2 * Copyright 2015-2017 Soren Stoutner <soren@stoutner.com>.
4 * Download cookie code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
6 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
8 * Privacy Browser is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
13 * Privacy Browser is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
22 package com.stoutner.privacybrowser.activities;
24 import android.annotation.SuppressLint;
25 import android.app.DialogFragment;
26 import android.app.DownloadManager;
27 import android.content.BroadcastReceiver;
28 import android.content.ClipData;
29 import android.content.ClipboardManager;
30 import android.content.Context;
31 import android.content.Intent;
32 import android.content.IntentFilter;
33 import android.content.SharedPreferences;
34 import android.content.res.Configuration;
35 import android.database.Cursor;
36 import android.graphics.Bitmap;
37 import android.graphics.drawable.BitmapDrawable;
38 import android.graphics.drawable.Drawable;
39 import android.net.Uri;
40 import android.net.http.SslCertificate;
41 import android.net.http.SslError;
42 import android.os.Build;
43 import android.os.Bundle;
44 import android.preference.PreferenceManager;
45 import android.print.PrintDocumentAdapter;
46 import android.print.PrintManager;
47 import android.support.annotation.NonNull;
48 import android.support.design.widget.CoordinatorLayout;
49 import android.support.design.widget.NavigationView;
50 import android.support.design.widget.Snackbar;
51 import android.support.v4.app.ActivityCompat;
52 import android.support.v4.content.ContextCompat;
53 import android.support.v4.view.GravityCompat;
54 import android.support.v4.widget.DrawerLayout;
55 import android.support.v4.widget.SwipeRefreshLayout;
56 import android.support.v7.app.ActionBar;
57 import android.support.v7.app.ActionBarDrawerToggle;
58 import android.support.v7.app.AppCompatActivity;
59 import android.support.v7.app.AppCompatDialogFragment;
60 import android.support.v7.widget.Toolbar;
61 import android.text.Editable;
62 import android.text.TextWatcher;
63 import android.util.Patterns;
64 import android.view.ContextMenu;
65 import android.view.GestureDetector;
66 import android.view.KeyEvent;
67 import android.view.Menu;
68 import android.view.MenuItem;
69 import android.view.MotionEvent;
70 import android.view.View;
71 import android.view.WindowManager;
72 import android.view.inputmethod.InputMethodManager;
73 import android.webkit.CookieManager;
74 import android.webkit.DownloadListener;
75 import android.webkit.SslErrorHandler;
76 import android.webkit.WebBackForwardList;
77 import android.webkit.WebChromeClient;
78 import android.webkit.WebResourceResponse;
79 import android.webkit.WebStorage;
80 import android.webkit.WebView;
81 import android.webkit.WebViewClient;
82 import android.webkit.WebViewDatabase;
83 import android.widget.EditText;
84 import android.widget.FrameLayout;
85 import android.widget.ImageView;
86 import android.widget.LinearLayout;
87 import android.widget.ProgressBar;
88 import android.widget.RelativeLayout;
89 import android.widget.TextView;
91 import com.stoutner.privacybrowser.BannerAd;
92 import com.stoutner.privacybrowser.BuildConfig;
93 import com.stoutner.privacybrowser.R;
94 import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcutDialog;
95 import com.stoutner.privacybrowser.dialogs.DownloadImageDialog;
96 import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog;
97 import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog;
98 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
99 import com.stoutner.privacybrowser.helpers.OrbotProxyHelper;
100 import com.stoutner.privacybrowser.dialogs.DownloadFileDialog;
101 import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog;
103 import java.io.BufferedReader;
104 import java.io.ByteArrayInputStream;
105 import java.io.IOException;
106 import java.io.InputStreamReader;
107 import java.io.UnsupportedEncodingException;
108 import java.net.MalformedURLException;
110 import java.net.URLEncoder;
111 import java.util.HashMap;
112 import java.util.HashSet;
113 import java.util.Map;
114 import java.util.Set;
116 // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
117 public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
118 SslCertificateErrorDialog.SslCertificateErrorListener, DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, UrlHistoryDialog.UrlHistoryListener {
120 // `appBar` is public static so it can be accessed from `OrbotProxyHelper`.
121 // It is also used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applySettings()`.
122 public static ActionBar appBar;
124 // `favoriteIcon` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, and `EditBookmarkDialog`.
125 // It is also used in `onCreate()` and `onCreateHomeScreenShortcutCreate()`.
126 public static Bitmap favoriteIcon;
128 // `formattedUrlString` is public static so it can be accessed from `BookmarksActivity`, `CreateBookmarkDialog`, and `AddDomainDialog`.
129 // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onCreateHomeScreenShortcutCreate()`, and `loadUrlFromTextBox()`.
130 public static String formattedUrlString;
132 // `sslCertificate` is public static so it can be accessed from `ViewSslCertificateDialog`. It is also used in `onCreate()`.
133 public static SslCertificate sslCertificate;
135 // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`.
136 public static String orbotStatus;
138 // `webViewTitle` is public static so it can be accessed from `CreateBookmarkDialog` and `CreateHomeScreenShortcutDialog`. It is also used in `onCreate()`.
139 public static String webViewTitle;
142 // `navigatingHistory` is used in `onCreate()` and `onNavigationItemSelected()`.
143 private boolean navigatingHistory;
145 // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`.
146 private DrawerLayout drawerLayout;
148 // `rootCoordinatorLayout` is used in `onCreate()` and `applySettings()`.
149 private CoordinatorLayout rootCoordinatorLayout;
151 // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, and `loadUrlFromTextBox()`.
152 private WebView mainWebView;
154 // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
155 private FrameLayout fullScreenVideoFrameLayout;
157 // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
158 private SwipeRefreshLayout swipeRefreshLayout;
160 // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `loadUrlFromTextBox()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
161 private CookieManager cookieManager;
163 // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`.
164 private final Map<String, String> customHeaders = new HashMap<>();
166 // `javaScriptEnabled` is also used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `applySettings()`.
167 // It is `Boolean` instead of `boolean` because `applySettings()` needs to know if it is `null`.
168 private Boolean javaScriptEnabled;
170 // `firstPartyCookiesEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applySettings()`.
171 private boolean firstPartyCookiesEnabled;
173 // `thirdPartyCookiesEnabled` used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applySettings()`.
174 private boolean thirdPartyCookiesEnabled;
176 // `domStorageEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applySettings()`.
177 private boolean domStorageEnabled;
179 // `saveFormDataEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applySettings()`.
180 private boolean saveFormDataEnabled;
182 // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applySettings()`.
183 private boolean swipeToRefreshEnabled;
185 // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applySettings()`.
186 private String homepage;
188 // `javaScriptDisabledSearchURL` is used in `loadURLFromTextBox()` and `applySettings()`.
189 private String javaScriptDisabledSearchURL;
191 // `javaScriptEnabledSearchURL` is used in `loadURLFromTextBox()` and `applySettings()`.
192 private String javaScriptEnabledSearchURL;
194 // `adBlockerEnabled` is used in `onCreate()` and `applySettings()`.
195 private boolean adBlockerEnabled;
197 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applySettings()`.
