+ case StoragePermissionDialog.SAVE_IMAGE:
+ // Request the write external storage permission. The webpage image will be saved when it finishes.
+ ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, PERMISSION_SAVE_WEBPAGE_IMAGE_REQUEST_CODE);
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ @Override
+ public void onCloseStoragePermissionDialog(int requestType) {
+ switch (requestType) {
+ case StoragePermissionDialog.OPEN:
+ // Request the write external storage permission. The file will be opened when it finishes.
+ ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, PERMISSION_OPEN_REQUEST_CODE);
+ break;
+
+ case StoragePermissionDialog.SAVE_ARCHIVE:
+ // Request the write external storage permission. The webpage archive will be saved when it finishes.
+ ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, PERMISSION_SAVE_WEBPAGE_ARCHIVE_REQUEST_CODE);
+ break;
+
+ case StoragePermissionDialog.SAVE_IMAGE:
+ // Request the write external storage permission. The webpage image will be saved when it finishes.
+ ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, PERMISSION_SAVE_WEBPAGE_IMAGE_REQUEST_CODE);
+ break;
+ }
+ }
+
+ @Override
+ public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+ // Get a handle for the fragment manager.
+ FragmentManager fragmentManager = getSupportFragmentManager();
+
+ switch (requestCode) {
+ case PERMISSION_DOWNLOAD_FILE_REQUEST_CODE:
+ // Show the download file alert dialog. When the dialog closes, the correct command will be used based on the permission status.
+ DialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(downloadUrl, downloadContentDisposition, downloadContentLength);
+
+ // On API 23, displaying the fragment must be delayed or the app will crash.
+ if (Build.VERSION.SDK_INT == 23) {
+ new Handler().postDelayed(() -> downloadFileDialogFragment.show(fragmentManager, getString(R.string.download)), 500);
+ } else {
+ downloadFileDialogFragment.show(fragmentManager, getString(R.string.download));
+ }
+
+ // Reset the download variables.
+ downloadUrl = "";
+ downloadContentDisposition = "";
+ downloadContentLength = 0;
+ break;
+
+ case PERMISSION_DOWNLOAD_IMAGE_REQUEST_CODE:
+ // Show the download image alert dialog. When the dialog closes, the correct command will be used based on the permission status.
+ DialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(downloadImageUrl);
+
+ // On API 23, displaying the fragment must be delayed or the app will crash.
+ if (Build.VERSION.SDK_INT == 23) {
+ new Handler().postDelayed(() -> downloadImageDialogFragment.show(fragmentManager, getString(R.string.download)), 500);
+ } else {
+ downloadImageDialogFragment.show(fragmentManager, getString(R.string.download));
+ }
+
+ // Reset the image URL variable.
+ downloadImageUrl = "";
+ break;
+
+ case PERMISSION_OPEN_REQUEST_CODE:
+ // Check to see if the storage permission was granted. If the dialog was canceled the grant results will be empty.
+ if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) { // The storage permission was granted.
+ // Load the file.
+ currentWebView.loadUrl("file://" + openFilePath);
+ } else { // The storage permission was not granted.
+ // Display an error snackbar.
+ Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
+ }
+
+ // Reset the open file path.
+ openFilePath = "";
+ break;
+
+ case PERMISSION_SAVE_WEBPAGE_ARCHIVE_REQUEST_CODE:
+ // Check to see if the storage permission was granted. If the dialog was canceled the grant results will be empty.
+ if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) { // The storage permission was granted.
+ // Save the webpage archive.
+ currentWebView.saveWebArchive(saveWebpageFilePath);
+ } else { // The storage permission was not granted.
+ // Display an error snackbar.
+ Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
+ }
+
+ // Reset the save webpage file path.
+ saveWebpageFilePath = "";
+ break;
+
+ case PERMISSION_SAVE_WEBPAGE_IMAGE_REQUEST_CODE:
+ // Check to see if the storage permission was granted. If the dialog was canceled the grant results will be empty.
+ if ((grantResults.length > 0) && (grantResults[0] == PackageManager.PERMISSION_GRANTED)) { // The storage permission was granted.
+ // Save the webpage image.
+ new SaveWebpageImage(this, currentWebView).execute(saveWebpageFilePath);
+ } else { // The storage permission was not granted.
