+ 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);
+
+ // Update the swipe refresh layout.
+ if (defaultSwipeToRefresh) { // Swipe to refresh is enabled.
+ // Update the status of the swipe refresh layout if the current WebView is not null (crash reports indicate that in some unexpected way it sometimes is null).
+ if (currentWebView != null) {
+ // Only enable the swipe refresh layout if the WebView is scrolled to the top. It is updated every time the scroll changes.
+ swipeRefreshLayout.setEnabled(currentWebView.getScrollY() == 0);
+ }
+ } else { // Swipe to refresh is disabled.
+ // Disable the swipe refresh layout.
+ swipeRefreshLayout.setEnabled(false);
+ }
+ break;
+
+ case DomainsDatabaseHelper.ENABLED:
+ // Store the swipe to refresh status in the nested scroll WebView.
+ nestedScrollWebView.setSwipeToRefresh(true);
+
+
+ // Update the status of the swipe refresh layout if the current WebView is not null (crash reports indicate that in some unexpected way it sometimes is null).
+ if (currentWebView != null) {
+ // Only enable the swipe refresh layout if the WebView is scrolled to the top. It is updated every time the scroll changes.
+ swipeRefreshLayout.setEnabled(currentWebView.getScrollY() == 0);
+ }
+ break;
+
+ case DomainsDatabaseHelper.DISABLED:
+ // Store the swipe to refresh status in the nested scroll WebView.
+ nestedScrollWebView.setSwipeToRefresh(false);
+
+ // Disable swipe to refresh.
+ swipeRefreshLayout.setEnabled(false);
+ break;
+ }
+
+ // Set the WebView theme if device is running API >= 29 and algorithmic darkening is supported.
+ if ((Build.VERSION.SDK_INT >= 29) && WebViewFeature.isFeatureSupported(WebViewFeature.ALGORITHMIC_DARKENING)) {
+ // Set the WebView theme.
+ switch (webViewThemeInt) {
+ case DomainsDatabaseHelper.SYSTEM_DEFAULT:
+ // Set the WebView theme. A switch statement cannot be used because the WebView theme entry values string array is not a compile time constant.
+ if (webViewTheme.equals(webViewThemeEntryValuesStringArray[1])) { // The light theme is selected.
+ // Turn off algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), false);
+ } else if (webViewTheme.equals(webViewThemeEntryValuesStringArray[2])) { // The dark theme is selected.
+ // Turn on algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), true);
+ } else { // The system default theme is selected.
+ // Get the current system theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Set the algorithmic darkening according to the current system theme status.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES));
+ }
+ break;
+
+ case DomainsDatabaseHelper.LIGHT_THEME:
+ // Turn off algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), false);
+ break;
+
+ case DomainsDatabaseHelper.DARK_THEME:
+ // Turn on algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), true);
+ break;
+ }
+ }
+
+ // 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 background on the URL relative layout to indicate that custom domain settings are being used.
+ urlRelativeLayout.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.domain_settings_url_background, null));
+ } else { // The new URL does not have custom domain settings. Load the defaults.
+ // Store the values from the shared preferences.
+ nestedScrollWebView.getSettings().setJavaScriptEnabled(sharedPreferences.getBoolean(getString(R.string.javascript_key), false));
+ nestedScrollWebView.setAcceptCookies(sharedPreferences.getBoolean(getString(R.string.cookies_key), false));
+ nestedScrollWebView.getSettings().setDomStorageEnabled(sharedPreferences.getBoolean(getString(R.string.dom_storage_key), false));
+ boolean saveFormData = sharedPreferences.getBoolean(getString(R.string.save_form_data_key), false); // Form data can be removed once the minimum API >= 26.
+ nestedScrollWebView.setEasyListEnabled(sharedPreferences.getBoolean(getString(R.string.easylist_key), true));
+ nestedScrollWebView.setEasyPrivacyEnabled(sharedPreferences.getBoolean(getString(R.string.easyprivacy_key), true));
+ nestedScrollWebView.setFanboysAnnoyanceListEnabled(sharedPreferences.getBoolean(getString(R.string.fanboys_annoyance_list_key), true));
+ nestedScrollWebView.setFanboysSocialBlockingListEnabled(sharedPreferences.getBoolean(getString(R.string.fanboys_social_blocking_list_key), true));
+ nestedScrollWebView.setUltraListEnabled(sharedPreferences.getBoolean(getString(R.string.ultralist_key), true));
+ nestedScrollWebView.setUltraPrivacyEnabled(sharedPreferences.getBoolean(getString(R.string.ultraprivacy_key), true));
+ nestedScrollWebView.setBlockAllThirdPartyRequests(sharedPreferences.getBoolean(getString(R.string.block_all_third_party_requests_key), false));
+
+ // Apply the default cookie setting.
+ cookieManager.setAcceptCookie(nestedScrollWebView.getAcceptCookies());
+
+ // Apply the default font size setting.
+ try {
+ // Try to set the font size from the value in the app settings.
+ nestedScrollWebView.getSettings().setTextZoom(Integer.parseInt(defaultFontSizeString));
+ } catch (Exception exception) {
+ // If the app settings value is invalid, set the font size to 100%.
+ nestedScrollWebView.getSettings().setTextZoom(100);
+ }
+
+ // 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);
+
+ // Update the swipe refresh layout.
+ if (defaultSwipeToRefresh) { // Swipe to refresh is enabled.
