+ // Process the results of a file browse.
+ @Override
+ public void onActivityResult(int requestCode, int resultCode, Intent data) {
+ // 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));
+
+ // 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();
+
+ // Get a handle for the file name edit text.
+ EditText fileNameEditText = saveWebpageImageDialog.findViewById(R.id.file_name_edittext);
+
+ // Instantiate the file name helper.
+ FileNameHelper fileNameHelper = new FileNameHelper();
+
+ // Convert the file name URI to a file name path.
+ String fileNamePath = fileNameHelper.convertUriToFileNamePath(data.getData());
+
+ // Set the file name path as the text of the file name edit text.
+ fileNameEditText.setText(fileNamePath);
+ }
+ }
+ break;
+ }
+ }
+
+ private void loadUrlFromTextBox() {
+ // Get a handle for the URL edit text.
+ EditText urlEditText = findViewById(R.id.url_edittext);
+
+ // 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 the formatted URL string.
+ String url = "";
+
+ // 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;
+ }
+
+ // Initialize `unformattedUrl`.
+ URL unformattedUrl = null;
+
+ // 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();
+ }
+
+ // 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;
+
+ // Build the URI.
+ Uri.Builder uri = new Uri.Builder();
+ uri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
+
+ // 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;
+
+ // Sanitize the search input.
+ try {
+ encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
+ } catch (UnsupportedEncodingException exception) {
+ encodedUrlString = "";
+ }
+
+ // Add the base search URL.
+ url = 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();
+
+ // Make it so.
+ loadUrl(url);
+ }
+
+ private void loadUrl(String url) {
+ // Sanitize the URL.
+ url = sanitizeUrl(url);
+
+ // 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);
+ }
+
+ public void findNextOnPage(View view) {
+ // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
+ currentWebView.findNext(true);
+ }
+
+ 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);
+
+ // Delete the contents of `find_on_page_edittext`.
+ findOnPageEditText.setText(null);
+
+ // Clear the highlighted phrases if the WebView is not null.
+ if (currentWebView != null) {
+ currentWebView.clearMatches();
+ }
+
+ // Hide the find on page linear layout.
+ findOnPageLinearLayout.setVisibility(View.GONE);
+
+ // Show the toolbar.
+ toolbar.setVisibility(View.VISIBLE);
+
+ // Get a handle for the input method manager.
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+
+ // Remove the lint warning below that the input method manager might be null.
+ assert inputMethodManager != null;
+
+ // Hide the keyboard.
+ inputMethodManager.hideSoftInputFromWindow(toolbar.getWindowToken(), 0);
+ }
+
+ @Override
+ public void onSaveWebpageImage(DialogFragment dialogFragment) {
+ // Get a handle for the file name edit text.
+ EditText fileNameEditText = dialogFragment.getDialog().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);
+ }
+ }
+ }
+ }
+
+ @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);
+ }
+
+ 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();
+ }
+
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // 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);
+
+ // 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);
+
+ // Remove the incorrect lint warning below that the action bar might be null.
+ assert actionBar != null;
+
+ // Apply the proxy through Orbot settings.
+ applyProxyThroughOrbot(false);
+
+ // Set Do Not Track status.
+ if (doNotTrackEnabled) {
+ customHeaders.put("DNT", "1");
+ } else {
+ customHeaders.remove("DNT");
+ }
+
+ // 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);
+ }
+
+ // Apply the modified layout parameters.
+ swipeRefreshLayout.setLayoutParams(swipeRefreshLayoutParams);
+ toolbar.setLayoutParams(toolbarLayoutParams);
+ findOnPageLinearLayout.setLayoutParams(findOnPageLayoutParams);
+ tabsLinearLayout.setLayoutParams(tabsLayoutParams);
+
+ // 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);
+
+ // Get the fragment view.
+ View fragmentView = webViewTabFragment.getView();
+
+ // 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);
+
+ // Set the app bar scrolling.
+ nestedScrollWebView.setNestedScrollingEnabled(scrollAppBar);
+ }
+ }
+
+ // 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);
+
+ // Hide the action bar.
+ actionBar.hide();
+ } else {
+ // Show the tab linear layout.
+ tabsLinearLayout.setVisibility(View.VISIBLE);
+
+ // Show the action bar.
+ actionBar.show();
+ }
+
+ // Hide the banner ad in the free flavor.
+ if (BuildConfig.FLAVOR.contentEquals("free")) {
+ AdHelper.hideAd(findViewById(R.id.adview));
+ }
+
+ // 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 { // 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;
+
+ // Show the tab linear layout.
+ tabsLinearLayout.setVisibility(View.VISIBLE);
+
+ // Show the action bar.
+ actionBar.show();
+
+ // 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));
+ }
+
+ // Remove the `SYSTEM_UI` flags from the root frame layout.
+ rootFrameLayout.setSystemUiVisibility(0);
+
+ // Add the translucent status flag.
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+ }
+ }
+
+ private void initializeApp() {
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Get the theme preference.
+ boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+
+ // Get a handle for the input method.
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+
+ // Remove the lint warning below that the input method manager might be null.
+ assert inputMethodManager != null;
+
+ // 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));
+
+ // Get handles for the URL views.
+ EditText urlEditText = findViewById(R.id.url_edittext);
+
+ // 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();
+ }
+ });
+
+ // 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();
+
+ // 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;
+ }
+ });
+
+ // Initialize the Orbot status and the waiting for Orbot trackers.
+ orbotStatus = "unknown";
+ waitingForOrbot = false;
+
+ // 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");
+
+ // 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;
+
+ // 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)));
+ }
+ }
+ }
+ }
+ };
+
+ // Register `orbotStatusBroadcastReceiver` on `this` context.
