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.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 favoriteIcon, urlTextBar, and progressBar.
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.urlTextBox);
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.mainWebView);
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.swipeRefreshLayout);
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 mainWebView.setWebChromeClient(new WebChromeClient() {
669 // Update the progress bar when a page is loading.
671 public void onProgressChanged(WebView view, int progress) {
672 ProgressBar progressBar = (ProgressBar) appBar.getCustomView().findViewById(R.id.progressBar);
673 progressBar.setProgress(progress);
674 if (progress < 100) {
675 progressBar.setVisibility(View.VISIBLE);
677 progressBar.setVisibility(View.GONE);
679 //Stop the `SwipeToRefresh` indicator if it is running
680 swipeRefreshLayout.setRefreshing(false);
684 // Set the favorite icon when it changes.
686 public void onReceivedIcon(WebView view, Bitmap icon) {
687 // Save a copy of the favorite icon.
690 // Place the favorite icon in the appBar.
691 ImageView imageViewFavoriteIcon = (ImageView) appBar.getCustomView().findViewById(R.id.favoriteIcon);
692 imageViewFavoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
695 // Save a copy of the title when it changes.
697 public void onReceivedTitle(WebView view, String title) {
698 // Save a copy of the title.
699 webViewTitle = title;
702 // Enter full screen video
704 public void onShowCustomView(View view, CustomViewCallback callback) {
705 // Pause the ad if this is the free flavor.
706 if (BuildConfig.FLAVOR.contentEquals("free")) {
707 BannerAd.pauseAd(adView);
710 // Remove the translucent overlays.
711 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
713 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
714 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
716 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
717 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
718 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
720 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
722 // Set `rootCoordinatorLayout` to fill the entire screen.
723 rootCoordinatorLayout.setFitsSystemWindows(false);
725 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
726 fullScreenVideoFrameLayout.addView(view);
727 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
730 // Exit full screen video
731 public void onHideCustomView() {
732 // Hide `fullScreenVideoFrameLayout`.
733 fullScreenVideoFrameLayout.removeAllViews();
734 fullScreenVideoFrameLayout.setVisibility(View.GONE);
736 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
737 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
739 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
740 rootCoordinatorLayout.setFitsSystemWindows(true);
742 // Show the ad if this is the free flavor.
743 if (BuildConfig.FLAVOR.contentEquals("free")) {
744 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
745 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
747 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
748 adView = findViewById(R.id.adView);
753 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
754 registerForContextMenu(mainWebView);
756 // Allow the downloading of files.
757 mainWebView.setDownloadListener(new DownloadListener() {
759 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
760 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
761 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
762 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
766 // Allow pinch to zoom.
767 mainWebView.getSettings().setBuiltInZoomControls(true);
769 // Hide zoom controls.
770 mainWebView.getSettings().setDisplayZoomControls(false);
772 // Initialize cookieManager.
773 cookieManager = CookieManager.getInstance();
775 // 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).
776 customHeaders.put("X-Requested-With", "");
778 // 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.
779 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
781 // Get the intent that started the app.
782 final Intent launchingIntent = getIntent();
784 // Extract the launching intent data as `launchingIntentUriData`.
785 final Uri launchingIntentUriData = launchingIntent.getData();
787 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
788 if (launchingIntentUriData != null) {
789 formattedUrlString = launchingIntentUriData.toString();
792 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
793 inFullScreenBrowsingMode = false;
795 // Initialize AdView for the free flavor.
796 adView = findViewById(R.id.adView);
798 // Initialize the privacy settings variables.
799 javaScriptEnabled = false;
800 firstPartyCookiesEnabled = false;
801 thirdPartyCookiesEnabled = false;
802 domStorageEnabled = false;
803 saveFormDataEnabled = false;
805 // Apply the app settings from the shared preferences.
808 // Load `formattedUrlString` if we are not proxying through Orbot and waiting for Orbot to connect.
809 if (!(proxyThroughOrbot && !orbotStatus.equals("ON"))) {
810 loadUrl(formattedUrlString);
813 // If the favorite icon is null, load the default.
814 if (favoriteIcon == null) {
815 // We have to use `ContextCompat` until API >= 21.
816 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
817 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
818 favoriteIcon = favoriteIconBitmapDrawable.getBitmap();
824 protected void onNewIntent(Intent intent) {
825 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
828 if (intent.getData() != null) {
829 // Get the intent data and convert it to a string.
830 final Uri intentUriData = intent.getData();
831 formattedUrlString = intentUriData.toString();
834 // Close the navigation drawer if it is open.
835 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
836 drawerLayout.closeDrawer(GravityCompat.START);
840 loadUrl(formattedUrlString);
842 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
843 mainWebView.requestFocus();
847 public boolean onCreateOptionsMenu(Menu menu) {
848 // Inflate the menu; this adds items to the action bar if it is present.
849 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
851 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
854 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
855 updatePrivacyIcons(false);
857 // Get handles for the menu items.