198 private boolean fullScreenBrowsingModeEnabled;
200 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applySettings()`.
201 private boolean inFullScreenBrowsingMode;
203 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applySettings()`.
204 private boolean hideSystemBarsOnFullscreen;
206 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applySettings()`.
207 private boolean translucentNavigationBarOnFullscreen;
209 // `proxyThroughOrbot` is used in `onCreate()` and `applySettings()`
210 private boolean proxyThroughOrbot;
212 // `currentDomain` is used in `onCreate() and `applyDomainSettings()`.
213 private String currentDomain;
215 // `pendingUrl` is used in `onCreate()` and `applySettings()`
216 private static String pendingUrl;
218 // `waitingForOrbotData` is used in `onCreate()` and `applySettings()`.
219 private String waitingForOrbotHTMLString;
221 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
222 private LinearLayout findOnPageLinearLayout;
224 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
225 private EditText findOnPageEditText;
227 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
228 private Menu mainMenu;
230 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
231 private ActionBarDrawerToggle drawerToggle;
233 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
234 private Toolbar supportAppBar;
236 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `loadUrl()`.
237 private EditText urlTextBox;
239 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
242 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
243 private SslErrorHandler sslErrorHandler;
245 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
246 private InputMethodManager inputMethodManager;
248 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
249 private RelativeLayout mainWebViewRelativeLayout;
252 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. The whole premise of Privacy Browser is built around an understanding of these dangers.
253 @SuppressLint("SetJavaScriptEnabled")
254 protected void onCreate(Bundle savedInstanceState) {
255 super.onCreate(savedInstanceState);
256 setContentView(R.layout.main_drawerlayout);
258 // Get a handle for `inputMethodManager`.
259 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
261 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
262 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
263 setSupportActionBar(supportAppBar);
264 appBar = getSupportActionBar();
266 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
267 assert appBar != null;
269 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
270 appBar.setCustomView(R.layout.url_app_bar);
271 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
273 // Set the "go" button on the keyboard to load the URL in urlTextBox.
274 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
275 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
277 public boolean onKey(View v, int keyCode, KeyEvent event) {
278 // If the event is a key-down event on the `enter` button, load the URL.
279 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
280 // Load the URL into the mainWebView and consume the event.
282 loadUrlFromTextBox();
283 } catch (UnsupportedEncodingException e) {
286 // If the enter key was pressed, consume the event.
289 // If any other key was pressed, do not consume the event.
295 // Set `waitingForOrbotHTMLString`.
296 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
298 // Initialize `currentDomain`, `pendingUrl`, and `orbotStatus`.
301 orbotStatus = "unknown";
303 // Create an Orbot status `BroadcastReceiver`.
304 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
306 public void onReceive(Context context, Intent intent) {
307 // Store the content of the status message in `orbotStatus`.
308 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
310 // If we are waiting on `pendingUrl`, load it now that Orbot is connected.
311 if (orbotStatus.equals("ON") && !pendingUrl.isEmpty()) {
313 // Wait 500 milliseconds, because Orbot isn't really ready yet.
316 } catch (InterruptedException exception) {
320 // Copy `pendingUrl` to `formattedUrlString` and reset `pendingUrl` to be empty.
321 formattedUrlString = pendingUrl;
324 // Load `formattedUrlString
325 loadUrl(formattedUrlString);
330 // Register `orbotStatusBroadcastReceiver` on `this` context.
331 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
333 // Get handles for views that need to be accessed.
334 drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
335 rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
336 mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
337 mainWebView = (WebView) findViewById(R.id.main_webview);
338 findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
339 findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
340 fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
342 // Create a double-tap listener to toggle full-screen mode.
343 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
344 // Override `onDoubleTap()`. All other events are handled using the default settings.
346 public boolean onDoubleTap(MotionEvent event) {
347 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
348 // Toggle `inFullScreenBrowsingMode`.
349 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
351 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
352 // Hide the `appBar`.
355 // Hide the `BannerAd` in the free flavor.
356 if (BuildConfig.FLAVOR.contentEquals("free")) {
357 BannerAd.hideAd(adView);
360 // Modify the system bars.
361 if (hideSystemBarsOnFullscreen) { // Hide everything.
362 // Remove the translucent overlays.
363 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
365 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
366 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
368 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
369 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
370 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
372 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
374 // Set `rootCoordinatorLayout` to fill the whole screen.
375 rootCoordinatorLayout.setFitsSystemWindows(false);
376 } else { // Hide everything except the status and navigation bars.
377 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
378 rootCoordinatorLayout.setFitsSystemWindows(false);
380 if (translucentNavigationBarOnFullscreen) { // There is an Android Support Library bug that causes a scrim to print on the right side of the `Drawer Layout` when the navigation bar is displayed on the right of the screen.
381 // Set the navigation bar to be translucent.
382 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
385 } else { // Switch to normal viewing mode.
386 // Show the `appBar`.
389 // Show the `BannerAd` in the free flavor.
390 if (BuildConfig.FLAVOR.contentEquals("free")) {
391 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
392 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
394 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
395 adView = findViewById(R.id.adview);
398 // Remove the translucent navigation bar flag if it is set.
399 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
401 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
402 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
404 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
405 rootCoordinatorLayout.setSystemUiVisibility(0);
407 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
408 rootCoordinatorLayout.setFitsSystemWindows(true);
411 // Consume the double-tap.
413 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
419 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
420 mainWebView.setOnTouchListener(new View.OnTouchListener() {
422 public boolean onTouch(View v, MotionEvent event) {
423 // Send the `event` to `gestureDetector`.
424 return gestureDetector.onTouchEvent(event);
428 // Update `findOnPageCountTextView`.
429 mainWebView.setFindListener(new WebView.FindListener() {
430 // Get a handle for `findOnPageCountTextView`.
431 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
434 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
435 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
436 // Set `findOnPageCountTextView` to `0/0`.
437 findOnPageCountTextView.setText(R.string.zero_of_zero);
438 } else if (isDoneCounting) { // There are matches.
439 // `activeMatchOrdinal` is zero-based.
440 int activeMatch = activeMatchOrdinal + 1;
442 // Set `findOnPageCountTextView`.
443 findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
448 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
449 findOnPageEditText.addTextChangedListener(new TextWatcher() {
451 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
456 public void onTextChanged(CharSequence s, int start, int before, int count) {
461 public void afterTextChanged(Editable s) {
462 // Search for the text in `mainWebView`.
463 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
467 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
468 findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
470 public boolean onKey(View v, int keyCode, KeyEvent event) {
471 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
472 // Hide the soft keyboard. `0` indicates no additional flags.
473 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
475 // Consume the event.
477 } else { // A different key was pressed.
478 // Do not consume the event.
484 // Implement swipe to refresh
485 swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refreshlayout);
486 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
487 swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
489 public void onRefresh() {
490 mainWebView.reload();
494 // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
495 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
497 // Listen for touches on the navigation menu.
498 final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
499 navigationView.setNavigationItemSelectedListener(this);
501 // Get handles for `navigationMenu` and the back and forward menu items. The menu is zero-based, so items 1, 2, and 3 are the second, third, and fourth entries in the menu.