+ this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
+
+ // 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);
+
+ // Listen for touches on the navigation menu.
+ navigationView.setNavigationItemSelectedListener(this);
+
+ // 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);
+
+ // 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.
+ }
+
+ @Override
+ public void onPageSelected(int position) {
+ // Close the find on page bar if it is open.
+ closeFindOnPage(null);
+
+ // Set the current WebView.
+ setCurrentWebView(position);
+
+ // 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();
+
+ // Create a runnable to select the tab.
+ Runnable selectTabRunnable = () -> {
+ // Get a handle for the tab.
+ TabLayout.Tab tab = tabLayout.getTabAt(position);
+
+ // Assert that the tab is not null.
+ assert tab != null;
+
+ // Select the tab.
+ tab.select();
+ };
+
+ // Select the tab layout after 150 milliseconds, which leaves enough time for a new tab to be inflated.
+ selectTabHandler.postDelayed(selectTabRunnable, 150);
+ }
+ }
+
+ @Override
+ public void onPageScrollStateChanged(int state) {
+ // Do nothing.
+ }
+ });
+
+ // 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());
+ }
+
+ @Override
+ public void onTabUnselected(TabLayout.Tab tab) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onTabReselected(TabLayout.Tab tab) {
+ // Instantiate the View SSL Certificate dialog.
+ DialogFragment viewSslCertificateDialogFragment = ViewSslCertificateDialog.displayDialog(currentWebView.getWebViewFragmentId());
+
+ // Display the View SSL Certificate dialog.
+ viewSslCertificateDialogFragment.show(getSupportFragmentManager(), getString(R.string.view_ssl_certificate));
+ }
+ });
+
+ // 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));
+ }
+
+ // 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();
+
+ // Create a favorite icon byte array output stream.
+ ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
+
+ // 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);
+
+ // Convert the favorite icon byte array stream to a byte array.
+ byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
+
+ // Create an intent to launch the bookmarks activity.
+ Intent bookmarksIntent = new Intent(getApplicationContext(), BookmarksActivity.class);
+
+ // 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);
+
+ // Make it so.
+ startActivity(bookmarksIntent);
+ });
+
+ // 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());
+
+ // Show the create bookmark folder dialog.
+ createBookmarkFolderDialog.show(getSupportFragmentManager(), getString(R.string.create_folder));
+ });
+
+ // 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());
+
+ // Display the create bookmark dialog.
+ createBookmarkDialog.show(getSupportFragmentManager(), getString(R.string.create_bookmark));
+ });
+
+ // 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 onTextChanged(CharSequence s, int start, int before, int count) {
+ // Do nothing.
+ }
+
+ @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());
+ }
+ }
+ });
+
+ // 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);
+
+ // 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());
+
+ // Store the default progress view offsets for use later in `initializeWebView()`.
+ defaultProgressViewStartOffset = swipeRefreshLayout.getProgressViewStartOffset();
+ defaultProgressViewEndOffset = swipeRefreshLayout.getProgressViewEndOffset();
+
+ // 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);
+ }
+
+ // `DrawerTitle` identifies the `DrawerLayouts` in accessibility mode.
+ drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
+ drawerLayout.setDrawerTitle(GravityCompat.END, getString(R.string.bookmarks));
+
+ // 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);
+
+ // Initialize `currentBookmarksFolder`. `""` is the home folder in the database.
+ currentBookmarksFolder = "";
+
+ // Load the home folder, which is `""` in the database.
+ loadBookmarksFolder();
+
+ 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;
+
+ // Get the bookmark cursor for this ID and move it to the first row.
+ Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmark(databaseID);
+ bookmarkCursor.moveToFirst();
+
+ // 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));
+
+ // 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)));
+
+ // Close the bookmarks drawer.
+ drawerLayout.closeDrawer(GravityCompat.END);
+ }
+
+ // Close the `Cursor`.
+ bookmarkCursor.close();
+ });
+
+ bookmarksListView.setOnItemLongClickListener((parent, view, position, id) -> {
+ // Convert the database ID from `long` to `int`.
+ int databaseId = (int) id;
+
+ // Find out if the selected bookmark is a folder.
+ boolean isFolder = bookmarksDatabaseHelper.isFolder(databaseId);
+
+ if (isFolder) {
+ // Save the current folder name, which is used in `onSaveEditBookmarkFolder()`.
+ oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
+
+ // 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;
+ });
+
+ // 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;
+
+ // 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);
+
+ // The drawer listener is used to update the navigation menu.`
+ drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
+ @Override
+ public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
+ }
+
+ @Override
+ public void onDrawerOpened(@NonNull View drawerView) {
+ }
+
+ @Override
+ public void onDrawerClosed(@NonNull View drawerView) {
+ }
+
+ @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);
+
+ // 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 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 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));
+
+ // Hide the keyboard (if displayed).
+ inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0);
+ }
+
+ // 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();
+ }
+ }
+ });
+
+ // 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", "");
+
+ // 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);
+
+ // Get a handle for the WebView.
+ WebView bareWebView = webViewLayout.findViewById(R.id.bare_webview);
+
+ // Store the default user agent.
+ webViewDefaultUserAgent = bareWebView.getSettings().getUserAgentString();
+
+ // Destroy the bare WebView.
+ bareWebView.destroy();
+ }
+
+ // `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 resetTab, boolean reloadWebsite) {
+ // Store a copy of the current user agent to track changes for the return boolean.
+ String initialUserAgent = nestedScrollWebView.getSettings().getUserAgentString();
+
+ // Parse the URL into a URI.