858 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
859 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
860 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
861 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
863 // Only display third-party cookies if SDK >= 21
864 toggleThirdPartyCookies.setVisible(Build.VERSION.SDK_INT >= 21);
866 // Get the shared preference values. `this` references the current context.
867 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
869 // Set the status of the additional app bar icons. The default is `false`.
870 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
871 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
872 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
873 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
874 } else { //Do not display the additional icons.
875 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
876 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
877 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
884 public boolean onPrepareOptionsMenu(Menu menu) {
885 // Get handles for the menu items.
886 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
887 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
888 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
889 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
890 MenuItem clearCookies = menu.findItem(R.id.clearCookies);
891 MenuItem clearFormData = menu.findItem(R.id.clearFormData);
892 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
894 // Set the status of the menu item checkboxes.
895 toggleFirstPartyCookies.setChecked(firstPartyCookiesEnabled);
896 toggleThirdPartyCookies.setChecked(thirdPartyCookiesEnabled);
897 toggleDomStorage.setChecked(domStorageEnabled);
898 toggleSaveFormData.setChecked(saveFormDataEnabled);
900 // Enable third-party cookies if first-party cookies are enabled.
901 toggleThirdPartyCookies.setEnabled(firstPartyCookiesEnabled);
903 // Enable DOM Storage if JavaScript is enabled.
904 toggleDomStorage.setEnabled(javaScriptEnabled);
906 // Enable Clear Cookies if there are any.
907 clearCookies.setEnabled(cookieManager.hasCookies());
909 // Enable Clear Form Data is there is any.
910 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
911 clearFormData.setEnabled(mainWebViewDatabase.hasFormData());
913 // Only show `Refresh` if `swipeToRefresh` is disabled.
914 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
916 // Initialize font size variables.
917 int fontSize = mainWebView.getSettings().getTextZoom();
918 String fontSizeTitle;
919 MenuItem selectedFontSizeMenuItem;
921 // Prepare the font size title and current size menu item.
924 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
925 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeFiftyPercent);
929 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
930 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeSeventyFivePercent);
934 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
935 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
939 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
940 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredTwentyFivePercent);
944 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
945 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredFiftyPercent);
949 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
950 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredSeventyFivePercent);
954 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
955 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeTwoHundredPercent);
959 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
960 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
964 // Set the font size title and select the current size menu item.
965 MenuItem fontSizeMenuItem = menu.findItem(R.id.fontSize);
966 fontSizeMenuItem.setTitle(fontSizeTitle);
967 selectedFontSizeMenuItem.setChecked(true);
969 // Run all the other default commands.
970 super.onPrepareOptionsMenu(menu);
972 // `return true` displays the menu.
977 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
978 @SuppressLint("SetJavaScriptEnabled")
979 // removeAllCookies is deprecated, but it is required for API < 21.
980 @SuppressWarnings("deprecation")
981 public boolean onOptionsItemSelected(MenuItem menuItem) {
982 int menuItemId = menuItem.getItemId();
984 // Set the commands that relate to the menu entries.
985 switch (menuItemId) {
986 case R.id.toggleJavaScript:
987 // Switch the status of javaScriptEnabled.
988 javaScriptEnabled = !javaScriptEnabled;
990 // Apply the new JavaScript status.
991 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
993 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
994 updatePrivacyIcons(true);
996 // Display a `Snackbar`.
997 if (javaScriptEnabled) { // JavaScrip is enabled.
998 Snackbar.make(findViewById(R.id.mainWebView), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
999 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1000 Snackbar.make(findViewById(R.id.mainWebView), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1001 } else { // Privacy mode.
1002 Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1005 // Reload the WebView.
1006 mainWebView.reload();
1009 case R.id.toggleFirstPartyCookies:
1010 // Switch the status of firstPartyCookiesEnabled.
1011 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1013 // Update the menu checkbox.
1014 menuItem.setChecked(firstPartyCookiesEnabled);
1016 // Apply the new cookie status.
1017 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1019 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1020 updatePrivacyIcons(true);
1022 // Display a `Snackbar`.
1023 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1024 Snackbar.make(findViewById(R.id.mainWebView), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1025 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1026 Snackbar.make(findViewById(R.id.mainWebView), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1027 } else { // Privacy mode.
1028 Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1031 // Reload the WebView.
1032 mainWebView.reload();
1035 case R.id.toggleThirdPartyCookies:
1036 if (Build.VERSION.SDK_INT >= 21) {
1037 // Switch the status of thirdPartyCookiesEnabled.
1038 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1040 // Update the menu checkbox.
1041 menuItem.setChecked(thirdPartyCookiesEnabled);
1043 // Apply the new cookie status.
1044 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1046 // Display a `Snackbar`.
1047 if (thirdPartyCookiesEnabled) {
1048 Snackbar.make(findViewById(R.id.mainWebView), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1050 Snackbar.make(findViewById(R.id.mainWebView), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1053 // Reload the WebView.