502 final Menu navigationMenu = navigationView.getMenu();
503 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
504 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
505 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
507 // The `DrawerListener` allows us to update the Navigation Menu.
508 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
510 public void onDrawerSlide(View drawerView, float slideOffset) {
514 public void onDrawerOpened(View drawerView) {
518 public void onDrawerClosed(View drawerView) {
522 public void onDrawerStateChanged(int newState) {
523 // Update the `Back`, `Forward`, and `History` menu items every time the drawer opens.
524 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
525 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
526 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
528 // Hide the keyboard so we can see the navigation menu. `0` indicates no additional flags.
529 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
533 // drawerToggle creates the hamburger icon at the start of the AppBar.
534 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
536 // Initialize `adServerSet`.
537 final Set<String> adServersSet = new HashSet<>();
539 // Load the list of ad servers into memory.
541 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
542 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
544 // Create a string for storing each ad server.
547 // Populate `adServersSet`.
548 while ((adServer = bufferedReader.readLine()) != null) {
549 adServersSet.add(adServer);
552 // Close `bufferedReader`.
553 bufferedReader.close();
554 } catch (IOException ioException) {
555 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
558 mainWebView.setWebViewClient(new WebViewClient() {
559 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
560 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
561 @SuppressWarnings("deprecation")
563 public boolean shouldOverrideUrlLoading(WebView view, String url) {
564 // Use an external email program if the link begins with `mailto:`.
565 if (url.startsWith("mailto:")) {
566 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
567 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
569 // Parse the url and set it as the data for the `Intent`.
570 emailIntent.setData(Uri.parse(url));
572 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
573 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
576 startActivity(emailIntent);
578 } else { // Load the URL in Privacy Browser.
584 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
585 @SuppressWarnings("deprecation")
587 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
588 if (adBlockerEnabled) { // Block ads.
589 // Extract the host from `url`.
590 Uri requestUri = Uri.parse(url);
591 String requestHost = requestUri.getHost();
593 // Initialize a variable to track if this is an ad server.
594 boolean requestHostIsAdServer = false;
596 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
597 if (requestHost != null) {
598 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
599 if (adServersSet.contains(requestHost)) {
600 requestHostIsAdServer = true;
603 // Strip out the lowest subdomain of `requestHost`.
604 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
608 if (requestHostIsAdServer) { // It is an ad server.
609 // Return an empty `WebResourceResponse`.
610 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
611 } else { // It is not an ad server.
612 // `return null` loads the requested resource.
615 } else { // Ad blocking is disabled.
616 // `return null` loads the requested resource.
621 // Update the URL in urlTextBox when the page starts to load.
623 public void onPageStarted(WebView view, String url, Bitmap favicon) {
624 // Check to see if we are waiting on Orbot.
625 if (pendingUrl.isEmpty()) { // We are not waiting on Orbot, so we need to process the URL.
626 // We need to update `formattedUrlString` at the beginning of the load, so that if the user toggles JavaScript during the load the new website is reloaded.
627 formattedUrlString = url;
629 // Display the loading URL is the URL text box.
630 urlTextBox.setText(url);
632 // Apply any custom domain settings if the URL was loaded by navigating history.
633 if (navigatingHistory) {
634 applyDomainSettings(url);
639 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
641 public void onPageFinished(WebView view, String url) {
642 // Check to see if we are waiting on Orbot.
643 if (pendingUrl.isEmpty()) { // we are not waiting on Orbot, so we need to process the URL.
644 formattedUrlString = url;
646 // Only update urlTextBox if the user is not typing in it.
647 if (!urlTextBox.hasFocus()) {
648 urlTextBox.setText(formattedUrlString);
651 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
652 sslCertificate = mainWebView.getCertificate();
656 // Handle SSL Certificate errors.
658 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
659 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
660 sslErrorHandler = handler;
662 // Display the SSL error `AlertDialog`.
663 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
664 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
668 // Get a handle for the progress bar.
669 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
671 mainWebView.setWebChromeClient(new WebChromeClient() {
672 // Update the progress bar when a page is loading.
674 public void onProgressChanged(WebView view, int progress) {
675 progressBar.setProgress(progress);
676 if (progress < 100) {
677 progressBar.setVisibility(View.VISIBLE);
679 progressBar.setVisibility(View.GONE);
681 //Stop the `SwipeToRefresh` indicator if it is running
682 swipeRefreshLayout.setRefreshing(false);
686 // Set the favorite icon when it changes.
688 public void onReceivedIcon(WebView view, Bitmap icon) {
689 // Save a copy of the favorite icon.
692 // Place the favorite icon in the appBar.
693 ImageView imageViewFavoriteIcon = (ImageView) appBar.getCustomView().findViewById(R.id.favorite_icon);
694 imageViewFavoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
697 // Save a copy of the title when it changes.
699 public void onReceivedTitle(WebView view, String title) {
700 // Save a copy of the title.
701 webViewTitle = title;
704 // Enter full screen video
706 public void onShowCustomView(View view, CustomViewCallback callback) {
707 // Pause the ad if this is the free flavor.
708 if (BuildConfig.FLAVOR.contentEquals("free")) {
709 BannerAd.pauseAd(adView);
712 // Remove the translucent overlays.
713 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
715 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
716 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
718 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
719 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
720 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
722 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
724 // Set `rootCoordinatorLayout` to fill the entire screen.
725 rootCoordinatorLayout.setFitsSystemWindows(false);
727 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
728 fullScreenVideoFrameLayout.addView(view);
729 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
732 // Exit full screen video
733 public void onHideCustomView() {
734 // Hide `fullScreenVideoFrameLayout`.
735 fullScreenVideoFrameLayout.removeAllViews();
736 fullScreenVideoFrameLayout.setVisibility(View.GONE);
738 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
739 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
741 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
742 rootCoordinatorLayout.setFitsSystemWindows(true);
744 // Show the ad if this is the free flavor.
745 if (BuildConfig.FLAVOR.contentEquals("free")) {
746 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
747 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
749 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
750 adView = findViewById(R.id.adview);
755 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
756 registerForContextMenu(mainWebView);
758 // Allow the downloading of files.
759 mainWebView.setDownloadListener(new DownloadListener() {
761 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
762 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
763 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
764 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
768 // Allow pinch to zoom.
769 mainWebView.getSettings().setBuiltInZoomControls(true);
771 // Hide zoom controls.
772 mainWebView.getSettings().setDisplayZoomControls(false);
774 // Initialize cookieManager.
775 cookieManager = CookieManager.getInstance();
777 // 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).
778 customHeaders.put("X-Requested-With", "");
780 // Initialize the default preference values the first time the program is run. `this` is the context. `false` keeps this command from resetting any current preferences back to default.
781 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
783 // Get the intent that started the app.
784 final Intent launchingIntent = getIntent();
786 // Extract the launching intent data as `launchingIntentUriData`.
787 final Uri launchingIntentUriData = launchingIntent.getData();
789 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
790 if (launchingIntentUriData != null) {
791 formattedUrlString = launchingIntentUriData.toString();
794 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
795 inFullScreenBrowsingMode = false;
797 // Initialize AdView for the free flavor.