+ // Display an error snackbar.
+ Snackbar.make(currentWebView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
+ }
+
+ // Reset the save webpage file path.
+ saveWebpageFilePath = "";
+ break;
+ }
+ }
+
+ private void applyAppSettings() {
+ // Initialize the app if this is the first run. This is done here instead of in `onCreate()` to shorten the time that an unthemed background is displayed on app startup.
+ if (webViewDefaultUserAgent == null) {
+ initializeApp();
+ }
+
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Store the values from the shared preferences in variables.
+ incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
+ boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
+ sanitizeGoogleAnalytics = sharedPreferences.getBoolean("google_analytics", true);
+ sanitizeFacebookClickIds = sharedPreferences.getBoolean("facebook_click_ids", true);
+ sanitizeTwitterAmpRedirects = sharedPreferences.getBoolean("twitter_amp_redirects", true);
+ proxyMode = sharedPreferences.getString("proxy", getString(R.string.proxy_default_value));
+ fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
+ hideAppBar = sharedPreferences.getBoolean("hide_app_bar", true);
+ scrollAppBar = sharedPreferences.getBoolean("scroll_app_bar", true);
+
+ // Get the search string.
+ String searchString = sharedPreferences.getString("search", getString(R.string.search_default_value));
+
+ // Set the search string.
+ if (searchString.equals("Custom URL")) { // A custom search string is used.
+ searchURL = sharedPreferences.getString("search_custom_url", getString(R.string.search_custom_url_default_value));
+ } else { // A custom search string is not used.
+ searchURL = searchString;
+ }
+
+ // Get handles for the views that need to be modified.
+ FrameLayout rootFrameLayout = findViewById(R.id.root_framelayout);
+ AppBarLayout appBarLayout = findViewById(R.id.appbar_layout);
+ ActionBar actionBar = getSupportActionBar();
+ Toolbar toolbar = findViewById(R.id.toolbar);
+ LinearLayout findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout);
+ LinearLayout tabsLinearLayout = findViewById(R.id.tabs_linearlayout);
+ SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout);
+
+ // Remove the incorrect lint warning below that the action bar might be null.
+ assert actionBar != null;
+
+ // Apply the proxy.
+ applyProxy(false);
+
+ // Set Do Not Track status.
+ if (doNotTrackEnabled) {
+ customHeaders.put("DNT", "1");
+ } else {
+ customHeaders.remove("DNT");
+ }
+
+ // Get the current layout parameters. Using coordinator layout parameters allows the `setBehavior()` command and using app bar layout parameters allows the `setScrollFlags()` command.
+ CoordinatorLayout.LayoutParams swipeRefreshLayoutParams = (CoordinatorLayout.LayoutParams) swipeRefreshLayout.getLayoutParams();
+ AppBarLayout.LayoutParams toolbarLayoutParams = (AppBarLayout.LayoutParams) toolbar.getLayoutParams();
+ AppBarLayout.LayoutParams findOnPageLayoutParams = (AppBarLayout.LayoutParams) findOnPageLinearLayout.getLayoutParams();
+ AppBarLayout.LayoutParams tabsLayoutParams = (AppBarLayout.LayoutParams) tabsLinearLayout.getLayoutParams();
+
+ // Add the scrolling behavior to the layout parameters.
+ if (scrollAppBar) {
+ // Enable scrolling of the app bar.
+ swipeRefreshLayoutParams.setBehavior(new AppBarLayout.ScrollingViewBehavior());
+ toolbarLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP);
+ findOnPageLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP);
+ tabsLayoutParams.setScrollFlags(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL | AppBarLayout.LayoutParams.SCROLL_FLAG_ENTER_ALWAYS | AppBarLayout.LayoutParams.SCROLL_FLAG_SNAP);
+ } else {
+ // Disable scrolling of the app bar.
+ swipeRefreshLayoutParams.setBehavior(null);
+ toolbarLayoutParams.setScrollFlags(0);
+ findOnPageLayoutParams.setScrollFlags(0);
+ tabsLayoutParams.setScrollFlags(0);
+
+ // Expand the app bar if it is currently collapsed.
+ appBarLayout.setExpanded(true);
+ }
+
+ // Apply the modified layout parameters.
