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.BitmapFactory;
38 import android.graphics.Typeface;
39 import android.graphics.drawable.BitmapDrawable;
40 import android.graphics.drawable.Drawable;
41 import android.net.Uri;
42 import android.net.http.SslCertificate;
43 import android.net.http.SslError;
44 import android.os.Build;
45 import android.os.Bundle;
46 import android.os.Handler;
47 import android.preference.PreferenceManager;
48 import android.print.PrintDocumentAdapter;
49 import android.print.PrintManager;
50 import android.support.annotation.NonNull;
51 import android.support.design.widget.CoordinatorLayout;
52 import android.support.design.widget.FloatingActionButton;
53 import android.support.design.widget.NavigationView;
54 import android.support.design.widget.Snackbar;
55 import android.support.v4.app.ActivityCompat;
56 import android.support.v4.content.ContextCompat;
57 import android.support.v4.view.GravityCompat;
58 import android.support.v4.widget.DrawerLayout;
59 import android.support.v4.widget.SwipeRefreshLayout;
60 import android.support.v7.app.ActionBar;
61 import android.support.v7.app.ActionBarDrawerToggle;
62 import android.support.v7.app.AppCompatActivity;
63 import android.support.v7.app.AppCompatDialogFragment;
64 import android.support.v7.widget.Toolbar;
65 import android.text.Editable;
66 import android.text.Spanned;
67 import android.text.TextWatcher;
68 import android.text.style.ForegroundColorSpan;
69 import android.util.Patterns;
70 import android.view.ContextMenu;
71 import android.view.GestureDetector;
72 import android.view.KeyEvent;
73 import android.view.Menu;
74 import android.view.MenuItem;
75 import android.view.MotionEvent;
76 import android.view.View;
77 import android.view.ViewGroup;
78 import android.view.WindowManager;
79 import android.view.inputmethod.InputMethodManager;
80 import android.webkit.CookieManager;
81 import android.webkit.HttpAuthHandler;
82 import android.webkit.SslErrorHandler;
83 import android.webkit.WebBackForwardList;
84 import android.webkit.WebChromeClient;
85 import android.webkit.WebResourceResponse;
86 import android.webkit.WebStorage;
87 import android.webkit.WebView;
88 import android.webkit.WebViewClient;
89 import android.webkit.WebViewDatabase;
90 import android.widget.CursorAdapter;
91 import android.widget.EditText;
92 import android.widget.FrameLayout;
93 import android.widget.ImageView;
94 import android.widget.LinearLayout;
95 import android.widget.ListView;
96 import android.widget.ProgressBar;
97 import android.widget.RadioButton;
98 import android.widget.RelativeLayout;
99 import android.widget.TextView;
101 import com.stoutner.privacybrowser.BannerAd;
102 import com.stoutner.privacybrowser.BuildConfig;
103 import com.stoutner.privacybrowser.R;
104 import com.stoutner.privacybrowser.dialogs.AddDomainDialog;
105 import com.stoutner.privacybrowser.dialogs.CreateBookmarkDialog;
106 import com.stoutner.privacybrowser.dialogs.CreateBookmarkFolderDialog;
107 import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcutDialog;
108 import com.stoutner.privacybrowser.dialogs.DownloadImageDialog;
109 import com.stoutner.privacybrowser.dialogs.EditBookmarkDialog;
110 import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDialog;
111 import com.stoutner.privacybrowser.dialogs.HttpAuthenticationDialog;
112 import com.stoutner.privacybrowser.dialogs.PinnedSslCertificateMismatchDialog;
113 import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog;
114 import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog;
115 import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
116 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
117 import com.stoutner.privacybrowser.helpers.OrbotProxyHelper;
118 import com.stoutner.privacybrowser.dialogs.DownloadFileDialog;
119 import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog;
121 import java.io.BufferedReader;
122 import java.io.ByteArrayInputStream;
123 import java.io.ByteArrayOutputStream;
125 import java.io.IOException;
126 import java.io.InputStreamReader;
127 import java.io.UnsupportedEncodingException;
128 import java.net.MalformedURLException;
130 import java.net.URLDecoder;
131 import java.net.URLEncoder;
132 import java.util.Date;
133 import java.util.HashMap;
134 import java.util.HashSet;
135 import java.util.Map;
136 import java.util.Set;
138 // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
139 public class MainWebViewActivity extends AppCompatActivity implements AddDomainDialog.AddDomainListener, CreateBookmarkDialog.CreateBookmarkListener, CreateBookmarkFolderDialog.CreateBookmarkFolderListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
140 DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, EditBookmarkDialog.EditBookmarkListener, EditBookmarkFolderDialog.EditBookmarkFolderListener, HttpAuthenticationDialog.HttpAuthenticationListener,
141 NavigationView.OnNavigationItemSelectedListener, PinnedSslCertificateMismatchDialog.PinnedSslCertificateMismatchListener, SslCertificateErrorDialog.SslCertificateErrorListener, UrlHistoryDialog.UrlHistoryListener {
143 // `darkTheme` is public static so it can be accessed from `AboutActivity`, `GuideActivity`, `AddDomainDialog`, `SettingsActivity`, `DomainsActivity`, `DomainsListFragment`, `BookmarksActivity`, `BookmarksDatabaseViewActivity`,
144 // `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `DownloadFileDialog`, `DownloadImageDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `EditBookmarkDatabaseViewDialog`, `HttpAuthenticationDialog`, `MoveToFolderDialog`,
145 // `SslCertificateErrorDialog`, `UrlHistoryDialog`, `ViewSslCertificateDialog`, `CreateHomeScreenShortcutDialog`, and `OrbotProxyHelper`. It is also used in `onCreate()`, `applyAppSettings()`, `applyDomainSettings()`, and `updatePrivacyIcons()`.
146 public static boolean darkTheme;
148 // `favoriteIconBitmap` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `BookmarksDatabaseViewActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `EditBookmarkDialog`,
149 // `EditBookmarkFolderDialog`, `EditBookmarkDatabaseViewDialog`, and `ViewSslCertificateDialog`. It is also used in `onCreate()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onCreateHomeScreenShortcutCreate()`, `onSaveEditBookmark()`,
150 // `onSaveEditBookmarkFolder()`, and `applyDomainSettings()`.
151 public static Bitmap favoriteIconBitmap;
153 // `formattedUrlString` is public static so it can be accessed from `BookmarksActivity`, `CreateBookmarkDialog`, and `AddDomainDialog`.
154 // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onCreateHomeScreenShortcutCreate()`, and `loadUrlFromTextBox()`.
155 public static String formattedUrlString;
157 // `sslCertificate` is public static so it can be accessed from `DomainsActivity`, `DomainsListFragment`, `DomainSettingsFragment`, `PinnedSslCertificateMismatchDialog`, and `ViewSslCertificateDialog`. It is also used in `onCreate()`.
158 public static SslCertificate sslCertificate;
160 // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`.
161 public static String orbotStatus;
163 // `webViewTitle` is public static so it can be accessed from `CreateBookmarkDialog` and `CreateHomeScreenShortcutDialog`. It is also used in `onCreate()`.
164 public static String webViewTitle;
166 // `displayWebpageImagesBoolean` is public static so it can be accessed from `DomainSettingsFragment`. It is also used in `applyAppSettings()` and `applyDomainSettings()`.
167 public static boolean displayWebpageImagesBoolean;
169 // `reloadOnRestart` is public static so it can be accessed from `SettingsFragment`. It is also used in `onRestart()`
170 public static boolean reloadOnRestart;
172 // `reloadUrlOnRestart` is public static so it can be accessed from `SettingsFragment`. It is also used in `onRestart()`.
173 public static boolean loadUrlOnRestart;
175 // `restartFromBookmarksActivity` is public static so it can be accessed from `BookmarksActivity`. It is also used in `onRestart()`.
176 public static boolean restartFromBookmarksActivity;
178 // `currentBookmarksFolder` is public static so it can be accessed from `BookmarksActivity`. It is also used in `onCreate()`, `onBackPressed()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and
179 // `loadBookmarksFolder()`.
180 public static String currentBookmarksFolder;
182 // `domainSettingsDatabaseId` is public static so it can be accessed from `PinnedSslCertificateMismatchDialog`. It is also used in `onCreate()`, `onOptionsItemSelected()`, and `applyDomainSettings()`.
183 public static int domainSettingsDatabaseId;
185 // The pinned domain SSL Certificate variables are public static so they can be accessed from `PinnedSslCertificateMismatchDialog`. They are also used in `onCreate()` and `applyDomainSettings()`.
186 public static String pinnedDomainSslIssuedToCNameString;
187 public static String pinnedDomainSslIssuedToONameString;
188 public static String pinnedDomainSslIssuedToUNameString;
189 public static String pinnedDomainSslIssuedByCNameString;
190 public static String pinnedDomainSslIssuedByONameString;
191 public static String pinnedDomainSslIssuedByUNameString;
192 public static Date pinnedDomainSslStartDate;
193 public static Date pinnedDomainSslEndDate;
196 // `appBar` is used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applyAppSettings()`.
197 private ActionBar appBar;
199 // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, `onSslMismatchBack()`, and `applyDomainSettings()`.
200 private boolean navigatingHistory;
202 // `favoriteIconDefaultBitmap` is used in `onCreate()` and `applyDomainSettings`.
203 private Bitmap favoriteIconDefaultBitmap;
205 // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, `onBackPressed()`, and `onRestart()`.
206 private DrawerLayout drawerLayout;
208 // `rootCoordinatorLayout` is used in `onCreate()` and `applyAppSettings()`.
209 private CoordinatorLayout rootCoordinatorLayout;
211 // `mainWebView` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, `loadUrlFromTextBox()`
212 // `onSslMismatchBack()`, and `setDisplayWebpageImages()`.
213 private WebView mainWebView;
215 // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
216 private FrameLayout fullScreenVideoFrameLayout;
218 // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
219 private SwipeRefreshLayout swipeRefreshLayout;
221 // `urlAppBarRelativeLayout` is used in `onCreate()` and `applyDomainSettings()`.
222 private RelativeLayout urlAppBarRelativeLayout;
224 // `favoriteIconImageView` is used in `onCreate()` and `applyDomainSettings()`
225 private ImageView favoriteIconImageView;
227 // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `loadUrlFromTextBox()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
228 private CookieManager cookieManager;
230 // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`.
231 private final Map<String, String> customHeaders = new HashMap<>();
233 // `javaScriptEnabled` is also used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `applyDomainSettings()`, and `updatePrivacyIcons()`.
234 private boolean javaScriptEnabled;
236 // `firstPartyCookiesEnabled` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applyDomainSettings()`.
237 private boolean firstPartyCookiesEnabled;
239 // `thirdPartyCookiesEnabled` used in `onCreate()`, `onPrepareOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyDomainSettings()`.
240 private boolean thirdPartyCookiesEnabled;
242 // `domStorageEnabled` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyDomainSettings()`.
243 private boolean domStorageEnabled;
245 // `saveFormDataEnabled` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyDomainSettings()`.
246 private boolean saveFormDataEnabled;
248 // `nightMode` is used in `onCreate()` and `applyDomainSettings()`.
249 private boolean nightMode;
251 // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applyAppSettings()`.
252 private boolean swipeToRefreshEnabled;
254 // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applyAppSettings()`.
255 private String homepage;
257 // `searchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
258 private String searchURL;
260 // `adBlockerEnabled` is used in `onCreate()` and `applyAppSettings()`.
261 private boolean adBlockerEnabled;
263 // `privacyBrowserRuntime` is used in `onCreate()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
264 private Runtime privacyBrowserRuntime;
266 // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
267 private boolean incognitoModeEnabled;
269 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
270 private boolean fullScreenBrowsingModeEnabled;
272 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
273 private boolean inFullScreenBrowsingMode;
275 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
276 private boolean hideSystemBarsOnFullscreen;
278 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
279 private boolean translucentNavigationBarOnFullscreen;
281 // `reapplyDomainSettingsOnRestart` is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, and `onAddDomain()`, .
282 private boolean reapplyDomainSettingsOnRestart;
284 // `currentDomainName` is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onAddDomain()`, and `applyDomainSettings()`.
285 private String currentDomainName;
287 // `ignorePinnedSslCertificateForDomain` is used in `onCreate()`, `onSslMismatchProceed()`, and `applyDomainSettings()`.
288 private boolean ignorePinnedSslCertificate;
290 // `waitingForOrbot` is used in `onCreate()` and `applyAppSettings()`.
291 private boolean waitingForOrbot;
293 // `domainSettingsApplied` is used in `prepareOptionsMenu()`, `applyDomainSettings()`, and `setDisplayWebpageImages()`.
