+ // Create an alternate file manager intent.
+ Intent alternateFileManagerIntent = new Intent(Intent.ACTION_VIEW);
+
+ // Open the download directory.
+ alternateFileManagerIntent.setDataAndType(Uri.parse(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).toString()), "resource/folder");
+
+ // Launch as a new task so that the file manager and Privacy Browser show as separate windows in the recent tasks list.
+ alternateFileManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Open the alternate file manager.
+ startActivity(alternateFileManagerIntent);
+ } catch (Exception alternateFileManagerException) {
+ // Display a snackbar.
+ Snackbar.make(currentWebView, R.string.no_file_manager_detected, Snackbar.LENGTH_INDEFINITE).show();
+ }
+ }
+ }
+ } else if (menuItemId == R.id.domains) { // Domains.
+ // Set the flag to reapply the domain settings on restart when returning from Domain Settings.
+ reapplyDomainSettingsOnRestart = true;
+
+ // Launch the domains activity.
+ Intent domainsIntent = new Intent(this, DomainsActivity.class);
+
+ // Add the extra information to the intent.
+ domainsIntent.putExtra(DomainsActivity.CURRENT_URL, currentWebView.getUrl());
+ domainsIntent.putExtra(DomainsActivity.CURRENT_IP_ADDRESSES, currentWebView.getCurrentIpAddresses());
+
+ // Get the current certificate.
+ SslCertificate sslCertificate = currentWebView.getCertificate();
+
+ // Check to see if the SSL certificate is populated.
+ if (sslCertificate != null) {
+ // Extract the certificate to strings.
+ String issuedToCName = sslCertificate.getIssuedTo().getCName();
+ String issuedToOName = sslCertificate.getIssuedTo().getOName();
+ String issuedToUName = sslCertificate.getIssuedTo().getUName();
+ String issuedByCName = sslCertificate.getIssuedBy().getCName();
+ String issuedByOName = sslCertificate.getIssuedBy().getOName();
+ String issuedByUName = sslCertificate.getIssuedBy().getUName();
+ long startDateLong = sslCertificate.getValidNotBeforeDate().getTime();
+ long endDateLong = sslCertificate.getValidNotAfterDate().getTime();
+
+ // Add the certificate to the intent.
+ domainsIntent.putExtra("ssl_issued_to_cname", issuedToCName);
+ domainsIntent.putExtra("ssl_issued_to_oname", issuedToOName);
+ domainsIntent.putExtra("ssl_issued_to_uname", issuedToUName);
+ domainsIntent.putExtra("ssl_issued_by_cname", issuedByCName);
+ domainsIntent.putExtra("ssl_issued_by_oname", issuedByOName);
+ domainsIntent.putExtra("ssl_issued_by_uname", issuedByUName);
+ domainsIntent.putExtra("ssl_start_date", startDateLong);
+ domainsIntent.putExtra("ssl_end_date", endDateLong);
+ }
+
+ // Make it so.
+ startActivity(domainsIntent);
+ } else if (menuItemId == R.id.settings) { // Settings.
+ // Set the flag to reapply app settings on restart when returning from Settings.
+ reapplyAppSettingsOnRestart = true;
+
+ // Set the flag to reapply the domain settings on restart when returning from Settings.
+ reapplyDomainSettingsOnRestart = true;
+
+ // Launch the settings activity.
+ Intent settingsIntent = new Intent(this, SettingsActivity.class);
+ startActivity(settingsIntent);
+ } else if (menuItemId == R.id.import_export) { // Import/Export.
+ // Create an intent to launch the import/export activity.
+ Intent importExportIntent = new Intent(this, ImportExportActivity.class);
+
+ // Make it so.
+ startActivity(importExportIntent);
+ } else if (menuItemId == R.id.logcat) { // Logcat.
+ // Create an intent to launch the logcat activity.
+ Intent logcatIntent = new Intent(this, LogcatActivity.class);
+
+ // Make it so.
+ startActivity(logcatIntent);
+ } else if (menuItemId == R.id.webview_devtools) { // WebView Dev.
+ // Create a WebView DevTools intent.
