X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Factivities%2FMainWebViewActivity.java;h=f4c51bb6acabaf071e363f34658b6058866cc152;hp=c0f2b824ffd31f99de096b907f9cc3ea75941e12;hb=7f5c8f01744ffeb10e1c6450e571c0c5ea7d0ffc;hpb=ff636c77836983a078f33e60616204518dab61d1 diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java index c0f2b824..f4c51bb6 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java +++ b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java @@ -24,6 +24,7 @@ package com.stoutner.privacybrowser.activities; import android.Manifest; import android.annotation.SuppressLint; import android.app.Activity; +import android.app.Dialog; import android.app.DownloadManager; import android.app.SearchManager; import android.content.ActivityNotFoundException; @@ -49,6 +50,7 @@ import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.Handler; +import android.os.Message; import android.preference.PreferenceManager; import android.print.PrintDocumentAdapter; import android.print.PrintManager; @@ -96,6 +98,7 @@ import androidx.appcompat.app.ActionBar; import androidx.appcompat.app.ActionBarDrawerToggle; import androidx.appcompat.app.AppCompatActivity; import androidx.appcompat.widget.Toolbar; +import androidx.coordinatorlayout.widget.CoordinatorLayout; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import androidx.core.view.GravityCompat; @@ -105,6 +108,7 @@ import androidx.fragment.app.FragmentManager; import androidx.swiperefreshlayout.widget.SwipeRefreshLayout; import androidx.viewpager.widget.ViewPager; +import com.google.android.material.appbar.AppBarLayout; import com.google.android.material.floatingactionbutton.FloatingActionButton; import com.google.android.material.navigation.NavigationView; import com.google.android.material.snackbar.Snackbar; @@ -114,6 +118,8 @@ import com.stoutner.privacybrowser.BuildConfig; import com.stoutner.privacybrowser.R; import com.stoutner.privacybrowser.adapters.WebViewPagerAdapter; import com.stoutner.privacybrowser.asynctasks.GetHostIpAddresses; +import com.stoutner.privacybrowser.asynctasks.PopulateBlocklists; +import com.stoutner.privacybrowser.asynctasks.SaveWebpageImage; import com.stoutner.privacybrowser.dialogs.AdConsentDialog; import com.stoutner.privacybrowser.dialogs.CreateBookmarkDialog; import com.stoutner.privacybrowser.dialogs.CreateBookmarkFolderDialog; @@ -125,15 +131,18 @@ import com.stoutner.privacybrowser.dialogs.EditBookmarkDialog; import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDialog; import com.stoutner.privacybrowser.dialogs.HttpAuthenticationDialog; import com.stoutner.privacybrowser.dialogs.PinnedMismatchDialog; +import com.stoutner.privacybrowser.dialogs.SaveWebpageImageDialog; import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog; +import com.stoutner.privacybrowser.dialogs.StoragePermissionDialog; import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog; import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog; import com.stoutner.privacybrowser.fragments.WebViewTabFragment; import com.stoutner.privacybrowser.helpers.AdHelper; -import com.stoutner.privacybrowser.helpers.BlockListHelper; +import com.stoutner.privacybrowser.helpers.BlocklistHelper; import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper; import com.stoutner.privacybrowser.helpers.CheckPinnedMismatchHelper; import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper; +import com.stoutner.privacybrowser.helpers.FileNameHelper; import com.stoutner.privacybrowser.helpers.OrbotProxyHelper; import com.stoutner.privacybrowser.views.NestedScrollWebView; @@ -154,47 +163,25 @@ import java.util.List; import java.util.Map; import java.util.Set; -// TODO. The swipe refresh indicator needs to be enabled/disabled when switching tabs. - // AppCompatActivity from android.support.v7.app.AppCompatActivity must be used to have access to the SupportActionBar until the minimum API is >= 21. public class MainWebViewActivity extends AppCompatActivity implements CreateBookmarkDialog.CreateBookmarkListener, CreateBookmarkFolderDialog.CreateBookmarkFolderListener, DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, DownloadLocationPermissionDialog.DownloadLocationPermissionDialogListener, EditBookmarkDialog.EditBookmarkListener, - EditBookmarkFolderDialog.EditBookmarkFolderListener, HttpAuthenticationDialog.HttpAuthenticationListener, NavigationView.OnNavigationItemSelectedListener, WebViewTabFragment.NewTabListener, - PinnedMismatchDialog.PinnedMismatchListener, SslCertificateErrorDialog.SslCertificateErrorListener, UrlHistoryDialog.UrlHistoryListener { - - // `darkTheme` is public static so it can be accessed from everywhere. - public static boolean darkTheme; - - // `allowScreenshots` is public static so it can be accessed from everywhere. It is also used in `onCreate()`. - public static boolean allowScreenshots; - - // TODO Remove. - // `formattedUrlString` is public static so it can be accessed from `AddDomainDialog`, `BookmarksActivity`, `DomainSettingsFragment`, and `PinnedMismatchDialog`. - // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onCreateHomeScreenShortcutCreate()`, `loadUrlFromTextBox()`, and `applyProxyThroughOrbot()`. - public static String formattedUrlString; + EditBookmarkFolderDialog.EditBookmarkFolderListener, NavigationView.OnNavigationItemSelectedListener, PinnedMismatchDialog.PinnedMismatchListener, PopulateBlocklists.PopulateBlocklistsListener, SaveWebpageImageDialog.SaveWebpageImageListener, + StoragePermissionDialog.StoragePermissionDialogListener, UrlHistoryDialog.NavigateHistoryListener, WebViewTabFragment.NewTabListener { // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`, `onResume()`, and `applyProxyThroughOrbot()`. public static String orbotStatus; - // The WebView pager adapter is accessed from `PinnedMismatchDialog`. It is also used in `onCreate()`, `onResume()`, and `addTab()`. + // The WebView pager adapter is accessed from `HttpAuthenticationDialog`, `PinnedMismatchDialog`, and `SslCertificateErrorDialog`. It is also used in `onCreate()`, `onResume()`, and `addTab()`. public static WebViewPagerAdapter webViewPagerAdapter; - // `reloadOnRestart` is public static so it can be accessed from `SettingsFragment`. It is also used in `onRestart()` - public static boolean reloadOnRestart; - - // `reloadUrlOnRestart` is public static so it can be accessed from `SettingsFragment` and `BookmarksActivity`. It is also used in `onRestart()`. + // The load URL on restart variables are public static so they can be accessed from `BookmarksActivity`. They are used in `onRestart()`. public static boolean loadUrlOnRestart; + public static String urlToLoadOnRestart; // `restartFromBookmarksActivity` is public static so it can be accessed from `BookmarksActivity`. It is also used in `onRestart()`. public static boolean restartFromBookmarksActivity; - // The blocklist versions are public static so they can be accessed from `AboutTabFragment`. They are also used in `onCreate()`. - public static String easyListVersion; - public static String easyPrivacyVersion; - public static String fanboysAnnoyanceVersion; - public static String fanboysSocialVersion; - public static String ultraPrivacyVersion; - // `currentBookmarksFolder` is public static so it can be accessed from `BookmarksActivity`. It is also used in `onCreate()`, `onBackPressed()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, // `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and `loadBookmarksFolder()`. public static String currentBookmarksFolder; @@ -207,11 +194,11 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook public final static int DOMAINS_WEBVIEW_DEFAULT_USER_AGENT = 2; public final static int DOMAINS_CUSTOM_USER_AGENT = 13; + // Start activity for result request codes. + private final int FILE_UPLOAD_REQUEST_CODE = 0; + public final static int BROWSE_SAVE_WEBPAGE_IMAGE_REQUEST_CODE = 1; - // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, `onSslMismatchBack()`, and `applyDomainSettings()`. - private boolean navigatingHistory; // TODO. - // The current WebView is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, // `findNextOnPage()`, `closeFindOnPage()`, `loadUrlFromTextBox()`, `onSslMismatchBack()`, `applyProxyThroughOrbot()`, and `applyDomainSettings()`. private NestedScrollWebView currentWebView; @@ -219,66 +206,41 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`. private final Map customHeaders = new HashMap<>(); - // `firstPartyCookiesEnabled` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applyDomainSettings()`. - private boolean firstPartyCookiesEnabled; - - // `saveFormDataEnabled` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyDomainSettings()`. It can be removed once the minimum API >= 26. - private boolean saveFormDataEnabled; + // The search URL is set in `applyProxyThroughOrbot()` and used in `onCreate()`, `onNewIntent()`, `loadURLFromTextBox()`, and `initializeWebView()`. + private String searchURL; - // TODO Move to NestedScrollWebView. - // `nightMode` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyDomainSettings()`. - private boolean nightMode; - - // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applyProxyThroughOrbot()`. - private String homepage; // TODO ? - - // `searchURL` is used in `loadURLFromTextBox()` and `applyProxyThroughOrbot()`. - private String searchURL; // TODO ? - - // The options menu is set in `onCreateOptionsMenu()` and used in `onOptionsItemSelected()` and `updatePrivacyIcons()`. + // The options menu is set in `onCreateOptionsMenu()` and used in `onOptionsItemSelected()`, `updatePrivacyIcons()`, and `initializeWebView()`. private Menu optionsMenu; - // The refresh menu item is set in `onCreateOptionsMenu()` and accessed from `initializeWebView()`. - // It must be this way because `initializeWebView()` runs before the menu is created but doesn't actually modify the menu until later. - private MenuItem refreshMenuItem; // TODO. Create it from `optionsMenu`. - - // TODO. This could probably be removed. - // The blocklist helper is used in `onCreate()` and `WebViewPagerAdapter`. - private BlockListHelper blockListHelper; - - // The blocklists are populated in `onCreate()` and accessed from `WebViewPagerAdapter`. + // The blocklists are populated in `finishedPopulatingBlocklists()` and accessed from `initializeWebView()`. private ArrayList> easyList; private ArrayList> easyPrivacy; private ArrayList> fanboysAnnoyanceList; private ArrayList> fanboysSocialList; + private ArrayList> ultraList; private ArrayList> ultraPrivacy; - // The blocklist menu items are used in `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, and `initializeWebView()`. // TODO. - private MenuItem blocklistsMenuItem; - private MenuItem easyListMenuItem; - private MenuItem easyPrivacyMenuItem; - private MenuItem fanboysAnnoyanceListMenuItem; - private MenuItem fanboysSocialBlockingListMenuItem; - private MenuItem ultraPrivacyMenuItem; - private MenuItem blockAllThirdPartyRequestsMenuItem; - // `webViewDefaultUserAgent` is used in `onCreate()` and `onPrepareOptionsMenu()`. private String webViewDefaultUserAgent; // `proxyThroughOrbot` is used in `onRestart()`, `onOptionsItemSelected()`, `applyAppSettings()`, and `applyProxyThroughOrbot()`. private boolean proxyThroughOrbot; - // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`. - private boolean incognitoModeEnabled; // TODO. + // The incognito mode is set in `applyAppSettings()` and used in `initializeWebView()`. + private boolean incognitoModeEnabled; - // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`. - private boolean fullScreenBrowsingModeEnabled; // TODO. + // The full screen browsing mode tracker is set it `applyAppSettings()` and used in `initializeWebView()`. + private boolean fullScreenBrowsingModeEnabled; // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`. private boolean inFullScreenBrowsingMode; - // Hide app bar is used in `onCreate()` and `applyAppSettings()`. - private boolean hideAppBar; // TODO. + // The app bar trackers are set in `applyAppSettings()` and used in `initializeWebView()`. + private boolean hideAppBar; + private boolean scrollAppBar; + + // The loading new intent tracker is set in `onNewIntent()` and used in `setCurrentWebView()`. + private boolean loadingNewIntent; // `reapplyDomainSettingsOnRestart` is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, and `onAddDomain()`, . private boolean reapplyDomainSettingsOnRestart; @@ -289,32 +251,14 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // `displayingFullScreenVideo` is used in `onCreate()` and `onResume()`. private boolean displayingFullScreenVideo; - // `downloadWithExternalApp` is used in `onCreate()`, `onCreateContextMenu()`, and `applyDomainSettings()`. - private boolean downloadWithExternalApp; // TODO. - // `orbotStatusBroadcastReceiver` is used in `onCreate()` and `onDestroy()`. private BroadcastReceiver orbotStatusBroadcastReceiver; // `waitingForOrbot` is used in `onCreate()`, `onResume()`, and `applyProxyThroughOrbot()`. private boolean waitingForOrbot; - // `domainSettingsJavaScriptEnabled` is used in `onOptionsItemSelected()` and `applyDomainSettings()`. - private Boolean domainSettingsJavaScriptEnabled; // TODO. - - // `waitingForOrbotHtmlString` is used in `onCreate()` and `applyProxyThroughOrbot()`. - private String waitingForOrbotHtmlString; // TODO. - - // `privateDataDirectoryString` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`. - private String privateDataDirectoryString; // TODO. - - // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. - private EditText findOnPageEditText; // TODO. - - // `displayAdditionalAppBarIcons` is used in `onCreate()` and `onCreateOptionsMenu()`. - private boolean displayAdditionalAppBarIcons; // TODO. - // The action bar drawer toggle is initialized in `onCreate()` and used in `onResume()`. - private ActionBarDrawerToggle actionBarDrawerToggle; // TODO. + private ActionBarDrawerToggle actionBarDrawerToggle; // The color spans are used in `onCreate()` and `highlightUrlText()`. private ForegroundColorSpan redColorSpan; @@ -326,24 +270,9 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook private int drawerHeaderPaddingTop; private int drawerHeaderPaddingBottom; - // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`. - private SslErrorHandler sslErrorHandler; // TODO. - - // `httpAuthHandler` is used in `onCreate()`, `onHttpAuthenticationCancel()`, and `onHttpAuthenticationProceed()`. - private static HttpAuthHandler httpAuthHandler; // TODO. - - // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`. - private InputMethodManager inputMethodManager; // TODO. - // `bookmarksDatabaseHelper` is used in `onCreate()`, `onDestroy`, `onOptionsItemSelected()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, // and `loadBookmarksFolder()`. - private BookmarksDatabaseHelper bookmarksDatabaseHelper; // TODO. - - // `bookmarksListView` is used in `onCreate()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, and `loadBookmarksFolder()`. - private ListView bookmarksListView; // TODO. - - // `bookmarksTitleTextView` is used in `onCreate()` and `loadBookmarksFolder()`. - private TextView bookmarksTitleTextView; // TODO. + private BookmarksDatabaseHelper bookmarksDatabaseHelper; // `bookmarksCursor` is used in `onDestroy()`, `onOptionsItemSelected()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and `loadBookmarksFolder()`. private Cursor bookmarksCursor; @@ -357,6 +286,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // `fileChooserCallback` is used in `onCreate()` and `onActivityResult()`. private ValueCallback fileChooserCallback; + // The default progress view offsets are set in `onCreate()` and used in `initializeWebView()`. + private int defaultProgressViewStartOffset; + private int defaultProgressViewEndOffset; + + // The swipe refresh layout top padding is used when exiting full screen browsing mode. It is used in an inner class in `initializeWebView()`. + private int swipeRefreshLayoutPaddingTop; + + // The URL sanitizers are set in `applyAppSettings()` and used in `sanitizeUrl()`. + private boolean sanitizeGoogleAnalytics; + private boolean sanitizeFacebookClickIds; + private boolean sanitizeTwitterAmpRedirects; + // The download strings are used in `onCreate()`, `onRequestPermissionResult()` and `initializeWebView()`. private String downloadUrl; private String downloadContentDisposition; @@ -365,24 +306,32 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // `downloadImageUrl` is used in `onCreateContextMenu()` and `onRequestPermissionResult()`. private String downloadImageUrl; - // The user agent variables are used in `onCreate()` and `applyDomainSettings()`. - private ArrayAdapter userAgentNamesArray; - private String[] userAgentDataArray; + // The save website image file path string is used in `onSaveWebpageImage()` and `onRequestPermissionResult()` + private String saveWebsiteImageFilePath; - // The request codes are used in `onCreate()`, `onCreateContextMenu()`, `onCloseDownloadLocationPermissionDialog()`, `onRequestPermissionResult()`, and `initializeWebView()`. + // The permission result request codes are used in `onCreateContextMenu()`, `onCloseDownloadLocationPermissionDialog()`, `onRequestPermissionResult()`, `onSaveWebpageImage()`, + // `onCloseStoragePermissionDialog()`, and `initializeWebView()`. private final int DOWNLOAD_FILE_REQUEST_CODE = 1; private final int DOWNLOAD_IMAGE_REQUEST_CODE = 2; + private final int SAVE_WEBPAGE_IMAGE_REQUEST_CODE = 3; @Override // Remove the warning about needing to override `performClick()` when using an `OnTouchListener` with `WebView`. @SuppressLint("ClickableViewAccessibility") protected void onCreate(Bundle savedInstanceState) { + if (Build.VERSION.SDK_INT >= 21) { + WebView.enableSlowWholeDocumentDraw(); + } + + // Initialize the default preference values the first time the program is run. `false` keeps this command from resetting any current preferences back to default. + PreferenceManager.setDefaultValues(this, R.xml.preferences, false); + // Get a handle for the shared preferences. SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); // Get the theme and screenshot preferences. - darkTheme = sharedPreferences.getBoolean("dark_theme", false); - allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false); + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); + boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false); // Disable screenshots if not allowed. if (!allowScreenshots) { @@ -402,12 +351,15 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Set the content view. setContentView(R.layout.main_framelayout); - // Get handles for the input method manager and toolbar. - inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); + // Get handles for the views that need to be modified. + DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); Toolbar toolbar = findViewById(R.id.toolbar); + ViewPager webViewPager = findViewById(R.id.webviewpager); // Set the action bar. `SupportActionBar` must be used until the minimum API is >= 21. setSupportActionBar(toolbar); + + // Get a handle for the action bar. ActionBar actionBar = getSupportActionBar(); // This is needed to get rid of the Android Studio warning that the action bar might be null. @@ -417,3005 +369,3432 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook actionBar.setCustomView(R.layout.url_app_bar); actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM); - // Initialize the foreground color spans for highlighting the URLs. We have to use the deprecated `getColor()` until API >= 23. - redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700)); - initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500)); - finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500)); + // Initially disable the sliding drawers. They will be enabled once the blocklists are loaded. + drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED); - // Get handles for the URL views. - EditText urlEditText = findViewById(R.id.url_edittext); + // Create the hamburger icon at the start of the AppBar. + actionBarDrawerToggle = new ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.open_navigation_drawer, R.string.close_navigation_drawer); - // Remove the formatting from `urlTextBar` when the user is editing the text. - urlEditText.setOnFocusChangeListener((View v, boolean hasFocus) -> { - if (hasFocus) { // The user is editing the URL text box. - // Remove the highlighting. - urlEditText.getText().removeSpan(redColorSpan); - urlEditText.getText().removeSpan(initialGrayColorSpan); - urlEditText.getText().removeSpan(finalGrayColorSpan); - } else { // The user has stopped editing the URL text box. - // Move to the beginning of the string. - urlEditText.setSelection(0); + // Initialize the web view pager adapter. + webViewPagerAdapter = new WebViewPagerAdapter(getSupportFragmentManager()); - // Reapply the highlighting. - highlightUrlText(); - } - }); + // Set the pager adapter on the web view pager. + webViewPager.setAdapter(webViewPagerAdapter); - // Set the go button on the keyboard to load the URL in `urlTextBox`. - urlEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> { - // If the event is a key-down event on the `enter` button, load the URL. - if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { - // Load the URL into the mainWebView and consume the event. - loadUrlFromTextBox(); + // Store up to 100 tabs in memory. + webViewPager.setOffscreenPageLimit(100); - // If the enter key was pressed, consume the event. - return true; - } else { - // If any other key was pressed, do not consume the event. - return false; - } - }); + // Populate the blocklists. + new PopulateBlocklists(this, this).execute(); + } - // Set `waitingForOrbotHTMLString`. - waitingForOrbotHtmlString = "

" + getString(R.string.waiting_for_orbot) + "

"; + @Override + protected void onNewIntent(Intent intent) { + // Run the default commands. + super.onNewIntent(intent); - // Initialize the Orbot status and the waiting for Orbot trackers. - orbotStatus = "unknown"; - waitingForOrbot = false; + // Replace the intent that started the app with this one. + setIntent(intent); - // Create an Orbot status `BroadcastReceiver`. - orbotStatusBroadcastReceiver = new BroadcastReceiver() { - @Override - public void onReceive(Context context, Intent intent) { - // Store the content of the status message in `orbotStatus`. - orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS"); + // Process the intent here if Privacy Browser is fully initialized. If the process has been killed by the system while sitting in the background, this will be handled in `initializeWebView()`. + if (ultraPrivacy != null) { + // Get the information from the intent. + String intentAction = intent.getAction(); + Uri intentUriData = intent.getData(); - // If Privacy Browser is waiting on Orbot, load the website now that Orbot is connected. - if (orbotStatus.equals("ON") && waitingForOrbot) { - // Reset `waitingForOrbot`. - waitingForOrbot = false; + // Determine if this is a web search. + boolean isWebSearch = ((intentAction != null) && intentAction.equals(Intent.ACTION_WEB_SEARCH)); - // Load `formattedUrlString - loadUrl(formattedUrlString); - } - } - }; + // Only process the URI if it contains data or it is a web search. If the user pressed the desktop icon after the app was already running the URI will be null. + if (intentUriData != null || isWebSearch) { + // Get the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - // Register `orbotStatusBroadcastReceiver` on `this` context. - this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS")); + // Create a URL string. + String url; - // Instantiate the block list helper. - blockListHelper = new BlockListHelper(); + // If the intent action is a web search, perform the search. + if (isWebSearch) { + // Create an encoded URL string. + String encodedUrlString; - // Parse the block lists. - easyList = blockListHelper.parseBlockList(getAssets(), "blocklists/easylist.txt"); - easyPrivacy = blockListHelper.parseBlockList(getAssets(), "blocklists/easyprivacy.txt"); - fanboysAnnoyanceList = blockListHelper.parseBlockList(getAssets(), "blocklists/fanboy-annoyance.txt"); - fanboysSocialList = blockListHelper.parseBlockList(getAssets(), "blocklists/fanboy-social.txt"); - ultraPrivacy = blockListHelper.parseBlockList(getAssets(), "blocklists/ultraprivacy.txt"); + // Sanitize the search input and convert it to a search. + try { + encodedUrlString = URLEncoder.encode(intent.getStringExtra(SearchManager.QUERY), "UTF-8"); + } catch (UnsupportedEncodingException exception) { + encodedUrlString = ""; + } - // Store the list versions. - easyListVersion = easyList.get(0).get(0)[0]; - easyPrivacyVersion = easyPrivacy.get(0).get(0)[0]; - fanboysAnnoyanceVersion = fanboysAnnoyanceList.get(0).get(0)[0]; - fanboysSocialVersion = fanboysSocialList.get(0).get(0)[0]; - ultraPrivacyVersion = ultraPrivacy.get(0).get(0)[0]; + // Add the base search URL. + url = searchURL + encodedUrlString; + } else { // The intent should contain a URL. + // Set the intent data as the URL. + url = intentUriData.toString(); + } - // Get handles for views that need to be modified. - DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); - NavigationView navigationView = findViewById(R.id.navigationview); - TabLayout tabLayout = findViewById(R.id.tablayout); - SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); - ViewPager webViewPager = findViewById(R.id.webviewpager); - bookmarksListView = findViewById(R.id.bookmarks_drawer_listview); - bookmarksTitleTextView = findViewById(R.id.bookmarks_title_textview); - FloatingActionButton launchBookmarksActivityFab = findViewById(R.id.launch_bookmarks_activity_fab); - FloatingActionButton createBookmarkFolderFab = findViewById(R.id.create_bookmark_folder_fab); - FloatingActionButton createBookmarkFab = findViewById(R.id.create_bookmark_fab); - findOnPageEditText = findViewById(R.id.find_on_page_edittext); + // Add a new tab if specified in the preferences. + if (sharedPreferences.getBoolean("open_intents_in_new_tab", true)) { // Load the URL in a new tab. + // Set the loading new intent flag. + loadingNewIntent = true; - // Listen for touches on the navigation menu. - navigationView.setNavigationItemSelectedListener(this); + // Add a new tab. + addNewTab(url, true); + } else { // Load the URL in the current tab. + // Make it so. + loadUrl(url); + } - // Get handles for the navigation menu and the back and forward menu items. The menu is zero-based. - Menu navigationMenu = navigationView.getMenu(); - MenuItem navigationCloseTabMenuItem = navigationMenu.getItem(0); - MenuItem navigationBackMenuItem = navigationMenu.getItem(3); - MenuItem navigationForwardMenuItem = navigationMenu.getItem(4); - MenuItem navigationHistoryMenuItem = navigationMenu.getItem(5); - MenuItem navigationRequestsMenuItem = navigationMenu.getItem(6); + // Get a handle for the drawer layout. + DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); - // Initialize the web view pager adapter. - webViewPagerAdapter = new WebViewPagerAdapter(getSupportFragmentManager()); + // Close the navigation drawer if it is open. + if (drawerLayout.isDrawerVisible(GravityCompat.START)) { + drawerLayout.closeDrawer(GravityCompat.START); + } - // Set the pager adapter on the web view pager. - webViewPager.setAdapter(webViewPagerAdapter); + // Close the bookmarks drawer if it is open. + if (drawerLayout.isDrawerVisible(GravityCompat.END)) { + drawerLayout.closeDrawer(GravityCompat.END); + } + } + } + } - // Store up to 100 tabs in memory. - webViewPager.setOffscreenPageLimit(100); + @Override + public void onRestart() { + // Run the default commands. + super.onRestart(); - // Update the web view pager every time a tab is modified. - webViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() { - @Override - public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { - // Do nothing. - } + // Make sure Orbot is running if Privacy Browser is proxying through Orbot. + if (proxyThroughOrbot) { + // Request Orbot to start. If Orbot is already running no hard will be caused by this request. + Intent orbotIntent = new Intent("org.torproject.android.intent.action.START"); - @Override - public void onPageSelected(int position) { - // Set the current WebView. - setCurrentWebView(position); + // Send the intent to the Orbot package. + orbotIntent.setPackage("org.torproject.android"); - // Select the corresponding tab if it does not match the currently selected page. This will happen if the page was scrolled via swiping in the view pager. - if (tabLayout.getSelectedTabPosition() != position) { - // Get a handle for the corresponding tab. - TabLayout.Tab correspondingTab = tabLayout.getTabAt(position); + // Make it so. + sendBroadcast(orbotIntent); + } - // Assert that the corresponding tab is not null. - assert correspondingTab != null; + // Apply the app settings if returning from the Settings activity. + if (reapplyAppSettingsOnRestart) { + // Reset the reapply app settings on restart tracker. + reapplyAppSettingsOnRestart = false; - // Select the corresponding tab. - correspondingTab.select(); - } - } + // Apply the app settings. + applyAppSettings(); + } - @Override - public void onPageScrollStateChanged(int state) { - // Do nothing. - } - }); + // Apply the domain settings if returning from the settings or domains activity. + if (reapplyDomainSettingsOnRestart) { + // Reset the reapply domain settings on restart tracker. + reapplyDomainSettingsOnRestart = false; - // Display the View SSL Certificate dialog when the currently selected tab is reselected. - tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() { - @Override - public void onTabSelected(TabLayout.Tab tab) { - // Select the same page in the view pager. - webViewPager.setCurrentItem(tab.getPosition()); - } + // Reapply the domain settings for each tab. + for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { + // Get the WebView tab fragment. + WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); - @Override - public void onTabUnselected(TabLayout.Tab tab) { - // Do nothing. - } + // Get the fragment view. + View fragmentView = webViewTabFragment.getView(); - @Override - public void onTabReselected(TabLayout.Tab tab) { - // Instantiate the View SSL Certificate dialog. - DialogFragment viewSslCertificateDialogFragment = ViewSslCertificateDialog.displayDialog(currentWebView.getWebViewFragmentId(), currentWebView.getFavoriteOrDefaultIcon()); + // Only reload the WebViews if they exist. + if (fragmentView != null) { + // Get the nested scroll WebView from the tab fragment. + NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); - // Display the View SSL Certificate dialog. - viewSslCertificateDialogFragment.show(getSupportFragmentManager(), getString(R.string.view_ssl_certificate)); + // Reset the current domain name so the domain settings will be reapplied. + nestedScrollWebView.resetCurrentDomainName(); + + // Reapply the domain settings if the URL is not null, which can happen if an empty tab is active when returning from settings. + if (nestedScrollWebView.getUrl() != null) { + applyDomainSettings(nestedScrollWebView, nestedScrollWebView.getUrl(), false, true); + } + } } - }); + } - // Add the first tab. - addTab(null); + // Load the URL on restart (used when loading a bookmark). + if (loadUrlOnRestart) { + // Load the specified URL. + loadUrl(urlToLoadOnRestart); - // Set the bookmarks drawer resources according to the theme. This can't be done in the layout due to compatibility issues with the `DrawerLayout` support widget. - // The deprecated `getResources().getDrawable()` must be used until the minimum API >= 21 and and `getResources().getColor()` must be used until the minimum API >= 23. - if (darkTheme) { - launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_dark)); - createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_dark)); - createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_dark)); - bookmarksListView.setBackgroundColor(getResources().getColor(R.color.gray_850)); - } else { - launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_light)); - createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_light)); - createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_light)); - bookmarksListView.setBackgroundColor(getResources().getColor(R.color.white)); + // Reset the load on restart tracker. + loadUrlOnRestart = false; } - // Set the launch bookmarks activity FAB to launch the bookmarks activity. - launchBookmarksActivityFab.setOnClickListener(v -> { - // Store the current WebView url and title in the bookmarks activity. // TODO. - BookmarksActivity.currentWebViewUrl = currentWebView.getUrl(); - BookmarksActivity.currentWebViewTitle = currentWebView.getTitle(); + // Update the bookmarks drawer if returning from the Bookmarks activity. + if (restartFromBookmarksActivity) { + // Get a handle for the drawer layout. + DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); - // Get a copy of the favorite icon bitmap. - Bitmap favoriteIconBitmap = currentWebView.getFavoriteOrDefaultIcon(); + // Close the bookmarks drawer. + drawerLayout.closeDrawer(GravityCompat.END); - // Create a favorite icon byte array output stream. - ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream(); + // Reload the bookmarks drawer. + loadBookmarksFolder(); - // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). - favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream); + // Reset `restartFromBookmarksActivity`. + restartFromBookmarksActivity = false; + } - // Convert the favorite icon byte array stream to a byte array. - byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray(); + // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step. This can be important if the screen was rotated. + updatePrivacyIcons(true); + } - // Create an intent to launch the bookmarks activity. - Intent bookmarksIntent = new Intent(getApplicationContext(), BookmarksActivity.class); + // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`. + @Override + public void onResume() { + // Run the default commands. + super.onResume(); - // Add the extra information to the intent. - bookmarksIntent.putExtra("current_folder", currentBookmarksFolder); - bookmarksIntent.putExtra("favorite_icon_byte_array", favoriteIconByteArray); + for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { + // Get the WebView tab fragment. + WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); - // Make it so. - startActivity(bookmarksIntent); - }); + // Get the fragment view. + View fragmentView = webViewTabFragment.getView(); - // Set the create new bookmark folder FAB to display an alert dialog. - createBookmarkFolderFab.setOnClickListener(v -> { - // Create a create bookmark folder dialog. - DialogFragment createBookmarkFolderDialog = CreateBookmarkFolderDialog.createBookmarkFolder(currentWebView.getFavoriteOrDefaultIcon()); + // Only resume the WebViews if they exist (they won't when the app is first created). + if (fragmentView != null) { + // Get the nested scroll WebView from the tab fragment. + NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); - // Show the create bookmark folder dialog. - createBookmarkFolderDialog.show(getSupportFragmentManager(), getString(R.string.create_folder)); - }); + // Resume the nested scroll WebView JavaScript timers. + nestedScrollWebView.resumeTimers(); - // Set the create new bookmark FAB to display an alert dialog. - createBookmarkFab.setOnClickListener(view -> { - // Instantiate the create bookmark dialog. - DialogFragment createBookmarkDialog = CreateBookmarkDialog.createBookmark(currentWebView.getUrl(), currentWebView.getTitle(), currentWebView.getFavoriteOrDefaultIcon()); + // Resume the nested scroll WebView. + nestedScrollWebView.onResume(); + } + } - // Display the create bookmark dialog. - createBookmarkDialog.show(getSupportFragmentManager(), getString(R.string.create_bookmark)); - }); + // Display a message to the user if waiting for Orbot. + if (waitingForOrbot && !orbotStatus.equals("ON")) { + // Disable the wide view port so that the waiting for Orbot text is displayed correctly. + currentWebView.getSettings().setUseWideViewPort(false); - // Search for the string on the page whenever a character changes in the `findOnPageEditText`. - findOnPageEditText.addTextChangedListener(new TextWatcher() { - @Override - public void beforeTextChanged(CharSequence s, int start, int count, int after) { - // Do nothing. + // Load a waiting page. `null` specifies no encoding, which defaults to ASCII. + currentWebView.loadData("

" + getString(R.string.waiting_for_orbot) + "

", "text/html", null); + } + + if (displayingFullScreenVideo || inFullScreenBrowsingMode) { + // Get a handle for the root frame layouts. + FrameLayout rootFrameLayout = findViewById(R.id.root_framelayout); + + // Remove the translucent status flag. This is necessary so the root frame layout can fill the entire screen. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + /* Hide the system bars. + * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar. + * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. + * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown. + */ + rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | + View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + } else if (BuildConfig.FLAVOR.contentEquals("free")) { // Resume the adView for the free flavor. + // Resume the ad. + AdHelper.resumeAd(findViewById(R.id.adview)); + } + } + + @Override + public void onPause() { + // Run the default commands. + super.onPause(); + + for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { + // Get the WebView tab fragment. + WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); + + // Get the fragment view. + View fragmentView = webViewTabFragment.getView(); + + // Only pause the WebViews if they exist (they won't when the app is first created). + if (fragmentView != null) { + // Get the nested scroll WebView from the tab fragment. + NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + + // Pause the nested scroll WebView. + nestedScrollWebView.onPause(); + + // Pause the nested scroll WebView JavaScript timers. + nestedScrollWebView.pauseTimers(); + } + } + + // Pause the ad or it will continue to consume resources in the background on the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + // Pause the ad. + AdHelper.pauseAd(findViewById(R.id.adview)); + } + } + + @Override + public void onDestroy() { + // Unregister the Orbot status broadcast receiver. + this.unregisterReceiver(orbotStatusBroadcastReceiver); + + // Close the bookmarks cursor and database. + bookmarksCursor.close(); + bookmarksDatabaseHelper.close(); + + // Run the default commands. + super.onDestroy(); + } + + @Override + public boolean onCreateOptionsMenu(Menu menu) { + // Inflate the menu. This adds items to the action bar if it is present. + getMenuInflater().inflate(R.menu.webview_options_menu, menu); + + // Store a handle for the options menu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons()`. + optionsMenu = menu; + + // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step. + updatePrivacyIcons(false); + + // Get handles for the menu items. + MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies); + MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies); + MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage); + MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data); // Form data can be removed once the minimum API >= 26. + MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data); // Form data can be removed once the minimum API >= 26. + MenuItem refreshMenuItem = menu.findItem(R.id.refresh); + MenuItem adConsentMenuItem = menu.findItem(R.id.ad_consent); + + // Only display third-party cookies if API >= 21 + toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21); + + // Only display the form data menu items if the API < 26. + toggleSaveFormDataMenuItem.setVisible(Build.VERSION.SDK_INT < 26); + clearFormDataMenuItem.setVisible(Build.VERSION.SDK_INT < 26); + + // Disable the clear form data menu item if the API >= 26 so that the status of the main Clear Data is calculated correctly. + clearFormDataMenuItem.setEnabled(Build.VERSION.SDK_INT < 26); + + // Only show Ad Consent if this is the free flavor. + adConsentMenuItem.setVisible(BuildConfig.FLAVOR.contentEquals("free")); + + // Get the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + + // Get the dark theme and app bar preferences.. + boolean displayAdditionalAppBarIcons = sharedPreferences.getBoolean("display_additional_app_bar_icons", false); + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); + + // Set the status of the additional app bar icons. Setting the refresh menu item to `SHOW_AS_ACTION_ALWAYS` makes it appear even on small devices like phones. + if (displayAdditionalAppBarIcons) { + toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); + toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); + refreshMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); + } else { //Do not display the additional icons. + toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); + toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); + refreshMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); + } + + // Replace Refresh with Stop if a URL is already loading. + if (currentWebView != null && currentWebView.getProgress() != 100) { + // Set the title. + refreshMenuItem.setTitle(R.string.stop); + + // If the icon is displayed in the AppBar, set it according to the theme. + if (displayAdditionalAppBarIcons) { + if (darkTheme) { + refreshMenuItem.setIcon(R.drawable.close_dark); + } else { + refreshMenuItem.setIcon(R.drawable.close_light); + } + } + } + + // Done. + return true; + } + + @Override + public boolean onPrepareOptionsMenu(Menu menu) { + // Get handles for the menu items. + MenuItem addOrEditDomain = menu.findItem(R.id.add_or_edit_domain); + MenuItem firstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies); + MenuItem thirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies); + MenuItem domStorageMenuItem = menu.findItem(R.id.toggle_dom_storage); + MenuItem saveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data); // Form data can be removed once the minimum API >= 26. + MenuItem clearDataMenuItem = menu.findItem(R.id.clear_data); + MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies); + MenuItem clearDOMStorageMenuItem = menu.findItem(R.id.clear_dom_storage); + MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data); // Form data can be removed once the minimum API >= 26. + MenuItem blocklistsMenuItem = menu.findItem(R.id.blocklists); + MenuItem easyListMenuItem = menu.findItem(R.id.easylist); + MenuItem easyPrivacyMenuItem = menu.findItem(R.id.easyprivacy); + MenuItem fanboysAnnoyanceListMenuItem = menu.findItem(R.id.fanboys_annoyance_list); + MenuItem fanboysSocialBlockingListMenuItem = menu.findItem(R.id.fanboys_social_blocking_list); + MenuItem ultraListMenuItem = menu.findItem(R.id.ultralist); + MenuItem ultraPrivacyMenuItem = menu.findItem(R.id.ultraprivacy); + MenuItem blockAllThirdPartyRequestsMenuItem = menu.findItem(R.id.block_all_third_party_requests); + MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size); + MenuItem swipeToRefreshMenuItem = menu.findItem(R.id.swipe_to_refresh); + MenuItem wideViewportMenuItem = menu.findItem(R.id.wide_viewport); + MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images); + MenuItem nightModeMenuItem = menu.findItem(R.id.night_mode); + MenuItem proxyThroughOrbotMenuItem = menu.findItem(R.id.proxy_through_orbot); + + // Get a handle for the cookie manager. + CookieManager cookieManager = CookieManager.getInstance(); + + // Initialize the current user agent string and the font size. + String currentUserAgent = getString(R.string.user_agent_privacy_browser); + int fontSize = 100; + + // Set items that require the current web view to be populated. It will be null when the program is first opened, as `onPrepareOptionsMenu()` is called before the first WebView is initialized. + if (currentWebView != null) { + // Set the add or edit domain text. + if (currentWebView.getDomainSettingsApplied()) { + addOrEditDomain.setTitle(R.string.edit_domain_settings); + } else { + addOrEditDomain.setTitle(R.string.add_domain_settings); + } + + // Get the current user agent from the WebView. + currentUserAgent = currentWebView.getSettings().getUserAgentString(); + + // Get the current font size from the + fontSize = currentWebView.getSettings().getTextZoom(); + + // Set the status of the menu item checkboxes. + domStorageMenuItem.setChecked(currentWebView.getSettings().getDomStorageEnabled()); + saveFormDataMenuItem.setChecked(currentWebView.getSettings().getSaveFormData()); // Form data can be removed once the minimum API >= 26. + easyListMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.EASYLIST)); + easyPrivacyMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.EASYPRIVACY)); + fanboysAnnoyanceListMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)); + fanboysSocialBlockingListMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST)); + ultraListMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRALIST)); + ultraPrivacyMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRAPRIVACY)); + blockAllThirdPartyRequestsMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)); + swipeToRefreshMenuItem.setChecked(currentWebView.getSwipeToRefresh()); + wideViewportMenuItem.setChecked(currentWebView.getSettings().getUseWideViewPort()); + displayImagesMenuItem.setChecked(currentWebView.getSettings().getLoadsImagesAutomatically()); + nightModeMenuItem.setChecked(currentWebView.getNightMode()); + + // Initialize the display names for the blocklists with the number of blocked requests. + blocklistsMenuItem.setTitle(getString(R.string.blocklists) + " - " + currentWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + easyListMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.EASYLIST) + " - " + getString(R.string.easylist)); + easyPrivacyMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.EASYPRIVACY) + " - " + getString(R.string.easyprivacy)); + fanboysAnnoyanceListMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST) + " - " + getString(R.string.fanboys_annoyance_list)); + fanboysSocialBlockingListMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST) + " - " + getString(R.string.fanboys_social_blocking_list)); + ultraListMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.ULTRALIST) + " - " + getString(R.string.ultralist)); + ultraPrivacyMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.ULTRAPRIVACY) + " - " + getString(R.string.ultraprivacy)); + blockAllThirdPartyRequestsMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.THIRD_PARTY_REQUESTS) + " - " + getString(R.string.block_all_third_party_requests)); + + // Only modify third-party cookies if the API >= 21. + if (Build.VERSION.SDK_INT >= 21) { + // Set the status of the third-party cookies checkbox. + thirdPartyCookiesMenuItem.setChecked(cookieManager.acceptThirdPartyCookies(currentWebView)); + + // Enable third-party cookies if first-party cookies are enabled. + thirdPartyCookiesMenuItem.setEnabled(cookieManager.acceptCookie()); } - @Override - public void onTextChanged(CharSequence s, int start, int before, int count) { - // Do nothing. - } + // Enable DOM Storage if JavaScript is enabled. + domStorageMenuItem.setEnabled(currentWebView.getSettings().getJavaScriptEnabled()); + } + + // Set the status of the menu item checkboxes. + firstPartyCookiesMenuItem.setChecked(cookieManager.acceptCookie()); + proxyThroughOrbotMenuItem.setChecked(proxyThroughOrbot); + + // Enable Clear Cookies if there are any. + clearCookiesMenuItem.setEnabled(cookieManager.hasCookies()); + + // Get the application's private data directory, which will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, which links to `/data/data/com.stoutner.privacybrowser.standard`. + String privateDataDirectoryString = getApplicationInfo().dataDir; + + // Get a count of the number of files in the Local Storage directory. + File localStorageDirectory = new File (privateDataDirectoryString + "/app_webview/Local Storage/"); + int localStorageDirectoryNumberOfFiles = 0; + if (localStorageDirectory.exists()) { + localStorageDirectoryNumberOfFiles = localStorageDirectory.list().length; + } + + // Get a count of the number of files in the IndexedDB directory. + File indexedDBDirectory = new File (privateDataDirectoryString + "/app_webview/IndexedDB"); + int indexedDBDirectoryNumberOfFiles = 0; + if (indexedDBDirectory.exists()) { + indexedDBDirectoryNumberOfFiles = indexedDBDirectory.list().length; + } + + // Enable Clear DOM Storage if there is any. + clearDOMStorageMenuItem.setEnabled(localStorageDirectoryNumberOfFiles > 0 || indexedDBDirectoryNumberOfFiles > 0); + + // Enable Clear Form Data is there is any. This can be removed once the minimum API >= 26. + if (Build.VERSION.SDK_INT < 26) { + // Get the WebView database. + WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this); + + // Enable the clear form data menu item if there is anything to clear. + clearFormDataMenuItem.setEnabled(webViewDatabase.hasFormData()); + } + + // Enable Clear Data if any of the submenu items are enabled. + clearDataMenuItem.setEnabled(clearCookiesMenuItem.isEnabled() || clearDOMStorageMenuItem.isEnabled() || clearFormDataMenuItem.isEnabled()); + + // Disable Fanboy's Social Blocking List menu item if Fanboy's Annoyance List is checked. + fanboysSocialBlockingListMenuItem.setEnabled(!fanboysAnnoyanceListMenuItem.isChecked()); + + // Select the current user agent menu item. A switch statement cannot be used because the user agents are not compile time constants. + if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[0])) { // Privacy Browser. + menu.findItem(R.id.user_agent_privacy_browser).setChecked(true); + } else if (currentUserAgent.equals(webViewDefaultUserAgent)) { // WebView Default. + menu.findItem(R.id.user_agent_webview_default).