294 private boolean domainSettingsApplied;
296 // `displayWebpageImagesInt` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
297 private int displayWebpageImagesInt;
299 // `onTheFlyDisplayImagesSet` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
300 private boolean onTheFlyDisplayImagesSet;
302 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
303 private String waitingForOrbotHTMLString;
305 // `privateDataDirectoryString` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`.
306 private String privateDataDirectoryString;
308 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
309 private LinearLayout findOnPageLinearLayout;
311 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
312 private EditText findOnPageEditText;
314 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
315 private Menu mainMenu;
317 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
318 private ActionBarDrawerToggle drawerToggle;
320 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
321 private Toolbar supportAppBar;
323 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, `loadUrl()`, and `highlightUrlText()`.
324 private EditText urlTextBox;
326 // `redColorSpan` is used in `onCreate()` and `highlightUrlText()`.
327 private ForegroundColorSpan redColorSpan;
329 // `initialGrayColorSpan` is sued in `onCreate()` and `highlightUrlText()`.
330 private ForegroundColorSpan initialGrayColorSpan;
332 // `finalGrayColorSpam` is used in `onCreate()` and `highlightUrlText()`.
333 private ForegroundColorSpan finalGrayColorSpan;
335 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
338 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
339 private SslErrorHandler sslErrorHandler;
341 // `httpAuthHandler` is used in `onCreate()`, `onHttpAuthenticationCancel()`, and `onHttpAuthenticationProceed()`.
342 private static HttpAuthHandler httpAuthHandler;
344 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
345 private InputMethodManager inputMethodManager;
347 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
348 private RelativeLayout mainWebViewRelativeLayout;
350 // `urlIsLoading` is used in `onCreate()`, `loadUrl()`, and `applyDomainSettings()`.
351 private boolean urlIsLoading;
353 // `pinnedDomainSslCertificate` is used in `onCreate()` and `applyDomainSettings()`.
354 private boolean pinnedDomainSslCertificate;
356 // `bookmarksDatabaseHelper` is used in `onCreate()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and `loadBookmarksFolder()`.
357 private BookmarksDatabaseHelper bookmarksDatabaseHelper;
359 // `bookmarksListView` is used in `onCreate()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, and `loadBookmarksFolder()`.
360 private ListView bookmarksListView;
362 // `bookmarksTitleTextView` is used in `onCreate()` and `loadBookmarksFolder()`.
363 private TextView bookmarksTitleTextView;
365 // `bookmarksCursor` is used in `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and `loadBookmarksFolder()`.
366 private Cursor bookmarksCursor;
368 // `bookmarksCursorAdapter` is used in `onCreateBookmark()`, `onCreateBookmarkFolder()` `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and `loadBookmarksFolder()`.
369 private CursorAdapter bookmarksCursorAdapter;
371 // `oldFolderNameString` is used in `onCreate()` and `onSaveEditBookmarkFolder()`.
372 private String oldFolderNameString;
375 // 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.
376 @SuppressLint({"SetJavaScriptEnabled"})
377 // Remove Android Studio's warning about deprecations. We have to use the deprecated `getColor()` until API >= 23.
378 @SuppressWarnings("deprecation")
379 protected void onCreate(Bundle savedInstanceState) {
380 // Get a handle for `sharedPreferences`. `this` references the current context.
381 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
383 // Get the theme preference.
384 darkTheme = sharedPreferences.getBoolean("dark_theme", false);
386 // Set the activity theme.
388 setTheme(R.style.PrivacyBrowserDark);
390 setTheme(R.style.PrivacyBrowserLight);
393 // Run the default commands.
394 super.onCreate(savedInstanceState);
396 // Set the content view.
397 setContentView(R.layout.main_drawerlayout);
399 // Get a handle for `inputMethodManager`.
400 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
402 // `SupportActionBar` from `android.support.v7.app.ActionBar` must be used until the minimum API is >= 21.
403 supportAppBar = findViewById(R.id.app_bar);
404 setSupportActionBar(supportAppBar);
405 appBar = getSupportActionBar();
407 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
408 assert appBar != null;
410 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
411 appBar.setCustomView(R.layout.url_app_bar);
412 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
414 // Initialize the `ForegroundColorSpans` and `StyleSpan` for highlighting `urlTextBox`. We have to use the deprecated `getColor()` until API >= 23.
415 redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
416 initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
417 finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
419 // Get a handle for `urlTextBox`.
420 urlTextBox = appBar.getCustomView().findViewById(R.id.url_edittext);
422 // Remove the formatting from `urlTextBar` when the user is editing the text.
423 urlTextBox.setOnFocusChangeListener((v, hasFocus) -> {
424 if (hasFocus) { // The user is editing `urlTextBox`.
425 // Remove the highlighting.
426 urlTextBox.getText().removeSpan(redColorSpan);
427 urlTextBox.getText().removeSpan(initialGrayColorSpan);
428 urlTextBox.getText().removeSpan(finalGrayColorSpan);
429 } else { // The user has stopped editing `urlTextBox`.
430 // Reapply the highlighting.
435 // Set the `Go` button on the keyboard to load the URL in `urlTextBox`.
436 urlTextBox.setOnKeyListener((v, keyCode, event) -> {
437 // If the event is a key-down event on the `enter` button, load the URL.
438 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
439 // Load the URL into the mainWebView and consume the event.
441 loadUrlFromTextBox();
442 } catch (UnsupportedEncodingException e) {
445 // If the enter key was pressed, consume the event.
448 // If any other key was pressed, do not consume the event.
453 // Set `waitingForOrbotHTMLString`.
454 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
456 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
457 currentDomainName = "";
458 orbotStatus = "unknown";
459 waitingForOrbot = false;
461 // Create an Orbot status `BroadcastReceiver`.
462 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
464 public void onReceive(Context context, Intent intent) {
465 // Store the content of the status message in `orbotStatus`.
466 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
468 // If we are waiting on Orbot, load the website now that Orbot is connected.
469 if (orbotStatus.equals("ON") && waitingForOrbot) {
470 // Reset `waitingForOrbot`.
471 waitingForOrbot = false;
473 // Load `formattedUrlString
474 loadUrl(formattedUrlString);
479 // Register `orbotStatusBroadcastReceiver` on `this` context.
480 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
482 // Get handles for views that need to be accessed.
483 drawerLayout = findViewById(R.id.drawerlayout);
484 rootCoordinatorLayout = findViewById(R.id.root_coordinatorlayout);
485 bookmarksListView = findViewById(R.id.bookmarks_drawer_listview);
486 bookmarksTitleTextView = findViewById(R.id.bookmarks_title_textview);
487 FloatingActionButton launchBookmarksActivityFab = findViewById(R.id.launch_bookmarks_activity_fab);
488 FloatingActionButton createBookmarkFolderFab = findViewById(R.id.create_bookmark_folder_fab);
489 FloatingActionButton createBookmarkFab = findViewById(R.id.create_bookmark_fab);
490 mainWebViewRelativeLayout = findViewById(R.id.main_webview_relativelayout);
491 mainWebView = findViewById(R.id.main_webview);
492 findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout);
493 findOnPageEditText = findViewById(R.id.find_on_page_edittext);
494 fullScreenVideoFrameLayout = findViewById(R.id.full_screen_video_framelayout);
495 urlAppBarRelativeLayout = findViewById(R.id.url_app_bar_relativelayout);
496 favoriteIconImageView = findViewById(R.id.favorite_icon);
498 // Set the bookmarks drawer resources according to the theme. This can't be done in the layout due to compatibility issues with the `DrawerLayout` support widget.
500 launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_dark));
501 createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_dark));
502 createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_dark));
503 bookmarksListView.setBackgroundColor(getResources().getColor(R.color.gray_850));
505 launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_light));
506 createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_light));
507 createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_light));
508 bookmarksListView.setBackgroundColor(getResources().getColor(R.color.white));
511 // Set the launch bookmarks activity FAB to launch the bookmarks activity.
512 launchBookmarksActivityFab.setOnClickListener(v -> {
513 // Create an intent to launch the bookmarks activity.
514 Intent bookmarksIntent = new Intent(getApplicationContext(), BookmarksActivity.class);
516 // Include the current folder with the `Intent`.
517 bookmarksIntent.putExtra("Current Folder", currentBookmarksFolder);
520 startActivity(bookmarksIntent);
523 // Set the create new bookmark folder FAB to display the `AlertDialog`.
524 createBookmarkFolderFab.setOnClickListener(v -> {
525 // Show the `CreateBookmarkFolderDialog` `AlertDialog` and name the instance `@string/create_folder`.
526 AppCompatDialogFragment createBookmarkFolderDialog = new CreateBookmarkFolderDialog();
527 createBookmarkFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_folder));
530 // Set the create new bookmark FAB to display the `AlertDialog`.
531 createBookmarkFab.setOnClickListener(view -> {
532 // Show the `CreateBookmarkDialog` `AlertDialog` and name the instance `@string/create_bookmark`.
533 AppCompatDialogFragment createBookmarkDialog = new CreateBookmarkDialog();
534 createBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_bookmark));
537 // Create a double-tap listener to toggle full-screen mode.
538 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
539 // Override `onDoubleTap()`. All other events are handled using the default settings.
541 public boolean onDoubleTap(MotionEvent event) {
542 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
543 // Toggle `inFullScreenBrowsingMode`.
544 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
546 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
547 // Hide the `appBar`.
550 // Hide the `BannerAd` in the free flavor.
551 if (BuildConfig.FLAVOR.contentEquals("free")) {
552 BannerAd.hideAd(adView);
555 // Modify the system bars.
556 if (hideSystemBarsOnFullscreen) { // Hide everything.
557 // Remove the translucent overlays.
558 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
560 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
561 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
563 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
564 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
565 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
567 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
569 // Set `rootCoordinatorLayout` to fill the whole screen.
570 rootCoordinatorLayout.setFitsSystemWindows(false);
571 } else { // Hide everything except the status and navigation bars.
572 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
573 rootCoordinatorLayout.setFitsSystemWindows(false);
575 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.
576 // Set the navigation bar to be translucent.
577 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
580 } else { // Switch to normal viewing mode.
581 // Show the `appBar`.
584 // Show the `BannerAd` in the free flavor.
585 if (BuildConfig.FLAVOR.contentEquals("free")) {
586 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
587 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
589 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
590 adView = findViewById(R.id.adview);
593 // Remove the translucent navigation bar flag if it is set.
594 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
596 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
597 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
599 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
600 rootCoordinatorLayout.setSystemUiVisibility(0);
602 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
603 rootCoordinatorLayout.setFitsSystemWindows(true);
606 // Consume the double-tap.
608 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
614 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
615 mainWebView.setOnTouchListener((View v, MotionEvent event) -> {
616 // Call `performClick()` on the view, which is required for accessibility.
619 // Send the `event` to `gestureDetector`.
620 return gestureDetector.onTouchEvent(event);
623 // Update `findOnPageCountTextView`.
624 mainWebView.setFindListener(new WebView.FindListener() {
625 // Get a handle for `findOnPageCountTextView`.
626 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
629 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
630 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
631 // Set `findOnPageCountTextView` to `0/0`.
632 findOnPageCountTextView.setText(R.string.zero_of_zero);
633 } else if (isDoneCounting) { // There are matches.
634 // `activeMatchOrdinal` is zero-based.
635 int activeMatch = activeMatchOrdinal + 1;
637 // Build the match string.
638 String matchString = activeMatch + "/" + numberOfMatches;
640 // Set `findOnPageCountTextView`.
641 findOnPageCountTextView.setText(matchString);
646 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
647 findOnPageEditText.addTextChangedListener(new TextWatcher() {
649 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
654 public void onTextChanged(CharSequence s, int start, int before, int count) {
659 public void afterTextChanged(Editable s) {
660 // Search for the text in `mainWebView`.
661 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
665 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
666 findOnPageEditText.setOnKeyListener((v, keyCode, event) -> {
667 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
668 // Hide the soft keyboard. `0` indicates no additional flags.
669 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
671 // Consume the event.
673 } else { // A different key was pressed.
674 // Do not consume the event.
679 // Implement swipe to refresh
680 swipeRefreshLayout = findViewById(R.id.swipe_refreshlayout);
681 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
682 swipeRefreshLayout.setOnRefreshListener(() -> mainWebView.reload());
684 // `DrawerTitle` identifies the `DrawerLayouts` in accessibility mode.
685 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
686 drawerLayout.setDrawerTitle(GravityCompat.END, getString(R.string.bookmarks));
688 // Listen for touches on the navigation menu.