+ Intent webViewDevToolsIntent = new Intent("com.android.webview.SHOW_DEV_UI");
+
+ // Launch as a new task so that the WebView DevTools and Privacy Browser show as a separate windows in the recent tasks list.
+ webViewDevToolsIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Make it so.
+ startActivity(webViewDevToolsIntent);
+ } else if (menuItemId == R.id.guide) { // Guide.
+ // Create an intent to launch the guide activity.
+ Intent guideIntent = new Intent(this, GuideActivity.class);
+
+ // Make it so.
+ startActivity(guideIntent);
+ } else if (menuItemId == R.id.about) { // About
+ // Create an intent to launch the about activity.
+ Intent aboutIntent = new Intent(this, AboutActivity.class);
+
+ // Create a string array for the blocklist versions.
+ String[] blocklistVersions = new String[]{easyList.get(0).get(0)[0], easyPrivacy.get(0).get(0)[0], fanboysAnnoyanceList.get(0).get(0)[0], fanboysSocialList.get(0).get(0)[0],
+ ultraList.get(0).get(0)[0], ultraPrivacy.get(0).get(0)[0]};
+
+ // Add the blocklist versions to the intent.
+ aboutIntent.putExtra(AboutActivity.BLOCKLIST_VERSIONS, blocklistVersions);
+
+ // Make it so.
+ startActivity(aboutIntent);
+ }
+
+ // Close the navigation drawer.
+ drawerLayout.closeDrawer(GravityCompat.START);
+ return true;
+ }
+
+ @Override
+ public void onPostCreate(Bundle savedInstanceState) {
+ // Run the default commands.
+ super.onPostCreate(savedInstanceState);
+
+ // Sync the state of the DrawerToggle after the default `onRestoreInstanceState()` has finished. This creates the navigation drawer icon.
+ actionBarDrawerToggle.syncState();
+ }
+
+ @Override
+ public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
+ // Get the hit test result.
+ final WebView.HitTestResult hitTestResult = currentWebView.getHitTestResult();
+
+ // Define the URL strings.
+ final String imageUrl;
+ final String linkUrl;
+
+ // Get handles for the system managers.
+ final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
+
+ // Remove the lint errors below that the clipboard manager might be null.
+ assert clipboardManager != null;
+
+ // Process the link according to the type.
+ switch (hitTestResult.getType()) {
+ // `SRC_ANCHOR_TYPE` is a link.
+ case WebView.HitTestResult.SRC_ANCHOR_TYPE:
+ // Get the target URL.
+ linkUrl = hitTestResult.getExtra();
+
+ // Set the target URL as the title of the `ContextMenu`.
+ menu.setHeaderTitle(linkUrl);
+
+ // Add an Open in New Tab entry.
+ menu.add(R.string.open_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> {
+ // Load the link URL in a new tab and move to it.
+ addNewTab(linkUrl, true);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open in Background entry.
+ menu.add(R.string.open_in_background).setOnMenuItemClickListener((MenuItem item) -> {
+ // Load the link URL in a new tab but do not move to it.
+ addNewTab(linkUrl, false);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open with App entry.
+ menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> {
+ openWithApp(linkUrl);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open with Browser entry.
+ menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> {
+ openWithBrowser(linkUrl);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a Copy URL entry.
+ menu.add(R.string.copy_url).setOnMenuItemClickListener((MenuItem item) -> {
+ // Save the link URL in a `ClipData`.
+ ClipData srcAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), linkUrl);
+
+ // Set the `ClipData` as the clipboard's primary clip.
+ clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a Save URL entry.
+ menu.add(R.string.save_url).setOnMenuItemClickListener((MenuItem item) -> {
+ // Check the download preference.
+ if (downloadWithExternalApp) { // Download with an external app.
+ downloadUrlWithExternalApp(linkUrl);
+ } else { // Handle the download inside of Privacy Browser.
+ // Prepare the save dialog. The dialog will be displayed once the file size and the content disposition have been acquired.
+ PrepareSaveDialogCoroutine.prepareSaveDialog(this, getSupportFragmentManager(), linkUrl, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptCookies());
+ }
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an empty Cancel entry, which by default closes the context menu.