+ Uri uri = Uri.parse(url);
+
+ // Extract the domain from `uri`.
+ String newHostName = uri.getHost();
+
+ // Strings don't like to be null.
+ if (newHostName == null) {
+ 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);
+
+ // Reset the ignoring of pinned domain information.
+ nestedScrollWebView.setIgnorePinnedDomainInformation(false);
+
+ // Clear any pinned SSL certificate or IP addresses.
+ nestedScrollWebView.clearPinnedSslCertificate();
+ nestedScrollWebView.clearPinnedIpAddresses();
+
+ // Reset the favorite icon if specified.
+ if (resetTab) {
+ // Initialize the favorite icon.
+ 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 corresponding tab.
+ TabLayout.Tab tab = tabLayout.getTabAt(currentPagePosition);
+
+ // 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();
+
+ // Remove the warning below that the tab custom view might be null.
+ assert tabCustomView != null;
+
+ // Get the tab views.
+ ImageView tabFavoriteIconImageView = tabCustomView.findViewById(R.id.favorite_icon_imageview);
+ TextView tabTitleTextView = tabCustomView.findViewById(R.id.title_textview);
+
+ // Set the default favorite icon as the favorite icon for this tab.
+ tabFavoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(nestedScrollWebView.getFavoriteOrDefaultIcon(), 64, 64, true));
+
+ // Set the loading title text.
+ tabTitleTextView.setText(R.string.loading);
+ }
+ }
+
+ // 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);
+
+ // Get a full cursor from `domainsDatabaseHelper`.
+ Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
+
+ // Initialize `domainSettingsSet`.
+ Set<String> domainSettingsSet = new HashSet<>();
+
+ // Get the domain name column index.
+ int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
+
+ // Populate `domainSettingsSet`.
+ for (int i = 0; i < domainNameCursor.getCount(); i++) {
+ // Move `domainsCursor` to the current row.
+ domainNameCursor.moveToPosition(i);
+
+ // Store the domain name in `domainSettingsSet`.
+ domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
+ }
+
+ // Close `domainNameCursor.
+ domainNameCursor.close();
+
+ // Initialize the domain name in database variable.
+ String domainNameInDatabase = null;
+
+ // Check the hostname against the domain settings set.
+ if (domainSettingsSet.contains(newHostName)) { // The hostname is contained in the domain settings set.
+ // Record the domain name in the database.
+ domainNameInDatabase = newHostName;
+
+ // Set the domain settings applied tracker to true.
+ nestedScrollWebView.setDomainSettingsApplied(true);
+ } else { // The hostname is not contained in the domain settings set.
+ // Set the domain settings applied tracker to false.
+ nestedScrollWebView.setDomainSettingsApplied(false);
+ }
+
+ // Check all the subdomains of the host name against wildcard domains in the domain cursor.
+ while (!nestedScrollWebView.getDomainSettingsApplied() && newHostName.contains(".")) { // Stop checking if domain settings are already applied or there are no more `.` in the host name.
+ if (domainSettingsSet.contains("*." + newHostName)) { // Check the host name prepended by `*.`.
+ // Set the domain settings applied tracker to true.
+ nestedScrollWebView.setDomainSettingsApplied(true);
+
+ // Store the applied domain names as it appears in the database.
+ domainNameInDatabase = "*." + newHostName;
+ }
+
+ // Strip out the lowest subdomain of of the host name.
+ newHostName = newHostName.substring(newHostName.indexOf(".") + 1);
+ }
+
+
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Store the general preference information.
+ 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);
+ 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<CharSequence> 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);
+ currentDomainSettingsCursor.moveToFirst();
+
+ // Get the settings from the cursor.
+ nestedScrollWebView.setDomainSettingsDatabaseId(currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper._ID)));
+ 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);
+ nestedScrollWebView.getSettings().setDomStorageEnabled(currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
+ // Form data can be removed once the minimum API >= 26.
+ boolean saveFormData = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
+ nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASY_LIST,
+ currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_EASYLIST)) == 1);
+ nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASY_PRIVACY,
+ 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,
+ 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);
+ String userAgentName = currentDomainSettingsCursor.getString(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
+ 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));
+ String pinnedSslIssuedToOName = currentDomainSettingsCursor.getString(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION));
+ String pinnedSslIssuedToUName = currentDomainSettingsCursor.getString(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT));
+ String pinnedSslIssuedByCName = currentDomainSettingsCursor.getString(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME));
+ String pinnedSslIssuedByOName = currentDomainSettingsCursor.getString(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION));
+ String pinnedSslIssuedByUName = currentDomainSettingsCursor.getString(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT));
+ boolean pinnedIpAddresses = (currentDomainSettingsCursor.getInt(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_IP_ADDRESSES)) == 1);
+ String pinnedHostIpAddresses = currentDomainSettingsCursor.getString(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.IP_ADDRESSES));
+
+ // Create the pinned SSL date variables.
+ Date pinnedSslStartDate;
+ Date pinnedSslEndDate;
+
+ // Set the pinned SSL certificate start date to `null` if the saved date `long` is 0 because creating a new Date results in an error if the input is 0.
+ if (currentDomainSettingsCursor.getLong(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)) == 0) {
+ pinnedSslStartDate = null;
+ } else {
+ pinnedSslStartDate = new Date(currentDomainSettingsCursor.getLong(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
+ }
+
+ // Set the pinned SSL certificate end date to `null` if the saved date `long` is 0 because creating a new Date results in an error if the input is 0.
+ if (currentDomainSettingsCursor.getLong(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)) == 0) {
+ pinnedSslEndDate = null;
+ } else {
+ pinnedSslEndDate = new Date(currentDomainSettingsCursor.getLong(currentDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
+ }
+
+ // If there is a pinned SSL certificate, store it in the WebView.