+ swipeRefreshLayout.setLayoutParams(swipeRefreshLayoutParams);
+ toolbar.setLayoutParams(toolbarLayoutParams);
+ findOnPageLinearLayout.setLayoutParams(findOnPageLayoutParams);
+ tabsLinearLayout.setLayoutParams(tabsLayoutParams);
+
+ // Set the app bar scrolling for each WebView.
+ for (int i = 0; i < webViewPagerAdapter.getCount(); i++) {
+ // Get the WebView tab fragment.
+ WebViewTabFragment webViewTabFragment = webViewPagerAdapter.getPageFragment(i);
+
+ // Get the fragment view.
+ View fragmentView = webViewTabFragment.getView();
+
+ // Only modify the WebViews if they exist.
+ if (fragmentView != null) {
+ // Get the nested scroll WebView from the tab fragment.
+ NestedScrollWebView nestedScrollWebView = fragmentView.findViewById(R.id.nestedscroll_webview);
+
+ // Set the app bar scrolling.
+ nestedScrollWebView.setNestedScrollingEnabled(scrollAppBar);
+ }
+ }
+
+ // Update the full screen browsing mode settings.
+ if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) { // Privacy Browser is currently in full screen browsing mode.
+ // Update the visibility of the app bar, which might have changed in the settings.
+ if (hideAppBar) {
+ // Hide the tab linear layout.
+ tabsLinearLayout.setVisibility(View.GONE);
+
+ // Hide the action bar.
+ actionBar.hide();
+ } else {
+ // Show the tab linear layout.
+ tabsLinearLayout.setVisibility(View.VISIBLE);
+
+ // Show the action bar.
+ actionBar.show();
+ }
+
+ // Hide the banner ad in the free flavor.
+ if (BuildConfig.FLAVOR.contentEquals("free")) {
+ AdHelper.hideAd(findViewById(R.id.adview));
+ }
+
+ // Remove the translucent status flag. This is necessary so the root frame layout can fill the entire screen.
+ getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+
+ /* Hide the system bars.
+ * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
+ * SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN makes the root frame layout fill the area that is normally reserved for the status bar.
+ * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
+ * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically re-hides them after they are shown.
+ */
+ rootFrameLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
+ View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
+ } else { // Privacy Browser is not in full screen browsing mode.
+ // Reset the full screen tracker, which could be true if Privacy Browser was in full screen mode before entering settings and full screen browsing was disabled.
+ inFullScreenBrowsingMode = false;
+
+ // Show the tab linear layout.
+ tabsLinearLayout.setVisibility(View.VISIBLE);
+
+ // Show the action bar.
+ actionBar.show();
+
+ // Show the banner ad in the free flavor.
+ if (BuildConfig.FLAVOR.contentEquals("free")) {
+ // Initialize the ads. If this isn't the first run, `loadAd()` will be automatically called instead.
+ AdHelper.initializeAds(findViewById(R.id.adview), getApplicationContext(), getSupportFragmentManager(), getString(R.string.google_app_id), getString(R.string.ad_unit_id));
+ }
+
+ // Remove the `SYSTEM_UI` flags from the root frame layout.
+ rootFrameLayout.setSystemUiVisibility(0);
+
+ // Add the translucent status flag.
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+ }
+ }
+
+ private void initializeApp() {
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Get the theme preference.
+ boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+
+ // Get a handle for the input method.
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+
+ // Remove the lint warning below that the input method manager might be null.
+ assert inputMethodManager != null;
+
+ // Initialize the foreground color spans for highlighting the URLs. We have to use the deprecated `getColor()` until API >= 23.
+ redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
+ initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
+ finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
+
+ // Get handles for the URL views.
+ EditText urlEditText = findViewById(R.id.url_edittext);
+
+ // Remove the formatting from the URL edit text when the user is editing the text.
+ urlEditText.setOnFocusChangeListener((View v, boolean hasFocus) -> {
+ if (hasFocus) { // The user is editing the URL text box.
+ // Remove the highlighting.
+ urlEditText.getText().removeSpan(redColorSpan);
+ urlEditText.getText().removeSpan(initialGrayColorSpan);
+ urlEditText.getText().removeSpan(finalGrayColorSpan);
+ } else { // The user has stopped editing the URL text box.