+ menu.add(R.string.cancel);
+ break;
+
+ // `IMAGE_TYPE` is an image.
+ case WebView.HitTestResult.IMAGE_TYPE:
+ // Get the image URL.
+ imageUrl = hitTestResult.getExtra();
+
+ // Remove the incorrect lint warning below that the image URL might be null.
+ assert imageUrl != null;
+
+ // Set the context menu title.
+ if (imageUrl.startsWith("data:")) { // The image data is contained in within the URL, making it exceedingly long.
+ // Truncate the image URL before making it the title.
+ menu.setHeaderTitle(imageUrl.substring(0, 100));
+ } else { // The image URL does not contain the full image data.
+ // Set the image URL as the title of the context menu.
+ menu.setHeaderTitle(imageUrl);
+ }
+
+ // Add an Open in New Tab entry.
+ menu.add(R.string.open_image_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> {
+ // Load the image in a new tab.
+ addNewTab(imageUrl, true);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open with App entry.
+ menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> {
+ // Open the image URL with an external app.
+ openWithApp(imageUrl);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open with Browser entry.
+ menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> {
+ // Open the image URL with an external browser.
+ openWithBrowser(imageUrl);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a View Image entry.
+ menu.add(R.string.view_image).setOnMenuItemClickListener(item -> {
+ // Load the image in the current tab.
+ loadUrl(currentWebView, imageUrl);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a Save Image entry.
+ menu.add(R.string.save_image).setOnMenuItemClickListener((MenuItem item) -> {
+ // Check the download preference.
+ if (downloadWithExternalApp) { // Download with an external app.
+ downloadUrlWithExternalApp(imageUrl);
+ } else { // Handle the download inside of Privacy Browser.
+ // Prepare the save dialog. The dialog will be displayed once the file size and the content disposition have been acquired.
+ PrepareSaveDialogCoroutine.prepareSaveDialog(this, getSupportFragmentManager(), imageUrl, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptCookies());
+ }
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a Copy URL entry.
+ menu.add(R.string.copy_url).setOnMenuItemClickListener((MenuItem item) -> {
+ // Save the image URL in a clip data.
+ ClipData imageTypeClipData = ClipData.newPlainText(getString(R.string.url), imageUrl);
+
+ // Set the clip data as the clipboard's primary clip.
+ clipboardManager.setPrimaryClip(imageTypeClipData);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an empty Cancel entry, which by default closes the context menu.
+ menu.add(R.string.cancel);
+ break;
+
+ // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
+ case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
+ // Get the image URL.
+ imageUrl = hitTestResult.getExtra();
+
+ // Instantiate a handler.
+ Handler handler = new Handler();
+
+ // Get a message from the handler.
+ Message message = handler.obtainMessage();
+
+ // Request the image details from the last touched node be returned in the message.
+ currentWebView.requestFocusNodeHref(message);
+
+ // Get the link URL from the message data.
+ linkUrl = message.getData().getString("url");
+
+ // Set the link URL as the title of the context menu.
+ menu.setHeaderTitle(linkUrl);
+
+ // Add an Open in New Tab entry.
+ menu.add(R.string.open_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> {
+ // Load the link URL in a new tab and move to it.
+ addNewTab(linkUrl, true);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open in Background entry.
+ menu.add(R.string.open_in_background).setOnMenuItemClickListener((MenuItem item) -> {
+ // Lod the link URL in a new tab but do not move to it.
+ addNewTab(linkUrl, false);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open Image in New Tab entry.
+ menu.add(R.string.open_image_in_new_tab).setOnMenuItemClickListener((MenuItem item) -> {
+ // Load the image in a new tab and move to it.
+ addNewTab(imageUrl, true);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open with App entry.
+ menu.add(R.string.open_with_app).setOnMenuItemClickListener((MenuItem item) -> {
+ // Open the link URL with an external app.
+ openWithApp(linkUrl);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an Open with Browser entry.
+ menu.add(R.string.open_with_browser).setOnMenuItemClickListener((MenuItem item) -> {
+ // Open the link URL with an external browser.
+ openWithBrowser(linkUrl);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a View Image entry.
+ menu.add(R.string.view_image).setOnMenuItemClickListener((MenuItem item) -> {
+ // View the image in the current tab.
+ loadUrl(currentWebView, imageUrl);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a Save Image entry.
+ menu.add(R.string.save_image).setOnMenuItemClickListener((MenuItem item) -> {
+ // Check the download preference.
+ if (downloadWithExternalApp) { // Download with an external app.
+ downloadUrlWithExternalApp(imageUrl);
+ } else { // Handle the download inside of Privacy Browser.
+ // Prepare the save dialog. The dialog will be displayed once the file size and the content disposition have been acquired.
+ PrepareSaveDialogCoroutine.prepareSaveDialog(this, getSupportFragmentManager(), imageUrl, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptCookies());
+ }
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a Copy URL entry.
+ menu.add(R.string.copy_url).setOnMenuItemClickListener((MenuItem item) -> {
+ // Save the link URL in a clip data.
+ ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), linkUrl);
+
+ // Set the clip data as the clipboard's primary clip.
+ clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a Save URL entry.
+ menu.add(R.string.save_url).setOnMenuItemClickListener((MenuItem item) -> {
+ // Check the download preference.
+ if (downloadWithExternalApp) { // Download with an external app.
+ downloadUrlWithExternalApp(linkUrl);
+ } else { // Handle the download inside of Privacy Browser.
+ // Prepare the save dialog. The dialog will be displayed once the file size and the content disposition have been acquired.
+ PrepareSaveDialogCoroutine.prepareSaveDialog(this, getSupportFragmentManager(), linkUrl, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptCookies());
+ }
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an empty Cancel entry, which by default closes the context menu.
+ menu.add(R.string.cancel);
+ break;
+
+ case WebView.HitTestResult.EMAIL_TYPE:
+ // Get the target URL.
+ linkUrl = hitTestResult.getExtra();
+
+ // Set the target URL as the title of the `ContextMenu`.
+ menu.setHeaderTitle(linkUrl);
+
+ // Add a Write Email entry.
+ menu.add(R.string.write_email).setOnMenuItemClickListener(item -> {
+ // 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("mailto:" + linkUrl));
+
+ // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead 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();
+ }
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add a Copy Email Address entry.
+ menu.add(R.string.copy_email_address).setOnMenuItemClickListener(item -> {
+ // Save the email address in a `ClipData`.
+ ClipData srcEmailTypeClipData = ClipData.newPlainText(getString(R.string.email_address), linkUrl);
+
+ // Set the `ClipData` as the clipboard's primary clip.
+ clipboardManager.setPrimaryClip(srcEmailTypeClipData);
+
+ // Consume the event.
+ return true;
+ });
+
+ // Add an empty Cancel entry, which by default closes the context menu.
+ menu.add(R.string.cancel);
+ break;
+ }
+ }
+
+ @Override
+ public void onCreateBookmark(DialogFragment dialogFragment, Bitmap favoriteIconBitmap) {
+ // Get a handle for the bookmarks list view.
+ ListView bookmarksListView = findViewById(R.id.bookmarks_drawer_listview);
+
+ // Get the dialog.
+ Dialog dialog = dialogFragment.getDialog();
+
+ // Remove the incorrect lint warning below that the dialog might be null.
+ assert dialog != null;
+
+ // Get the views from the dialog fragment.
+ EditText createBookmarkNameEditText = dialog.findViewById(R.id.create_bookmark_name_edittext);
+ EditText createBookmarkUrlEditText = dialog.findViewById(R.id.create_bookmark_url_edittext);
+
+ // Extract the strings from the edit texts.
+ String bookmarkNameString = createBookmarkNameEditText.getText().toString();
+ String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
+
+ // 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();
+
+ // Display the new bookmark below the current items in the (0 indexed) list.
+ int newBookmarkDisplayOrder = bookmarksListView.getCount();
+
+ // Create the bookmark.
+ bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, currentBookmarksFolder, newBookmarkDisplayOrder, favoriteIconByteArray);
+
+ // Update the bookmarks cursor with the current contents of this folder.
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder);
+
+ // Update the list view.
+ bookmarksCursorAdapter.changeCursor(bookmarksCursor);
+
+ // Scroll to the new bookmark.
+ bookmarksListView.setSelection(newBookmarkDisplayOrder);
+ }
+
+ @Override
+ public void onCreateBookmarkFolder(DialogFragment dialogFragment, @NonNull Bitmap favoriteIconBitmap) {
+ // Get a handle for the bookmarks list view.
+ ListView bookmarksListView = findViewById(R.id.bookmarks_drawer_listview);
+
+ // Get the dialog.
+ Dialog dialog = dialogFragment.getDialog();
+
+ // Remove the incorrect lint warning below that the dialog might be null.
+ assert dialog != null;
+
+ // Get handles for the views in the dialog fragment.
+ EditText folderNameEditText = dialog.findViewById(R.id.folder_name_edittext);
+ RadioButton defaultIconRadioButton = dialog.findViewById(R.id.default_icon_radiobutton);
+ ImageView defaultIconImageView = dialog.findViewById(R.id.default_icon_imageview);
+
+ // Get new folder name string.
+ String folderNameString = folderNameEditText.getText().toString();
+
+ // Create a folder icon bitmap.
+ Bitmap folderIconBitmap;
+
+ // Set the folder icon bitmap according to the dialog.
+ if (defaultIconRadioButton.isChecked()) { // Use the default folder icon.
+ // Get the default folder icon drawable.
+ Drawable folderIconDrawable = defaultIconImageView.getDrawable();
+
+ // Convert the folder icon drawable to a bitmap drawable.
+ BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
+
+ // Convert the folder icon bitmap drawable to a bitmap.
+ folderIconBitmap = folderIconBitmapDrawable.getBitmap();
+ } else { // Use the WebView favorite icon.
+ // Copy the favorite icon bitmap to the folder icon bitmap.
+ folderIconBitmap = favoriteIconBitmap;
+ }
+
+ // Create a folder icon byte array output stream.
+ ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
+
+ // Convert the folder icon bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
+ folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
+
+ // Convert the folder icon byte array stream to a byte array.
+ byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
+
+ // Move all the bookmarks down one in the display order.
+ for (int i = 0; i < bookmarksListView.getCount(); i++) {
+ int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
+ bookmarksDatabaseHelper.updateDisplayOrder(databaseId, i + 1);
+ }
+
+ // Create the folder, which will be placed at the top of the `ListView`.
+ bookmarksDatabaseHelper.createFolder(folderNameString, currentBookmarksFolder, folderIconByteArray);
+
+ // Update the bookmarks cursor with the current contents of this folder.
+ bookmarksCursor = bookmarksDatabaseHelper.getBookmarksByDisplayOrder(currentBookmarksFolder);
+
+ // Update the list view.
+ bookmarksCursorAdapter.changeCursor(bookmarksCursor);
+
+ // Scroll to the new folder.
+ bookmarksListView.setSelection(0);
+ }
+
+ private void loadUrlFromTextBox() {
+ // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
+ String unformattedUrlString = urlEditText.getText().toString().trim();
+
+ // Initialize the formatted URL string.
+ String url = "";
+
+ // Check to see if the unformatted URL string is a valid URL. Otherwise, convert it into a search.
+ if (unformattedUrlString.startsWith("content://")) { // This is a Content URL.
+ // Load the entire content URL.
+ url = unformattedUrlString;
+ } else if (Patterns.WEB_URL.matcher(unformattedUrlString).matches() || unformattedUrlString.startsWith("http://") || unformattedUrlString.startsWith("https://") ||
+ unformattedUrlString.startsWith("file://")) { // This is a standard URL.
+ // Add `https://` at the beginning if there is no protocol. Otherwise the app will segfault.
+ if (!unformattedUrlString.startsWith("http") && !unformattedUrlString.startsWith("file://")) {
+ unformattedUrlString = "https://" + unformattedUrlString;
+ }
+
+ // Initialize the unformatted URL.
+ URL unformattedUrl = null;
+
+ // Convert the unformatted URL string to a URL, then to a URI, and then back to a string, which sanitizes the input and adds in any missing components.
+ try {
+ unformattedUrl = new URL(unformattedUrlString);
+ } catch (MalformedURLException e) {
+ e.printStackTrace();
+ }
+
+ // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
+ String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
+ String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
+ String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
+ String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
+ String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
+
+ // Build the URI.
+ Uri.Builder uri = new Uri.Builder();
+ uri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
+
+ // Decode the URI as a UTF-8 string in.
+ try {
+ url = URLDecoder.decode(uri.build().toString(), "UTF-8");
+ } catch (UnsupportedEncodingException exception) {
+ // Do nothing. The formatted URL string will remain blank.
+ }
+ } else if (!unformattedUrlString.isEmpty()){ // This is not a URL, but rather a search string.
+ // Create an encoded URL String.
+ String encodedUrlString;
+
+ // Sanitize the search input.
+ try {
+ encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
+ } catch (UnsupportedEncodingException exception) {
+ encodedUrlString = "";
+ }
+
+ // Add the base search URL.
+ url = searchURL + encodedUrlString;
+ }
+
+ // Clear the focus from the URL edit text. Otherwise, proximate typing in the box will retain the colorized formatting instead of being reset during refocus.
+ urlEditText.clearFocus();
+
+ // Make it so.
+ loadUrl(currentWebView, url);
+ }
+
+ private void loadUrl(NestedScrollWebView nestedScrollWebView, String url) {
+ // Sanitize the URL.
+ url = sanitizeUrl(url);
+
+ // Apply the domain settings and load the URL.
+ applyDomainSettings(nestedScrollWebView, url, true, false, true);
+ }
+
+ public void findPreviousOnPage(View view) {
+ // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
+ currentWebView.findNext(false);
+ }
+
+ public void findNextOnPage(View view) {
+ // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
+ currentWebView.findNext(true);
+ }
+
+ public void closeFindOnPage(View view) {
+ // Get a handle for the views.
+ Toolbar toolbar = findViewById(R.id.toolbar);
+ LinearLayout findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout);
+ EditText findOnPageEditText = findViewById(R.id.find_on_page_edittext);
+
+ // Delete the contents of `find_on_page_edittext`.
+ findOnPageEditText.setText(null);
+
+ // Clear the highlighted phrases if the WebView is not null.
+ if (currentWebView != null) {
+ currentWebView.clearMatches();
+ }
+
+ // Hide the find on page linear layout.
+ findOnPageLinearLayout.setVisibility(View.GONE);
+
+ // Show the toolbar.
+ toolbar.setVisibility(View.VISIBLE);
+
+ // Get a handle for the input method manager.
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+
+ // Remove the lint warning below that the input method manager might be null.
+ assert inputMethodManager != null;
+
+ // Hide the keyboard.
+ inputMethodManager.hideSoftInputFromWindow(toolbar.getWindowToken(), 0);
+ }
+
+ @Override
+ public void onApplyNewFontSize(DialogFragment dialogFragment) {
+ // Remove the incorrect lint warning below that the dialog fragment might be null.
+ assert dialogFragment != null;
+
+ // Get the dialog.
+ Dialog dialog = dialogFragment.getDialog();
+
+ // Remove the incorrect lint warning below tha the dialog might be null.
+ assert dialog != null;
+
+ // Get a handle for the font size edit text.
+ EditText fontSizeEditText = dialog.findViewById(R.id.font_size_edittext);
+
+ // Initialize the new font size variable with the current font size.
+ int newFontSize = currentWebView.getSettings().getTextZoom();
+
+ // Get the font size from the edit text.
+ try {
+ newFontSize = Integer.parseInt(fontSizeEditText.getText().toString());
+ } catch (Exception exception) {
+ // If the edit text does not contain a valid font size do nothing.
+ }
+
+ // Apply the new font size.
+ currentWebView.getSettings().setTextZoom(newFontSize);
+ }
+
+ @Override
+ public void onOpen(DialogFragment dialogFragment) {
+ // Get the dialog.
+ Dialog dialog = dialogFragment.getDialog();
+
+ // Remove the incorrect lint warning below that the dialog might be null.