798 adView = findViewById(R.id.adview);
800 // Initialize the privacy settings variables.
801 javaScriptEnabled = false;
802 firstPartyCookiesEnabled = false;
803 thirdPartyCookiesEnabled = false;
804 domStorageEnabled = false;
805 saveFormDataEnabled = false;
807 // Apply the app settings from the shared preferences.
810 // Load `formattedUrlString` if we are not proxying through Orbot and waiting for Orbot to connect.
811 if (!(proxyThroughOrbot && !orbotStatus.equals("ON"))) {
812 loadUrl(formattedUrlString);
815 // If the favorite icon is null, load the default.
816 if (favoriteIcon == null) {
817 // We have to use `ContextCompat` until API >= 21.
818 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
819 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
820 favoriteIcon = favoriteIconBitmapDrawable.getBitmap();
826 protected void onNewIntent(Intent intent) {
827 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
830 if (intent.getData() != null) {
831 // Get the intent data and convert it to a string.
832 final Uri intentUriData = intent.getData();
833 formattedUrlString = intentUriData.toString();
836 // Close the navigation drawer if it is open.
837 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
838 drawerLayout.closeDrawer(GravityCompat.START);
842 loadUrl(formattedUrlString);
844 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
845 mainWebView.requestFocus();
849 public boolean onCreateOptionsMenu(Menu menu) {
850 // Inflate the menu; this adds items to the action bar if it is present.
851 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
853 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
856 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
857 updatePrivacyIcons(false);
859 // Get handles for the menu items.
860 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
861 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
862 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
863 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
865 // Only display third-party cookies if SDK >= 21
866 toggleThirdPartyCookies.setVisible(Build.VERSION.SDK_INT >= 21);
868 // Get the shared preference values. `this` references the current context.
869 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
871 // Set the status of the additional app bar icons. The default is `false`.
872 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
873 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
874 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
875 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
876 } else { //Do not display the additional icons.
877 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
878 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
879 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
886 public boolean onPrepareOptionsMenu(Menu menu) {
887 // Get handles for the menu items.
888 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
889 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
890 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
891 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
892 MenuItem clearCookies = menu.findItem(R.id.clearCookies);
893 MenuItem clearFormData = menu.findItem(R.id.clearFormData);
894 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
896 // Set the status of the menu item checkboxes.
897 toggleFirstPartyCookies.setChecked(firstPartyCookiesEnabled);
898 toggleThirdPartyCookies.setChecked(thirdPartyCookiesEnabled);
899 toggleDomStorage.setChecked(domStorageEnabled);
900 toggleSaveFormData.setChecked(saveFormDataEnabled);
902 // Enable third-party cookies if first-party cookies are enabled.
903 toggleThirdPartyCookies.setEnabled(firstPartyCookiesEnabled);
905 // Enable DOM Storage if JavaScript is enabled.
906 toggleDomStorage.setEnabled(javaScriptEnabled);
908 // Enable Clear Cookies if there are any.
909 clearCookies.setEnabled(cookieManager.hasCookies());
911 // Enable Clear Form Data is there is any.
912 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
913 clearFormData.setEnabled(mainWebViewDatabase.hasFormData());
915 // Only show `Refresh` if `swipeToRefresh` is disabled.
916 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
918 // Initialize font size variables.
919 int fontSize = mainWebView.getSettings().getTextZoom();
920 String fontSizeTitle;
921 MenuItem selectedFontSizeMenuItem;
923 // Prepare the font size title and current size menu item.
926 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
927 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeFiftyPercent);
931 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
932 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeSeventyFivePercent);
936 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
937 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
941 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
942 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredTwentyFivePercent);
946 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
947 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredFiftyPercent);
951 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
952 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredSeventyFivePercent);
956 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
957 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeTwoHundredPercent);
961 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
962 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
966 // Set the font size title and select the current size menu item.
967 MenuItem fontSizeMenuItem = menu.findItem(R.id.fontSize);
968 fontSizeMenuItem.setTitle(fontSizeTitle);
969 selectedFontSizeMenuItem.setChecked(true);
971 // Run all the other default commands.
972 super.onPrepareOptionsMenu(menu);
974 // `return true` displays the menu.
979 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
980 @SuppressLint("SetJavaScriptEnabled")
981 // removeAllCookies is deprecated, but it is required for API < 21.
982 @SuppressWarnings("deprecation")
983 public boolean onOptionsItemSelected(MenuItem menuItem) {
984 int menuItemId = menuItem.getItemId();
986 // Set the commands that relate to the menu entries.
987 switch (menuItemId) {
988 case R.id.toggleJavaScript:
989 // Switch the status of javaScriptEnabled.
990 javaScriptEnabled = !javaScriptEnabled;
992 // Apply the new JavaScript status.
993 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
995 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
996 updatePrivacyIcons(true);
998 // Display a `Snackbar`.
999 if (javaScriptEnabled) { // JavaScrip is enabled.
1000 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1001 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1002 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1003 } else { // Privacy mode.
1004 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1007 // Reload the WebView.
1008 mainWebView.reload();
1011 case R.id.toggleFirstPartyCookies:
1012 // Switch the status of firstPartyCookiesEnabled.
1013 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1015 // Update the menu checkbox.
1016 menuItem.setChecked(firstPartyCookiesEnabled);
1018 // Apply the new cookie status.
1019 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1021 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1022 updatePrivacyIcons(true);
1024 // Display a `Snackbar`.
1025 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1026 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1027 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1028 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1029 } else { // Privacy mode.
1030 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1033 // Reload the WebView.
1034 mainWebView.reload();
1037 case R.id.toggleThirdPartyCookies:
1038 if (Build.VERSION.SDK_INT >= 21) {
1039 // Switch the status of thirdPartyCookiesEnabled.
1040 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1042 // Update the menu checkbox.
1043 menuItem.setChecked(thirdPartyCookiesEnabled);
1045 // Apply the new cookie status.
1046 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1048 // Display a `Snackbar`.
1049 if (thirdPartyCookiesEnabled) {
1050 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1052 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1055 // Reload the WebView.
1056 mainWebView.reload();
1057 } // Else do nothing because SDK < 21.
1060 case R.id.toggleDomStorage:
1061 // Switch the status of domStorageEnabled.
1062 domStorageEnabled = !domStorageEnabled;
1064 // Update the menu checkbox.
1065 menuItem.setChecked(domStorageEnabled);
1067 // Apply the new DOM Storage status.
1068 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1070 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1071 updatePrivacyIcons(true);
1073 // Display a `Snackbar`.
1074 if (domStorageEnabled) {
1075 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1077 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1080 // Reload the WebView.
1081 mainWebView.reload();
1084 case R.id.toggleSaveFormData:
1085 // Switch the status of saveFormDataEnabled.
1086 saveFormDataEnabled = !saveFormDataEnabled;
1088 // Update the menu checkbox.
1089 menuItem.setChecked(saveFormDataEnabled);
1091 // Apply the new form data status.
1092 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1094 // Display a `Snackbar`.
1095 if (saveFormDataEnabled) {
1096 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1098 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1101 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1102 updatePrivacyIcons(true);
1104 // Reload the WebView.
