+ case R.id.user_agent_privacy_browser:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[0]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_webview_default:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString("");
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_firefox_on_android:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[2]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_chrome_on_android:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[3]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_safari_on_ios:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[4]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_firefox_on_linux:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[5]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_chromium_on_linux:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[6]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_firefox_on_windows:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[7]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_chrome_on_windows:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[8]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_edge_on_windows:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[9]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_internet_explorer_on_windows:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[10]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_safari_on_macos:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(getResources().getStringArray(R.array.user_agent_data)[11]);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.user_agent_custom:
+ // Update the user agent.
+ currentWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
+
+ // Reload the current WebView.
+ currentWebView.reload();
+ return true;
+
+ case R.id.font_size_twenty_five_percent:
+ currentWebView.getSettings().setTextZoom(25);
+ return true;
+
+ case R.id.font_size_fifty_percent:
+ currentWebView.getSettings().setTextZoom(50);
+ return true;
+
+ case R.id.font_size_seventy_five_percent:
+ currentWebView.getSettings().setTextZoom(75);
+ return true;
+
+ case R.id.font_size_one_hundred_percent:
+ currentWebView.getSettings().setTextZoom(100);
+ return true;
+
+ case R.id.font_size_one_hundred_twenty_five_percent:
+ currentWebView.getSettings().setTextZoom(125);
+ return true;
+
+ case R.id.font_size_one_hundred_fifty_percent:
+ currentWebView.getSettings().setTextZoom(150);
+ return true;
+
+ case R.id.font_size_one_hundred_seventy_five_percent:
+ currentWebView.getSettings().setTextZoom(175);
+ return true;
+
+ case R.id.font_size_two_hundred_percent:
+ currentWebView.getSettings().setTextZoom(200);
+ return true;
+
+ case R.id.swipe_to_refresh:
+ // Get a handle for the swipe refresh layout.
+ SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.swiperefreshlayout);
+
+ // Toggle swipe to refresh.
+ swipeRefreshLayout.setEnabled(!swipeRefreshLayout.isEnabled());
+ return true;
+
+ case R.id.display_images:
+ if (currentWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
+ // Disable loading of images.
+ currentWebView.getSettings().setLoadsImagesAutomatically(false);
+
+ // Reload the website to remove existing images.
+ currentWebView.reload();
+ } else { // Images are not currently loaded automatically.
+ // Enable loading of images. Missing images will be loaded without the need for a reload.
+ currentWebView.getSettings().setLoadsImagesAutomatically(true);
+ }
+ return true;
+
+ case R.id.night_mode:
+ // Toggle night mode.
+ nightMode = !nightMode;
+
+ // Enable or disable JavaScript according to night mode, the global preference, and any domain settings.
+ if (nightMode) { // Night mode is enabled. Enable JavaScript.
+ // Update the global variable.
+ javaScriptEnabled = true;
+ } else if (currentWebView.getDomainSettingsApplied()) { // Night mode is disabled and domain settings are applied. Set JavaScript according to the domain settings.
+ // Get the JavaScript preference that was stored the last time domain settings were loaded.
+ javaScriptEnabled = domainSettingsJavaScriptEnabled;
+ } else { // Night mode is disabled and domain settings are not applied. Set JavaScript according to the global preference.
+ // Get a handle for the shared preference.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+ // Get the JavaScript preference.
+ javaScriptEnabled = sharedPreferences.getBoolean("javascript", false);
+ }
+
+ // Apply the JavaScript setting to the WebView.
+ currentWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
+
+ // Update the privacy icons.
+ updatePrivacyIcons(false);
+
+ // Reload the website.
+ currentWebView.reload();
+ return true;
+
+ case R.id.find_on_page:
+ // Get a handle for the views.
+ Toolbar toolbar = findViewById(R.id.toolbar);
+ LinearLayout findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout);
+
+ // Hide the toolbar.
+ toolbar.setVisibility(View.GONE);
+
+ // Show the find on page linear layout.
+ findOnPageLinearLayout.setVisibility(View.VISIBLE);
+
+ // Display the keyboard. The app must wait 200 ms before running the command to work around a bug in Android.
+ // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
+ findOnPageEditText.postDelayed(() -> {
+ // Set the focus on `findOnPageEditText`.
+ findOnPageEditText.requestFocus();
+
+ // Display the keyboard. `0` sets no input flags.
+ inputMethodManager.showSoftInput(findOnPageEditText, 0);
+ }, 200);
+ return true;
+
+ case R.id.view_source:
+ // Launch the View Source activity.
+ Intent viewSourceIntent = new Intent(this, ViewSourceActivity.class);
+ startActivity(viewSourceIntent);
+ return true;