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[2])) { // Firefox on Android. + menu.findItem(R.id.user_agent_firefox_on_android).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[3])) { // Chrome on Android. + menu.findItem(R.id.user_agent_chrome_on_android).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[4])) { // Safari on iOS. + menu.findItem(R.id.user_agent_safari_on_ios).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[5])) { // Firefox on Linux. + menu.findItem(R.id.user_agent_firefox_on_linux).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[6])) { // Chromium on Linux. + menu.findItem(R.id.user_agent_chromium_on_linux).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[7])) { // Firefox on Windows. + menu.findItem(R.id.user_agent_firefox_on_windows).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[8])) { // Chrome on Windows. + menu.findItem(R.id.user_agent_chrome_on_windows).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[9])) { // Edge on Windows. + menu.findItem(R.id.user_agent_edge_on_windows).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[10])) { // Internet Explorer on Windows. + menu.findItem(R.id.user_agent_internet_explorer_on_windows).setChecked(true); + } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[11])) { // Safari on macOS. + menu.findItem(R.id.user_agent_safari_on_macos).setChecked(true); + } else { // Custom user agent. + menu.findItem(R.id.user_agent_custom).setChecked(true); + } + + // Instantiate the font size title and the selected font size menu item. + String fontSizeTitle; + MenuItem selectedFontSizeMenuItem; + + // Prepare the font size title and current size menu item. + //noinspection DuplicateBranchesInSwitch + switch (fontSize) { + case 25: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.twenty_five_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent); + break; + + case 50: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.fifty_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent); + break; + + case 75: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.seventy_five_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent); + break; + + case 100: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent); + break; + + case 125: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_twenty_five_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent); + break; + + case 150: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_fifty_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent); + break; + + case 175: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_seventy_five_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent); + break; + + case 200: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.two_hundred_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent); + break; + + default: + fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_percent); + selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent); + break; + } + + // Set the font size title and select the current size menu item. + fontSizeMenuItem.setTitle(fontSizeTitle); + selectedFontSizeMenuItem.setChecked(true); + + // Run all the other default commands. + super.onPrepareOptionsMenu(menu); + + // Display the menu. + return true; + } + + @Override + // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. + @SuppressLint("SetJavaScriptEnabled") + public boolean onOptionsItemSelected(MenuItem menuItem) { + // Get the selected menu item ID. + int menuItemId = menuItem.getItemId(); + + // Get a handle for the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + + // Get a handle for the cookie manager. + CookieManager cookieManager = CookieManager.getInstance(); + + // Run the commands that correlate to the selected menu item. + switch (menuItemId) { + case R.id.toggle_javascript: + // Toggle the JavaScript status. + currentWebView.getSettings().setJavaScriptEnabled(!currentWebView.getSettings().getJavaScriptEnabled()); + + // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step. + updatePrivacyIcons(true); + + // Display a `Snackbar`. + if (currentWebView.getSettings().getJavaScriptEnabled()) { // JavaScrip is enabled. + Snackbar.make(findViewById(R.id.webviewpager), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show(); + } else if (cookieManager.acceptCookie()) { // JavaScript is disabled, but first-party cookies are enabled. + Snackbar.make(findViewById(R.id.webviewpager), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show(); + } else { // Privacy mode. + Snackbar.make(findViewById(R.id.webviewpager), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); + } + + // Reload the current WebView. + currentWebView.reload(); + + // Consume the event. + return true; + + case R.id.add_or_edit_domain: + if (currentWebView.getDomainSettingsApplied()) { // Edit the current domain settings. + // Reapply the domain settings on returning to `MainWebViewActivity`. + reapplyDomainSettingsOnRestart = true; + + // Create an intent to launch the domains activity. + Intent domainsIntent = new Intent(this, DomainsActivity.class); + + // Add the extra information to the intent. + domainsIntent.putExtra("load_domain", currentWebView.getDomainSettingsDatabaseId()); + domainsIntent.putExtra("close_on_back", true); + domainsIntent.putExtra("current_url", currentWebView.getUrl()); + + // Get the current certificate. + SslCertificate sslCertificate = currentWebView.getCertificate(); + + // Check to see if the SSL certificate is populated. + if (sslCertificate != null) { + // Extract the certificate to strings. + String issuedToCName = sslCertificate.getIssuedTo().getCName(); + String issuedToOName = sslCertificate.getIssuedTo().getOName(); + String issuedToUName = sslCertificate.getIssuedTo().getUName(); + String issuedByCName = sslCertificate.getIssuedBy().getCName(); + String issuedByOName = sslCertificate.getIssuedBy().getOName(); + String issuedByUName = sslCertificate.getIssuedBy().getUName(); + long startDateLong = sslCertificate.getValidNotBeforeDate().getTime(); + long endDateLong = sslCertificate.getValidNotAfterDate().getTime(); + + // Add the certificate to the intent. + domainsIntent.putExtra("ssl_issued_to_cname", issuedToCName); + domainsIntent.putExtra("ssl_issued_to_oname", issuedToOName); + domainsIntent.putExtra("ssl_issued_to_uname", issuedToUName); + domainsIntent.putExtra("ssl_issued_by_cname", issuedByCName); + domainsIntent.putExtra("ssl_issued_by_oname", issuedByOName); + domainsIntent.putExtra("ssl_issued_by_uname", issuedByUName); + domainsIntent.putExtra("ssl_start_date", startDateLong); + domainsIntent.putExtra("ssl_end_date", endDateLong); + } + + // Check to see if the current IP addresses have been received. + if (currentWebView.hasCurrentIpAddresses()) { + // Add the current IP addresses to the intent. + domainsIntent.putExtra("current_ip_addresses", currentWebView.getCurrentIpAddresses()); + } + + // Make it so. + startActivity(domainsIntent); + } else { // Add a new domain. + // Apply the new domain settings on returning to `MainWebViewActivity`. + reapplyDomainSettingsOnRestart = true; + + // Get the current domain + Uri currentUri = Uri.parse(currentWebView.getUrl()); + String currentDomain = currentUri.getHost(); + + // Initialize the database handler. The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`. + DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0); + + // Create the domain and store the database ID. + int newDomainDatabaseId = domainsDatabaseHelper.addDomain(currentDomain); + + // Create an intent to launch the domains activity. + Intent domainsIntent = new Intent(this, DomainsActivity.class); + + // Add the extra information to the intent. + domainsIntent.putExtra("load_domain", newDomainDatabaseId); + domainsIntent.putExtra("close_on_back", true); + domainsIntent.putExtra("current_url", currentWebView.getUrl()); + + // Get the current certificate. + SslCertificate sslCertificate = currentWebView.getCertificate(); + + // Check to see if the SSL certificate is populated. + if (sslCertificate != null) { + // Extract the certificate to strings. + String issuedToCName = sslCertificate.getIssuedTo().getCName(); + String issuedToOName = sslCertificate.getIssuedTo().getOName(); + String issuedToUName = sslCertificate.getIssuedTo().getUName(); + String issuedByCName = sslCertificate.getIssuedBy().getCName(); + String issuedByOName = sslCertificate.getIssuedBy().getOName(); + String issuedByUName = sslCertificate.getIssuedBy().getUName(); + long startDateLong = sslCertificate.getValidNotBeforeDate().getTime(); + long endDateLong = sslCertificate.getValidNotAfterDate().getTime(); + + // Add the certificate to the intent. + domainsIntent.putExtra("ssl_issued_to_cname", issuedToCName); + domainsIntent.putExtra("ssl_issued_to_oname", issuedToOName); + domainsIntent.putExtra("ssl_issued_to_uname", issuedToUName); + domainsIntent.putExtra("ssl_issued_by_cname", issuedByCName); + domainsIntent.putExtra("ssl_issued_by_oname", issuedByOName); + domainsIntent.putExtra("ssl_issued_by_uname", issuedByUName); + domainsIntent.putExtra("ssl_start_date", startDateLong); + domainsIntent.putExtra("ssl_end_date", endDateLong); + } + + // Check to see if the current IP addresses have been received. + if (currentWebView.hasCurrentIpAddresses()) { + // Add the current IP addresses to the intent. + domainsIntent.putExtra("current_ip_addresses", currentWebView.getCurrentIpAddresses()); + } + + // Make it so. + startActivity(domainsIntent); + } + + // Consume the event. + return true; + + case R.id.toggle_first_party_cookies: + // Switch the first-party cookie status. + cookieManager.setAcceptCookie(!cookieManager.acceptCookie()); + + // Store the first-party cookie status. + currentWebView.setAcceptFirstPartyCookies(cookieManager.acceptCookie()); + + // Update the menu checkbox. + menuItem.setChecked(cookieManager.acceptCookie()); + + // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step. + updatePrivacyIcons(true); + + // Display a snackbar. + if (cookieManager.acceptCookie()) { // First-party cookies are enabled. + Snackbar.make(findViewById(R.id.webviewpager), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show(); + } else if (currentWebView.getSettings().getJavaScriptEnabled()) { // JavaScript is still enabled. + Snackbar.make(findViewById(R.id.webviewpager), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show(); + } else { // Privacy mode. + Snackbar.make(findViewById(R.id.webviewpager), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); + } + + // Reload the current WebView. + currentWebView.reload(); + + // Consume the event. + return true; + + case R.id.toggle_third_party_cookies: + if (Build.VERSION.SDK_INT >= 21) { + // Switch the status of thirdPartyCookiesEnabled. + cookieManager.setAcceptThirdPartyCookies(currentWebView, !cookieManager.acceptThirdPartyCookies(currentWebView)); + + // Update the menu checkbox. + menuItem.setChecked(cookieManager.acceptThirdPartyCookies(currentWebView)); + + // Display a snackbar. + if (cookieManager.acceptThirdPartyCookies(currentWebView)) { + Snackbar.make(findViewById(R.id.webviewpager), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show(); + } else { + Snackbar.make(findViewById(R.id.webviewpager), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show(); + } + + // Reload the current WebView. + currentWebView.reload(); + } // Else do nothing because SDK < 21. + + // Consume the event. + return true; + + case R.id.toggle_dom_storage: + // Toggle the status of domStorageEnabled. + currentWebView.getSettings().setDomStorageEnabled(!currentWebView.getSettings().getDomStorageEnabled()); + + // Update the menu checkbox. + menuItem.setChecked(currentWebView.getSettings().getDomStorageEnabled()); + + // Update the privacy icon. `true` refreshes the app bar icons. + updatePrivacyIcons(true); + + // Display a snackbar. + if (currentWebView.getSettings().getDomStorageEnabled()) { + Snackbar.make(findViewById(R.id.webviewpager), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show(); + } else { + Snackbar.make(findViewById(R.id.webviewpager), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show(); + } + + // Reload the current WebView. + currentWebView.reload(); + + // Consume the event. + return true; + + // Form data can be removed once the minimum API >= 26. + case R.id.toggle_save_form_data: + // Switch the status of saveFormDataEnabled. + currentWebView.getSettings().setSaveFormData(!currentWebView.getSettings().getSaveFormData()); + + // Update the menu checkbox. + menuItem.setChecked(currentWebView.getSettings().getSaveFormData()); + + // Display a snackbar. + if (currentWebView.getSettings().getSaveFormData()) { + Snackbar.make(findViewById(R.id.webviewpager), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show(); + } else { + Snackbar.make(findViewById(R.id.webviewpager), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show(); + } + + // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step. + updatePrivacyIcons(true); + + // Reload the current WebView. + currentWebView.reload(); + + // Consume the event. + return true; + + case R.id.clear_cookies: + Snackbar.make(findViewById(R.id.webviewpager), R.string.cookies_deleted, Snackbar.LENGTH_LONG) + .setAction(R.string.undo, v -> { + // Do nothing because everything will be handled by `onDismissed()` below. + }) + .addCallback(new Snackbar.Callback() { + @SuppressLint("SwitchIntDef") // Ignore the lint warning about not handling the other possible events as they are covered by `default:`. + @Override + public void onDismissed(Snackbar snackbar, int event) { + if (event != Snackbar.Callback.DISMISS_EVENT_ACTION) { // The snackbar was dismissed without the undo button being pushed. + // Delete the cookies, which command varies by SDK. + if (Build.VERSION.SDK_INT < 21) { + cookieManager.removeAllCookie(); + } else { + cookieManager.removeAllCookies(null); + } + } + } + }) + .show(); + + // Consume the event. + return true; + + case R.id.clear_dom_storage: + Snackbar.make(findViewById(R.id.webviewpager), R.string.dom_storage_deleted, Snackbar.LENGTH_LONG) + .setAction(R.string.undo, v -> { + // Do nothing because everything will be handled by `onDismissed()` below. + }) + .addCallback(new Snackbar.Callback() { + @SuppressLint("SwitchIntDef") // Ignore the lint warning about not handling the other possible events as they are covered by `default:`. + @Override + public void onDismissed(Snackbar snackbar, int event) { + if (event != Snackbar.Callback.DISMISS_EVENT_ACTION) { // The snackbar was dismissed without the undo button being pushed. + // Delete the DOM Storage. + WebStorage webStorage = WebStorage.getInstance(); + webStorage.deleteAllData(); + + // Initialize a handler to manually delete the DOM storage files and directories. + Handler deleteDomStorageHandler = new Handler(); + + // Setup a runnable to manually delete the DOM storage files and directories. + Runnable deleteDomStorageRunnable = () -> { + try { + // Get a handle for the runtime. + Runtime runtime = Runtime.getRuntime(); + + // Get the application's private data directory, which will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, + // which links to `/data/data/com.stoutner.privacybrowser.standard`. + String privateDataDirectoryString = getApplicationInfo().dataDir; + + // A string array must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly. + Process deleteLocalStorageProcess = runtime.exec(new String[]{"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"}); + + // Multiple commands must be used because `Runtime.exec()` does not like `*`. + Process deleteIndexProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/IndexedDB"); + Process deleteQuotaManagerProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager"); + Process deleteQuotaManagerJournalProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager-journal"); + Process deleteDatabasesProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/databases"); + + // Wait for the processes to finish. + deleteLocalStorageProcess.waitFor(); + deleteIndexProcess.waitFor(); + deleteQuotaManagerProcess.waitFor(); + deleteQuotaManagerJournalProcess.waitFor(); + deleteDatabasesProcess.waitFor(); + } catch (Exception exception) { + // Do nothing if an error is thrown. + } + }; + + // Manually delete the DOM storage files after 200 milliseconds. + deleteDomStorageHandler.postDelayed(deleteDomStorageRunnable, 200); + } + } + }) + .show(); - @Override - public void afterTextChanged(Editable s) { - // Search for the text in `mainWebView`. - currentWebView.findAllAsync(findOnPageEditText.getText().toString()); - } - }); + // Consume the event. + return true; - // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard. - findOnPageEditText.setOnKeyListener((v, keyCode, event) -> { - if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed. - // Hide the soft keyboard. - inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0); + // Form data can be remove once the minimum API >= 26. + case R.id.clear_form_data: + Snackbar.make(findViewById(R.id.webviewpager), R.string.form_data_deleted, Snackbar.LENGTH_LONG) + .setAction(R.string.undo, v -> { + // Do nothing because everything will be handled by `onDismissed()` below. + }) + .addCallback(new Snackbar.Callback() { + @SuppressLint("SwitchIntDef") // Ignore the lint warning about not handling the other possible events as they are covered by `default:`. + @Override + public void onDismissed(Snackbar snackbar, int event) { + if (event != Snackbar.Callback.DISMISS_EVENT_ACTION) { // The snackbar was dismissed without the undo button being pushed. + // Delete the form data. + WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(getApplicationContext()); + mainWebViewDatabase.clearFormData(); + } + } + }) + .show(); // Consume the event. return true; - } else { // A different key was pressed. - // Do not consume the event. - return false; - } - }); - // Implement swipe to refresh. - swipeRefreshLayout.setOnRefreshListener(() -> currentWebView.reload()); + case R.id.easylist: + // Toggle the EasyList status. + currentWebView.enableBlocklist(NestedScrollWebView.EASYLIST, !currentWebView.isBlocklistEnabled(NestedScrollWebView.EASYLIST)); - // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. - swipeRefreshLayout.setProgressViewOffset(false, swipeRefreshLayout.getProgressViewStartOffset() - 10, swipeRefreshLayout.getProgressViewEndOffset()); + // Update the menu checkbox. + menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.EASYLIST)); - // Set the swipe to refresh color according to the theme. - if (darkTheme) { - swipeRefreshLayout.setColorSchemeResources(R.color.blue_800); - swipeRefreshLayout.setProgressBackgroundColorSchemeResource(R.color.gray_850); - } else { - swipeRefreshLayout.setColorSchemeResources(R.color.blue_500); - } + // Reload the current WebView. + currentWebView.reload(); - // `DrawerTitle` identifies the `DrawerLayouts` in accessibility mode. - drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer)); - drawerLayout.setDrawerTitle(GravityCompat.END, getString(R.string.bookmarks)); + // Consume the event. + return true; - // Initialize the bookmarks database helper. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`. - bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0); + case R.id.easyprivacy: + // Toggle the EasyPrivacy status. + currentWebView.enableBlocklist(NestedScrollWebView.EASYPRIVACY, !currentWebView.isBlocklistEnabled(NestedScrollWebView.EASYPRIVACY)); - // Initialize `currentBookmarksFolder`. `""` is the home folder in the database. - currentBookmarksFolder = ""; + // Update the menu checkbox. + menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.EASYPRIVACY)); - // Load the home folder, which is `""` in the database. - loadBookmarksFolder(); + // Reload the current WebView. + currentWebView.reload(); - bookmarksListView.setOnItemClickListener((parent, view, position, id) -> { - // Convert the id from long to int to match the format of the bookmarks database. - int databaseID = (int) id; + // Consume the event. + return true; - // Get the bookmark cursor for this ID and move it to the first row. - Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmark(databaseID); - bookmarkCursor.moveToFirst(); + case R.id.fanboys_annoyance_list: + // Toggle Fanboy's Annoyance List status. + currentWebView.enableBlocklist(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST, !currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)); - // Act upon the bookmark according to the type. - if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) { // The selected bookmark is a folder. - // Store the new folder name in `currentBookmarksFolder`. - currentBookmarksFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); + // Update the menu checkbox. + menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)); - // Load the new folder. - loadBookmarksFolder(); - } else { // The selected bookmark is not a folder. - // Load the bookmark URL. - loadUrl(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL))); + // Update the staus of Fanboy's Social Blocking List. + MenuItem fanboysSocialBlockingListMenuItem = optionsMenu.findItem(R.id.fanboys_social_blocking_list); + fanboysSocialBlockingListMenuItem.setEnabled(!currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)); - // Close the bookmarks drawer. - drawerLayout.closeDrawer(GravityCompat.END); - } + // Reload the current WebView. + currentWebView.reload(); - // Close the `Cursor`. - bookmarkCursor.close(); - }); + // Consume the event. + return true; - bookmarksListView.setOnItemLongClickListener((parent, view, position, id) -> { - // Convert the database ID from `long` to `int`. - int databaseId = (int) id; + case R.id.fanboys_social_blocking_list: + // Toggle Fanboy's Social Blocking List status. + currentWebView.enableBlocklist(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST, !currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST)); - // Find out if the selected bookmark is a folder. - boolean isFolder = bookmarksDatabaseHelper.isFolder(databaseId); + // Update the menu checkbox. + menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST)); - if (isFolder) { - // Save the current folder name, which is used in `onSaveEditBookmarkFolder()`. - oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); + // Reload the current WebView. + currentWebView.reload(); - // Show the edit bookmark folder `AlertDialog` and name the instance `@string/edit_folder`. - DialogFragment editBookmarkFolderDialog = EditBookmarkFolderDialog.folderDatabaseId(databaseId, currentWebView.getFavoriteOrDefaultIcon()); - editBookmarkFolderDialog.show(getSupportFragmentManager(), getString(R.string.edit_folder)); - } else { - // Show the edit bookmark `AlertDialog` and name the instance `@string/edit_bookmark`. - DialogFragment editBookmarkDialog = EditBookmarkDialog.bookmarkDatabaseId(databaseId, currentWebView.getFavoriteOrDefaultIcon()); - editBookmarkDialog.show(getSupportFragmentManager(), getString(R.string.edit_bookmark)); - } + // Consume the event. + return true; - // Consume the event. - return true; - }); + case R.id.ultralist: + // Toggle the UltraList status. + currentWebView.enableBlocklist(NestedScrollWebView.ULTRALIST, !currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRALIST)); - // Get the status bar pixel size. - int statusBarResourceId = getResources().getIdentifier("status_bar_height", "dimen", "android"); - int statusBarPixelSize = getResources().getDimensionPixelSize(statusBarResourceId); + // Update the menu checkbox. + menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRALIST)); - // Get the resource density. - float screenDensity = getResources().getDisplayMetrics().density; + // Reload the current WebView. + currentWebView.reload(); - // Calculate the drawer header padding. This is used to move the text in the drawer headers below any cutouts. - drawerHeaderPaddingLeftAndRight = (int) (15 * screenDensity); - drawerHeaderPaddingTop = statusBarPixelSize + (int) (4 * screenDensity); - drawerHeaderPaddingBottom = (int) (8 * screenDensity); + // Consume the event. + return true; - // The drawer listener is used to update the navigation menu.` - drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() { - @Override - public void onDrawerSlide(@NonNull View drawerView, float slideOffset) { - } + case R.id.ultraprivacy: + // Toggle the UltraPrivacy status. + currentWebView.enableBlocklist(NestedScrollWebView.ULTRAPRIVACY, !currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRAPRIVACY)); - @Override - public void onDrawerOpened(@NonNull View drawerView) { - } + // Update the menu checkbox. + menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRAPRIVACY)); - @Override - public void onDrawerClosed(@NonNull View drawerView) { - } + // Reload the current WebView. + currentWebView.reload(); - @Override - public void onDrawerStateChanged(int newState) { - if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // A drawer is opening or closing. - // Get handles for the drawer headers. - TextView navigationHeaderTextView = findViewById(R.id.navigationText); - TextView bookmarksHeaderTextView = findViewById(R.id.bookmarks_title_textview); + // Consume the event. + return true; - // Apply the navigation header paddings if the view is not null (sometimes it is null if another activity has already started). This moves the text in the header below any cutouts. - if (navigationHeaderTextView != null) { - navigationHeaderTextView.setPadding(drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingTop, drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingBottom); - } + case R.id.block_all_third_party_requests: + //Toggle the third-party requests blocker status. + currentWebView.enableBlocklist(NestedScrollWebView.THIRD_PARTY_REQUESTS, !currentWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)); - // Apply the bookmarks header paddings if the view is not null (sometimes it is null if another activity has already started). This moves the text in the header below any cutouts. - if (bookmarksHeaderTextView != null) { - bookmarksHeaderTextView.setPadding(drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingTop, drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingBottom); - } + // Update the menu checkbox. + menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)); - // Update the navigation menu items. - navigationCloseTabMenuItem.setEnabled(tabLayout.getTabCount() > 1); - navigationBackMenuItem.setEnabled(currentWebView.canGoBack()); - navigationForwardMenuItem.setEnabled(currentWebView.canGoForward()); - navigationHistoryMenuItem.setEnabled((currentWebView.canGoBack() || currentWebView.canGoForward())); - navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + currentWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + // Reload the current WebView. + currentWebView.reload(); - // Hide the keyboard (if displayed). - inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0); + // Consume the event. + return true; - // Clear the focus from from the URL text box and the WebView. This removes any text selection markers and context menus, which otherwise draw above the open drawers. - urlEditText.clearFocus(); - currentWebView.clearFocus(); - } - } - }); + case R.id.user_agent_privacy_browser: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[0]); - // Create the hamburger icon at the start of the AppBar. - actionBarDrawerToggle = new ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.open_navigation_drawer, R.string.close_navigation_drawer); + // Reload the current WebView. + currentWebView.reload(); - // Replace the header that `WebView` creates for `X-Requested-With` with a null value. The default value is the application ID (com.stoutner.privacybrowser.standard). - customHeaders.put("X-Requested-With", ""); + // Consume the event. + return true; - // Initialize the default preference values the first time the program is run. `false` keeps this command from resetting any current preferences back to default. - PreferenceManager.setDefaultValues(this, R.xml.preferences, false); + case R.id.user_agent_webview_default: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(""); - // Store the application's private data directory. - privateDataDirectoryString = getApplicationInfo().dataDir; - // `dataDir` will vary, but will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, which links to `/data/data/com.stoutner.privacybrowser.standard`. + // Reload the current WebView. + currentWebView.reload(); - // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode. - inFullScreenBrowsingMode = false; + // Consume the event. + return true; - // Initialize the privacy settings variables. - firstPartyCookiesEnabled = false; - saveFormDataEnabled = false; // Form data can be removed once the minimum API >= 26. - nightMode = false; + case R.id.user_agent_firefox_on_android: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[2]); - // Inflate a bare WebView to get the default user agent. It is not used to render content on the screen. - @SuppressLint("InflateParams") View webViewLayout = getLayoutInflater().inflate(R.layout.bare_webview, null, false); + // Reload the current WebView. + currentWebView.reload(); - // Get a handle for the WebView. - WebView bareWebView = webViewLayout.findViewById(R.id.bare_webview); + // Consume the event. + return true; - // Store the default user agent. - webViewDefaultUserAgent = bareWebView.getSettings().getUserAgentString(); + case R.id.user_agent_chrome_on_android: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[3]); - // Destroy the bare WebView. - bareWebView.destroy(); + // Reload the current WebView. + currentWebView.reload(); + + // Consume the event. + return true; - // Initialize the user agent array adapter and string array. - userAgentNamesArray = ArrayAdapter.createFromResource(this, R.array.user_agent_names, R.layout.spinner_item); - userAgentDataArray = getResources().getStringArray(R.array.user_agent_data); + case R.id.user_agent_safari_on_ios: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[4]); - // Get the intent that started the app. - Intent launchingIntent = getIntent(); + // Reload the current WebView. + currentWebView.reload(); - // Get the information from the intent. - String launchingIntentAction = launchingIntent.getAction(); - Uri launchingIntentUriData = launchingIntent.getData(); + // Consume the event. + return true; - // If the intent action is a web search, perform the search. - if ((launchingIntentAction != null) && launchingIntentAction.equals(Intent.ACTION_WEB_SEARCH)) { - // Create an encoded URL string. - String encodedUrlString; + case R.id.user_agent_firefox_on_linux: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[5]); - // Sanitize the search input and convert it to a search. - try { - encodedUrlString = URLEncoder.encode(launchingIntent.getStringExtra(SearchManager.QUERY), "UTF-8"); - } catch (UnsupportedEncodingException exception) { - encodedUrlString = ""; - } + // Reload the current WebView. + currentWebView.reload(); - // Add the base search URL. - formattedUrlString = searchURL + encodedUrlString; - } else if (launchingIntentUriData != null){ // Check to see if the intent contains a new URL. - // Set the formatted URL string. - formattedUrlString = launchingIntentUriData.toString(); - } - } + // Consume the event. + return true; - @Override - protected void onNewIntent(Intent intent) { - // Get the information from the intent. - String intentAction = intent.getAction(); - Uri intentUriData = intent.getData(); - - // Only process the URI if it contains data. If the user pressed the desktop icon after the app was already running the URI will be null. - if (intentUriData != null) { - // Sets the new intent as the activity intent, which replaces the one that originally started the app. - setIntent(intent); - - // Add a new tab. - addTab(null); - - // If the intent action is a web search, perform the search. - if ((intentAction != null) && intentAction.equals(Intent.ACTION_WEB_SEARCH)) { - // Create an encoded URL string. - String encodedUrlString; - - // Sanitize the search input and convert it to a search. - try { - encodedUrlString = URLEncoder.encode(intent.getStringExtra(SearchManager.QUERY), "UTF-8"); - } catch (UnsupportedEncodingException exception) { - encodedUrlString = ""; - } + case R.id.user_agent_chromium_on_linux: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[6]); - // Add the base search URL. - formattedUrlString = searchURL + encodedUrlString; - } else { // The intent should contain a URL. - // Set the formatted URL string. - formattedUrlString = intentUriData.toString(); - } + // Reload the current WebView. + currentWebView.reload(); - // Load the URL. - loadUrl(formattedUrlString); + // Consume the event. + return true; - // Get a handle for the drawer layout. - DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); + case R.id.user_agent_firefox_on_windows: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[7]); - // Close the navigation drawer if it is open. - if (drawerLayout.isDrawerVisible(GravityCompat.START)) { - drawerLayout.closeDrawer(GravityCompat.START); - } + // Reload the current WebView. + currentWebView.reload(); - // Close the bookmarks drawer if it is open. - if (drawerLayout.isDrawerVisible(GravityCompat.END)) { - drawerLayout.closeDrawer(GravityCompat.END); - } + // Consume the event. + return true; - // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it. - currentWebView.requestFocus(); - } - } + case R.id.user_agent_chrome_on_windows: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[8]); - @Override - public void onRestart() { - // Run the default commands. - super.onRestart(); + // Reload the current WebView. + currentWebView.reload(); - // Make sure Orbot is running if Privacy Browser is proxying through Orbot. - if (proxyThroughOrbot) { - // Request Orbot to start. If Orbot is already running no hard will be caused by this request. - Intent orbotIntent = new Intent("org.torproject.android.intent.action.START"); + // Consume the event. + return true; - // Send the intent to the Orbot package. - orbotIntent.setPackage("org.torproject.android"); + case R.id.user_agent_edge_on_windows: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[9]); - // Make it so. - sendBroadcast(orbotIntent); - } + // Reload the current WebView. + currentWebView.reload(); - // Apply the app settings if returning from the Settings activity. - if (reapplyAppSettingsOnRestart) { - // Apply the app settings. - applyAppSettings(); + // Consume the event. + return true; - // Reload the webpage if displaying of images has been disabled in the Settings activity. - if (reloadOnRestart) { - // Reload the WebViews. - for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { - // Get the WebView tab fragment. - WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); + case R.id.user_agent_internet_explorer_on_windows: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[10]); - // Get the fragment view. - View fragmentView = webViewTabFragment.getView(); + // Reload the current WebView. + currentWebView.reload(); - // Only reload the WebViews if they exist. - if (fragmentView != null) { - // Get the nested scroll WebView from the tab fragment. - NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + // Consume the event. + return true; - // Reload the WebView. This doesn't seem to work if for WebViews that aren't visible. - nestedScrollWebView.reload(); - } - } + case R.id.user_agent_safari_on_macos: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[11]); - // Reset `reloadOnRestartBoolean`. - reloadOnRestart = false; - } + // Reload the current WebView. + currentWebView.reload(); - // Reset the return from settings flag. - reapplyAppSettingsOnRestart = false; - } + // Consume the event. + return true; - // TODO apply to all the tabs. - // Apply the domain settings if returning from the Domains activity. - if (reapplyDomainSettingsOnRestart) { - // Reapply the domain settings. - applyDomainSettings(currentWebView, formattedUrlString, false, true); + case R.id.user_agent_custom: + // Update the user agent. + currentWebView.getSettings().setUserAgentString(sharedPreferences.getString("custom_user_agent", getString(R.string.custom_user_agent_default_value))); - // Reset `reapplyDomainSettingsOnRestart`. - reapplyDomainSettingsOnRestart = false; - } + // Reload the current WebView. + currentWebView.reload(); - // Load the URL on restart to apply changes to night mode. - if (loadUrlOnRestart) { - // Load the current `formattedUrlString`. - loadUrl(formattedUrlString); + // Consume the event. + return true; - // Reset `loadUrlOnRestart. - loadUrlOnRestart = false; - } + case R.id.font_size_twenty_five_percent: + // Set the font size. + currentWebView.getSettings().setTextZoom(25); - // Update the bookmarks drawer if returning from the Bookmarks activity. - if (restartFromBookmarksActivity) { - // Get a handle for the drawer layout. - DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); + // Consume the event. + return true; - // Close the bookmarks drawer. - drawerLayout.closeDrawer(GravityCompat.END); + case R.id.font_size_fifty_percent: + // Set the font size. + currentWebView.getSettings().setTextZoom(50); - // Reload the bookmarks drawer. - loadBookmarksFolder(); + // Consume the event. + return true; - // Reset `restartFromBookmarksActivity`. - restartFromBookmarksActivity = false; - } + case R.id.font_size_seventy_five_percent: + // Set the font size. + currentWebView.getSettings().setTextZoom(75); - // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step. This can be important if the screen was rotated. - updatePrivacyIcons(true); - } + // Consume the event. + return true; - // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`. - @Override - public void onResume() { - // Run the default commands. - super.onResume(); + case R.id.font_size_one_hundred_percent: + // Set the font size. + currentWebView.getSettings().setTextZoom(100); - for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { - // Get the WebView tab fragment. - WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); + // Consume the event. + return true; - // Get the fragment view. - View fragmentView = webViewTabFragment.getView(); + case R.id.font_size_one_hundred_twenty_five_percent: + // Set the font size. + currentWebView.getSettings().setTextZoom(125); - // Only resume the WebViews if they exist (they won't when the app is first created). - if (fragmentView != null) { - // Get the nested scroll WebView from the tab fragment. - NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + // Consume the event. + return true; - // Resume the nested scroll WebView JavaScript timers. - nestedScrollWebView.resumeTimers(); + case R.id.font_size_one_hundred_fifty_percent: + // Set the font size. + currentWebView.getSettings().setTextZoom(150); - // Resume the nested scroll WebView. - nestedScrollWebView.onResume(); - } - } + // Consume the event. + return true; - // Display a message to the user if waiting for Orbot. - if (waitingForOrbot && !orbotStatus.equals("ON")) { - // Disable the wide view port so that the waiting for Orbot text is displayed correctly. - currentWebView.getSettings().setUseWideViewPort(false); + case R.id.font_size_one_hundred_seventy_five_percent: + // Set the font size. + currentWebView.getSettings().setTextZoom(175); - // Load a waiting page. `null` specifies no encoding, which defaults to ASCII. - currentWebView.loadData(waitingForOrbotHtmlString, "text/html", null); - } + // Consume the event. + return true; - if (displayingFullScreenVideo || inFullScreenBrowsingMode) { - // Get a handle for the root frame layouts. - FrameLayout rootFrameLayout = findViewById(R.id.root_framelayout); + case R.id.font_size_two_hundred_percent: + // Set the font size. + currentWebView.getSettings().setTextZoom(200); - // Remove the translucent status flag. This is necessary so the root frame layout can fill the entire screen. - getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + // Consume the event. + return true; - /* Hide the system bars. - * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. - * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar. - * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. - * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown. - */ - rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | - View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); - } else if (BuildConfig.FLAVOR.contentEquals("free")) { // Resume the adView for the free flavor. - // Resume the ad. - AdHelper.resumeAd(findViewById(R.id.adview)); - } - } + case R.id.swipe_to_refresh: + // Toggle the stored status of swipe to refresh. + currentWebView.setSwipeToRefresh(!currentWebView.getSwipeToRefresh()); - @Override - public void onPause() { - // Run the default commands. - super.onPause(); + // Get a handle for the swipe refresh layout. + SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); - for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { - // Get the WebView tab