+ // Update the status of the swipe refresh layout if the current WebView is not null (crash reports indicate that in some unexpected way it sometimes is null).
+ if (currentWebView != null) {
+ // Only enable the swipe refresh layout if the WebView is scrolled to the top. It is updated every time the scroll changes.
+ swipeRefreshLayout.setEnabled(currentWebView.getScrollY() == 0);
+ }
+ } else { // Swipe to refresh is disabled.
+ // Disable the swipe refresh layout.
+ swipeRefreshLayout.setEnabled(false);
+ }
+
+ // Reset the pinned variables.
+ nestedScrollWebView.setDomainSettingsDatabaseId(-1);
+
+ // 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(getString(R.string.custom_user_agent_key), 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 WebView theme if device is running API >= 29 and algorithmic darkening is supported.
+ if ((Build.VERSION.SDK_INT >= 29) && WebViewFeature.isFeatureSupported(WebViewFeature.ALGORITHMIC_DARKENING)) {
+ // Set the WebView theme. A switch statement cannot be used because the WebView theme entry values string array is not a compile time constant.
+ if (webViewTheme.equals(webViewThemeEntryValuesStringArray[1])) { // the light theme is selected.
+ // Turn off algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), false);
+ } else if (webViewTheme.equals(webViewThemeEntryValuesStringArray[2])) { // The dark theme is selected.
+ // Turn on algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), true);
+ } else { // The system default theme is selected.
+ // Get the current system theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Set the algorithmic darkening according to the current system theme status.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), currentThemeStatus == Configuration.UI_MODE_NIGHT_YES);
+ }
+ }
+
+ // Set the viewport.
+ nestedScrollWebView.getSettings().setUseWideViewPort(wideViewport);
+
+ // Set the loading of webpage images.
+ nestedScrollWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImages);
+
+ // Set a transparent background on the URL relative layout.
+ urlRelativeLayout.setBackground(ResourcesCompat.getDrawable(getResources(), R.color.transparent, null));
+ }
+
+ // 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();
+ }
+
+ // Load the URL if directed. This makes sure that the domain settings are properly loaded before the URL. By using `loadUrl()`, instead of `loadUrlFromBase()`, the Referer header will never be sent.
+ if (loadUrl) {
+ nestedScrollWebView.loadUrl(url);
+ }
+ }
+
+ private void applyProxy(boolean reloadWebViews) {
+ // Set the proxy according to the mode.
+ proxyHelper.setProxy(getApplicationContext(), appBarLayout, proxyMode);
+
+ // Reset the waiting for proxy tracker.
+ waitingForProxy = false;
+
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Update the user interface and reload the WebViews if requested.
+ switch (proxyMode) {
+ case ProxyHelper.NONE:
+ // Initialize a color background typed value.
+ TypedValue colorBackgroundTypedValue = new TypedValue();
+
+ // Get the color background from the theme.
+ getTheme().resolveAttribute(android.R.attr.colorBackground, colorBackgroundTypedValue, true);
+
+ // Get the color background int from the typed value.
+ int colorBackgroundInt = colorBackgroundTypedValue.data;
+
+ // Set the default app bar layout background.
+ appBarLayout.setBackgroundColor(colorBackgroundInt);
+ break;
+
+ case ProxyHelper.TOR:
+ // Set the app bar background to indicate proxying through Orbot is enabled.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ appBarLayout.setBackgroundResource(R.color.blue_50);
+ } else {
+ appBarLayout.setBackgroundResource(R.color.dark_blue_30);
+ }
+
+ // Check to see if Orbot is installed.
+ try {
+ // Get the package manager.
+ PackageManager packageManager = getPackageManager();
+
+ // Check to see if Orbot is in the list. This will throw an error and drop to the catch section if it isn't installed.
+ packageManager.getPackageInfo("org.torproject.android", 0);
+
+ // Check to see if the proxy is ready.
+ if (!orbotStatus.equals(ProxyHelper.ORBOT_STATUS_ON)) { // Orbot is not ready.
+ // Set the waiting for proxy status.
+ waitingForProxy = true;
+
+ // Show the waiting for proxy dialog if it isn't already displayed.
+ if (getSupportFragmentManager().findFragmentByTag(getString(R.string.waiting_for_proxy_dialog)) == null) {
+ // Get a handle for the waiting for proxy alert dialog.
+ DialogFragment waitingForProxyDialogFragment = new WaitingForProxyDialog();
+
+ // Try to show the dialog. Sometimes the window is not yet active if returning from Settings.
+ try {
+ // Show the waiting for proxy alert dialog.
+ waitingForProxyDialogFragment.show(getSupportFragmentManager(), getString(R.string.waiting_for_proxy_dialog));
+ } catch (Exception waitingForTorException) {
+ // Add the dialog to the pending dialog array list. It will be displayed in `onStart()`.
+ pendingDialogsArrayList.add(new PendingDialogDataClass(waitingForProxyDialogFragment, getString(R.string.waiting_for_proxy_dialog)));
+ }
+ }
+ }
+ } catch (PackageManager.NameNotFoundException exception) { // Orbot is not installed.
+ // Show the Orbot not installed dialog if it is not already displayed.
+ if (getSupportFragmentManager().findFragmentByTag(getString(R.string.proxy_not_installed_dialog)) == null) {
+ // Get a handle for the Orbot not installed alert dialog.