1105 mainWebView.reload();
1108 case R.id.clearCookies:
1109 if (Build.VERSION.SDK_INT < 21) {
1110 cookieManager.removeAllCookie();
1112 cookieManager.removeAllCookies(null);
1114 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
1117 case R.id.clearDomStorage:
1118 WebStorage webStorage = WebStorage.getInstance();
1119 webStorage.deleteAllData();
1120 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
1123 case R.id.clearFormData:
1124 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1125 mainWebViewDatabase.clearFormData();
1126 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
1129 case R.id.fontSizeFiftyPercent:
1130 mainWebView.getSettings().setTextZoom(50);
1133 case R.id.fontSizeSeventyFivePercent:
1134 mainWebView.getSettings().setTextZoom(75);
1137 case R.id.fontSizeOneHundredPercent:
1138 mainWebView.getSettings().setTextZoom(100);
1141 case R.id.fontSizeOneHundredTwentyFivePercent:
1142 mainWebView.getSettings().setTextZoom(125);
1145 case R.id.fontSizeOneHundredFiftyPercent:
1146 mainWebView.getSettings().setTextZoom(150);
1149 case R.id.fontSizeOneHundredSeventyFivePercent:
1150 mainWebView.getSettings().setTextZoom(175);
1153 case R.id.fontSizeTwoHundredPercent:
1154 mainWebView.getSettings().setTextZoom(200);
1158 Intent shareIntent = new Intent();
1159 shareIntent.setAction(Intent.ACTION_SEND);
1160 shareIntent.putExtra(Intent.EXTRA_TEXT, urlTextBox.getText().toString());
1161 shareIntent.setType("text/plain");
1162 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1165 case R.id.find_on_page:
1166 // Hide the URL app bar.
1167 supportAppBar.setVisibility(View.GONE);
1169 // Show the Find on Page `RelativeLayout`.
1170 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1172 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1173 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1174 findOnPageEditText.postDelayed(new Runnable()
1179 // Set the focus on `findOnPageEditText`.
1180 findOnPageEditText.requestFocus();
1182 // Display the keyboard.
1183 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1189 mainWebView.reload();
1193 // Get a `PrintManager` instance.
1194 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1196 // Convert `mainWebView` to `printDocumentAdapter`.
1197 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1199 // Print the document. The print attributes are `null`.
1200 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1203 case R.id.addToHomescreen:
1204 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1205 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1206 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1208 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1212 // Don't consume the event.
1213 return super.onOptionsItemSelected(menuItem);
1217 // removeAllCookies is deprecated, but it is required for API < 21.
1218 @SuppressWarnings("deprecation")
1220 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1221 int menuItemId = menuItem.getItemId();
1223 switch (menuItemId) {
1229 if (mainWebView.canGoBack()) {
1230 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1231 navigatingHistory = true;
1233 // Load the previous website in the history.
1234 mainWebView.goBack();
1239 if (mainWebView.canGoForward()) {
1240 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1241 navigatingHistory = true;
1243 // Load the next website in the history.
1244 mainWebView.goForward();
1249 // Gte the `WebBackForwardList`.
1250 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1252 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1253 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1254 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1257 case R.id.bookmarks:
1258 // Launch BookmarksActivity.
1259 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1260 startActivity(bookmarksIntent);
1263 case R.id.downloads:
1264 // Launch the system Download Manager.
1265 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1267 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1268 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1270 startActivity(downloadManagerIntent);
1274 // Launch `SettingsActivity`.
1275 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1276 startActivity(settingsIntent);
1280 // Launch `DomainsActivity`.
1281 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1282 startActivity(domainsIntent);
1286 // Launch `GuideActivity`.
1287 Intent guideIntent = new Intent(this, GuideActivity.class);
1288 startActivity(guideIntent);
1292 // Launch `AboutActivity`.
1293 Intent aboutIntent = new Intent(this, AboutActivity.class);
1294 startActivity(aboutIntent);
1297 case R.id.clearAndExit:
1298 // Clear cookies. The commands changed slightly in API 21.
1299 if (Build.VERSION.SDK_INT >= 21) {
1300 cookieManager.removeAllCookies(null);
1302 cookieManager.removeAllCookie();
1305 // Clear DOM storage.
1306 WebStorage domStorage = WebStorage.getInstance();
1307 domStorage.deleteAllData();
1310 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1311 webViewDatabase.clearFormData();
1313 // Clear cache. The argument of "true" includes disk files.
1314 mainWebView.clearCache(true);
1316 // Clear the back/forward history.
1317 mainWebView.clearHistory();
1319 // Clear any SSL certificate preferences.
1320 mainWebView.clearSslPreferences();
1322 // Clear `formattedUrlString`.
1323 formattedUrlString = null;
1325 // Clear `customHeaders`.
1326 customHeaders.clear();
1328 // Detach all views from `mainWebViewRelativeLayout`.
1329 mainWebViewRelativeLayout.removeAllViews();
1331 // Destroy the internal state of `mainWebView`.
1332 mainWebView.destroy();
1334 // Manually delete the `app_webview` folder, which contains an additional `WebView` cache. See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
1335 Runtime runtime = Runtime.getRuntime();
1336 String dataDirString = getApplicationInfo().dataDir; // `dataDir` will vary, but will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, which links to `/data/data/com.stoutner.privacybrowser.standard`.
1338 runtime.exec("rm -rf " + dataDirString + "/app_webview");
1339 } catch (IOException e) {
1340 // Do nothing if the files do not exist.
1343 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1344 if (Build.VERSION.SDK_INT >= 21) {
1345 finishAndRemoveTask();
1350 // Remove the terminated program from RAM. The status code is `0`.
1358 // Close the navigation drawer.
1359 drawerLayout.closeDrawer(GravityCompat.START);
1364 public void onPostCreate(Bundle savedInstanceState) {
1365 super.onPostCreate(savedInstanceState);
1367 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1368 drawerToggle.syncState();
1372 public void onConfigurationChanged(Configuration newConfig) {
1373 super.onConfigurationChanged(newConfig);
1375 // Reload the ad for the free flavor if we are not in full screen mode.
1376 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1378 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1380 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1381 adView = findViewById(R.id.adview);
1384 // `invalidateOptionsMenu` should recalculate the number of action buttons from the menu to display on the app bar, but it doesn't because of the this bug: https://code.google.com/p/android/issues/detail?id=20493#c8
1385 // ActivityCompat.invalidateOptionsMenu(this);
1389 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1390 // Store the `HitTestResult`.
1391 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1394 final String imageUrl;
1395 final String linkUrl;
1397 // Get a handle for the `ClipboardManager`.
1398 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1400 switch (hitTestResult.getType()) {
1401 // `SRC_ANCHOR_TYPE` is a link.
1402 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1403 // Get the target URL.
1404 linkUrl = hitTestResult.getExtra();
1406 // Set the target URL as the title of the `ContextMenu`.
1407 menu.setHeaderTitle(linkUrl);
1409 // Add a `Load URL` entry.
1410 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1412 public boolean onMenuItemClick(MenuItem item) {
1418 // Add a `Copy URL` entry.