1054 mainWebView.reload();
1055 } // Else do nothing because SDK < 21.
1058 case R.id.toggleDomStorage:
1059 // Switch the status of domStorageEnabled.
1060 domStorageEnabled = !domStorageEnabled;
1062 // Update the menu checkbox.
1063 menuItem.setChecked(domStorageEnabled);
1065 // Apply the new DOM Storage status.
1066 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1068 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1069 updatePrivacyIcons(true);
1071 // Display a `Snackbar`.
1072 if (domStorageEnabled) {
1073 Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1075 Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1078 // Reload the WebView.
1079 mainWebView.reload();
1082 case R.id.toggleSaveFormData:
1083 // Switch the status of saveFormDataEnabled.
1084 saveFormDataEnabled = !saveFormDataEnabled;
1086 // Update the menu checkbox.
1087 menuItem.setChecked(saveFormDataEnabled);
1089 // Apply the new form data status.
1090 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1092 // Display a `Snackbar`.
1093 if (saveFormDataEnabled) {
1094 Snackbar.make(findViewById(R.id.mainWebView), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1096 Snackbar.make(findViewById(R.id.mainWebView), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1099 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1100 updatePrivacyIcons(true);
1102 // Reload the WebView.
1103 mainWebView.reload();
1106 case R.id.clearCookies:
1107 if (Build.VERSION.SDK_INT < 21) {
1108 cookieManager.removeAllCookie();
1110 cookieManager.removeAllCookies(null);
1112 Snackbar.make(findViewById(R.id.mainWebView), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
1115 case R.id.clearDomStorage:
1116 WebStorage webStorage = WebStorage.getInstance();
1117 webStorage.deleteAllData();
1118 Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
1121 case R.id.clearFormData:
1122 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1123 mainWebViewDatabase.clearFormData();
1124 Snackbar.make(findViewById(R.id.mainWebView), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
1127 case R.id.fontSizeFiftyPercent:
1128 mainWebView.getSettings().setTextZoom(50);
1131 case R.id.fontSizeSeventyFivePercent:
1132 mainWebView.getSettings().setTextZoom(75);
1135 case R.id.fontSizeOneHundredPercent:
1136 mainWebView.getSettings().setTextZoom(100);
1139 case R.id.fontSizeOneHundredTwentyFivePercent:
1140 mainWebView.getSettings().setTextZoom(125);
1143 case R.id.fontSizeOneHundredFiftyPercent:
1144 mainWebView.getSettings().setTextZoom(150);
1147 case R.id.fontSizeOneHundredSeventyFivePercent:
1148 mainWebView.getSettings().setTextZoom(175);
1151 case R.id.fontSizeTwoHundredPercent:
1152 mainWebView.getSettings().setTextZoom(200);
1156 Intent shareIntent = new Intent();
1157 shareIntent.setAction(Intent.ACTION_SEND);
1158 shareIntent.putExtra(Intent.EXTRA_TEXT, urlTextBox.getText().toString());
1159 shareIntent.setType("text/plain");
1160 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1163 case R.id.find_on_page:
1164 // Hide the URL app bar.
1165 supportAppBar.setVisibility(View.GONE);
1167 // Show the Find on Page `RelativeLayout`.
1168 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1170 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1171 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1172 findOnPageEditText.postDelayed(new Runnable()
1177 // Set the focus on `findOnPageEditText`.
1178 findOnPageEditText.requestFocus();
1180 // Display the keyboard.
1181 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1187 mainWebView.reload();
1191 // Get a `PrintManager` instance.
1192 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1194 // Convert `mainWebView` to `printDocumentAdapter`.
1195 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1197 // Print the document. The print attributes are `null`.
1198 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1201 case R.id.addToHomescreen:
1202 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1203 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1204 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1206 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1210 // Don't consume the event.
1211 return super.onOptionsItemSelected(menuItem);
1215 // removeAllCookies is deprecated, but it is required for API < 21.
1216 @SuppressWarnings("deprecation")
1218 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1219 int menuItemId = menuItem.getItemId();
1221 switch (menuItemId) {
1227 if (mainWebView.canGoBack()) {
1228 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1229 navigatingHistory = true;
1231 // Load the previous website in the history.
1232 mainWebView.goBack();
1237 if (mainWebView.canGoForward()) {
1238 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1239 navigatingHistory = true;
1241 // Load the next website in the history.
1242 mainWebView.goForward();
1247 // Gte the `WebBackForwardList`.
1248 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1250 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1251 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1252 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1255 case R.id.bookmarks:
1256 // Launch BookmarksActivity.
1257 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1258 startActivity(bookmarksIntent);
1261 case R.id.downloads:
1262 // Launch the system Download Manager.
1263 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1265 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1266 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1268 startActivity(downloadManagerIntent);
1272 // Launch `SettingsActivity`.
1273 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1274 startActivity(settingsIntent);
1278 // Launch `DomainsActivity`.