+ DialogFragment orbotNotInstalledDialogFragment = ProxyNotInstalledDialog.displayDialog(proxyMode);
+
+ // Try to show the dialog. Sometimes the window is not yet active if returning from Settings.
+ try {
+ // Display the Orbot not installed alert dialog.
+ orbotNotInstalledDialogFragment.show(getSupportFragmentManager(), getString(R.string.proxy_not_installed_dialog));
+ } catch (Exception orbotNotInstalledException) {
+ // Add the dialog to the pending dialog array list. It will be displayed in `onStart()`.
+ pendingDialogsArrayList.add(new PendingDialogDataClass(orbotNotInstalledDialogFragment, getString(R.string.proxy_not_installed_dialog)));
+ }
+ }
+ }
+ break;
+
+ case ProxyHelper.I2P:
+ // Set the app bar background to indicate proxying through Orbot is enabled.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ appBarLayout.setBackgroundResource(R.color.blue_50);
+ } else {
+ appBarLayout.setBackgroundResource(R.color.dark_blue_30);
+ }
+ // Get the package manager.
+ PackageManager packageManager = getPackageManager();
+
+ // Check to see if I2P is installed.
+ try {
+ // Check to see if the F-Droid flavor is installed. This will throw an error and drop to the catch section if it isn't installed.
+ packageManager.getPackageInfo("net.i2p.android.router", 0);
+ } catch (PackageManager.NameNotFoundException fdroidException) { // The F-Droid flavor is not installed.
+ try {
+ // Check to see if the Google Play flavor is installed. This will throw an error and drop to the catch section if it isn't installed.
+ packageManager.getPackageInfo("net.i2p.android", 0);
+ } catch (PackageManager.NameNotFoundException googlePlayException) { // The Google Play flavor is not installed.
+ // Sow the I2P not installed dialog if it is not already displayed.
+ if (getSupportFragmentManager().findFragmentByTag(getString(R.string.proxy_not_installed_dialog)) == null) {
+ // Get a handle for the waiting for proxy alert dialog.
+ DialogFragment i2pNotInstalledDialogFragment = ProxyNotInstalledDialog.displayDialog(proxyMode);
+
+ // Try to show the dialog. Sometimes the window is not yet active if returning from Settings.
+ try {
+ // Display the I2P not installed alert dialog.
+ i2pNotInstalledDialogFragment.show(getSupportFragmentManager(), getString(R.string.proxy_not_installed_dialog));
+ } catch (Exception i2pNotInstalledException) {
+ // Add the dialog to the pending dialog array list. It will be displayed in `onStart()`.
+ pendingDialogsArrayList.add(new PendingDialogDataClass(i2pNotInstalledDialogFragment, getString(R.string.proxy_not_installed_dialog)));
+ }
+ }
+ }
+ }
+ break;
+
+ case ProxyHelper.CUSTOM:
+ // Set the app bar background to indicate proxying through Orbot is enabled.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ appBarLayout.setBackgroundResource(R.color.blue_50);
+ } else {
+ appBarLayout.setBackgroundResource(R.color.dark_blue_30);
+ }
+ break;
+ }
+
+ // Reload the WebViews if requested and not waiting for the proxy.
+ if (reloadWebViews && !waitingForProxy) {
+ // 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)) {
+ // Update the privacy icon.
+ if (currentWebView.getSettings().getJavaScriptEnabled()) { // JavaScript is enabled.
+ optionsPrivacyMenuItem.setIcon(R.drawable.javascript_enabled);
+ } else if (currentWebView.getAcceptCookies()) { // JavaScript is disabled but cookies are enabled.
+ optionsPrivacyMenuItem.setIcon(R.drawable.warning);
+ } else { // All the dangerous features are disabled.
+ optionsPrivacyMenuItem.setIcon(R.drawable.privacy_mode);
+ }
+
+ // Update the cookies icon.
+ if (currentWebView.getAcceptCookies()) {
+ optionsCookiesMenuItem.setIcon(R.drawable.cookies_enabled);
+ } else {
+ optionsCookiesMenuItem.setIcon(R.drawable.cookies_disabled);
+ }
+
+ // Update the refresh icon.
+ if (optionsRefreshMenuItem.getTitle() == getString(R.string.refresh)) { // The refresh icon is displayed.
+ // Set the icon. Once the minimum API is >= 26, the blue and black icons can be combined with a tint list.
+ optionsRefreshMenuItem.setIcon(R.drawable.refresh_enabled);
+ } else { // The stop icon is displayed.
+ // Set the icon. Once the minimum API is >= 26, the blue and black icons can be combined with a tint list.
+ optionsRefreshMenuItem.setIcon(R.drawable.close_blue);
+ }
+
+ // `invalidateOptionsMenu()` calls `onPrepareOptionsMenu()` and redraws the icons in the app bar.
+ if (runInvalidateOptionsMenu) {
+ invalidateOptionsMenu();
+ }
+ }
+ }
+
+ 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.
+ bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
+ @Override
+ public View newView(Context context, Cursor cursor, ViewGroup parent) {
+ // Inflate the individual item layout.
+ 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.getColumnIndexOrThrow(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.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_NAME));
+ bookmarkNameTextView.setText(bookmarkNameString);
+
+ // Make the font bold for folders.
+ if (cursor.getInt(cursor.getColumnIndexOrThrow(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 an open with app 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 the intent.
+ try {
+ // Show the chooser.
+ startActivity(openWithAppIntent);
+ } catch (ActivityNotFoundException exception) { // There are no apps available to open the URL.