+ if (pinnedSslCertificate) {
+ nestedScrollWebView.setPinnedSslCertificate(pinnedSslIssuedToCName, pinnedSslIssuedToOName, pinnedSslIssuedToUName, pinnedSslIssuedByCName, pinnedSslIssuedByOName, pinnedSslIssuedByUName,
+ pinnedSslStartDate, pinnedSslEndDate);
+ }
+
+ // If there is a pinned IP address, store it in the WebView.
+ if (pinnedIpAddresses) {
+ nestedScrollWebView.setPinnedIpAddresses(pinnedHostIpAddresses);
+ }
+
+ // Set night mode according to the night mode int.
+ switch (nightModeInt) {
+ case DomainsDatabaseHelper.SYSTEM_DEFAULT:
+ // Set night mode according to the current default.
+ nestedScrollWebView.setNightMode(sharedPreferences.getBoolean("night_mode", false));
+ break;
+
+ case DomainsDatabaseHelper.ENABLED:
+ // Enable night mode.
+ nestedScrollWebView.setNightMode(true);
+ break;
+
+ case DomainsDatabaseHelper.DISABLED:
+ // Disable night mode.
+ nestedScrollWebView.setNightMode(false);
+ break;
+ }
+
+ // Enable JavaScript if night mode is enabled.
+ if (nestedScrollWebView.getNightMode()) {
+ // Enable JavaScript.
+ nestedScrollWebView.getSettings().setJavaScriptEnabled(true);
+ } else {
+ // Set JavaScript according to the domain settings.
+ nestedScrollWebView.getSettings().setJavaScriptEnabled(nestedScrollWebView.getDomainSettingsJavaScriptEnabled());
+ }
+
+ // Close the current host domain settings cursor.
+ currentDomainSettingsCursor.close();
+
+ // Apply the domain settings.
+ 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(saveFormData);
+ }
+
+ // Apply the font size.
+ if (fontSize == 0) { // Apply the default font size.
+ nestedScrollWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
+ } else { // Apply the specified font size.
+ nestedScrollWebView.getSettings().setTextZoom(fontSize);
+ }
+
+ // 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);
+
+ // 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) {
+ 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.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.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.SYSTEM_DEFAULT:
+ nestedScrollWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImages);
+ break;
+
+ case DomainsDatabaseHelper.ENABLED:
+ nestedScrollWebView.getSettings().setLoadsImagesAutomatically(true);
+ break;
+
+ case DomainsDatabaseHelper.DISABLED:
+ nestedScrollWebView.getSettings().setLoadsImagesAutomatically(false);
+ break;
+ }
+
+ // 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 { // 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);
+ nestedScrollWebView.setAcceptFirstPartyCookies(sharedPreferences.getBoolean("first_party_cookies", false));
+ boolean defaultThirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies", false);
+ nestedScrollWebView.getSettings().setDomStorageEnabled(sharedPreferences.getBoolean("dom_storage", false));
+ boolean saveFormData = sharedPreferences.getBoolean("save_form_data", false); // Form data can be removed once the minimum API >= 26.
+ nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASY_LIST, sharedPreferences.getBoolean("easylist", true));
+ nestedScrollWebView.enableBlocklist(NestedScrollWebView.EASY_PRIVACY, 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.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 (nestedScrollWebView.getNightMode()) {
+ // Enable JavaScript.
+ nestedScrollWebView.getSettings().setJavaScriptEnabled(true);
+ } else {
+ // Set JavaScript according to the domain settings.
+ nestedScrollWebView.getSettings().setJavaScriptEnabled(defaultJavaScriptEnabled);
+ }
+
+ // Apply the default settings.
+ cookieManager.setAcceptCookie(nestedScrollWebView.getAcceptFirstPartyCookies());
+ nestedScrollWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
+
+ // Apply the form data setting if the API < 26.
+ if (Build.VERSION.SDK_INT < 26) {
+ 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);
+
+ // Set third-party cookies status if API >= 21.
+ if (Build.VERSION.SDK_INT >= 21) {
+ cookieManager.setAcceptThirdPartyCookies(nestedScrollWebView, defaultThirdPartyCookiesEnabled);
+ }
+
+ // 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;
+
+ 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[userAgentArrayPosition]);
+ }
+
+ // Set the viewport.
+ nestedScrollWebView.getSettings().setUseWideViewPort(wideViewport);
+
+ // Set the loading of webpage images.
+ nestedScrollWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImages);
+
+ // Set a transparent background on URL edit text. The deprecated `getResources().getDrawable()` must be used until the minimum API >= 21.
+ urlRelativeLayout.setBackground(getResources().getDrawable(R.color.transparent));
+ }
+
+ // Close the domains database helper.
+ domainsDatabaseHelper.close();
+
+ // Update the privacy icons.
+ updatePrivacyIcons(true);
+ }
+
+ // Reload the website if returning from the Domains activity.
+ if (reloadWebsite) {
+ nestedScrollWebView.reload();
+ }
+
+ // Return the user agent changed status.
+ return !nestedScrollWebView.getSettings().getUserAgentString().equals(initialUserAgent);
+ }
+
+ private void applyProxyThroughOrbot(boolean reloadWebsite) {
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // 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 app bar layout.
+ AppBarLayout appBarLayout = findViewById(R.id.appbar_layout);
+
+ // Set the homepage, search, and proxy options.
+ if (proxyThroughOrbot) { // Set the Tor options.
+ // Set the search URL.
+ if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
+ searchURL = torSearchCustomUrlString;
+ } else { // Use the string from the pre-built list.