1419 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1421 public boolean onMenuItemClick(MenuItem item) {
1422 // Save the link URL in a `ClipData`.
1423 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1425 // Set the `ClipData` as the clipboard's primary clip.
1426 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1431 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1432 menu.add(R.string.cancel);
1435 case WebView.HitTestResult.EMAIL_TYPE:
1436 // Get the target URL.
1437 linkUrl = hitTestResult.getExtra();
1439 // Set the target URL as the title of the `ContextMenu`.
1440 menu.setHeaderTitle(linkUrl);
1442 // Add a `Write Email` entry.
1443 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1445 public boolean onMenuItemClick(MenuItem item) {
1446 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1447 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1449 // Parse the url and set it as the data for the `Intent`.
1450 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1452 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1453 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1456 startActivity(emailIntent);
1461 // Add a `Copy Email Address` entry.
1462 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1464 public boolean onMenuItemClick(MenuItem item) {
1465 // Save the email address in a `ClipData`.
1466 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1468 // Set the `ClipData` as the clipboard's primary clip.
1469 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1474 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1475 menu.add(R.string.cancel);
1478 // `IMAGE_TYPE` is an image.
1479 case WebView.HitTestResult.IMAGE_TYPE:
1480 // Get the image URL.
1481 imageUrl = hitTestResult.getExtra();
1483 // Set the image URL as the title of the `ContextMenu`.
1484 menu.setHeaderTitle(imageUrl);
1486 // Add a `View Image` entry.
1487 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1489 public boolean onMenuItemClick(MenuItem item) {
1495 // Add a `Download Image` entry.
1496 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1498 public boolean onMenuItemClick(MenuItem item) {
1499 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1500 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1501 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1506 // Add a `Copy URL` entry.
1507 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1509 public boolean onMenuItemClick(MenuItem item) {
1510 // Save the image URL in a `ClipData`.
1511 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1513 // Set the `ClipData` as the clipboard's primary clip.
1514 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1519 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1520 menu.add(R.string.cancel);
1524 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1525 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1526 // Get the image URL.
1527 imageUrl = hitTestResult.getExtra();
1529 // Set the image URL as the title of the `ContextMenu`.
1530 menu.setHeaderTitle(imageUrl);
1532 // Add a `View Image` entry.
1533 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1535 public boolean onMenuItemClick(MenuItem item) {
1541 // Add a `Download Image` entry.
1542 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1544 public boolean onMenuItemClick(MenuItem item) {
1545 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1546 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1547 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1552 // Add a `Copy URL` entry.
1553 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1555 public boolean onMenuItemClick(MenuItem item) {
1556 // Save the image URL in a `ClipData`.
1557 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1559 // Set the `ClipData` as the clipboard's primary clip.
1560 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1565 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1566 menu.add(R.string.cancel);
1572 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1573 // Get shortcutNameEditText from the alert dialog.
1574 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1576 // Create the bookmark shortcut based on formattedUrlString.
1577 Intent bookmarkShortcut = new Intent();
1578 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1579 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1581 // Place the bookmark shortcut on the home screen.
1582 Intent placeBookmarkShortcut = new Intent();
1583 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1584 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1585 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIcon);
1586 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1587 sendBroadcast(placeBookmarkShortcut);
1591 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1592 // Download the image if it has an HTTP or HTTPS URI.
1593 if (imageUrl.startsWith("http")) {
1594 // Get a handle for the system `DOWNLOAD_SERVICE`.
1595 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1597 // Parse `imageUrl`.
1598 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1600 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1601 if (firstPartyCookiesEnabled) {
1602 // Get the cookies for `imageUrl`.
1603 String cookies = cookieManager.getCookie(imageUrl);
1605 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1606 downloadRequest.addRequestHeader("Cookie", cookies);
1609 // Get the file name from `dialogFragment`.
1610 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1611 String imageName = downloadImageNameEditText.getText().toString();
1613 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1614 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1615 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1616 } else { // Only set the title using `imageName`.
1617 downloadRequest.setTitle(imageName);
1620 // Allow `MediaScanner` to index the download if it is a media file.
1621 downloadRequest.allowScanningByMediaScanner();
1623 // Add the URL as the description for the download.
1624 downloadRequest.setDescription(imageUrl);
1626 // Show the download notification after the download is completed.
1627 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1629 // Initiate the download.
1630 downloadManager.enqueue(downloadRequest);
1631 } else { // The image is not an HTTP or HTTPS URI.
1632 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
1637 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
1638 // Download the file if it has an HTTP or HTTPS URI.
1639 if (downloadUrl.startsWith("http")) {
1641 // Get a handle for the system `DOWNLOAD_SERVICE`.
1642 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1644 // Parse `downloadUrl`.
1645 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
1647 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
1648 if (firstPartyCookiesEnabled) {
1649 // Get the cookies for `downloadUrl`.
1650 String cookies = cookieManager.getCookie(downloadUrl);
1652 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1653 downloadRequest.addRequestHeader("Cookie", cookies);
1656 // Get the file name from `dialogFragment`.
1657 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
1658 String fileName = downloadFileNameEditText.getText().toString();
1660 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1661 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
1662 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
1663 } else { // Only set the title using `fileName`.
1664 downloadRequest.setTitle(fileName);
1667 // Allow `MediaScanner` to index the download if it is a media file.
1668 downloadRequest.allowScanningByMediaScanner();
1670 // Add the URL as the description for the download.
1671 downloadRequest.setDescription(downloadUrl);
1673 // Show the download notification after the download is completed.
1674 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1676 // Initiate the download.
1677 downloadManager.enqueue(downloadRequest);
1678 } else { // The download is not an HTTP or HTTPS URI.
1679 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
1683 public void viewSslCertificate(View view) {
1684 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
1685 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
1686 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
1690 public void onSslErrorCancel() {
1691 sslErrorHandler.cancel();
1695 public void onSslErrorProceed() {
1696 sslErrorHandler.proceed();
1700 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
1701 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1702 navigatingHistory = true;
1704 // Load the history entry.
1705 mainWebView.goBackOrForward(moveBackOrForwardSteps);
1709 public void onClearHistory() {
1710 // Clear the history.
1711 mainWebView.clearHistory();
1714 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
1716 public void onBackPressed() {
1717 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
1718 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1719 drawerLayout.closeDrawer(GravityCompat.START);
1721 // Load the previous URL if available.
1722 if (mainWebView.canGoBack()) {
1723 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1724 navigatingHistory = true;
1727 mainWebView.goBack();
1729 // Pass `onBackPressed()` to the system.
1730 super.onBackPressed();
1736 public void onPause() {
1737 // Pause `mainWebView`.
1738 mainWebView.onPause();
1740 // Stop all JavaScript.
1741 mainWebView.pauseTimers();
1743 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1744 if (BuildConfig.FLAVOR.contentEquals("free")) {
1745 BannerAd.pauseAd(adView);
1752 public void onResume() {
1755 // Resume JavaScript (if enabled).
1756 mainWebView.resumeTimers();
1758 // Resume `mainWebView`.
1759 mainWebView.onResume();
1761 // Resume the adView for the free flavor.