1279 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1280 startActivity(domainsIntent);
1284 // Launch `GuideActivity`.
1285 Intent guideIntent = new Intent(this, GuideActivity.class);
1286 startActivity(guideIntent);
1290 // Launch `AboutActivity`.
1291 Intent aboutIntent = new Intent(this, AboutActivity.class);
1292 startActivity(aboutIntent);
1295 case R.id.clearAndExit:
1296 // Clear cookies. The commands changed slightly in API 21.
1297 if (Build.VERSION.SDK_INT >= 21) {
1298 cookieManager.removeAllCookies(null);
1300 cookieManager.removeAllCookie();
1303 // Clear DOM storage.
1304 WebStorage domStorage = WebStorage.getInstance();
1305 domStorage.deleteAllData();
1308 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1309 webViewDatabase.clearFormData();
1311 // Clear cache. The argument of "true" includes disk files.
1312 mainWebView.clearCache(true);
1314 // Clear the back/forward history.
1315 mainWebView.clearHistory();
1317 // Clear any SSL certificate preferences.
1318 mainWebView.clearSslPreferences();
1320 // Clear `formattedUrlString`.
1321 formattedUrlString = null;
1323 // Clear `customHeaders`.
1324 customHeaders.clear();
1326 // Detach all views from `mainWebViewRelativeLayout`.
1327 mainWebViewRelativeLayout.removeAllViews();
1329 // Destroy the internal state of `mainWebView`.
1330 mainWebView.destroy();
1332 // 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`.
1333 Runtime runtime = Runtime.getRuntime();
1334 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`.
1336 runtime.exec("rm -rf " + dataDirString + "/app_webview");
1337 } catch (IOException e) {
1338 // Do nothing if the files do not exist.
1341 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1342 if (Build.VERSION.SDK_INT >= 21) {
1343 finishAndRemoveTask();
1348 // Remove the terminated program from RAM. The status code is `0`.
1356 // Close the navigation drawer.
1357 drawerLayout.closeDrawer(GravityCompat.START);
1362 public void onPostCreate(Bundle savedInstanceState) {
1363 super.onPostCreate(savedInstanceState);
1365 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1366 drawerToggle.syncState();
1370 public void onConfigurationChanged(Configuration newConfig) {
1371 super.onConfigurationChanged(newConfig);
1373 // Reload the ad for the free flavor if we are not in full screen mode.
1374 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1376 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1378 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1379 adView = findViewById(R.id.adView);
1382 // `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
1383 // ActivityCompat.invalidateOptionsMenu(this);
1387 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1388 // Store the `HitTestResult`.
1389 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1392 final String imageUrl;
1393 final String linkUrl;
1395 // Get a handle for the `ClipboardManager`.
1396 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1398 switch (hitTestResult.getType()) {
1399 // `SRC_ANCHOR_TYPE` is a link.
1400 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1401 // Get the target URL.
1402 linkUrl = hitTestResult.getExtra();
1404 // Set the target URL as the title of the `ContextMenu`.
1405 menu.setHeaderTitle(linkUrl);
1407 // Add a `Load URL` entry.
1408 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1410 public boolean onMenuItemClick(MenuItem item) {
1416 // Add a `Copy URL` entry.
1417 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1419 public boolean onMenuItemClick(MenuItem item) {
1420 // Save the link URL in a `ClipData`.
1421 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1423 // Set the `ClipData` as the clipboard's primary clip.
1424 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1429 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1430 menu.add(R.string.cancel);
1433 case WebView.HitTestResult.EMAIL_TYPE:
1434 // Get the target URL.
1435 linkUrl = hitTestResult.getExtra();
1437 // Set the target URL as the title of the `ContextMenu`.
1438 menu.setHeaderTitle(linkUrl);
1440 // Add a `Write Email` entry.
1441 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1443 public boolean onMenuItemClick(MenuItem item) {
1444 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1445 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1447 // Parse the url and set it as the data for the `Intent`.
1448 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1450 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1451 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1454 startActivity(emailIntent);
1459 // Add a `Copy Email Address` entry.
1460 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1462 public boolean onMenuItemClick(MenuItem item) {
1463 // Save the email address in a `ClipData`.
1464 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1466 // Set the `ClipData` as the clipboard's primary clip.
1467 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1472 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1473 menu.add(R.string.cancel);
1476 // `IMAGE_TYPE` is an image.
1477 case WebView.HitTestResult.IMAGE_TYPE:
1478 // Get the image URL.
1479 imageUrl = hitTestResult.getExtra();
1481 // Set the image URL as the title of the `ContextMenu`.
1482 menu.setHeaderTitle(imageUrl);
1484 // Add a `View Image` entry.
1485 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1487 public boolean onMenuItemClick(MenuItem item) {
1493 // Add a `Download Image` entry.
1494 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1496 public boolean onMenuItemClick(MenuItem item) {
1497 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1498 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1499 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1504 // Add a `Copy URL` entry.