fragment. - WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); + // Update the swipe refresh layout. + if (currentWebView.getSwipeToRefresh()) { // Swipe to refresh is enabled. + // Only enable the swipe refresh layout if the WebView is scrolled to the top. It is updated every time the scroll changes. + swipeRefreshLayout.setEnabled(currentWebView.getY() == 0); + } else { // Swipe to refresh is disabled. + // Disable the swipe refresh layout. + swipeRefreshLayout.setEnabled(false); + } - // Get the fragment view. - View fragmentView = webViewTabFragment.getView(); + // Consume the event. + return true; - // Only pause the WebViews if they exist (they won't when the app is first created). - if (fragmentView != null) { - // Get the nested scroll WebView from the tab fragment. - NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + case R.id.wide_viewport: + // Toggle the viewport. + currentWebView.getSettings().setUseWideViewPort(!currentWebView.getSettings().getUseWideViewPort()); - // Pause the nested scroll WebView. - nestedScrollWebView.onPause(); + // Consume the event. + return true; - // Pause the nested scroll WebView JavaScript timers. - nestedScrollWebView.pauseTimers(); - } - } + case R.id.display_images: + if (currentWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically. + // Disable loading of images. + currentWebView.getSettings().setLoadsImagesAutomatically(false); - // Pause the ad or it will continue to consume resources in the background on the free flavor. - if (BuildConfig.FLAVOR.contentEquals("free")) { - // Pause the ad. - AdHelper.pauseAd(findViewById(R.id.adview)); - } - } + // Reload the website to remove existing images. + currentWebView.reload(); + } else { // Images are not currently loaded automatically. + // Enable loading of images. Missing images will be loaded without the need for a reload. + currentWebView.getSettings().setLoadsImagesAutomatically(true); + } - @Override - public void onDestroy() { - // Unregister the Orbot status broadcast receiver. - this.unregisterReceiver(orbotStatusBroadcastReceiver); + // Consume the event. + return true; - // Close the bookmarks cursor and database. - bookmarksCursor.close(); - bookmarksDatabaseHelper.close(); + case R.id.night_mode: + // Toggle night mode. + currentWebView.setNightMode(!currentWebView.getNightMode()); - // Run the default commands. - super.onDestroy(); - } + // Enable or disable JavaScript according to night mode, the global preference, and any domain settings. + if (currentWebView.getNightMode()) { // Night mode is enabled, which requires JavaScript. + // Enable JavaScript. + currentWebView.getSettings().setJavaScriptEnabled(true); + } else if (currentWebView.getDomainSettingsApplied()) { // Night mode is disabled and domain settings are applied. Set JavaScript according to the domain settings. + // Apply the JavaScript preference that was stored the last time domain settings were loaded. + currentWebView.getSettings().setJavaScriptEnabled(currentWebView.getDomainSettingsJavaScriptEnabled()); + } else { // Night mode is disabled and domain settings are not applied. Set JavaScript according to the global preference. + // Apply the JavaScript preference. + currentWebView.getSettings().setJavaScriptEnabled(sharedPreferences.getBoolean("javascript", false)); + } - @Override - public boolean onCreateOptionsMenu(Menu menu) { - // Inflate the menu. This adds items to the action bar if it is present. - getMenuInflater().inflate(R.menu.webview_options_menu, menu); + // Update the privacy icons. + updatePrivacyIcons(false); - // Store a handle for the options menu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`. - optionsMenu = menu; + // Reload the website. + currentWebView.reload(); - // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step. - updatePrivacyIcons(false); + // Consume the event. + return true; - // Get handles for the menu items. - MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies); - MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies); - MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage); - MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data); // Form data can be removed once the minimum API >= 26. - MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data); // Form data can be removed once the minimum API >= 26. - refreshMenuItem = menu.findItem(R.id.refresh); - blocklistsMenuItem = menu.findItem(R.id.blocklists); - easyListMenuItem = menu.findItem(R.id.easylist); - easyPrivacyMenuItem = menu.findItem(R.id.easyprivacy); - fanboysAnnoyanceListMenuItem = menu.findItem(R.id.fanboys_annoyance_list); - fanboysSocialBlockingListMenuItem = menu.findItem(R.id.fanboys_social_blocking_list); - ultraPrivacyMenuItem = menu.findItem(R.id.ultraprivacy); - blockAllThirdPartyRequestsMenuItem = menu.findItem(R.id.block_all_third_party_requests); - MenuItem adConsentMenuItem = menu.findItem(R.id.ad_consent); + case R.id.find_on_page: + // Get a handle for the views. + Toolbar toolbar = findViewById(R.id.toolbar); + LinearLayout findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout); + EditText findOnPageEditText = findViewById(R.id.find_on_page_edittext); - // Only display third-party cookies if API >= 21 - toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21); + // Set the minimum height of the find on page linear layout to match the toolbar. + findOnPageLinearLayout.setMinimumHeight(toolbar.getHeight()); - // Only display the form data menu items if the API < 26. - toggleSaveFormDataMenuItem.setVisible(Build.VERSION.SDK_INT < 26); - clearFormDataMenuItem.setVisible(Build.VERSION.SDK_INT < 26); + // Hide the toolbar. + toolbar.setVisibility(View.GONE); - // Only show Ad Consent if this is the free flavor. - adConsentMenuItem.setVisible(BuildConfig.FLAVOR.contentEquals("free")); + // Show the find on page linear layout. + findOnPageLinearLayout.setVisibility(View.VISIBLE); - // Get the shared preference values. - SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + // Display the keyboard. The app must wait 200 ms before running the command to work around a bug in Android. + // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working + findOnPageEditText.postDelayed(() -> { + // Set the focus on `findOnPageEditText`. + findOnPageEditText.requestFocus(); - // Get the status of the additional AppBar icons. - displayAdditionalAppBarIcons = sharedPreferences.getBoolean("display_additional_app_bar_icons", false); + // Get a handle for the input method manager. + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); - // Set the status of the additional app bar icons. Setting the refresh menu item to `SHOW_AS_ACTION_ALWAYS` makes it appear even on small devices like phones. - if (displayAdditionalAppBarIcons) { - toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); - toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); - refreshMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); - } else { //Do not display the additional icons. - toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); - toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); - refreshMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); - } + // Remove the lint warning below that the input method manager might be null. + assert inputMethodManager != null; - // Replace Refresh with Stop if a URL is already loading. - if (currentWebView != null && currentWebView.getProgress() != 100) { - // Set the title. - refreshMenuItem.setTitle(R.string.stop); + // Display the keyboard. `0` sets no input flags. + inputMethodManager.showSoftInput(findOnPageEditText, 0); + }, 200); - // If the icon is displayed in the AppBar, set it according to the theme. - if (displayAdditionalAppBarIcons) { - if (darkTheme) { - refreshMenuItem.setIcon(R.drawable.close_dark); - } else { - refreshMenuItem.setIcon(R.drawable.close_light); - } - } - } + // Consume the event. + return true; - return true; - } + case R.id.print: + // Get a print manager instance. + PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE); - @Override - public boolean onPrepareOptionsMenu(Menu menu) { - // Get a handle for the swipe refresh layout. - SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); + // Remove the lint error below that print manager might be null. + assert printManager != null; - // Get handles for the menu items. - MenuItem addOrEditDomain = menu.findItem(R.id.add_or_edit_domain); - MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies); - MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies); - MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage); - MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data); // Form data can be removed once the minimum API >= 26. - MenuItem clearDataMenuItem = menu.findItem(R.id.clear_data); - MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies); - MenuItem clearDOMStorageMenuItem = menu.findItem(R.id.clear_dom_storage); - MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data); // Form data can be removed once the minimum API >= 26. - MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size); - MenuItem swipeToRefreshMenuItem = menu.findItem(R.id.swipe_to_refresh); - MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images); - MenuItem nightModeMenuItem = menu.findItem(R.id.night_mode); - MenuItem proxyThroughOrbotMenuItem = menu.findItem(R.id.proxy_through_orbot); + // Create a print document adapter from the current WebView. + PrintDocumentAdapter printDocumentAdapter = currentWebView.createPrintDocumentAdapter(); - // Get a handle for the cookie manager. - CookieManager cookieManager = CookieManager.getInstance(); + // Print the document. + printManager.print(getString(R.string.privacy_browser_web_page), printDocumentAdapter, null); - // Initialize the current user agent string and the font size. - String currentUserAgent = getString(R.string.user_agent_privacy_browser); - int fontSize = 100; + // Consume the event. + return true; - // Set items that require the current web view to be populated. It will be null when the program is first opened, as `onPrepareOptionsMenu()` is called before the first WebView is initialized. - if (currentWebView != null) { - // Set the add or edit domain text. - if (currentWebView.getDomainSettingsApplied()) { - addOrEditDomain.setTitle(R.string.edit_domain_settings); - } else { - addOrEditDomain.setTitle(R.string.add_domain_settings); - } + case R.id.save_as_image: + // Instantiate the save webpage image dialog. + DialogFragment saveWebpageImageDialogFragment = new SaveWebpageImageDialog(); - // Get the current user agent from the WebView. - currentUserAgent = currentWebView.getSettings().getUserAgentString(); + // Show the save webpage image dialog. + saveWebpageImageDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_as_image)); - // Get the current font size from the - fontSize = currentWebView.getSettings().getTextZoom(); + // Consume the event. + return true; - // Set the status of the menu item checkboxes. - toggleDomStorageMenuItem.setChecked(currentWebView.getSettings().getDomStorageEnabled()); - easyListMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.EASY_LIST)); - easyPrivacyMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.EASY_PRIVACY)); - fanboysAnnoyanceListMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)); - fanboysSocialBlockingListMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST)); - ultraPrivacyMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRA_PRIVACY)); - blockAllThirdPartyRequestsMenuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)); - displayImagesMenuItem.setChecked(currentWebView.getSettings().getLoadsImagesAutomatically()); + case R.id.add_to_homescreen: + // Instantiate the create home screen shortcut dialog. + DialogFragment createHomeScreenShortcutDialogFragment = CreateHomeScreenShortcutDialog.createDialog(currentWebView.getTitle(), currentWebView.getUrl(), + currentWebView.getFavoriteOrDefaultIcon()); - // Initialize the display names for the blocklists with the number of blocked requests. - blocklistsMenuItem.setTitle(getString(R.string.blocklists) + " - " + currentWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - easyListMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.EASY_LIST) + " - " + getString(R.string.easylist)); - easyPrivacyMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.EASY_PRIVACY) + " - " + getString(R.string.easyprivacy)); - fanboysAnnoyanceListMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST) + " - " + getString(R.string.fanboys_annoyance_list)); - fanboysSocialBlockingListMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST) + " - " + getString(R.string.fanboys_social_blocking_list)); - ultraPrivacyMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.ULTRA_PRIVACY) + " - " + getString(R.string.ultraprivacy)); - blockAllThirdPartyRequestsMenuItem.setTitle(currentWebView.getRequestsCount(NestedScrollWebView.THIRD_PARTY_REQUESTS) + " - " + getString(R.string.block_all_third_party_requests)); - } + // Show the create home screen shortcut dialog. + createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getString(R.string.create_shortcut)); - // Set the status of the menu item checkboxes. - toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled); - toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled); // Form data can be removed once the minimum API >= 26. - swipeToRefreshMenuItem.setChecked(swipeRefreshLayout.isEnabled()); - nightModeMenuItem.setChecked(nightMode); - proxyThroughOrbotMenuItem.setChecked(proxyThroughOrbot); + // Consume the event. + return true; - // Only modify third-party cookies if the API >= 21. - if (Build.VERSION.SDK_INT >= 21) { - // Set the status of the third-party cookies checkbox. - toggleThirdPartyCookiesMenuItem.setChecked(cookieManager.acceptThirdPartyCookies(currentWebView)); + case R.id.view_source: + // Create an intent to launch the view source activity. + Intent viewSourceIntent = new Intent(this, ViewSourceActivity.class); - // Enable third-party cookies if first-party cookies are enabled. - toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled); - } + // Add the variables to the intent. + viewSourceIntent.putExtra("user_agent", currentWebView.getSettings().getUserAgentString()); + viewSourceIntent.putExtra("current_url", currentWebView.getUrl()); - // Enable DOM Storage if JavaScript is enabled. - toggleDomStorageMenuItem.setEnabled(currentWebView.getSettings().getJavaScriptEnabled()); + // Make it so. + startActivity(viewSourceIntent); - // Enable Clear Cookies if there are any. - clearCookiesMenuItem.setEnabled(cookieManager.hasCookies()); + // Consume the event. + return true; - // Get a count of the number of files in the Local Storage directory. - File localStorageDirectory = new File (privateDataDirectoryString + "/app_webview/Local Storage/"); - int localStorageDirectoryNumberOfFiles = 0; - if (localStorageDirectory.exists()) { - localStorageDirectoryNumberOfFiles = localStorageDirectory.list().length; - } + case R.id.share_url: + // Setup the share string. + String shareString = currentWebView.getTitle() + " – " + currentWebView.getUrl(); - // Get a count of the number of files in the IndexedDB directory. - File indexedDBDirectory = new File (privateDataDirectoryString + "/app_webview/IndexedDB"); - int indexedDBDirectoryNumberOfFiles = 0; - if (indexedDBDirectory.exists()) { - indexedDBDirectoryNumberOfFiles = indexedDBDirectory.list().length; - } + // Create the share intent. + Intent shareIntent = new Intent(Intent.ACTION_SEND); + shareIntent.putExtra(Intent.EXTRA_TEXT, shareString); + shareIntent.setType("text/plain"); - // Enable Clear DOM Storage if there is any. - clearDOMStorageMenuItem.setEnabled(localStorageDirectoryNumberOfFiles > 0 || indexedDBDirectoryNumberOfFiles > 0); + // Make it so. + startActivity(Intent.createChooser(shareIntent, getString(R.string.share_url))); - // Enable Clear Form Data is there is any. This can be removed once the minimum API >= 26. - if (Build.VERSION.SDK_INT < 26) { - WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this); - clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData()); - } else { - // Disable clear form data because it is not supported on current version of Android. - clearFormDataMenuItem.setEnabled(false); - } + // Consume the event. + return true; - // Enable Clear Data if any of the submenu items are enabled. - clearDataMenuItem.setEnabled(clearCookiesMenuItem.isEnabled() || clearDOMStorageMenuItem.isEnabled() || clearFormDataMenuItem.isEnabled()); + case R.id.open_with_app: + // Open the URL with an outside app. + openWithApp(currentWebView.getUrl()); - // Disable Fanboy's Social Blocking List menu item if Fanboy's Annoyance List is checked. - fanboysSocialBlockingListMenuItem.setEnabled(!fanboysAnnoyanceListMenuItem.isChecked()); + // Consume the event. + return true; - // Select the current user agent menu item. A switch statement cannot be used because the user agents are not compile time constants. - if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[0])) { // Privacy Browser. - menu.findItem(R.id.user_agent_privacy_browser).setChecked(true); - } else if (currentUserAgent.equals(webViewDefaultUserAgent)) { // WebView Default. - menu.findItem(R.id.user_agent_webview_default).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[2])) { // Firefox on Android. - menu.findItem(R.id.user_agent_firefox_on_android).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[3])) { // Chrome on Android. - menu.findItem(R.id.user_agent_chrome_on_android).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[4])) { // Safari on iOS. - menu.findItem(R.id.user_agent_safari_on_ios).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[5])) { // Firefox on Linux. - menu.findItem(R.id.user_agent_firefox_on_linux).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[6])) { // Chromium on Linux. - menu.findItem(R.id.user_agent_chromium_on_linux).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[7])) { // Firefox on Windows. - menu.findItem(R.id.user_agent_firefox_on_windows).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[8])) { // Chrome on Windows. - menu.findItem(R.id.user_agent_chrome_on_windows).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[9])) { // Edge on Windows. - menu.findItem(R.id.user_agent_edge_on_windows).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[10])) { // Internet Explorer on Windows. - menu.findItem(R.id.user_agent_internet_explorer_on_windows).setChecked(true); - } else if (currentUserAgent.equals(getResources().getStringArray(R.array.user_agent_data)[11])) { // Safari on macOS. - menu.findItem(R.id.user_agent_safari_on_macos).setChecked(true); - } else { // Custom user agent. - menu.findItem(R.id.user_agent_custom).setChecked(true); - } + case R.id.open_with_browser: + // Open the URL with an outside browser. + openWithBrowser(currentWebView.getUrl()); - // Instantiate the font size title and the selected font size menu item. - String fontSizeTitle; - MenuItem selectedFontSizeMenuItem; + // Consume the event. + return true; - // Prepare the font size title and current size menu item. - switch (fontSize) { - case 25: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.twenty_five_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent); - break; + case R.id.proxy_through_orbot: + // Toggle the proxy through Orbot variable. + proxyThroughOrbot = !proxyThroughOrbot; - case 50: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.fifty_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent); - break; + // Apply the proxy through Orbot settings. + applyProxyThroughOrbot(true); - case 75: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.seventy_five_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent); - break; + // Consume the event. + return true; - case 100: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent); - break; + case R.id.refresh: + if (menuItem.getTitle().equals(getString(R.string.refresh))) { // The refresh button was pushed. + // Reload the current WebView. + currentWebView.reload(); + } else { // The stop button was pushed. + // Stop the loading of the WebView. + currentWebView.stopLoading(); + } - case 125: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_twenty_five_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent); - break; + // Consume the event. + return true; - case 150: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_fifty_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent); - break; + case R.id.ad_consent: + // Instantiate the ad consent dialog. + DialogFragment adConsentDialogFragment = new AdConsentDialog(); - case 175: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_seventy_five_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent); - break; + // Display the ad consent dialog. + adConsentDialogFragment.show(getSupportFragmentManager(), getString(R.string.ad_consent)); - case 200: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.two_hundred_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent); - break; + // Consume the event. + return true; default: - fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_percent); - selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent); - break; + // Don't consume the event. + return super.onOptionsItemSelected(menuItem); } + } - // Set the font size title and select the current size menu item. - fontSizeMenuItem.setTitle(fontSizeTitle); - selectedFontSizeMenuItem.setChecked(true); + // removeAllCookies is deprecated, but it is required for API < 21. + @Override + public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) { + // Get the menu item ID. + int menuItemId = menuItem.getItemId(); - // Run all the other default commands. - super.onPrepareOptionsMenu(menu); + // Get a handle for the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - // Display the menu. - return true; - } + // Run the commands that correspond to the selected menu item. + switch (menuItemId) { + case R.id.clear_and_exit: + // Clear and exit Privacy Browser. + clearAndExit(); + break; - @Override - // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. - @SuppressLint("SetJavaScriptEnabled") - // removeAllCookies is deprecated, but it is required for API < 21. - @SuppressWarnings("deprecation") - public boolean onOptionsItemSelected(MenuItem menuItem) { - // Reenter full screen browsing mode if it was interrupted by the options menu. - if (inFullScreenBrowsingMode) { - // Remove the translucent status flag. This is necessary so the root frame layout can fill the entire screen. - getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + case R.id.home: + // Select the homepage based on the proxy through Orbot status. + if (proxyThroughOrbot) { + // Load the Tor homepage. + loadUrl(sharedPreferences.getString("tor_homepage", getString(R.string.tor_homepage_default_value))); + } else { + // Load the normal homepage. + loadUrl(sharedPreferences.getString("homepage", getString(R.string.homepage_default_value))); + } + break; - FrameLayout rootFrameLayout = findViewById(R.id.root_framelayout); + case R.id.back: + if (currentWebView.canGoBack()) { + // Get the current web back forward list. + WebBackForwardList webBackForwardList = currentWebView.copyBackForwardList(); - /* Hide the system bars. - * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. - * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar. - * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. - * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown. - */ - rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | - View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); - } + // Get the previous entry URL. + String previousUrl = webBackForwardList.getItemAtIndex(webBackForwardList.getCurrentIndex() - 1).getUrl(); - // Get the selected menu item ID. - int menuItemId = menuItem.getItemId(); + // Apply the domain settings. + applyDomainSettings(currentWebView, previousUrl, false, false); - // Get a handle for the shared preferences. - SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + // Load the previous website in the history. + currentWebView.goBack(); + } + break; - // Get a handle for the cookie manager. - CookieManager cookieManager = CookieManager.getInstance(); + case R.id.forward: + if (currentWebView.canGoForward()) { + // Get the current web back forward list. + WebBackForwardList webBackForwardList = currentWebView.copyBackForwardList(); - // Run the commands that correlate to the selected menu item. - switch (menuItemId) { - case R.id.toggle_javascript: - // Toggle the JavaScript status. - currentWebView.getSettings().setJavaScriptEnabled(!currentWebView.getSettings().getJavaScriptEnabled()); + // Get the next entry URL. + String nextUrl = webBackForwardList.getItemAtIndex(webBackForwardList.getCurrentIndex() + 1).getUrl(); - // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step. - updatePrivacyIcons(true); + // Apply the domain settings. + applyDomainSettings(currentWebView, nextUrl, false, false); - // Display a `Snackbar`. - if (currentWebView.getSettings().getJavaScriptEnabled()) { // JavaScrip is enabled. - Snackbar.make(findViewById(R.id.webviewpager), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show(); - } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled. - Snackbar.make(findViewById(R.id.webviewpager), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show(); - } else { // Privacy mode. - Snackbar.make(findViewById(R.id.webviewpager), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); + // Load the next website in the history. + currentWebView.goForward(); } + break; - // Reload the current WebView. - currentWebView.reload(); - return true; + case R.id.history: + // Instantiate the URL history dialog. + DialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(currentWebView.getWebViewFragmentId()); - case R.id.add_or_edit_domain: - if (currentWebView.getDomainSettingsApplied()) { // Edit the current domain settings. - // Reapply the domain settings on returning to `MainWebViewActivity`. - reapplyDomainSettingsOnRestart = true; - currentWebView.resetCurrentDomainName(); + // Show the URL history dialog. + urlHistoryDialogFragment.show(getSupportFragmentManager(), getString(R.string.history)); + break; - // TODO. Move these to `putExtra`. The certificate can be stored as strings. - // Store the current SSL certificate and IP addresses in the domains activity. - DomainsActivity.currentSslCertificate = currentWebView.getCertificate(); - DomainsActivity.currentIpAddresses = currentWebView.getCurrentIpAddresses(); + case R.id.requests: + // Populate the resource requests. + RequestsActivity.resourceRequests = currentWebView.getResourceRequests(); - // Create an intent to launch the domains activity. - Intent domainsIntent = new Intent(this, DomainsActivity.class); + // Create an intent to launch the Requests activity. + Intent requestsIntent = new Intent(this, RequestsActivity.class); - // Put extra information instructing the domains activity to directly load the current domain and close on back instead of returning to the domains list. - domainsIntent.putExtra("load_domain", currentWebView.getDomainSettingsDatabaseId()); - domainsIntent.putExtra("close_on_back", true); + // Add the block third-party requests status to the intent. + requestsIntent.putExtra("block_all_third_party_requests", currentWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)); - // Make it so. - startActivity(domainsIntent); - } else { // Add a new domain. - // Apply the new domain settings on returning to `MainWebViewActivity`. - reapplyDomainSettingsOnRestart = true; - currentWebView.resetCurrentDomainName(); + // Make it so. + startActivity(requestsIntent); + break; - // Get the current domain - Uri currentUri = Uri.parse(formattedUrlString); - String currentDomain = currentUri.getHost(); + case R.id.downloads: + // Launch the system Download Manager. + Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS); - // Initialize the database handler. The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`. - DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0); + // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list. + downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - // Create the domain and store the database ID. - int newDomainDatabaseId = domainsDatabaseHelper.addDomain(currentDomain); + startActivity(downloadManagerIntent); + break; - // TODO. Move these to `putExtra`. The certificate can be stored as strings. - // Store the current SSL certificate and IP addresses in the domains activity. - DomainsActivity.currentSslCertificate = currentWebView.getCertificate(); - DomainsActivity.currentIpAddresses = currentWebView.getCurrentIpAddresses(); + case R.id.domains: + // Set the flag to reapply the domain settings on restart when returning from Domain Settings. + reapplyDomainSettingsOnRestart = true; - // Create an intent to launch the domains activity. - Intent domainsIntent = new Intent(this, DomainsActivity.class); + // Launch the domains activity. + Intent domainsIntent = new Intent(this, DomainsActivity.class); - // Put extra information instructing the domains activity to directly load the new domain and close on back instead of returning to the domains list. - domainsIntent.putExtra("load_domain", newDomainDatabaseId); - domainsIntent.putExtra("close_on_back", true); + // Add the extra information to the intent. + domainsIntent.putExtra("current_url", currentWebView.getUrl()); + + // Get the current certificate. + SslCertificate sslCertificate = currentWebView.getCertificate(); + + // Check to see if the SSL certificate is populated. + if (sslCertificate != null) { + // Extract the certificate to strings. + String issuedToCName = sslCertificate.getIssuedTo().getCName(); + String issuedToOName = sslCertificate.getIssuedTo().getOName(); + String issuedToUName = sslCertificate.getIssuedTo().getUName(); + String issuedByCName = sslCertificate.getIssuedBy().getCName(); + String issuedByOName = sslCertificate.getIssuedBy().getOName(); + String issuedByUName = sslCertificate.getIssuedBy().getUName(); + long startDateLong = sslCertificate.getValidNotBeforeDate().getTime(); + long endDateLong = sslCertificate.getValidNotAfterDate().getTime(); + + // Add the certificate to the intent. + domainsIntent.putExtra("ssl_issued_to_cname", issuedToCName); + domainsIntent.putExtra("ssl_issued_to_oname", issuedToOName); + domainsIntent.putExtra("ssl_issued_to_uname", issuedToUName); + domainsIntent.putExtra("ssl_issued_by_cname", issuedByCName); + domainsIntent.putExtra("ssl_issued_by_oname", issuedByOName); + domainsIntent.putExtra("ssl_issued_by_uname", issuedByUName); + domainsIntent.putExtra("ssl_start_date", startDateLong); + domainsIntent.putExtra("ssl_end_date", endDateLong); + } - // Make it so. - startActivity(domainsIntent); + // Check to see if the current IP addresses have been received. + if (currentWebView.hasCurrentIpAddresses()) { + // Add the current IP addresses to the intent. + domainsIntent.putExtra("current_ip_addresses", currentWebView.getCurrentIpAddresses()); } - return true; - case R.id.toggle_first_party_cookies: - // Switch the status of firstPartyCookiesEnabled. - firstPartyCookiesEnabled = !firstPartyCookiesEnabled; + // Make it so. + startActivity(domainsIntent); + break; - // Update the menu checkbox. - menuItem.setChecked(firstPartyCookiesEnabled); + case R.id.settings: + // Set the flag to reapply app settings on restart when returning from Settings. + reapplyAppSettingsOnRestart = true; - // Apply the new cookie status. - cookieManager.setAcceptCookie(firstPartyCookiesEnabled); + // Set the flag to reapply the domain settings on restart when returning from Settings. + reapplyDomainSettingsOnRestart = true; - // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step. - updatePrivacyIcons(true); + // Launch the settings activity. + Intent settingsIntent = new Intent(this, SettingsActivity.class); + startActivity(settingsIntent); + break; - // Display a `Snackbar`. - if (firstPartyCookiesEnabled) { // First-party cookies are enabled. - Snackbar.make(findViewById(R.id.webviewpager), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show(); - } else if (currentWebView.getSettings().getJavaScriptEnabled()) { // JavaScript is still enabled. - Snackbar.make(findViewById(R.id.webviewpager), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show(); - } else { // Privacy mode. - Snackbar.make(findViewById(R.id.webviewpager), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); - } + case R.id.import_export: + // Launch the import/export activity. + Intent importExportIntent = new Intent (this, ImportExportActivity.class); + startActivity(importExportIntent); + break; - // Reload the current WebView. - currentWebView.reload(); - return true; + case R.id.logcat: + // Launch the logcat activity. + Intent logcatIntent = new Intent(this, LogcatActivity.class); + startActivity(logcatIntent); + break; - case R.id.toggle_third_party_cookies: - if (Build.VERSION.SDK_INT >= 21) { - // Switch the status of thirdPartyCookiesEnabled. - cookieManager.setAcceptThirdPartyCookies(currentWebView, !cookieManager.acceptThirdPartyCookies(currentWebView)); + case R.id.guide: + // Launch `GuideActivity`. + Intent guideIntent = new Intent(this, GuideActivity.class); + startActivity(guideIntent); + break; - // Update the menu checkbox. - menuItem.setChecked(cookieManager.acceptThirdPartyCookies(currentWebView)); + case R.id.about: + // Create an intent to launch the about activity. + Intent aboutIntent = new Intent(this, AboutActivity.class); - // Display a snackbar. - if (cookieManager.acceptThirdPartyCookies(currentWebView)) { - Snackbar.make(findViewById(R.id.webviewpager), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show(); - } else { - Snackbar.make(findViewById(R.id.webviewpager), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show(); - } + // Create a string array for the blocklist versions. + String[] blocklistVersions = new String[] {easyList.get(0).get(0)[0], easyPrivacy.get(0).get(0)[0], fanboysAnnoyanceList.get(0).get(0)[0], fanboysSocialList.get(0).get(0)[0], + ultraList.get(0).get(0)[0], ultraPrivacy.get(0).get(0)[0]}; - // Reload the current WebView. - currentWebView.reload(); - } // Else do nothing because SDK < 21. - return true; + // Add the blocklist versions to the intent. + aboutIntent.putExtra("blocklist_versions", blocklistVersions); - case R.id.toggle_dom_storage: - // Toggle the status of domStorageEnabled. - currentWebView.getSettings().setDomStorageEnabled(!currentWebView.getSettings().getDomStorageEnabled()); + // Make it so. + startActivity(aboutIntent); + break; + } - // Update the menu checkbox. - menuItem.setChecked(currentWebView.getSettings().getDomStorageEnabled()); + // Get a handle for the drawer layout. + DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); - // Update the privacy icon. `true` refreshes the app bar icons. - updatePrivacyIcons(true); + // Close the navigation drawer. + drawerLayout.closeDrawer(GravityCompat.START); + return true; + } - // Display a snackbar. - if (currentWebView.getSettings().getDomStorageEnabled()) { - Snackbar.make(findViewById(R.id.webviewpager), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show(); - } else { - Snackbar.make(findViewById(R.id.webviewpager), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show(); - } + @Override + public void onPostCreate(Bundle savedInstanceState) { + // Run the default commands. + super.onPostCreate(savedInstanceState); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Sync the state of the DrawerToggle after the default `onRestoreInstanceState()` has finished. This creates the navigation drawer icon. + actionBarDrawerToggle.syncState(); + } + + @Override + public void onConfigurationChanged(@NonNull Configuration newConfig) { + // Run the default commands. + super.onConfigurationChanged(newConfig); + + // Get the status bar pixel size. + int statusBarResourceId = getResources().getIdentifier("status_bar_height", "dimen", "android"); + int statusBarPixelSize = getResources().getDimensionPixelSize(statusBarResourceId); + + // Get the resource density. + float screenDensity = getResources().getDisplayMetrics().density; + + // Recalculate the drawer header padding. + drawerHeaderPaddingLeftAndRight = (int) (15 * screenDensity); + drawerHeaderPaddingTop = statusBarPixelSize + (int) (4 * screenDensity); + drawerHeaderPaddingBottom = (int) (8 * screenDensity); - // Form data can be removed once the minimum API >= 26. - case R.id.toggle_save_form_data: - // Switch the status of saveFormDataEnabled. - saveFormDataEnabled = !saveFormDataEnabled; + // Reload the ad for the free flavor if not in full screen mode. + if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) { + // Reload the ad. The AdView is destroyed and recreated, which changes the ID, every time it is reloaded to handle possible rotations. + AdHelper.loadAd(findViewById(R.id.adview), getApplicationContext(), getString(R.string.ad_unit_id)); + } - // Update the menu checkbox. - menuItem.setChecked(saveFormDataEnabled); + // `invalidateOptionsMenu` should recalculate the number of action buttons from the menu to display on the app bar, but it doesn't because of the this bug: + // https://code.google.com/p/android/issues/detail?id=20493#c8 + // ActivityCompat.invalidateOptionsMenu(this); + } - // Apply the new form data status. - currentWebView.getSettings().setSaveFormData(saveFormDataEnabled); + @Override + public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) { + // Store the hit test result. + final WebView.HitTestResult hitTestResult = currentWebView.getHitTestResult(); - // Display a `Snackbar`. - if (saveFormDataEnabled) { - Snackbar.make(findViewById(R.id.webviewpager), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show(); - } else { - Snackbar.make(findViewById(R.id.webviewpager), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show(); - } + // Define the URL strings. + final String imageUrl; + final String linkUrl; - // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step. - updatePrivacyIcons(true); + // Get handles for the system managers. + final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE); + FragmentManager fragmentManager = getSupportFragmentManager(); + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Remove the lint errors below that the clipboard manager might be null. + assert clipboardManager != null; - case R.id.clear_cookies: - Snackbar.make(findViewById(R.id.webviewpager), R.string.cookies_deleted, Snackbar.LENGTH_LONG) - .setAction(R.string.undo, v -> { - // Do nothing because everything will be handled by `onDismissed()` below. - }) - .addCallback(new Snackbar.Callback() { - @SuppressLint("SwitchIntDef") // Ignore the lint warning about not handling the other possible events as they are covered by `default:`. - @Override - public void onDismissed(Snackbar snackbar, int event) { - switch (event) { - // The user pushed the undo button. - case Snackbar.Callback.DISMISS_EVENT_ACTION: - // Do nothing. - break; - - // The snackbar was dismissed without the undo button being pushed. - default: - // `cookieManager.removeAllCookie()` varies by SDK. - if (Build.VERSION.SDK_INT < 21) { - cookieManager.removeAllCookie(); - } else { - cookieManager.removeAllCookies(null); - } - } - } - }) - .show(); - return true; + // Process the link according to the type. + switch (hitTestResult.getType()) { + // `SRC_ANCHOR_TYPE` is a link. + case WebView.HitTestResult.SRC_ANCHOR_TYPE: + // Get the target URL. + linkUrl = hitTestResult.getExtra(); - case R.id.clear_dom_storage: - Snackbar.make(findViewById(R.id.webviewpager), R.string.dom_storage_deleted, Snackbar.LENGTH_LONG) - .setAction(R.string.undo, v -> { - // Do nothing because everything will be handled by `onDismissed()` below. - }) - .addCallback(new Snackbar.Callback() { - @SuppressLint("SwitchIntDef") // Ignore the lint warning about not handling the other possible events as they are covered by `default:`. - @Override - public void onDismissed(Snackbar snackbar, int event) { - switch (event) { - // The user pushed the undo button. - case Snackbar.Callback.DISMISS_EVENT_ACTION: - // Do nothing. - break; - - // The snackbar was dismissed without the undo button being pushed. - default: - // Delete the DOM Storage. - WebStorage webStorage = WebStorage.getInstance(); - webStorage.deleteAllData(); - - // Initialize a handler to manually delete the DOM storage files and directories. - Handler deleteDomStorageHandler = new Handler(); - - // Setup a runnable to manually delete the DOM storage files and directories. - Runnable deleteDomStorageRunnable = () -> { - try { - // Get a handle for the runtime. - Runtime runtime = Runtime.getRuntime(); - - // A string array must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly. - Process deleteLocalStorageProcess = runtime.exec(new String[]{"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"}); - - // Multiple commands must be used because `Runtime.exec()` does not like `*`. - Process deleteIndexProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/IndexedDB"); - Process deleteQuotaManagerProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager"); - Process deleteQuotaManagerJournalProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager-journal"); - Process deleteDatabasesProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/databases"); - - // Wait for the processes to finish. - deleteLocalStorageProcess.waitFor(); - deleteIndexProcess.waitFor(); - deleteQuotaManagerProcess.waitFor(); - deleteQuotaManagerJournalProcess.waitFor(); - deleteDatabasesProcess.waitFor(); - } catch (Exception exception) { - // Do nothing if an error is thrown. - } - }; - - // Manually delete the DOM storage files after 200 milliseconds. - deleteDomStorageHandler.postDelayed(deleteDomStorageRunnable, 200); - } - } - }) - .show(); - return true; + // Set the target URL as the title of the `ContextMenu`. + menu.setHeaderTitle(linkUrl); - // Form data can be remove once the minimum API >= 26. - case R.id.clear_form_data: - Snackbar.make(findViewById(R.id.webviewpager), R.string.form_data_deleted, Snackbar.LENGTH_LONG) - .setAction(R.string.undo, v -> { - // Do nothing because everything will be handled by `onDismissed()` below. - }) - .addCallback(new Snackbar.Callback() { - @SuppressLint("SwitchIntDef") // Ignore the lint warning about not handling the other possible events as they are covered by `default:`. - @Override - public void onDismissed(Snackbar snackbar, int event) { - switch (event) { - // The user pushed the undo button. - case Snackbar.Callback.DISMISS_EVENT_ACTION: - // Do nothing. - break; - - // The snackbar was dismissed without the `Undo` button being pushed. - default: - // Delete the form data. - WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(getApplicationContext()); - mainWebViewDatabase.clearFormData(); - } - } - }) - .show(); - return true; + // Add an Open in New Tab entry. + menu.add(R.string.open_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> { + // Load the link URL in a new tab and move to it. + addNewTab(linkUrl, true); - case R.id.easylist: - // Toggle the EasyList status. - currentWebView.enableBlocklist(NestedScrollWebView.EASY_LIST, !currentWebView.isBlocklistEnabled(NestedScrollWebView.EASY_LIST)); + // Consume the event. + return true; + }); - // Update the menu checkbox. - menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.EASY_LIST)); + // Add an Open in Background entry. + menu.add(R.string.open_in_background).setOnMenuItemClickListener((MenuItem item) -> { + // Load the link URL in a new tab but do not move to it. + addNewTab(linkUrl, false); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Consume the event. + return true; + }); - case R.id.easyprivacy: - // Toggle the EasyPrivacy status. - currentWebView.enableBlocklist(NestedScrollWebView.EASY_PRIVACY, !currentWebView.isBlocklistEnabled(NestedScrollWebView.EASY_PRIVACY)); + // Add an Open with App entry. + menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> { + openWithApp(linkUrl); - // Update the menu checkbox. - menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.EASY_PRIVACY)); + // Consume the event. + return true; + }); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Add an Open with Browser entry. + menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> { + openWithBrowser(linkUrl); - case R.id.fanboys_annoyance_list: - // Toggle Fanboy's Annoyance List status. - currentWebView.enableBlocklist(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST, !currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)); + // Consume the event. + return true; + }); - // Update the menu checkbox. - menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)); + // Add a Copy URL entry. + menu.add(R.string.copy_url).setOnMenuItemClickListener((MenuItem item) -> { + // Save the link URL in a `ClipData`. + ClipData srcAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), linkUrl); - // Update the staus of Fanboy's Social Blocking List. - MenuItem fanboysSocialBlockingListMenuItem = optionsMenu.findItem(R.id.fanboys_social_blocking_list); - fanboysSocialBlockingListMenuItem.setEnabled(!currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)); + // Set the `ClipData` as the clipboard's primary clip. + clipboardManager.setPrimaryClip(srcAnchorTypeClipData); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Consume the event. + return true; + }); - case R.id.fanboys_social_blocking_list: - // Toggle Fanboy's Social Blocking List