X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2FMainWebViewActivity.java;h=e4e68c36957255d62865e3dcfb6087cb34722a6e;hb=701035c727e9a9e70f3edc543cf13c930f7ee06a;hp=f2f8b040d5f0c4bf880ead557ce42da68c9c0bcb;hpb=7db44ba42c42745594e96b198be77c29c586920e;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java b/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java index f2f8b040..e4e68c36 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java +++ b/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java @@ -67,7 +67,7 @@ import java.net.URLEncoder; public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener { // favoriteIcon is public static so it can be accessed from CreateHomeScreenShortcut. public static Bitmap favoriteIcon; - // mainWebView is public static so it can be accessed from AboutDialog and SettingsFragment. It is also used in onCreate(), onOptionsItemSelected(), onNavigationItemSelected(), and loadUrlFromTextBox(). + // mainWebView is public static so it can be accessed from SettingsFragment. It is also used in onCreate(), onOptionsItemSelected(), onNavigationItemSelected(), and loadUrlFromTextBox(). public static WebView mainWebView; // mainMenu is public static so it can be accessed from SettingsFragment. It is also used in onCreateOptionsMenu() and onOptionsItemSelected(). @@ -78,7 +78,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation public static boolean javaScriptEnabled; // firstPartyCookiesEnabled is public static so it can be accessed from SettingsFragment. It is also used in onCreate(), onCreateOptionsMenu(), onPrepareOptionsMenu(), and onOptionsItemSelected(). public static boolean firstPartyCookiesEnabled; - // thirdPartyCookiesEnabled is uesd in onCreate(), onCreateOptionsMenu(), onPrepareOptionsMenu(), and onOptionsItemSelected(). + // thirdPartyCookiesEnabled is used in onCreate(), onCreateOptionsMenu(), onPrepareOptionsMenu(), and onOptionsItemSelected(). public static boolean thirdPartyCookiesEnabled; // domStorageEnabled is public static so it can be accessed from SettingsFragment. It is also used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). public static boolean domStorageEnabled; @@ -101,31 +101,56 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation private String formattedUrlString; // privacyIcon is used in onCreateOptionsMenu() and updatePrivacyIcon(). private MenuItem privacyIcon; - // urlTextBox is used in onCreate(), onOptionsItemSelected(), and loadUrlFromTextBox(). private EditText urlTextBox; + // adView is used in onCreate() and onConfigurationChanged(). + private View adView; @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.coordinator_layout); + setContentView(R.layout.main_coordinatorlayout); // 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); setSupportActionBar(supportAppBar); - - final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout); - - // We need to use the SupportActionBar from android.support.v7.app.ActionBar until the minimum API is >= 21. final ActionBar appBar = getSupportActionBar(); - // Setup AdView for the free flavor. - final View adView = findViewById(R.id.adView); + // This is needed to get rid of the Android Studio warning that appBar might be null. + assert appBar != null; + + // Add the custom url_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar. + appBar.setCustomView(R.layout.url_bar); + appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM); + + // Set the "go" button on the keyboard to load the URL in urlTextBox. + urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.urlTextBox); + urlTextBox.setOnKeyListener(new View.OnKeyListener() { + public boolean onKey(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. + try { + loadUrlFromTextBox(); + } catch (UnsupportedEncodingException e) { + e.printStackTrace(); + } + // 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; + } + } + }); + + final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout); // Implement swipe to refresh swipeToRefresh = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayout); + assert swipeToRefresh != null; //This assert removes the incorrect warning on the following line that swipeToRefresh might be null. swipeToRefresh.setColorSchemeResources(R.color.blue); swipeToRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override @@ -136,33 +161,6 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation mainWebView = (WebView) findViewById(R.id.mainWebView); - if (appBar != null) { - // Add the custom url_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar. - appBar.setCustomView(R.layout.url_bar); - appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM); - - // Set the "go" button on the keyboard to load the URL in urlTextBox. - urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.urlTextBox); - urlTextBox.setOnKeyListener(new View.OnKeyListener() { - public boolean onKey(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. - try { - loadUrlFromTextBox(); - } catch (UnsupportedEncodingException e) { - e.printStackTrace(); - } - // 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; - } - } - }); - } - // Create the