+ // Show a snackbar with the error.
+ Snackbar.make(currentWebView, getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show();
+ }
+ }
+
+ private void openWithBrowser(String url) {
+ // Create an open with browser 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 the intent.
+ try {
+ // Show the chooser.
+ startActivity(openWithBrowserIntent);
+ } catch (ActivityNotFoundException exception) { // There are no browsers available to open the URL.
+ // Show a snackbar with the error.
+ Snackbar.make(currentWebView, getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show();
+ }
+ }
+
+ private String sanitizeUrl(String url) {
+ // Sanitize tracking queries.
+ if (sanitizeTrackingQueries)
+ url = SanitizeUrlHelper.sanitizeTrackingQueries(url);
+
+ // Sanitize AMP redirects.
+ if (sanitizeAmpRedirects)
+ url = SanitizeUrlHelper.sanitizeAmpRedirects(url);
+
+ // 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);
+ ultraList = combinedBlocklists.get(4);
+ ultraPrivacy = combinedBlocklists.get(5);
+
+ // Check to see if the activity has been restarted with a saved state.
+ if ((savedStateArrayList == null) || (savedStateArrayList.size() == 0)) { // The activity has not been restarted or it was restarted on start to force the night theme.
+ // Add the first tab.
+ addNewTab("", true);
+ } else { // The activity has been restarted.
+ // Restore each tab. Once the minimum API >= 24, a `forEach()` command can be used.
+ for (int i = 0; i < savedStateArrayList.size(); i++) {
+ // Add a new tab.
+ tabLayout.addTab(tabLayout.newTab());
+
+ // Get the new tab.
+ TabLayout.Tab newTab = tabLayout.getTabAt(i);
+
+ // 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 page.
+ webViewPagerAdapter.restorePage(savedStateArrayList.get(i), savedNestedScrollWebViewStateArrayList.get(i));
+ }
+
+ // Reset the saved state variables.
+ savedStateArrayList = null;
+ savedNestedScrollWebViewStateArrayList = null;
+
+ // Restore the selected tab position.
+ if (savedTabPosition == 0) { // The first tab is selected.
+ // Set the first page as the current WebView.
+ setCurrentWebView(0);
+ } else { // the first tab is not selected.
+ // Move to the selected tab.
+ webViewPager.setCurrentItem(savedTabPosition);
+ }
+
+ // Get the intent that started the app.
+ Intent intent = getIntent();
+
+ // Reset the intent. This prevents a duplicate tab from being created on restart.
+ setIntent(new Intent());
+
+ // Get the information from the intent.
+ String intentAction = intent.getAction();
+ Uri intentUriData = intent.getData();
+ String intentStringExtra = intent.getStringExtra(Intent.EXTRA_TEXT);
+
+ // Determine if this is a web search.
+ boolean isWebSearch = ((intentAction != null) && intentAction.equals(Intent.ACTION_WEB_SEARCH));
+
+ // Only process the URI if it contains data or it is a web search. If the user pressed the desktop icon after the app was already running the URI will be null.
+ if (intentUriData != null || intentStringExtra != null || isWebSearch) {
+ // Get the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Create a URL string.
+ String url;
+
+ // If the intent action is a web search, perform the search.
+ if (isWebSearch) { // The intent is a web search.
+ // Create an encoded URL string.
+ String encodedUrlString;
+
+ // Sanitize the search input and convert it to a search.
+ try {
+ encodedUrlString = URLEncoder.encode(intent.getStringExtra(SearchManager.QUERY), "UTF-8");
+ } catch (UnsupportedEncodingException exception) {
+ encodedUrlString = "";
+ }
+
+ // Add the base search URL.
+ url = searchURL + encodedUrlString;
+ } else if (intentUriData != null) { // The intent contains a URL formatted as a URI.
+ // Set the intent data as the URL.
+ url = intentUriData.toString();
+ } else { // The intent contains a string, which might be a URL.
+ // Set the intent string as the URL.
+ url = intentStringExtra;
+ }
+
+ // Add a new tab if specified in the preferences.
+ if (sharedPreferences.getBoolean(getString(R.string.open_intents_in_new_tab_key), true)) { // Load the URL in a new tab.
+ // Set the loading new intent flag.
+ loadingNewIntent = true;
+
+ // Add a new tab.
+ addNewTab(url, true);
+ } else { // Load the URL in the current tab.
+ // Make it so.
+ loadUrl(currentWebView, url);
+ }
+ }
+ }
+ }
+
+ public void addTab(View view) {
+ // Add a new tab with a blank URL.
+ addNewTab("", true);
+ }
+
+ private void addNewTab(String url, boolean moveToTab) {
+ // Clear the focus from the URL edit text, so that it will be populated with the information from the new tab.
+ urlEditText.clearFocus();
+
+ // Get the new page number. The page numbers are 0 indexed, so the new page number will match the current count.
+ int newTabNumber = tabLayout.getTabCount();
+
+ // Add a new tab.
+ tabLayout.addTab(tabLayout.newTab());
+
+ // Get the new tab.
+ TabLayout.Tab newTab = tabLayout.getTabAt(newTabNumber);
+
+ // Remove the lint warning below that the current tab might be null.
+ assert newTab != null;
+
+ // Set a custom view on the new tab.
+ newTab.setCustomView(R.layout.tab_custom_view);
+
+ // Add the new WebView page.