689 final NavigationView navigationView = findViewById(R.id.navigationview);
690 navigationView.setNavigationItemSelectedListener(this);
692 // 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.
693 final Menu navigationMenu = navigationView.getMenu();
694 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
695 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
696 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
698 // Initialize the bookmarks database helper. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
699 // The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
700 bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
702 // Initialize `currentBookmarksFolder`. `""` is the home folder in the database.
703 currentBookmarksFolder = "";
705 // Load the home folder, which is `""` in the database.
706 loadBookmarksFolder();
708 bookmarksListView.setOnItemClickListener((parent, view, position, id) -> {
709 // Convert the id from long to int to match the format of the bookmarks database.
710 int databaseID = (int) id;
712 // Get the bookmark `Cursor` for this ID and move it to the first row.
713 Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmarkCursor(databaseID);
714 bookmarkCursor.moveToFirst();
716 // Act upon the bookmark according to the type.
717 if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) { // The selected bookmark is a folder.
718 // Store the new folder name in `currentBookmarksFolder`.
719 currentBookmarksFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
721 // Load the new folder.
722 loadBookmarksFolder();
723 } else { // The selected bookmark is not a folder.
724 // Load the bookmark URL.
725 loadUrl(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
727 // Close the bookmarks drawer.
728 drawerLayout.closeDrawer(GravityCompat.END);
731 // Close the `Cursor`.
732 bookmarkCursor.close();
735 bookmarksListView.setOnItemLongClickListener((parent, view, position, id) -> {
736 // Convert the database ID from `long` to `int`.
737 int databaseId = (int) id;
739 // Find out if the selected bookmark is a folder.
740 boolean isFolder = bookmarksDatabaseHelper.isFolder(databaseId);
743 // Save the current folder name, which is used in `onSaveEditBookmarkFolder()`.
744 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
746 // Show the edit bookmark folder `AlertDialog` and name the instance `@string/edit_folder`.
747 AppCompatDialogFragment editFolderDialog = EditBookmarkFolderDialog.folderDatabaseId(databaseId);
748 editFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
750 // Show the edit bookmark `AlertDialog` and name the instance `@string/edit_bookmark`.
751 AppCompatDialogFragment editBookmarkDialog = EditBookmarkDialog.bookmarkDatabaseId(databaseId);
752 editBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
755 // Consume the event.
759 // The `DrawerListener` allows us to update the Navigation Menu.
760 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
762 public void onDrawerSlide(View drawerView, float slideOffset) {
766 public void onDrawerOpened(View drawerView) {
770 public void onDrawerClosed(View drawerView) {
774 public void onDrawerStateChanged(int newState) {
775 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
776 // Update the `Back`, `Forward`, and `History` menu items.
777 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
778 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
779 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
781 // Hide the keyboard (if displayed) so we can see the navigation menu. `0` indicates no additional flags.
782 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
784 // Clear the focus from `urlTextBox` if it has it.
785 urlTextBox.clearFocus();
790 // drawerToggle creates the hamburger icon at the start of the AppBar.
791 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
793 // Initialize `adServerSet`.
794 final Set<String> adServersSet = new HashSet<>();
796 // Load the list of ad servers into memory.
798 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
799 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
801 // Create a string for storing each ad server.
804 // Populate `adServersSet`.
805 while ((adServer = bufferedReader.readLine()) != null) {
806 adServersSet.add(adServer);
809 // Close `bufferedReader`.
810 bufferedReader.close();
811 } catch (IOException ioException) {
812 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
815 mainWebView.setWebViewClient(new WebViewClient() {
816 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
817 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
818 @SuppressWarnings("deprecation")
820 public boolean shouldOverrideUrlLoading(WebView view, String url) {
821 if (url.startsWith("mailto:")) { // Load the email address in an external email program.
822 // Use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
823 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
825 // Parse the url and set it as the data for the `Intent`.
826 emailIntent.setData(Uri.parse(url));
828 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
829 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
832 startActivity(emailIntent);
834 // Returning `true` indicates the application is handling the URL.
836 } else if (url.startsWith("tel:")) { // Load the phone number in the dialer.
837 // `ACTION_DIAL` open the dialer and loads the phone number, but waits for the user to place the call.
838 Intent dialIntent = new Intent(Intent.ACTION_DIAL);
840 // Add the phone number to the intent.
841 dialIntent.setData(Uri.parse(url));
843 // `FLAG_ACTIVITY_NEW_TASK` opens the dialer in a new task instead as part of Privacy Browser.
844 dialIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
847 startActivity(dialIntent);
849 // Returning `true` indicates the application is handling the URL.
851 } else { // Load the URL in Privacy Browser.
852 // Apply the domain settings for the new URL.
853 applyDomainSettings(url);
855 // Returning `false` causes the current `WebView` to handle the URL and prevents it from adding redirects to the history list.
860 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
861 @SuppressWarnings("deprecation")
863 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
864 if (adBlockerEnabled) { // Block ads.
865 // Extract the host from `url`.
866 Uri requestUri = Uri.parse(url);
867 String requestHost = requestUri.getHost();
869 // Initialize a variable to track if this is an ad server.
870 boolean requestHostIsAdServer = false;
872 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
873 if (requestHost != null) {
874 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
875 if (adServersSet.contains(requestHost)) {
876 requestHostIsAdServer = true;
879 // Strip out the lowest subdomain of `requestHost`.
880 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
884 if (requestHostIsAdServer) { // It is an ad server.
885 // Return an empty `WebResourceResponse`.
886 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
887 } else { // It is not an ad server.
888 // `return null` loads the requested resource.
891 } else { // Ad blocking is disabled.
892 // `return null` loads the requested resource.
897 // Handle HTTP authentication requests.
899 public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, String host, String realm) {
900 // Store `handler` so it can be accessed from `onHttpAuthenticationCancel()` and `onHttpAuthenticationProceed()`.
901 httpAuthHandler = handler;
903 // Display the HTTP authentication dialog.
904 AppCompatDialogFragment httpAuthenticationDialogFragment = HttpAuthenticationDialog.displayDialog(host, realm);
905 httpAuthenticationDialogFragment.show(getSupportFragmentManager(), getString(R.string.http_authentication));
908 // Update the URL in urlTextBox when the page starts to load.
910 public void onPageStarted(WebView view, String url, Bitmap favicon) {
911 // If night mode is enabled, hide `mainWebView` until after the night mode CSS is applied.
913 mainWebView.setVisibility(View.INVISIBLE);
916 // Hide the keyboard. `0` indicates no additional flags.
917 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
919 // Check to see if we are waiting on Orbot.
920 if (!waitingForOrbot) { // We are not waiting on Orbot, so we need to process the URL.
921 // 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.
922 formattedUrlString = url;
924 // Display the formatted URL text.
925 urlTextBox.setText(formattedUrlString);
927 // Apply text highlighting to `urlTextBox`.
930 // Apply any custom domain settings if the URL was loaded by navigating history.
931 if (navigatingHistory) {
932 applyDomainSettings(url);
935 // Set `urlIsLoading` to `true`, so that redirects while loading do not trigger changes in the user agent, which forces another reload of the existing page.
940 // It is necessary to update `formattedUrlString` and `urlTextBox` after the page finishes loading because the final URL can change during load.
942 public void onPageFinished(WebView view, String url) {
943 // Reset `urlIsLoading`, which is used to prevent reloads on redirect if the user agent changes.
944 urlIsLoading = false;
946 // Clear the cache and history if Incognito Mode is enabled.
947 if (incognitoModeEnabled) {
948 // Clear the cache. `true` includes disk files.
949 mainWebView.clearCache(true);
951 // Clear the back/forward history.
952 mainWebView.clearHistory();
954 // Manually delete cache folders.
956 // Delete the main `cache` folder.
957 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
959 // 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`.
960 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
961 } catch (IOException e) {
962 // Do nothing if an error is thrown.
966 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
967 if (!waitingForOrbot) {
968 // Check to see if `WebView` has set `url` to be `about:blank`.
969 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
970 // Set `formattedUrlString` to `""`.
971 formattedUrlString = "";
973 urlTextBox.setText(formattedUrlString);
975 // Request focus for `urlTextBox`.
976 urlTextBox.requestFocus();
978 // Display the keyboard.
979 inputMethodManager.showSoftInput(urlTextBox, 0);
981 // Apply the domain settings. This clears any settings from the previous domain.
982 applyDomainSettings(formattedUrlString);
983 } else { // `WebView` has loaded a webpage.
984 // Set `formattedUrlString`.
985 formattedUrlString = url;
987 // Only update `urlTextBox` if the user is not typing in it.
988 if (!urlTextBox.hasFocus()) {
989 // Display the formatted URL text.
990 urlTextBox.setText(formattedUrlString);
992 // Apply text highlighting to `urlTextBox`.
997 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog` and `PinnedSslCertificateMismatchDialog`.
998 sslCertificate = mainWebView.getCertificate();
1000 // Check the current website SSL certificate against the pinned SSL certificate if there is a pinned SSL certificate the user has not chosen to ignore it for this session.
1001 if (pinnedDomainSslCertificate && !ignorePinnedSslCertificate) {
1002 // Initialize the current SSL certificate variables.
1003 String currentWebsiteIssuedToCName = "";
1004 String currentWebsiteIssuedToOName = "";
1005 String currentWebsiteIssuedToUName = "";
1006 String currentWebsiteIssuedByCName = "";
1007 String currentWebsiteIssuedByOName = "";
1008 String currentWebsiteIssuedByUName = "";
1009 Date currentWebsiteSslStartDate = null;
1010 Date currentWebsiteSslEndDate = null;
1013 // Extract the individual pieces of information from the current website SSL certificate if it is not null.
1014 if (sslCertificate != null) {
1015 currentWebsiteIssuedToCName = sslCertificate.getIssuedTo().getCName();
1016 currentWebsiteIssuedToOName = sslCertificate.getIssuedTo().getOName();
1017 currentWebsiteIssuedToUName = sslCertificate.getIssuedTo().getUName();
1018 currentWebsiteIssuedByCName = sslCertificate.getIssuedBy().getCName();
1019 currentWebsiteIssuedByOName = sslCertificate.getIssuedBy().getOName();
1020 currentWebsiteIssuedByUName = sslCertificate.getIssuedBy().getUName();
1021 currentWebsiteSslStartDate = sslCertificate.getValidNotBeforeDate();
1022 currentWebsiteSslEndDate = sslCertificate.getValidNotAfterDate();
1025 // Initialize `String` variables to store the SSL certificate dates. `Strings` are needed to compare the values below, which doesn't work with `Dates` if they are `null`.
1026 String currentWebsiteSslStartDateString = "";
1027 String currentWebsiteSslEndDateString = "";
1028 String pinnedDomainSslStartDateString = "";
1029 String pinnedDomainSslEndDateString = "";
1031 // Convert the `Dates` to `Strings` if they are not `null`.
1032 if (currentWebsiteSslStartDate != null) {
1033 currentWebsiteSslStartDateString = currentWebsiteSslStartDate.toString();
1036 if (currentWebsiteSslEndDate != null) {
1037 currentWebsiteSslEndDateString = currentWebsiteSslEndDate.toString();
1040 if (pinnedDomainSslStartDate != null) {
1041 pinnedDomainSslStartDateString = pinnedDomainSslStartDate.toString();
1044 if (pinnedDomainSslEndDate != null) {
1045 pinnedDomainSslEndDateString = pinnedDomainSslEndDate.toString();
1048 // Check to see if the pinned SSL certificate matches the current website certificate.
1049 if (!currentWebsiteIssuedToCName.equals(pinnedDomainSslIssuedToCNameString) || !currentWebsiteIssuedToOName.equals(pinnedDomainSslIssuedToONameString) || !currentWebsiteIssuedToUName.equals(pinnedDomainSslIssuedToUNameString) ||
1050 !currentWebsiteIssuedByCName.equals(pinnedDomainSslIssuedByCNameString) || !currentWebsiteIssuedByOName.equals(pinnedDomainSslIssuedByONameString) || !currentWebsiteIssuedByUName.equals(pinnedDomainSslIssuedByUNameString) ||
1051 !currentWebsiteSslStartDateString.equals(pinnedDomainSslStartDateString) || !currentWebsiteSslEndDateString.equals(pinnedDomainSslEndDateString)) { // The pinned SSL certificate doesn't match the current domain certificate.
1052 //Display the pinned SSL certificate mismatch `AlertDialog`.
1053 AppCompatDialogFragment pinnedSslCertificateMismatchDialogFragment = new PinnedSslCertificateMismatchDialog();
1054 pinnedSslCertificateMismatchDialogFragment.show(getSupportFragmentManager(), getString(R.string.ssl_certificate_mismatch));
1060 // Handle SSL Certificate errors.