+ // Move to the beginning of the string.
+ urlEditText.setSelection(0);
+
+ // Reapply the highlighting.
+ highlightUrlText();
+ }
+ });
+
+ // Set the go button on the keyboard to load the URL in `urlTextBox`.
+ urlEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
+ // If the event is a key-down event on the `enter` button, load the URL.
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
+ // Load the URL into the mainWebView and consume the event.
+ loadUrlFromTextBox();
+
+ // If the enter key was pressed, consume the event.
+ return true;
+ } else {
+ // If any other key was pressed, do not consume the event.
+ return false;
+ }
+ });
+
+ // Create an Orbot status broadcast receiver.
+ orbotStatusBroadcastReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ // Store the content of the status message in `orbotStatus`.
+ orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
+
+ // If Privacy Browser is waiting on the proxy, load the website now that Orbot is connected.
+ if ((orbotStatus != null) && orbotStatus.equals("ON") && waitingForProxy) {
+ // Reset the waiting for proxy status.
+ waitingForProxy = false;
+
+ // Get a handle for the waiting for proxy dialog.
+ DialogFragment waitingForProxyDialogFragment = (DialogFragment) getSupportFragmentManager().findFragmentByTag(getString(R.string.waiting_for_proxy_dialog));
+
+ // Dismiss the waiting for proxy dialog if it is displayed.
+ if (waitingForProxyDialogFragment != null) {
+ waitingForProxyDialogFragment.dismiss();
+ }
+
+ // Reload existing URLs and load any URLs that are waiting for the proxy.
+ 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 process 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);
+
+ // Get the waiting for proxy URL string.
+ String waitingForProxyUrlString = nestedScrollWebView.getWaitingForProxyUrlString();
+
+ // Load the pending URL if it exists.
+ if (!waitingForProxyUrlString.isEmpty()) { // A URL is waiting to be loaded.
+ // Load the URL.
+ loadUrl(nestedScrollWebView, waitingForProxyUrlString);
+
+ // Reset the waiting for proxy URL string.
+ nestedScrollWebView.resetWaitingForProxyUrlString();
+ } else { // No URL is waiting to be loaded.
+ // Reload the existing URL.
+ nestedScrollWebView.reload();
+ }
+ }
+ }
+ }
+ }
+ };
+
+ // Register the Orbot status broadcast receiver on `this` context.
+ this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
+
+ // Get handles for views that need to be modified.
+ DrawerLayout drawerLayout = findViewById(R.id.drawerlayout);
+ NavigationView navigationView = findViewById(R.id.navigationview);
+ TabLayout tabLayout = findViewById(R.id.tablayout);
+ SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout);
+ ViewPager webViewPager = findViewById(R.id.webviewpager);
+ ListView bookmarksListView = findViewById(R.id.bookmarks_drawer_listview);
+ FloatingActionButton launchBookmarksActivityFab = findViewById(R.id.launch_bookmarks_activity_fab);
+ FloatingActionButton createBookmarkFolderFab = findViewById(R.id.create_bookmark_folder_fab);
+ FloatingActionButton createBookmarkFab = findViewById(R.id.create_bookmark_fab);
+ EditText findOnPageEditText = findViewById(R.id.find_on_page_edittext);
+
+ // Listen for touches on the navigation menu.
+ navigationView.setNavigationItemSelectedListener(this);
+
+ // Get handles for the navigation menu and the back and forward menu items. The menu is 0 based.
+ Menu navigationMenu = navigationView.getMenu();
+ MenuItem navigationBackMenuItem = navigationMenu.getItem(2);
+ MenuItem navigationForwardMenuItem = navigationMenu.getItem(3);
+ MenuItem navigationHistoryMenuItem = navigationMenu.getItem(4);
+ MenuItem navigationRequestsMenuItem = navigationMenu.getItem(6);
+
+ // Update the web view pager every time a tab is modified.
+ webViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
+ @Override
+ public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onPageSelected(int position) {
+ // Close the find on page bar if it is open.
+ closeFindOnPage(null);
+
+ // Set the current WebView.
+ setCurrentWebView(position);
+
+ // Select the corresponding tab if it does not match the currently selected page. This will happen if the page was scrolled via swiping in the view pager or by creating a new tab.
