X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Factivities%2FMainWebView.java;h=b9c2746a828aa923e24178784fc8a16afa786345;hb=c3c399fcc6ada5f970e3d75102ad8e61303903a0;hp=500df319f019cf621552a7c95b3cc2e963bdfb2d;hpb=d94ec990a367fc3f836ea32c02f70c4972c4a4b5;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebView.java b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebView.java index 500df319..b9c2746a 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebView.java +++ b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebView.java @@ -22,6 +22,8 @@ package com.stoutner.privacybrowser.activities; import android.annotation.SuppressLint; import android.app.DialogFragment; import android.app.DownloadManager; +import android.content.ClipData; +import android.content.ClipboardManager; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; @@ -38,6 +40,7 @@ import android.preference.PreferenceManager; import android.print.PrintDocumentAdapter; import android.print.PrintManager; import android.support.annotation.NonNull; +import android.support.design.widget.CoordinatorLayout; import android.support.design.widget.NavigationView; import android.support.design.widget.Snackbar; import android.support.v4.app.ActivityCompat; @@ -54,16 +57,20 @@ import android.text.Editable; import android.text.TextWatcher; import android.util.Patterns; import android.view.ContextMenu; +import android.view.GestureDetector; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; +import android.view.MotionEvent; import android.view.View; +import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.webkit.CookieManager; import android.webkit.DownloadListener; import android.webkit.SslErrorHandler; import android.webkit.WebBackForwardList; import android.webkit.WebChromeClient; +import android.webkit.WebResourceResponse; import android.webkit.WebStorage; import android.webkit.WebView; import android.webkit.WebViewClient; @@ -77,6 +84,7 @@ import android.widget.RelativeLayout; import android.widget.TextView; import com.stoutner.privacybrowser.BannerAd; +import com.stoutner.privacybrowser.BuildConfig; import com.stoutner.privacybrowser.R; import com.stoutner.privacybrowser.helpers.OrbotProxyHelper; import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcut; @@ -86,19 +94,25 @@ import com.stoutner.privacybrowser.dialogs.SslCertificateError; import com.stoutner.privacybrowser.dialogs.UrlHistory; import com.stoutner.privacybrowser.dialogs.ViewSslCertificate; +import java.io.BufferedReader; +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLEncoder; import java.util.HashMap; +import java.util.HashSet; import java.util.Map; +import java.util.Set; // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21. public class MainWebView extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener, SslCertificateError.SslCertificateErrorListener, DownloadFile.DownloadFileListener, DownloadImage.DownloadImageListener, UrlHistory.UrlHistoryListener { // `appBar` is public static so it can be accessed from `OrbotProxyHelper`. - // It is also used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. + // It is also used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applySettings()`. public static ActionBar appBar; // `favoriteIcon` is public static so it can be accessed from `CreateHomeScreenShortcut`, `Bookmarks`, `CreateBookmark`, `CreateBookmarkFolder`, and `EditBookmark`. @@ -113,9 +127,19 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN public static SslCertificate sslCertificate; + + // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`. + private DrawerLayout drawerLayout; + + // `rootCoordinatorLayout` is used in `onCreate()` and `applySettings()`. + private CoordinatorLayout rootCoordinatorLayout; + // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, and `loadUrlFromTextBox()`. private WebView mainWebView; + // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`. + private FrameLayout fullScreenVideoFrameLayout; + // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`. private SwipeRefreshLayout swipeRefreshLayout; @@ -153,14 +177,35 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // `javaScriptEnabledSearchURL` is used in `loadURLFromTextBox()` and `applySettings()`. private String javaScriptEnabledSearchURL; + // `adBlockerEnabled` is used in `onCreate()` and `applySettings()`. + private boolean adBlockerEnabled; + + // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applySettings()`. + private boolean fullScreenBrowsingModeEnabled; + + // `inFullScreenBrowsingMode` is used in `onCreate()` and `applySettings()`. + private boolean inFullScreenBrowsingMode; + + // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applySettings()`. + private boolean hideSystemBarsOnFullscreen; + + // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applySettings()`. + private boolean translucentNavigationBarOnFullscreen; + + // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. + private LinearLayout findOnPageLinearLayout; + + // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. + private EditText findOnPageEditText; + // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`. private Menu mainMenu; // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`. private ActionBarDrawerToggle drawerToggle; - // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`. - private DrawerLayout drawerLayout; + // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. + private Toolbar supportAppBar; // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, and `loadUrlFromTextBox()`. private EditText urlTextBox; @@ -171,24 +216,24 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`. private SslErrorHandler sslErrorHandler; - // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. - private EditText findOnPageEditText; - // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`. private InputMethodManager inputMethodManager; + // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`. + private RelativeLayout mainWebViewRelativeLayout; + @Override // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. The whole premise of Privacy Browser is built around an understanding of these dangers. @SuppressLint("SetJavaScriptEnabled") protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); - setContentView(R.layout.main_coordinatorlayout); + setContentView(R.layout.drawerlayout); // Get a handle for `inputMethodManager`. inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21. - Toolbar supportAppBar = (Toolbar) findViewById(R.id.appBar); + supportAppBar = (Toolbar) findViewById(R.id.app_bar); setSupportActionBar(supportAppBar); appBar = getSupportActionBar(); @@ -221,15 +266,105 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Get handles for `fullScreenVideoFrameLayout`, `mainWebView`, and `find_on_page_edittext`. - final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout); + // Get handles for views that need to be accessed. + drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout); + rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout); + mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout); mainWebView = (WebView) findViewById(R.id.mainWebView); + findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout); findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext); + fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout); + + // Create a double-tap listener to toggle full-screen mode. + final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() { + // Override `onDoubleTap()`. All other events are handled using the default settings. + @Override + public boolean onDoubleTap(MotionEvent event) { + if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled. + // Toggle `inFullScreenBrowsingMode`. + inFullScreenBrowsingMode = !inFullScreenBrowsingMode; + + if (inFullScreenBrowsingMode) { // Switch to full screen mode. + // Hide the `appBar`. + appBar.hide(); + + // Hide the `BannerAd` in the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + BannerAd.hideAd(adView); + } + + // Modify the system bars. + if (hideSystemBarsOnFullscreen) { // Hide everything. + // Remove the translucent overlays. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command. + drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); + + /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * 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 rehides them after they are shown. + */ + rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + + // Set `rootCoordinatorLayout` to fill the whole screen. + rootCoordinatorLayout.setFitsSystemWindows(false); + } else { // Hide everything except the status and navigation bars. + // Set `rootCoordinatorLayout` to fit under the status and navigation bars. + rootCoordinatorLayout.setFitsSystemWindows(false); + + if (translucentNavigationBarOnFullscreen) { // There is an Android Support Library bug that causes a scrim to print on the right side of the `Drawer Layout` when the navigation bar is displayed on the right of the screen. + // Set the navigation bar to be translucent. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + } + } + } else { // Switch to normal viewing mode. + // Show the `appBar`. + appBar.show(); + + // Show the `BannerAd` in the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`. + BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id)); + + // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`. + adView = findViewById(R.id.adView); + } + + // Remove the translucent navigation bar flag if it is set. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + + // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`. + rootCoordinatorLayout.setSystemUiVisibility(0); + + // Constrain `rootCoordinatorLayout` inside the status and navigation bars. + rootCoordinatorLayout.setFitsSystemWindows(true); + } + + // Consume the double-tap. + return true; + } else { // Do not consume the double-tap because full screen browsing mode is disabled. + return false; + } + } + }); + + // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps. + mainWebView.setOnTouchListener(new View.OnTouchListener() { + @Override + public boolean onTouch(View v, MotionEvent event) { + // Send the `event` to `gestureDetector`. + return gestureDetector.onTouchEvent(event); + } + }); // Update `findOnPageCountTextView`. mainWebView.setFindListener(new WebView.FindListener() { // Get a handle for `findOnPageCountTextView`. - TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview); + final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview); @Override public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) { @@ -292,16 +427,14 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Create the navigation drawer. - drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout); - // `DrawerTitle` identifies the drawer in accessibility mode. + // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode. drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer)); // Listen for touches on the navigation menu. - final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationView); + final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview); navigationView.setNavigationItemSelectedListener(this); - // Get handles for `navigationMenu` and the back and forward menu items. The menu is zero-based, so item 1 and 2 and the second and third items in the menu. + // Get handles for `navigationMenu` and the back and forward menu items. The menu is zero-based, so items 1, 2, and 3 are the second, third, and fourth entries in the menu. final Menu navigationMenu = navigationView.getMenu(); final MenuItem navigationBackMenuItem = navigationMenu.getItem(1); final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2); @@ -334,7 +467,29 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN }); // drawerToggle creates the hamburger icon at the start of the AppBar. - drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation, R.string.close_navigation); + drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer); + + // Initialize `adServerSet`. + final Set adServersSet = new HashSet<>(); + + // Load the list of ad servers into memory. + try { + // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`. + BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt"))); + + // Create a string for storing each ad server. + String adServer; + + // Populate `adServersSet`. + while ((adServer = bufferedReader.readLine()) != null) { + adServersSet.add(adServer); + } + + // Close `bufferedReader`. + bufferedReader.close(); + } catch (IOException ioException) { + // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown. + } mainWebView.