+ 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.toString(), 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 onSaveWebpage(int saveType, @NonNull String originalUrlString, 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 a handle for the file name edit text.
+ EditText fileNameEditText = dialog.findViewById(R.id.file_name_edittext);
+
+ // Get the file path from the edit text.
+ String saveWebpageFilePath = fileNameEditText.getText().toString();
+
+ //Save the webpage according to the save type.
+ switch (saveType) {
+ case SaveWebpageDialog.SAVE_URL:
+ // Get a handle for the dialog URL edit text.
+ EditText dialogUrlEditText = dialog.findViewById(R.id.url_edittext);
+
+ // Define the save webpage URL.
+ String saveWebpageUrl;
+
+ // Store the URL.
+ if (originalUrlString.startsWith("data:")) {
+ // Save the original URL.
+ saveWebpageUrl = originalUrlString;
+ } else {
+ // Get the URL from the edit text, which may have been modified.
+ saveWebpageUrl = dialogUrlEditText.getText().toString();
+ }
+
+ // Save the URL.
+ new SaveUrl(this, this, saveWebpageFilePath, currentWebView.getSettings().getUserAgentString(), currentWebView.getAcceptCookies()).execute(saveWebpageUrl);
+ break;
+
+ case SaveWebpageDialog.SAVE_ARCHIVE:
+ try {
+ // Create a temporary MHT file.
+ File temporaryMhtFile = File.createTempFile("temporary_mht_file", ".mht", getCacheDir());
+
+ // Save the temporary MHT file.
+ currentWebView.saveWebArchive(temporaryMhtFile.toString(), false, callbackValue -> {
+ if (callbackValue != null) { // The temporary MHT file was saved successfully.
+ try {
+ // Create a temporary MHT file input stream.
+ FileInputStream temporaryMhtFileInputStream = new FileInputStream(temporaryMhtFile);
+
+ // Get an output stream for the save webpage file path.
+ OutputStream mhtOutputStream = getContentResolver().openOutputStream(Uri.parse(saveWebpageFilePath));
+
+ // 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 = temporaryMhtFileInputStream.read(transferByteArray)) > 0) {
+ mhtOutputStream.write(transferByteArray, 0, bytesRead);
+ }
+
+ // Close the streams.
+ mhtOutputStream.close();
+ temporaryMhtFileInputStream.close();
+
+ // Display a snackbar.
+ Snackbar.make(currentWebView, getString(R.string.file_saved) + " " + currentWebView.getCurrentUrl(), Snackbar.LENGTH_SHORT).show();
+ } catch (Exception exception) {
+ // Display a snackbar with the exception.
+ Snackbar.make(currentWebView, getString(R.string.error_saving_file) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show();
+ } finally {
+ // Delete the temporary MHT file.
+ //noinspection ResultOfMethodCallIgnored
+ temporaryMhtFile.delete();
+ }
+ } else { // There was an unspecified error while saving the temporary MHT file.
+ // Display an error snackbar.
+ Snackbar.make(currentWebView, getString(R.string.error_saving_file), Snackbar.LENGTH_INDEFINITE).show();
+ }
+ });
+ } catch (IOException ioException) {
+ // Display a snackbar with the IO exception.
+ Snackbar.make(currentWebView, getString(R.string.error_saving_file) + " " + ioException.toString(), Snackbar.LENGTH_INDEFINITE).show();
+ }
+ break;
+
+ case SaveWebpageDialog.SAVE_IMAGE:
+ // Save the webpage image.
+ new SaveWebpageImage(this, saveWebpageFilePath, currentWebView).execute();
+ break;
+ }
+ }
+
+ // 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 gray foreground color spans for highlighting the URLs. The deprecated `getResources()` must be used until API >= 23.
+ initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
+ finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
+
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Set the red color span according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
+ } else {
+ redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_900));
+ }
+
+ // 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 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();