+ if (tabLayout.getSelectedTabPosition() != position) {
+ // Create a handler to select the tab.
+ Handler selectTabHandler = new Handler();
+
+ // Create a runnable to select the tab.
+ Runnable selectTabRunnable = () -> {
+ // Get a handle for the tab.
+ TabLayout.Tab tab = tabLayout.getTabAt(position);
+
+ // Assert that the tab is not null.
+ assert tab != null;
+
+ // Select the tab.
+ tab.select();
+ };
+
+ // Select the tab layout after 150 milliseconds, which leaves enough time for a new tab to be inflated.
+ selectTabHandler.postDelayed(selectTabRunnable, 150);
+ }
+ }
+
+ @Override
+ public void onPageScrollStateChanged(int state) {
+ // Do nothing.
+ }
+ });
+
+ // Display the View SSL Certificate dialog when the currently selected tab is reselected.
+ tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
+ @Override
+ public void onTabSelected(TabLayout.Tab tab) {
+ // Select the same page in the view pager.
+ webViewPager.setCurrentItem(tab.getPosition());
+ }
+
+ @Override
+ public void onTabUnselected(TabLayout.Tab tab) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onTabReselected(TabLayout.Tab tab) {
+ // Instantiate the View SSL Certificate dialog.
+ DialogFragment viewSslCertificateDialogFragment = ViewSslCertificateDialog.displayDialog(currentWebView.getWebViewFragmentId());
+
+ // Display the View SSL Certificate dialog.
+ viewSslCertificateDialogFragment.show(getSupportFragmentManager(), getString(R.string.view_ssl_certificate));
+ }
+ });
+
+ // Set the bookmarks drawer resources according to the theme. This can't be done in the layout due to compatibility issues with the `DrawerLayout` support widget.
+ // The deprecated `getResources().getDrawable()` must be used until the minimum API >= 21 and and `getResources().getColor()` must be used until the minimum API >= 23.
+ if (darkTheme) {
+ launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_dark));
+ createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_dark));
+ createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_dark));
+ bookmarksListView.setBackgroundColor(getResources().getColor(R.color.gray_850));
+ } else {
+ launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_light));
+ createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_light));
+ createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_light));
+ bookmarksListView.setBackgroundColor(getResources().getColor(R.color.white));
+ }
+
+ // Set the launch bookmarks activity FAB to launch the bookmarks activity.
+ launchBookmarksActivityFab.setOnClickListener(v -> {
+ // Get a copy of the favorite icon bitmap.
+ Bitmap favoriteIconBitmap = currentWebView.getFavoriteOrDefaultIcon();
+
+ // Create a favorite icon byte array output stream.
+ ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
+
+ // Convert the favorite icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
+ favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
+
+ // Convert the favorite icon byte array stream to a byte array.
+ byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
+
+ // Create an intent to launch the bookmarks activity.
+ Intent bookmarksIntent = new Intent(getApplicationContext(), BookmarksActivity.class);
+
+ // Add the extra information to the intent.
+ bookmarksIntent.putExtra("current_url", currentWebView.getUrl());
+ bookmarksIntent.putExtra("current_title", currentWebView.getTitle());
+ bookmarksIntent.putExtra("current_folder", currentBookmarksFolder);
+ bookmarksIntent.putExtra("favorite_icon_byte_array", favoriteIconByteArray);
+
+ // Make it so.
+ startActivity(bookmarksIntent);
+ });
+
+ // Set the create new bookmark folder FAB to display an alert dialog.
+ createBookmarkFolderFab.setOnClickListener(v -> {
+ // Create a create bookmark folder dialog.
+ DialogFragment createBookmarkFolderDialog = CreateBookmarkFolderDialog.createBookmarkFolder(currentWebView.getFavoriteOrDefaultIcon());
+
+ // Show the create bookmark folder dialog.
+ createBookmarkFolderDialog.show(getSupportFragmentManager(), getString(R.string.create_folder));
+ });
+
+ // Set the create new bookmark FAB to display an alert dialog.
+ createBookmarkFab.setOnClickListener(view -> {
+ // Instantiate the create bookmark dialog.
+ DialogFragment createBookmarkDialog = CreateBookmarkDialog.createBookmark(currentWebView.getUrl(), currentWebView.getTitle(), currentWebView.getFavoriteOrDefaultIcon());
+
+ // Display the create bookmark dialog.