+ assert dialog != null;
+
+ // Get handles for the views.
+ EditText fileNameEditText = dialog.findViewById(R.id.file_name_edittext);
+ CheckBox mhtCheckBox = dialog.findViewById(R.id.mht_checkbox);
+
+ // Get the file path string.
+ String openFilePath = fileNameEditText.getText().toString();
+
+ // Apply the domain settings. This resets the favorite icon and removes any domain settings.
+ applyDomainSettings(currentWebView, openFilePath, true, false, false);
+
+ // Open the file according to the type.
+ if (mhtCheckBox.isChecked()) { // Force opening of an MHT file.
+ try {
+ // Get the MHT file input stream.
+ InputStream mhtFileInputStream = getContentResolver().openInputStream(Uri.parse(openFilePath));
+
+ // Create a temporary MHT file.
+ File temporaryMhtFile = File.createTempFile("temporary_mht_file", ".mht", getCacheDir());
+
+ // Get a file output stream for the temporary MHT file.
+ FileOutputStream temporaryMhtFileOutputStream = new FileOutputStream(temporaryMhtFile);
+
+ // Create a transfer byte array.
+ byte[] transferByteArray = new byte[1024];
+
+ // Create an integer to track the number of bytes read.
+ int bytesRead;
+
+ // Copy the temporary MHT file input stream to the MHT output stream.
+ while ((bytesRead = mhtFileInputStream.read(transferByteArray)) > 0) {
+ temporaryMhtFileOutputStream.write(transferByteArray, 0, bytesRead);
+ }
+
+ // Flush the temporary MHT file output stream.
+ temporaryMhtFileOutputStream.flush();
+
+ // Close the streams.
+ temporaryMhtFileOutputStream.close();
+ mhtFileInputStream.close();
+
+ // Load the temporary MHT file.
+ currentWebView.loadUrl(temporaryMhtFile.toString());
+ } catch (Exception exception) {
+ // Display a snackbar.
+ Snackbar.make(currentWebView, getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show();
+ }
+ } else { // Let the WebView handle opening of the file.
+ // Open the file.
+ currentWebView.loadUrl(openFilePath);
+ }
+ }
+
+ private void downloadUrlWithExternalApp(String url) {
+ // Create a download intent. Not specifying the action type will display the maximum number of options.
+ Intent downloadIntent = new Intent();
+
+ // Set the URI and the mime type.
+ downloadIntent.setDataAndType(Uri.parse(url), "text/html");
+
+ // Flag the intent to open in a new task.
+ downloadIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+ // Show the chooser.
+ startActivity(Intent.createChooser(downloadIntent, getString(R.string.download_with_external_app)));
+ }
+
+ public void onSaveUrl(@NonNull String originalUrlString, @NonNull String fileNameString, @NonNull DialogFragment dialogFragment) {
+ // Store the URL. This will be used in the save URL activity result launcher.
+ if (originalUrlString.startsWith("data:")) {
+ // Save the original URL.
+ saveUrlString = originalUrlString;
+ } else {
+ // Get the dialog.
+ Dialog dialog = dialogFragment.getDialog();
+
+ // Remove the incorrect lint warning below that the dialog might be null.
+ assert dialog != null;
+
+ // Get a handle for the dialog URL edit text.
+ EditText dialogUrlEditText = dialog.findViewById(R.id.url_edittext);
+
+ // Get the URL from the edit text, which may have been modified.
+ saveUrlString = dialogUrlEditText.getText().toString();
+ }
+
+ // Open the file picker.
+ saveUrlActivityResultLauncher.launch(fileNameString);
+ }
+
+ // Remove the warning that `OnTouchListener()` needs to override `performClick()`, as the only purpose of setting the `OnTouchListener()` is to make it do nothing.
+ @SuppressLint("ClickableViewAccessibility")
+ private void initializeApp() {
+ // 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 color spans for highlighting the URLs.
+ initialGrayColorSpan = new ForegroundColorSpan(getColor(R.color.gray_500));
+ finalGrayColorSpan = new ForegroundColorSpan(getColor(R.color.gray_500));
+ redColorSpan = new ForegroundColorSpan(getColor(R.color.red_text));
+
+ // 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 syntax 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 syntax highlighting.
+ UrlHelper.highlightSyntax(urlEditText, initialGrayColorSpan, finalGrayColorSpan, redColorSpan);
+ }
+ });
+
+ // 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(ProxyHelper.ORBOT_STATUS_ON) && waitingForProxy) {
+ // Reset the waiting for proxy status.
+ waitingForProxy = false;
+
+ // Get a list of the current fragments.
+ List<Fragment> fragmentList = getSupportFragmentManager().getFragments();
+
+ // Check each fragment to see if it is a waiting for proxy dialog. Sometimes more than one is displayed.
+ for (int i = 0; i < fragmentList.size(); i++) {
+ // Get the fragment tag.
+ String fragmentTag = fragmentList.get(i).getTag();
+
+ // Check to see if it is the waiting for proxy dialog.
+ if ((fragmentTag!= null) && fragmentTag.equals(getString(R.string.waiting_for_proxy_dialog))) {
+ // Dismiss the waiting for proxy dialog.
+ ((DialogFragment) fragmentList.get(i)).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.setWaitingForProxyUrlString("");
+ } 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.
+ LinearLayout bookmarksHeaderLinearLayout = findViewById(R.id.bookmarks_header_linearlayout);
+ 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);
+
+ // 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 by creating a new tab.
+ if (tabLayout.getSelectedTabPosition() != position) {
+ // Wait until the new tab has been created.
+ tabLayout.post(() -> {
+ // 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();
+ });
+ }
+ }
+
+ @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(), currentWebView.getFavoriteIcon());
+
+ // Display the View SSL Certificate dialog.
+ viewSslCertificateDialogFragment.show(getSupportFragmentManager(), getString(R.string.view_ssl_certificate));
+ }
+ });
+
+ // Set a touch listener on the bookmarks header linear layout so that touches don't pass through to the button underneath.
+ bookmarksHeaderLinearLayout.setOnTouchListener((view, motionEvent) -> {
+ // Consume the touch.
+ return true;
+ });
+
+ // 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.getFavoriteIcon();
+
+ // 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.getFavoriteIcon());
+
+ // 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.getFavoriteIcon());
+
+ // 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(() -> {
+ // Reload the website.
+ currentWebView.reload();
+ });
+
+ // Store the default progress view offsets for use later in `initializeWebView()`.
+ defaultProgressViewStartOffset = swipeRefreshLayout.getProgressViewStartOffset();
+ defaultProgressViewEndOffset = swipeRefreshLayout.getProgressViewEndOffset();
+
+ // Set the refresh color scheme according to the theme.
+ swipeRefreshLayout.setColorSchemeResources(R.color.blue_text);
+
+ // 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 swipe refresh background color.
+ swipeRefreshLayout.setProgressBackgroundColorSchemeColor(colorBackgroundInt);
+
+ // The drawer titles identify the drawer layouts in accessibility mode.
+ drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
+ drawerLayout.setDrawerTitle(GravityCompat.END, getString(R.string.bookmarks));
+
+ // Load the bookmarks folder.
+ loadBookmarksFolder();
+
+ // Handle clicks on bookmarks.
+ 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.getColumnIndexOrThrow(BookmarksDatabaseHelper.IS_FOLDER)) == 1) { // The selected bookmark is a folder.
+ // Store the new folder name in `currentBookmarksFolder`.
+ currentBookmarksFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndexOrThrow(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.getColumnIndexOrThrow(BookmarksDatabaseHelper.BOOKMARK_URL)));
+
+ // Close the bookmarks drawer if it is not pinned.
+ if (!bookmarksDrawerPinned)
+ drawerLayout.closeDrawer(GravityCompat.END);
+ }
+
+ // Close the cursor.
+ bookmarkCursor.close();
+ });
+
+ // Handle long-presses on bookmarks.
+ bookmarksListView.setOnItemLongClickListener((parent, view, position, id) -> {
+ // Convert the database ID from `long` to `int`.
+ int databaseId = (int) id;