+ webViewPagerAdapter.addPage(newTabNumber, webViewPager, url, moveToTab);
+
+ // Show the app bar if it is at the bottom of the screen and the new tab is taking focus.
+ if (bottomAppBar && moveToTab && (appBarLayout.getTranslationY() != 0)) {
+ // Animate the bottom app bar onto the screen.
+ objectAnimator = ObjectAnimator.ofFloat(appBarLayout, "translationY", 0);
+
+ // Make it so.
+ objectAnimator.start();
+ }
+ }
+
+ public void closeTab(View view) {
+ // 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 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 (because the newly selected tab has has same number as the previously deleted tab), it will return true,
+ // meaning that the current WebView must be reset. Otherwise it will happen automatically as the selected tab number changes.
+ if (webViewPagerAdapter.deletePage(currentTabNumber, webViewPager)) {
+ setCurrentWebView(currentTabNumber);
+ }
+ }
+
+ private void exitFullScreenVideo() {
+ // Re-enable the screen timeout.
+ fullScreenVideoFrameLayout.setKeepScreenOn(false);
+
+ // 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 coordinator layout.
+ coordinatorLayout.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 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);
+ }
+ }
+
+ 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(getString(R.string.clear_everything_key), 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(getString(R.string.clear_cookies_key), true)) {
+ // Request the cookies be deleted.
+ CookieManager.getInstance().removeAllCookies(null);
+
+ // 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(getString(R.string.clear_dom_storage_key), 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(getString(R.string.clear_form_data_key), 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 logcat.
+ if (clearEverything || sharedPreferences.getBoolean(getString(R.string.clear_logcat_key), true)) {
+ try {
+ // Clear the logcat. `-c` clears the logcat. `-b all` clears all the buffers (instead of just crash, main, and system).
+ Process process = Runtime.getRuntime().exec("logcat -b all -c");
+
+ // Wait for the process to finish.
+ process.waitFor();
+ } catch (IOException|InterruptedException exception) {
+ // Do nothing.
+ }
+ }
+
+ // Clear the cache.
+ if (clearEverything || sharedPreferences.getBoolean(getString(R.string.clear_cache_key), 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 WebView fragment view.
+ View webViewFragmentView = webViewTabFragment.getView();
+
+ // Only clear the cache if the WebView exists.
+ if (webViewFragmentView != null) {
+ // Get the nested scroll WebView from the tab fragment.
+ NestedScrollWebView nestedScrollWebView = webViewFragmentView.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/Default/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 WebView frame layout.
+ FrameLayout webViewFrameLayout = (FrameLayout) webViewTabFragment.getView();
+
+ // Only wipe out the WebView if it exists.
+ if (webViewFrameLayout != null) {
+ // Get the nested scroll WebView from the tab fragment.
+ NestedScrollWebView nestedScrollWebView = webViewFrameLayout.findViewById(R.id.nestedscroll_webview);
+
+ // Clear SSL certificate preferences for this WebView.
+ nestedScrollWebView.clearSslPreferences();
+
+ // Clear the back/forward history for this WebView.
+ nestedScrollWebView.clearHistory();
+
+ // Remove all the views from the frame layout.
+ webViewFrameLayout.removeAllViews();
+
+ // Destroy the internal state of the WebView.
+ nestedScrollWebView.destroy();
+ }
+ }
+
+ // 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.
+ finishAndRemoveTask();
+
+ // Remove the terminated program from RAM. The status code is `0`.
+ System.exit(0);
+ }
+
+ public void bookmarksBack(View view) {
+ if (currentBookmarksFolder.isEmpty()) { // The home folder is displayed.
+ // close the bookmarks drawer.
+ drawerLayout.closeDrawer(GravityCompat.END);
+ } else { // A subfolder is displayed.
+ // Place the former parent folder in `currentFolder`.
+ currentBookmarksFolder = bookmarksDatabaseHelper.getParentFolderName(currentBookmarksFolder);
+
+ // Load the new folder.
+ loadBookmarksFolder();
+ }
+ }
+
+ public void toggleBookmarksDrawerPinned(View view) {
+ // Toggle the bookmarks drawer pinned tracker.
+ bookmarksDrawerPinned = !bookmarksDrawerPinned;
+
+ // Update the bookmarks drawer pinned image view.
+ updateBookmarksDrawerPinnedImageView();
+ }
+
+ private void updateBookmarksDrawerPinnedImageView() {
+ // Set the current icon.
+ if (bookmarksDrawerPinned)
+ bookmarksDrawerPinnedImageView.setImageResource(R.drawable.pin_selected);
+ else
+ bookmarksDrawerPinnedImageView.setImageResource(R.drawable.pin);
+ }
+
+ private void setCurrentWebView(int pageNumber) {
+ // 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 webViewFragmentView = webViewTabFragment.getView();
+
+ // Set the current WebView if the fragment view is not null.
+ if (webViewFragmentView != null) { // The fragment has been populated.
+ // Store the current WebView.
+ currentWebView = webViewFragmentView.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.getScrollY() == 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 cookie status.
+ cookieManager.setAcceptCookie(currentWebView.getAcceptCookies());
+
+ // 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 syntax.
+ UrlHelper.highlightSyntax(urlEditText, initialGrayColorSpan, finalGrayColorSpan, redColorSpan);
+ }
+ } 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 background on the URL relative layout to indicate that custom domain settings are being used.
+ urlRelativeLayout.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.domain_settings_url_background, null));
+ } else {
+ // Remove any background on the URL relative layout.