+ createBookmarkDialog.show(getSupportFragmentManager(), getString(R.string.create_bookmark));
+ });
+
+ // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
+ findOnPageEditText.addTextChangedListener(new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ // Do nothing.
+ }
+
+ @Override
+ public void afterTextChanged(Editable s) {
+ // Search for the text in the WebView if it is not null. Sometimes on resume after a period of non-use the WebView will be null.
+ if (currentWebView != null) {
+ currentWebView.findAllAsync(findOnPageEditText.getText().toString());
+ }
+ }
+ });
+
+ // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
+ findOnPageEditText.setOnKeyListener((v, keyCode, event) -> {
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
+ // Hide the soft keyboard.
+ inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0);
+
+ // Consume the event.
+ return true;
+ } else { // A different key was pressed.
+ // Do not consume the event.
+ return false;
+ }
+ });
+
+ // Implement swipe to refresh.
+ swipeRefreshLayout.setOnRefreshListener(() -> currentWebView.reload());
+
+ // Store the default progress view offsets for use later in `initializeWebView()`.
+ defaultProgressViewStartOffset = swipeRefreshLayout.getProgressViewStartOffset();
+ defaultProgressViewEndOffset = swipeRefreshLayout.getProgressViewEndOffset();
+
+ // Set the swipe to refresh color according to the theme.
+ if (darkTheme) {
+ swipeRefreshLayout.setColorSchemeResources(R.color.blue_800);
+ swipeRefreshLayout.setProgressBackgroundColorSchemeResource(R.color.gray_850);
+ } else {
+ swipeRefreshLayout.setColorSchemeResources(R.color.blue_500);
+ }
+
+ // `DrawerTitle` identifies the `DrawerLayouts` in accessibility mode.
+ drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
+ drawerLayout.setDrawerTitle(GravityCompat.END, getString(R.string.bookmarks));
+
+ // Initialize the bookmarks database helper. The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
+ bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
+
+ // Initialize `currentBookmarksFolder`. `""` is the home folder in the database.
+ currentBookmarksFolder = "";
+
+ // Load the home folder, which is `""` in the database.
+ loadBookmarksFolder();
+
+ bookmarksListView.setOnItemClickListener((parent, view, position, id) -> {
+ // Convert the id from long to int to match the format of the bookmarks database.
+ int databaseId = (int) id;
+
+ // Get the bookmark cursor for this ID.
+ Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmark(databaseId);
+
+ // Move the bookmark cursor to the first row.
+ bookmarkCursor.moveToFirst();
+
+ // Act upon the bookmark according to the type.
+ if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) { // The selected bookmark is a folder.
+ // Store the new folder name in `currentBookmarksFolder`.
+ currentBookmarksFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
+
+ // Load the new folder.
+ loadBookmarksFolder();
+ } else { // The selected bookmark is not a folder.
+ // Load the bookmark URL.
+ loadUrl(currentWebView, bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
+
+ // Close the bookmarks drawer.
+ drawerLayout.closeDrawer(GravityCompat.END);
+ }
+
+ // Close the `Cursor`.
+ bookmarkCursor.close();
+ });
+
+ bookmarksListView.setOnItemLongClickListener((parent, view, position, id) -> {
+ // Convert the database ID from `long` to `int`.
+ int databaseId = (int) id;
+
+ // Find out if the selected bookmark is a folder.
+ boolean isFolder = bookmarksDatabaseHelper.isFolder(databaseId);
+
+ if (isFolder) {
+ // Save the current folder name, which is used in `onSaveEditBookmarkFolder()`.
+ oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
+
+ // Instantiate the edit folder bookmark dialog.
+ DialogFragment editBookmarkFolderDialog = EditBookmarkFolderDialog.folderDatabaseId(databaseId, currentWebView.getFavoriteOrDefaultIcon());
+
+ // Show the edit folder bookmark dialog.
+ editBookmarkFolderDialog.show(getSupportFragmentManager(), getString(R.string.edit_folder));
+ } else {
+ // Get the bookmark cursor for this ID.
+ Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmark(databaseId);
+
+ // Move the bookmark cursor to the first row.