1062 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
1063 // Get the current website SSL certificate.
1064 SslCertificate currentWebsiteSslCertificate = error.getCertificate();
1066 // Extract the individual pieces of information from the current website SSL certificate.
1067 String currentWebsiteIssuedToCName = currentWebsiteSslCertificate.getIssuedTo().getCName();
1068 String currentWebsiteIssuedToOName = currentWebsiteSslCertificate.getIssuedTo().getOName();
1069 String currentWebsiteIssuedToUName = currentWebsiteSslCertificate.getIssuedTo().getUName();
1070 String currentWebsiteIssuedByCName = currentWebsiteSslCertificate.getIssuedBy().getCName();
1071 String currentWebsiteIssuedByOName = currentWebsiteSslCertificate.getIssuedBy().getOName();
1072 String currentWebsiteIssuedByUName = currentWebsiteSslCertificate.getIssuedBy().getUName();
1073 Date currentWebsiteSslStartDate = currentWebsiteSslCertificate.getValidNotBeforeDate();
1074 Date currentWebsiteSslEndDate = currentWebsiteSslCertificate.getValidNotAfterDate();
1076 // Proceed to the website if the current SSL website certificate matches the pinned domain certificate.
1077 if (pinnedDomainSslCertificate &&
1078 currentWebsiteIssuedToCName.equals(pinnedDomainSslIssuedToCNameString) && currentWebsiteIssuedToOName.equals(pinnedDomainSslIssuedToONameString) && currentWebsiteIssuedToUName.equals(pinnedDomainSslIssuedToUNameString) &&
1079 currentWebsiteIssuedByCName.equals(pinnedDomainSslIssuedByCNameString) && currentWebsiteIssuedByOName.equals(pinnedDomainSslIssuedByONameString) && currentWebsiteIssuedByUName.equals(pinnedDomainSslIssuedByUNameString) &&
1080 currentWebsiteSslStartDate.equals(pinnedDomainSslStartDate) && currentWebsiteSslEndDate.equals(pinnedDomainSslEndDate)) { // An SSL certificate is pinned and matches the current domain certificate.
1081 // Proceed to the website without displaying an error.
1083 } else { // Either there isn't a pinned SSL certificate or it doesn't match the current website certificate.
1084 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
1085 sslErrorHandler = handler;
1087 // Display the SSL error `AlertDialog`.
1088 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
1089 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getString(R.string.ssl_certificate_error));
1094 // Get a handle for the progress bar.
1095 final ProgressBar progressBar = findViewById(R.id.progress_bar);
1097 mainWebView.setWebChromeClient(new WebChromeClient() {
1098 // Update the progress bar when a page is loading.
1100 public void onProgressChanged(WebView view, int progress) {
1101 // Inject the night mode CSS if night mode is enabled.
1103 // `background-color: #212121` sets the background to be dark gray. `color: #BDBDBD` sets the text color to be light gray. `box-shadow: none` removes a lower underline on links used by WordPress.
1104 // `text-decoration: none` removes all text underlines. `text-shadow: none` removes text shadows, which usually have a hard coded color. `border: none` removes all borders, which can also be used to underline text.
1105 // `a {color: #1565C0}` sets links to be a dark blue. `!important` takes precedent over any existing sub-settings.
1106 mainWebView.evaluateJavascript("(function() {var parent = document.getElementsByTagName('head').item(0); var style = document.createElement('style'); style.type = 'text/css'; style.innerHTML = '" +
1107 "* {background-color: #212121 !important; color: #BDBDBD !important; box-shadow: none !important; text-decoration: none !important; text-shadow: none !important; border: none !important;}" +
1108 "a {color: #1565C0 !important;}" +
1109 "'; parent.appendChild(style)})()", value -> {
1110 // Initialize a `Handler` to display `mainWebView`.
1111 Handler displayWebViewHandler = new Handler();
1113 // Setup a `Runnable` to display `mainWebView` after a delay to allow the CSS to be applied.
1114 Runnable displayWebViewRunnable = () -> {
1115 // Only display `mainWebView` if the progress bar is one. This prevents the display of the `WebView` while it is still loading.
1116 if (progressBar.getVisibility() == View.GONE) {
1117 mainWebView.setVisibility(View.VISIBLE);
1121 // Use `displayWebViewHandler` to delay the displaying of `mainWebView` for 500 milliseconds.
1122 displayWebViewHandler.postDelayed(displayWebViewRunnable, 500);
1126 progressBar.setProgress(progress);
1127 if (progress < 100) {
1128 // Show the progress bar.
1129 progressBar.setVisibility(View.VISIBLE);
1131 // Hide the progress bar.
1132 progressBar.setVisibility(View.GONE);
1134 // Display `mainWebView` if night mode is disabled.
1135 // Because of a race condition between `applyDomainSettings` and `onPageStarted`, when night mode is set by domain settings the `WebView` may be hidden even if night mode is not currently enabled.
1137 mainWebView.setVisibility(View.VISIBLE);
1140 //Stop the `SwipeToRefresh` indicator if it is running
1141 swipeRefreshLayout.setRefreshing(false);
1145 // Set the favorite icon when it changes.
1147 public void onReceivedIcon(WebView view, Bitmap icon) {
1148 // Only update the favorite icon if the website has finished loading.
1149 if (progressBar.getVisibility() == View.GONE) {
1150 // Save a copy of the favorite icon.
1151 favoriteIconBitmap = icon;
1153 // Place the favorite icon in the appBar.
1154 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
1158 // Save a copy of the title when it changes.
1160 public void onReceivedTitle(WebView view, String title) {
1161 // Save a copy of the title.
1162 webViewTitle = title;
1165 // Enter full screen video
1167 public void onShowCustomView(View view, CustomViewCallback callback) {
1168 // Pause the ad if this is the free flavor.
1169 if (BuildConfig.FLAVOR.contentEquals("free")) {
1170 BannerAd.pauseAd(adView);
1173 // Remove the translucent overlays.
1174 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
1176 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
1177 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
1179 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
1180 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
1181 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
1183 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
1185 // Set `rootCoordinatorLayout` to fill the entire screen.
1186 rootCoordinatorLayout.setFitsSystemWindows(false);
1188 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
1189 fullScreenVideoFrameLayout.addView(view);
1190 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
1193 // Exit full screen video
1194 public void onHideCustomView() {
1195 // Hide `fullScreenVideoFrameLayout`.
1196 fullScreenVideoFrameLayout.removeAllViews();
1197 fullScreenVideoFrameLayout.setVisibility(View.GONE);
1199 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
1200 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
1202 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
1203 rootCoordinatorLayout.setFitsSystemWindows(true);
1205 // Show the ad if this is the free flavor.
1206 if (BuildConfig.FLAVOR.contentEquals("free")) {
1207 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
1208 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1210 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1211 adView = findViewById(R.id.adview);
1216 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
1217 registerForContextMenu(mainWebView);
1219 // Allow the downloading of files.
1220 mainWebView.setDownloadListener((url, userAgent, contentDisposition, mimetype, contentLength) -> {
1221 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
1222 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
1223 downloadFileDialogFragment.show(getSupportFragmentManager(), getString(R.string.download));
1226 // Allow pinch to zoom.
1227 mainWebView.getSettings().setBuiltInZoomControls(true);
1229 // Hide zoom controls.
1230 mainWebView.getSettings().setDisplayZoomControls(false);
1232 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
1233 mainWebView.getSettings().setUseWideViewPort(true);
1235 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
1236 mainWebView.getSettings().setLoadWithOverviewMode(true);
1238 // Explicitly disable geolocation.
1239 mainWebView.getSettings().setGeolocationEnabled(false);
1241 // Initialize cookieManager.
1242 cookieManager = CookieManager.getInstance();
1244 // 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).
1245 customHeaders.put("X-Requested-With", "");
1247 // 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.
1248 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
1250 // Get the intent that started the app.
1251 final Intent launchingIntent = getIntent();
1253 // Extract the launching intent data as `launchingIntentUriData`.
1254 final Uri launchingIntentUriData = launchingIntent.getData();
1256 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
1257 if (launchingIntentUriData != null) {
1258 formattedUrlString = launchingIntentUriData.toString();
1261 // Get a handle for the `Runtime`.
1262 privacyBrowserRuntime = Runtime.getRuntime();
1264 // Store the application's private data directory.
1265 privateDataDirectoryString = 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`.
1267 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
1268 inFullScreenBrowsingMode = false;
1270 // Initialize AdView for the free flavor.
1271 adView = findViewById(R.id.adview);
1273 // Initialize the privacy settings variables.
1274 javaScriptEnabled = false;
1275 firstPartyCookiesEnabled = false;
1276 thirdPartyCookiesEnabled = false;
1277 domStorageEnabled = false;
1278 saveFormDataEnabled = false;
1281 // Initialize `webViewTitle`.
1282 webViewTitle = getString(R.string.no_title);
1284 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
1285 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
1286 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
1287 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
1289 // If the favorite icon is null, load the default.
1290 if (favoriteIconBitmap == null) {
1291 favoriteIconBitmap = favoriteIconDefaultBitmap;
1294 // Apply the app settings from the shared preferences.
1297 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
1298 if (!waitingForOrbot) {
1299 loadUrl(formattedUrlString);
1304 protected void onNewIntent(Intent intent) {
1305 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
1308 if (intent.getData() != null) {
1309 // Get the intent data and convert it to a string.
1310 final Uri intentUriData = intent.getData();
1311 formattedUrlString = intentUriData.toString();
1314 // Close the navigation drawer if it is open.
1315 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1316 drawerLayout.closeDrawer(GravityCompat.START);
1319 // Load the website.
1320 loadUrl(formattedUrlString);
1322 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
1323 mainWebView.requestFocus();
1327 public void onRestart() {
1328 // Run the default commands.
1331 // Apply the app settings, which may have been changed in `SettingsActivity`.
1334 // Apply the domain settings if returning from the Domains Activity.
1335 if (reapplyDomainSettingsOnRestart) {
1336 // Reset `reapplyDomainSettingsOnRestart`.
1337 reapplyDomainSettingsOnRestart = false;
1339 // Reapply the domain settings.
1340 applyDomainSettings(formattedUrlString);
1343 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1344 updatePrivacyIcons(true);
1346 // Set the display webpage images mode.
1347 setDisplayWebpageImages();
1349 // Reload the webpage if displaying of images has been disabled in `SettingsFragment`.
1350 if (reloadOnRestart) {
1351 // Reload `mainWebView`.
1352 mainWebView.reload();
1354 // Reset `reloadOnRestartBoolean`.
1355 reloadOnRestart = false;
1358 // Load the URL on restart to apply changes to night mode.
1359 if (loadUrlOnRestart) {
1360 // Load the current `formattedUrlString`.
1361 loadUrl(formattedUrlString);
1363 // Reset `loadUrlOnRestart.
1364 loadUrlOnRestart = false;
1368 if (restartFromBookmarksActivity) {
1369 // Close the bookmarks drawer.
1370 drawerLayout.closeDrawer(GravityCompat.END);
1372 // Reload the bookmarks drawer.
1373 loadBookmarksFolder();
1375 // Reset `restartFromBookmarksActivity`.
1376 restartFromBookmarksActivity = false;
1380 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
1382 public void onResume() {
1383 // Run the default commands.
1386 // Resume JavaScript (if enabled).
1387 mainWebView.resumeTimers();
1389 // Resume `mainWebView`.
1390 mainWebView.onResume();
1392 // Resume the adView for the free flavor.
1393 if (BuildConfig.FLAVOR.contentEquals("free")) {
1394 BannerAd.resumeAd(adView);
1399 public void onPause() {
1400 // Pause `mainWebView`.
1401 mainWebView.onPause();
1403 // Stop all JavaScript.
1404 mainWebView.pauseTimers();
1406 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1407 if (BuildConfig.FLAVOR.contentEquals("free")) {
1408 BannerAd.pauseAd(adView);
1415 public boolean onCreateOptionsMenu(Menu menu) {
1416 // Inflate the menu; this adds items to the action bar if it is present.
1417 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
1419 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
1422 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
1423 updatePrivacyIcons(false);
1425 // Get handles for the menu items.
1426 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1427 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1428 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1429 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1431 // Only display third-party cookies if SDK >= 21
1432 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1434 // Get the shared preference values. `this` references the current context.
1435 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1437 // Set the status of the additional app bar icons. The default is `false`.
1438 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1439 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1440 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1441 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1442 } else { //Do not display the additional icons.
1443 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1444 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1445 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1452 public boolean onPrepareOptionsMenu(Menu menu) {
1453 // Get handles for the menu items.
