+ // Set the X-Requested-With header.
+ switch (xRequestedWithHeaderInt) {
+ case DomainsDatabaseHelper.SYSTEM_DEFAULT:
+ if (defaultXRequestedWithHeader)
+ nestedScrollWebView.setXRequestedWithHeader();
+ else
+ nestedScrollWebView.resetXRequestedWithHeader();
+ break;
+
+ case DomainsDatabaseHelper.ENABLED:
+ nestedScrollWebView.setXRequestedWithHeader();
+ break;
+
+ case DomainsDatabaseHelper.DISABLED:
+ nestedScrollWebView.resetXRequestedWithHeader();
+ break;
+ }
+
+ // Apply the font size.
+ try { // Try the specified font size to see if it is valid.
+ if (fontSize == 0) { // Apply the default font size.
+ // Try to set the font size from the value in the app settings.
+ nestedScrollWebView.getSettings().setTextZoom(Integer.parseInt(defaultFontSizeString));
+ } else { // Apply the font size from domain settings.
+ nestedScrollWebView.getSettings().setTextZoom(fontSize);
+ }
+ } catch (Exception exception) { // The specified font size is invalid
+ // Set the font size to be 100%
+ nestedScrollWebView.getSettings().setTextZoom(100);
+ }
+
+ // 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);
+
+ // Update the swipe refresh layout.
+ if (defaultSwipeToRefresh) { // Swipe to refresh is enabled.
+ // Only enable the swipe refresh layout if the WebView is scrolled to the top. It is updated every time the scroll changes.
+ swipeRefreshLayout.setEnabled(currentWebView.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);
+
+ // 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;
+ }
+
+ // Check to see if WebView themes are supported.
+ if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) {
+ // 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 the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_OFF);
+ } else if (webViewTheme.equals(webViewThemeEntryValuesStringArray[2])) { // The dark theme is selected.
+ // Turn on the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_ON);
+ } 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 WebView theme according to the current system theme status.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) { // The system is in day mode.
+ // Turn off the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_OFF);
+ } else { // The system is in night mode.
+ // Turn on the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_ON);
+ }
+ }
+ break;
+
+ case DomainsDatabaseHelper.LIGHT_THEME:
+ // Turn off the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_OFF);
+ break;
+
+ case DomainsDatabaseHelper.DARK_THEME:
+ // Turn on the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_ON);
+ 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("javascript", false));
+ nestedScrollWebView.setAcceptCookies(sharedPreferences.getBoolean(getString(R.string.cookies_key), 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.setEasyListEnabled(sharedPreferences.getBoolean("easylist", true));
+ nestedScrollWebView.setEasyPrivacyEnabled(sharedPreferences.getBoolean("easyprivacy", true));
+ nestedScrollWebView.setFanboysAnnoyanceListEnabled(sharedPreferences.getBoolean("fanboys_annoyance_list", true));
+ nestedScrollWebView.setFanboysSocialBlockingListEnabled(sharedPreferences.getBoolean("fanboys_social_blocking_list", true));
+ nestedScrollWebView.setUltraListEnabled(sharedPreferences.getBoolean("ultralist", true));
+ nestedScrollWebView.setUltraPrivacyEnabled(sharedPreferences.getBoolean("ultraprivacy", true));
+ nestedScrollWebView.setBlockAllThirdPartyRequests(sharedPreferences.getBoolean("block_all_third_party_requests", 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 X-Requested-With header status in the nested scroll WebView.
+ if (defaultXRequestedWithHeader)
+ nestedScrollWebView.setXRequestedWithHeader();
+ else
+ nestedScrollWebView.resetXRequestedWithHeader();
+
+ // 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.
+ // 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("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]);
+ }
+
+ // Apply the WebView theme if supported by the installed WebView.
+ if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) {
+ // 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 the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_OFF);
+ } else if (webViewTheme.equals(webViewThemeEntryValuesStringArray[2])) { // The dark theme is selected.
+ // Turn on the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_ON);
+ } 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 WebView theme according to the current system theme status.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) { // The system is in day mode.
+ // Turn off the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_OFF);
+ } else { // The system is in night mode.
+ // Turn on the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_ON);
+ }
+ }
+ }
+
+ // 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, nestedScrollWebView.getXRequestedWithHeader());
+ }
+ }
+
+ 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 PendingDialog(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 PendingDialog(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);
+ }
+
+ // Check to see if I2P is installed.
+ try {
+ // Get the package manager.
+ PackageManager packageManager = getPackageManager();
+
+ // Check to see if I2P is in the list. 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 exception) { // I2P 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 PendingDialog(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 highlightUrlText() {
+ // 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://") || urlString.startsWith("content://")) { // This is a file or content URL.
+ // De-emphasize everything before the file name.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, urlString.lastIndexOf("/") + 1,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.
+ 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("open_intents_in_new_tab", 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("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)) {
+ // 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("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 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("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 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/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();
+ }
+ }
+
+ 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 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 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(NestedScrollWebView nestedScrollWebView, int pageNumber, ProgressBar progressBar, String url, Boolean restoringState) {
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Get the WebView theme.
+ String webViewTheme = sharedPreferences.getString("webview_theme", 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);
+
+ // Apply the WebView theme if supported by the installed WebView.
+ if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) {
+ // 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 the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_OFF);
+
+ // 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 the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_ON);
+ } 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 WebView theme according to the current system theme status.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) { // The system is in day mode.
+ // Turn off the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_OFF);
+
+ // 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 the WebView dark mode.
+ WebSettingsCompat.setForceDark(nestedScrollWebView.getSettings(), WebSettingsCompat.FORCE_DARK_ON);
+ }
+ }
+ }
+
+ // 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);
+ }
+ }
+ }