+ bookmarkCursor.moveToFirst();
+
+ // Load the bookmark in a new tab but do not switch to the tab or close the drawer.
+ addNewTab(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)), false);
+ }
+
+ // Consume the event.
+ return true;
+ });
+
+ // Get the status bar pixel size.
+ int statusBarResourceId = getResources().getIdentifier("status_bar_height", "dimen", "android");
+ int statusBarPixelSize = getResources().getDimensionPixelSize(statusBarResourceId);
+
+ // Get the resource density.
+ float screenDensity = getResources().getDisplayMetrics().density;
+
+ // Calculate the drawer header padding. This is used to move the text in the drawer headers below any cutouts.
+ drawerHeaderPaddingLeftAndRight = (int) (15 * screenDensity);
+ drawerHeaderPaddingTop = statusBarPixelSize + (int) (4 * screenDensity);
+ drawerHeaderPaddingBottom = (int) (8 * screenDensity);
+
+ // The drawer listener is used to update the navigation menu.
+ drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
+ @Override
+ public void onDrawerSlide(@NonNull View drawerView, float slideOffset) {
+ }
+
+ @Override
+ public void onDrawerOpened(@NonNull View drawerView) {
+ }
+
+ @Override
+ public void onDrawerClosed(@NonNull View drawerView) {
+ }
+
+ @Override
+ public void onDrawerStateChanged(int newState) {
+ if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // A drawer is opening or closing.
+ // Get handles for the drawer headers.
+ TextView navigationHeaderTextView = findViewById(R.id.navigationText);
+ TextView bookmarksHeaderTextView = findViewById(R.id.bookmarks_title_textview);
+
+ // Apply the navigation header paddings if the view is not null (sometimes it is null if another activity has already started). This moves the text in the header below any cutouts.
+ if (navigationHeaderTextView != null) {
+ navigationHeaderTextView.setPadding(drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingTop, drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingBottom);
+ }
+
+ // Apply the bookmarks header paddings if the view is not null (sometimes it is null if another activity has already started). This moves the text in the header below any cutouts.
+ if (bookmarksHeaderTextView != null) {
+ bookmarksHeaderTextView.setPadding(drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingTop, drawerHeaderPaddingLeftAndRight, drawerHeaderPaddingBottom);
+ }
+
+ // Update the navigation menu items if the WebView is not null.
+ if (currentWebView != null) {
+ navigationBackMenuItem.setEnabled(currentWebView.canGoBack());
+ navigationForwardMenuItem.setEnabled(currentWebView.canGoForward());
+ navigationHistoryMenuItem.setEnabled((currentWebView.canGoBack() || currentWebView.canGoForward()));
+ navigationRequestsMenuItem.setTitle(getString(R.string.requests) + " - " + currentWebView.getRequestsCount(NestedScrollWebView.BLOCKED_REQUESTS));
+
+ // Hide the keyboard (if displayed).
+ inputMethodManager.hideSoftInputFromWindow(currentWebView.getWindowToken(), 0);
+ }
+
+ // Clear the focus from from the URL text box and the WebView. This removes any text selection markers and context menus, which otherwise draw above the open drawers.
+ urlEditText.clearFocus();
+ currentWebView.clearFocus();
+ }
+ }
+ });
+
+ // Replace the header that `WebView` creates for `X-Requested-With` with a null value. The default value is the application ID (com.stoutner.privacybrowser.standard).
+ customHeaders.put("X-Requested-With", "");
+
+ // Inflate a bare WebView to get the default user agent. It is not used to render content on the screen.
+ @SuppressLint("InflateParams") View webViewLayout = getLayoutInflater().inflate(R.layout.bare_webview, null, false);
+
+ // Get a handle for the WebView.
+ WebView bareWebView = webViewLayout.findViewById(R.id.bare_webview);
+
+ // Store the default user agent.
+ webViewDefaultUserAgent = bareWebView.getSettings().getUserAgentString();
+
+ // Destroy the bare WebView.
+ bareWebView.destroy();
+ }
+
+ @Override
+ public void navigateHistory(String url, int steps) {
+ // Apply the domain settings.
+ applyDomainSettings(currentWebView, url, false, false);
+
+ // Load the history entry.
+ currentWebView.goBackOrForward(steps);
+ }