status. - currentWebView.enableBlocklist(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST, !currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST)); + // Add a Download URL entry. + menu.add(R.string.download_url).setOnMenuItemClickListener((MenuItem item) -> { + // Check if the download should be processed by an external app. + if (sharedPreferences.getBoolean("download_with_external_app", false)) { // Download with an external app. + openUrlWithExternalApp(linkUrl); + } else { // Download with Android's download manager. + // Check to see if the storage permission has already been granted. + if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) { // The storage permission needs to be requested. + // Store the variables for future use by `onRequestPermissionsResult()`. + downloadUrl = linkUrl; + downloadContentDisposition = "none"; + downloadContentLength = -1; - // Update the menu checkbox. - menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST)); + // Show a dialog if the user has previously denied the permission. + if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first. + // Instantiate the download location permission alert dialog and set the download type to DOWNLOAD_FILE. + DialogFragment downloadLocationPermissionDialogFragment = DownloadLocationPermissionDialog.downloadType(DownloadLocationPermissionDialog.DOWNLOAD_FILE); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Show the download location permission alert dialog. The permission will be requested when the the dialog is closed. + downloadLocationPermissionDialogFragment.show(fragmentManager, getString(R.string.download_location)); + } else { // Show the permission request directly. + // Request the permission. The download dialog will be launched by `onRequestPermissionResult()`. + ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_FILE_REQUEST_CODE); + } + } else { // The storage permission has already been granted. + // Get a handle for the download file alert dialog. + DialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(linkUrl, "none", -1); - case R.id.ultraprivacy: - // Toggle the UltraPrivacy status. - currentWebView.enableBlocklist(NestedScrollWebView.ULTRA_PRIVACY, !currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRA_PRIVACY)); + // Show the download file alert dialog. + downloadFileDialogFragment.show(fragmentManager, getString(R.string.download)); + } + } - // Update the menu checkbox. - menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.ULTRA_PRIVACY)); + // Consume the event. + return true; + }); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Add a Cancel entry, which by default closes the context menu. + menu.add(R.string.cancel); + break; - case R.id.block_all_third_party_requests: - //Toggle the third-party requests blocker status. - currentWebView.enableBlocklist(NestedScrollWebView.THIRD_PARTY_REQUESTS, !currentWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)); + case WebView.HitTestResult.EMAIL_TYPE: + // Get the target URL. + linkUrl = hitTestResult.getExtra(); - // Update the menu checkbox. - menuItem.setChecked(currentWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)); + // Set the target URL as the title of the `ContextMenu`. + menu.setHeaderTitle(linkUrl); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Add a Write Email entry. + menu.add(R.string.write_email).setOnMenuItemClickListener(item -> { + // Use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched. + Intent emailIntent = new Intent(Intent.ACTION_SENDTO); - case R.id.user_agent_privacy_browser: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[0]); + // Parse the url and set it as the data for the `Intent`. + emailIntent.setData(Uri.parse("mailto:" + linkUrl)); - // Reload the current WebView. - currentWebView.reload(); - return true; + // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser. + emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - case R.id.user_agent_webview_default: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(""); + // Make it so. + startActivity(emailIntent); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Consume the event. + return true; + }); - case R.id.user_agent_firefox_on_android: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[2]); + // Add a Copy Email Address entry. + menu.add(R.string.copy_email_address).setOnMenuItemClickListener(item -> { + // Save the email address in a `ClipData`. + ClipData srcEmailTypeClipData = ClipData.newPlainText(getString(R.string.email_address), linkUrl); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Set the `ClipData` as the clipboard's primary clip. + clipboardManager.setPrimaryClip(srcEmailTypeClipData); - case R.id.user_agent_chrome_on_android: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[3]); + // Consume the event. + return true; + }); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Add a `Cancel` entry, which by default closes the `ContextMenu`. + menu.add(R.string.cancel); + break; - case R.id.user_agent_safari_on_ios: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[4]); + // `IMAGE_TYPE` is an image. + case WebView.HitTestResult.IMAGE_TYPE: + // Get the image URL. + imageUrl = hitTestResult.getExtra(); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Set the image URL as the title of the context menu. + menu.setHeaderTitle(imageUrl); - case R.id.user_agent_firefox_on_linux: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[5]); + // Add an Open in New Tab entry. + menu.add(R.string.open_image_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> { + // Load the image in a new tab. + addNewTab(imageUrl, true); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Consume the event. + return true; + }); + + // Add a View Image entry. + menu.add(R.string.view_image).setOnMenuItemClickListener(item -> { + // Load the image in the current tab. + loadUrl(imageUrl); - case R.id.user_agent_chromium_on_linux: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[6]); + // Consume the event. + return true; + }); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Add a Download Image entry. + menu.add(R.string.download_image).setOnMenuItemClickListener((MenuItem item) -> { + // Check if the download should be processed by an external app. + if (sharedPreferences.getBoolean("download_with_external_app", false)) { // Download with an external app. + openUrlWithExternalApp(imageUrl); + } else { // Download with Android's download manager. + // Check to see if the storage permission has already been granted. + if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) { // The storage permission needs to be requested. + // Store the image URL for use by `onRequestPermissionResult()`. + downloadImageUrl = imageUrl; - case R.id.user_agent_firefox_on_windows: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[7]); + // Show a dialog if the user has previously denied the permission. + if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first. + // Instantiate the download location permission alert dialog and set the download type to DOWNLOAD_IMAGE. + DialogFragment downloadLocationPermissionDialogFragment = DownloadLocationPermissionDialog.downloadType(DownloadLocationPermissionDialog.DOWNLOAD_IMAGE); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Show the download location permission alert dialog. The permission will be requested when the dialog is closed. + downloadLocationPermissionDialogFragment.show(fragmentManager, getString(R.string.download_location)); + } else { // Show the permission request directly. + // Request the permission. The download dialog will be launched by `onRequestPermissionResult()`. + ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_IMAGE_REQUEST_CODE); + } + } else { // The storage permission has already been granted. + // Get a handle for the download image alert dialog. + DialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl); - case R.id.user_agent_chrome_on_windows: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[8]); + // Show the download image alert dialog. + downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)); + } + } - // Reload the current WebView. - currentWebView.reload(); - return true; + // Consume the event. + return true; + }); - case R.id.user_agent_edge_on_windows: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[9]); + // Add a Copy URL entry. + menu.add(R.string.copy_url).setOnMenuItemClickListener((MenuItem item) -> { + // Save the image URL in a clip data. + ClipData imageTypeClipData = ClipData.newPlainText(getString(R.string.url), imageUrl); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Set the clip data as the clipboard's primary clip. + clipboardManager.setPrimaryClip(imageTypeClipData); - case R.id.user_agent_internet_explorer_on_windows: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[10]); + // Consume the event. + return true; + }); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Add an Open with App entry. + menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> { + // Open the image URL with an external app. + openWithApp(imageUrl); - case R.id.user_agent_safari_on_macos: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[11]); + // Consume the event. + return true; + }); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Add an Open with Browser entry. + menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> { + // Open the image URL with an external browser. + openWithBrowser(imageUrl); - case R.id.user_agent_custom: - // Update the user agent. - currentWebView.getSettings().setUserAgentString(sharedPreferences.getString("custom_user_agent", getString(R.string.custom_user_agent_default_value))); + // Consume the event. + return true; + }); - // Reload the current WebView. - currentWebView.reload(); - return true; + // Add a Cancel entry, which by default closes the context menu. + menu.add(R.string.cancel); + break; - case R.id.font_size_twenty_five_percent: - currentWebView.getSettings().setTextZoom(25); - return true; + // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link. + case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE: + // Get the image URL. + imageUrl = hitTestResult.getExtra(); - case R.id.font_size_fifty_percent: - currentWebView.getSettings().setTextZoom(50); - return true; + // Instantiate a handler. + Handler handler = new Handler(); - case R.id.font_size_seventy_five_percent: - currentWebView.getSettings().setTextZoom(75); - return true; + // Get a message from the handler. + Message message = handler.obtainMessage(); - case R.id.font_size_one_hundred_percent: - currentWebView.getSettings().setTextZoom(100); - return true; + // Request the image details from the last touched node be returned in the message. + currentWebView.requestFocusNodeHref(message); - case R.id.font_size_one_hundred_twenty_five_percent: - currentWebView.getSettings().setTextZoom(125); - return true; + // Get the link URL from the message data. + linkUrl = message.getData().getString("url"); - case R.id.font_size_one_hundred_fifty_percent: - currentWebView.getSettings().setTextZoom(150); - return true; + // Set the link URL as the title of the context menu. + menu.setHeaderTitle(linkUrl); - case R.id.font_size_one_hundred_seventy_five_percent: - currentWebView.getSettings().setTextZoom(175); - return true; + // Add an Open in New Tab entry. + menu.add(R.string.open_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> { + // Load the link URL in a new tab and move to it. + addNewTab(linkUrl, true); - case R.id.font_size_two_hundred_percent: - currentWebView.getSettings().setTextZoom(200); - return true; + // Consume the event. + return true; + }); - case R.id.swipe_to_refresh: - // Get a handle for the swipe refresh layout. - SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); + // Add an Open in Background entry. + menu.add(R.string.open_in_background).setOnMenuItemClickListener((MenuItem item) -> { + // Lod the link URL in a new tab but do not move to it. + addNewTab(linkUrl, false); - // Toggle swipe to refresh. - swipeRefreshLayout.setEnabled(!swipeRefreshLayout.isEnabled()); - return true; + // Consume the event. + return true; + }); - case R.id.display_images: - if (currentWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically. - // Disable loading of images. - currentWebView.getSettings().setLoadsImagesAutomatically(false); + // Add an Open Image in New Tab entry. + menu.add(R.string.open_image_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> { + // Load the image in a new tab and move to it. + addNewTab(imageUrl, true); - // Reload the website to remove existing images. - currentWebView.reload(); - } else { // Images are not currently loaded automatically. - // Enable loading of images. Missing images will be loaded without the need for a reload. - currentWebView.getSettings().setLoadsImagesAutomatically(true); - } - return true; + // Consume the event. + return true; + }); - case R.id.night_mode: - // Toggle night mode. - nightMode = !nightMode; + // Add a View Image entry. + menu.add(R.string.view_image).setOnMenuItemClickListener((MenuItem item) -> { + // View the image in the current tab. + loadUrl(imageUrl); - // Enable or disable JavaScript according to night mode, the global preference, and any domain settings. - if (nightMode) { // Night mode is enabled, which requires JavaScript. - // Enable JavaScript. - currentWebView.getSettings().setJavaScriptEnabled(true); - } else if (currentWebView.getDomainSettingsApplied()) { // Night mode is disabled and domain settings are applied. Set JavaScript according to the domain settings. - // Apply the JavaScript preference that was stored the last time domain settings were loaded. - currentWebView.getSettings().setJavaScriptEnabled(domainSettingsJavaScriptEnabled); - } else { // Night mode is disabled and domain settings are not applied. Set JavaScript according to the global preference. - // Apply the JavaScript preference. - currentWebView.getSettings().setJavaScriptEnabled(sharedPreferences.getBoolean("javascript", false)); - } + // Consume the event. + return true; + }); - // Update the privacy icons. - updatePrivacyIcons(false); + // Add a Download Image entry. + menu.add(R.string.download_image).setOnMenuItemClickListener((MenuItem item) -> { + // Check if the download should be processed by an external app. + if (sharedPreferences.getBoolean("download_with_external_app", false)) { // Download with an external app. + openUrlWithExternalApp(imageUrl); + } else { // Download with Android's download manager. + // Check to see if the storage permission has already been granted. + if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) { // The storage permission needs to be requested. + // Store the image URL for use by `onRequestPermissionResult()`. + downloadImageUrl = imageUrl; - // Reload the website. - currentWebView.reload(); - return true; + // Show a dialog if the user has previously denied the permission. + if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first. + // Instantiate the download location permission alert dialog and set the download type to DOWNLOAD_IMAGE. + DialogFragment downloadLocationPermissionDialogFragment = DownloadLocationPermissionDialog.downloadType(DownloadLocationPermissionDialog.DOWNLOAD_IMAGE); - case R.id.find_on_page: - // Get a handle for the views. - Toolbar toolbar = findViewById(R.id.toolbar); - LinearLayout findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout); + // Show the download location permission alert dialog. The permission will be requested when the dialog is closed. + downloadLocationPermissionDialogFragment.show(fragmentManager, getString(R.string.download_location)); + } else { // Show the permission request directly. + // Request the permission. The download dialog will be launched by `onRequestPermissionResult()`. + ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_IMAGE_REQUEST_CODE); + } + } else { // The storage permission has already been granted. + // Get a handle for the download image alert dialog. + DialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl); - // Hide the toolbar. - toolbar.setVisibility(View.GONE); + // Show the download image alert dialog. + downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)); + } + } - // Show the find on page linear layout. - findOnPageLinearLayout.setVisibility(View.VISIBLE); + // Consume the event. + return true; + }); - // Display the keyboard. The app must wait 200 ms before running the command to work around a bug in Android. - // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working - findOnPageEditText.postDelayed(() -> { - // Set the focus on `findOnPageEditText`. - findOnPageEditText.requestFocus(); + // Add a Copy URL entry. + menu.add(R.string.copy_url).setOnMenuItemClickListener((MenuItem item) -> { + // Save the link URL in a clip data. + ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), linkUrl); - // Display the keyboard. `0` sets no input flags. - inputMethodManager.showSoftInput(findOnPageEditText, 0); - }, 200); - return true; + // Set the clip data as the clipboard's primary clip. + clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData); - case R.id.view_source: - // Create an intent to launch the view source activity. - Intent viewSourceIntent = new Intent(this, ViewSourceActivity.class); + // Consume the event. + return true; + }); - // Add the user agent as an extra to the intent. - viewSourceIntent.putExtra("user_agent", currentWebView.getSettings().getUserAgentString()); + // Add an Open with App entry. + menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> { + // Open the link URL with an external app. + openWithApp(linkUrl); - // Make it so. - startActivity(viewSourceIntent); - return true; + // Consume the event. + return true; + }); - case R.id.share_url: - // Setup the share string. - String shareString = currentWebView.getTitle() + " – " + formattedUrlString; + // Add an Open with Browser entry. + menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> { + // Open the link URL with an external browser. + openWithBrowser(linkUrl); - // Create the share intent. - Intent shareIntent = new Intent(Intent.ACTION_SEND); - shareIntent.putExtra(Intent.EXTRA_TEXT, shareString); - shareIntent.setType("text/plain"); + // Consume the event. + return true; + }); - // Make it so. - startActivity(Intent.createChooser(shareIntent, getString(R.string.share_url))); - return true; + // Add a cancel entry, which by default closes the context menu. + menu.add(R.string.cancel); + break; + } + } - case R.id.print: - // Get a `PrintManager` instance. - PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE); + @Override + public void onCreateBookmark(DialogFragment dialogFragment, Bitmap favoriteIconBitmap) { + // Get a handle for the bookmarks list view. + ListView bookmarksListView = findViewById(R.id.bookmarks_drawer_listview); - // Create a print document adapter form the current WebView. - PrintDocumentAdapter printDocumentAdapter = currentWebView.createPrintDocumentAdapter(); + // Get the dialog. + Dialog dialog = dialogFragment.getDialog(); - // Remove the lint error below that `printManager` might be `null`. - assert printManager != null; + // Remove the incorrect lint warning below that the dialog might be null. + assert dialog != null; - // Print the document. The print attributes are `null`. - printManager.print(getString(R.string.privacy_browser_web_page), printDocumentAdapter, null); - return true; + // Get the views from the dialog fragment. + EditText createBookmarkNameEditText = dialog.findViewById(R.id.create_bookmark_name_edittext); + EditText createBookmarkUrlEditText = dialog.findViewById(R.id.create_bookmark_url_edittext); - case R.id.open_with_app: - openWithApp(formattedUrlString); - return true; + // Extract the strings from the edit texts. + String bookmarkNameString = createBookmarkNameEditText.getText().toString(); + String bookmarkUrlString = createBookmarkUrlEditText.getText().toString(); - case R.id.open_with_browser: - openWithBrowser(formattedUrlString); - return true; + // Create a favorite icon byte array output stream. + ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream(); - case R.id.add_to_homescreen: - // Instantiate the create home screen shortcut dialog. - DialogFragment createHomeScreenShortcutDialogFragment = CreateHomeScreenShortcutDialog.createDialog(currentWebView.getTitle(), formattedUrlString, currentWebView.getFavoriteOrDefaultIcon()); + // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). + favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream); - // Show the create home screen shortcut dialog. - createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getString(R.string.create_shortcut)); - return true; + // Convert the favorite icon byte array stream to a byte array. + byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray(); - case R.id.proxy_through_orbot: - // Toggle the proxy through Orbot variable. - proxyThroughOrbot = !proxyThroughOrbot; + // Display the new bookmark below the current items in the (0 indexed) list. + int newBookmarkDisplayOrder = bookmarksListView.getCount(); - // Apply the proxy through Orbot settings. - applyProxyThroughOrbot(true); - return true; + // Create the bookmark. + bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, currentBookmarksFolder, newBookmarkDisplayOrder, favoriteIconByteArray); - case R.id.refresh: - if (menuItem.getTitle().equals(getString(R.string.refresh))) { // The refresh button was pushed. - // Reload the current WebView. - currentWebView.reload(); - } else { // The stop button was pushed. - // Stop the loading of the WebView. - currentWebView.stopLoading(); - } - return true; + // Update the bookmarks cursor with the current contents of this folder. + bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder); - case R.id.ad_consent: - // Display the ad consent dialog. - DialogFragment adConsentDialogFragment = new AdConsentDialog(); - adConsentDialogFragment.show(getSupportFragmentManager(), getString(R.string.ad_consent)); - return true; + // Update the list view. + bookmarksCursorAdapter.changeCursor(bookmarksCursor); - default: - // Don't consume the event. - return super.onOptionsItemSelected(menuItem); - } + // Scroll to the new bookmark. + bookmarksListView.setSelection(newBookmarkDisplayOrder); } - // removeAllCookies is deprecated, but it is required for API < 21. - @SuppressWarnings("deprecation") @Override - public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) { - // Get the menu item ID. - int menuItemId = menuItem.getItemId(); - - // Run the commands that correspond to the selected menu item. - switch (menuItemId) { - case R.id.close_tab: - // Get a handle for the tab layout and the view pager. - TabLayout tabLayout = findViewById(R.id.tablayout); - ViewPager webViewPager = findViewById(R.id.webviewpager); + public void onCreateBookmarkFolder(DialogFragment dialogFragment, Bitmap favoriteIconBitmap) { + // Get a handle for the bookmarks list view. + ListView bookmarksListView = findViewById(R.id.bookmarks_drawer_listview); - // Get the current tab number. - int currentTabNumber = tabLayout.getSelectedTabPosition(); + // Get the dialog. + Dialog dialog = dialogFragment.getDialog(); - // Delete the current tab. - tabLayout.removeTabAt(currentTabNumber); + // Remove the incorrect lint warning below that the dialog might be null. + assert dialog != null; - // Delete the current page. If the selected page number did not change during the delete, it will return true, meaning that the current WebView must be reset. - if (webViewPagerAdapter.deletePage(currentTabNumber, webViewPager)) { - setCurrentWebView(currentTabNumber); - } - break; + // Get handles for the views in the dialog fragment. + EditText createFolderNameEditText = dialog.findViewById(R.id.create_folder_name_edittext); + RadioButton defaultFolderIconRadioButton = dialog.findViewById(R.id.create_folder_default_icon_radiobutton); + ImageView folderIconImageView = dialog.findViewById(R.id.create_folder_default_icon); - case R.id.clear_and_exit: - // Close the bookmarks cursor and database. - bookmarksCursor.close(); - bookmarksDatabaseHelper.close(); + // Get new folder name string. + String folderNameString = createFolderNameEditText.getText().toString(); - // Get a handle for the shared preferences. - SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + // Create a folder icon bitmap. + Bitmap folderIconBitmap; - // Get the status of the clear everything preference. - boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true); + // Set the folder icon bitmap according to the dialog. + if (defaultFolderIconRadioButton.isChecked()) { // Use the default folder icon. + // Get the default folder icon drawable. + Drawable folderIconDrawable = folderIconImageView.getDrawable(); - // Get a handle for the runtime. - Runtime runtime = Runtime.getRuntime(); + // Convert the folder icon drawable to a bitmap drawable. + BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable; - // Clear cookies. - if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) { - // The command to remove cookies changed slightly in API 21. - if (Build.VERSION.SDK_INT >= 21) { - CookieManager.getInstance().removeAllCookies(null); - } else { - CookieManager.getInstance().removeAllCookie(); - } + // Convert the folder icon bitmap drawable to a bitmap. + folderIconBitmap = folderIconBitmapDrawable.getBitmap(); + } else { // Use the WebView favorite icon. + // Copy the favorite icon bitmap to the folder icon bitmap. + folderIconBitmap = favoriteIconBitmap; + } - // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run. - try { - // Two commands must be used because `Runtime.exec()` does not like `*`. - Process deleteCookiesProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies"); - Process deleteCookiesJournalProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal"); - - // Wait until the processes have finished. - deleteCookiesProcess.waitFor(); - deleteCookiesJournalProcess.waitFor(); - } catch (Exception exception) { - // Do nothing if an error is thrown. - } - } + // Create a folder icon byte array output stream. + ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream(); - // Clear DOM storage. - if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) { - // Ask `WebStorage` to clear the DOM storage. - WebStorage webStorage = WebStorage.getInstance(); - webStorage.deleteAllData(); + // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). + folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream); - // Manually delete the DOM storage files and directories, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run. - try { - // A `String[]` must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly. - Process deleteLocalStorageProcess = runtime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"}); - - // Multiple commands must be used because `Runtime.exec()` does not like `*`. - Process deleteIndexProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/IndexedDB"); - Process deleteQuotaManagerProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager"); - Process deleteQuotaManagerJournalProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager-journal"); - Process deleteDatabaseProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/databases"); - - // Wait until the processes have finished. - deleteLocalStorageProcess.waitFor(); - deleteIndexProcess.waitFor(); - deleteQuotaManagerProcess.waitFor(); - deleteQuotaManagerJournalProcess.waitFor(); - deleteDatabaseProcess.waitFor(); - } catch (Exception exception) { - // Do nothing if an error is thrown. - } - } + // Convert the folder icon byte array stream to a byte array. + byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray(); - // Clear form data if the API < 26. - if ((Build.VERSION.SDK_INT < 26) && (clearEverything || sharedPreferences.getBoolean("clear_form_data", true))) { - WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this); - webViewDatabase.clearFormData(); + // Move all the bookmarks down one in the display order. + for (int i = 0; i < bookmarksListView.getCount(); i++) { + int databaseId = (int) bookmarksListView.getItemIdAtPosition(i); + bookmarksDatabaseHelper.updateDisplayOrder(databaseId, i + 1); + } - // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run. - try { - // A string array must be used because the database contains a space and `Runtime.exec` will not otherwise escape the string correctly. - Process deleteWebDataProcess = runtime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"}); - Process deleteWebDataJournalProcess = runtime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"}); - - // Wait until the processes have finished. - deleteWebDataProcess.waitFor(); - deleteWebDataJournalProcess.waitFor(); - } catch (Exception exception) { - // Do nothing if an error is thrown. - } - } + // Create the folder, which will be placed at the top of the `ListView`. + bookmarksDatabaseHelper.createFolder(folderNameString, currentBookmarksFolder, folderIconByteArray); - // Clear the cache. - if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) { - // Clear the cache from each WebView. - for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { - // Get the WebView tab fragment. - WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); + // Update the bookmarks cursor with the current contents of this folder. + bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder); - // Get the fragment view. - View fragmentView = webViewTabFragment.getView(); + // Update the `ListView`. + bookmarksCursorAdapter.changeCursor(bookmarksCursor); - // Only clear the cache if the WebView exists. - if (fragmentView != null) { - // Get the nested scroll WebView from the tab fragment. - NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + // Scroll to the new folder. + bookmarksListView.setSelection(0); + } - // Clear the cache for this WebView. - nestedScrollWebView.clearCache(true); - } - } + @Override + public void onSaveBookmark(DialogFragment dialogFragment, int selectedBookmarkDatabaseId, Bitmap favoriteIconBitmap) { + // Get the dialog. + Dialog dialog = dialogFragment.getDialog(); - // Manually delete the cache directories. - try { - // Delete the main cache directory. - Process deleteCacheProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/cache"); + // Remove the incorrect lint warning below that the dialog might be null. + assert dialog != null; - // Delete the secondary `Service Worker` cache directory. - // A string array must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly. - Process deleteServiceWorkerProcess = runtime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"}); + // Get handles for the views from the dialog. + EditText editBookmarkNameEditText = dialog.findViewById(R.id.edit_bookmark_name_edittext); + EditText editBookmarkUrlEditText = dialog.findViewById(R.id.edit_bookmark_url_edittext); + RadioButton currentBookmarkIconRadioButton = dialog.findViewById(R.id.edit_bookmark_current_icon_radiobutton); - // Wait until the processes have finished. - deleteCacheProcess.waitFor(); - deleteServiceWorkerProcess.waitFor(); - } catch (Exception exception) { - // Do nothing if an error is thrown. - } - } + // Store the bookmark strings. + String bookmarkNameString = editBookmarkNameEditText.getText().toString(); + String bookmarkUrlString = editBookmarkUrlEditText.getText().toString(); - // Wipe out each WebView. - for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { - // Get the WebView tab fragment. - WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); + // Update the bookmark. + if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon. + bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString); + } else { // Update the bookmark using the `WebView` favorite icon. + // Create a favorite icon byte array output stream. + ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream(); - // Get the fragment view. - View fragmentView = webViewTabFragment.getView(); + // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). + favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream); - // Only wipe out the WebView if it exists. - if (fragmentView != null) { - // Get the nested scroll WebView from the tab fragment. - NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + // Convert the favorite icon byte array stream to a byte array. + byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray(); - // Clear SSL certificate preferences for this WebView. - nestedScrollWebView.clearSslPreferences(); + // Update the bookmark and the favorite icon. + bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray); + } - // Clear the back/forward history for this WebView. - nestedScrollWebView.clearHistory(); + // Update the bookmarks cursor with the current contents of this folder. + bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder); - // Destroy the internal state of `mainWebView`. - nestedScrollWebView.destroy(); - } - } + // Update the list view. + bookmarksCursorAdapter.changeCursor(bookmarksCursor); + } - // Clear the formatted URL string. - formattedUrlString = null; + @Override + public void onSaveBookmarkFolder(DialogFragment dialogFragment, int selectedFolderDatabaseId, Bitmap favoriteIconBitmap) { + // Get the dialog. + Dialog dialog = dialogFragment.getDialog(); - // Clear the custom headers. - customHeaders.clear(); + // Remove the incorrect lint warning below that the dialog might be null. + assert dialog != null; - // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache. - // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`. - if (clearEverything) { - try { - // Delete the folder. - Process deleteAppWebviewProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview"); + // Get handles for the views from `dialogFragment`. + EditText editFolderNameEditText = dialog.findViewById(R.id.edit_folder_name_edittext); + RadioButton currentFolderIconRadioButton = dialog.findViewById(R.id.edit_folder_current_icon_radiobutton); + RadioButton defaultFolderIconRadioButton = dialog.findViewById(R.id.edit_folder_default_icon_radiobutton); + ImageView defaultFolderIconImageView = dialog.findViewById(R.id.edit_folder_default_icon_imageview); - // Wait until the process has finished. - deleteAppWebviewProcess.waitFor(); - } catch (Exception exception) { - // Do nothing if an error is thrown. - } - } + // Get the new folder name. + String newFolderNameString = editFolderNameEditText.getText().toString(); - // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list. - if (Build.VERSION.SDK_INT >= 21) { - finishAndRemoveTask(); - } else { - finish(); - } + // Check if the favorite icon has changed. + if (currentFolderIconRadioButton.isChecked()) { // Only the name has changed. + // Update the name in the database. + bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString); + } else if (!currentFolderIconRadioButton.isChecked() && newFolderNameString.equals(oldFolderNameString)) { // Only the icon has changed. + // Create the new folder icon Bitmap. + Bitmap folderIconBitmap; - // Remove the terminated program from RAM. The status code is `0`. - System.exit(0); - break; + // Populate the new folder icon bitmap. + if (defaultFolderIconRadioButton.isChecked()) { + // Get the default folder icon drawable. + Drawable folderIconDrawable = defaultFolderIconImageView.getDrawable(); - case R.id.home: - loadUrl(homepage); - break; + // Convert the folder icon drawable to a bitmap drawable. + BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable; - case R.id.back: - if (currentWebView.canGoBack()) { - // Reset the formatted URL string so the page will load correctly if blocking of third-party requests is enabled. - formattedUrlString = ""; + // Convert the folder icon bitmap drawable to a bitmap. + folderIconBitmap = folderIconBitmapDrawable.getBitmap(); + } else { // Use the `WebView` favorite icon. + // Copy the favorite icon bitmap to the folder icon bitmap. + folderIconBitmap = favoriteIconBitmap; + } - // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded. - navigatingHistory = true; + // Create a folder icon byte array output stream. + ByteArrayOutputStream newFolderIconByteArrayOutputStream = new ByteArrayOutputStream(); - // Load the previous website in the history. - currentWebView.goBack(); - } - break; + // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). + folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream); - case R.id.forward: - if (currentWebView.canGoForward()) { - // Reset the formatted URL string so the page will load correctly if blocking of third-party requests is enabled. - formattedUrlString = ""; + // Convert the folder icon byte array stream to a byte array. + byte[] newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray(); - // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded. - navigatingHistory = true; + // Update the folder icon in the database. + bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, newFolderIconByteArray); + } else { // The folder icon and the name have changed. + // Get the new folder icon `Bitmap`. + Bitmap folderIconBitmap; + if (defaultFolderIconRadioButton.isChecked()) { + // Get the default folder icon drawable. + Drawable folderIconDrawable = defaultFolderIconImageView.getDrawable(); - // Load the next website in the history. - currentWebView.goForward(); - } - break; + // Convert the folder icon drawable to a bitmap drawable. + BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable; - case R.id.history: - // Get the `WebBackForwardList`. - WebBackForwardList webBackForwardList = currentWebView.copyBackForwardList(); + // Convert the folder icon bitmap drawable to a bitmap. + folderIconBitmap = folderIconBitmapDrawable.getBitmap(); + } else { // Use the `WebView` favorite icon. + // Copy the favorite icon bitmap to the folder icon bitmap. + folderIconBitmap = favoriteIconBitmap; + } - // Show the URL history dialog and name this instance `R.string.history`. - DialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList); - urlHistoryDialogFragment.show(getSupportFragmentManager(), getString(R.string.history)); - break; + // Create a folder icon byte array output stream. + ByteArrayOutputStream newFolderIconByteArrayOutputStream = new ByteArrayOutputStream(); - case R.id.requests: - // Populate the resource requests. - RequestsActivity.resourceRequests = currentWebView.getResourceRequests(); + // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). + folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream); - // Create an intent to launch the Requests activity. - Intent requestsIntent = new Intent(this, RequestsActivity.class); + // Convert the folder icon byte array stream to a byte array. + byte[] newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray(); - // Add the block third-party requests status to the intent. - requestsIntent.putExtra("block_all_third_party_requests", currentWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)); + // Update the folder name and icon in the database. + bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, newFolderIconByteArray); + } - // Make it so. - startActivity(requestsIntent); - break; + // Update the bookmarks cursor with the current contents of this folder. + bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder); - case R.id.downloads: - // Launch the system Download Manager. - Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS); + // Update the `ListView`. + bookmarksCursorAdapter.changeCursor(bookmarksCursor); + } - // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list. - downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + @Override + public void onCloseDownloadLocationPermissionDialog(int downloadType) { + switch (downloadType) { + case DownloadLocationPermissionDialog.DOWNLOAD_FILE: + // Request the WRITE_EXTERNAL_STORAGE permission with a file request code. + ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_FILE_REQUEST_CODE); + break; - startActivity(downloadManagerIntent); + case DownloadLocationPermissionDialog.DOWNLOAD_IMAGE: + // Request the WRITE_EXTERNAL_STORAGE permission with an image request code. + ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_IMAGE_REQUEST_CODE); break; + } + } - case R.id.domains: - // Set the flag to reapply the domain settings on restart when returning from Domain Settings. - reapplyDomainSettingsOnRestart = true; - currentWebView.resetCurrentDomainName(); // TODO. Do this for all tabs. + @Override + public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { + // Get a handle for the fragment manager. + FragmentManager fragmentManager = getSupportFragmentManager(); + + switch (requestCode) { + case DOWNLOAD_FILE_REQUEST_CODE: + // Show the download file alert dialog. When the dialog closes, the correct command will be used based on the permission status. + DialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(downloadUrl, downloadContentDisposition, downloadContentLength); - // TODO. Move these to `putExtra`. The certificate can be stored as strings. - // Store the current SSL certificate and IP addresses in the domains activity. - DomainsActivity.currentSslCertificate = currentWebView.getCertificate(); - DomainsActivity.currentIpAddresses = currentWebView.getCurrentIpAddresses(); + // On API 23, displaying the fragment must be delayed or the app will crash. + if (Build.VERSION.SDK_INT == 23) { + new Handler().postDelayed(() -> downloadFileDialogFragment.show(fragmentManager, getString(R.string.download)), 500); + } else { + downloadFileDialogFragment.show(fragmentManager, getString(R.string.download)); + } - // Launch the domains activity. - Intent domainsIntent = new Intent(this, DomainsActivity.class); - startActivity(domainsIntent); + // Reset the download variables. + downloadUrl = ""; + downloadContentDisposition = ""; + downloadContentLength = 0; break; - case R.id.settings: - // Set the flag to reapply app settings on restart when returning from Settings. - reapplyAppSettingsOnRestart = true; + case DOWNLOAD_IMAGE_REQUEST_CODE: + // Show the download image alert dialog. When the dialog closes, the correct command will be used based on the permission status. + DialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(downloadImageUrl); - // Set the flag to reapply the domain settings on restart when returning from Settings. - reapplyDomainSettingsOnRestart = true; - currentWebView.resetCurrentDomainName(); // TODO. Do this for all tabs. + // On API 23, displaying the fragment must be delayed or the app will crash. + if (Build.VERSION.SDK_INT == 23) { + new Handler().postDelayed(() -> downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)), 500); + } else { + downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)); + } - // Launch the settings activity. - Intent settingsIntent = new Intent(this, SettingsActivity.class); - startActivity(settingsIntent); + // Reset the image URL variable. + downloadImageUrl = ""; break; - case R.id.import_export: - // Launch the import/export activity. - Intent importExportIntent = new Intent (this, ImportExportActivity.class); - startActivity(importExportIntent); - break; + case SAVE_WEBPAGE_IMAGE_REQUEST_CODE: + // Check to see if the storage permission was granted. If the dialog was canceled the grant result will be empty. + if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) { // The storage permission was granted. + // Save the webpage image. + new SaveWebpageImage(this, currentWebView).execute(saveWebsiteImageFilePath); + } else { // The storage permission was not granted. + // Display an error snackbar. + Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show(); + } - case R.id.logcat: - // Launch the logcat activity. - Intent logcatIntent = new Intent(this, LogcatActivity.class); - startActivity(logcatIntent); + // Reset the save website image file path. + saveWebsiteImageFilePath = ""; break; + } + } - case R.id.guide: - // Launch `GuideActivity`. - Intent guideIntent = new Intent(this, GuideActivity.class); - startActivity(guideIntent); - break; + @Override + public void onDownloadImage(DialogFragment dialogFragment, String imageUrl) { + // Download the image if it has an HTTP or HTTPS URI. + if (imageUrl.startsWith("http")) { + // Get a handle for the system `DOWNLOAD_SERVICE`. + DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); - case R.id.about: - // Launch `AboutActivity`. - Intent aboutIntent = new Intent(this, AboutActivity.class); - startActivity(aboutIntent); - break; - } + // Parse `imageUrl`. + DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl)); - // Get a handle for the drawer layout. - DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); + // Get a handle for the cookie manager. + CookieManager cookieManager = CookieManager.getInstance(); - // Close the navigation drawer. - drawerLayout.closeDrawer(GravityCompat.START); - return true; - } + // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login. + // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner . + if (cookieManager.acceptCookie()) { + // Get the cookies for `imageUrl`. + String cookies = cookieManager.getCookie(imageUrl); - @Override - public void onPostCreate(Bundle savedInstanceState) { - // Run the default commands. - super.onPostCreate(savedInstanceState); + // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`. + downloadRequest.addRequestHeader("Cookie", cookies); + } - // Sync the state of the DrawerToggle after the default `onRestoreInstanceState()` has finished. This creates the navigation drawer icon. - actionBarDrawerToggle.syncState(); - } + // Get the dialog. + Dialog dialog = dialogFragment.getDialog(); - @Override - public void onConfigurationChanged(Configuration newConfig) { - // Run the default commands. - super.onConfigurationChanged(newConfig); + // Remove the incorrect lint warning below that the dialog might be null. + assert dialog != null; - // Get the status bar pixel size. - int statusBarResourceId = getResources().getIdentifier("status_bar_height", "dimen", "android"); - int statusBarPixelSize = getResources().getDimensionPixelSize(statusBarResourceId); + // Get the file name from the dialog fragment. + EditText downloadImageNameEditText = dialog.findViewById(R.id.download_image_name); + String imageName = downloadImageNameEditText.getText().toString(); - // Get the resource density. - float screenDensity = getResources().getDisplayMetrics().density; + // Specify the download location. + if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // External write permission granted. + // Download to the public download directory. + downloadRequest.