1762 if (BuildConfig.FLAVOR.contentEquals("free")) {
1763 BannerAd.resumeAd(adView);
1768 public void onRestart() {
1771 // Apply the settings from shared preferences, which might have been changed in `SettingsActivity`.
1774 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1775 updatePrivacyIcons(true);
1779 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
1780 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
1781 String unformattedUrlString = urlTextBox.getText().toString().trim();
1783 URL unformattedUrl = null;
1784 Uri.Builder formattedUri = new Uri.Builder();
1786 // Check to see if unformattedUrlString is a valid URL. Otherwise, convert it into a Duck Duck Go search.
1787 if (Patterns.WEB_URL.matcher(unformattedUrlString).matches()) {
1788 // Add http:// at the beginning if it is missing. Otherwise the app will segfault.
1789 if (!unformattedUrlString.startsWith("http")) {
1790 unformattedUrlString = "http://" + unformattedUrlString;
1793 // Convert unformattedUrlString to a URL, then to a URI, and then back to a string, which sanitizes the input and adds in any missing components.
1795 unformattedUrl = new URL(unformattedUrlString);
1796 } catch (MalformedURLException e) {
1797 e.printStackTrace();
1800 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if .get was called on a null value.
1801 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
1802 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
1803 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
1804 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
1805 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
1807 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
1808 formattedUrlString = formattedUri.build().toString();
1810 // Sanitize the search input and convert it to a DuckDuckGo search.
1811 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
1813 // Use the correct search URL.
1814 if (javaScriptEnabled) { // JavaScript is enabled.
1815 formattedUrlString = javaScriptEnabledSearchURL + encodedUrlString;
1816 } else { // JavaScript is disabled.
1817 formattedUrlString = javaScriptDisabledSearchURL + encodedUrlString;
1821 loadUrl(formattedUrlString);
1823 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1824 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1828 private void loadUrl(String url) {
1829 // Apply any custom domain settings.
1830 applyDomainSettings(url);
1833 mainWebView.loadUrl(url, customHeaders);
1836 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
1837 @SuppressWarnings("deprecation")
1838 private void applyDomainSettings(String url) {
1839 // Parse the URL into a URI.
1840 Uri uri = Uri.parse(url);
1842 // Extract the domain from `uri`.
1843 String hostname = uri.getHost();
1845 // Only apply the domain settings if `hostname` is not the same as `currentDomain`. This allows the user to set temporary settings for JavaScript, Cookies, DOM Storage, etc.
1846 if (!hostname.equals(currentDomain)) {
1847 // Set the new `hostname` as the `currentDomain`.
1848 currentDomain = hostname;
1850 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
1851 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
1852 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
1854 // Get a full cursor from `domainsDatabaseHelper`.
1855 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
1857 // Initialize `domainSettingsSet`.
1858 Set<String> domainSettingsSet = new HashSet<>();
1860 // Get the domain name column index.
1861 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
1863 // Populate `domainSettingsSet`.
1864 for (int i = 0; i < domainNameCursor.getCount(); i++) {
1865 // Move `domainsCursor` to the current row.
1866 domainNameCursor.moveToPosition(i);
1868 // Store the domain name in `domainSettingsSet`.
1869 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
1872 // Close `domainNameCursor.
1873 domainNameCursor.close();
1875 // Initialize variables to track if this domain has stored domain settings, and if so, under which name.
1876 boolean hostHasDomainSettings = false;
1877 String domainNameInDatabase = null;
1879 // Check the hostname.
1880 if (domainSettingsSet.contains(hostname)) {
1881 hostHasDomainSettings = true;
1882 domainNameInDatabase = hostname;
1885 // Check all the subdomains of `hostname` against wildcard domains in `domainCursor`.
1886 while (hostname.contains(".") && !hostHasDomainSettings) { // Stop checking if we run out of `.` or if we already know that `hostHasDomainSettings` is `true`.
1887 if (domainSettingsSet.contains("*." + hostname)) { // Check the host name prepended by `*.`.
1888 hostHasDomainSettings = true;
1889 domainNameInDatabase = "*." + hostname;
1892 // Strip out the lowest subdomain of `host`.
1893 hostname = hostname.substring(hostname.indexOf(".") + 1);
1896 RelativeLayout urlAppBarRelativeLayout = (RelativeLayout) findViewById(R.id.url_app_bar_relativelayout);
1898 if (hostHasDomainSettings) { // The url we are loading has custom domain settings.
1899 // Get a cursor for the current host and move it to the first position.
1900 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
1901 currentHostDomainSettingsCursor.moveToFirst();
1903 // Get the settings from the cursor.
1904 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
1905 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
1906 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
1907 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
1908 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
1909 String userAgentString = (currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
1910 int fontSize = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
1912 // Close `currentHostDomainSettingsCursor`.
1913 currentHostDomainSettingsCursor.close();
1915 // Apply the domain settings.
1916 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1917 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1918 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1919 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1920 mainWebView.getSettings().setTextZoom(fontSize);
1922 // Set third-party cookies status if API >= 21.
1923 if (Build.VERSION.SDK_INT >= 21) {
1924 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1927 // Set the user agent.
1928 if (userAgentString.equals("WebView default user agent")) {
1929 // Set the user agent to `""`, which uses the default value.
1930 mainWebView.getSettings().setUserAgentString("");
1932 // Use the selected user agent.
1933 mainWebView.getSettings().setUserAgentString(userAgentString);
1936 // Set a green background on `urlTextBox` to indicate that custom domain settings are being used. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
1937 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
1938 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
1939 // Get the shared preference values. `this` references the current context.
1940 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1942 // Store the values from `sharedPreferences` in variables.
1943 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
1944 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
1945 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
1946 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
1947 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
1948 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
1949 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
1950 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
1952 // Apply the default settings.
1953 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1954 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1955 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1956 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1957 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
1959 // Set third-party cookies status if API >= 21.
1960 if (Build.VERSION.SDK_INT >= 21) {
1961 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1964 // Set the default user agent.
1965 switch (userAgentString) {
1966 case "WebView default user agent":
1967 // Set the user agent to `""`, which uses the default value.
1968 mainWebView.getSettings().setUserAgentString("");
1971 case "Custom user agent":
1972 // Set the custom user agent.
1973 mainWebView.getSettings().setUserAgentString(customUserAgentString);
1977 // Use the selected user agent.
1978 mainWebView.getSettings().setUserAgentString(userAgentString);
1982 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
1983 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
1986 // Close `domainsDatabaseHelper`.
1987 domainsDatabaseHelper.close();
1989 // Update the privacy icons, but only if `mainMenu` has already been populated.
1990 if (mainMenu != null) {
1991 updatePrivacyIcons(true);
1996 public void findPreviousOnPage(View view) {
1997 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
1998 mainWebView.findNext(false);
2001 public void findNextOnPage(View view) {
2002 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2003 mainWebView.findNext(true);
2006 public void closeFindOnPage(View view) {
2007 // Delete the contents of `find_on_page_edittext`.
2008 findOnPageEditText.setText(null);
2010 // Clear the highlighted phrases.
2011 mainWebView.clearMatches();
2013 // Hide the Find on Page `RelativeLayout`.