+ searchURL = torSearchString;
+ }
+
+ // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
+ OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
+
+ // Set the app bar background to indicate proxying through Orbot is enabled.
+ if (darkTheme) {
+ appBarLayout.setBackgroundResource(R.color.dark_blue_30);
+ } else {
+ appBarLayout.setBackgroundResource(R.color.blue_50);
+ }
+
+ // Check to see if Orbot is ready.
+ if (!orbotStatus.equals("ON")) { // Orbot is not ready.
+ // Set `waitingForOrbot`.
+ waitingForOrbot = true;
+
+ // Disable the wide view port so that the waiting for Orbot text is displayed correctly.
+ currentWebView.getSettings().setUseWideViewPort(false);
+
+ // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
+ currentWebView.loadData("<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>", "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 the search URL.
+ if (searchString.equals("Custom URL")) { // Get the custom URL string.
+ searchURL = searchCustomUrlString;
+ } else { // Use the string from the pre-built list.
+ searchURL = searchString;
+ }
+
+ // Reset the proxy to default. The host is `""` and the port is `"0"`.
+ OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
+
+ // Set the default app bar layout background.
+ if (darkTheme) {
+ appBarLayout.setBackgroundResource(R.color.gray_900);
+ } else {
+ appBarLayout.setBackgroundResource(R.color.gray_100);
+ }
+
+ // Reset `waitingForOrbot.
+ waitingForOrbot = false;
+
+ // Reload the WebViews if requested.
+ if (reloadWebsite) {
+ // Reload the WebViews.
+ 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 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);
+
+ // Reload the WebView.
+ nestedScrollWebView.reload();
+ }
+ }
+ }
+ }
+ }
+
+ private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
+ // 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);
+ MenuItem domStorageMenuItem = optionsMenu.findItem(R.id.toggle_dom_storage);
+ MenuItem refreshMenuItem = optionsMenu.findItem(R.id.refresh);
+
+ // Update the privacy icon.
+ if (currentWebView.getSettings().getJavaScriptEnabled()) { // JavaScript is enabled.
+ privacyMenuItem.setIcon(R.drawable.javascript_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 (currentWebView.getAcceptFirstPartyCookies()) { // First-party cookies are enabled.
+ firstPartyCookiesMenuItem.setIcon(R.drawable.cookies_enabled);
+ } else { // First-party cookies are disabled.
+ if (darkTheme) {
+ firstPartyCookiesMenuItem.setIcon(R.drawable.cookies_disabled_dark);
+ } else {
+ firstPartyCookiesMenuItem.setIcon(R.drawable.cookies_disabled_light);
+ }
+ }
+
+ // Update the DOM storage icon.
+ if (currentWebView.getSettings().getJavaScriptEnabled() && currentWebView.getSettings().getDomStorageEnabled()) { // Both JavaScript and DOM storage are enabled.
+ domStorageMenuItem.setIcon(R.drawable.dom_storage_enabled);
+ } else if (currentWebView.getSettings().getJavaScriptEnabled()) { // JavaScript is enabled but DOM storage is disabled.
+ if (darkTheme) {
+ domStorageMenuItem.setIcon(R.drawable.dom_storage_disabled_dark);
+ } else {
+ domStorageMenuItem.setIcon(R.drawable.dom_storage_disabled_light);
+ }
+ } else { // JavaScript is disabled, so DOM storage is ghosted.
+ if (darkTheme) {
+ domStorageMenuItem.setIcon(R.drawable.dom_storage_ghosted_dark);
+ } else {
+ domStorageMenuItem.setIcon(R.drawable.dom_storage_ghosted_light);
+ }
+ }
+
+ // Update the refresh icon.
+ if (darkTheme) {
+ refreshMenuItem.setIcon(R.drawable.refresh_enabled_dark);
+ } else {
+ refreshMenuItem.setIcon(R.drawable.refresh_enabled_light);
+ }
+
+ // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`.
+ if (runInvalidateOptionsMenu) {
+ invalidateOptionsMenu();
+ }
+ }
+ }
+
+ private void openUrlWithExternalApp(String url) {
+ // 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");
+
+ // Flag the intent to open in a new task.
+ downloadIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Show the chooser.
+ startActivity(Intent.createChooser(downloadIntent, getString(R.string.open_with)));
+ }
+
+ private void highlightUrlText() {
+ // Get a handle for the URL edit text.
+ EditText urlEditText = findViewById(R.id.url_edittext);
+
+ // Only highlight the URL text if the box is not currently selected.
+ if (!urlEditText.hasFocus()) {
+ // Get the URL string.
+ String urlString = urlEditText.getText().toString();
+
+ // Highlight the URL according to the protocol.
+ if (urlString.startsWith("file://")) { // This is a file URL.
+ // De-emphasize only the protocol.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ } else if (urlString.startsWith("content://")) {
+ // De-emphasize only the protocol.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, 10, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ } else { // This is a web URL.
+ // Get the index of the `/` immediately after the domain name.
+ int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
+
+ // Create a base URL string.
+ String baseUrl;
+
+ // Get the base URL.
+ if (endOfDomainName > 0) { // There is at least one character after the base URL.
+ // Get the base URL.
+ baseUrl = urlString.substring(0, endOfDomainName);
+ } else { // There are no characters after the base URL.
+ // Set the base URL to be the entire URL string.
+ baseUrl = urlString;
+ }
+
+ // Get the index of the last `.` in the domain.
+ int lastDotIndex = baseUrl.lastIndexOf(".");
+
+ // Get the index of the penultimate `.` in the domain.