+ urlRelativeLayout.setBackground(ResourcesCompat.getDrawable(getResources(), R.color.transparent, null));
+ }
+ } 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);
+ }
+ }
+
+ @SuppressLint("ClickableViewAccessibility")
+ @Override
+ public void initializeWebView(@NonNull NestedScrollWebView nestedScrollWebView, int pageNumber, @NonNull ProgressBar progressBar, @NonNull String url, boolean restoringState) {
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Get the WebView theme.
+ String webViewTheme = sharedPreferences.getString(getString(R.string.webview_theme_key), getString(R.string.webview_theme_default_value));
+
+ // Get the WebView theme entry values string array.
+ String[] webViewThemeEntryValuesStringArray = getResources().getStringArray(R.array.webview_theme_entry_values);
+
+ // Set the WebView theme if device is running API >= 29 and algorithmic darkening is supported.
+ if ((Build.VERSION.SDK_INT >= 29) && WebViewFeature.isFeatureSupported(WebViewFeature.ALGORITHMIC_DARKENING)) {
+ // Set the WebView them. A switch statement cannot be used because the WebView theme entry values string array is not a compile time constant.
+ if (webViewTheme.equals(webViewThemeEntryValuesStringArray[1])) { // The light theme is selected.
+ // Turn off algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), false);
+
+ // Make the WebView visible. The WebView was created invisible in `webview_framelayout` to prevent a white background splash in night mode.
+ // If the system is currently in night mode, showing the WebView will be handled in `onProgressChanged()`.
+ nestedScrollWebView.setVisibility(View.VISIBLE);
+ } else if (webViewTheme.equals(webViewThemeEntryValuesStringArray[2])) { // The dark theme is selected.
+ // Turn on algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), true);
+ } else {
+ // The system default theme is selected.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Set the algorithmic darkening according to the current system theme status.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) { // The system is in day mode.
+ // Turn off algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), false);
+
+ // Make the WebView visible. The WebView was created invisible in `webview_framelayout` to prevent a white background splash in night mode.
+ // If the system is currently in night mode, showing the WebView will be handled in `onProgressChanged()`.
+ nestedScrollWebView.setVisibility(View.VISIBLE);
+ } else { // The system is in night mode.
+ // Turn on algorithmic darkening.
+ WebSettingsCompat.setAlgorithmicDarkeningAllowed(nestedScrollWebView.getSettings(), true);
+ }
+ }
+ }
+
+ // 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;
+
+ // Set the app bar scrolling.
+ nestedScrollWebView.setNestedScrollingEnabled(scrollAppBar);
+
+ // 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.
+ 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);
+
+ // Allow loading of file:// URLs. This is necessary for opening MHT web archives, which are copies into a temporary cache location.
+ nestedScrollWebView.getSettings().setAllowFileAccess(true);
+
+ // 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.
+ // Hide the app bar if specified.
+ if (hideAppBar) { // The app bar is hidden.
+ // 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();
+
+ // Set layout and scrolling parameters according to the position of the app bar.
+ if (bottomAppBar) { // The app bar is at the bottom.
+ // Reset the WebView padding to fill the available space.
+ swipeRefreshLayout.setPadding(0, 0, 0, 0);
+ } else { // The app bar is at the top.
+ // Check to see if the app bar is normally scrolled.
+ if (scrollAppBar) { // The app bar is scrolled when it is displayed.
+ // Get the swipe refresh layout parameters.
+ CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams();
+
+ // Remove the off-screen scrolling layout.
+ swipeRefreshLayoutParams.setBehavior(null);
+ } else { // The app bar is not scrolled when it is displayed.
+ // Remove the padding from the top of the swipe refresh layout.
+ swipeRefreshLayout.setPadding(0, 0, 0, 0);
+
+ // The swipe refresh circle must be moved above the now removed status bar location.
+ swipeRefreshLayout.setProgressViewOffset(false, -200, defaultProgressViewEndOffset);
+ }
+ }
+ } else { // The app bar is not hidden.
+ // Adjust the UI for the bottom app bar.
+ if (bottomAppBar) {
+ // Adjust the UI according to the scrolling of the app bar.
+ if (scrollAppBar) {
+ // Reset the WebView padding to fill the available space.
+ swipeRefreshLayout.setPadding(0, 0, 0, 0);
+ } else {
+ // Move the WebView above the app bar layout.
+ swipeRefreshLayout.setPadding(0, 0, 0, appBarHeight);
+ }
+ }
+ }
+
+ /* 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 app bar if it was hidden.
+ if (hideAppBar) {
+ // Show the tab linear layout.
+ tabsLinearLayout.setVisibility(View.VISIBLE);
+
+ // Show the action bar.
+ actionBar.show();
+ }
+
+ // Set layout and scrolling parameters according to the position of the app bar.
+ if (bottomAppBar) { // The app bar is at the bottom.
+ // Adjust the UI.
+ if (scrollAppBar) {
+ // Reset the WebView padding to fill the available space.
+ swipeRefreshLayout.setPadding(0, 0, 0, 0);
+ } else {
+ // Move the WebView above the app bar layout.
+ swipeRefreshLayout.setPadding(0, 0, 0, appBarHeight);
+ }
+ } else { // The app bar is at the top.
+ // Check to see if the app bar is normally scrolled.
+ if (scrollAppBar) { // The app bar is scrolled when it is displayed.
+ // Get the swipe refresh layout parameters.
+ CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams();
+
+ // Add the off-screen scrolling layout.
+ swipeRefreshLayoutParams.setBehavior(new AppBarLayout.ScrollingViewBehavior());
+ } else { // The app bar is not scrolled when it is displayed.
+ // The swipe refresh layout must be manually moved below the app bar layout.
+ swipeRefreshLayout.setPadding(0, appBarHeight, 0, 0);
+
+ // The swipe to refresh circle doesn't always hide itself completely unless it is moved up 10 pixels.
+ swipeRefreshLayout.setProgressViewOffset(false, defaultProgressViewStartOffset - 10 + appBarHeight, defaultProgressViewEndOffset + appBarHeight);
+ }
+ }
+
+ // Remove the `SYSTEM_UI` flags from the root frame layout.
+ rootFrameLayout.setSystemUiVisibility(0);
+ }
+
+ // Consume the double-tap.
+ return true;
+ } else { // Do not consume the double-tap because full screen browsing mode is disabled.
+ return false;
+ }
+ }
+
+ @Override
+ public boolean onFling(MotionEvent motionEvent1, MotionEvent motionEvent2, float velocityX, float velocityY) {
+ // Scroll the bottom app bar if enabled.
+ if (bottomAppBar && scrollAppBar && !objectAnimator.isRunning()) {
+ // Calculate the Y change.
+ float motionY = motionEvent2.getY() - motionEvent1.getY();
+
+ // Scroll the app bar if the change is greater than 50 pixels.
+ if (motionY > 50) {
+ // Animate the bottom app bar onto the screen.
+ objectAnimator = ObjectAnimator.ofFloat(appBarLayout, "translationY", 0);
+ } else if (motionY < -50) {
+ // Animate the bottom app bar off the screen.
+ objectAnimator = ObjectAnimator.ofFloat(appBarLayout, "translationY", appBarLayout.getHeight());
+ }
+
+ // Make it so.
+ objectAnimator.start();
+ }
+
+ // Do not consume the event.
+ 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 the download preference.
+ if (downloadWithExternalApp) { // Download with an external app.
+ downloadUrlWithExternalApp(downloadUrl);
+ } else { // Handle the download inside of Privacy Browser.
+ // Define a formatted file size string.
+ String formattedFileSizeString;
+
+ // Process the content length if it contains data.
+ if (contentLength > 0) { // The content length is greater than 0.
+ // Format the content length as a string.
+ formattedFileSizeString = NumberFormat.getInstance().format(contentLength) + " " + getString(R.string.bytes);
+ } else { // The content length is not greater than 0.
+ // Set the formatted file size string to be `unknown size`.
+ formattedFileSizeString = getString(R.string.unknown_size);
+ }
+
+ // Get the file name from the content disposition.
+ String fileNameString = UrlHelper.getFileName(this, contentDisposition, mimetype, downloadUrl);
+
+ // Instantiate the save dialog.
+ DialogFragment saveDialogFragment = SaveDialog.saveUrl(downloadUrl, fileNameString, formattedFileSizeString, userAgent,
+ nestedScrollWebView.getAcceptCookies());
+
+ // Try to show the dialog. The download listener continues to function even when the WebView is paused. Attempting to display a dialog in that state leads to a crash.
+ try {
+ // Show the save dialog. It must be named `save_dialog` so that the file picker can update the file name.
+ saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_dialog));
+ } catch (Exception exception) { // The dialog could not be shown.
+ // Add the dialog to the pending dialog array list. It will be displayed in `onStart()`.
+ pendingDialogsArrayList.add(new PendingDialogDataClass(saveDialogFragment, getString(R.string.save_dialog)));
+ }
+ }
+ });
+
+ // 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);
+ }
+ }
+ });
+
+ // Process scroll changes.
+ nestedScrollWebView.setOnScrollChangeListener((view, scrollX, scrollY, oldScrollX, oldScrollY) -> {
+ // Set the swipe to refresh status.
+ if (nestedScrollWebView.getSwipeToRefresh()) {
+ // Only enable swipe to refresh if the WebView is scrolled to the top.
+ swipeRefreshLayout.setEnabled(nestedScrollWebView.getScrollY() == 0);
+ } else {
+ // Disable swipe to refresh.
+ swipeRefreshLayout.setEnabled(false);
+ }
+
+ // Reinforce the system UI visibility flags if in full screen browsing mode.
+ // This hides the status and navigation bars, which are displayed if other elements are shown, like dialog boxes, the options menu, or the keyboard.
+ if (inFullScreenBrowsingMode) {
+ /* Hide the system bars.
+ * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
+ * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar.
+ * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
+ * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown.
+ */
+ rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
+ View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
+ }
+ });
+
+ // Set the web chrome client.
+ nestedScrollWebView.setWebChromeClient(new WebChromeClient() {
+ // Update the progress bar when a page is loading.
+ @Override
+ public void onProgressChanged(WebView view, int progress) {
+ // 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);
+
+ // Make the current WebView visible. If this is a new tab, the current WebView would have been created invisible in `webview_framelayout` to prevent a white background splash in night mode.
+ nestedScrollWebView.setVisibility(View.VISIBLE);
+ }
+ }
+
+ // 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 and the new favorite icon height is greater than the current favorite icon height.
+ // This prevents low resolution icons from replacing high resolution one.
+ // The check for the visibility of the progress bar can possibly be removed once https://redmine.stoutner.com/issues/747 is fixed.