navigation drawer. drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout); // The DrawerTitle identifies the drawer in accessibility mode. @@ -170,6 +168,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation // Listen for touches on the navigation menu. final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationView); + assert navigationView != null; // This assert removes the incorrect warning on the following line that navigationView might be null. navigationView.setNavigationItemSelectedListener(this); // drawerToggle creates the hamburger icon at the start of the AppBar. @@ -205,18 +204,15 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation // Update the progress bar when a page is loading. @Override public void onProgressChanged(WebView view, int progress) { - // Make sure that appBar is not null. - if (appBar != null) { - ProgressBar progressBar = (ProgressBar) appBar.getCustomView().findViewById(R.id.progressBar); - progressBar.setProgress(progress); - if (progress < 100) { - progressBar.setVisibility(View.VISIBLE); - } else { - progressBar.setVisibility(View.GONE); + ProgressBar progressBar = (ProgressBar) appBar.getCustomView().findViewById(R.id.progressBar); + progressBar.setProgress(progress); + if (progress < 100) { + progressBar.setVisibility(View.VISIBLE); + } else { + progressBar.setVisibility(View.GONE); - //Stop the SwipeToRefresh indicator if it is running - swipeToRefresh.setRefreshing(false); - } + //Stop the SwipeToRefresh indicator if it is running + swipeToRefresh.setRefreshing(false); } } @@ -226,21 +222,18 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation // Save a copy of the favorite icon for use if a shortcut is added to the home screen. favoriteIcon = icon; - // Place the favorite icon in the appBar if it is not null. - if (appBar != null) { - ImageView imageViewFavoriteIcon = (ImageView) appBar.getCustomView().findViewById(R.id.favoriteIcon); - imageViewFavoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true)); - } + // Place the favorite icon in the appBar. + ImageView imageViewFavoriteIcon = (ImageView) appBar.getCustomView().findViewById(R.id.favoriteIcon); + imageViewFavoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true)); } // Enter full screen video @Override public void onShowCustomView(View view, CustomViewCallback callback) { - if (appBar != null) { - appBar.hide(); - } + appBar.hide(); // Show the fullScreenVideoFrameLayout. + assert fullScreenVideoFrameLayout != null; //This assert removes the incorrect warning on the following line that fullScreenVideoFrameLayout might be null. fullScreenVideoFrameLayout.addView(view); fullScreenVideoFrameLayout.setVisibility(View.VISIBLE); @@ -251,29 +244,15 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation BannerAd.hideAd(adView); /* 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. - */ - - // Set the one flag supported by API >= 14. - view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION); - - // Set the two flags that are supported by API >= 16. - if (Build.VERSION.SDK_INT >= 16) { - view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN); - } - - // Set all three flags that are supported by API >= 19. - if (Build.VERSION.SDK_INT >= 19) { - view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); - } + * 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. + */ + view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); } // Exit full screen video public void onHideCustomView() { - if (appBar != null) { - appBar.show(); - } + appBar.show(); // Show the mainWebView. mainWebView.setVisibility(View.VISIBLE); @@ -282,6 +261,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation BannerAd.showAd(adView); // Hide the fullScreenVideoFrameLayout. + assert fullScreenVideoFrameLayout != null; //This assert removes the incorrect warning on the following line that fullScreenVideoFrameLayout might be null. fullScreenVideoFrameLayout.removeAllViews(); fullScreenVideoFrameLayout.setVisibility(View.GONE); } @@ -403,10 +383,12 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation // Load the initial website. mainWebView.loadUrl(formattedUrlString); - // Load the ad if this is the free flavor. + // 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); } + @Override protected void onNewIntent(Intent intent) { // Sets the new intent as the activity intent, so that any future getIntent()s pick up this one instead of creating a new activity. @@ -445,9 +427,6 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies); MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies); MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage); - /* toggleSaveFormData does nothing until database storage is implemented. - MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData); - */ // Set the initial status of the privacy icon. updatePrivacyIcon(); @@ -456,9 +435,6 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation toggleFirstPartyCookies.setChecked(firstPartyCookiesEnabled); toggleThirdPartyCookies.setChecked(thirdPartyCookiesEnabled); toggleDomStorage.setChecked(domStorageEnabled); - /* toggleSaveFormData does nothing until database storage is implemented. - toggleSaveFormData.setChecked(saveFormDataEnabled); - */ return true; } @@ -477,6 +453,10 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation MenuItem clearCookies = menu.findItem(R.id.clearCookies); clearCookies.setEnabled(cookieManager.hasCookies()); + // Enable DOM Storage if JavaScript is enabled. + MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage); + toggleDomStorage.setEnabled(javaScriptEnabled); + // Run all the other default commands. super.onPrepareOptionsMenu(menu); @@ -492,9 +472,6 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation public boolean onOptionsItemSelected(MenuItem menuItem) { int menuItemId = menuItem.getItemId(); - // Some options need to update the drawable for toggleJavaScript. - MenuItem toggleJavaScript = mainMenu.findItem(R.id.toggleJavaScript); - // Set the commands that relate to the menu entries. switch (menuItemId) { case R.id.toggleJavaScript: @@ -511,7 +488,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation if (javaScriptEnabled) { Snackbar.make(findViewById(R.id.mainWebView), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show(); } else { - if (domStorageEnabled || firstPartyCookiesEnabled) { + if (firstPartyCookiesEnabled) { Snackbar.make(findViewById(R.id.mainWebView), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show(); } else { Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); @@ -565,9 +542,6 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation // Apply the new DOM Storage status. mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled); - // Update the privacy icon. - updatePrivacyIcon(); - // Reload the WebView. mainWebView.reload(); return true; @@ -646,23 +620,25 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation startActivity(downloadManagerIntent); break; + case R.id.guide: + // Launch GuideActivity. + Intent guideIntent = new Intent(this, GuideActivity.class); + startActivity(guideIntent); + break; + case R.id.settings: - // Launch PreferenceFragment. - Intent intent = new Intent(this, SettingsActivity.class); - startActivity(intent); + // Launch SettingsActivity. + Intent settingsIntent = new Intent(this, SettingsActivity.class); + startActivity(settingsIntent); break; case R.id.about: - // Show the AboutDialog AlertDialog and name this instance aboutDialog. - AppCompatDialogFragment aboutDialog = new AboutDialog(); - aboutDialog.show(getSupportFragmentManager(), "aboutDialog"); + // Launch AboutActivity. + Intent aboutIntent = new Intent(this, AboutActivity.class); + startActivity(aboutIntent); break; case R.id.clearAndExit: - // Clear DOM storage. - WebStorage domStorage = WebStorage.getInstance(); - domStorage.deleteAllData(); - // Clear cookies. The commands changed slightly in API 21. if (Build.VERSION.SDK_INT >= 21) { cookieManager.removeAllCookies(null); @@ -670,6 +646,16 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation cookieManager.removeAllCookie(); } + // Clear DOM storage. + WebStorage domStorage = WebStorage.getInstance(); + domStorage.deleteAllData(); + + // Clear cache. The argument of "true" includes disk files. + mainWebView.clearCache(true); + + // Clear the back/forward history. + mainWebView.clearHistory(); + // Destroy the internal state of the webview. mainWebView.destroy(); @@ -702,8 +688,11 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); - // Update the status of the drawerToggle icon. - drawerToggle.onConfigurationChanged(newConfig); + // Reload the ad if this is the free flavor. + 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); } @Override @@ -740,6 +729,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation drawerLayout.closeDrawer(GravityCompat.START); } else { // Load the previous URL if available. + assert mainWebView != null; //This assert removes the incorrect warning in Android Studio on the following line that mainWebView might be null. if (mainWebView.canGoBack()) { mainWebView.goBack(); } else { @@ -749,9 +739,26 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation } } + @Override + public void onPause() { + // We need to pause the adView or it will continue to consume resources in the background on the free flavor. + BannerAd.pauseAd(adView); + + super.onPause(); + } + + @Override + public void onResume() { + super.onResume(); + + // We need to resume the adView for the free flavor. + BannerAd.resumeAd(adView); + } + private void loadUrlFromTextBox() throws UnsupportedEncodingException { - // Get the text from urlTextBox and convert it to a string. - String unformattedUrlString = urlTextBox.getText().toString(); + // 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 = urlTextBox.getText().toString().trim(); + URL unformattedUrl = null; Uri.Builder formattedUri = new Uri.Builder(); @@ -801,7 +808,7 @@ public class MainWebViewActivity extends AppCompatActivity implements Navigation if (javaScriptEnabled) { privacyIcon.setIcon(R.drawable.javascript_enabled); } else { - if (domStorageEnabled || firstPartyCookiesEnabled) { + if (firstPartyCookiesEnabled) { privacyIcon.setIcon(R.drawable.warning); } else { privacyIcon.setIcon(R.drawable.privacy_mode);