+ int penultimateDotIndex = baseUrl.lastIndexOf(".", lastDotIndex - 1);
+
+ // Markup the beginning of the URL.
+ if (urlString.startsWith("http://")) { // Highlight the protocol of connections that are not encrypted.
+ urlEditText.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+
+ // De-emphasize subdomains.
+ if (penultimateDotIndex > 0) { // There is more than one subdomain in the domain name.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 7, penultimateDotIndex + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ }
+ } else if (urlString.startsWith("https://")) { // De-emphasize the protocol of connections that are encrypted.
+ if (penultimateDotIndex > 0) { // There is more than one subdomain in the domain name.
+ // De-emphasize the protocol and the additional subdomains.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, penultimateDotIndex + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ } else { // There is only one subdomain in the domain name.
+ // De-emphasize only the protocol.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ }
+ }
+
+ // De-emphasize the text after the domain name.
+ if (endOfDomainName > 0) {
+ urlEditText.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ }
+ }
+ }
+ }
+
+ private void loadBookmarksFolder() {
+ // Update the bookmarks cursor with the contents of the bookmarks database for the current folder.
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder);
+
+ // Populate the bookmarks cursor adapter. `this` specifies the `Context`. `false` disables `autoRequery`.
+ bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
+ @Override
+ public View newView(Context context, Cursor cursor, ViewGroup parent) {
+ // Inflate the individual item layout. `false` does not attach it to the root.
+ return getLayoutInflater().inflate(R.layout.bookmarks_drawer_item_linearlayout, parent, false);
+ }
+
+ @Override
+ public void bindView(View view, Context context, Cursor cursor) {
+ // Get handles for the views.
+ ImageView bookmarkFavoriteIcon = view.findViewById(R.id.bookmark_favorite_icon);
+ TextView bookmarkNameTextView = view.findViewById(R.id.bookmark_name);
+
+ // Get the favorite icon byte array from the cursor.
+ byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
+
+ // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
+ Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
+
+ // Display the bitmap in `bookmarkFavoriteIcon`.
+ bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
+
+ // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
+ String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
+ bookmarkNameTextView.setText(bookmarkNameString);
+
+ // Make the font bold for folders.
+ if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
+ bookmarkNameTextView.setTypeface(Typeface.DEFAULT_BOLD);
+ } else { // Reset the font to default for normal bookmarks.
+ bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
+ }
+ }
+ };
+
+ // 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="));
+ }
+ }
+
+ // 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<ArrayList<List<String[]>>> combinedBlocklists) {
+ // Store the blocklists.
+ easyList = combinedBlocklists.get(0);
+ easyPrivacy = combinedBlocklists.get(1);
+ fanboysAnnoyanceList = combinedBlocklists.get(2);
+ fanboysSocialList = combinedBlocklists.get(3);
+ ultraPrivacy = combinedBlocklists.get(4);
+
+ // Add the first tab.
+ addNewTab("");
+ }
+
+ public void addTab(View view) {
+ // Add a new tab with a blank URL.
+ addNewTab("");
+ }
+
+ private void addNewTab(String url) {
+ // 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);
+ }
+
+ 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.
+ }
+ }
+
+ // 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);
+
+ // Get the fragment view.
+ View fragmentView = webViewTabFragment.getView();
+
+ // 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);
+
+ // Clear the cache for this WebView.
+ nestedScrollWebView.clearCache(true);
+ }
+ }
+
+ // 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.
+ }
+ }
+
+ // Wipe out each WebView.
+ 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 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);
+
+ // Clear SSL certificate preferences for this WebView.
+ nestedScrollWebView.clearSslPreferences();
+
+ // Clear the back/forward history for this WebView.
+ nestedScrollWebView.clearHistory();
+
+ // Destroy the internal state of `mainWebView`.
+ nestedScrollWebView.destroy();
+ }
+ }
+
+ // Clear the custom headers.
+ customHeaders.clear();
+
+ // 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");
+
+ // Wait until the process has finished.
+ deleteAppWebviewProcess.waitFor();
+ } catch (Exception exception) {
+ // Do nothing if an error is thrown.
+ }
+ }
+
+ // 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);
+
+ // Get the fragment view.
+ View fragmentView = webViewTabFragment.getView();
+
+ // 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);
+ }
+
+ // Get a handle for the cookie manager.
+ CookieManager cookieManager = CookieManager.getInstance();
+
+ // Set the first-party cookie status.
+ cookieManager.setAcceptCookie(currentWebView.getAcceptFirstPartyCookies());
+
+ // Update the privacy icons. `true` redraws the icons in the app bar.
+ updatePrivacyIcons(true);
+
+ // Get a handle for the input method manager.
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+
+ // Remove the lint warning below that the input method manager might be null.
+ assert inputMethodManager != null;
+
+ // Get the current URL.
+ String url = currentWebView.getUrl();
+
+ // 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("");
+
+ // 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.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, 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 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);
+
+ // Initialize the favorite icon.
+ nestedScrollWebView.initializeFavoriteIcon();
+
+ // Set the app bar scrolling.
+ nestedScrollWebView.setNestedScrollingEnabled(sharedPreferences.getBoolean("scroll_app_bar", true));
+
+ // Allow pinch to zoom.
+ nestedScrollWebView.getSettings().setBuiltInZoomControls(true);
+
+ // Hide zoom controls.
+ nestedScrollWebView.getSettings().setDisplayZoomControls(false);
+
+ // Don't allow mixed content (HTTP and HTTPS) on the same website.
+ if (Build.VERSION.SDK_INT >= 21) {
+ nestedScrollWebView.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_NEVER_ALLOW);
+ }
+
+ // Set the WebView to load in overview mode (zoomed out to the maximum width).