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, imageName); + } else { // External write permission denied. + // Download to the app's external download directory. + downloadRequest.setDestinationInExternalFilesDir(this, Environment.DIRECTORY_DOWNLOADS, imageName); + } - // Recalculate the drawer header padding. - drawerHeaderPaddingLeftAndRight = (int) (15 * screenDensity); - drawerHeaderPaddingTop = statusBarPixelSize + (int) (4 * screenDensity); - drawerHeaderPaddingBottom = (int) (8 * screenDensity); + // Allow `MediaScanner` to index the download if it is a media file. + downloadRequest.allowScanningByMediaScanner(); - // Reload the ad for the free flavor if not in full screen mode. - if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) { - // Reload the ad. The AdView is destroyed and recreated, which changes the ID, every time it is reloaded to handle possible rotations. - AdHelper.loadAd(findViewById(R.id.adview), getApplicationContext(), getString(R.string.ad_unit_id)); - } + // Add the URL as the description for the download. + downloadRequest.setDescription(imageUrl); - // `invalidateOptionsMenu` should recalculate the number of action buttons from the menu to display on the app bar, but it doesn't because of the this bug: - // https://code.google.com/p/android/issues/detail?id=20493#c8 - // ActivityCompat.invalidateOptionsMenu(this); + // Show the download notification after the download is completed. + downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); + + // Remove the lint warning below that `downloadManager` might be `null`. + assert downloadManager != null; + + // Initiate the download. + downloadManager.enqueue(downloadRequest); + } else { // The image is not an HTTP or HTTPS URI. + Snackbar.make(currentWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show(); + } } @Override - public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) { - // Store the `HitTestResult`. - final WebView.HitTestResult hitTestResult = currentWebView.getHitTestResult(); + public void onDownloadFile(DialogFragment dialogFragment, String downloadUrl) { + // Download the file if it has an HTTP or HTTPS URI. + if (downloadUrl.startsWith("http")) { + // Get a handle for the system `DOWNLOAD_SERVICE`. + DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); - // Create strings. - final String imageUrl; - final String linkUrl; + // Parse `downloadUrl`. + DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl)); - // Get a handle for the the clipboard and fragment managers. - final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE); - FragmentManager fragmentManager = getSupportFragmentManager(); + // Get a handle for the cookie manager. + CookieManager cookieManager = CookieManager.getInstance(); - // Remove the lint errors below that `clipboardManager` might be `null`. - assert clipboardManager != null; + // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login. + // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner . + if (cookieManager.acceptCookie()) { + // Get the cookies for `downloadUrl`. + String cookies = cookieManager.getCookie(downloadUrl); - switch (hitTestResult.getType()) { - // `SRC_ANCHOR_TYPE` is a link. - case WebView.HitTestResult.SRC_ANCHOR_TYPE: - // Get the target URL. - linkUrl = hitTestResult.getExtra(); + // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`. + downloadRequest.addRequestHeader("Cookie", cookies); + } - // Set the target URL as the title of the `ContextMenu`. - menu.setHeaderTitle(linkUrl); + // Get the dialog. + Dialog dialog = dialogFragment.getDialog(); - // Add a Load URL entry. - menu.add(R.string.load_url).setOnMenuItemClickListener((MenuItem item) -> { - loadUrl(linkUrl); - return false; - }); + // Remove the incorrect lint warning below that the dialog might be null. + assert dialog != null; - // Add a Copy URL entry. - menu.add(R.string.copy_url).setOnMenuItemClickListener((MenuItem item) -> { - // Save the link URL in a `ClipData`. - ClipData srcAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), linkUrl); + // Get the file name from the dialog. + EditText downloadFileNameEditText = dialog.findViewById(R.id.download_file_name); + String fileName = downloadFileNameEditText.getText().toString(); - // Set the `ClipData` as the clipboard's primary clip. - clipboardManager.setPrimaryClip(srcAnchorTypeClipData); - return false; - }); + // Specify the download location. + if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // External write permission granted. + // Download to the public download directory. + downloadRequest.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName); + } else { // External write permission denied. + // Download to the app's external download directory. + downloadRequest.setDestinationInExternalFilesDir(this, Environment.DIRECTORY_DOWNLOADS, fileName); + } - // Add a Download URL entry. - menu.add(R.string.download_url).setOnMenuItemClickListener((MenuItem item) -> { - // Check if the download should be processed by an external app. - if (downloadWithExternalApp) { // Download with an external app. - openUrlWithExternalApp(linkUrl); - } else { // Download with Android's download manager. - // Check to see if the storage permission has already been granted. - if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) { // The storage permission needs to be requested. - // Store the variables for future use by `onRequestPermissionsResult()`. - downloadUrl = linkUrl; - downloadContentDisposition = "none"; - downloadContentLength = -1; + // Allow `MediaScanner` to index the download if it is a media file. + downloadRequest.allowScanningByMediaScanner(); - // Show a dialog if the user has previously denied the permission. - if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first. - // Instantiate the download location permission alert dialog and set the download type to DOWNLOAD_FILE. - DialogFragment downloadLocationPermissionDialogFragment = DownloadLocationPermissionDialog.downloadType(DownloadLocationPermissionDialog.DOWNLOAD_FILE); + // Add the URL as the description for the download. + downloadRequest.setDescription(downloadUrl); - // Show the download location permission alert dialog. The permission will be requested when the the dialog is closed. - downloadLocationPermissionDialogFragment.show(fragmentManager, getString(R.string.download_location)); - } else { // Show the permission request directly. - // Request the permission. The download dialog will be launched by `onRequestPermissionResult()`. - ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_FILE_REQUEST_CODE); - } - } else { // The storage permission has already been granted. - // Get a handle for the download file alert dialog. - DialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(linkUrl, "none", -1); + // Show the download notification after the download is completed. + downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); - // Show the download file alert dialog. - downloadFileDialogFragment.show(fragmentManager, getString(R.string.download)); - } - } - return false; - }); + // Remove the lint warning below that `downloadManager` might be `null`. + assert downloadManager != null; - // Add an Open with App entry. - menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> { - openWithApp(linkUrl); - return false; - }); + // Initiate the download. + downloadManager.enqueue(downloadRequest); + } else { // The download is not an HTTP or HTTPS URI. + Snackbar.make(currentWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show(); + } + } - // Add an Open with Browser entry. - menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> { - openWithBrowser(linkUrl); - return false; - }); + // Override `onBackPressed` to handle the navigation drawer and and the WebViews. + @Override + public void onBackPressed() { + // Get a handle for the drawer layout and the tab layout. + DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); + TabLayout tabLayout = findViewById(R.id.tablayout); + + if (drawerLayout.isDrawerVisible(GravityCompat.START)) { // The navigation drawer is open. + // Close the navigation drawer. + drawerLayout.closeDrawer(GravityCompat.START); + } else if (drawerLayout.isDrawerVisible(GravityCompat.END)){ // The bookmarks drawer is open. + if (currentBookmarksFolder.isEmpty()) { // The home folder is displayed. + // close the bookmarks drawer. + drawerLayout.closeDrawer(GravityCompat.END); + } else { // A subfolder is displayed. + // Place the former parent folder in `currentFolder`. + currentBookmarksFolder = bookmarksDatabaseHelper.getParentFolderName(currentBookmarksFolder); - // Add a Cancel entry, which by default closes the context menu. - menu.add(R.string.cancel); - break; + // Load the new folder. + loadBookmarksFolder(); + } + } else if (displayingFullScreenVideo) { // A full screen video is shown. + // Get a handle for the layouts. + FrameLayout rootFrameLayout = findViewById(R.id.root_framelayout); + RelativeLayout mainContentRelativeLayout = findViewById(R.id.main_content_relativelayout); + FrameLayout fullScreenVideoFrameLayout = findViewById(R.id.full_screen_video_framelayout); - case WebView.HitTestResult.EMAIL_TYPE: - // Get the target URL. - linkUrl = hitTestResult.getExtra(); + // Re-enable the screen timeout. + fullScreenVideoFrameLayout.setKeepScreenOn(false); - // Set the target URL as the title of the `ContextMenu`. - menu.setHeaderTitle(linkUrl); + // Unset the full screen video flag. + displayingFullScreenVideo = false; - // Add a Write Email entry. - menu.add(R.string.write_email).setOnMenuItemClickListener(item -> { - // Use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched. - Intent emailIntent = new Intent(Intent.ACTION_SENDTO); + // Remove all the views from the full screen video frame layout. + fullScreenVideoFrameLayout.removeAllViews(); - // Parse the url and set it as the data for the `Intent`. - emailIntent.setData(Uri.parse("mailto:" + linkUrl)); + // Hide the full screen video frame layout. + fullScreenVideoFrameLayout.setVisibility(View.GONE); - // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser. - emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + // Enable the sliding drawers. + drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED); - // Make it so. - startActivity(emailIntent); - return false; - }); + // Show the main content relative layout. + mainContentRelativeLayout.setVisibility(View.VISIBLE); - // Add a Copy Email Address entry. - menu.add(R.string.copy_email_address).setOnMenuItemClickListener(item -> { - // Save the email address in a `ClipData`. - ClipData srcEmailTypeClipData = ClipData.newPlainText(getString(R.string.email_address), linkUrl); + // Apply the appropriate full screen mode flags. + if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) { // Privacy Browser is currently in full screen browsing mode. + // Hide the app bar if specified. + if (hideAppBar) { + // Get handles for the views. + LinearLayout tabsLinearLayout = findViewById(R.id.tabs_linearlayout); + ActionBar actionBar = getSupportActionBar(); - // Set the `ClipData` as the clipboard's primary clip. - clipboardManager.setPrimaryClip(srcEmailTypeClipData); - return false; - }); + // Remove the incorrect lint warning below that the action bar might be null. + assert actionBar != null; - // Add a `Cancel` entry, which by default closes the `ContextMenu`. - menu.add(R.string.cancel); - break; + // Hide the tab linear layout. + tabsLinearLayout.setVisibility(View.GONE); - // `IMAGE_TYPE` is an image. - case WebView.HitTestResult.IMAGE_TYPE: - // Get the image URL. - imageUrl = hitTestResult.getExtra(); + // Hide the action bar. + actionBar.hide(); + } - // Set the image URL as the title of the `ContextMenu`. - menu.setHeaderTitle(imageUrl); + // Hide the banner ad in the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + AdHelper.hideAd(findViewById(R.id.adview)); + } - // Add a View Image entry. - menu.add(R.string.view_image).setOnMenuItemClickListener(item -> { - loadUrl(imageUrl); - return false; - }); + // Remove the translucent status flag. This is necessary so the root frame layout can fill the entire screen. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); - // Add a Download Image entry. - menu.add(R.string.download_image).setOnMenuItemClickListener((MenuItem item) -> { - // Check if the download should be processed by an external app. - if (downloadWithExternalApp) { // Download with an external app. - openUrlWithExternalApp(imageUrl); - } else { // Download with Android's download manager. - // Check to see if the storage permission has already been granted. - if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) { // The storage permission needs to be requested. - // Store the image URL for use by `onRequestPermissionResult()`. - downloadImageUrl = imageUrl; + /* Hide the system bars. + * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar. + * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. + * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown. + */ + rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | + View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + } else { // Switch to normal viewing mode. + // Remove the `SYSTEM_UI` flags from the root frame layout. + rootFrameLayout.setSystemUiVisibility(0); - // Show a dialog if the user has previously denied the permission. - if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first. - // Instantiate the download location permission alert dialog and set the download type to DOWNLOAD_IMAGE. - DialogFragment downloadLocationPermissionDialogFragment = DownloadLocationPermissionDialog.downloadType(DownloadLocationPermissionDialog.DOWNLOAD_IMAGE); + // Add the translucent status flag. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + } - // Show the download location permission alert dialog. The permission will be requested when the dialog is closed. - downloadLocationPermissionDialogFragment.show(fragmentManager, getString(R.string.download_location)); - } else { // Show the permission request directly. - // Request the permission. The download dialog will be launched by `onRequestPermissionResult(). - ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_IMAGE_REQUEST_CODE); - } - } else { // The storage permission has already been granted. - // Get a handle for the download image alert dialog. - DialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl); + // Reload the ad for the free flavor if not in full screen mode. + if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) { + // Reload the ad. + AdHelper.loadAd(findViewById(R.id.adview), getApplicationContext(), getString(R.string.ad_unit_id)); + } + } else if (currentWebView.canGoBack()) { // There is at least one item in the current WebView history. + // Get the current web back forward list. + WebBackForwardList webBackForwardList = currentWebView.copyBackForwardList(); - // Show the download image alert dialog. - downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)); - } - } - return false; - }); + // Get the previous entry URL. + String previousUrl = webBackForwardList.getItemAtIndex(webBackForwardList.getCurrentIndex() - 1).getUrl(); - // Add a Copy URL entry. - menu.add(R.string.copy_url).setOnMenuItemClickListener(item -> { - // Save the image URL in a `ClipData`. - ClipData srcImageTypeClipData = ClipData.newPlainText(getString(R.string.url), imageUrl); + // Apply the domain settings. + applyDomainSettings(currentWebView, previousUrl, false, false); - // Set the `ClipData` as the clipboard's primary clip. - clipboardManager.setPrimaryClip(srcImageTypeClipData); - return false; - }); + // Go back. + currentWebView.goBack(); + } else if (tabLayout.getTabCount() > 1) { // There are at least two tabs. + // Close the current tab. + closeCurrentTab(); + } else { // There isn't anything to do in Privacy Browser. + // Close Privacy Browser. `finishAndRemoveTask()` also removes Privacy Browser from the recent app list. + if (Build.VERSION.SDK_INT >= 21) { + finishAndRemoveTask(); + } else { + finish(); + } - // Add an Open with App entry. - menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> { - openWithApp(imageUrl); - return false; - }); + // Manually kill Privacy Browser. Otherwise, it is glitchy when restarted. + System.exit(0); + } + } - // Add an Open with Browser entry. - menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> { - openWithBrowser(imageUrl); - return false; - }); + // Process the results of a file browse. + @Override + public void onActivityResult(int requestCode, int resultCode, Intent data) { + // Run the default commands. + super.onActivityResult(requestCode, resultCode, data); - // Add a `Cancel` entry, which by default closes the `ContextMenu`. - menu.add(R.string.cancel); + // Run the commands that correlate to the specified request code. + switch (requestCode) { + case FILE_UPLOAD_REQUEST_CODE: + // File uploads only work on API >= 21. + if (Build.VERSION.SDK_INT >= 21) { + // Pass the file to the WebView. + fileChooserCallback.onReceiveValue(WebChromeClient.FileChooserParams.parseResult(resultCode, data)); + } break; + case BROWSE_SAVE_WEBPAGE_IMAGE_REQUEST_CODE: + // Don't do anything if the user pressed back from the file picker. + if (resultCode == Activity.RESULT_OK) { + // Get a handle for the save dialog fragment. + DialogFragment saveWebpageImageDialogFragment= (DialogFragment) getSupportFragmentManager().findFragmentByTag(getString(R.string.save_as_image)); - // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link. - case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE: - // Get the image URL. - imageUrl = hitTestResult.getExtra(); - - // Set the image URL as the title of the `ContextMenu`. - menu.setHeaderTitle(imageUrl); + // Only update the file name if the dialog still exists. + if (saveWebpageImageDialogFragment != null) { + // Get a handle for the save webpage image dialog. + Dialog saveWebpageImageDialog = saveWebpageImageDialogFragment.getDialog(); - // Add a `View Image` entry. - menu.add(R.string.view_image).setOnMenuItemClickListener(item -> { - loadUrl(imageUrl); - return false; - }); + // Remove the incorrect lint warning below that the dialog might be null. + assert saveWebpageImageDialog != null; - // Add a `Download Image` entry. - menu.add(R.string.download_image).setOnMenuItemClickListener((MenuItem item) -> { - // Check if the download should be processed by an external app. - if (downloadWithExternalApp) { // Download with an external app. - openUrlWithExternalApp(imageUrl); - } else { // Download with Android's download manager. - // Check to see if the storage permission has already been granted. - if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) { // The storage permission needs to be requested. - // Store the image URL for use by `onRequestPermissionResult()`. - downloadImageUrl = imageUrl; + // Get a handle for the file name edit text. + EditText fileNameEditText = saveWebpageImageDialog.findViewById(R.id.file_name_edittext); - // Show a dialog if the user has previously denied the permission. - if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first. - // Instantiate the download location permission alert dialog and set the download type to DOWNLOAD_IMAGE. - DialogFragment downloadLocationPermissionDialogFragment = DownloadLocationPermissionDialog.downloadType(DownloadLocationPermissionDialog.DOWNLOAD_IMAGE); + // Instantiate the file name helper. + FileNameHelper fileNameHelper = new FileNameHelper(); - // Show the download location permission alert dialog. The permission will be requested when the dialog is closed. - downloadLocationPermissionDialogFragment.show(fragmentManager, getString(R.string.download_location)); - } else { // Show the permission request directly. - // Request the permission. The download dialog will be launched by `onRequestPermissionResult(). - ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_IMAGE_REQUEST_CODE); - } - } else { // The storage permission has already been granted. - // Get a handle for the download image alert dialog. - DialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl); + // Get the file path if it isn't null. + if (data.getData() != null) { + // Convert the file name URI to a file name path. + String fileNamePath = fileNameHelper.convertUriToFileNamePath(data.getData()); - // Show the download image alert dialog. - downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)); + // Set the file name path as the text of the file name edit text. + fileNameEditText.setText(fileNamePath); } } - return false; - }); + } + break; + } + } - // Add a `Copy URL` entry. - menu.add(R.string.copy_url).setOnMenuItemClickListener(item -> { - // Save the image URL in a `ClipData`. - ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), imageUrl); + private void loadUrlFromTextBox() { + // Get a handle for the URL edit text. + EditText urlEditText = findViewById(R.id.url_edittext); - // Set the `ClipData` as the clipboard's primary clip. - clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData); - return false; - }); + // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string. + String unformattedUrlString = urlEditText.getText().toString().trim(); - // Add an Open with App entry. - menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> { - openWithApp(imageUrl); - return false; - }); + // Initialize the formatted URL string. + String url = ""; - // Add an Open with Browser entry. - menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> { - openWithBrowser(imageUrl); - return false; - }); + // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search. + if (unformattedUrlString.startsWith("content://")) { // This is a Content URL. + // Load the entire content URL. + url = unformattedUrlString; + } else if (Patterns.WEB_URL.matcher(unformattedUrlString).matches() || unformattedUrlString.startsWith("http://") || unformattedUrlString.startsWith("https://") || + unformattedUrlString.startsWith("file://")) { // This is a standard URL. + // Add `https://` at the beginning if there is no protocol. Otherwise the app will segfault. + if (!unformattedUrlString.startsWith("http") && !unformattedUrlString.startsWith("file://") && !unformattedUrlString.startsWith("content://")) { + unformattedUrlString = "https://" + unformattedUrlString; + } - // Add a `Cancel` entry, which by default closes the `ContextMenu`. - menu.add(R.string.cancel); - break; - } - } + // Initialize `unformattedUrl`. + URL unformattedUrl = null; - @Override - public void onCreateBookmark(DialogFragment dialogFragment, Bitmap favoriteIconBitmap) { - // Get the views from the dialog fragment. - EditText createBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext); - EditText createBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext); + // Convert `unformattedUrlString` to a `URL`, then to a `URI`, and then back to a `String`, which sanitizes the input and adds in any missing components. + try { + unformattedUrl = new URL(unformattedUrlString); + } catch (MalformedURLException e) { + e.printStackTrace(); + } - // Extract the strings from the edit texts. - String bookmarkNameString = createBookmarkNameEditText.getText().toString(); - String bookmarkUrlString = createBookmarkUrlEditText.getText().toString(); + // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value. + String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null; + String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null; + String path = unformattedUrl != null ? unformattedUrl.getPath() : null; + String query = unformattedUrl != null ? unformattedUrl.getQuery() : null; + String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null; - // Create a favorite icon byte array output stream. - ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream(); + // Build the URI. + Uri.Builder uri = new Uri.Builder(); + uri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment); - // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). - favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream); + // Decode the URI as a UTF-8 string in. + try { + url = URLDecoder.decode(uri.build().toString(), "UTF-8"); + } catch (UnsupportedEncodingException exception) { + // Do nothing. The formatted URL string will remain blank. + } + } else if (!unformattedUrlString.isEmpty()){ // This is not a URL, but rather a search string. + // Create an encoded URL String. + String encodedUrlString; - // Convert the favorite icon byte array stream to a byte array. - byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray(); + // Sanitize the search input. + try { + encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8"); + } catch (UnsupportedEncodingException exception) { + encodedUrlString = ""; + } - // Display the new bookmark below the current items in the (0 indexed) list. - int newBookmarkDisplayOrder = bookmarksListView.getCount(); + // Add the base search URL. + url = searchURL + encodedUrlString; + } - // Create the bookmark. - bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, currentBookmarksFolder, newBookmarkDisplayOrder, favoriteIconByteArray); + // Clear the focus from the URL edit text. Otherwise, proximate typing in the box will retain the colorized formatting instead of being reset during refocus. + urlEditText.clearFocus(); - // Update the bookmarks cursor with the current contents of this folder. - bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder); + // Make it so. + loadUrl(url); + } - // Update the list view. - bookmarksCursorAdapter.changeCursor(bookmarksCursor); + private void loadUrl(String url) { + // Sanitize the URL. + url = sanitizeUrl(url); - // Scroll to the new bookmark. - bookmarksListView.setSelection(newBookmarkDisplayOrder); + // Apply the domain settings. + applyDomainSettings(currentWebView, url, true, false); + + // Load the URL. + currentWebView.loadUrl(url, customHeaders); + } + + public void findPreviousOnPage(View view) { + // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards. + currentWebView.findNext(false); } - @Override - public void onCreateBookmarkFolder(DialogFragment dialogFragment, Bitmap favoriteIconBitmap) { - // Get handles for the views in the dialog fragment. - EditText createFolderNameEditText = dialogFragment.getDialog().findViewById(R.id.create_folder_name_edittext); - RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon_radiobutton); - ImageView folderIconImageView = dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon); + public void findNextOnPage(View view) { + // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards. + currentWebView.findNext(true); + } - // Get new folder name string. - String folderNameString = createFolderNameEditText.getText().toString(); + public void closeFindOnPage(View view) { + // Get a handle for the views. + Toolbar toolbar = findViewById(R.id.toolbar); + LinearLayout findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout); + EditText findOnPageEditText = findViewById(R.id.find_on_page_edittext); - // Create a folder icon bitmap. - Bitmap folderIconBitmap; + // Delete the contents of `find_on_page_edittext`. + findOnPageEditText.setText(null); - // Set the folder icon bitmap according to the dialog. - if (defaultFolderIconRadioButton.isChecked()) { // Use the default folder icon. - // Get the default folder icon drawable. - Drawable folderIconDrawable = folderIconImageView.getDrawable(); + // Clear the highlighted phrases if the WebView is not null. + if (currentWebView != null) { + currentWebView.clearMatches(); + } - // Convert the folder icon drawable to a bitmap drawable. - BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable; + // Hide the find on page linear layout. + findOnPageLinearLayout.setVisibility(View.GONE); - // Convert the folder icon bitmap drawable to a bitmap. - folderIconBitmap = folderIconBitmapDrawable.getBitmap(); - } else { // Use the WebView favorite icon. - // Copy the favorite icon bitmap to the folder icon bitmap. - folderIconBitmap = favoriteIconBitmap; - } + // Show the toolbar. + toolbar.setVisibility(View.VISIBLE); - // Create a folder icon byte array output stream. - ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream(); + // Get a handle for the input method manager. + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); - // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). - folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream); + // Remove the lint warning below that the input method manager might be null. + assert inputMethodManager != null; - // Convert the folder icon byte array stream to a byte array. - byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray(); + // Hide the keyboard. + inputMethodManager.hideSoftInputFromWindow(toolbar.getWindowToken(), 0); + } - // Move all the bookmarks down one in the display order. - for (int i = 0; i < bookmarksListView.getCount(); i++) { - int databaseId = (int) bookmarksListView.getItemIdAtPosition(i); - bookmarksDatabaseHelper.updateDisplayOrder(databaseId, i + 1); + @Override + public void onSaveWebpageImage(DialogFragment dialogFragment) { + // Get the dialog. + Dialog dialog = dialogFragment.getDialog(); + + // Remove the incorrect lint warning below that the dialog might be null. + assert dialog != null; + + // Get a handle for the file name edit text. + EditText fileNameEditText = dialog.findViewById(R.id.file_name_edittext); + + // Get the file path string. + saveWebsiteImageFilePath = fileNameEditText.getText().toString(); + + // Check to see if the storage permission is needed. + if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // The storage permission has been granted. + // Save the webpage image. + new SaveWebpageImage(this, currentWebView).execute(saveWebsiteImageFilePath); + } else { // The storage permission has not been granted. + // Get the external private directory `File`. + File externalPrivateDirectoryFile = getExternalFilesDir(null); + + // Remove the incorrect lint error below that the file might be null. + assert externalPrivateDirectoryFile != null; + + // Get the external private directory string. + String externalPrivateDirectory = externalPrivateDirectoryFile.toString(); + + // Check to see if the file path is in the external private directory. + if (saveWebsiteImageFilePath.startsWith(externalPrivateDirectory)) { // The file path is in the external private directory. + // Save the webpage image. + new SaveWebpageImage(this, currentWebView).execute(saveWebsiteImageFilePath); + } else { // The file path is in a public directory. + // Check if the user has previously denied the storage permission. + if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first. + // Instantiate the storage permission alert dialog. + DialogFragment storagePermissionDialogFragment = new StoragePermissionDialog(); + + // Show the storage permission alert dialog. The permission will be requested when the dialog is closed. + storagePermissionDialogFragment.show(getSupportFragmentManager(), getString(R.string.storage_permission)); + } else { // Show the permission request directly. + // Request the write external storage permission. The webpage image will be saved when it finishes. + ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, SAVE_WEBPAGE_IMAGE_REQUEST_CODE); + } + } } + } - // Create the folder, which will be placed at the top of the `ListView`. - bookmarksDatabaseHelper.createFolder(folderNameString, currentBookmarksFolder, folderIconByteArray); - - // Update the bookmarks cursor with the current contents of this folder. - bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder); + @Override + public void onCloseStoragePermissionDialog() { + // Request the write external storage permission. The webpage image will be saved when it finishes. + ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, SAVE_WEBPAGE_IMAGE_REQUEST_CODE); + } - // Update the `ListView`. - bookmarksCursorAdapter.changeCursor(bookmarksCursor); + private void applyAppSettings() { + // Initialize the app if this is the first run. This is done here instead of in `onCreate()` to shorten the time that an unthemed background is displayed on app startup. + if (webViewDefaultUserAgent == null) { + initializeApp(); + } - // Scroll to the new folder. - bookmarksListView.setSelection(0); - } + // Get a handle for the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - @Override - public void onSaveBookmark(DialogFragment dialogFragment, int selectedBookmarkDatabaseId, Bitmap favoriteIconBitmap) { - // Get handles for the views from `dialogFragment`. - EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext); - EditText editBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext); - RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton); + // Store the values from the shared preferences in variables. + incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false); + boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false); + sanitizeGoogleAnalytics = sharedPreferences.getBoolean("google_analytics", true); + sanitizeFacebookClickIds = sharedPreferences.getBoolean("facebook_click_ids", true); + sanitizeTwitterAmpRedirects = sharedPreferences.getBoolean("twitter_amp_redirects", true); + proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false); + fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false); + hideAppBar = sharedPreferences.getBoolean("hide_app_bar", true); + scrollAppBar = sharedPreferences.getBoolean("scroll_app_bar", true); - // Store the bookmark strings. - String bookmarkNameString = editBookmarkNameEditText.getText().toString(); - String bookmarkUrlString = editBookmarkUrlEditText.getText().toString(); + // Get handles for the views that need to be modified. + FrameLayout rootFrameLayout = findViewById(R.id.root_framelayout); + AppBarLayout appBarLayout = findViewById(R.id.appbar_layout); + ActionBar actionBar = getSupportActionBar(); + Toolbar toolbar = findViewById(R.id.toolbar); + LinearLayout findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout); + LinearLayout tabsLinearLayout = findViewById(R.id.tabs_linearlayout); + SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); - // Update the bookmark. - if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon. - bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString); - } else { // Update the bookmark using the `WebView` favorite icon. - // Create a favorite icon byte array output stream. - ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream(); + // Remove the incorrect lint warning below that the action bar might be null. + assert actionBar != null; - // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). - favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream); + // Apply the proxy through Orbot settings. + applyProxyThroughOrbot(false); - // Convert the favorite icon byte array stream to a byte array. - byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray(); + // Set Do Not Track status. + if (doNotTrackEnabled) { + customHeaders.put("DNT", "1"); + } else { + customHeaders.remove("DNT"); + } - // Update the bookmark and the favorite icon. - bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray); + // Get the current layout parameters. Using coordinator layout parameters allows the `setBehavior()` command and using app bar layout parameters allows the `setScrollFlags()` command. + CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams(); + AppBarLayout.LayoutParams toolbarLayoutParams = (AppBarLayout.LayoutParams) toolbar.getLayoutParams(); + AppBarLayout.LayoutParams findOnPageLayoutParams = (AppBarLayout.LayoutParams) findOnPageLinearLayout.getLayoutParams(); + AppBarLayout.LayoutParams tabsLayoutParams = (AppBarLayout.LayoutParams) tabsLinearLayout.getLayoutParams(); + + // Add the scrolling behavior to the layout parameters. + if (scrollAppBar) { + // Enable scrolling of the app bar. + swipeRefreshLayoutParams.setBehavior(new AppBarLayout.ScrollingViewBehavior()); + toolbarLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); + findOnPageLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); + tabsLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP); + } else { + // Disable scrolling of the app bar. + swipeRefreshLayoutParams.setBehavior(null); + toolbarLayoutParams.setScrollFlags(0); + findOnPageLayoutParams.setScrollFlags(0); + tabsLayoutParams.setScrollFlags(0); + + // Expand the app bar if it is currently collapsed. + appBarLayout.setExpanded(true); } - // Update the bookmarks cursor with the current contents of this folder. - bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder); + // Apply the modified layout parameters. + swipeRefreshLayout.setLayoutParams(swipeRefreshLayoutParams); + toolbar.setLayoutParams(toolbarLayoutParams); + findOnPageLinearLayout.setLayoutParams(findOnPageLayoutParams); + tabsLinearLayout.setLayoutParams(tabsLayoutParams); - // Update the list view. - bookmarksCursorAdapter.changeCursor(bookmarksCursor); - } + // Set the app bar scrolling for each WebView. + for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { + // Get the WebView tab fragment. + WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); - @Override - public void onSaveBookmarkFolder(DialogFragment dialogFragment, int selectedFolderDatabaseId, Bitmap favoriteIconBitmap) { - // Get handles for the views from `dialogFragment`. - EditText editFolderNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext); - RadioButton currentFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton); - RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton); - ImageView defaultFolderIconImageView = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_imageview); + // Get the fragment view. + View fragmentView = webViewTabFragment.getView(); - // Get the new folder name. - String newFolderNameString = editFolderNameEditText.getText().toString(); + // Only modify the WebViews if they exist. + if (fragmentView != null) { + // Get the nested scroll WebView from the tab fragment. + NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); - // Check if the favorite icon has changed. - if (currentFolderIconRadioButton.isChecked()) { // Only the name has changed. - // Update the name in the database. - bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString); - } else if (!currentFolderIconRadioButton.isChecked() && newFolderNameString.equals(oldFolderNameString)) { // Only the icon has changed. - // Create the new folder icon Bitmap. - Bitmap folderIconBitmap; + // Set the app bar scrolling. + nestedScrollWebView.setNestedScrollingEnabled(scrollAppBar); + } + } - // Populate the new folder icon bitmap. - if (defaultFolderIconRadioButton.isChecked()) { - // Get the default folder icon drawable. - Drawable folderIconDrawable = defaultFolderIconImageView.getDrawable(); + // Update the full screen browsing mode settings. + if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) { // Privacy Browser is currently in full screen browsing mode. + // Update the visibility of the app bar, which might have changed in the settings. + if (hideAppBar) { + // Hide the tab linear layout. + tabsLinearLayout.setVisibility(View.GONE); - // Convert the folder icon drawable to a bitmap drawable. - BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable; + // Hide the action bar. + actionBar.hide(); + } else { + // Show the tab linear layout. + tabsLinearLayout.setVisibility(View.VISIBLE); - // Convert the folder icon bitmap drawable to a bitmap. - folderIconBitmap = folderIconBitmapDrawable.getBitmap(); - } else { // Use the `WebView` favorite icon. - // Copy the favorite icon bitmap to the folder icon bitmap. - folderIconBitmap = favoriteIconBitmap; + // Show the action bar. + actionBar.show(); } - // Create a folder icon byte array output stream. - ByteArrayOutputStream newFolderIconByteArrayOutputStream = new ByteArrayOutputStream(); + // Hide the banner ad in the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + AdHelper.hideAd(findViewById(R.id.adview)); + } - // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). - folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream); + // Remove the translucent status flag. This is necessary so the root frame layout can fill the entire screen. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); - // Convert the folder icon byte array stream to a byte array. - byte[] newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray(); + /* Hide the system bars. + * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar. + * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. + * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown. + */ + rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | + View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + } else { // Privacy Browser is not in full screen browsing mode. + // Reset the full screen tracker, which could be true if Privacy Browser was in full screen mode before entering settings and full screen browsing was disabled. + inFullScreenBrowsingMode = false; - // Update the folder icon in the database. - bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, newFolderIconByteArray); - } else { // The folder icon and the name have changed. - // Get the new folder icon `Bitmap`. - Bitmap folderIconBitmap; - if (defaultFolderIconRadioButton.isChecked()) { - // Get the default folder icon drawable. - Drawable folderIconDrawable = defaultFolderIconImageView.getDrawable(); + // Show the tab linear layout. + tabsLinearLayout.setVisibility(View.VISIBLE); - // Convert the folder icon drawable to a bitmap drawable. - BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable; + // Show the action bar. + actionBar.show(); - // Convert the folder icon bitmap drawable to a bitmap. - folderIconBitmap = folderIconBitmapDrawable.getBitmap(); - } else { // Use the `WebView` favorite icon. - // Copy the favorite icon bitmap to the folder icon bitmap. - folderIconBitmap = favoriteIconBitmap; + // Show the banner ad in the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + // Initialize the ads. If this isn't the first run, `loadAd()` will be automatically called instead. + AdHelper.initializeAds(findViewById(R.id.adview), getApplicationContext(), getSupportFragmentManager(), getString(R.string.google_app_id), getString(R.string.ad_unit_id)); } - // Create a folder icon byte array output stream. - ByteArrayOutputStream newFolderIconByteArrayOutputStream = new ByteArrayOutputStream(); + // Remove the `SYSTEM_UI` flags from the root frame layout. + rootFrameLayout.setSystemUiVisibility(0); - // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). - folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFolderIconByteArrayOutputStream); + // Add the translucent status flag. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + } + } - // Convert the folder icon byte array stream to a byte array. - byte[] newFolderIconByteArray = newFolderIconByteArrayOutputStream.toByteArray(); + private void initializeApp() { + // Get a handle for the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - // Update the folder name and icon in the database. - bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, newFolderIconByteArray); - } + // Get the theme preference. + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); - // Update the bookmarks cursor with the current contents of this folder. - bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder); + // Get a handle for the input method. + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); - // Update the `ListView`. - bookmarksCursorAdapter.changeCursor(bookmarksCursor); - } + // Remove the lint warning below that the input method manager might be null. + assert inputMethodManager != null; - @Override - public void onCloseDownloadLocationPermissionDialog(int downloadType) { - switch (downloadType) { - case DownloadLocationPermissionDialog.DOWNLOAD_FILE: - // Request the WRITE_EXTERNAL_STORAGE permission with a file request code. - ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_FILE_REQUEST_CODE); - break; + // Initialize the foreground color spans for highlighting the URLs. We have to use the deprecated `getColor()` until API >= 23. + redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700)); + initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500)); + finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500)); - case DownloadLocationPermissionDialog.DOWNLOAD_IMAGE: - // Request the WRITE_EXTERNAL_STORAGE permission with an image request code. - ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, DOWNLOAD_IMAGE_REQUEST_CODE); - break; - } - } + // Get handles for the URL views. + EditText urlEditText = findViewById(R.id.url_edittext); - @Override - public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { - // Get a handle for the fragment manager. - FragmentManager fragmentManager = getSupportFragmentManager(); + // Remove the formatting from the URL edit text when the user is editing the text. + urlEditText.setOnFocusChangeListener((View v, boolean hasFocus) -> { + if (hasFocus) { // The user is editing the URL text box. + // Remove the highlighting. + urlEditText.getText().removeSpan(redColorSpan); + urlEditText.getText().removeSpan(initialGrayColorSpan); + urlEditText.getText().removeSpan(finalGrayColorSpan); + } else { // The user has stopped editing the URL text box. + // Move to the beginning of the string. + urlEditText.setSelection(0); + + // Reapply the highlighting. + highlightUrlText(); + } + }); - switch (requestCode) { - case DOWNLOAD_FILE_REQUEST_CODE: - // Show the download file alert dialog. When the dialog closes, the correct command will be used based on the permission status. - DialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(downloadUrl, downloadContentDisposition, downloadContentLength); + // Set the go button on the keyboard to load the URL in `urlTextBox`. + urlEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> { + // If the event is a key-down event on the `enter` button, load the URL. + if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { + // Load the URL into the mainWebView and consume the event. + loadUrlFromTextBox(); - // On API 23, displaying the fragment must be delayed or the app will crash. - if (Build.VERSION.SDK_INT == 23) { - new Handler().postDelayed(() -> downloadFileDialogFragment.show(fragmentManager, getString(R.string.download)), 500); - } else { - downloadFileDialogFragment.show(fragmentManager, getString(R.string.download)); - } + // If the enter key was pressed, consume the event. + return true; + } else { + // If any other key was pressed, do not consume the event. + return false; + } + }); - // Reset the download variables. - downloadUrl = ""; - downloadContentDisposition = ""; - downloadContentLength = 0; - break; + // Initialize the Orbot status and the waiting for Orbot trackers. + orbotStatus = "unknown"; + waitingForOrbot = false; - case DOWNLOAD_IMAGE_REQUEST_CODE: - // Show the download image alert dialog. When the dialog closes, the correct command will be used based on the permission status. - DialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(downloadImageUrl); + // Create an Orbot status `BroadcastReceiver`. + orbotStatusBroadcastReceiver = new BroadcastReceiver() { + @Override + public void onReceive(Context context, Intent intent) { + // Store the content of the status message in `orbotStatus`. + orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS"); - // On API 23, displaying the fragment must be delayed or the app will crash. - if (Build.VERSION.SDK_INT == 23) { - new Handler().postDelayed(() -> downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)), 500); - } else { - downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)); - } + // If Privacy Browser is waiting on Orbot, load the website now that Orbot is connected. + if (orbotStatus.equals("ON") && waitingForOrbot) { + // Reset the waiting for Orbot status. + waitingForOrbot = false; - // Reset the image URL variable. - downloadImageUrl = ""; - break; - } - } + // Get the intent that started the app. + Intent launchingIntent = getIntent(); - @Override - public void onDownloadImage(DialogFragment dialogFragment, String imageUrl) { - // Download the image if it has an HTTP or HTTPS URI. - if (imageUrl.startsWith("http")) { - // Get a handle for the system `DOWNLOAD_SERVICE`. - DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); + // Get the information from the intent. + String launchingIntentAction = launchingIntent.getAction(); + Uri launchingIntentUriData = launchingIntent.getData(); - // Parse `imageUrl`. - DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl)); + // If the intent action is a web search, perform the search. + if ((launchingIntentAction != null) && launchingIntentAction.equals(Intent.ACTION_WEB_SEARCH)) { + // Create an encoded URL string. + String encodedUrlString; - // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login. - // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner . - if (firstPartyCookiesEnabled) { - // Get the cookies for `imageUrl`. - String cookies = CookieManager.getInstance().getCookie(imageUrl); + // Sanitize the search input and convert it to a search. + try { + encodedUrlString = URLEncoder.encode(launchingIntent.getStringExtra(SearchManager.QUERY), "UTF-8"); + } catch (UnsupportedEncodingException exception) { + encodedUrlString = ""; + } - // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`. - downloadRequest.addRequestHeader("Cookie", cookies); + // Load the completed search URL. + loadUrl(searchURL + encodedUrlString); + } else if (launchingIntentUriData != null){ // Check to see if the intent contains a new URL. + // Load the URL from the intent. + loadUrl(launchingIntentUriData.toString()); + } else { // The is no URL in the intent. + // Select the homepage based on the proxy through Orbot status. + if (proxyThroughOrbot) { + // Load the Tor homepage. + loadUrl(sharedPreferences.getString("tor_homepage", getString(R.string.tor_homepage_default_value))); + } else { + // Load the normal homepage. + loadUrl(sharedPreferences.getString("homepage", getString(R.string.homepage_default_value))); + } + } + } } + }; - // Get the file name from the dialog fragment. - EditText downloadImageNameEditText = dialogFragment.getDialog().findViewById(R.id.download_image_name); - String imageName = downloadImageNameEditText.getText().toString(); + // Register `orbotStatusBroadcastReceiver` on `this` context. + this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS")); - // Specify the download location. - if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // External write permission granted. - // Download to the public download directory. - downloadRequest.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, imageName); - } else { // External write permission denied. - // Download to the app's external download directory. - downloadRequest.setDestinationInExternalFilesDir(this, Environment.DIRECTORY_DOWNLOADS, imageName); - } + // Get handles for views that need to be modified. + DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); + NavigationView navigationView = findViewById(R.id.navigationview); + TabLayout tabLayout = findViewById(R.id.tablayout); + SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); + ViewPager webViewPager = findViewById(R.id.webviewpager); + ListView bookmarksListView = findViewById(R.id.bookmarks_drawer_listview); + FloatingActionButton launchBookmarksActivityFab = findViewById(R.id.launch_bookmarks_activity_fab); + FloatingActionButton createBookmarkFolderFab = findViewById(R.id.create_bookmark_folder_fab); + FloatingActionButton createBookmarkFab = findViewById(R.id.create_bookmark_fab); + EditText findOnPageEditText = findViewById(R.id.find_on_page_edittext); - // Allow `MediaScanner` to index the download if it is a media file. - downloadRequest.allowScanningByMediaScanner(); + // Listen for touches on the navigation menu. + navigationView.setNavigationItemSelectedListener(this); - // Add the URL as the description for the download. - downloadRequest.setDescription(imageUrl); + // Get handles for the navigation menu and the back and forward menu items. The menu is zero-based. + Menu navigationMenu = navigationView.getMenu(); + MenuItem navigationBackMenuItem = navigationMenu.getItem(2); + MenuItem navigationForwardMenuItem = navigationMenu.getItem(3); + MenuItem navigationHistoryMenuItem = navigationMenu.getItem(4); + MenuItem navigationRequestsMenuItem = navigationMenu.getItem(5); - // Show the download notification after the download is completed. - downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); + // Update the web view pager every time a tab is modified. + webViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() { + @Override + public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { + // Do nothing. + } - // Remove the lint warning below that `downloadManager` might be `null`. - assert downloadManager != null; + @Override + public void onPageSelected(int position) { + // Close the find on page bar if it is open. + closeFindOnPage(null); - // Initiate the download. - downloadManager.enqueue(downloadRequest); - } else { // The image is not an HTTP or HTTPS URI. - Snackbar.make(currentWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show(); - } - } + // Set the current WebView. + setCurrentWebView(position); - @Override - public void onDownloadFile(DialogFragment dialogFragment, String downloadUrl) { - // Download the file if it has an HTTP or HTTPS URI. - if (downloadUrl.startsWith("http")) { - // Get a handle for the system `DOWNLOAD_SERVICE`. - DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); + // Select the corresponding tab if it does not match the currently selected page. This will happen if the page was scrolled via swiping in the view pager or by creating a new tab. + if (tabLayout.getSelectedTabPosition() != position) { + // Create a handler to select the tab. + Handler selectTabHandler = new Handler(); - // Parse `downloadUrl`. - DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl)); + // Create a runnable to select the tab. + Runnable selectTabRunnable = () -> { + // Get a handle for the tab. + TabLayout.Tab tab = tabLayout.getTabAt(position); - // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login. - // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner . - if (firstPartyCookiesEnabled) { - // Get the cookies for `downloadUrl`. - String cookies = CookieManager.getInstance().getCookie(downloadUrl); + // Assert that the tab is not null. + assert tab != null; - // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`. - downloadRequest.addRequestHeader("Cookie", cookies); - } + // Select the tab. + tab.select(); + }; - // Get the file name from the dialog fragment. - EditText downloadFileNameEditText = dialogFragment.getDialog().findViewById(R.id.download_file_name); - String fileName = downloadFileNameEditText.getText().toString(); + // Select the tab layout after 150 milliseconds, which leaves enough time for a new tab to be inflated. + selectTabHandler.postDelayed(selectTabRunnable, 150); + } + } - // Specify the download location. - if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // External write permission granted. - // Download to the public download directory. - downloadRequest.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName); - } else { // External write permission denied. - // Download to the app's external download directory. - downloadRequest.setDestinationInExternalFilesDir(this, Environment.DIRECTORY_DOWNLOADS, fileName); + @Override + public void onPageScrollStateChanged(int state) { + // Do nothing. } + }); - // Allow `MediaScanner` to index the download if it is a media file. - downloadRequest.allowScanningByMediaScanner(); + // Display the View SSL Certificate dialog when the currently selected tab is reselected. + tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() { + @Override + public void onTabSelected(TabLayout.Tab tab) { + // Select the same page in the view pager. + webViewPager.setCurrentItem(tab.getPosition()); + } - // Add the URL as the description for the download. - downloadRequest.setDescription(downloadUrl); + @Override + public void onTabUnselected(TabLayout.Tab tab) { + // Do nothing. + } - // Show the download notification after the download is completed. - downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); + @Override + public void onTabReselected(TabLayout.Tab tab) { + // Instantiate the View SSL Certificate dialog. + DialogFragment viewSslCertificateDialogFragment = ViewSslCertificateDialog.displayDialog(currentWebView.getWebViewFragmentId()); - // Remove the lint warning below that `downloadManager` might be `null`. - assert downloadManager != null; + // Display the View SSL Certificate dialog. + viewSslCertificateDialogFragment.show(getSupportFragmentManager(), getString(R.string.view_ssl_certificate)); + } + }); - // Initiate the download. - downloadManager.enqueue(downloadRequest); - } else { // The download is not an HTTP or HTTPS URI. - Snackbar.make(currentWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show(); + // Set the bookmarks drawer resources according to the theme. This can't be done in the layout due to compatibility issues with the `DrawerLayout` support widget. + // The deprecated `getResources().getDrawable()` must be used until the minimum API >= 21 and and `getResources().getColor()` must be used until the minimum API >= 23. + if (darkTheme) { + launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_dark)); + createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_dark)); + createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_dark)); + bookmarksListView.setBackgroundColor(getResources().getColor(R.color.gray_850)); + } else { + launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_light)); + createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_light)); + createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_light)); + bookmarksListView.setBackgroundColor(getResources().getColor(R.color.white)); } - } - @Override - public void onHttpAuthenticationCancel() { - // Cancel the `HttpAuthHandler`. - httpAuthHandler.cancel(); - } + // Set the launch bookmarks activity FAB to launch the bookmarks activity. + launchBookmarksActivityFab.setOnClickListener(v -> { + // Get a copy of the favorite icon bitmap. + Bitmap favoriteIconBitmap = currentWebView.getFavoriteOrDefaultIcon(); - @Override - public void onHttpAuthenticationProceed(DialogFragment dialogFragment) { - // Get handles for the `EditTexts`. - EditText usernameEditText = dialogFragment.getDialog().findViewById(R.id.http_authentication_username); - EditText passwordEditText = dialogFragment.getDialog().findViewById(R.id.http_authentication_password); + // Create a favorite icon byte array output stream. + ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream(); - // Proceed with the HTTP authentication. - httpAuthHandler.proceed(usernameEditText.getText().toString(), passwordEditText.getText().toString()); - } + // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG). + favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream); - @Override - public void onSslErrorCancel() { // TODO. How to handle this with multiple tabs? There could be multiple errors at once. - sslErrorHandler.cancel(); - } + // Convert the favorite icon byte array stream to a byte array. + byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray(); - @Override - public void onSslErrorProceed() { // TODO. How to handle this with multiple tabs? There could be multiple errors at once. - sslErrorHandler.proceed(); - } + // Create an intent to launch the bookmarks activity. + Intent bookmarksIntent = new Intent(getApplicationContext(), BookmarksActivity.class); - @Override - public void onPinnedMismatchBack() { // TODO. Move this logic to the dialog. - if (currentWebView.canGoBack()) { // There is a back page in the history. - // Reset the formatted URL string so the page will load correctly if blocking of third-party requests is enabled. - formattedUrlString = ""; // TODO. + // Add the extra information to the intent. + bookmarksIntent.putExtra("current_url", currentWebView.getUrl()); + bookmarksIntent.putExtra("current_title", currentWebView.getTitle()); + bookmarksIntent.putExtra("current_folder", currentBookmarksFolder); + bookmarksIntent.putExtra("favorite_icon_byte_array", favoriteIconByteArray); - // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded. - navigatingHistory = true; // TODO. + // Make it so. + startActivity(bookmarksIntent); + }); - // Go back. - currentWebView.goBack(); - } else { // There are no pages to go back to. - // Load a blank page - loadUrl(""); - } - } + // Set the create new bookmark folder FAB to display an alert dialog. + createBookmarkFolderFab.setOnClickListener(v -> { + // Create a create bookmark folder dialog. + DialogFragment createBookmarkFolderDialog = CreateBookmarkFolderDialog.createBookmarkFolder(currentWebView.getFavoriteOrDefaultIcon()); - @Override - public void onPinnedMismatchProceed() { // TODO. Move this logic to the dialog. - // Do not check the pinned information for this domain again until the domain changes. - currentWebView.setIgnorePinnedDomainInformation(true); - } + // Show the create bookmark folder dialog. + createBookmarkFolderDialog.show(getSupportFragmentManager(), getString(R.string.create_folder)); + }); - @Override - public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) { - // Reset the formatted URL string so the page will load correctly if blocking of third-party requests is enabled. - formattedUrlString = ""; + // Set the create new bookmark FAB to display an alert dialog. + createBookmarkFab.setOnClickListener(view -> { + // Instantiate the create bookmark dialog. + DialogFragment createBookmarkDialog = CreateBookmarkDialog.createBookmark(currentWebView.getUrl(), currentWebView.getTitle(), currentWebView.getFavoriteOrDefaultIcon()); - // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded. - navigatingHistory = true; + // Display the create bookmark dialog. + createBookmarkDialog.show(getSupportFragmentManager(), getString(R.string.create_bookmark)); + }); - // Load the history entry. - currentWebView.goBackOrForward(moveBackOrForwardSteps); - } + // Search for the string on the page whenever a character changes in the `findOnPageEditText`. + findOnPageEditText.addTextChangedListener(new TextWatcher() { + @Override + public void beforeTextChanged(CharSequence s, int start, int count, int after) { + // Do nothing. + } - @Override - public void onClearHistory() { - // Clear the history. - currentWebView.clearHistory(); - } + @Override + public void onTextChanged(CharSequence s, int start, int before, int count) { + // Do nothing. + } - // Override `onBackPressed` to handle the navigation drawer and `mainWebView`. - @Override - public void onBackPressed() { - // Get a handle for the drawer layout. - DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); + @Override + public void afterTextChanged(Editable s) { + // Search for the text in the WebView if it is not null. Sometimes on resume after a period of non-use the WebView will be null. + if (currentWebView != null) { + currentWebView.findAllAsync(findOnPageEditText.getText().toString()); + } + } + }); - if (drawerLayout.isDrawerVisible(GravityCompat.START)) { // The navigation drawer is open. - // Close the navigation drawer. - drawerLayout.closeDrawer(GravityCompat.START); - } else if (drawerLayout.isDrawerVisible(GravityCompat.END)){ // The bookmarks drawer is open. - if (currentBookmarksFolder.isEmpty()) { // The home folder is displayed. - // close the bookmarks drawer. - drawerLayout.closeDrawer(GravityCompat.END); - } else { // A subfolder is displayed. - // Place the former parent folder in `currentFolder`. - currentBookmarksFolder = bookmarksDatabaseHelper.getParentFolderName(currentBookmarksFolder); + // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard. + findOnPageEditText.setOnKeyListener((v, keyCode, event) -> { + if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed. + // Hide the soft keyboard. + inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0); - // Load the new folder. - loadBookmarksFolder(); + // Consume the event. + return true; + } else { // A different key was pressed. + // Do not consume the event. + return false; } + }); - } else if (currentWebView.canGoBack()) { // There is at least one item in the current WebView history. - // Reset the formatted URL string so the page will load correctly if blocking of third-party requests is enabled. - formattedUrlString = ""; + // Implement swipe to refresh. + swipeRefreshLayout.setOnRefreshListener(() -> currentWebView.reload()); - // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded. - navigatingHistory = true; + // Store the default progress view offsets for use later in `initializeWebView()`. + defaultProgressViewStartOffset = swipeRefreshLayout.getProgressViewStartOffset(); + defaultProgressViewEndOffset = swipeRefreshLayout.getProgressViewEndOffset(); - // Go back. - currentWebView.goBack(); - } else { // There isn't anything to do in Privacy Browser. - // Pass `onBackPressed()` to the system. - super.onBackPressed(); + // Set the swipe to refresh color according to the theme. + if (darkTheme) { + swipeRefreshLayout.setColorSchemeResources(R.color.blue_800); + swipeRefreshLayout.setProgressBackgroundColorSchemeResource(R.color.gray_850); + } else { + swipeRefreshLayout.setColorSchemeResources(R.color.blue_500); } - } - // Process the results of an upload file chooser. Currently there is only one `startActivityForResult` in this activity, so the request code, used to differentiate them, is ignored. - @Override - public void onActivityResult(int requestCode, int resultCode, Intent data) { - // File uploads only work on API >= 21. - if (Build.VERSION.SDK_INT >= 21) { - // Pass the file to the WebView. - fileChooserCallback.onReceiveValue(WebChromeClient.FileChooserParams.parseResult(resultCode, data)); - } - } + // `DrawerTitle` identifies the `DrawerLayouts` in accessibility mode. + drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer)); + drawerLayout.setDrawerTitle(GravityCompat.END, getString(R.string.bookmarks)); - private void loadUrlFromTextBox() { - // Get a handle for the URL edit text. - EditText urlEditText = findViewById(R.id.url_edittext); + // Initialize the bookmarks database helper. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`. + bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0); - // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string. - String unformattedUrlString = urlEditText.getText().toString().trim(); + // Initialize `currentBookmarksFolder`. `""` is the home folder in the database. + currentBookmarksFolder = ""; - // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search. - if (unformattedUrlString.startsWith("content://")) { - // Load the entire content URL. - formattedUrlString = unformattedUrlString; - } else if (Patterns.WEB_URL.matcher(unformattedUrlString).matches() || unformattedUrlString.startsWith("http://") || unformattedUrlString.startsWith("https://") - || unformattedUrlString.startsWith("file://")) { - // Add `https://` at the beginning if there is no protocol. Otherwise the app will segfault. - if (!unformattedUrlString.startsWith("http") && !unformattedUrlString.startsWith("file://") && !unformattedUrlString.startsWith("content://")) { - unformattedUrlString = "https://" + unformattedUrlString; - } + // Load the home folder, which is `""` in the database. + loadBookmarksFolder(); - // Initialize `unformattedUrl`. - URL unformattedUrl = null; + bookmarksListView.setOnItemClickListener((parent, view, position, id) -> { + // Convert the id from long to int to match the format of the bookmarks database. + int databaseId = (int) id; - // Convert `unformattedUrlString` to a `URL`, then to a `URI`, and then back to a `String`, which sanitizes the input and adds in any missing components. - try { - unformattedUrl = new URL(unformattedUrlString); - } catch (MalformedURLException e) { - e.printStackTrace(); - } + // Get the bookmark cursor for this ID. + Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmark(databaseId); - // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value. - String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null; - String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null; - String path = unformattedUrl != null ? unformattedUrl.getPath() : null; - String query = unformattedUrl != null ? unformattedUrl.getQuery() : null; - String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null; + // Move the bookmark cursor to the first row. + bookmarkCursor.moveToFirst(); - // Build the URI. - Uri.Builder formattedUri = new Uri.Builder(); - formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment); + // Act upon the bookmark according to the type. + if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) { // The selected bookmark is a folder. + // Store the new folder name in `currentBookmarksFolder`. + currentBookmarksFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); - // Decode `formattedUri` as a `String` in `UTF-8`. - try { - formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8"); - } catch (UnsupportedEncodingException exception) { - // Load a blank string. - formattedUrlString = ""; - } - } else if (unformattedUrlString.isEmpty()){ // Load a blank web site. - // Load a blank string. - formattedUrlString = ""; - } else { // Search for the contents of the URL box. - // Create an encoded URL String. - String encodedUrlString; + // Load the new folder. + loadBookmarksFolder(); + } else { // The selected bookmark is not a folder. + // Load the bookmark URL. + loadUrl(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL))); - // Sanitize the search input. - try { - encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8"); - } catch (UnsupportedEncodingException exception) { - encodedUrlString = ""; + // Close the bookmarks drawer. + drawerLayout.closeDrawer(GravityCompat.END); } - // Add the base search URL. - formattedUrlString = searchURL + encodedUrlString; - } - - // Clear the focus from the URL edit text. Otherwise, proximate typing in the box will retain the colorized formatting instead of being reset during refocus. - urlEditText.clearFocus(); + // Close the `Cursor`. + bookmarkCursor.close(); + }); - // Make it so. - loadUrl(formattedUrlString); - } + bookmarksListView.setOnItemLongClickListener((parent, view, position, id) -> { + // Convert the database ID from `long` to `int`. + int databaseId = (int) id; - private void loadUrl(String url) {// Apply any custom domain settings. - // Set the URL as the formatted URL string so that checking third-party requests works correctly. - formattedUrlString = url; + // Find out if the selected bookmark is a folder. + boolean isFolder = bookmarksDatabaseHelper.isFolder(databaseId); - // Apply the domain settings. - applyDomainSettings(currentWebView, url, true, false); + if (isFolder) { + // Save the current folder name, which is used in `onSaveEditBookmarkFolder()`. + oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME)); - // Load the URL. - currentWebView.loadUrl(url, customHeaders); - } + // Instantiate the edit folder bookmark dialog. + DialogFragment editBookmarkFolderDialog = EditBookmarkFolderDialog.folderDatabaseId(databaseId, currentWebView.getFavoriteOrDefaultIcon()); - public void findPreviousOnPage(View view) { - // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards. - currentWebView.findNext(false); - } + // Show the edit folder bookmark dialog. + editBookmarkFolderDialog.show(getSupportFragmentManager(), getString(R.string.edit_folder)); + } else { + // Get the bookmark cursor for this ID. + Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmark(databaseId); - public void findNextOnPage(View view) { - // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards. - currentWebView.findNext(true); - } + // Move the bookmark cursor to the first row. + bookmarkCursor.moveToFirst(); - public void closeFindOnPage(View view) { - // Get a handle for the views. - Toolbar toolbar = findViewById(R.id.toolbar); - LinearLayout findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout); + // Load the bookmark in a new tab but do not switch to the tab or close the drawer. + addNewTab(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)), false); + } - // Delete the contents of `find_on_page_edittext`. - findOnPageEditText.setText(null); + // Consume the event. + return true; + }); - // Clear the highlighted phrases. - currentWebView.clearMatches(); + // Get the status bar pixel size. + int statusBarResourceId = getResources().getIdentifier("status_bar_height", "dimen", "android"); + int statusBarPixelSize = getResources().getDimensionPixelSize(statusBarResourceId); - // Hide the find on page linear layout. - findOnPageLinearLayout.setVisibility(View.GONE); + // Get the resource density. + float screenDensity = getResources().getDisplayMetrics().density; - // Show the toolbar. - toolbar.setVisibility(View.VISIBLE); + // Calculate the drawer header padding. This is used to move the text in the drawer headers below any cutouts. + drawerHeaderPaddingLeftAndRight = (int) (15 * screenDensity); + drawerHeaderPaddingTop = statusBarPixelSize + (int) (4 * screenDensity); + drawerHeaderPaddingBottom = (int) (8 * screenDensity); - // Hide the keyboard. - inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0); - } + // The drawer listener is used to update the navigation menu.` + drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() { + @Override + public void onDrawerSlide(@NonNull View drawerView, float slideOffset) { + } - private void applyAppSettings() { - // Get a handle for the shared preferences. - SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + @Override + public void onDrawerOpened(@NonNull View drawerView) { + } - // Store the values from the shared preferences in variables. - incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false); - boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false); - proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false); - fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false); - hideAppBar = sharedPreferences.getBoolean("hide_app_bar", true); - downloadWithExternalApp = sharedPreferences.getBoolean("download_with_external_app", false); + @Override + public void onDrawerClosed(@NonNull View drawerView) { + } - // Get handles for the views that need to be modified. `getSupportActionBar()` must be used until the minimum API >= 21. - FrameLayout rootFrameLayout = findViewById(R.id.root_framelayout); - ActionBar actionBar = getSupportActionBar(); + @Override + public void onDrawerStateChanged(int newState) { + if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // A drawer is opening or closing. + // Get handles for the drawer headers. + TextView navigationHeaderTextView = findViewById(R.id.navigationText); + TextView bookmarksHeaderTextView = findViewById(R.id.bookmarks_title_textview); - // Remove the incorrect lint warnings below that the action bar might be null. - assert actionBar != null; + // Apply the navigation header paddings if the view is not null (sometimes it is null if another activity has already started). This moves the text in the header below any cutouts. + if (navigationHeaderTextView != null) { + navigationHeaderTextView.setPadding(drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingTop, drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingBottom); + } - // Apply the proxy through Orbot settings. - applyProxyThroughOrbot(false); + // Apply the bookmarks header paddings if the view is not null (sometimes it is null if another activity has already started). This moves the text in the header below any cutouts. + if (bookmarksHeaderTextView != null) { + bookmarksHeaderTextView.setPadding(drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingTop, drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingBottom); + } - // Set Do Not Track status. - if (doNotTrackEnabled) { - customHeaders.put("DNT", "1"); - } else { - customHeaders.remove("DNT"); - } + // Update the navigation menu items if the WebView is not null. + if (currentWebView != null) { + navigationBackMenuItem.setEnabled(currentWebView.canGoBack()); + navigationForwardMenuItem.setEnabled(currentWebView.canGoForward()); + navigationHistoryMenuItem.setEnabled((currentWebView.canGoBack() || currentWebView.canGoForward())); + navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + currentWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - // Set the app bar scrolling for each WebView. - for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { - // Get the WebView tab fragment. - WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); + // Hide the keyboard (if displayed). + inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0); + } - // Get the fragment view. - View fragmentView = webViewTabFragment.getView(); + // Clear the focus from from the URL text box and the WebView. This removes any text selection markers and context menus, which otherwise draw above the open drawers. + urlEditText.clearFocus(); + currentWebView.clearFocus(); + } + } + }); - // Only modify the WebViews if they exist. - if (fragmentView != null) { - // Get the nested scroll WebView from the tab fragment. - NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + // Replace the header that `WebView` creates for `X-Requested-With` with a null value. The default value is the application ID (com.stoutner.privacybrowser.standard). + customHeaders.put("X-Requested-With", ""); - // Set the app bar scrolling. - nestedScrollWebView.setNestedScrollingEnabled(sharedPreferences.getBoolean("scroll_app_bar", true)); - } - } + // Inflate a bare WebView to get the default user agent. It is not used to render content on the screen. + @SuppressLint("InflateParams") View webViewLayout = getLayoutInflater().inflate(R.layout.bare_webview, null, false); - // Update the full screen browsing mode settings. - if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) { // Privacy Browser is currently in full screen browsing mode. - // Update the visibility of the app bar, which might have changed in the settings. - if (hideAppBar) { - actionBar.hide(); - } else { - actionBar.show(); - } + // Get a handle for the WebView. + WebView bareWebView = webViewLayout.findViewById(R.id.bare_webview); - // Hide the banner ad in the free flavor. - if (BuildConfig.FLAVOR.contentEquals("free")) { - AdHelper.hideAd(findViewById(R.id.adview)); - } + // Store the default user agent. + webViewDefaultUserAgent = bareWebView.getSettings().getUserAgentString(); - // Remove the translucent status flag. This is necessary so the root frame layout can fill the entire screen. - getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + // Destroy the bare WebView. + bareWebView.destroy(); + } - /* Hide the system bars. - * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. - * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar. - * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. - * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown. - */ - rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | - View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); - } else { // Privacy Browser is not in full screen browsing mode. - // Reset the full screen tracker, which could be true if Privacy Browser was in full screen mode before entering settings and full screen browsing was disabled. - inFullScreenBrowsingMode = false; + @Override + public void navigateHistory(String url, int steps) { + // Apply the domain settings. + applyDomainSettings(currentWebView, url, false, false); - // Show the app bar. - actionBar.show(); + // Load the history entry. + currentWebView.goBackOrForward(steps); + } - // Show the banner ad in the free flavor. - if (BuildConfig.FLAVOR.contentEquals("free")) { - // Initialize the ads. If this isn't the first run, `loadAd()` will be automatically called instead. - AdHelper.initializeAds(findViewById(R.id.adview), getApplicationContext(), getSupportFragmentManager(), getString(R.string.google_app_id), getString(R.string.ad_unit_id)); - } + @Override + public void pinnedErrorGoBack() { + // Get the current web back forward list. + WebBackForwardList webBackForwardList = currentWebView.copyBackForwardList(); - // Remove the `SYSTEM_UI` flags from the root frame layout. - rootFrameLayout.setSystemUiVisibility(0); + // Get the previous entry URL. + String previousUrl = webBackForwardList.getItemAtIndex(webBackForwardList.getCurrentIndex() - 1).getUrl(); - // Add the translucent status flag. - getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); - } - } + // Apply the domain settings. + applyDomainSettings(currentWebView, previousUrl, false, false); + // Go back. + currentWebView.goBack(); + } // `reloadWebsite` is used if returning from the Domains activity. Otherwise JavaScript might not function correctly if it is newly enabled. @SuppressLint("SetJavaScriptEnabled") - private boolean applyDomainSettings(NestedScrollWebView nestedScrollWebView, String url, boolean resetFavoriteIcon, boolean reloadWebsite) { - // Get a handle for the URL relative layout. - RelativeLayout urlRelativeLayout = findViewById(R.id.url_relativelayout); - + private boolean applyDomainSettings(NestedScrollWebView nestedScrollWebView, String url, boolean resetTab, boolean reloadWebsite) { // Store a copy of the current user agent to track changes for the return boolean. String initialUserAgent = nestedScrollWebView.getSettings().getUserAgentString(); + // Store the current URL. + nestedScrollWebView.setCurrentUrl(url); + // Parse the URL into a URI. Uri uri = Uri.parse(url); @@ -3427,8 +3806,8 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook newHostName = ""; } - // Only apply the domain settings if a new domain is being loaded. This allows the user to set temporary settings for JavaScript, cookies, DOM storage, etc. - if (!nestedScrollWebView.getCurrentDomainName().equals(newHostName)) { + // Apply the domain settings if a new domain is being loaded or if the new domain is blank. This allows the user to set temporary settings for JavaScript, cookies, DOM storage, etc. + if (!nestedScrollWebView.getCurrentDomainName().equals(newHostName) || newHostName.equals("")) { // Set the new host name as the current domain name. nestedScrollWebView.setCurrentDomainName(newHostName); @@ -3440,35 +3819,39 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook nestedScrollWebView.clearPinnedIpAddresses(); // Reset the favorite icon if specified. - if (resetFavoriteIcon) { + if (resetTab) { // Initialize the favorite icon. - currentWebView.initializeFavoriteIcon(); + nestedScrollWebView.initializeFavoriteIcon(); + + // Get the current page position. + int currentPagePosition = webViewPagerAdapter.getPositionForId(nestedScrollWebView.getWebViewFragmentId()); // Get a handle for the tab layout. TabLayout tabLayout = findViewById(R.id.tablayout); - // Get the current tab. - TabLayout.Tab currentTab = tabLayout.getTabAt(tabLayout.getSelectedTabPosition()); // TODO. We need to get the tab for this WebView, which might not be the current tab. + // Get the corresponding tab. + TabLayout.Tab tab = tabLayout.getTabAt(currentPagePosition); - // Remove the warning below that the current tab might be null. - assert currentTab != null; + // Update the tab if it isn't null, which sometimes happens when restarting from the background. + if (tab != null) { + // Get the tab custom view. + View tabCustomView = tab.getCustomView(); - // Get the current tab custom view. - View currentTabCustomView = currentTab.getCustomView(); + // Remove the warning below that the tab custom view might be null. + assert tabCustomView != null; - // Remove the warning below that the current tab custom view might be null. - assert currentTabCustomView != null; + // Get the tab views. + ImageView tabFavoriteIconImageView = tabCustomView.findViewById(R.id.favorite_icon_imageview); + TextView tabTitleTextView = tabCustomView.findViewById(R.id.title_textview); - // Get the current tab favorite icon image view. - ImageView currentTabFavoriteIconImageView = currentTabCustomView.findViewById(R.id.favorite_icon_imageview); + // Set the default favorite icon as the favorite icon for this tab. + tabFavoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(nestedScrollWebView.getFavoriteOrDefaultIcon(), 64, 64, true)); - // Set the default favorite icon as the favorite icon for this tab. - currentTabFavoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(nestedScrollWebView.getFavoriteOrDefaultIcon(), 64, 64, true)); + // Set the loading title text. + tabTitleTextView.setText(R.string.loading); + } } - // Get a handle for the swipe refresh layout. - SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); - // Initialize the database handler. The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`. DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0); @@ -3530,12 +3913,21 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook String defaultFontSizeString = sharedPreferences.getString("font_size", getString(R.string.font_size_default_value)); String defaultUserAgentName = sharedPreferences.getString("user_agent", getString(R.string.user_agent_default_value)); boolean defaultSwipeToRefresh = sharedPreferences.getBoolean("swipe_to_refresh", true); - nightMode = sharedPreferences.getBoolean("night_mode", false); // TODO. + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); + boolean wideViewport = sharedPreferences.getBoolean("wide_viewport", true); boolean displayWebpageImages = sharedPreferences.getBoolean("display_webpage_images", true); // Get a handle for the cookie manager. CookieManager cookieManager = CookieManager.getInstance(); + // Get handles for the views. + RelativeLayout urlRelativeLayout = findViewById(R.id.url_relativelayout); + SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); + + // Initialize the user agent array adapter and string array. + ArrayAdapter userAgentNamesArray = ArrayAdapter.createFromResource(this, R.array.user_agent_names, R.layout.spinner_item); + String[] userAgentDataArray = getResources().getStringArray(R.array.user_agent_data); + if (nestedScrollWebView.getDomainSettingsApplied()) { // The url has custom domain settings. // Get a cursor for the current host and move it to the first position. Cursor currentDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase); @@ -3543,21 +3935,22 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Get the settings from the cursor. nestedScrollWebView.setDomainSettingsDatabaseId(currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper._ID))); - boolean domainJavaScriptEnabled = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1); - firstPartyCookiesEnabled = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1); // TODO. + nestedScrollWebView.setDomainSettingsJavaScriptEnabled(currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1); + nestedScrollWebView.setAcceptFirstPartyCookies(currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1); boolean domainThirdPartyCookiesEnabled = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1); - boolean domainDomStorageEnabled = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1); + nestedScrollWebView.getSettings().setDomStorageEnabled(currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1); // Form data can be removed once the minimum API >= 26. - saveFormDataEnabled = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1); // TODO. - nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASY_LIST, + boolean saveFormData = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1); + nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASYLIST, currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)) == 1); - nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASY_PRIVACY, + nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASYPRIVACY, currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYPRIVACY)) == 1); nestedScrollWebView.enableBlocklist(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST, currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_ANNOYANCE_LIST)) == 1); nestedScrollWebView.enableBlocklist(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST, currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FANBOYS_SOCIAL_BLOCKING_LIST)) == 1); - nestedScrollWebView.enableBlocklist(NestedScrollWebView.ULTRA_PRIVACY, + nestedScrollWebView.enableBlocklist(NestedScrollWebView.ULTRALIST, currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ULTRALIST)) == 1); + nestedScrollWebView.enableBlocklist(NestedScrollWebView.ULTRAPRIVACY, currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_ULTRAPRIVACY)) == 1); nestedScrollWebView.enableBlocklist(NestedScrollWebView.THIRD_PARTY_REQUESTS, currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.BLOCK_ALL_THIRD_PARTY_REQUESTS)) == 1); @@ -3565,6 +3958,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook int fontSize = currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)); int swipeToRefreshInt = currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SWIPE_TO_REFRESH)); int nightModeInt = currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE)); + int wideViewportInt = currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.WIDE_VIEWPORT)); int displayWebpageImagesInt = currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES)); boolean pinnedSslCertificate = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)) == 1); String pinnedSslIssuedToCName = currentDomainSettingsCursor.getString(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME)); @@ -3605,40 +3999,47 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook nestedScrollWebView.setPinnedIpAddresses(pinnedHostIpAddresses); } - // Set `nightMode` according to `nightModeInt`. If `nightModeInt` is `DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT` the current setting from `sharedPreferences` will be used. + // Set night mode according to the night mode int. switch (nightModeInt) { - case DomainsDatabaseHelper.NIGHT_MODE_ENABLED: - nightMode = true; // TODO. + case DomainsDatabaseHelper.SYSTEM_DEFAULT: + // Set night mode according to the current default. + nestedScrollWebView.setNightMode(sharedPreferences.getBoolean("night_mode", false)); break; - case DomainsDatabaseHelper.NIGHT_MODE_DISABLED: - nightMode = false; // TODO. + case DomainsDatabaseHelper.ENABLED: + // Enable night mode. + nestedScrollWebView.setNightMode(true); break; - } - // TODO. - // Store the domain JavaScript status. This is used by the options menu night mode toggle. - domainSettingsJavaScriptEnabled = domainJavaScriptEnabled; + case DomainsDatabaseHelper.DISABLED: + // Disable night mode. + nestedScrollWebView.setNightMode(false); + break; + } // Enable JavaScript if night mode is enabled. - if (nightMode) { + if (nestedScrollWebView.getNightMode()) { // Enable JavaScript. nestedScrollWebView.getSettings().setJavaScriptEnabled(true); } else { // Set JavaScript according to the domain settings. - nestedScrollWebView.getSettings().setJavaScriptEnabled(domainJavaScriptEnabled); + nestedScrollWebView.getSettings().setJavaScriptEnabled(nestedScrollWebView.getDomainSettingsJavaScriptEnabled()); } - // Close `currentHostDomainSettingsCursor`. + // Close the current host domain settings cursor. currentDomainSettingsCursor.close(); // Apply the domain settings. - cookieManager.setAcceptCookie(firstPartyCookiesEnabled); //TODO This could be bad. - nestedScrollWebView.getSettings().setDomStorageEnabled(domainDomStorageEnabled); // TODO. Move up. + cookieManager.setAcceptCookie(nestedScrollWebView.getAcceptFirstPartyCookies()); + + // Set third-party cookies status if API >= 21. + if (Build.VERSION.SDK_INT >= 21) { + cookieManager.setAcceptThirdPartyCookies(nestedScrollWebView, domainThirdPartyCookiesEnabled); + } // Apply the form data setting if the API < 26. if (Build.VERSION.SDK_INT < 26) { - nestedScrollWebView.getSettings().setSaveFormData(saveFormDataEnabled); + nestedScrollWebView.getSettings().setSaveFormData(saveFormData); } // Apply the font size. @@ -3648,89 +4049,104 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook nestedScrollWebView.getSettings().setTextZoom(fontSize); } - // Set third-party cookies status if API >= 21. - if (Build.VERSION.SDK_INT >= 21) { - cookieManager.setAcceptThirdPartyCookies(nestedScrollWebView, domainThirdPartyCookiesEnabled); - } + // Set the user agent. + if (userAgentName.equals(getString(R.string.system_default_user_agent))) { // Use the system default user agent. + // Get the array position of the default user agent name. + int defaultUserAgentArrayPosition = userAgentNamesArray.getPosition(defaultUserAgentName); - // Only set the user agent if the webpage is not currently loading. Otherwise, changing the user agent on redirects can cause the original website to reload. - // - if (nestedScrollWebView.getProgress() == 100) { // A URL is not loading. - // Set the user agent. - if (userAgentName.equals(getString(R.string.system_default_user_agent))) { // Use the system default user agent. - // Get the array position of the default user agent name. - int defaultUserAgentArrayPosition = userAgentNamesArray.getPosition(defaultUserAgentName); // TODO Could this be local. - - // Set the user agent according to the system default. - switch (defaultUserAgentArrayPosition) { - case UNRECOGNIZED_USER_AGENT: // The default user agent name is not on the canonical list. - // This is probably because it was set in an older version of Privacy Browser before the switch to persistent user agent names. - nestedScrollWebView.getSettings().setUserAgentString(defaultUserAgentName); - break; - - case SETTINGS_WEBVIEW_DEFAULT_USER_AGENT: - // Set the user agent to `""`, which uses the default value. - nestedScrollWebView.getSettings().setUserAgentString(""); - break; - - case SETTINGS_CUSTOM_USER_AGENT: - // Set the default custom user agent. - nestedScrollWebView.getSettings().setUserAgentString(sharedPreferences.getString("custom_user_agent", getString(R.string.custom_user_agent_default_value))); - break; - - default: - // Get the user agent string from the user agent data array - nestedScrollWebView.getSettings().setUserAgentString(userAgentDataArray[defaultUserAgentArrayPosition]); - } - } else { // Set the user agent according to the stored name. - // Get the array position of the user agent name. - int userAgentArrayPosition = userAgentNamesArray.getPosition(userAgentName); - - switch (userAgentArrayPosition) { - case UNRECOGNIZED_USER_AGENT: // The user agent name contains a custom user agent. - nestedScrollWebView.getSettings().setUserAgentString(userAgentName); - break; - - case SETTINGS_WEBVIEW_DEFAULT_USER_AGENT: - // Set the user agent to `""`, which uses the default value. - nestedScrollWebView.getSettings().setUserAgentString(""); - break; - - default: - // Get the user agent string from the user agent data array. - nestedScrollWebView.getSettings().setUserAgentString(userAgentDataArray[userAgentArrayPosition]); - } + // Set the user agent according to the system default. + switch (defaultUserAgentArrayPosition) { + case UNRECOGNIZED_USER_AGENT: // The default user agent name is not on the canonical list. + // This is probably because it was set in an older version of Privacy Browser before the switch to persistent user agent names. + nestedScrollWebView.getSettings().setUserAgentString(defaultUserAgentName); + break; + + case SETTINGS_WEBVIEW_DEFAULT_USER_AGENT: + // Set the user agent to `""`, which uses the default value. + nestedScrollWebView.getSettings().setUserAgentString(""); + break; + + case SETTINGS_CUSTOM_USER_AGENT: + // Set the default custom user agent. + nestedScrollWebView.getSettings().setUserAgentString(sharedPreferences.getString("custom_user_agent", getString(R.string.custom_user_agent_default_value))); + break; + + default: + // Get the user agent string from the user agent data array + nestedScrollWebView.getSettings().setUserAgentString(userAgentDataArray[defaultUserAgentArrayPosition]); + } + } else { // Set the user agent according to the stored name. + // Get the array position of the user agent name. + int userAgentArrayPosition = userAgentNamesArray.getPosition(userAgentName); + + switch (userAgentArrayPosition) { + case UNRECOGNIZED_USER_AGENT: // The user agent name contains a custom user agent. + nestedScrollWebView.getSettings().setUserAgentString(userAgentName); + break; + + case SETTINGS_WEBVIEW_DEFAULT_USER_AGENT: + // Set the user agent to `""`, which uses the default value. + nestedScrollWebView.getSettings().setUserAgentString(""); + break; + + default: + // Get the user agent string from the user agent data array. + nestedScrollWebView.getSettings().setUserAgentString(userAgentDataArray[userAgentArrayPosition]); } } // Set swipe to refresh. - switch (swipeToRefreshInt) { // TODO. This needs to be set and updated by tab. - case DomainsDatabaseHelper.SWIPE_TO_REFRESH_SYSTEM_DEFAULT: - // Set swipe to refresh according to the default. + switch (swipeToRefreshInt) { + case DomainsDatabaseHelper.SYSTEM_DEFAULT: + // Store the swipe to refresh status in the nested scroll WebView. + nestedScrollWebView.setSwipeToRefresh(defaultSwipeToRefresh); + + // Apply swipe to refresh according to the default. This can be removed once the minimum API >= 23 because it is continuously set by an on scroll change listener. swipeRefreshLayout.setEnabled(defaultSwipeToRefresh); break; - case DomainsDatabaseHelper.SWIPE_TO_REFRESH_ENABLED: - // Enable swipe to refresh. + case DomainsDatabaseHelper.ENABLED: + // Store the swipe to refresh status in the nested scroll WebView. + nestedScrollWebView.setSwipeToRefresh(true); + + // Enable swipe to refresh. This can be removed once the minimum API >= 23 because it is continuously set by an on scroll change listener. swipeRefreshLayout.setEnabled(true); break; - case DomainsDatabaseHelper.SWIPE_TO_REFRESH_DISABLED: - // Disable swipe to refresh. + case DomainsDatabaseHelper.DISABLED: + // Store the swipe to refresh status in the nested scroll WebView. + nestedScrollWebView.setSwipeToRefresh(false); + + // Disable swipe to refresh. This can be removed once the minimum API >= 23 because it is continuously set by an on scroll change listener. swipeRefreshLayout.setEnabled(false); } + // Set the viewport. + switch (wideViewportInt) { + case DomainsDatabaseHelper.SYSTEM_DEFAULT: + nestedScrollWebView.getSettings().setUseWideViewPort(wideViewport); + break; + + case DomainsDatabaseHelper.ENABLED: + nestedScrollWebView.getSettings().setUseWideViewPort(true); + break; + + case DomainsDatabaseHelper.DISABLED: + nestedScrollWebView.getSettings().setUseWideViewPort(false); + break; + } + // Set the loading of webpage images. switch (displayWebpageImagesInt) { - case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT: + case DomainsDatabaseHelper.SYSTEM_DEFAULT: nestedScrollWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImages); break; - case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED: + case DomainsDatabaseHelper.ENABLED: nestedScrollWebView.getSettings().setLoadsImagesAutomatically(true); break; - case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED: + case DomainsDatabaseHelper.DISABLED: nestedScrollWebView.getSettings().setLoadsImagesAutomatically(false); break; } @@ -3744,19 +4160,21 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } else { // The new URL does not have custom domain settings. Load the defaults. // Store the values from the shared preferences. boolean defaultJavaScriptEnabled = sharedPreferences.getBoolean("javascript", false); - firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies", false); // TODO. + nestedScrollWebView.setAcceptFirstPartyCookies(sharedPreferences.getBoolean("first_party_cookies", false)); boolean defaultThirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies", false); nestedScrollWebView.getSettings().setDomStorageEnabled(sharedPreferences.getBoolean("dom_storage", false)); - saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data", false); // Form data can be removed once the minimum API >= 26. // TODO. - nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASY_LIST, sharedPreferences.getBoolean("easylist", true)); - nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASY_PRIVACY, sharedPreferences.getBoolean("easyprivacy", true)); + boolean saveFormData = sharedPreferences.getBoolean("save_form_data", false); // Form data can be removed once the minimum API >= 26. + nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASYLIST, sharedPreferences.getBoolean("easylist", true)); + nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASYPRIVACY, sharedPreferences.getBoolean("easyprivacy", true)); nestedScrollWebView.enableBlocklist(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST, sharedPreferences.getBoolean("fanboys_annoyance_list", true)); nestedScrollWebView.enableBlocklist(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST, sharedPreferences.getBoolean("fanboys_social_blocking_list", true)); - nestedScrollWebView.enableBlocklist(NestedScrollWebView.ULTRA_PRIVACY, sharedPreferences.getBoolean("ultraprivacy", true)); + nestedScrollWebView.enableBlocklist(NestedScrollWebView.ULTRALIST, sharedPreferences.getBoolean("ultralist", true)); + nestedScrollWebView.enableBlocklist(NestedScrollWebView.ULTRAPRIVACY, sharedPreferences.getBoolean("ultraprivacy", true)); nestedScrollWebView.enableBlocklist(NestedScrollWebView.THIRD_PARTY_REQUESTS, sharedPreferences.getBoolean("block_all_third_party_requests", false)); + nestedScrollWebView.setNightMode(sharedPreferences.getBoolean("night_mode", false)); // Enable JavaScript if night mode is enabled. - if (nightMode) { + if (nestedScrollWebView.getNightMode()) { // Enable JavaScript. nestedScrollWebView.getSettings().setJavaScriptEnabled(true); } else { @@ -3765,15 +4183,20 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } // Apply the default settings. - cookieManager.setAcceptCookie(firstPartyCookiesEnabled); // TODO. + cookieManager.setAcceptCookie(nestedScrollWebView.getAcceptFirstPartyCookies()); nestedScrollWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString)); - swipeRefreshLayout.setEnabled(defaultSwipeToRefresh); // Apply the form data setting if the API < 26. if (Build.VERSION.SDK_INT < 26) { - currentWebView.getSettings().setSaveFormData(saveFormDataEnabled); + nestedScrollWebView.getSettings().setSaveFormData(saveFormData); } + // Store the swipe to refresh status in the nested scroll WebView. + nestedScrollWebView.setSwipeToRefresh(defaultSwipeToRefresh); + + // Apply swipe to refresh according to the default. + swipeRefreshLayout.setEnabled(defaultSwipeToRefresh); + // Reset the pinned variables. nestedScrollWebView.setDomainSettingsDatabaseId(-1); @@ -3782,35 +4205,34 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook cookieManager.setAcceptThirdPartyCookies(nestedScrollWebView, defaultThirdPartyCookiesEnabled); } - // Only set the user agent if the webpage is not currently loading. Otherwise, changing the user agent on redirects can cause the original website to reload. - // - if (nestedScrollWebView.getProgress() == 100) { // A URL is not loading. - // Get the array position of the user agent name. - int userAgentArrayPosition = userAgentNamesArray.getPosition(defaultUserAgentName); + // Get the array position of the user agent name. + int userAgentArrayPosition = userAgentNamesArray.getPosition(defaultUserAgentName); - // Set the user agent. - switch (userAgentArrayPosition) { - case UNRECOGNIZED_USER_AGENT: // The default user agent name is not on the canonical list. - // This is probably because it was set in an older version of Privacy Browser before the switch to persistent user agent names. - nestedScrollWebView.getSettings().setUserAgentString(defaultUserAgentName); - break; + // Set the user agent. + switch (userAgentArrayPosition) { + case UNRECOGNIZED_USER_AGENT: // The default user agent name is not on the canonical list. + // This is probably because it was set in an older version of Privacy Browser before the switch to persistent user agent names. + nestedScrollWebView.getSettings().setUserAgentString(defaultUserAgentName); + break; - case SETTINGS_WEBVIEW_DEFAULT_USER_AGENT: - // Set the user agent to `""`, which uses the default value. - nestedScrollWebView.getSettings().setUserAgentString(""); - break; + case SETTINGS_WEBVIEW_DEFAULT_USER_AGENT: + // Set the user agent to `""`, which uses the default value. + nestedScrollWebView.getSettings().setUserAgentString(""); + break; - case SETTINGS_CUSTOM_USER_AGENT: - // Set the default custom user agent. - nestedScrollWebView.getSettings().setUserAgentString(sharedPreferences.getString("custom_user_agent", getString(R.string.custom_user_agent_default_value))); - break; + case SETTINGS_CUSTOM_USER_AGENT: + // Set the default custom user agent. + nestedScrollWebView.getSettings().setUserAgentString(sharedPreferences.getString("custom_user_agent", getString(R.string.custom_user_agent_default_value))); + break; - default: - // Get the user agent string from the user agent data array - nestedScrollWebView.getSettings().setUserAgentString(userAgentDataArray[userAgentArrayPosition]); - } + default: + // Get the user agent string from the user agent data array + nestedScrollWebView.getSettings().setUserAgentString(userAgentDataArray[userAgentArrayPosition]); } + // Set the viewport. + nestedScrollWebView.getSettings().setUseWideViewPort(wideViewport); + // Set the loading of webpage images. nestedScrollWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImages); @@ -3838,30 +4260,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Get a handle for the shared preferences. SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - // Get the search preferences. - String homepageString = sharedPreferences.getString("homepage", getString(R.string.homepage_default_value)); - String torHomepageString = sharedPreferences.getString("tor_homepage", getString(R.string.tor_homepage_default_value)); + // Get the search and theme preferences. String torSearchString = sharedPreferences.getString("tor_search", getString(R.string.tor_search_default_value)); String torSearchCustomUrlString = sharedPreferences.getString("tor_search_custom_url", getString(R.string.tor_search_custom_url_default_value)); String searchString = sharedPreferences.getString("search", getString(R.string.search_default_value)); String searchCustomUrlString = sharedPreferences.getString("search_custom_url", getString(R.string.search_custom_url_default_value)); + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); - // Get a handle for the action bar. `getSupportActionBar()` must be used until the minimum API >= 21. - ActionBar actionBar = getSupportActionBar(); - - // Remove the incorrect lint warning later that the action bar might be null. - assert actionBar != null; + // Get a handle for the app bar layout. + AppBarLayout appBarLayout = findViewById(R.id.appbar_layout); // Set the homepage, search, and proxy options. if (proxyThroughOrbot) { // Set the Tor options. - // Set `torHomepageString` as `homepage`. - homepage = torHomepageString; - - // If formattedUrlString is null assign the homepage to it. - if (formattedUrlString == null) { - formattedUrlString = homepage; - } - // Set the search URL. if (torSearchString.equals("Custom URL")) { // Get the custom URL string. searchURL = torSearchCustomUrlString; @@ -3872,11 +4282,11 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed. OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118"); - // Set the `appBar` background to indicate proxying through Orbot is enabled. `this` refers to the context. + // Set the app bar background to indicate proxying through Orbot is enabled. if (darkTheme) { - actionBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.dark_blue_30)); + appBarLayout.setBackgroundResource(R.color.dark_blue_30); } else { - actionBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.blue_50)); + appBarLayout.setBackgroundResource(R.color.blue_50); } // Check to see if Orbot is ready. @@ -3888,20 +4298,12 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook currentWebView.getSettings().setUseWideViewPort(false); // Load a waiting page. `null` specifies no encoding, which defaults to ASCII. - currentWebView.loadData(waitingForOrbotHtmlString, "text/html", null); + currentWebView.loadData("

" + getString(R.string.waiting_for_orbot) + "

", "text/html", null); } else if (reloadWebsite) { // Orbot is ready and the website should be reloaded. // Reload the website. currentWebView.reload(); } } else { // Set the non-Tor options. - // Set `homepageString` as `homepage`. - homepage = homepageString; - - // If formattedUrlString is null assign the homepage to it. - if (formattedUrlString == null) { - formattedUrlString = homepage; - } - // Set the search URL. if (searchString.equals("Custom URL")) { // Get the custom URL string. searchURL = searchCustomUrlString; @@ -3912,11 +4314,11 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Reset the proxy to default. The host is `""` and the port is `"0"`. OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0"); - // Set the default `appBar` background. `this` refers to the context. + // Set the default app bar layout background. if (darkTheme) { - actionBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_900)); + appBarLayout.setBackgroundResource(R.color.gray_900); } else { - actionBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_100)); + appBarLayout.setBackgroundResource(R.color.gray_100); } // Reset `waitingForOrbot. @@ -3946,8 +4348,14 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) { - // Only update the privacy icons if the options menu has already been populated. - if (optionsMenu != null) { + // Only update the privacy icons if the options menu and the current WebView have already been populated. + if ((optionsMenu != null) && (currentWebView != null)) { + // Get a handle for the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + + // Get the theme and screenshot preferences. + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); + // Get handles for the menu items. MenuItem privacyMenuItem = optionsMenu.findItem(R.id.toggle_javascript); MenuItem firstPartyCookiesMenuItem = optionsMenu.findItem(R.id.toggle_first_party_cookies); @@ -3957,14 +4365,14 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Update the privacy icon. if (currentWebView.getSettings().getJavaScriptEnabled()) { // JavaScript is enabled. privacyMenuItem.setIcon(R.drawable.javascript_enabled); - } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled. + } else if (currentWebView.getAcceptFirstPartyCookies()) { // JavaScript is disabled but cookies are enabled. privacyMenuItem.setIcon(R.drawable.warning); } else { // All the dangerous features are disabled. privacyMenuItem.setIcon(R.drawable.privacy_mode); } // Update the first-party cookies icon. - if (firstPartyCookiesEnabled) { // First-party cookies are enabled. + if (currentWebView.getAcceptFirstPartyCookies()) { // First-party cookies are enabled. firstPartyCookiesMenuItem.setIcon(R.drawable.cookies_enabled); } else { // First-party cookies are disabled. if (darkTheme) { @@ -4123,73 +4531,380 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } }; - // Populate the `ListView` with the adapter. + // Get a handle for the bookmarks list view. + ListView bookmarksListView = findViewById(R.id.bookmarks_drawer_listview); + + // Populate the list view with the adapter. bookmarksListView.setAdapter(bookmarksCursorAdapter); + // Get a handle for the bookmarks title text view. + TextView bookmarksTitleTextView = findViewById(R.id.bookmarks_title_textview); + // Set the bookmarks drawer title. if (currentBookmarksFolder.isEmpty()) { bookmarksTitleTextView.setText(R.string.bookmarks); } else { bookmarksTitleTextView.setText(currentBookmarksFolder); } - } + } + + private void openWithApp(String url) { + // Create the open with intent with `ACTION_VIEW`. + Intent openWithAppIntent = new Intent(Intent.ACTION_VIEW); + + // Set the URI but not the MIME type. This should open all available apps. + openWithAppIntent.setData(Uri.parse(url)); + + // Flag the intent to open in a new task. + openWithAppIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + + try { + // Show the chooser. + startActivity(openWithAppIntent); + } catch (ActivityNotFoundException exception) { + // Show a snackbar with the error. + Snackbar.make(currentWebView, getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show(); + } + } + + private void openWithBrowser(String url) { + // Create the open with intent with `ACTION_VIEW`. + Intent openWithBrowserIntent = new Intent(Intent.ACTION_VIEW); + + // Set the URI and the MIME type. `"text/html"` should load browser options. + openWithBrowserIntent.setDataAndType(Uri.parse(url), "text/html"); + + // Flag the intent to open in a new task. + openWithBrowserIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + + try { + // Show the chooser. + startActivity(openWithBrowserIntent); + } catch (ActivityNotFoundException exception) { + // Show a snackbar with the error. + Snackbar.make(currentWebView, getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show(); + } + } + + private String sanitizeUrl(String url) { + // Sanitize Google Analytics. + if (sanitizeGoogleAnalytics) { + // Remove `?utm_`. + if (url.contains("?utm_")) { + url = url.substring(0, url.indexOf("?utm_")); + } + + // Remove `&utm_`. + if (url.contains("&utm_")) { + url = url.substring(0, url.indexOf("&utm_")); + } + } + + // Sanitize Facebook Click IDs. + if (sanitizeFacebookClickIds) { + // Remove `?fbclid=`. + if (url.contains("?fbclid=")) { + url = url.substring(0, url.indexOf("?fbclid=")); + } + + // Remove `&fbclid=`. + if (url.contains("&fbclid=")) { + url = url.substring(0, url.indexOf("&fbclid=")); + } + + // Remove `?fbadid=`. + if (url.contains("?fbadid=")) { + url = url.substring(0, url.indexOf("?fbadid=")); + } + + // Remove `&fbadid=`. + if (url.contains("&fbadid=")) { + url = url.substring(0, url.indexOf("&fbadid=")); + } + } + + // Sanitize Twitter AMP redirects. + if (sanitizeTwitterAmpRedirects) { + // Remove `?amp=1`. + if (url.contains("?amp=1")) { + url = url.substring(0, url.indexOf("?amp=1")); + } + } + + // Return the sanitized URL. + return url; + } + + public void finishedPopulatingBlocklists(ArrayList>> combinedBlocklists) { + // Store the blocklists. + easyList = combinedBlocklists.get(0); + easyPrivacy = combinedBlocklists.get(1); + fanboysAnnoyanceList = combinedBlocklists.get(2); + fanboysSocialList = combinedBlocklists.get(3); + ultraList = combinedBlocklists.get(4); + ultraPrivacy = combinedBlocklists.get(5); + + // Add the first tab. + addNewTab("", true); + } + + public void addTab(View view) { + // Add a new tab with a blank URL. + addNewTab("", true); + } + + private void addNewTab(String url, boolean moveToTab) { + // Sanitize the URL. + url = sanitizeUrl(url); + + // Get a handle for the tab layout and the view pager. + TabLayout tabLayout = findViewById(R.id.tablayout); + ViewPager webViewPager = findViewById(R.id.webviewpager); + + // Get the new page number. The page numbers are 0 indexed, so the new page number will match the current count. + int newTabNumber = tabLayout.getTabCount(); + + // Add a new tab. + tabLayout.addTab(tabLayout.newTab()); + + // Get the new tab. + TabLayout.Tab newTab = tabLayout.getTabAt(newTabNumber); + + // Remove the lint warning below that the current tab might be null. + assert newTab != null; + + // Set a custom view on the new tab. + newTab.setCustomView(R.layout.tab_custom_view); + + // Add the new WebView page. + webViewPagerAdapter.addPage(newTabNumber, webViewPager, url, moveToTab); + } + + public void closeTab(View view) { + // Get a handle for the tab layout. + TabLayout tabLayout = findViewById(R.id.tablayout); + + // Run the command according to the number of tabs. + if (tabLayout.getTabCount() > 1) { // There is more than one tab open. + // Close the current tab. + closeCurrentTab(); + } else { // There is only one tab open. + clearAndExit(); + } + } + + private void closeCurrentTab() { + // Get handles for the views. + AppBarLayout appBarLayout = findViewById(R.id.appbar_layout); + TabLayout tabLayout = findViewById(R.id.tablayout); + ViewPager webViewPager = findViewById(R.id.webviewpager); + + // Get the current tab number. + int currentTabNumber = tabLayout.getSelectedTabPosition(); + + // Delete the current tab. + tabLayout.removeTabAt(currentTabNumber); + + // Delete the current page. If the selected page number did not change during the delete, it will return true, meaning that the current WebView must be reset. + if (webViewPagerAdapter.deletePage(currentTabNumber, webViewPager)) { + setCurrentWebView(currentTabNumber); + } + + // Expand the app bar if it is currently collapsed. + appBarLayout.setExpanded(true); + } + + private void clearAndExit() { + // Get a handle for the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + + // Close the bookmarks cursor and database. + bookmarksCursor.close(); + bookmarksDatabaseHelper.close(); + + // Get the status of the clear everything preference. + boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true); + + // Get a handle for the runtime. + Runtime runtime = Runtime.getRuntime(); + + // Get the application's private data directory, which will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, + // which links to `/data/data/com.stoutner.privacybrowser.standard`. + String privateDataDirectoryString = getApplicationInfo().dataDir; + + // Clear cookies. + if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) { + // The command to remove cookies changed slightly in API 21. + if (Build.VERSION.SDK_INT >= 21) { + CookieManager.getInstance().removeAllCookies(null); + } else { + CookieManager.getInstance().removeAllCookie(); + } + + // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run. + try { + // Two commands must be used because `Runtime.exec()` does not like `*`. + Process deleteCookiesProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies"); + Process deleteCookiesJournalProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal"); + + // Wait until the processes have finished. + deleteCookiesProcess.waitFor(); + deleteCookiesJournalProcess.waitFor(); + } catch (Exception exception) { + // Do nothing if an error is thrown. + } + } + + // Clear DOM storage. + if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) { + // Ask `WebStorage` to clear the DOM storage. + WebStorage webStorage = WebStorage.getInstance(); + webStorage.deleteAllData(); + + // Manually delete the DOM storage files and directories, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run. + try { + // A `String[]` must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly. + Process deleteLocalStorageProcess = runtime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"}); + + // Multiple commands must be used because `Runtime.exec()` does not like `*`. + Process deleteIndexProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/IndexedDB"); + Process deleteQuotaManagerProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager"); + Process deleteQuotaManagerJournalProcess = runtime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager-journal"); + Process deleteDatabaseProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/databases"); + + // Wait until the processes have finished. + deleteLocalStorageProcess.waitFor(); + deleteIndexProcess.waitFor(); + deleteQuotaManagerProcess.waitFor(); + deleteQuotaManagerJournalProcess.waitFor(); + deleteDatabaseProcess.waitFor(); + } catch (Exception exception) { + // Do nothing if an error is thrown. + } + } + + // Clear form data if the API < 26. + if ((Build.VERSION.SDK_INT < 26) && (clearEverything || sharedPreferences.getBoolean("clear_form_data", true))) { + WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this); + webViewDatabase.clearFormData(); + + // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run. + try { + // A string array must be used because the database contains a space and `Runtime.exec` will not otherwise escape the string correctly. + Process deleteWebDataProcess = runtime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"}); + Process deleteWebDataJournalProcess = runtime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"}); + + // Wait until the processes have finished. + deleteWebDataProcess.waitFor(); + deleteWebDataJournalProcess.waitFor(); + } catch (Exception exception) { + // Do nothing if an error is thrown. + } + } - private void openWithApp(String url) { - // Create the open with intent with `ACTION_VIEW`. - Intent openWithAppIntent = new Intent(Intent.ACTION_VIEW); + // Clear the cache. + if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) { + // Clear the cache from each WebView. + for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { + // Get the WebView tab fragment. + WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); - // Set the URI but not the MIME type. This should open all available apps. - openWithAppIntent.setData(Uri.parse(url)); + // Get the fragment view. + View fragmentView = webViewTabFragment.getView(); - // Flag the intent to open in a new task. - openWithAppIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + // Only clear the cache if the WebView exists. + if (fragmentView != null) { + // Get the nested scroll WebView from the tab fragment. + NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); - // Show the chooser. - startActivity(openWithAppIntent); - } + // Clear the cache for this WebView. + nestedScrollWebView.clearCache(true); + } + } - private void openWithBrowser(String url) { - // Create the open with intent with `ACTION_VIEW`. - Intent openWithBrowserIntent = new Intent(Intent.ACTION_VIEW); + // Manually delete the cache directories. + try { + // Delete the main cache directory. + Process deleteCacheProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/cache"); + + // Delete the secondary `Service Worker` cache directory. + // A string array must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly. + Process deleteServiceWorkerProcess = runtime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"}); + + // Wait until the processes have finished. + deleteCacheProcess.waitFor(); + deleteServiceWorkerProcess.waitFor(); + } catch (Exception exception) { + // Do nothing if an error is thrown. + } + } - // Set the URI and the MIME type. `"text/html"` should load browser options. - openWithBrowserIntent.setDataAndType(Uri.parse(url), "text/html"); + // Wipe out each WebView. + for (int i = 0; i < webViewPagerAdapter.getCount(); i++) { + // Get the WebView tab fragment. + WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i); - // Flag the intent to open in a new task. - openWithBrowserIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + // Get the fragment view. + View fragmentView = webViewTabFragment.getView(); - // Show the chooser. - startActivity(openWithBrowserIntent); - } + // Only wipe out the WebView if it exists. + if (fragmentView != null) { + // Get the nested scroll WebView from the tab fragment. + NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview); - public void addTab(View view) { - // Get a handle for the tab layout and the view pager. - TabLayout tabLayout = findViewById(R.id.tablayout); - ViewPager webViewPager = findViewById(R.id.webviewpager); + // Clear SSL certificate preferences for this WebView. + nestedScrollWebView.clearSslPreferences(); - // Get the new page number. The page numbers are 0 indexed, so the new page number will match the current count. - int newTabNumber = tabLayout.getTabCount(); + // Clear the back/forward history for this WebView. + nestedScrollWebView.clearHistory(); - // Add a new tab. - tabLayout.addTab(tabLayout.newTab()); + // Destroy the internal state of `mainWebView`. + nestedScrollWebView.destroy(); + } + } - // Get the new tab. - TabLayout.Tab newTab = tabLayout.getTabAt(newTabNumber); + // Clear the custom headers. + customHeaders.clear(); - // Remove the lint warning below that the current tab might be null. - assert newTab != null; + // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache. + // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`. + if (clearEverything) { + try { + // Delete the folder. + Process deleteAppWebviewProcess = runtime.exec("rm -rf " + privateDataDirectoryString + "/app_webview"); - // Set a custom view on the new tab. - newTab.setCustomView(R.layout.custom_tab_view); + // Wait until the process has finished. + deleteAppWebviewProcess.waitFor(); + } catch (Exception exception) { + // Do nothing if an error is thrown. + } + } - // Add the new WebView page. - webViewPagerAdapter.addPage(newTabNumber, webViewPager); + // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list. + if (Build.VERSION.SDK_INT >= 21) { + finishAndRemoveTask(); + } else { + finish(); + } + + // Remove the terminated program from RAM. The status code is `0`. + System.exit(0); } private void setCurrentWebView(int pageNumber) { + // Get a handle for the shared preferences. + SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + + // Get the theme preference. + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); + // Get handles for the URL views. RelativeLayout urlRelativeLayout = findViewById(R.id.url_relativelayout); EditText urlEditText = findViewById(R.id.url_edittext); + SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); + + // Stop the swipe to refresh indicator if it is running + swipeRefreshLayout.setRefreshing(false); // Get the WebView tab fragment. WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(pageNumber); @@ -4197,66 +4912,123 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Get the fragment view. View fragmentView = webViewTabFragment.getView(); - // Remove the incorrect lint warning below that the fragment view might be null. - assert fragmentView != null; + // Set the current WebView if the fragment view is not null. + if (fragmentView != null) { // The fragment has been populated. + // Store the current WebView. + currentWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + + // Update the status of swipe to refresh. + if (currentWebView.getSwipeToRefresh()) { // Swipe to refresh is enabled. + // Enable the swipe refresh layout if the WebView is scrolled all the way to the top. It is updated every time the scroll changes. + swipeRefreshLayout.setEnabled(currentWebView.getY() == 0); + } else { // Swipe to refresh is disabled. + // Disable the swipe refresh layout. + swipeRefreshLayout.setEnabled(false); + } - // Store the current WebView. - currentWebView = fragmentView.findViewById(R.id.nestedscroll_webview); + // Get a handle for the cookie manager. + CookieManager cookieManager = CookieManager.getInstance(); - // Update the privacy icons. `true` redraws the icons in the app bar. - updatePrivacyIcons(true); + // Set the first-party cookie status. + cookieManager.setAcceptCookie(currentWebView.getAcceptFirstPartyCookies()); - // Store the current formatted URL string. - formattedUrlString = currentWebView.getUrl(); + // Update the privacy icons. `true` redraws the icons in the app bar. + updatePrivacyIcons(true); - // Clear the focus from the URL text box. - urlEditText.clearFocus(); + // Get a handle for the input method manager. + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); - // Hide the soft keyboard. - inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0); + // Remove the lint warning below that the input method manager might be null. + assert inputMethodManager != null; - // Display the current URL in the URL text box. - urlEditText.setText(formattedUrlString); + // Get the current URL. + String url = currentWebView.getUrl(); - // Highlight the URL text. - highlightUrlText(); + // Update the URL edit text if not loading a new intent. Otherwise, this will be handled by `onPageStarted()` (if called) and `onPageFinished()`. + if (!loadingNewIntent) { // A new intent is not being loaded. + if ((url == null) || url.equals("about:blank")) { // The WebView is blank. + // Display the hint in the URL edit text. + urlEditText.setText(""); - // Set the background to indicate the domain settings status. - if (currentWebView.getDomainSettingsApplied()) { - // Set a green background on the URL relative layout to indicate that custom domain settings are being used. The deprecated `.getDrawable()` must be used until the minimum API >= 21. - if (darkTheme) { - urlRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue)); + // Request focus for the URL text box. + urlEditText.requestFocus(); + + // Display the keyboard. + inputMethodManager.showSoftInput(urlEditText, 0); + } else { // The WebView has a loaded URL. + // Clear the focus from the URL text box. + urlEditText.clearFocus(); + + // Hide the soft keyboard. + inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0); + + // Display the current URL in the URL text box. + urlEditText.setText(url); + + // Highlight the URL text. + highlightUrlText(); + } + } else { // A new intent is being loaded. + // Reset the loading new intent tracker. + loadingNewIntent = false; + } + + // Set the background to indicate the domain settings status. + if (currentWebView.getDomainSettingsApplied()) { + // Set a green background on the URL relative layout to indicate that custom domain settings are being used. The deprecated `.getDrawable()` must be used until the minimum API >= 21. + if (darkTheme) { + urlRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue)); + } else { + urlRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green)); + } } else { - urlRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green)); + urlRelativeLayout.setBackground(getResources().getDrawable(R.color.transparent)); } - } else { - urlRelativeLayout.setBackground(getResources().getDrawable(R.color.transparent)); + } else { // The fragment has not been populated. Try again in 100 milliseconds. + // Create a handler to set the current WebView. + Handler setCurrentWebViewHandler = new Handler(); + + // Create a runnable to set the current WebView. + Runnable setCurrentWebWebRunnable = () -> { + // Set the current WebView. + setCurrentWebView(pageNumber); + }; + + // Try setting the current WebView again after 100 milliseconds. + setCurrentWebViewHandler.postDelayed(setCurrentWebWebRunnable, 100); } } @Override - public void initializeWebView(NestedScrollWebView nestedScrollWebView, int pageNumber, ProgressBar progressBar) { + public void initializeWebView(NestedScrollWebView nestedScrollWebView, int pageNumber, ProgressBar progressBar, String url) { // Get handles for the activity views. FrameLayout rootFrameLayout = findViewById(R.id.root_framelayout); DrawerLayout drawerLayout = findViewById(R.id.drawerlayout); RelativeLayout mainContentRelativeLayout = findViewById(R.id.main_content_relativelayout); ActionBar actionBar = getSupportActionBar(); + LinearLayout tabsLinearLayout = findViewById(R.id.tabs_linearlayout); EditText urlEditText = findViewById(R.id.url_edittext); TabLayout tabLayout = findViewById(R.id.tablayout); SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout); - // Remove the incorrect lint warnings below that the some of the views might be null. + // Remove the incorrect lint warning below that the action bar might be null. assert actionBar != null; // Get a handle for the activity Activity activity = this; + // Get a handle for the input method manager. + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); + + // Instantiate the blocklist helper. + BlocklistHelper blocklistHelper = new BlocklistHelper(); + + // Remove the lint warning below that the input method manager might be null. + assert inputMethodManager != null; + // Get a handle for the shared preferences. SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - // Get the relevant preferences. - boolean downloadWithExternalApp = sharedPreferences.getBoolean("download_with_external_app", false); - // Initialize the favorite icon. nestedScrollWebView.initializeFavoriteIcon(); @@ -4274,9 +5046,6 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook nestedScrollWebView.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_NEVER_ALLOW); } - // Set the WebView to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen. - nestedScrollWebView.getSettings().setUseWideViewPort(true); - // Set the WebView to load in overview mode (zoomed out to the maximum width). nestedScrollWebView.getSettings().setLoadWithOverviewMode(true); @@ -4294,9 +5063,25 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Toggle the full screen browsing mode. if (inFullScreenBrowsingMode) { // Switch to full screen mode. + // Store the swipe refresh layout top padding. + swipeRefreshLayoutPaddingTop = swipeRefreshLayout.getPaddingTop(); + // Hide the app bar if specified. if (hideAppBar) { + // Close the find on page bar if it is visible. + closeFindOnPage(null); + + // Hide the tab linear layout. + tabsLinearLayout.setVisibility(View.GONE); + + // Hide the action bar. actionBar.hide(); + + // Check to see if app bar scrolling is disabled. + if (!scrollAppBar) { + // Remove the padding from the top of the swipe refresh layout. + swipeRefreshLayout.setPadding(0, 0, 0, 0); + } } // Hide the banner ad in the free flavor. @@ -4316,9 +5101,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); } else { // Switch to normal viewing mode. - // Show the app bar. + // Show the tab linear layout. + tabsLinearLayout.setVisibility(View.VISIBLE); + + // Show the action bar. actionBar.show(); + // Check to see if app bar scrolling is disabled. + if (!scrollAppBar) { + // Add the padding from the top of the swipe refresh layout. + swipeRefreshLayout.setPadding(0, swipeRefreshLayoutPaddingTop, 0, 0); + } + // Show the banner ad in the free flavor. if (BuildConfig.FLAVOR.contentEquals("free")) { // Reload the ad. @@ -4353,14 +5147,14 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook registerForContextMenu(nestedScrollWebView); // Allow the downloading of files. - nestedScrollWebView.setDownloadListener((String url, String userAgent, String contentDisposition, String mimetype, long contentLength) -> { + nestedScrollWebView.setDownloadListener((String downloadUrl, String userAgent, String contentDisposition, String mimetype, long contentLength) -> { // Check if the download should be processed by an external app. - if (downloadWithExternalApp) { // Download with an external app. + if (sharedPreferences.getBoolean("download_with_external_app", false)) { // Download with an external app. // Create a download intent. Not specifying the action type will display the maximum number of options. Intent downloadIntent = new Intent(); // Set the URI and the MIME type. Specifying `text/html` displays a good number of options. - downloadIntent.setDataAndType(Uri.parse(url), "text/html"); + downloadIntent.setDataAndType(Uri.parse(downloadUrl), "text/html"); // Flag the intent to open in a new task. downloadIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); @@ -4373,7 +5167,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // The WRITE_EXTERNAL_STORAGE permission needs to be requested. // Store the variables for future use by `onRequestPermissionsResult()`. - downloadUrl = url; + this.downloadUrl = downloadUrl; downloadContentDisposition = contentDisposition; downloadContentLength = contentLength; @@ -4390,7 +5184,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } } else { // The storage permission has already been granted. // Get a handle for the download file alert dialog. - DialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength); + DialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(downloadUrl, contentDisposition, contentLength); // Show the download file alert dialog. downloadFileDialogFragment.show(getSupportFragmentManager(), getString(R.string.download)); @@ -4421,13 +5215,35 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } }); + // Update the status of swipe to refresh based on the scroll position of the nested scroll WebView. Also reinforce full screen browsing mode. + // Once the minimum API >= 23 this can be replaced with `nestedScrollWebView.setOnScrollChangeListener()`. + nestedScrollWebView.getViewTreeObserver().addOnScrollChangedListener(() -> { + if (nestedScrollWebView.getSwipeToRefresh()) { + // Only enable swipe to refresh if the WebView is scrolled to the top. + swipeRefreshLayout.setEnabled(nestedScrollWebView.getScrollY() == 0); + } + + // Reinforce the system UI visibility flags if in full screen browsing mode. + // This hides the status and navigation bars, which are displayed if other elements are shown, like dialog boxes, the options menu, or the keyboard. + if (inFullScreenBrowsingMode) { + /* Hide the system bars. + * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar. + * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. + * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown. + */ + rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | + View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + } + }); + // Set the web chrome client. nestedScrollWebView.setWebChromeClient(new WebChromeClient() { // Update the progress bar when a page is loading. @Override public void onProgressChanged(WebView view, int progress) { // Inject the night mode CSS if night mode is enabled. - if (nightMode) { + if (nestedScrollWebView.getNightMode()) { // Night mode is enabled. // `background-color: #212121` sets the background to be dark gray. `color: #BDBDBD` sets the text color to be light gray. `box-shadow: none` removes a lower underline on links // used by WordPress. `text-decoration: none` removes all text underlines. `text-shadow: none` removes text shadows, which usually have a hard coded color. // `border: none` removes all borders, which can also be used to underline text. `a {color: #1565C0}` sets links to be a dark blue. @@ -4446,9 +5262,14 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } }; - // Displaying of `mainWebView` after 500 milliseconds. + // Display the WebView after 500 milliseconds. displayWebViewHandler.postDelayed(displayWebViewRunnable, 500); }); + } else { // Night mode is disabled. + // Display the nested scroll WebView if night mode is disabled. + // Because of a race condition between `applyDomainSettings` and `onPageStarted`, + // when night mode is set by domain settings the WebView may be hidden even if night mode is not currently enabled. + nestedScrollWebView.setVisibility(View.VISIBLE); } // Update the progress bar. @@ -4462,13 +5283,6 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Hide the progress bar. progressBar.setVisibility(View.GONE); - // Display `mainWebView` if night mode is disabled. - // Because of a race condition between `applyDomainSettings` and `onPageStarted`, when night mode is set by domain settings the `WebView` may be hidden even if night mode is not - // currently enabled. - if (!nightMode) { - nestedScrollWebView.setVisibility(View.VISIBLE); - } - //Stop the swipe to refresh indicator if it is running swipeRefreshLayout.setRefreshing(false); } @@ -4488,20 +5302,20 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Get the current tab. TabLayout.Tab tab = tabLayout.getTabAt(currentPosition); - // Remove the lint warning below that the current tab might be null. - assert tab != null; - - // Get the custom view from the tab. - View tabView = tab.getCustomView(); - - // Remove the incorrect warning below that the current tab view might be null. - assert tabView != null; + // Check to see if the tab has been populated. + if (tab != null) { + // Get the custom view from the tab. + View tabView = tab.getCustomView(); - // Get the favorite icon image view from the tab. - ImageView tabFavoriteIconImageView = tabView.findViewById(R.id.favorite_icon_imageview); + // Check to see if the custom tab view has been populated. + if (tabView != null) { + // Get the favorite icon image view from the tab. + ImageView tabFavoriteIconImageView = tabView.findViewById(R.id.favorite_icon_imageview); - // Display the favorite icon in the tab. - tabFavoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true)); + // Display the favorite icon in the tab. + tabFavoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true)); + } + } } } @@ -4525,8 +5339,14 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Get the title text view from the tab. TextView tabTitleTextView = tabView.findViewById(R.id.title_textview); - // Set the title as the tab text. - tabTitleTextView.setText(title); + // Set the title according to the URL. + if (title.equals("about:blank")) { + // Set the title to indicate a new tab. + tabTitleTextView.setText(R.string.new_tab); + } else { + // Set the title as the tab text. + tabTitleTextView.setText(title); + } } } @@ -4574,6 +5394,9 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Show the full screen video frame layout. fullScreenVideoFrameLayout.setVisibility(View.VISIBLE); + + // Disable the screen timeout while the video is playing. YouTube does this automatically, but not all other videos do. + fullScreenVideoFrameLayout.setKeepScreenOn(true); } // Exit full screen video. @@ -4582,6 +5405,9 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Get a handle for the full screen video frame layout. FrameLayout fullScreenVideoFrameLayout = findViewById(R.id.full_screen_video_framelayout); + // Re-enable the screen timeout. + fullScreenVideoFrameLayout.setKeepScreenOn(false); + // Unset the full screen video flag. displayingFullScreenVideo = false; @@ -4597,10 +5423,14 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Show the main content relative layout. mainContentRelativeLayout.setVisibility(View.VISIBLE); - // Apply the appropriate full screen mode the `SYSTEM_UI` flags. + // Apply the appropriate full screen mode flags. if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) { // Privacy Browser is currently in full screen browsing mode. // Hide the app bar if specified. if (hideAppBar) { + // Hide the tab linear layout. + tabsLinearLayout.setVisibility(View.GONE); + + // Hide the action bar. actionBar.hide(); } @@ -4646,8 +5476,8 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Create an intent to open a chooser based ont the file chooser parameters. Intent fileChooserIntent = fileChooserParams.createIntent(); - // Open the file chooser. Currently only one `startActivityForResult` exists in this activity, so the request code, used to differentiate them, is simply `0`. - startActivityForResult(fileChooserIntent, 0); + // Open the file chooser. + startActivityForResult(fileChooserIntent, FILE_UPLOAD_REQUEST_CODE); } return true; } @@ -4656,14 +5486,13 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook nestedScrollWebView.setWebViewClient(new WebViewClient() { // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps. // The deprecated `shouldOverrideUrlLoading` must be used until API >= 24. - @SuppressWarnings("deprecation") @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { - if (url.startsWith("http")) { // Load the URL in Privacy Browser. - // Reset the formatted URL string so the page will load correctly if blocking of third-party requests is enabled. - formattedUrlString = ""; + // Sanitize the url. + url = sanitizeUrl(url); - // Apply the domain settings for the new URL. `applyDomainSettings` doesn't do anything if the domain has not changed. + if (url.startsWith("http")) { // Load the URL in Privacy Browser. + // Apply the domain settings for the new URL. This doesn't do anything if the domain has not changed. boolean userAgentChanged = applyDomainSettings(nestedScrollWebView, url, true, false); // Check if the user agent has changed. @@ -4733,9 +5562,30 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } // Check requests against the block lists. The deprecated `shouldInterceptRequest()` must be used until minimum API >= 21. - @SuppressWarnings("deprecation") @Override public WebResourceResponse shouldInterceptRequest(WebView view, String url) { + // Check to see if the resource request is for the main URL. + if (url.equals(nestedScrollWebView.getCurrentUrl())) { + // `return null` loads the resource request, which should never be blocked if it is the main URL. + return null; + } + + // Wait until the blocklists have been populated. When Privacy Browser is being resumed after having the process killed in the background it will try to load the URLs immediately. + while (ultraPrivacy == null) { + // The wait must be synchronized, which only lets one thread run on it at a time, or `java.lang.IllegalMonitorStateException` is thrown. + synchronized (this) { + try { + // Check to see if the blocklists have been populated after 100 ms. + wait(100); + } catch (InterruptedException exception) { + // Do nothing. + } + } + } + + // Sanitize the URL. + url = sanitizeUrl(url); + // Get a handle for the navigation view. NavigationView navigationView = findViewById(R.id.navigationview); @@ -4743,7 +5593,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook Menu navigationMenu = navigationView.getMenu(); // Get a handle for the navigation requests menu item. The menu is 0 based. - MenuItem navigationRequestsMenuItem = navigationMenu.getItem(6); + MenuItem navigationRequestsMenuItem = navigationMenu.getItem(5); // Create an empty web resource response to be used if the resource request is blocked. WebResourceResponse emptyWebResourceResponse = new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes())); @@ -4754,24 +5604,22 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Initialize the third party request tracker. boolean isThirdPartyRequest = false; - // Initialize the current domain string. - String currentDomain = ""; + // Get the current URL. `.getUrl()` throws an error because operations on the WebView cannot be made from this thread. + String currentBaseDomain = nestedScrollWebView.getCurrentDomainName(); - // Nobody is happy when comparing null strings. - if (!(formattedUrlString == null) && !(url == null)) { - // Get the domain strings to URIs. - Uri currentDomainUri = Uri.parse(formattedUrlString); - Uri requestDomainUri = Uri.parse(url); + // Store a copy of the current domain for use in later requests. + String currentDomain = currentBaseDomain; - // Get the domain host names. - String currentBaseDomain = currentDomainUri.getHost(); - String requestBaseDomain = requestDomainUri.getHost(); + // Nobody is happy when comparing null strings. + if ((currentBaseDomain != null) && (url != null)) { + // Convert the request URL to a URI. + Uri requestUri = Uri.parse(url); - // Update the current domain variable. - currentDomain = currentBaseDomain; + // Get the request host name. + String requestBaseDomain = requestUri.getHost(); - // Only compare the current base domain and the request base domain if neither is null. - if (!(currentBaseDomain == null) && !(requestBaseDomain == null)) { + // Only check for third-party requests if the current base domain is not empty and the request domain is not null. + if (!currentBaseDomain.isEmpty() && (requestBaseDomain != null)) { // Determine the current base domain. while (currentBaseDomain.indexOf(".", currentBaseDomain.indexOf(".") + 1) > 0) { // There is at least one subdomain. // Remove the first subdomain. @@ -4798,7 +5646,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Block third-party requests if enabled. if (isThirdPartyRequest && nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.THIRD_PARTY_REQUESTS)) { // Add the result to the resource requests. - nestedScrollWebView.addResourceRequest(new String[]{BlockListHelper.REQUEST_THIRD_PARTY, url}); + nestedScrollWebView.addResourceRequest(new String[]{BlocklistHelper.REQUEST_THIRD_PARTY, url}); // Increment the blocked requests counters. nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS); @@ -4810,9 +5658,13 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook activity.runOnUiThread(() -> { // Update the menu item titles. navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - blocklistsMenuItem.setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - blockAllThirdPartyRequestsMenuItem.setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.THIRD_PARTY_REQUESTS) + " - " + - getString(R.string.block_all_third_party_requests)); + + // Update the options menu if it has been populated. + if (optionsMenu != null) { + optionsMenu.findItem(R.id.blocklists).setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + optionsMenu.findItem(R.id.block_all_third_party_requests).setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.THIRD_PARTY_REQUESTS) + " - " + + getString(R.string.block_all_third_party_requests)); + } }); } @@ -4820,20 +5672,60 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook return emptyWebResourceResponse; } + // Check UltraList if it is enabled. + if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.ULTRALIST)) { + // Check the URL against UltraList. + String[] ultraListResults = blocklistHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, ultraList); + + // Process the UltraList results. + if (ultraListResults[0].equals(BlocklistHelper.REQUEST_BLOCKED)) { // The resource request matched UltraLists's blacklist. + // Add the result to the resource requests. + nestedScrollWebView.addResourceRequest(new String[] {ultraListResults[0], ultraListResults[1], ultraListResults[2], ultraListResults[3], ultraListResults[4], ultraListResults[5]}); + + // Increment the blocked requests counters. + nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS); + nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.ULTRALIST); + + // Update the titles of the blocklist menu items if the WebView is currently displayed. + if (webViewDisplayed) { + // Updating the UI must be run from the UI thread. + activity.runOnUiThread(() -> { + // Update the menu item titles. + navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + + // Update the options menu if it has been populated. + if (optionsMenu != null) { + optionsMenu.findItem(R.id.blocklists).setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + optionsMenu.findItem(R.id.ultralist).setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.ULTRALIST) + " - " + getString(R.string.ultralist)); + } + }); + } + + // The resource request was blocked. Return an empty web resource response. + return emptyWebResourceResponse; + } else if (ultraListResults[0].equals(BlocklistHelper.REQUEST_ALLOWED)) { // The resource request matched UltraList's whitelist. + // Add a whitelist entry to the resource requests array. + nestedScrollWebView.addResourceRequest(new String[] {ultraListResults[0], ultraListResults[1], ultraListResults[2], ultraListResults[3], ultraListResults[4], ultraListResults[5]}); + + // The resource request has been allowed by UltraPrivacy. `return null` loads the requested resource. + return null; + } + } + // Check UltraPrivacy if it is enabled. - if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.ULTRA_PRIVACY)) { + if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.ULTRAPRIVACY)) { // Check the URL against UltraPrivacy. - String[] ultraPrivacyResults = blockListHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, ultraPrivacy); + String[] ultraPrivacyResults = blocklistHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, ultraPrivacy); // Process the UltraPrivacy results. - if (ultraPrivacyResults[0].equals(BlockListHelper.REQUEST_BLOCKED)) { // The resource request matched UltraPrivacy's blacklist. + if (ultraPrivacyResults[0].equals(BlocklistHelper.REQUEST_BLOCKED)) { // The resource request matched UltraPrivacy's blacklist. // Add the result to the resource requests. nestedScrollWebView.addResourceRequest(new String[] {ultraPrivacyResults[0], ultraPrivacyResults[1], ultraPrivacyResults[2], ultraPrivacyResults[3], ultraPrivacyResults[4], ultraPrivacyResults[5]}); // Increment the blocked requests counters. nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS); - nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.ULTRA_PRIVACY); + nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.ULTRAPRIVACY); // Update the titles of the blocklist menu items if the WebView is currently displayed. if (webViewDisplayed) { @@ -4841,14 +5733,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook activity.runOnUiThread(() -> { // Update the menu item titles. navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - blocklistsMenuItem.setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - ultraPrivacyMenuItem.setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.ULTRA_PRIVACY) + " - " + getString(R.string.ultraprivacy)); + + // Update the options menu if it has been populated. + if (optionsMenu != null) { + optionsMenu.findItem(R.id.blocklists).setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + optionsMenu.findItem(R.id.ultraprivacy).setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.ULTRAPRIVACY) + " - " + getString(R.string.ultraprivacy)); + } }); } // The resource request was blocked. Return an empty web resource response. return emptyWebResourceResponse; - } else if (ultraPrivacyResults[0].equals(BlockListHelper.REQUEST_ALLOWED)) { // The resource request matched UltraPrivacy's whitelist. + } else if (ultraPrivacyResults[0].equals(BlocklistHelper.REQUEST_ALLOWED)) { // The resource request matched UltraPrivacy's whitelist. // Add a whitelist entry to the resource requests array. nestedScrollWebView.addResourceRequest(new String[] {ultraPrivacyResults[0], ultraPrivacyResults[1], ultraPrivacyResults[2], ultraPrivacyResults[3], ultraPrivacyResults[4], ultraPrivacyResults[5]}); @@ -4859,18 +5755,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } // Check EasyList if it is enabled. - if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.EASY_LIST)) { + if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.EASYLIST)) { // Check the URL against EasyList. - String[] easyListResults = blockListHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, easyList); + String[] easyListResults = blocklistHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, easyList); // Process the EasyList results. - if (easyListResults[0].equals(BlockListHelper.REQUEST_BLOCKED)) { // The resource request matched EasyList's blacklist. + if (easyListResults[0].equals(BlocklistHelper.REQUEST_BLOCKED)) { // The resource request matched EasyList's blacklist. // Add the result to the resource requests. nestedScrollWebView.addResourceRequest(new String[] {easyListResults[0], easyListResults[1], easyListResults[2], easyListResults[3], easyListResults[4], easyListResults[5]}); // Increment the blocked requests counters. nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS); - nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.EASY_LIST); + nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.EASYLIST); // Update the titles of the blocklist menu items if the WebView is currently displayed. if (webViewDisplayed) { @@ -4878,33 +5774,37 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook activity.runOnUiThread(() -> { // Update the menu item titles. navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - blocklistsMenuItem.setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - easyListMenuItem.setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.EASY_LIST) + " - " + getString(R.string.easylist)); + + // Update the options menu if it has been populated. + if (optionsMenu != null) { + optionsMenu.findItem(R.id.blocklists).setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + optionsMenu.findItem(R.id.easylist).setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.EASYLIST) + " - " + getString(R.string.easylist)); + } }); } // The resource request was blocked. Return an empty web resource response. return emptyWebResourceResponse; - } else if (easyListResults[0].equals(BlockListHelper.REQUEST_ALLOWED)) { // The resource request matched EasyList's whitelist. + } else if (easyListResults[0].equals(BlocklistHelper.REQUEST_ALLOWED)) { // The resource request matched EasyList's whitelist. // Update the whitelist result string array tracker. whitelistResultStringArray = new String[] {easyListResults[0], easyListResults[1], easyListResults[2], easyListResults[3], easyListResults[4], easyListResults[5]}; } } // Check EasyPrivacy if it is enabled. - if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.EASY_PRIVACY)) { + if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.EASYPRIVACY)) { // Check the URL against EasyPrivacy. - String[] easyPrivacyResults = blockListHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, easyPrivacy); + String[] easyPrivacyResults = blocklistHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, easyPrivacy); // Process the EasyPrivacy results. - if (easyPrivacyResults[0].equals(BlockListHelper.REQUEST_BLOCKED)) { // The resource request matched EasyPrivacy's blacklist. + if (easyPrivacyResults[0].equals(BlocklistHelper.REQUEST_BLOCKED)) { // The resource request matched EasyPrivacy's blacklist. // Add the result to the resource requests. nestedScrollWebView.addResourceRequest(new String[] {easyPrivacyResults[0], easyPrivacyResults[1], easyPrivacyResults[2], easyPrivacyResults[3], easyPrivacyResults[4], easyPrivacyResults[5]}); // Increment the blocked requests counters. nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS); - nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.EASY_PRIVACY); + nestedScrollWebView.incrementRequestsCount(NestedScrollWebView.EASYPRIVACY); // Update the titles of the blocklist menu items if the WebView is currently displayed. if (webViewDisplayed) { @@ -4912,14 +5812,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook activity.runOnUiThread(() -> { // Update the menu item titles. navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - blocklistsMenuItem.setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - easyPrivacyMenuItem.setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.EASY_PRIVACY) + " - " + getString(R.string.easyprivacy)); + + // Update the options menu if it has been populated. + if (optionsMenu != null) { + optionsMenu.findItem(R.id.blocklists).setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + optionsMenu.findItem(R.id.easyprivacy).setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.EASYPRIVACY) + " - " + getString(R.string.easyprivacy)); + } }); } // The resource request was blocked. Return an empty web resource response. return emptyWebResourceResponse; - } else if (easyPrivacyResults[0].equals(BlockListHelper.REQUEST_ALLOWED)) { // The resource request matched EasyPrivacy's whitelist. + } else if (easyPrivacyResults[0].equals(BlocklistHelper.REQUEST_ALLOWED)) { // The resource request matched EasyPrivacy's whitelist. // Update the whitelist result string array tracker. whitelistResultStringArray = new String[] {easyPrivacyResults[0], easyPrivacyResults[1], easyPrivacyResults[2], easyPrivacyResults[3], easyPrivacyResults[4], easyPrivacyResults[5]}; } @@ -4928,10 +5832,10 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Check Fanboy’s Annoyance List if it is enabled. if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST)) { // Check the URL against Fanboy's Annoyance List. - String[] fanboysAnnoyanceListResults = blockListHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, fanboysAnnoyanceList); + String[] fanboysAnnoyanceListResults = blocklistHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, fanboysAnnoyanceList); // Process the Fanboy's Annoyance List results. - if (fanboysAnnoyanceListResults[0].equals(BlockListHelper.REQUEST_BLOCKED)) { // The resource request matched Fanboy's Annoyance List's blacklist. + if (fanboysAnnoyanceListResults[0].equals(BlocklistHelper.REQUEST_BLOCKED)) { // The resource request matched Fanboy's Annoyance List's blacklist. // Add the result to the resource requests. nestedScrollWebView.addResourceRequest(new String[] {fanboysAnnoyanceListResults[0], fanboysAnnoyanceListResults[1], fanboysAnnoyanceListResults[2], fanboysAnnoyanceListResults[3], fanboysAnnoyanceListResults[4], fanboysAnnoyanceListResults[5]}); @@ -4946,25 +5850,29 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook activity.runOnUiThread(() -> { // Update the menu item titles. navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - blocklistsMenuItem.setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - fanboysAnnoyanceListMenuItem.setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST) + " - " + - getString(R.string.fanboys_annoyance_list)); + + // Update the options menu if it has been populated. + if (optionsMenu != null) { + optionsMenu.findItem(R.id.blocklists).setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + optionsMenu.findItem(R.id.fanboys_annoyance_list).setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.FANBOYS_ANNOYANCE_LIST) + " - " + + getString(R.string.fanboys_annoyance_list)); + } }); } // The resource request was blocked. Return an empty web resource response. return emptyWebResourceResponse; - } else if (fanboysAnnoyanceListResults[0].equals(BlockListHelper.REQUEST_ALLOWED)){ // The resource request matched Fanboy's Annoyance List's whitelist. + } else if (fanboysAnnoyanceListResults[0].equals(BlocklistHelper.REQUEST_ALLOWED)){ // The resource request matched Fanboy's Annoyance List's whitelist. // Update the whitelist result string array tracker. whitelistResultStringArray = new String[] {fanboysAnnoyanceListResults[0], fanboysAnnoyanceListResults[1], fanboysAnnoyanceListResults[2], fanboysAnnoyanceListResults[3], fanboysAnnoyanceListResults[4], fanboysAnnoyanceListResults[5]}; } } else if (nestedScrollWebView.isBlocklistEnabled(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST)) { // Only check Fanboy’s Social Blocking List if Fanboy’s Annoyance List is disabled. // Check the URL against Fanboy's Annoyance List. - String[] fanboysSocialListResults = blockListHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, fanboysSocialList); + String[] fanboysSocialListResults = blocklistHelper.checkBlocklist(currentDomain, url, isThirdPartyRequest, fanboysSocialList); // Process the Fanboy's Social Blocking List results. - if (fanboysSocialListResults[0].equals(BlockListHelper.REQUEST_BLOCKED)) { // The resource request matched Fanboy's Social Blocking List's blacklist. + if (fanboysSocialListResults[0].equals(BlocklistHelper.REQUEST_BLOCKED)) { // The resource request matched Fanboy's Social Blocking List's blacklist. // Add the result to the resource requests. nestedScrollWebView.addResourceRequest(new String[] {fanboysSocialListResults[0], fanboysSocialListResults[1], fanboysSocialListResults[2], fanboysSocialListResults[3], fanboysSocialListResults[4], fanboysSocialListResults[5]}); @@ -4979,15 +5887,19 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook activity.runOnUiThread(() -> { // Update the menu item titles. navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - blocklistsMenuItem.setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); - fanboysSocialBlockingListMenuItem.setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST) + " - " + - getString(R.string.fanboys_social_blocking_list)); + + // Update the options menu if it has been populated. + if (optionsMenu != null) { + optionsMenu.findItem(R.id.blocklists).setTitle(getString(R.string.blocklists) + " - " + nestedScrollWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS)); + optionsMenu.findItem(R.id.fanboys_social_blocking_list).setTitle(nestedScrollWebView.getRequestsCount(NestedScrollWebView.FANBOYS_SOCIAL_BLOCKING_LIST) + " - " + + getString(R.string.fanboys_social_blocking_list)); + } }); } // The resource request was blocked. Return an empty web resource response. return emptyWebResourceResponse; - } else if (fanboysSocialListResults[0].equals(BlockListHelper.REQUEST_ALLOWED)) { // The resource request matched Fanboy's Social Blocking List's whitelist. + } else if (fanboysSocialListResults[0].equals(BlocklistHelper.REQUEST_ALLOWED)) { // The resource request matched Fanboy's Social Blocking List's whitelist. // Update the whitelist result string array tracker. whitelistResultStringArray = new String[] {fanboysSocialListResults[0], fanboysSocialListResults[1], fanboysSocialListResults[2], fanboysSocialListResults[3], fanboysSocialListResults[4], fanboysSocialListResults[5]}; @@ -4998,7 +5910,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook if (whitelistResultStringArray != null) { // The request was processed by a whitelist. nestedScrollWebView.addResourceRequest(whitelistResultStringArray); } else { // The request didn't match any blocklist entry. Log it as a default request. - nestedScrollWebView.addResourceRequest(new String[]{BlockListHelper.REQUEST_DEFAULT, url}); + nestedScrollWebView.addResourceRequest(new String[]{BlocklistHelper.REQUEST_DEFAULT, url}); } // The resource request has not been blocked. `return null` loads the requested resource. @@ -5008,16 +5920,43 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Handle HTTP authentication requests. @Override public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, String host, String realm) { - // Store `handler` so it can be accessed from `onHttpAuthenticationCancel()` and `onHttpAuthenticationProceed()`. - httpAuthHandler = handler; + // Store the handler. + nestedScrollWebView.setHttpAuthHandler(handler); - // Display the HTTP authentication dialog. - DialogFragment httpAuthenticationDialogFragment = HttpAuthenticationDialog.displayDialog(host, realm); + // Instantiate an HTTP authentication dialog. + DialogFragment httpAuthenticationDialogFragment = HttpAuthenticationDialog.displayDialog(host, realm, nestedScrollWebView.getWebViewFragmentId()); + + // Show the HTTP authentication dialog. httpAuthenticationDialogFragment.show(getSupportFragmentManager(), getString(R.string.http_authentication)); } @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { + // Get the preferences. + boolean scrollAppBar = sharedPreferences.getBoolean("scroll_app_bar", true); + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); + + // Get a handler for the app bar layout. + AppBarLayout appBarLayout = findViewById(R.id.appbar_layout); + + // Set the top padding of the swipe refresh layout according to the app bar scrolling preference. + if (scrollAppBar) { + // No padding is needed because it will automatically be placed below the app bar layout due to the scrolling layout behavior. + swipeRefreshLayout.setPadding(0, 0, 0, 0); + + // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. + swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10, defaultProgressViewEndOffset); + } else { + // Get the app bar layout height. This can't be done in `applyAppSettings()` because the app bar is not yet populated. + int appBarHeight = appBarLayout.getHeight(); + + // The swipe refresh layout must be manually moved below the app bar layout. + swipeRefreshLayout.setPadding(0, appBarHeight, 0, 0); + + // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels. + swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10 + appBarHeight, defaultProgressViewEndOffset + appBarHeight); + } + // Reset the list of resource requests. nestedScrollWebView.clearResourceRequests(); @@ -5025,8 +5964,10 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook nestedScrollWebView.resetRequestsCounters(); // If night mode is enabled, hide `mainWebView` until after the night mode CSS is applied. - if (nightMode) { + if (nestedScrollWebView.getNightMode()) { nestedScrollWebView.setVisibility(View.INVISIBLE); + } else { + nestedScrollWebView.setVisibility(View.VISIBLE); } // Hide the keyboard. @@ -5034,43 +5975,41 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Check to see if Privacy Browser is waiting on Orbot. if (!waitingForOrbot) { // Process the URL. - // The formatted URL string must be updated at the beginning of the load, so that if the user toggles JavaScript during the load the new website is reloaded. - formattedUrlString = url; + // Get the current page position. + int currentPagePosition = webViewPagerAdapter.getPositionForId(nestedScrollWebView.getWebViewFragmentId()); - // Display the formatted URL text. - urlEditText.setText(formattedUrlString); + // Update the URL text bar if the page is currently selected. + if (tabLayout.getSelectedTabPosition() == currentPagePosition) { + // Clear the focus from the URL edit text. + urlEditText.clearFocus(); - // Apply text highlighting to `urlTextBox`. - highlightUrlText(); + // Display the formatted URL text. + urlEditText.setText(url); - // Get a URI for the current URL. - Uri currentUri = Uri.parse(formattedUrlString); + // Apply text highlighting to `urlTextBox`. + highlightUrlText(); + } // Reset the list of host IP addresses. nestedScrollWebView.clearCurrentIpAddresses(); + // Get a URI for the current URL. + Uri currentUri = Uri.parse(url); + // Get the IP addresses for the host. new GetHostIpAddresses(activity, getSupportFragmentManager(), nestedScrollWebView).execute(currentUri.getHost()); - // Apply any custom domain settings if the URL was loaded by navigating history. - if (navigatingHistory) { - // Apply the domain settings. - boolean userAgentChanged = applyDomainSettings(nestedScrollWebView, url, true, false); + // Replace Refresh with Stop if the options menu has been created. (The first WebView typically begins loading before the menu items are instantiated.) + if (optionsMenu != null) { + // Get a handle for the refresh menu item. + MenuItem refreshMenuItem = optionsMenu.findItem(R.id.refresh); - // Reset `navigatingHistory`. - navigatingHistory = false; - - // Manually load the URL if the user agent has changed, which will have caused the previous URL to be reloaded. - if (userAgentChanged) { - loadUrl(formattedUrlString); - } - } - - // Replace Refresh with Stop if the menu item has been created. (The WebView typically begins loading before the menu items are instantiated.) - if (refreshMenuItem != null) { // Set the title. refreshMenuItem.setTitle(R.string.stop); + // Get the app bar and theme preferences. + boolean displayAdditionalAppBarIcons = sharedPreferences.getBoolean("display_additional_app_bar_icons", false); + // If the icon is displayed in the AppBar, set it according to the theme. if (displayAdditionalAppBarIcons) { if (darkTheme) { @@ -5083,25 +6022,25 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } } - // It is necessary to update `formattedUrlString` and `urlTextBox` after the page finishes loading because the final URL can change during load. @Override public void onPageFinished(WebView view, String url) { - // Reset the wide view port if it has been turned off by the waiting for Orbot message. - if (!waitingForOrbot) { - // Only use a wide view port if the URL starts with `http`, not for `file://` and `content://`. - nestedScrollWebView.getSettings().setUseWideViewPort(url.startsWith("http")); - } - - // Flush any cookies to persistent storage. `CookieManager` has become very lazy about flushing cookies in recent versions. - if (firstPartyCookiesEnabled && Build.VERSION.SDK_INT >= 21) { + // Flush any cookies to persistent storage. The cookie manager has become very lazy about flushing cookies in recent versions. + if (nestedScrollWebView.getAcceptFirstPartyCookies() && Build.VERSION.SDK_INT >= 21) { CookieManager.getInstance().flush(); } - // Update the Refresh menu item if it has been created. - if (refreshMenuItem != null) { + // Update the Refresh menu item if the options menu has been created. + if (optionsMenu != null) { + // Get a handle for the refresh menu item. + MenuItem refreshMenuItem = optionsMenu.findItem(R.id.refresh); + // Reset the Refresh title. refreshMenuItem.setTitle(R.string.refresh); + // Get the app bar and theme preferences. + boolean displayAdditionalAppBarIcons = sharedPreferences.getBoolean("display_additional_app_bar_icons", false); + boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false); + // If the icon is displayed in the AppBar, reset it according to the theme. if (displayAdditionalAppBarIcons) { if (darkTheme) { @@ -5112,7 +6051,6 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook } } - // Clear the cache and history if Incognito Mode is enabled. if (incognitoModeEnabled) { // Clear the cache. `true` includes disk files. @@ -5123,6 +6061,10 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Manually delete cache folders. try { + // Get the application's private data directory, which will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, + // which links to `/data/data/com.stoutner.privacybrowser.standard`. + String privateDataDirectoryString = getApplicationInfo().dataDir; + // Delete the main cache directory. Runtime.getRuntime().exec("rm -rf " + privateDataDirectoryString + "/cache"); @@ -5136,39 +6078,81 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Update the URL text box and apply domain settings if not waiting on Orbot. if (!waitingForOrbot) { - // Check to see if `WebView` has set `url` to be `about:blank`. - if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint. - // Set `formattedUrlString` to `""`. - formattedUrlString = ""; + // Get the current page position. + int currentPagePosition = webViewPagerAdapter.getPositionForId(nestedScrollWebView.getWebViewFragmentId()); - urlEditText.setText(formattedUrlString); + // Check the current website information against any pinned domain information if the current IP addresses have been loaded. + if ((nestedScrollWebView.hasPinnedSslCertificate() || nestedScrollWebView.hasPinnedIpAddresses()) && nestedScrollWebView.hasCurrentIpAddresses() && + !nestedScrollWebView.ignorePinnedDomainInformation()) { + CheckPinnedMismatchHelper.checkPinnedMismatch(getSupportFragmentManager(), nestedScrollWebView); + } - // Request focus for `urlTextBox`. - urlEditText.requestFocus(); + // Get the current URL from the nested scroll WebView. This is more accurate than using the URL passed into the method, which is sometimes not the final one. + String currentUrl = nestedScrollWebView.getUrl(); - // Display the keyboard. - inputMethodManager.showSoftInput(urlEditText, 0); + // Get the current tab. + TabLayout.Tab tab = tabLayout.getTabAt(currentPagePosition); - // Apply the domain settings. This clears any settings from the previous domain. - applyDomainSettings(nestedScrollWebView, formattedUrlString, true, false); - } else { // `WebView` has loaded a webpage. - // Set the formatted URL string. Getting the URL from the WebView instead of using the one provided by `onPageFinished` makes websites like YouTube function correctly. - formattedUrlString = nestedScrollWebView.getUrl(); + // Update the URL text bar if the page is currently selected and the user is not currently typing in the URL edit text. + // Crash records show that, in some crazy way, it is possible for the current URL to be blank at this point. + // Probably some sort of race condition when Privacy Browser is being resumed. + if ((tabLayout.getSelectedTabPosition() == currentPagePosition) && !urlEditText.hasFocus() && (currentUrl != null)) { + // Check to see if the URL is `about:blank`. + if (currentUrl.equals("about:blank")) { // The WebView is blank. + // Display the hint in the URL edit text. + urlEditText.setText(""); - // Only update the URL text box if the user is not typing in it. - if (!urlEditText.hasFocus()) { - // Display the formatted URL text. - urlEditText.setText(formattedUrlString); + // Request focus for the URL text box. + urlEditText.requestFocus(); - // Apply text highlighting to `urlTextBox`. - highlightUrlText(); - } - } + // Display the keyboard. + inputMethodManager.showSoftInput(urlEditText, 0); - // Check the current website information against any pinned domain information if the current IP addresses have been loaded. - if ((nestedScrollWebView.hasPinnedSslCertificate() || nestedScrollWebView.hasPinnedIpAddresses()) && nestedScrollWebView.hasCurrentIpAddresses() && - !nestedScrollWebView.ignorePinnedDomainInformation()) { - CheckPinnedMismatchHelper.checkPinnedMismatch(getSupportFragmentManager(), nestedScrollWebView); + // Apply the domain settings. This clears any settings from the previous domain. + applyDomainSettings(nestedScrollWebView, "", true, false); + + // Only populate the title text view if the tab has been fully created. + if (tab != null) { + // Get the custom view from the tab. + View tabView = tab.getCustomView(); + + // Remove the incorrect warning below that the current tab view might be null. + assert tabView != null; + + // Get the title text view from the tab. + TextView tabTitleTextView = tabView.findViewById(R.id.title_textview); + + // Set the title as the tab text. + tabTitleTextView.setText(R.string.new_tab); + } + } else { // The WebView has loaded a webpage. + // Update the URL edit text if it is not currently being edited. + if (!urlEditText.hasFocus()) { + // Sanitize the current URL. This removes unwanted URL elements that were added by redirects, so that they won't be included if the URL is shared. + String sanitizedUrl = sanitizeUrl(currentUrl); + + // Display the final URL. Getting the URL from the WebView instead of using the one provided by `onPageFinished()` makes websites like YouTube function correctly. + urlEditText.setText(sanitizedUrl); + + // Apply text highlighting to the URL. + highlightUrlText(); + } + + // Only populate the title text view if the tab has been fully created. + if (tab != null) { + // Get the custom view from the tab. + View tabView = tab.getCustomView(); + + // Remove the incorrect warning below that the current tab view might be null. + assert tabView != null; + + // Get the title text view from the tab. + TextView tabTitleTextView = tabView.findViewById(R.id.title_textview); + + // Set the title as the tab text. Sometimes `onReceivedTitle()` is not called, especially when navigating history. + tabTitleTextView.setText(nestedScrollWebView.getTitle()); + } + } } } } @@ -5208,11 +6192,13 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook handler.proceed(); } } else { // Either there isn't a pinned SSL certificate or it doesn't match the current website certificate. - // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`. - sslErrorHandler = handler; // TODO. We need to pass this in instead of using a static variable. Because multiple could be displayed at once from different tabs. + // Store the SSL error handler. + nestedScrollWebView.setSslErrorHandler(handler); + + // Instantiate an SSL certificate error alert dialog. + DialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error, nestedScrollWebView.getWebViewFragmentId()); - // Display the SSL error `AlertDialog`. - DialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error); + // Show the SSL certificate error dialog. sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getString(R.string.ssl_certificate_error)); } } @@ -5228,7 +6214,64 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook // Load the website if not waiting for Orbot to connect. if (!waitingForOrbot) { - loadUrl(formattedUrlString); + // Get the intent that started the app. + Intent launchingIntent = getIntent(); + + // Get the information from the intent. + String launchingIntentAction = launchingIntent.getAction(); + Uri launchingIntentUriData = launchingIntent.getData(); + + // If the intent action is a web search, perform the search. + if ((launchingIntentAction != null) && launchingIntentAction.equals(Intent.ACTION_WEB_SEARCH)) { + // Create an encoded URL string. + String encodedUrlString; + + // Sanitize the search input and convert it to a search. + try { + encodedUrlString = URLEncoder.encode(launchingIntent.getStringExtra(SearchManager.QUERY), "UTF-8"); + } catch (UnsupportedEncodingException exception) { + encodedUrlString = ""; + } + + // Load the completed search URL. + loadUrl(searchURL + encodedUrlString); + } else if (launchingIntentUriData != null){ // Check to see if the intent contains a new URL. + // Load the URL from the intent. + loadUrl(launchingIntentUriData.toString()); + } else { // The is no URL in the intent. + // Select the homepage based on the proxy through Orbot status. + if (proxyThroughOrbot) { + // Load the Tor homepage. + loadUrl(sharedPreferences.getString("tor_homepage", getString(R.string.tor_homepage_default_value))); + } else { + // Load the normal homepage. + loadUrl(sharedPreferences.getString("homepage", getString(R.string.homepage_default_value))); + } + } + } + } else { // This is not the first tab. + // Apply the domain settings. + applyDomainSettings(nestedScrollWebView, url, false, false); + + // Load the URL. + nestedScrollWebView.loadUrl(url, customHeaders); + + // Set the focus and display the keyboard if the URL is blank. + if (url.equals("")) { + // Request focus for the URL text box. + urlEditText.requestFocus(); + + // Create a display keyboard handler. + Handler displayKeyboardHandler = new Handler(); + + // Create a display keyboard runnable. + Runnable displayKeyboardRunnable = () -> { + // Display the keyboard. + inputMethodManager.showSoftInput(urlEditText, 0); + }; + + // Display the keyboard after 100 milliseconds, which leaves enough time for the tab to transition. + displayKeyboardHandler.postDelayed(displayKeyboardRunnable, 100); } } }