2014 findOnPageLinearLayout.setVisibility(View.GONE);
2016 // Show the URL app bar.
2017 supportAppBar.setVisibility(View.VISIBLE);
2019 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2020 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2023 private void applyAppSettings() {
2024 // Get the shared preference values. `this` references the current context.
2025 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2027 // Store the values from `sharedPreferences` in variables.
2028 String javaScriptDisabledSearchString = sharedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q=");
2029 String javaScriptDisabledSearchCustomURLString = sharedPreferences.getString("javascript_disabled_search_custom_url", "");
2030 String javaScriptEnabledSearchString = sharedPreferences.getString("javascript_enabled_search", "https://duckduckgo.com/?q=");
2031 String javaScriptEnabledSearchCustomURLString = sharedPreferences.getString("javascript_enabled_search_custom_url", "");
2032 String homepageString = sharedPreferences.getString("homepage", "https://www.duckduckgo.com");
2033 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2034 String torJavaScriptDisabledSearchString = sharedPreferences.getString("tor_javascript_disabled_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2035 String torJavaScriptDisabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_disabled_search_custom_url", "");
2036 String torJavaScriptEnabledSearchString = sharedPreferences.getString("tor_javascript_enabled_search", "https://3g2upl4pq6kufc4m.onion/?q=");
2037 String torJavaScriptEnabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_enabled_search_custom_url", "");
2038 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh_enabled", false);
2039 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2040 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2041 proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2042 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("enable_full_screen_browsing_mode", false);
2043 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2044 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2046 // Set the homepage, search, and proxy options.
2047 if (proxyThroughOrbot) { // Set the Tor options.
2048 // Set `torHomepageString` as `homepage`.
2049 homepage = torHomepageString;
2051 // If formattedUrlString is null assign the homepage to it.
2052 if (formattedUrlString == null) {
2053 formattedUrlString = homepage;
2056 // Set JavaScript disabled search.
2057 if (torJavaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2058 javaScriptDisabledSearchURL = torJavaScriptDisabledSearchCustomURLString;
2059 } else { // Use the string from the pre-built list.
2060 javaScriptDisabledSearchURL = torJavaScriptDisabledSearchString;
2063 // Set JavaScript enabled search.
2064 if (torJavaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2065 javaScriptEnabledSearchURL = torJavaScriptEnabledSearchCustomURLString;
2066 } else { // Use the string from the pre-built list.
2067 javaScriptEnabledSearchURL = torJavaScriptEnabledSearchString;
2070 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2071 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2073 // Display a message to the user if we are waiting on Orbot.
2074 if (!orbotStatus.equals("ON")) {
2075 // Save `formattedUrlString` in `pendingUrl`.
2076 pendingUrl = formattedUrlString;
2078 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2079 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2081 } else { // Set the non-Tor options.
2082 // Set `homepageString` as `homepage`.
2083 homepage = homepageString;
2085 // If formattedUrlString is null assign the homepage to it.
2086 if (formattedUrlString == null) {
2087 formattedUrlString = homepage;
2090 // Set JavaScript disabled search.
2091 if (javaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2092 javaScriptDisabledSearchURL = javaScriptDisabledSearchCustomURLString;
2093 } else { // Use the string from the pre-built list.
2094 javaScriptDisabledSearchURL = javaScriptDisabledSearchString;
2097 // Set JavaScript enabled search.
2098 if (javaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2099 javaScriptEnabledSearchURL = javaScriptEnabledSearchCustomURLString;
2100 } else { // Use the string from the pre-built list.
2101 javaScriptEnabledSearchURL = javaScriptEnabledSearchString;
2104 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2105 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2107 // Reset `pendingUrl` if we are currently waiting for Orbot to connect.
2108 if (!pendingUrl.isEmpty()) {
2109 formattedUrlString = pendingUrl;
2114 // Set swipe to refresh.
2115 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2117 // Set Do Not Track status.
2118 if (doNotTrackEnabled) {
2119 customHeaders.put("DNT", "1");
2121 customHeaders.remove("DNT");
2124 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2125 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2126 if (hideSystemBarsOnFullscreen) { // Hide everything.
2127 // Remove the translucent navigation setting if it is currently flagged.
2128 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2130 // Remove the translucent status bar overlay.
2131 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2133 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2134 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2136 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2137 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2138 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2140 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2141 } else { // Hide everything except the status and navigation bars.
2142 // Add the translucent status flag if it is unset.
2143 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2145 if (translucentNavigationBarOnFullscreen) {
2146 // Set the navigation bar to be translucent.
2147 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2149 // Set the navigation bar to be black.
2150 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2153 } else { // Switch to normal viewing mode.
2154 // Reset `inFullScreenBrowsingMode` to `false`.
2155 inFullScreenBrowsingMode = false;
2157 // Show the `appBar`.
2160 // Show the `BannerAd` in the free flavor.
2161 if (BuildConfig.FLAVOR.contentEquals("free")) {
2162 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2163 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2165 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2166 adView = findViewById(R.id.adview);
2169 // Remove the translucent navigation bar flag if it is set.
2170 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2172 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2173 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2175 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2176 rootCoordinatorLayout.setSystemUiVisibility(0);
2178 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2179 rootCoordinatorLayout.setFitsSystemWindows(true);
2183 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2184 // Get handles for the icons.
2185 MenuItem privacyIcon = mainMenu.findItem(R.id.toggleJavaScript);
2186 MenuItem firstPartyCookiesIcon = mainMenu.findItem(R.id.toggleFirstPartyCookies);
2187 MenuItem domStorageIcon = mainMenu.findItem(R.id.toggleDomStorage);
2188 MenuItem formDataIcon = mainMenu.findItem(R.id.toggleSaveFormData);
2190 // Update `privacyIcon`.
2191 if (javaScriptEnabled) { // JavaScript is enabled.
2192 privacyIcon.setIcon(R.drawable.javascript_enabled);
2193 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2194 privacyIcon.setIcon(R.drawable.warning);
2195 } else { // All the dangerous features are disabled.
2196 privacyIcon.setIcon(R.drawable.privacy_mode);
2199 // Update `firstPartyCookiesIcon`.
2200 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2201 firstPartyCookiesIcon.setIcon(R.drawable.cookies_enabled);
2202 } else { // First-party cookies are disabled.
2203 firstPartyCookiesIcon.setIcon(R.drawable.cookies_disabled);
2206 // Update `domStorageIcon`.
2207 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2208 domStorageIcon.setIcon(R.drawable.dom_storage_enabled);
2209 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2210 domStorageIcon.setIcon(R.drawable.dom_storage_disabled);
2211 } else { // JavaScript is disabled, so DOM storage is ghosted.
2212 domStorageIcon.setIcon(R.drawable.dom_storage_ghosted);
2215 // Update `formDataIcon`.
2216 if (saveFormDataEnabled) { // Form data is enabled.
2217 formDataIcon.setIcon(R.drawable.form_data_enabled);
2218 } else { // Form data is disabled.
2219 formDataIcon.setIcon(R.drawable.form_data_disabled);
2222 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2223 if (runInvalidateOptionsMenu) {
2224 ActivityCompat.invalidateOptionsMenu(this);