1454 MenuItem addOrEditDomain = menu.findItem(R.id.add_or_edit_domain);
1455 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1456 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1457 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1458 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1459 MenuItem clearDataMenuItem = menu.findItem(R.id.clear_data);
1460 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1461 MenuItem clearDOMStorageMenuItem = menu.findItem(R.id.clear_dom_storage);
1462 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1463 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1464 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1465 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1467 // Set the text for the domain menu item.
1468 if (domainSettingsApplied) {
1469 addOrEditDomain.setTitle(R.string.edit_domain_settings);
1471 addOrEditDomain.setTitle(R.string.add_domain_settings);
1474 // Set the status of the menu item checkboxes.
1475 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1476 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1477 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1478 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1479 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1481 // Enable third-party cookies if first-party cookies are enabled.
1482 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1484 // Enable `DOM Storage` if JavaScript is enabled.
1485 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1487 // Enable `Clear Cookies` if there are any.
1488 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1490 // Get a count of the number of files in the `Local Storage` directory.
1491 File localStorageDirectory = new File (privateDataDirectoryString + "/app_webview/Local Storage/");
1492 int localStorageDirectoryNumberOfFiles = 0;
1493 if (localStorageDirectory.exists()) {
1494 localStorageDirectoryNumberOfFiles = localStorageDirectory.list().length;
1497 // Get a count of the number of files in the `IndexedDB` directory.
1498 File indexedDBDirectory = new File (privateDataDirectoryString + "/app_webview/IndexedDB");
1499 int indexedDBDirectoryNumberOfFiles = 0;
1500 if (indexedDBDirectory.exists()) {
1501 indexedDBDirectoryNumberOfFiles = indexedDBDirectory.list().length;
1504 // Enable `Clear DOM Storage` if there is any.
1505 clearDOMStorageMenuItem.setEnabled(localStorageDirectoryNumberOfFiles > 0 || indexedDBDirectoryNumberOfFiles > 0);
1507 // Enable `Clear Form Data` is there is any.
1508 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1509 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1511 // Enable `Clear Data` if any of the submenu items are enabled.
1512 clearDataMenuItem.setEnabled(clearCookiesMenuItem.isEnabled() || clearDOMStorageMenuItem.isEnabled() || clearFormDataMenuItem.isEnabled());
1514 // Initialize font size variables.
1515 int fontSize = mainWebView.getSettings().getTextZoom();
1516 String fontSizeTitle;
1517 MenuItem selectedFontSizeMenuItem;
1519 // Prepare the font size title and current size menu item.
1522 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.twenty_five_percent);
1523 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1527 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.fifty_percent);
1528 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1532 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.seventy_five_percent);
1533 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1537 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_percent);
1538 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1542 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_twenty_five_percent);
1543 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1547 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_fifty_percent);
1548 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1552 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_seventy_five_percent);
1553 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1557 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.two_hundred_percent);
1558 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1562 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_percent);
1563 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1567 // Set the font size title and select the current size menu item.
1568 fontSizeMenuItem.setTitle(fontSizeTitle);
1569 selectedFontSizeMenuItem.setChecked(true);
1571 // Only show `Refresh` if `swipeToRefresh` is disabled.
1572 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1574 // Run all the other default commands.
1575 super.onPrepareOptionsMenu(menu);
1577 // `return true` displays the menu.
1582 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1583 @SuppressLint("SetJavaScriptEnabled")
1584 // removeAllCookies is deprecated, but it is required for API < 21.
1585 @SuppressWarnings("deprecation")
1586 public boolean onOptionsItemSelected(MenuItem menuItem) {
1587 int menuItemId = menuItem.getItemId();
1589 // Set the commands that relate to the menu entries.
1590 switch (menuItemId) {
1591 case R.id.add_or_edit_domain:
1592 if (domainSettingsApplied) { // Edit the current domain settings.
1593 // Reapply the domain settings on returning to `MainWebViewActivity`.
1594 reapplyDomainSettingsOnRestart = true;
1595 currentDomainName = "";
1597 // Create an intent to launch the domains activity.
1598 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1600 // Put extra information instructing the domains activity to directly load the current domain.
1601 domainsIntent.putExtra("LoadDomain", domainSettingsDatabaseId);
1604 startActivity(domainsIntent);
1605 } else { // Add a new domain.
1606 // Show the add domain `AlertDialog`.
1607 AppCompatDialogFragment addDomainDialog = new AddDomainDialog();
1608 addDomainDialog.show(getSupportFragmentManager(), getResources().getString(R.string.add_domain));
1612 case R.id.toggle_javascript:
1613 // Switch the status of javaScriptEnabled.
1614 javaScriptEnabled = !javaScriptEnabled;
1616 // Apply the new JavaScript status.
1617 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1619 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1620 updatePrivacyIcons(true);
1622 // Display a `Snackbar`.
1623 if (javaScriptEnabled) { // JavaScrip is enabled.
1624 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1625 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1626 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1627 } else { // Privacy mode.
1628 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1631 // Reload the WebView.
1632 mainWebView.reload();
1635 case R.id.toggle_first_party_cookies:
1636 // Switch the status of firstPartyCookiesEnabled.
1637 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1639 // Update the menu checkbox.
1640 menuItem.setChecked(firstPartyCookiesEnabled);
1642 // Apply the new cookie status.
1643 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1645 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1646 updatePrivacyIcons(true);
1648 // Display a `Snackbar`.
1649 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1650 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1651 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1652 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1653 } else { // Privacy mode.
1654 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1657 // Reload the WebView.
1658 mainWebView.reload();
1661 case R.id.toggle_third_party_cookies:
1662 if (Build.VERSION.SDK_INT >= 21) {
1663 // Switch the status of thirdPartyCookiesEnabled.
1664 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1666 // Update the menu checkbox.
1667 menuItem.setChecked(thirdPartyCookiesEnabled);
1669 // Apply the new cookie status.
1670 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1672 // Display a `Snackbar`.
1673 if (thirdPartyCookiesEnabled) {
1674 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1676 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1679 // Reload the WebView.
1680 mainWebView.reload();
1681 } // Else do nothing because SDK < 21.
1684 case R.id.toggle_dom_storage:
1685 // Switch the status of domStorageEnabled.
1686 domStorageEnabled = !domStorageEnabled;
1688 // Update the menu checkbox.
1689 menuItem.setChecked(domStorageEnabled);
1691 // Apply the new DOM Storage status.
1692 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1694 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1695 updatePrivacyIcons(true);
1697 // Display a `Snackbar`.
1698 if (domStorageEnabled) {
1699 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1701 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1704 // Reload the WebView.
1705 mainWebView.reload();
1708 case R.id.toggle_save_form_data:
1709 // Switch the status of saveFormDataEnabled.
1710 saveFormDataEnabled = !saveFormDataEnabled;
1712 // Update the menu checkbox.
1713 menuItem.setChecked(saveFormDataEnabled);
1715 // Apply the new form data status.
1716 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1718 // Display a `Snackbar`.
1719 if (saveFormDataEnabled) {
1720 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1722 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1725 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1726 updatePrivacyIcons(true);
1728 // Reload the WebView.
1729 mainWebView.reload();
1732 case R.id.clear_cookies:
1733 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_LONG)
1734 .setAction(R.string.undo, v -> {
1735 // Do nothing because everything will be handled by `onDismissed()` below.
1737 .addCallback(new Snackbar.Callback() {
1739 public void onDismissed(Snackbar snackbar, int event) {
1741 // The user pushed the `Undo` button.
1742 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1746 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1748 // `cookieManager.removeAllCookie()` varies by SDK.
1749 if (Build.VERSION.SDK_INT < 21) {
1750 cookieManager.removeAllCookie();
1752 // `null` indicates no callback.
1753 cookieManager.removeAllCookies(null);
1761 case R.id.clear_dom_storage:
1762 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_LONG)
1763 .setAction(R.string.undo, v -> {
1764 // Do nothing because everything will be handled by `onDismissed()` below.
1766 .addCallback(new Snackbar.Callback() {
1768 public void onDismissed(Snackbar snackbar, int event) {
1770 // The user pushed the `Undo` button.
1771 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1775 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1777 // Delete the DOM Storage.
1778 WebStorage webStorage = WebStorage.getInstance();
1779 webStorage.deleteAllData();
1781 // Manually delete the DOM storage files and directories.
1783 // A `String[]` must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly.
1784 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
1786 // Multiple commands must be used because `Runtime.exec()` does not like `*`.
1787 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/IndexedDB");
1788 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager");
1789 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager-journal");
1790 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/databases");
1791 } catch (IOException e) {
1792 // Do nothing if an error is thrown.
1800 case R.id.clear_form_data:
1801 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_LONG)
1802 .setAction(R.string.undo, v -> {
1803 // Do nothing because everything will be handled by `onDismissed()` below.
1805 .addCallback(new Snackbar.Callback() {
1807 public void onDismissed(Snackbar snackbar, int event) {
1809 // The user pushed the `Undo` button.
1810 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1814 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1816 // Delete the form data.
1817 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(getApplicationContext());
1818 mainWebViewDatabase.clearFormData();
1825 case R.id.font_size_twenty_five_percent:
1826 mainWebView.getSettings().setTextZoom(25);
1829 case R.id.font_size_fifty_percent:
1830 mainWebView.getSettings().setTextZoom(50);
1833 case R.id.font_size_seventy_five_percent:
1834 mainWebView.getSettings().setTextZoom(75);
1837 case R.id.font_size_one_hundred_percent:
1838 mainWebView.getSettings().setTextZoom(100);
1841 case R.id.font_size_one_hundred_twenty_five_percent:
1842 mainWebView.getSettings().setTextZoom(125);
1845 case R.id.font_size_one_hundred_fifty_percent:
1846 mainWebView.getSettings().setTextZoom(150);
1849 case R.id.font_size_one_hundred_seventy_five_percent:
1850 mainWebView.getSettings().setTextZoom(175);
1853 case R.id.font_size_two_hundred_percent:
1854 mainWebView.getSettings().setTextZoom(200);
1857 case R.id.display_images:
1858 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1859 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1860 mainWebView.reload();
1861 } else { // Images are not currently loaded automatically.
1862 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1865 // Set `onTheFlyDisplayImagesSet`.
1866 onTheFlyDisplayImagesSet = true;
1870 // Setup the share string.
1871 String shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1873 // Create the share intent.
1874 Intent shareIntent = new Intent();
1875 shareIntent.setAction(Intent.ACTION_SEND);
1876 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1877 shareIntent.setType("text/plain");
1880 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1883 case R.id.find_on_page:
1884 // Hide the URL app bar.
1885 supportAppBar.setVisibility(View.GONE);
1887 // Show the Find on Page `RelativeLayout`.
1888 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1890 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android. http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1891 findOnPageEditText.postDelayed(() -> {
1892 // Set the focus on `findOnPageEditText`.
1893 findOnPageEditText.requestFocus();
1895 // Display the keyboard. `0` sets no input flags.
1896 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1901 // Get a `PrintManager` instance.
1902 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1904 // Convert `mainWebView` to `printDocumentAdapter`.
1905 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1907 // Remove the lint error below that `printManager` might be `null`.
1908 assert printManager != null;
1910 // Print the document. The print attributes are `null`.
1911 printManager.print(getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1914 case R.id.add_to_homescreen:
1915 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1916 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1917 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getString(R.string.create_shortcut));
1919 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1923 mainWebView.reload();
1927 // Don't consume the event.
1928 return super.onOptionsItemSelected(menuItem);
1932 // removeAllCookies is deprecated, but it is required for API < 21.
1933 @SuppressWarnings("deprecation")
1935 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1936 int menuItemId = menuItem.getItemId();
1938 switch (menuItemId) {
1944 if (mainWebView.canGoBack()) {
1945 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1946 navigatingHistory = true;
1948 // Load the previous website in the history.
1949 mainWebView.goBack();
1954 if (mainWebView.canGoForward()) {
1955 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1956 navigatingHistory = true;
1958 // Load the next website in the history.
1959 mainWebView.goForward();
1964 // Get the `WebBackForwardList`.
1965 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1967 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1968 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1969 urlHistoryDialogFragment.show(getSupportFragmentManager(), getString(R.string.history));
1972 case R.id.downloads:
1973 // Launch the system Download Manager.
1974 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1976 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1977 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1979 startActivity(downloadManagerIntent);
1983 // Reapply the domain settings on returning to `MainWebViewActivity`.
1984 reapplyDomainSettingsOnRestart = true;
1985 currentDomainName = "";
1987 // Launch `DomainsActivity`.
1988 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1989 startActivity(domainsIntent);
1993 // Reapply the domain settings on returning to `MainWebViewActivity`.