1505 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1507 public boolean onMenuItemClick(MenuItem item) {
1508 // Save the image URL in a `ClipData`.
1509 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1511 // Set the `ClipData` as the clipboard's primary clip.
1512 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1517 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1518 menu.add(R.string.cancel);
1522 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1523 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1524 // Get the image URL.
1525 imageUrl = hitTestResult.getExtra();
1527 // Set the image URL as the title of the `ContextMenu`.
1528 menu.setHeaderTitle(imageUrl);
1530 // Add a `View Image` entry.
1531 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1533 public boolean onMenuItemClick(MenuItem item) {
1539 // Add a `Download Image` entry.
1540 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1542 public boolean onMenuItemClick(MenuItem item) {
1543 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1544 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1545 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1550 // Add a `Copy URL` entry.
1551 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1553 public boolean onMenuItemClick(MenuItem item) {
1554 // Save the image URL in a `ClipData`.
1555 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1557 // Set the `ClipData` as the clipboard's primary clip.
1558 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1563 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1564 menu.add(R.string.cancel);
1570 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1571 // Get shortcutNameEditText from the alert dialog.
1572 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1574 // Create the bookmark shortcut based on formattedUrlString.
1575 Intent bookmarkShortcut = new Intent();
1576 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1577 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1579 // Place the bookmark shortcut on the home screen.
1580 Intent placeBookmarkShortcut = new Intent();
1581 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1582 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1583 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIcon);
1584 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1585 sendBroadcast(placeBookmarkShortcut);
1589 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1590 // Download the image if it has an HTTP or HTTPS URI.
1591 if (imageUrl.startsWith("http")) {
1592 // Get a handle for the system `DOWNLOAD_SERVICE`.
1593 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1595 // Parse `imageUrl`.
1596 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1598 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1599 if (firstPartyCookiesEnabled) {
1600 // Get the cookies for `imageUrl`.
1601 String cookies = cookieManager.getCookie(imageUrl);
1603 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1604 downloadRequest.addRequestHeader("Cookie", cookies);
1607 // Get the file name from `dialogFragment`.
1608 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1609 String imageName = downloadImageNameEditText.getText().toString();
1611 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1612 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1613 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1614 } else { // Only set the title using `imageName`.
1615 downloadRequest.setTitle(imageName);
1618 // Allow `MediaScanner` to index the download if it is a media file.
1619 downloadRequest.allowScanningByMediaScanner();
1621 // Add the URL as the description for the download.
1622 downloadRequest.setDescription(imageUrl);
1624 // Show the download notification after the download is completed.
1625 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1627 // Initiate the download.
1628 downloadManager.enqueue(downloadRequest);
1629 } else { // The image is not an HTTP or HTTPS URI.
1630 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
1635 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
1636 // Download the file if it has an HTTP or HTTPS URI.
1637 if (downloadUrl.startsWith("http")) {
1639 // Get a handle for the system `DOWNLOAD_SERVICE`.
1640 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1642 // Parse `downloadUrl`.
1643 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
1645 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
1646 if (firstPartyCookiesEnabled) {
1647 // Get the cookies for `downloadUrl`.
1648 String cookies = cookieManager.getCookie(downloadUrl);
1650 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1651 downloadRequest.addRequestHeader("Cookie", cookies);
1654 // Get the file name from `dialogFragment`.
1655 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
1656 String fileName = downloadFileNameEditText.getText().toString();
1658 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1659 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
1660 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
1661 } else { // Only set the title using `fileName`.
1662 downloadRequest.setTitle(fileName);
1665 // Allow `MediaScanner` to index the download if it is a media file.
1666 downloadRequest.allowScanningByMediaScanner();
1668 // Add the URL as the description for the download.
1669 downloadRequest.setDescription(downloadUrl);
1671 // Show the download notification after the download is completed.
1672 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1674 // Initiate the download.
1675 downloadManager.enqueue(downloadRequest);
1676 } else { // The download is not an HTTP or HTTPS URI.
1677 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
1681 public void viewSslCertificate(View view) {
1682 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
1683 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
1684 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
1688 public void onSslErrorCancel() {
1689 sslErrorHandler.cancel();
1693 public void onSslErrorProceed() {
1694 sslErrorHandler.proceed();
1698 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
1699 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1700 navigatingHistory = true;
1702 // Load the history entry.
1703 mainWebView.goBackOrForward(moveBackOrForwardSteps);
1707 public void onClearHistory() {
1708 // Clear the history.
1709 mainWebView.clearHistory();
1712 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
1714 public void onBackPressed() {
1715 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
1716 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1717 drawerLayout.closeDrawer(GravityCompat.START);
1719 // Load the previous URL if available.
1720 if (mainWebView.canGoBack()) {
1721 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1722 navigatingHistory = true;
1725 mainWebView.goBack();
1727 // Pass `onBackPressed()` to the system.
1728 super.onBackPressed();
1734 public void onPause() {
1735 // Pause `mainWebView`.
1736 mainWebView.onPause();
1738 // Stop all JavaScript.
1739 mainWebView.pauseTimers();
1741 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1742 if (BuildConfig.FLAVOR.contentEquals("free")) {
1743 BannerAd.pauseAd(adView);
1750 public void onResume() {
1753 // Resume JavaScript (if enabled).
1754 mainWebView.resumeTimers();
1756 // Resume `mainWebView`.
1757 mainWebView.onResume();
1759 // Resume the adView for the free flavor.
1760 if (BuildConfig.FLAVOR.contentEquals("free")) {
1761 BannerAd.resumeAd(adView);
1766 public void onRestart() {
1769 // Apply the settings from shared preferences, which might have been changed in `SettingsActivity`.
1772 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1773 updatePrivacyIcons(true);
1777 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
1778 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
1779 String unformattedUrlString = urlTextBox.getText().toString().trim();
1781 URL unformattedUrl = null;
1782 Uri.Builder formattedUri = new Uri.Builder();
1784 // Check to see if unformattedUrlString is a valid URL. Otherwise, convert it into a Duck Duck Go search.
1785 if (Patterns.WEB_URL.matcher(unformattedUrlString).matches()) {
1786 // Add http:// at the beginning if it is missing. Otherwise the app will segfault.
1787 if (!unformattedUrlString.startsWith("http")) {
1788 unformattedUrlString = "http://" + unformattedUrlString;
1791 // 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.
1793 unformattedUrl = new URL(unformattedUrlString);
1794 } catch (MalformedURLException e) {
1795 e.printStackTrace();
1798 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if .get was called on a null value.
1799 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
1800 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
1801 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
1802 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
1803 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
1805 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
1806 formattedUrlString = formattedUri.build().toString();
1808 // Sanitize the search input and convert it to a DuckDuckGo search.
1809 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
1811 // Use the correct search URL.
1812 if (javaScriptEnabled) { // JavaScript is enabled.
1813 formattedUrlString = javaScriptEnabledSearchURL + encodedUrlString;
1814 } else { // JavaScript is disabled.
1815 formattedUrlString = javaScriptDisabledSearchURL + encodedUrlString;
1819 loadUrl(formattedUrlString);
1821 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1822 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1826 private void loadUrl(String url) {
1827 // Apply any custom domain settings.
1828 applyDomainSettings(url);
1831 mainWebView.loadUrl(url, customHeaders);
1834 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
1835 @SuppressWarnings("deprecation")
1836 private void applyDomainSettings(String url) {
1837 // Parse the URL into a URI.
1838 Uri uri = Uri.parse(url);
1840 // Extract the domain from `uri`.
1841 String hostname = uri.getHost();
1843 // 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.
1844 if (!hostname.equals(currentDomain)) {
1845 // Set the new `hostname` as the `currentDomain`.
1846 currentDomain = hostname;
1848 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
1849 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
1850 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
1852 // Get a full cursor from `domainsDatabaseHelper`.
1853 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
1855 // Initialize `domainSettingsSet`.
1856 Set<String> domainSettingsSet = new HashSet<>();
1858 // Get the domain name column index.
1859 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
1861 // Populate `domainSettingsSet`.
1862 for (int i = 0; i < domainNameCursor.getCount(); i++) {
1863 // Move `domainsCursor` to the current row.
1864 domainNameCursor.moveToPosition(i);
1866 // Store the domain name in `domainSettingsSet`.
1867 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
1870 // Close `domainNameCursor.
1871 domainNameCursor.close();
1873 // Initialize variables to track if this domain has stored domain settings, and if so, under which name.
1874 boolean hostHasDomainSettings = false;
1875 String domainNameInDatabase = null;
1877 // Check the hostname.
1878 if (domainSettingsSet.contains(hostname)) {
1879 hostHasDomainSettings = true;
1880 domainNameInDatabase = hostname;
1883 // Check all the subdomains of `hostname` against wildcard domains in `domainCursor`.
1884 while (hostname.contains(".") && !hostHasDomainSettings) { // Stop checking if we run out of `.` or if we already know that `hostHasDomainSettings` is `true`.
1885 if (domainSettingsSet.contains("*." + hostname)) { // Check the host name prepended by `*.`.
1886 hostHasDomainSettings = true;
1887 domainNameInDatabase = "*." + hostname;
1890 // Strip out the lowest subdomain of `host`.
1891 hostname = hostname.substring(hostname.indexOf(".") + 1);
1894 FrameLayout urlAppBarFrameLayout = (FrameLayout) findViewById(R.id.url_app_bar_framelayout);
1896 if (hostHasDomainSettings) { // The url we are loading has custom domain settings.
1897 // Get a cursor for the current host and move it to the first position.
1898 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
1899 currentHostDomainSettingsCursor.moveToFirst();
1901 // Get the settings from the cursor.
1902 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
1903 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
1904 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
1905 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
1906 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
1907 String userAgentString = (currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
1908 int fontSize = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
1910 // Close `currentHostDomainSettingsCursor`.
1911 currentHostDomainSettingsCursor.close();
1913 // Apply the domain settings.
1914 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1915 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1916 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1917 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1918 mainWebView.getSettings().setTextZoom(fontSize);
1920 // Set third-party cookies status if API >= 21.
1921 if (Build.VERSION.SDK_INT >= 21) {
1922 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1925 // Set the user agent.
1926 if (userAgentString.equals("WebView default user agent")) {
1927 // Set the user agent to `""`, which uses the default value.
1928 mainWebView.getSettings().setUserAgentString("");
1930 // Use the selected user agent.
1931 mainWebView.getSettings().setUserAgentString(userAgentString);
1934 // 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.
1935 urlAppBarFrameLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
1936 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
1937 // Get the shared preference values. `this` references the current context.
1938 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1940 // Store the values from `sharedPreferences` in variables.
1941 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
1942 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
1943 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
1944 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
1945 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
1946 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
1947 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
1948 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
1950 // Apply the default settings.
1951 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1952 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1953 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1954 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1955 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
1957 // Set third-party cookies status if API >= 21.
1958 if (Build.VERSION.SDK_INT >= 21) {
1959 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1962 // Set the default user agent.
1963 switch (userAgentString) {
1964 case "WebView default user agent":
1965 // Set the user agent to `""`, which uses the default value.
1966 mainWebView.getSettings().setUserAgentString("");
1969 case "Custom user agent":
1970 // Set the custom user agent.
1971 mainWebView.getSettings().setUserAgentString(customUserAgentString);
1975 // Use the selected user agent.
1976 mainWebView.getSettings().setUserAgentString(userAgentString);
1980 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
1981 urlAppBarFrameLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
1984 // Close `domainsDatabaseHelper`.
1985 domainsDatabaseHelper.close();
1987 // Update the privacy icons, but only if `mainMenu` has already been populated.
1988 if (mainMenu != null) {
1989 updatePrivacyIcons(true);
1994 public void findPreviousOnPage(View view) {
1995 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
1996 mainWebView.findNext(false);
1999 public void findNextOnPage(View view) {
2000 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2001 mainWebView.findNext(true);
2004 public void closeFindOnPage(View view) {
2005 // Delete the contents of `find_on_page_edittext`.
2006 findOnPageEditText.setText(null);
2008 // Clear the highlighted phrases.
2009 mainWebView.clearMatches();
2011 // Hide the Find on Page `RelativeLayout`.
2012 findOnPageLinearLayout.setVisibility(View.GONE);
2014 // Show the URL app bar.
2015 supportAppBar.setVisibility(View.VISIBLE);
2017 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2018 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2021 private void applyAppSettings() {
2022 // Get the shared preference values. `this` references the current context.
2023 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2025 // Store the values from `sharedPreferences` in variables.
2026 String javaScriptDisabledSearchString = sharedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q=");
2027 String javaScriptDisabledSearchCustomURLString = sharedPreferences.getString("javascript_disabled_search_custom_url", "");
2028 String javaScriptEnabledSearchString = sharedPreferences.getString("javascript_enabled_search", "https://duckduckgo.com/?q=");
2029 String javaScriptEnabledSearchCustomURLString = sharedPreferences.getString("javascript_enabled_search_custom_url", "");
2030 String homepageString = sharedPreferences.getString("homepage", "https://www.duckduckgo.com");
2031 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2032 String torJavaScriptDisabledSearchString = sharedPreferences.getString("tor_javascript_disabled_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2033 String torJavaScriptDisabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_disabled_search_custom_url", "");
2034 String torJavaScriptEnabledSearchString = sharedPreferences.getString("tor_javascript_enabled_search", "https://3g2upl4pq6kufc4m.onion/?q=");
2035 String torJavaScriptEnabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_enabled_search_custom_url", "");
2036 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh_enabled", false);
2037 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2038 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2039 proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2040 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("enable_full_screen_browsing_mode", false);
2041 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2042 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2044 // Set the homepage, search, and proxy options.
2045 if (proxyThroughOrbot) { // Set the Tor options.
2046 // Set `torHomepageString` as `homepage`.
2047 homepage = torHomepageString;
2049 // If formattedUrlString is null assign the homepage to it.
2050 if (formattedUrlString == null) {
2051 formattedUrlString = homepage;
2054 // Set JavaScript disabled search.
2055 if (torJavaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2056 javaScriptDisabledSearchURL = torJavaScriptDisabledSearchCustomURLString;
2057 } else { // Use the string from the pre-built list.
2058 javaScriptDisabledSearchURL = torJavaScriptDisabledSearchString;
2061 // Set JavaScript enabled search.
2062 if (torJavaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2063 javaScriptEnabledSearchURL = torJavaScriptEnabledSearchCustomURLString;
2064 } else { // Use the string from the pre-built list.