+ nestedScrollWebView.getSettings().setLoadWithOverviewMode(true);
+
+ // Explicitly disable geolocation.
+ nestedScrollWebView.getSettings().setGeolocationEnabled(false);
+
+ // Create a double-tap gesture detector to toggle full-screen mode.
+ GestureDetector doubleTapGestureDetector = new GestureDetector(getApplicationContext(), 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 the full screen browsing mode tracker.
+ inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
+
+ // 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.
+ if (BuildConfig.FLAVOR.contentEquals("free")) {
+ AdHelper.hideAd(findViewById(R.id.adview));
+ }
+
+ // 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 { // Switch to normal viewing mode.
+ // 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.
+ AdHelper.loadAd(findViewById(R.id.adview), getApplicationContext(), getString(R.string.ad_unit_id));
+ }
+
+ // Remove the `SYSTEM_UI` flags from the root frame layout.
+ rootFrameLayout.setSystemUiVisibility(0);
+
+ // Add the translucent status flag.
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+ }
+
+ // 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 the WebView through the double-tap gesture detector.
+ nestedScrollWebView.setOnTouchListener((View view, MotionEvent event) -> {
+ // Call `performClick()` on the view, which is required for accessibility.
+ view.performClick();
+
+ // Send the event to the gesture detector.
+ return doubleTapGestureDetector.onTouchEvent(event);
+ });
+
+ // Register the WebView for a context menu. This is used to see link targets and download images.
+ registerForContextMenu(nestedScrollWebView);
+
+ // Allow the downloading of files.
+ nestedScrollWebView.setDownloadListener((String downloadUrl, String userAgent, String contentDisposition, String mimetype, long contentLength) -> {
+ // Check if the download should be processed by 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(downloadUrl), "text/html");
+
+ // Flag the intent to open in a new task.
+ downloadIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Show the chooser.
+ startActivity(Intent.createChooser(downloadIntent, getString(R.string.open_with)));
+ } else { // Download with Android's download manager.
+ // Check to see if the WRITE_EXTERNAL_STORAGE permission has already been granted.
+ if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) { // The storage permission has not been granted.
+ // The WRITE_EXTERNAL_STORAGE permission needs to be requested.
+
+ // Store the variables for future use by `onRequestPermissionsResult()`.
+ this.downloadUrl = downloadUrl;
+ downloadContentDisposition = contentDisposition;
+ downloadContentLength = contentLength;
+
+ // 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);
+
+ // Show the download location permission alert dialog. The permission will be requested when the the dialog is closed.
+ downloadLocationPermissionDialogFragment.show(getSupportFragmentManager(), 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(downloadUrl, contentDisposition, contentLength);
+
+ // Show the download file alert dialog.
+ downloadFileDialogFragment.show(getSupportFragmentManager(), getString(R.string.download));
+ }
+ }
+ });
+
+ // Update the find on page count.
+ nestedScrollWebView.setFindListener(new WebView.FindListener() {
+ // Get a handle for `findOnPageCountTextView`.
+ final TextView findOnPageCountTextView = findViewById(R.id.find_on_page_count_textview);
+
+ @Override
+ public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
+ if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
+ // Set `findOnPageCountTextView` to `0/0`.
+ findOnPageCountTextView.setText(R.string.zero_of_zero);
+ } else if (isDoneCounting) { // There are matches.
+ // `activeMatchOrdinal` is zero-based.
+ int activeMatch = activeMatchOrdinal + 1;
+
+ // Build the match string.
+ String matchString = activeMatch + "/" + numberOfMatches;
+
+ // Set `findOnPageCountTextView`.
+ findOnPageCountTextView.setText(matchString);
+ }
+ }
+ });
+
+ // Update the status of swipe to refresh based on the scroll position of the nested scroll WebView.
+ // 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);
+ }
+ });
+
+ // 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 (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.
+ // `::selection {background: #0D47A1}' sets the text selection highlight color to be a dark blue. `!important` takes precedent over any existing sub-settings.
+ nestedScrollWebView.evaluateJavascript("(function() {var parent = document.getElementsByTagName('head').item(0); var style = document.createElement('style'); style.type = 'text/css'; " +
+ "style.innerHTML = '* {background-color: #212121 !important; color: #BDBDBD !important; box-shadow: none !important; text-decoration: none !important;" +
+ "text-shadow: none !important; border: none !important;} a {color: #1565C0 !important;} ::selection {background: #0D47A1 !important;}'; parent.appendChild(style)})()", value -> {
+ // Initialize a handler to display `mainWebView`.
+ Handler displayWebViewHandler = new Handler();
+
+ // Setup a runnable to display `mainWebView` after a delay to allow the CSS to be applied.
+ Runnable displayWebViewRunnable = () -> {
+ // Only display `mainWebView` if the progress bar is gone. This prevents the display of the `WebView` while it is still loading.
+ if (progressBar.getVisibility() == View.GONE) {
+ nestedScrollWebView.setVisibility(View.VISIBLE);
+ }
+ };
+
+ // 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.
+ progressBar.setProgress(progress);
+
+ // Set the visibility of the progress bar.
+ if (progress < 100) {
+ // Show the progress bar.
+ progressBar.setVisibility(View.VISIBLE);
+ } else {
+ // Hide the progress bar.
+ progressBar.setVisibility(View.GONE);
+
+ //Stop the swipe to refresh indicator if it is running
+ swipeRefreshLayout.setRefreshing(false);
+ }
+ }
+
+ // Set the favorite icon when it changes.
+ @Override
+ public void onReceivedIcon(WebView view, Bitmap icon) {
+ // Only update the favorite icon if the website has finished loading.