1994 reapplyDomainSettingsOnRestart = true;
1995 currentDomainName = "";
1997 // Launch `SettingsActivity`.
1998 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1999 startActivity(settingsIntent);
2003 // Launch `GuideActivity`.
2004 Intent guideIntent = new Intent(this, GuideActivity.class);
2005 startActivity(guideIntent);
2009 // Launch `AboutActivity`.
2010 Intent aboutIntent = new Intent(this, AboutActivity.class);
2011 startActivity(aboutIntent);
2014 case R.id.clearAndExit:
2015 // Get a handle for `sharedPreferences`. `this` references the current context.
2016 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2018 boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true);
2021 if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) {
2022 // The command to remove cookies changed slightly in API 21.
2023 if (Build.VERSION.SDK_INT >= 21) {
2024 cookieManager.removeAllCookies(null);
2026 cookieManager.removeAllCookie();
2029 // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run.
2031 // We have to use two commands because `Runtime.exec()` does not like `*`.
2032 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies");
2033 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal");
2034 } catch (IOException e) {
2035 // Do nothing if an error is thrown.
2039 // Clear DOM storage.
2040 if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) {
2041 // Ask `WebStorage` to clear the DOM storage.
2042 WebStorage webStorage = WebStorage.getInstance();
2043 webStorage.deleteAllData();
2045 // Manually delete the DOM storage files and directories, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run.
2047 // A `String[]` must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly.
2048 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
2050 // Multiple commands must be used because `Runtime.exec()` does not like `*`.
2051 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/IndexedDB");
2052 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager");
2053 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager-journal");
2054 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/databases");
2055 } catch (IOException e) {
2056 // Do nothing if an error is thrown.
2061 if (clearEverything || sharedPreferences.getBoolean("clear_form_data", true)) {
2062 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
2063 webViewDatabase.clearFormData();
2065 // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run.
2067 // We have to use a `String[]` because the database contains a space and `Runtime.exec` will not escape the string correctly otherwise.
2068 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"});
2069 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"});
2070 } catch (IOException e) {
2071 // Do nothing if an error is thrown.
2076 if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) {
2077 // `true` includes disk files.
2078 mainWebView.clearCache(true);
2080 // Manually delete the cache directories.
2082 // Delete the main cache directory.
2083 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
2085 // Delete the secondary `Service Worker` cache directory. We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
2086 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"});
2087 } catch (IOException e) {
2088 // Do nothing if an error is thrown.
2092 // Clear SSL certificate preferences.
2093 mainWebView.clearSslPreferences();
2095 // Clear the back/forward history.
2096 mainWebView.clearHistory();
2098 // Clear `formattedUrlString`.
2099 formattedUrlString = null;
2101 // Clear `customHeaders`.
2102 customHeaders.clear();
2104 // Detach all views from `mainWebViewRelativeLayout`.
2105 mainWebViewRelativeLayout.removeAllViews();
2107 // Destroy the internal state of `mainWebView`.
2108 mainWebView.destroy();
2110 // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache.
2111 // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
2112 if (clearEverything) {
2114 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
2115 } catch (IOException e) {
2116 // Do nothing if an error is thrown.
2120 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
2121 if (Build.VERSION.SDK_INT >= 21) {
2122 finishAndRemoveTask();
2127 // Remove the terminated program from RAM. The status code is `0`.
2132 // Close the navigation drawer.
2133 drawerLayout.closeDrawer(GravityCompat.START);
2138 public void onPostCreate(Bundle savedInstanceState) {
2139 super.onPostCreate(savedInstanceState);
2141 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
2142 drawerToggle.syncState();
2146 public void onConfigurationChanged(Configuration newConfig) {
2147 super.onConfigurationChanged(newConfig);
2149 // Reload the ad for the free flavor if we are not in full screen mode.
2150 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
2152 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2154 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2155 adView = findViewById(R.id.adview);
2158 // `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
2159 // ActivityCompat.invalidateOptionsMenu(this);
2163 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
2164 // Store the `HitTestResult`.
2165 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
2168 final String imageUrl;
2169 final String linkUrl;
2171 // Get a handle for the `ClipboardManager`.
2172 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
2174 // Remove the lint errors below that `clipboardManager` might be `null`.
2175 assert clipboardManager != null;
2177 switch (hitTestResult.getType()) {
2178 // `SRC_ANCHOR_TYPE` is a link.
2179 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
2180 // Get the target URL.
2181 linkUrl = hitTestResult.getExtra();
2183 // Set the target URL as the title of the `ContextMenu`.
2184 menu.setHeaderTitle(linkUrl);
2186 // Add a `Load URL` entry.
2187 menu.add(R.string.load_url).setOnMenuItemClickListener(item -> {
2192 // Add a `Copy URL` entry.
2193 menu.add(R.string.copy_url).setOnMenuItemClickListener(item -> {
2194 // Save the link URL in a `ClipData`.
2195 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), linkUrl);
2197 // Set the `ClipData` as the clipboard's primary clip.
2198 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
2202 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
2203 menu.add(R.string.cancel);
2206 case WebView.HitTestResult.EMAIL_TYPE:
2207 // Get the target URL.
2208 linkUrl = hitTestResult.getExtra();
2210 // Set the target URL as the title of the `ContextMenu`.
2211 menu.setHeaderTitle(linkUrl);
2213 // Add a `Write Email` entry.
2214 menu.add(R.string.write_email).setOnMenuItemClickListener(item -> {
2215 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
2216 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
2218 // Parse the url and set it as the data for the `Intent`.
2219 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
2221 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
2222 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2225 startActivity(emailIntent);
2229 // Add a `Copy Email Address` entry.
2230 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(item -> {
2231 // Save the email address in a `ClipData`.
2232 ClipData srcEmailTypeClipData = ClipData.newPlainText(getString(R.string.email_address), linkUrl);
2234 // Set the `ClipData` as the clipboard's primary clip.
2235 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
2239 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
2240 menu.add(R.string.cancel);
2243 // `IMAGE_TYPE` is an image.
2244 case WebView.HitTestResult.IMAGE_TYPE:
2245 // Get the image URL.
2246 imageUrl = hitTestResult.getExtra();
2248 // Set the image URL as the title of the `ContextMenu`.
2249 menu.setHeaderTitle(imageUrl);
2251 // Add a `View Image` entry.
2252 menu.add(R.string.view_image).setOnMenuItemClickListener(item -> {
2257 // Add a `Download Image` entry.
2258 menu.add(R.string.download_image).setOnMenuItemClickListener(item -> {
2259 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
2260 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
2261 downloadImageDialogFragment.show(getSupportFragmentManager(), getString(R.string.download));
2265 // Add a `Copy URL` entry.
2266 menu.add(R.string.copy_url).setOnMenuItemClickListener(item -> {
2267 // Save the image URL in a `ClipData`.
2268 ClipData srcImageTypeClipData = ClipData.newPlainText(getString(R.string.url), imageUrl);
2270 // Set the `ClipData` as the clipboard's primary clip.
2271 clipboardManager.setPrimaryClip(srcImageTypeClipData);
2275 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
2276 menu.add(R.string.cancel);
2280 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
2281 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
2282 // Get the image URL.
2283 imageUrl = hitTestResult.getExtra();
2285 // Set the image URL as the title of the `ContextMenu`.
2286 menu.setHeaderTitle(imageUrl);
2288 // Add a `View Image` entry.
2289 menu.add(R.string.view_image).setOnMenuItemClickListener(item -> {
2294 // Add a `Download Image` entry.
2295 menu.add(R.string.download_image).setOnMenuItemClickListener(item -> {
2296 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
2297 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
2298 downloadImageDialogFragment.show(getSupportFragmentManager(), getString(R.string.download));
2302 // Add a `Copy URL` entry.
2303 menu.add(R.string.copy_url).setOnMenuItemClickListener(item -> {
2304 // Save the image URL in a `ClipData`.
2305 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), imageUrl);
2307 // Set the `ClipData` as the clipboard's primary clip.
2308 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
2312 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
2313 menu.add(R.string.cancel);
2319 public void onAddDomain(AppCompatDialogFragment dialogFragment) {
2320 // Reapply the domain settings on returning to `MainWebViewActivity`.
2321 reapplyDomainSettingsOnRestart = true;
2322 currentDomainName = "";
2324 // Get the new domain name `String` from `dialogFragment`.
2325 EditText domainNameEditText = dialogFragment.getDialog().findViewById(R.id.domain_name_edittext);
2326 String domainNameString = domainNameEditText.getText().toString();
2328 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2329 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2330 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2332 // Create the domain and store the database ID in `currentDomainDatabaseId`.
2333 int newDomainDatabaseId = domainsDatabaseHelper.addDomain(domainNameString);
2335 // Create an intent to launch the domains activity.
2336 Intent domainsIntent = new Intent(this, DomainsActivity.class);
2338 // Put extra information instructing the domains activity to directly load the current domain.
2339 domainsIntent.putExtra("LoadDomain", newDomainDatabaseId);
2342 startActivity(domainsIntent);
2346 public void onCreateBookmark(AppCompatDialogFragment dialogFragment) {
2347 // Get the `EditTexts` from the `dialogFragment`.
2348 EditText createBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
2349 EditText createBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
2351 // Extract the strings from the `EditTexts`.
2352 String bookmarkNameString = createBookmarkNameEditText.getText().toString();
2353 String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
2355 // Convert the favoriteIcon Bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
2356 ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
2357 favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
2358 byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
2360 // Display the new bookmark below the current items in the (0 indexed) list.
2361 int newBookmarkDisplayOrder = bookmarksListView.getCount();
2363 // Create the bookmark.
2364 bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, currentBookmarksFolder, newBookmarkDisplayOrder, favoriteIconByteArray);
2366 // Update `bookmarksCursor` with the current contents of this folder.
2367 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
2369 // Update the `ListView`.
2370 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
2372 // Scroll to the new bookmark.
2373 bookmarksListView.setSelection(newBookmarkDisplayOrder);
2377 public void onCreateBookmarkFolder(AppCompatDialogFragment dialogFragment) {
2378 // Get handles for the views in `dialogFragment`.
2379 EditText createFolderNameEditText = dialogFragment.getDialog().findViewById(R.id.create_folder_name_edittext);
2380 RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon_radiobutton);
2381 ImageView folderIconImageView = dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon);
2383 // Get new folder name string.
2384 String folderNameString = createFolderNameEditText.getText().toString();
2386 // Get the new folder icon `Bitmap`.
2387 Bitmap folderIconBitmap;
2388 if (defaultFolderIconRadioButton.isChecked()) { // Use the default folder icon.
2389 // Get the default folder icon and convert it to a `Bitmap`.
2390 Drawable folderIconDrawable = folderIconImageView.getDrawable();
2391 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
2392 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
2393 } else { // Use the `WebView` favorite icon.
2394 folderIconBitmap = favoriteIconBitmap;
2397 // Convert `folderIconBitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
2398 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
2399 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
2400 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
2402 // Move all the bookmarks down one in the display order.
2403 for (int i = 0; i < bookmarksListView.getCount(); i++) {
2404 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
2405 bookmarksDatabaseHelper.updateDisplayOrder(databaseId, i + 1);
2408 // Create the folder, which will be placed at the top of the `ListView`.
2409 bookmarksDatabaseHelper.createFolder(folderNameString, currentBookmarksFolder, folderIconByteArray);
2411 // Update `bookmarksCursor` with the current contents of this folder.
2412 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
2414 // Update the `ListView`.
2415 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
2417 // Scroll to the new folder.
2418 bookmarksListView.setSelection(0);
2422 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
2423 // Get shortcutNameEditText from the alert dialog.
2424 EditText shortcutNameEditText = dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
2426 // Create the bookmark shortcut based on formattedUrlString.
2427 Intent bookmarkShortcut = new Intent();
2428 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
2429 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
2431 // Place the bookmark shortcut on the home screen.
2432 Intent placeBookmarkShortcut = new Intent();
2433 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
2434 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
2435 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
2436 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
2437 sendBroadcast(placeBookmarkShortcut);
2441 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
2442 // Download the image if it has an HTTP or HTTPS URI.
2443 if (imageUrl.startsWith("http")) {
2444 // Get a handle for the system `DOWNLOAD_SERVICE`.
2445 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
2447 // Parse `imageUrl`.
2448 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
2450 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
2451 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
2452 if (firstPartyCookiesEnabled) {
2453 // Get the cookies for `imageUrl`.
2454 String cookies = cookieManager.getCookie(imageUrl);
2456 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
2457 downloadRequest.addRequestHeader("Cookie", cookies);
2460 // Get the file name from `dialogFragment`.