2065 javaScriptEnabledSearchURL = torJavaScriptEnabledSearchString;
2068 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2069 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2071 // Display a message to the user if we are waiting on Orbot.
2072 if (!orbotStatus.equals("ON")) {
2073 // Save `formattedUrlString` in `pendingUrl`.
2074 pendingUrl = formattedUrlString;
2076 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2077 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2079 } else { // Set the non-Tor options.
2080 // Set `homepageString` as `homepage`.
2081 homepage = homepageString;
2083 // If formattedUrlString is null assign the homepage to it.
2084 if (formattedUrlString == null) {
2085 formattedUrlString = homepage;
2088 // Set JavaScript disabled search.
2089 if (javaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2090 javaScriptDisabledSearchURL = javaScriptDisabledSearchCustomURLString;
2091 } else { // Use the string from the pre-built list.
2092 javaScriptDisabledSearchURL = javaScriptDisabledSearchString;
2095 // Set JavaScript enabled search.
2096 if (javaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2097 javaScriptEnabledSearchURL = javaScriptEnabledSearchCustomURLString;
2098 } else { // Use the string from the pre-built list.
2099 javaScriptEnabledSearchURL = javaScriptEnabledSearchString;
2102 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2103 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2105 // Reset `pendingUrl` if we are currently waiting for Orbot to connect.
2106 if (!pendingUrl.isEmpty()) {
2107 formattedUrlString = pendingUrl;
2112 // Set swipe to refresh.
2113 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2115 // Set Do Not Track status.
2116 if (doNotTrackEnabled) {
2117 customHeaders.put("DNT", "1");
2119 customHeaders.remove("DNT");
2122 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2123 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2124 if (hideSystemBarsOnFullscreen) { // Hide everything.
2125 // Remove the translucent navigation setting if it is currently flagged.
2126 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2128 // Remove the translucent status bar overlay.
2129 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2131 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2132 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2134 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2135 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2136 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2138 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2139 } else { // Hide everything except the status and navigation bars.
2140 // Add the translucent status flag if it is unset.
2141 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2143 if (translucentNavigationBarOnFullscreen) {
2144 // Set the navigation bar to be translucent.
2145 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2147 // Set the navigation bar to be black.
2148 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2151 } else { // Switch to normal viewing mode.
2152 // Reset `inFullScreenBrowsingMode` to `false`.
2153 inFullScreenBrowsingMode = false;
2155 // Show the `appBar`.
2158 // Show the `BannerAd` in the free flavor.
2159 if (BuildConfig.FLAVOR.contentEquals("free")) {
2160 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2161 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2163 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2164 adView = findViewById(R.id.adView);
2167 // Remove the translucent navigation bar flag if it is set.
2168 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2170 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2171 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2173 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2174 rootCoordinatorLayout.setSystemUiVisibility(0);
2176 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2177 rootCoordinatorLayout.setFitsSystemWindows(true);
2181 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2182 // Get handles for the icons.
2183 MenuItem privacyIcon = mainMenu.findItem(R.id.toggleJavaScript);
2184 MenuItem firstPartyCookiesIcon = mainMenu.findItem(R.id.toggleFirstPartyCookies);
2185 MenuItem domStorageIcon = mainMenu.findItem(R.id.toggleDomStorage);
2186 MenuItem formDataIcon = mainMenu.findItem(R.id.toggleSaveFormData);
2188 // Update `privacyIcon`.
2189 if (javaScriptEnabled) { // JavaScript is enabled.
2190 privacyIcon.setIcon(R.drawable.javascript_enabled);
2191 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2192 privacyIcon.setIcon(R.drawable.warning);
2193 } else { // All the dangerous features are disabled.
2194 privacyIcon.setIcon(R.drawable.privacy_mode);
2197 // Update `firstPartyCookiesIcon`.
2198 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2199 firstPartyCookiesIcon.setIcon(R.drawable.cookies_enabled);
2200 } else { // First-party cookies are disabled.
2201 firstPartyCookiesIcon.setIcon(R.drawable.cookies_disabled);
2204 // Update `domStorageIcon`.
2205 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2206 domStorageIcon.setIcon(R.drawable.dom_storage_enabled);
2207 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2208 domStorageIcon.setIcon(R.drawable.dom_storage_disabled);
2209 } else { // JavaScript is disabled, so DOM storage is ghosted.
2210 domStorageIcon.setIcon(R.drawable.dom_storage_ghosted);
2213 // Update `formDataIcon`.
2214 if (saveFormDataEnabled) { // Form data is enabled.
2215 formDataIcon.setIcon(R.drawable.form_data_enabled);
2216 } else { // Form data is disabled.
2217 formDataIcon.setIcon(R.drawable.form_data_disabled);
2220 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2221 if (runInvalidateOptionsMenu) {
2222 ActivityCompat.invalidateOptionsMenu(this);