+ if (progressBar.getVisibility() == View.GONE) {
+ // Store the new favorite icon.
+ nestedScrollWebView.setFavoriteOrDefaultIcon(icon);
+
+ // Get the current page position.
+ int currentPosition = webViewPagerAdapter.getPositionForId(nestedScrollWebView.getWebViewFragmentId());
+
+ // Get the current tab.
+ TabLayout.Tab tab = tabLayout.getTabAt(currentPosition);
+
+ // Check to see if the tab has been populated.
+ if (tab != null) {
+ // Get the custom view from the tab.
+ View tabView = tab.getCustomView();
+
+ // 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));
+ }
+ }
+ }
+ }
+
+ // Save a copy of the title when it changes.
+ @Override
+ public void onReceivedTitle(WebView view, String title) {
+ // Get the current page position.
+ int currentPosition = webViewPagerAdapter.getPositionForId(nestedScrollWebView.getWebViewFragmentId());
+
+ // Get the current tab.
+ TabLayout.Tab tab = tabLayout.getTabAt(currentPosition);
+
+ // 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 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);
+ }
+ }
+ }
+
+ // Enter full screen video.
+ @Override
+ public void onShowCustomView(View video, CustomViewCallback callback) {
+ // Get a handle for the full screen video frame layout.
+ FrameLayout fullScreenVideoFrameLayout = findViewById(R.id.full_screen_video_framelayout);
+
+ // Set the full screen video flag.
+ displayingFullScreenVideo = true;
+
+ // Pause the ad if this is the free flavor.
+ if (BuildConfig.FLAVOR.contentEquals("free")) {
+ // The AdView is destroyed and recreated, which changes the ID, every time it is reloaded to handle possible rotations.
+ AdHelper.pauseAd(findViewById(R.id.adview));
+ }
+
+ // Hide the keyboard.
+ inputMethodManager.hideSoftInputFromWindow(nestedScrollWebView.getWindowToken(), 0);
+
+ // Hide the main content relative layout.
+ mainContentRelativeLayout.setVisibility(View.GONE);
+
+ // 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);
+
+ // 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);
+
+ // Disable the sliding drawers.
+ drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
+
+ // Add the video view to the full screen video frame layout.
+ fullScreenVideoFrameLayout.addView(video);
+
+ // Show the full screen video frame layout.
+ fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
+ }
+
+ // Exit full screen video.
+ @Override
+ public void onHideCustomView() {
+ // Get a handle for the full screen video frame layout.
+ FrameLayout fullScreenVideoFrameLayout = findViewById(R.id.full_screen_video_framelayout);
+
+ // Unset the full screen video flag.
+ displayingFullScreenVideo = false;
+
+ // Remove all the views from the full screen video frame layout.
+ fullScreenVideoFrameLayout.removeAllViews();
+
+ // Hide the full screen video frame layout.
+ fullScreenVideoFrameLayout.setVisibility(View.GONE);
+
+ // Enable the sliding drawers.
+ drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED);
+
+ // Show the main content relative layout.
+ mainContentRelativeLayout.setVisibility(View.VISIBLE);
+
+ // 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();
+ }
+
+ // Hide the banner ad in the free flavor.
+ if (BuildConfig.FLAVOR.contentEquals("free")) {
+ AdHelper.hideAd(findViewById(R.id.adview));
+ }
+
+ // 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 { // Switch to normal viewing mode.
+ // Remove the `SYSTEM_UI` flags from the root frame layout.
+ rootFrameLayout.setSystemUiVisibility(0);
+
+ // Add the translucent status flag.
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+ }
+
+ // 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));
+ }
+ }
+
+ // Upload files.
+ @Override
+ public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback, FileChooserParams fileChooserParams) {
+ // Show the file chooser if the device is running API >= 21.
+ if (Build.VERSION.SDK_INT >= 21) {
+ // Store the file path callback.
+ fileChooserCallback = filePathCallback;
+
+ // Create an intent to open a chooser based ont the file chooser parameters.
+ Intent fileChooserIntent = fileChooserParams.createIntent();
+
+ // Open the file chooser.
+ startActivityForResult(fileChooserIntent, FILE_UPLOAD_REQUEST_CODE);
+ }
+ return true;
+ }
+ });
+
+ 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.
+ @Override
+ public boolean shouldOverrideUrlLoading(WebView view, String url) {
+ // Sanitize the url.
+ url = sanitizeUrl(url);
+
+ 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.
+ if (userAgentChanged) {
+ // Manually load the URL. The changing of the user agent will cause WebView to reload the previous URL.
+ nestedScrollWebView.loadUrl(url, customHeaders);
+
+ // Returning true indicates that Privacy Browser is manually handling the loading of the URL.
+ return true;
+ } else {
+ // Returning false causes the current WebView to handle the URL and prevents it from adding redirects to the history list.
+ return false;
+ }
+ } else if (url.startsWith("mailto:")) { // Load the email address in an external email program.
+ // Use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
+ Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
+
+ // Parse the url and set it as the data for the intent.
+ emailIntent.setData(Uri.parse(url));
+
+ // Open the email program in a new task instead of as part of Privacy Browser.
+ emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Make it so.
+ startActivity(emailIntent);
+
+ // Returning true indicates Privacy Browser is handling the URL by creating an intent.
+ return true;
+ } else if (url.startsWith("tel:")) { // Load the phone number in the dialer.
+ // Open the dialer and load the phone number, but wait for the user to place the call.
+ Intent dialIntent = new Intent(Intent.ACTION_DIAL);
+
+ // Add the phone number to the intent.
+ dialIntent.setData(Uri.parse(url));