2461 EditText downloadImageNameEditText = dialogFragment.getDialog().findViewById(R.id.download_image_name);
2462 String imageName = downloadImageNameEditText.getText().toString();
2464 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
2465 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
2466 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
2467 } else { // Only set the title using `imageName`.
2468 downloadRequest.setTitle(imageName);
2471 // Allow `MediaScanner` to index the download if it is a media file.
2472 downloadRequest.allowScanningByMediaScanner();
2474 // Add the URL as the description for the download.
2475 downloadRequest.setDescription(imageUrl);
2477 // Show the download notification after the download is completed.
2478 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2480 // Remove the lint warning below that `downloadManager` might be `null`.
2481 assert downloadManager != null;
2483 // Initiate the download.
2484 downloadManager.enqueue(downloadRequest);
2485 } else { // The image is not an HTTP or HTTPS URI.
2486 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
2491 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
2492 // Download the file if it has an HTTP or HTTPS URI.
2493 if (downloadUrl.startsWith("http")) {
2495 // Get a handle for the system `DOWNLOAD_SERVICE`.
2496 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
2498 // Parse `downloadUrl`.
2499 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
2501 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
2502 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
2503 if (firstPartyCookiesEnabled) {
2504 // Get the cookies for `downloadUrl`.
2505 String cookies = cookieManager.getCookie(downloadUrl);
2507 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
2508 downloadRequest.addRequestHeader("Cookie", cookies);
2511 // Get the file name from `dialogFragment`.
2512 EditText downloadFileNameEditText = dialogFragment.getDialog().findViewById(R.id.download_file_name);
2513 String fileName = downloadFileNameEditText.getText().toString();
2515 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
2516 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
2517 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
2518 } else { // Only set the title using `fileName`.
2519 downloadRequest.setTitle(fileName);
2522 // Allow `MediaScanner` to index the download if it is a media file.
2523 downloadRequest.allowScanningByMediaScanner();
2525 // Add the URL as the description for the download.
2526 downloadRequest.setDescription(downloadUrl);
2528 // Show the download notification after the download is completed.
2529 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2531 // Remove the lint warning below that `downloadManager` might be `null`.
2532 assert downloadManager != null;
2534 // Initiate the download.
2535 downloadManager.enqueue(downloadRequest);
2536 } else { // The download is not an HTTP or HTTPS URI.
2537 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
2542 public void onSaveBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
2543 // Get handles for the views from `dialogFragment`.
2544 EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
2545 EditText editBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
2546 RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
2548 // Store the bookmark strings.
2549 String bookmarkNameString = editBookmarkNameEditText.getText().toString();
2550 String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
2552 // Update the bookmark.
2553 if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon.
2554 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
2555 } else { // Update the bookmark using the `WebView` favorite icon.
2556 // Convert the favorite icon to a byte array. `0` is for lossless compression (the only option for a PNG).
2557 ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
2558 favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
2559 byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
2561 // Update the bookmark and the favorite icon.
2562 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray);
2565 // Update `bookmarksCursor` with the current contents of this folder.
2566 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
2568 // Update the `ListView`.
2569 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
2573 public void onSaveBookmarkFolder(AppCompatDialogFragment dialogFragment, int selectedFolderDatabaseId) {
2574 // Get handles for the views from `dialogFragment`.
2575 EditText editFolderNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
2576 RadioButton currentFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
2577 RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
2578 ImageView folderIconImageView = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_imageview);
2580 // Get the new folder name.
2581 String newFolderNameString = editFolderNameEditText.getText().toString();
2583 // Check if the favorite icon has changed.
2584 if (currentFolderIconRadioButton.isChecked()) { // Only the name has changed.
2585 // Update the name in the database.
2586 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString);
2587 } else if (!currentFolderIconRadioButton.isChecked() && newFolderNameString.equals(oldFolderNameString)) { // Only the icon has changed.
2588 // Get the new folder icon `Bitmap`.
2589 Bitmap folderIconBitmap;
2590 if (defaultFolderIconRadioButton.isChecked()) {
2591 // Get the default folder icon and convert it to a `Bitmap`.
2592 Drawable folderIconDrawable = folderIconImageView.getDrawable();
2593 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
2594 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
2595 } else { // Use the `WebView` favorite icon.
2596 folderIconBitmap = favoriteIconBitmap;
2599 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
2600 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
2601 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
2602 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
2604 // Update the folder icon in the database.
2605 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, folderIconByteArray);
2606 } else { // The folder icon and the name have changed.
2607 // Get the new folder icon `Bitmap`.
2608 Bitmap folderIconBitmap;
2609 if (defaultFolderIconRadioButton.isChecked()) {
2610 // Get the default folder icon and convert it to a `Bitmap`.
2611 Drawable folderIconDrawable = folderIconImageView.getDrawable();
2612 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
2613 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
2614 } else { // Use the `WebView` favorite icon.
2615 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
2618 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
2619 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
2620 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
2621 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
2623 // Update the folder name and icon in the database.
2624 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, folderIconByteArray);
2627 // Update `bookmarksCursor` with the current contents of this folder.
2628 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
2630 // Update the `ListView`.
2631 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
2635 public void onHttpAuthenticationCancel() {
2636 // Cancel the `HttpAuthHandler`.
2637 httpAuthHandler.cancel();
2641 public void onHttpAuthenticationProceed(AppCompatDialogFragment dialogFragment) {
2642 // Get handles for the `EditTexts`.
2643 EditText usernameEditText = dialogFragment.getDialog().findViewById(R.id.http_authentication_username);
2644 EditText passwordEditText = dialogFragment.getDialog().findViewById(R.id.http_authentication_password);
2646 // Proceed with the HTTP authentication.
2647 httpAuthHandler.proceed(usernameEditText.getText().toString(), passwordEditText.getText().toString());
2650 public void viewSslCertificate(View view) {
2651 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
2652 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
2653 viewSslCertificateDialogFragment.show(getFragmentManager(), getString(R.string.view_ssl_certificate));
2657 public void onSslErrorCancel() {
2658 sslErrorHandler.cancel();
2662 public void onSslErrorProceed() {
2663 sslErrorHandler.proceed();
2667 public void onSslMismatchBack() {
2668 if (mainWebView.canGoBack()) { // There is a back page in the history.
2669 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2670 navigatingHistory = true;
2673 mainWebView.goBack();
2674 } else { // There are no pages to go back to.
2675 // Load a blank page
2681 public void onSslMismatchProceed() {
2682 // Do not check the pinned SSL certificate for this domain again until the domain changes.
2683 ignorePinnedSslCertificate = true;
2687 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
2688 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2689 navigatingHistory = true;
2691 // Load the history entry.
2692 mainWebView.goBackOrForward(moveBackOrForwardSteps);
2696 public void onClearHistory() {
2697 // Clear the history.
2698 mainWebView.clearHistory();
2701 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
2703 public void onBackPressed() {
2704 if (drawerLayout.isDrawerVisible(GravityCompat.START)) { // The navigation drawer is open.
2705 // Close the navigation drawer.
2706 drawerLayout.closeDrawer(GravityCompat.START);
2707 } else if (drawerLayout.isDrawerVisible(GravityCompat.END)){ // The bookmarks drawer is open.
2708 if (currentBookmarksFolder.isEmpty()) { // The home folder is displayed.
2709 // close the bookmarks drawer.
2710 drawerLayout.closeDrawer(GravityCompat.END);
2711 } else { // A subfolder is displayed.
2712 // Place the former parent folder in `currentFolder`.
2713 currentBookmarksFolder = bookmarksDatabaseHelper.getParentFolder(currentBookmarksFolder);
2715 // Load the new folder.
2716 loadBookmarksFolder();
2719 } else if (mainWebView.canGoBack()) { // There is at least one item in the `WebView` history.
2720 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2721 navigatingHistory = true;
2724 mainWebView.goBack();
2725 } else { // There isn't anything to do in Privacy Browser.
2726 // Pass `onBackPressed()` to the system.
2727 super.onBackPressed();
2731 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
2732 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
2733 String unformattedUrlString = urlTextBox.getText().toString().trim();
2735 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
2736 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
2737 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
2738 if (!unformattedUrlString.startsWith("http")) {
2739 unformattedUrlString = "http://" + unformattedUrlString;
2742 // Initialize `unformattedUrl`.
2743 URL unformattedUrl = null;
2745 // 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.
2747 unformattedUrl = new URL(unformattedUrlString);
2748 } catch (MalformedURLException e) {
2749 e.printStackTrace();
2752 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
2753 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
2754 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
2755 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
2756 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
2757 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
2760 Uri.Builder formattedUri = new Uri.Builder();
2761 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
2763 // Decode `formattedUri` as a `String` in `UTF-8`.
2764 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
2766 // Sanitize the search input and convert it to a search.
2767 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
2769 // Add the base search URL.
2770 formattedUrlString = searchURL + encodedUrlString;
2773 loadUrl(formattedUrlString);
2777 private void loadUrl(String url) {
2778 // Apply any custom domain settings.
2779 applyDomainSettings(url);
2782 mainWebView.loadUrl(url, customHeaders);
2784 // Set `urlIsLoading` to prevent changes in the user agent on websites with redirects from reloading the current website.
2785 urlIsLoading = true;
2788 public void findPreviousOnPage(View view) {
2789 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2790 mainWebView.findNext(false);
2793 public void findNextOnPage(View view) {
2794 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2795 mainWebView.findNext(true);
2798 public void closeFindOnPage(View view) {
2799 // Delete the contents of `find_on_page_edittext`.
2800 findOnPageEditText.setText(null);
2802 // Clear the highlighted phrases.
2803 mainWebView.clearMatches();
2805 // Hide the Find on Page `RelativeLayout`.
2806 findOnPageLinearLayout.setVisibility(View.GONE);
2808 // Show the URL app bar.
2809 supportAppBar.setVisibility(View.VISIBLE);
2811 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2812 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2815 private void applyAppSettings() {
2816 // Get a handle for `sharedPreferences`. `this` references the current context.
2817 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2819 // Store the values from `sharedPreferences` in variables.
2820 String homepageString = sharedPreferences.getString("homepage", "https://start.duckduckgo.com");
2821 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2822 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2823 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2824 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2825 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2826 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2827 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2828 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2829 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2830 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2831 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2832 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2833 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2834 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2836 // Set the homepage, search, and proxy options.
2837 if (proxyThroughOrbot) { // Set the Tor options.
2838 // Set `torHomepageString` as `homepage`.
2839 homepage = torHomepageString;
2841 // If formattedUrlString is null assign the homepage to it.
2842 if (formattedUrlString == null) {
2843 formattedUrlString = homepage;
2846 // Set the search URL.
2847 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2848 searchURL = torSearchCustomURLString;
2849 } else { // Use the string from the pre-built list.
2850 searchURL = torSearchString;
2853 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2854 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2856 // Set the `appBar` background to indicate proxying through Orbot is enabled. `this` refers to the context.
2858 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.dark_blue_30));
2860 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.blue_50));
2863 // Display a message to the user if we are waiting on Orbot.
2864 if (!orbotStatus.equals("ON")) {
2865 // Set `waitingForOrbot`.
2866 waitingForOrbot = true;
2868 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2869 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2871 } else { // Set the non-Tor options.
2872 // Set `homepageString` as `homepage`.
2873 homepage = homepageString;
2875 // If formattedUrlString is null assign the homepage to it.
2876 if (formattedUrlString == null) {
2877 formattedUrlString = homepage;
2880 // Set the search URL.
2881 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2882 searchURL = searchCustomURLString;
2883 } else { // Use the string from the pre-built list.
2884 searchURL = searchString;
2887 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2888 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2890 // Set the default `appBar` background. `this` refers to the context.
2892 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_900));
2894 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_100));
2897 // Reset `waitingForOrbot.
2898 waitingForOrbot = false;
2901 // Set swipe to refresh.
2902 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2904 // Set Do Not Track status.
2905 if (doNotTrackEnabled) {
2906 customHeaders.put("DNT", "1");
2908 customHeaders.remove("DNT");
2911 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2912 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2913 if (hideSystemBarsOnFullscreen) { // Hide everything.
2914 // Remove the translucent navigation setting if it is currently flagged.
2915 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2917 // Remove the translucent status bar overlay.
2918 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2920 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2921 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2923 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2924 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2925 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2927 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2928 } else { // Hide everything except the status and navigation bars.
2929 // Add the translucent status flag if it is unset.
2930 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2932 if (translucentNavigationBarOnFullscreen) {
2933 // Set the navigation bar to be translucent.
2934 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2936 // Set the navigation bar to be black.
2937 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2940 } else { // Switch to normal viewing mode.
2941 // Reset `inFullScreenBrowsingMode` to `false`.
2942 inFullScreenBrowsingMode = false;
2944 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2945 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2949 // Show the `BannerAd` in the free flavor.
2950 if (BuildConfig.FLAVOR.contentEquals("free")) {
2951 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2952 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2954 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2955 adView = findViewById(R.id.adview);
2958 // Remove the translucent navigation bar flag if it is set.
2959 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2961 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2962 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2964 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2965 rootCoordinatorLayout.setSystemUiVisibility(0);
2967 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2968 rootCoordinatorLayout.setFitsSystemWindows(true);
2972 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2973 @SuppressWarnings("deprecation")
2974 private void applyDomainSettings(String url) {
2975 // Reset `navigatingHistory`.
2976 navigatingHistory = false;
2978 // Parse the URL into a URI.
2979 Uri uri = Uri.parse(url);
2981 // Extract the domain from `uri`.
2982 String hostName = uri.getHost();
2984 // Initialize `loadingNewDomainName`.
2985 boolean loadingNewDomainName;
2987 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
2988 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
2989 //noinspection SimplifiableIfStatement
2990 if ((hostName == null) || (currentDomainName == null)) {
2991 loadingNewDomainName = true;
2992 } else { // Determine if `hostName` equals `currentDomainName`.
2993 loadingNewDomainName = !hostName.equals(currentDomainName);
2996 // Only apply the domain settings if we are loading a new domain. This allows the user to set temporary settings for JavaScript, cookies, DOM storage, etc.
2997 if (loadingNewDomainName) {
2998 // Set the new `hostname` as the `currentDomainName`.
2999 currentDomainName = hostName;
3001 // Reset `ignorePinnedSslCertificate`.
3002 ignorePinnedSslCertificate = false;
3004 // Reset `favoriteIconBitmap` and display it in the `appbar`.
3005 favoriteIconBitmap = favoriteIconDefaultBitmap;
3006 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
3008 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
3009 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
3010 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
3012 // Get a full cursor from `domainsDatabaseHelper`.
3013 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
3015 // Initialize `domainSettingsSet`.
3016 Set<String> domainSettingsSet = new HashSet<>();
3018 // Get the domain name column index.
3019 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
3021 // Populate `domainSettingsSet`.
3022 for (int i = 0; i < domainNameCursor.getCount(); i++) {
3023 // Move `domainsCursor` to the current row.
3024 domainNameCursor.moveToPosition(i);
3026 // Store the domain name in `domainSettingsSet`.
3027 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
3030 // Close `domainNameCursor.
3031 domainNameCursor.close();
3033 // Initialize variables to track if domain settings will be applied and, if so, under which name.
3034 domainSettingsApplied = false;
3035 String domainNameInDatabase = null;
3037 // Check the hostname.
3038 if (domainSettingsSet.contains(hostName)) {
3039 domainSettingsApplied = true;
3040 domainNameInDatabase = hostName;
3043 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
3044 if (hostName != null) {
3045 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
3046 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
3047 domainSettingsApplied = true;
3048 domainNameInDatabase = "*." + hostName;
3051 // Strip out the lowest subdomain of `host`.
3052 hostName = hostName.substring(hostName.indexOf(".") + 1);
3056 // Get a handle for the shared preference. `this` references the current context.
3057 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
3059 // Store the general preference information.
3060 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
3061 String defaultUserAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
3062 String defaultCustomUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
3063 nightMode = sharedPreferences.getBoolean("night_mode", false);
3065 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
3066 // Get a cursor for the current host and move it to the first position.
3067 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
3068 currentHostDomainSettingsCursor.moveToFirst();
3070 // Get the settings from the cursor.
3071 domainSettingsDatabaseId = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper._ID)));
3072 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
3073 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
3074 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
3075 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
3076 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
3077 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
3078 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
3079 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
3080 int nightModeInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE));
3081 pinnedDomainSslCertificate = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)) == 1);
3082 pinnedDomainSslIssuedToCNameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME));
3083 pinnedDomainSslIssuedToONameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION));
3084 pinnedDomainSslIssuedToUNameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT));
3085 pinnedDomainSslIssuedByCNameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME));
3086 pinnedDomainSslIssuedByONameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION));
3087 pinnedDomainSslIssuedByUNameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT));
3089 // Set `nightMode` according to `nightModeInt`. If `nightModeInt` is `DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT` the current setting from `sharedPreferences` will be used.
3090 switch (nightModeInt) {
3091 case DomainsDatabaseHelper.NIGHT_MODE_ENABLED:
3095 case DomainsDatabaseHelper.NIGHT_MODE_DISABLED:
3100 // Set `javaScriptEnabled` to be `true` if `night_mode` is `true`.
3102 javaScriptEnabled = true;
3105 // Set the pinned SSL certificate start date to `null` if the saved date `long` is 0.
3106 if (currentHostDomainSettingsCursor.getLong(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)) == 0) {
3107 pinnedDomainSslStartDate = null;
3109 pinnedDomainSslStartDate = new Date(currentHostDomainSettingsCursor.getLong(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
3112 // Set the pinned SSL certificate end date to `null` if the saved date `long` is 0.
3113 if (currentHostDomainSettingsCursor.getLong(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)) == 0) {
3114 pinnedDomainSslEndDate = null;
3116 pinnedDomainSslEndDate = new Date(currentHostDomainSettingsCursor.getLong(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
3119 // Close `currentHostDomainSettingsCursor`.
3120 currentHostDomainSettingsCursor.close();
3122 // Apply the domain settings.
3123 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
3124 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
3125 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
3126 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
3128 // Apply the font size.
3129 if (fontSize == 0) { // Apply the default font size.
3130 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
3131 } else { // Apply the specified font size.
3132 mainWebView.getSettings().setTextZoom(fontSize);
3135 // Set third-party cookies status if API >= 21.
3136 if (Build.VERSION.SDK_INT >= 21) {
3137 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
3140 // Only set the user agent if the webpage is not currently loading. Otherwise, changing the user agent on redirects can cause the original website to reload. <https://redmine.stoutner.com/issues/160>
3141 if (!urlIsLoading) {
3142 switch (userAgentString) {
3143 case "System default user agent":
3144 // Set the user agent according to the system default.
3145 switch (defaultUserAgentString) {
3146 case "WebView default user agent":
3147 // Set the user agent to `""`, which uses the default value.
3148 mainWebView.getSettings().setUserAgentString("");
3151 case "Custom user agent":
3152 // Set the custom user agent.
3153 mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
3157 // Use the selected user agent.
3158 mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
3162 case "WebView default user agent":
3163 // Set the user agent to `""`, which uses the default value.
3164 mainWebView.getSettings().setUserAgentString("");
3168 // Use the selected user agent.
3169 mainWebView.getSettings().setUserAgentString(userAgentString);
3173 // 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.
3175 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue));
3177 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green));
3179 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
3180 // Store the values from `sharedPreferences` in variables.
3181 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
3182 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
3183 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
3184 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
3185 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
3187 // Set `javaScriptEnabled` to be `true` if `night_mode` is `true`.
3189 javaScriptEnabled = true;
3192 // Apply the default settings.
3193 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
3194 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
3195 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
3196 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
3197 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
3199 // Reset the pinned SSL certificate information.
3200 domainSettingsDatabaseId = -1;
3201 pinnedDomainSslCertificate = false;
3202 pinnedDomainSslIssuedToCNameString = "";
3203 pinnedDomainSslIssuedToONameString = "";
3204 pinnedDomainSslIssuedToUNameString = "";
3205 pinnedDomainSslIssuedByCNameString = "";
3206 pinnedDomainSslIssuedByONameString = "";
3207 pinnedDomainSslIssuedByUNameString = "";
3208 pinnedDomainSslStartDate = null;
3209 pinnedDomainSslEndDate = null;
3211 // Set third-party cookies status if API >= 21.
3212 if (Build.VERSION.SDK_INT >= 21) {
3213 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
3216 // Only set the user agent if the webpage is not currently loading. Otherwise, changing the user agent on redirects can cause the original website to reload. <https://redmine.stoutner.com/issues/160>
3217 if (!urlIsLoading) {
3218 switch (defaultUserAgentString) {
3219 case "WebView default user agent":
3220 // Set the user agent to `""`, which uses the default value.
3221 mainWebView.getSettings().setUserAgentString("");
3224 case "Custom user agent":
3225 // Set the custom user agent.
3226 mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
3230 // Use the selected user agent.
3231 mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
3235 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
3236 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.color.transparent));
3239 // Close `domainsDatabaseHelper`.
3240 domainsDatabaseHelper.close();
3242 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
3243 onTheFlyDisplayImagesSet = false;
3244 setDisplayWebpageImages();
3246 // Update the privacy icons, but only if `mainMenu` has already been populated.
3247 if (mainMenu != null) {
3248 updatePrivacyIcons(true);
3253 private void setDisplayWebpageImages() {
3254 if (!onTheFlyDisplayImagesSet) {
3255 if (domainSettingsApplied) { // Custom domain settings are applied.
3256 switch (displayWebpageImagesInt) {
3257 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
3258 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
3261 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
3262 mainWebView.getSettings().setLoadsImagesAutomatically(true);
3265 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
3266 mainWebView.getSettings().setLoadsImagesAutomatically(false);
3269 } else { // Default settings are applied.
3270 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
3275 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
3276 // Get handles for the icons.
3277 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
3278 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
3279 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
3280 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
3282 // Update `privacyIcon`.
3283 if (javaScriptEnabled) { // JavaScript is enabled.
3284 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
3285 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
3286 privacyIconMenuItem.setIcon(R.drawable.warning);
3287 } else { // All the dangerous features are disabled.
3288 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
3291 // Update `firstPartyCookiesIcon`.
3292 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
3293 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
3294 } else { // First-party cookies are disabled.
3296 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_dark);
3298 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_light);
3302 // Update `domStorageIcon`.
3303 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
3304 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
3305 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
3307 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_dark);
3309 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_light);
3311 } else { // JavaScript is disabled, so DOM storage is ghosted.
3313 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_dark);
3315 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_light);
3319 // Update `formDataIcon`.
3320 if (saveFormDataEnabled) { // Form data is enabled.
3321 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
3322 } else { // Form data is disabled.
3324 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_dark);
3326 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_light);
3330 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
3331 if (runInvalidateOptionsMenu) {
3332 ActivityCompat.invalidateOptionsMenu(this);
3336 private void highlightUrlText() {
3337 String urlString = urlTextBox.getText().toString();
3339 if (urlString.startsWith("http://")) { // Highlight connections that are not encrypted.
3340 urlTextBox.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
3341 } else if (urlString.startsWith("https://")) { // Highlight connections that are encrypted.
3342 urlTextBox.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
3345 // Get the index of the `/` immediately after the domain name.
3346 int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
3348 // De-emphasize the text after the domain name.
3349 if (endOfDomainName > 0) {
3350 urlTextBox.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
3354 private void loadBookmarksFolder() {
3355 // Update `bookmarksCursor` with the contents of the bookmarks database for the current folder.
3356 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
3358 // Populate the bookmarks cursor adapter. `this` specifies the `Context`. `false` disables `autoRequery`.
3359 bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
3361 public View newView(Context context, Cursor cursor, ViewGroup parent) {
3362 // Inflate the individual item layout. `false` does not attach it to the root.
3363 return getLayoutInflater().inflate(R.layout.bookmarks_drawer_item_linearlayout, parent, false);
3367 public void bindView(View view, Context context, Cursor cursor) {
3368 // Get handles for the views.
3369 ImageView bookmarkFavoriteIcon = view.findViewById(R.id.bookmark_favorite_icon);
3370 TextView bookmarkNameTextView = view.findViewById(R.id.bookmark_name);
3372 // Get the favorite icon byte array from the `Cursor`.
3373 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
3375 // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
3376 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
3378 // Display the bitmap in `bookmarkFavoriteIcon`.
3379 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
3381 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
3382 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
3383 bookmarkNameTextView.setText(bookmarkNameString);
3385 // Make the font bold for folders.
3386 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
3387 bookmarkNameTextView.setTypeface(Typeface.DEFAULT_BOLD);
3388 } else { // Reset the font to default for normal bookmarks.
3389 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
3394 // Populate the `ListView` with the adapter.
3395 bookmarksListView.setAdapter(bookmarksCursorAdapter);
3397 // Set the bookmarks drawer title.
3398 if (currentBookmarksFolder.isEmpty()) {
3399 bookmarksTitleTextView.setText(R.string.bookmarks);
3401 bookmarksTitleTextView.setText(currentBookmarksFolder);