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. @@ -342,7 +497,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN @SuppressWarnings("deprecation") @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { - // Use an external email program if the link begins with "mailto:". + // Use an external email program if the link begins with `mailto:`. if (url.startsWith("mailto:")) { // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched. Intent emailIntent = new Intent(Intent.ACTION_SENDTO); @@ -362,6 +517,41 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } } + // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21. + @SuppressWarnings("deprecation") + @Override + public WebResourceResponse shouldInterceptRequest(WebView view, String url){ + if (adBlockerEnabled) { // Block ads. + // Extract the host from `url`. + Uri requestUri = Uri.parse(url); + String requestHost = requestUri.getHost(); + + // Create a variable to track if this is an ad server. + boolean requestHostIsAdServer = false; + + // Check all the subdomains of `requestHost`. + while (requestHost.contains(".")) { + if (adServersSet.contains(requestHost)) { + requestHostIsAdServer = true; + } + + // Strip out the lowest subdomain of `requestHost`. + requestHost = requestHost.substring(requestHost.indexOf(".") + 1); + } + + if (requestHostIsAdServer) { // It is an ad server. + // Return an empty `WebResourceResponse`. + return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes())); + } else { // It is not an ad server. + // `return null` loads the requested resource. + return null; + } + } else { // Ad blocking is disabled. + // `return null` loads the requested resource. + return null; + } + } + // Update the URL in urlTextBox when the page starts to load. @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { @@ -428,38 +618,51 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // Enter full screen video @Override public void onShowCustomView(View view, CustomViewCallback callback) { - appBar.hide(); - - // Show the fullScreenVideoFrameLayout. - fullScreenVideoFrameLayout.addView(view); - fullScreenVideoFrameLayout.setVisibility(View.VISIBLE); + // Pause the ad if this is the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + BannerAd.pauseAd(adView); + } - // Hide the mainWebView. - mainWebView.setVisibility(View.GONE); + // Remove the translucent overlays. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); - // Hide the ad if this is the free flavor. - BannerAd.hideAd(adView); + // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command. + drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); - /* SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bars on the bottom or right of the screen. - * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar across the top of the screen. - * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the navigation and status bars ghosted overlays and automatically rehides them. + /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * 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 rehides them after they are shown. */ - view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + + // Set `rootCoordinatorLayout` to fill the entire screen. + rootCoordinatorLayout.setFitsSystemWindows(false); + + // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen. + fullScreenVideoFrameLayout.addView(view); + fullScreenVideoFrameLayout.setVisibility(View.VISIBLE); } // Exit full screen video public void onHideCustomView() { - appBar.show(); + // Hide `fullScreenVideoFrameLayout`. + fullScreenVideoFrameLayout.removeAllViews(); + fullScreenVideoFrameLayout.setVisibility(View.GONE); + + // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); - // Show the mainWebView. - mainWebView.setVisibility(View.VISIBLE); + // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags. + rootCoordinatorLayout.setFitsSystemWindows(true); // Show the ad if this is the free flavor. - BannerAd.showAd(adView); + if (BuildConfig.FLAVOR.contentEquals("free")) { + // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`. + BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id)); - // Hide the fullScreenVideoFrameLayout. - fullScreenVideoFrameLayout.removeAllViews(); - fullScreenVideoFrameLayout.setVisibility(View.GONE); + // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`. + adView = findViewById(R.id.adView); + } } }); @@ -488,7 +691,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // 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", ""); - // Initialize the default preference values the first time the program is run. + // Initialize the default preference values the first time the program is run. `this` is the context. `false` keeps this command from resetting any current preferences back to default. PreferenceManager.setDefaultValues(this, R.xml.preferences, false); // Apply the settings from the shared preferences. @@ -519,6 +722,9 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN favoriteIcon = favoriteIconBitmapDrawable.getBitmap(); } + // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode. + inFullScreenBrowsingMode = false; + // Initialize AdView for the free flavor and request an ad. If this is not the free flavor BannerAd.requestAd() does nothing. adView = findViewById(R.id.adView); BannerAd.requestAd(adView); @@ -826,7 +1032,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN case R.id.clearFormData: WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this); mainWebViewDatabase.clearFormData(); - mainWebView.reload(); + Snackbar.make(findViewById(R.id.mainWebView), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show(); return true; case R.id.fontSizeFiftyPercent: @@ -859,11 +1065,9 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN case R.id.find_on_page: // Hide the URL app bar. - Toolbar appBarToolbar = (Toolbar) findViewById(R.id.appBar); - appBarToolbar.setVisibility(View.GONE); + supportAppBar.setVisibility(View.GONE); // Show the Find on Page `RelativeLayout`. - LinearLayout findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout); findOnPageLinearLayout.setVisibility(View.VISIBLE); // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android. @@ -998,8 +1202,8 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN domStorage.deleteAllData(); // Clear form data. - WebViewDatabase formData = WebViewDatabase.getInstance(this); - formData.clearFormData(); + WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this); + webViewDatabase.clearFormData(); // Clear cache. The argument of "true" includes disk files. mainWebView.clearCache(true); @@ -1017,7 +1221,6 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN customHeaders.clear(); // Detach all views from `mainWebViewRelativeLayout`. - RelativeLayout mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.mainWebViewRelativeLayout); mainWebViewRelativeLayout.removeAllViews(); // Destroy the internal state of `mainWebView`. @@ -1055,11 +1258,14 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); - // Reload the ad if this is the free flavor. - BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id)); + // Reload the ad for the free flavor if we are not in full screen mode. + if (BuildConfig.FLAVOR.contentEquals("free") && adView.isShown() && !fullScreenVideoFrameLayout.isShown()) { + // Reload the ad. + BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id)); - // Reinitialize the adView variable, as the View will have been removed and re-added in the free flavor by BannerAd.reloadAfterRotate(). - adView = findViewById(R.id.adView); + // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`. + adView = findViewById(R.id.adView); + } // `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); @@ -1074,6 +1280,9 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN final String imageUrl; final String linkUrl; + // Get a handle for the `ClipboardManager`. + final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE); + switch (hitTestResult.getType()) { // `SRC_ANCHOR_TYPE` is a link. case WebView.HitTestResult.SRC_ANCHOR_TYPE: @@ -1083,7 +1292,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // Set the target URL as the title of the `ContextMenu`. menu.setHeaderTitle(linkUrl); - // Add a `Load URL` button. + // Add a `Load URL` entry. menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { @@ -1092,7 +1301,20 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Add a `Cancel` button, which by default closes the `ContextMenu`. + // Add a `Copy URL` entry. + menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { + @Override + public boolean onMenuItemClick(MenuItem item) { + // Save the link URL in a `ClipData`. + ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl); + + // Set the `ClipData` as the clipboard's primary clip. + clipboardManager.setPrimaryClip(srcAnchorTypeClipData); + return false; + } + }); + + // Add a `Cancel` entry, which by default closes the `ContextMenu`. menu.add(R.string.cancel); break; @@ -1103,7 +1325,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // Set the target URL as the title of the `ContextMenu`. menu.setHeaderTitle(linkUrl); - // Add a `Write Email` button. + // Add a `Write Email` entry. menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { @@ -1122,7 +1344,20 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Add a `Cancel` button, which by default closes the `ContextMenu`. + // Add a `Copy Email Address` entry. + menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { + @Override + public boolean onMenuItemClick(MenuItem item) { + // Save the email address in a `ClipData`. + ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl); + + // Set the `ClipData` as the clipboard's primary clip. + clipboardManager.setPrimaryClip(srcEmailTypeClipData); + return false; + } + }); + + // Add a `Cancel` entry, which by default closes the `ContextMenu`. menu.add(R.string.cancel); break; @@ -1134,7 +1369,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // Set the image URL as the title of the `ContextMenu`. menu.setHeaderTitle(imageUrl); - // Add a `View Image` button. + // Add a `View Image` entry. menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { @@ -1143,7 +1378,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Add a `Download Image` button. + // Add a `Download Image` entry. menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { @@ -1154,7 +1389,20 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Add a `Cancel` button, which by default closes the `ContextMenu`. + // Add a `Copy URL` entry. + menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { + @Override + public boolean onMenuItemClick(MenuItem item) { + // Save the image URL in a `ClipData`. + ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl); + + // Set the `ClipData` as the clipboard's primary clip. + clipboardManager.setPrimaryClip(srcImageTypeClipData); + return false; + } + }); + + // Add a `Cancel` entry, which by default closes the `ContextMenu`. menu.add(R.string.cancel); break; @@ -1167,7 +1415,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // Set the image URL as the title of the `ContextMenu`. menu.setHeaderTitle(imageUrl); - // Add a `View Image` button. + // Add a `View Image` entry. menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { @@ -1176,7 +1424,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Add a `Download Image` button. + // Add a `Download