+ if ((progressBar.getVisibility() == View.GONE) && (icon.getHeight() > nestedScrollWebView.getFavoriteIconHeight())) {
+ // Store the new favorite icon.
+ nestedScrollWebView.setFavoriteIcon(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();
+
+ // Only populate the title text view if the tab view has been fully populated.
+ if (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) {
+ // Set the full screen video flag.
+ displayingFullScreenVideo = true;
+
+ // Hide the keyboard.
+ inputMethodManager.hideSoftInputFromWindow(nestedScrollWebView.getWindowToken(), 0);
+
+ // Hide the coordinator layout.
+ coordinatorLayout.setVisibility(View.GONE);
+
+ /* 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);
+
+ // Disable the screen timeout while the video is playing. YouTube does this automatically, but not all other videos do.
+ fullScreenVideoFrameLayout.setKeepScreenOn(true);
+ }
+
+ // Exit full screen video.
+ @Override
+ public void onHideCustomView() {
+ // Exit the full screen video.
+ exitFullScreenVideo();
+ }
+
+ // Upload files.
+ @Override
+ public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback, FileChooserParams fileChooserParams) {
+ // Store the file path callback.
+ fileChooserCallback = filePathCallback;
+
+ // Create an intent to open a chooser based on the file chooser parameters.
+ Intent fileChooserIntent = fileChooserParams.createIntent();
+
+ // Get a handle for the package manager.
+ PackageManager packageManager = getPackageManager();
+
+ // Check to see if the file chooser intent resolves to an installed package.
+ if (fileChooserIntent.resolveActivity(packageManager) != null) { // The file chooser intent is fine.
+ // Launch the file chooser intent.
+ browseFileUploadActivityResultLauncher.launch(fileChooserIntent);
+ } else { // The file chooser intent will cause a crash.
+ // Create a generic intent to open a chooser.
+ Intent genericFileChooserIntent = new Intent(Intent.ACTION_GET_CONTENT);
+
+ // Request an openable file.
+ genericFileChooserIntent.addCategory(Intent.CATEGORY_OPENABLE);
+
+ // Set the file type to everything.
+ genericFileChooserIntent.setType("*/*");
+
+ // Launch the generic file chooser intent.
+ browseFileUploadActivityResultLauncher.launch(genericFileChooserIntent);
+ }
+ 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);
+
+ // Handle the URL according to the type.
+ if (url.startsWith("http")) { // Load the URL in Privacy Browser.
+ // Load the URL. By using `loadUrl()`, instead of `loadUrlFromBase()`, the Referer header will never be sent.
+ loadUrl(nestedScrollWebView, url);
+
+ // Returning true indicates that Privacy Browser is manually handling the loading of the URL.
+ // Custom headers cannot be added if false is returned and the WebView handles the loading of the URL.
+ return true;
+ } 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);
+
+ try {
+ // Make it so.
+ startActivity(emailIntent);
+ } catch (ActivityNotFoundException exception) {
+ // Display a snackbar.
+ Snackbar.make(currentWebView, getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show();
+ }
+
+
+ // 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));
+
+ // Open the dialer in a new task instead of as part of Privacy Browser.
+ dialIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ try {
+ // Make it so.
+ startActivity(dialIntent);
+ } catch (ActivityNotFoundException exception) {
+ // Display a snackbar.
+ Snackbar.make(currentWebView, getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show();
+ }
+
+ // Returning true indicates Privacy Browser is handling the URL by creating an intent.
+ return true;
+ } else { // Load a system chooser to select an app that can handle the URL.
+ // Open an app that can handle the URL.
+ Intent genericIntent = new Intent(Intent.ACTION_VIEW);
+
+ // Add the URL to the intent.
+ genericIntent.setData(Uri.parse(url));
+
+ // List all apps that can handle the URL instead of just opening the first one.
+ genericIntent.addCategory(Intent.CATEGORY_BROWSABLE);
+
+ // Open the app in a new task instead of as part of Privacy Browser.
+ genericIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Start the app or display a snackbar if no app is available to handle the URL.
+ try {
+ startActivity(genericIntent);
+ } catch (ActivityNotFoundException exception) {
+ Snackbar.make(nestedScrollWebView, getString(R.string.unrecognized_url) + " " + url, Snackbar.LENGTH_SHORT).show();
+ }
+
+ // Returning true indicates Privacy Browser is handling the URL by creating an intent.
+ return true;
+ }
+ }
+
+ // Check requests against the block lists. The deprecated `shouldInterceptRequest()` must be used until minimum API >= 21.
+ @Override
+ public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest webResourceRequest) {
+ // Get the URL.
+ String url = webResourceRequest.getUrl().toString();
+
+ // Check to see if the resource request is for the main URL.
+ if (url.equals(nestedScrollWebView.getCurrentUrl())) {
+ // `return null` loads the resource request, which should never be blocked if it is the main URL.
+ return null;
+ }
+
+ // Wait until the blocklists have been populated. When Privacy Browser is being resumed after having the process killed in the background it will try to load the URLs immediately.
+ while (ultraPrivacy == null) {
+ // The wait must be synchronized, which only lets one thread run on it at a time, or `java.lang.IllegalMonitorStateException` is thrown.
+ synchronized (this) {
+ try {
+ // Check to see if the blocklists have been populated after 100 ms.
+ wait(100);
+ } catch (InterruptedException exception) {
+ // Do nothing.
+ }
+ }
+ }