Image` entry. menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { @Override public boolean onMenuItemClick(MenuItem item) { @@ -1187,7 +1435,20 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Add a `Cancel` button, which by default closes the `ContextMenu`. + // Add a `Copy URL` entry. + menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() { + @Override + public boolean onMenuItemClick(MenuItem item) { + // Save the image URL in a `ClipData`. + ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl); + + // Set the `ClipData` as the clipboard's primary clip. + clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData); + return false; + } + }); + + // Add a `Cancel` entry, which by default closes the `ContextMenu`. menu.add(R.string.cancel); break; } @@ -1304,11 +1565,9 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN mainWebView.clearHistory(); } - // Override onBackPressed to handle the navigation drawer and mainWebView. + // Override `onBackPressed` to handle the navigation drawer and `mainWebView`. @Override public void onBackPressed() { - final WebView mainWebView = (WebView) findViewById(R.id.mainWebView); - // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text. if (drawerLayout.isDrawerVisible(GravityCompat.START)) { drawerLayout.closeDrawer(GravityCompat.START); @@ -1317,7 +1576,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN if (mainWebView.canGoBack()) { mainWebView.goBack(); } else { - // Pass onBackPressed to the system. + // Pass `onBackPressed()` to the system. super.onBackPressed(); } } @@ -1327,10 +1586,14 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN public void onPause() { // Pause `mainWebView`. mainWebView.onPause(); + + // Stop all JavaScript. mainWebView.pauseTimers(); - // We need to pause the adView or it will continue to consume resources in the background on the free flavor. - BannerAd.pauseAd(adView); + // Pause the adView or it will continue to consume resources in the background on the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + BannerAd.pauseAd(adView); + } super.onPause(); } @@ -1339,12 +1602,16 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN public void onResume() { super.onResume(); - // Resume `mainWebView`. + // Resume JavaScript (if enabled). mainWebView.resumeTimers(); + + // Resume `mainWebView`. mainWebView.onResume(); - // We need to resume the adView for the free flavor. - BannerAd.resumeAd(adView); + // Resume the adView for the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + BannerAd.resumeAd(adView); + } } @Override @@ -1425,12 +1692,10 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN mainWebView.clearMatches(); // Hide the Find on Page `RelativeLayout`. - LinearLayout findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout); findOnPageLinearLayout.setVisibility(View.GONE); // Show the URL app bar. - Toolbar appBarToolbar = (Toolbar) findViewById(R.id.appBar); - appBarToolbar.setVisibility(View.VISIBLE); + supportAppBar.setVisibility(View.VISIBLE); // Hide the keyboard so we can see the webpage. `0` indicates no additional flags. inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0); @@ -1441,7 +1706,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); // Store the values from `sharedPreferences` in variables. - String userAgentString = sharedPreferences.getString("user_agent", "Default user agent"); + String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0"); String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0"); String javaScriptDisabledSearchString = sharedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q="); String javaScriptDisabledCustomSearchString = sharedPreferences.getString("javascript_disabled_search_custom_url", ""); @@ -1450,8 +1715,12 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN String homepageString = sharedPreferences.getString("homepage", "https://www.duckduckgo.com"); String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100"); swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh_enabled", false); + adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true); boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", true); boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false); + fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("enable_full_screen_browsing_mode", false); + hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false); + translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true); // Because they can be modified on-the-fly by the user, these default settings are only applied when the program first runs. if (javaScriptEnabled == null) { // If `javaScriptEnabled` is null the program is just starting. @@ -1525,6 +1794,37 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } else { // Reset the proxy to default. The host is `""` and the port is `"0"`. OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0"); } + + // If we are in full screen mode update the `SYSTEM_UI` flags. + if (inFullScreenBrowsingMode) { + if (hideSystemBarsOnFullscreen) { // Hide everything. + // Remove the translucent navigation setting if it is currently flagged. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + + // Remove the translucent status bar overlay. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command. + drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); + + /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * 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 rehides them after they are shown. + */ + rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + } else { // Hide everything except the status and navigation bars. + // Add the translucent status flag if it is unset. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + if (translucentNavigationBarOnFullscreen) { + // Set the navigation bar to be translucent. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + } else { + // Set the navigation bar to be black. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + } + } + } } private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {