2 * Copyright © 2015-2018 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 // `ShortcutInfoCompat`, `ShortcutManagerCompat`, and `IconCompat` can be switched to the non-compat version once API >= 26.
58 import android.support.v4.content.pm.ShortcutInfoCompat;
59 import android.support.v4.content.pm.ShortcutManagerCompat;
60 import android.support.v4.graphics.drawable.IconCompat;
61 import android.support.v4.view.GravityCompat;
62 import android.support.v4.widget.DrawerLayout;
63 import android.support.v4.widget.SwipeRefreshLayout;
64 import android.support.v7.app.ActionBar;
65 import android.support.v7.app.ActionBarDrawerToggle;
66 import android.support.v7.app.AppCompatActivity;
67 import android.support.v7.app.AppCompatDialogFragment;
68 import android.support.v7.widget.Toolbar;
69 import android.text.Editable;
70 import android.text.Spanned;
71 import android.text.TextWatcher;
72 import android.text.style.ForegroundColorSpan;
73 import android.util.Patterns;
74 import android.view.ContextMenu;
75 import android.view.GestureDetector;
76 import android.view.KeyEvent;
77 import android.view.Menu;
78 import android.view.MenuItem;
79 import android.view.MotionEvent;
80 import android.view.View;
81 import android.view.ViewGroup;
82 import android.view.WindowManager;
83 import android.view.inputmethod.InputMethodManager;
84 import android.webkit.CookieManager;
85 import android.webkit.HttpAuthHandler;
86 import android.webkit.SslErrorHandler;
87 import android.webkit.WebBackForwardList;
88 import android.webkit.WebChromeClient;
89 import android.webkit.WebResourceResponse;
90 import android.webkit.WebStorage;
91 import android.webkit.WebView;
92 import android.webkit.WebViewClient;
93 import android.webkit.WebViewDatabase;
94 import android.widget.CursorAdapter;
95 import android.widget.EditText;
96 import android.widget.FrameLayout;
97 import android.widget.ImageView;
98 import android.widget.LinearLayout;
99 import android.widget.ListView;
100 import android.widget.ProgressBar;
101 import android.widget.RadioButton;
102 import android.widget.RelativeLayout;
103 import android.widget.TextView;
105 import com.stoutner.privacybrowser.BannerAd;
106 import com.stoutner.privacybrowser.BuildConfig;
107 import com.stoutner.privacybrowser.R;
108 import com.stoutner.privacybrowser.dialogs.AddDomainDialog;
109 import com.stoutner.privacybrowser.dialogs.CreateBookmarkDialog;
110 import com.stoutner.privacybrowser.dialogs.CreateBookmarkFolderDialog;
111 import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcutDialog;
112 import com.stoutner.privacybrowser.dialogs.DownloadImageDialog;
113 import com.stoutner.privacybrowser.dialogs.EditBookmarkDialog;
114 import com.stoutner.privacybrowser.dialogs.EditBookmarkFolderDialog;
115 import com.stoutner.privacybrowser.dialogs.HttpAuthenticationDialog;
116 import com.stoutner.privacybrowser.dialogs.PinnedSslCertificateMismatchDialog;
117 import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog;
118 import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog;
119 import com.stoutner.privacybrowser.helpers.BookmarksDatabaseHelper;
120 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
121 import com.stoutner.privacybrowser.helpers.OrbotProxyHelper;
122 import com.stoutner.privacybrowser.dialogs.DownloadFileDialog;
123 import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog;
125 import java.io.BufferedReader;
126 import java.io.ByteArrayInputStream;
127 import java.io.ByteArrayOutputStream;
129 import java.io.IOException;
130 import java.io.InputStreamReader;
131 import java.io.UnsupportedEncodingException;
132 import java.net.MalformedURLException;
134 import java.net.URLDecoder;
135 import java.net.URLEncoder;
136 import java.util.Date;
137 import java.util.HashMap;
138 import java.util.HashSet;
139 import java.util.Map;
140 import java.util.Set;
142 // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
143 public class MainWebViewActivity extends AppCompatActivity implements AddDomainDialog.AddDomainListener, CreateBookmarkDialog.CreateBookmarkListener, CreateBookmarkFolderDialog.CreateBookmarkFolderListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
144 DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, EditBookmarkDialog.EditBookmarkListener, EditBookmarkFolderDialog.EditBookmarkFolderListener, HttpAuthenticationDialog.HttpAuthenticationListener,
145 NavigationView.OnNavigationItemSelectedListener, PinnedSslCertificateMismatchDialog.PinnedSslCertificateMismatchListener, SslCertificateErrorDialog.SslCertificateErrorListener, UrlHistoryDialog.UrlHistoryListener {
147 // `darkTheme` is public static so it can be accessed from `AboutActivity`, `GuideActivity`, `AddDomainDialog`, `SettingsActivity`, `DomainsActivity`, `DomainsListFragment`, `BookmarksActivity`, `BookmarksDatabaseViewActivity`,
148 // `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `DownloadFileDialog`, `DownloadImageDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `EditBookmarkDatabaseViewDialog`, `HttpAuthenticationDialog`, `MoveToFolderDialog`,
149 // `SslCertificateErrorDialog`, `UrlHistoryDialog`, `ViewSslCertificateDialog`, `CreateHomeScreenShortcutDialog`, and `OrbotProxyHelper`. It is also used in `onCreate()`, `applyAppSettings()`, `applyDomainSettings()`, and `updatePrivacyIcons()`.
150 public static boolean darkTheme;
152 // `favoriteIconBitmap` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `BookmarksDatabaseViewActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `EditBookmarkDialog`,
153 // `EditBookmarkFolderDialog`, `EditBookmarkDatabaseViewDialog`, and `ViewSslCertificateDialog`. It is also used in `onCreate()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onCreateHomeScreenShortcutCreate()`, `onSaveEditBookmark()`,
154 // `onSaveEditBookmarkFolder()`, and `applyDomainSettings()`.
155 public static Bitmap favoriteIconBitmap;
157 // `formattedUrlString` is public static so it can be accessed from `BookmarksActivity`, `CreateBookmarkDialog`, and `AddDomainDialog`.
158 // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onCreateHomeScreenShortcutCreate()`, and `loadUrlFromTextBox()`.
159 public static String formattedUrlString;
161 // `sslCertificate` is public static so it can be accessed from `DomainsActivity`, `DomainsListFragment`, `DomainSettingsFragment`, `PinnedSslCertificateMismatchDialog`, and `ViewSslCertificateDialog`. It is also used in `onCreate()`.
162 public static SslCertificate sslCertificate;
164 // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`.
165 public static String orbotStatus;
167 // `webViewTitle` is public static so it can be accessed from `CreateBookmarkDialog` and `CreateHomeScreenShortcutDialog`. It is also used in `onCreate()`.
168 public static String webViewTitle;
170 // `appliedUserAgentString` is public static so it can be accessed from `ViewSourceActivity`. It is also used in `applyDomainSettings()`.
171 public static String appliedUserAgentString;
173 // `displayWebpageImagesBoolean` is public static so it can be accessed from `DomainSettingsFragment`. It is also used in `applyAppSettings()` and `applyDomainSettings()`.
174 public static boolean displayWebpageImagesBoolean;
176 // `reloadOnRestart` is public static so it can be accessed from `SettingsFragment`. It is also used in `onRestart()`
177 public static boolean reloadOnRestart;
179 // `reloadUrlOnRestart` is public static so it can be accessed from `SettingsFragment`. It is also used in `onRestart()`.
180 public static boolean loadUrlOnRestart;
182 // `restartFromBookmarksActivity` is public static so it can be accessed from `BookmarksActivity`. It is also used in `onRestart()`.
183 public static boolean restartFromBookmarksActivity;
185 // `currentBookmarksFolder` is public static so it can be accessed from `BookmarksActivity`. It is also used in `onCreate()`, `onBackPressed()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and
186 // `loadBookmarksFolder()`.
187 public static String currentBookmarksFolder;
189 // `domainSettingsDatabaseId` is public static so it can be accessed from `PinnedSslCertificateMismatchDialog`. It is also used in `onCreate()`, `onOptionsItemSelected()`, and `applyDomainSettings()`.
190 public static int domainSettingsDatabaseId;
192 // The pinned domain SSL Certificate variables are public static so they can be accessed from `PinnedSslCertificateMismatchDialog`. They are also used in `onCreate()` and `applyDomainSettings()`.
193 public static String pinnedDomainSslIssuedToCNameString;
194 public static String pinnedDomainSslIssuedToONameString;
195 public static String pinnedDomainSslIssuedToUNameString;
196 public static String pinnedDomainSslIssuedByCNameString;
197 public static String pinnedDomainSslIssuedByONameString;
198 public static String pinnedDomainSslIssuedByUNameString;
199 public static Date pinnedDomainSslStartDate;
200 public static Date pinnedDomainSslEndDate;
203 // `appBar` is used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applyAppSettings()`.
204 private ActionBar appBar;
206 // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, `onSslMismatchBack()`, and `applyDomainSettings()`.
207 private boolean navigatingHistory;
209 // `favoriteIconDefaultBitmap` is used in `onCreate()` and `applyDomainSettings`.
210 private Bitmap favoriteIconDefaultBitmap;
212 // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, `onBackPressed()`, and `onRestart()`.
213 private DrawerLayout drawerLayout;
215 // `rootCoordinatorLayout` is used in `onCreate()` and `applyAppSettings()`.
216 private CoordinatorLayout rootCoordinatorLayout;
218 // `mainWebView` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, `loadUrlFromTextBox()`
219 // `onSslMismatchBack()`, and `setDisplayWebpageImages()`.
220 private WebView mainWebView;
222 // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
223 private FrameLayout fullScreenVideoFrameLayout;
225 // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
226 private SwipeRefreshLayout swipeRefreshLayout;
228 // `urlAppBarRelativeLayout` is used in `onCreate()` and `applyDomainSettings()`.
229 private RelativeLayout urlAppBarRelativeLayout;
231 // `favoriteIconImageView` is used in `onCreate()` and `applyDomainSettings()`
232 private ImageView favoriteIconImageView;
234 // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `loadUrlFromTextBox()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
235 private CookieManager cookieManager;
237 // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`.
238 private final Map<String, String> customHeaders = new HashMap<>();
240 // `javaScriptEnabled` is also used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `applyDomainSettings()`, and `updatePrivacyIcons()`.
241 private boolean javaScriptEnabled;
243 // `firstPartyCookiesEnabled` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applyDomainSettings()`.
244 private boolean firstPartyCookiesEnabled;
246 // `thirdPartyCookiesEnabled` used in `onCreate()`, `onPrepareOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyDomainSettings()`.
247 private boolean thirdPartyCookiesEnabled;
249 // `domStorageEnabled` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyDomainSettings()`.
250 private boolean domStorageEnabled;
252 // `saveFormDataEnabled` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyDomainSettings()`.
253 private boolean saveFormDataEnabled;
255 // `nightMode` is used in `onCreate()` and `applyDomainSettings()`.
256 private boolean nightMode;
258 // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applyAppSettings()`.
259 private boolean swipeToRefreshEnabled;
261 // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applyAppSettings()`.
262 private String homepage;
264 // `searchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
265 private String searchURL;
267 // `adBlockerEnabled` is used in `onCreate()` and `applyAppSettings()`.
268 private boolean adBlockerEnabled;
270 // `privacyBrowserRuntime` is used in `onCreate()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
271 private Runtime privacyBrowserRuntime;
273 // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
274 private boolean incognitoModeEnabled;
276 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
277 private boolean fullScreenBrowsingModeEnabled;
279 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
280 private boolean inFullScreenBrowsingMode;
282 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
283 private boolean hideSystemBarsOnFullscreen;
285 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
286 private boolean translucentNavigationBarOnFullscreen;
288 // `reapplyDomainSettingsOnRestart` is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, and `onAddDomain()`, .
289 private boolean reapplyDomainSettingsOnRestart;
291 // `currentDomainName` is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onAddDomain()`, and `applyDomainSettings()`.
292 private String currentDomainName;
294 // `ignorePinnedSslCertificateForDomain` is used in `onCreate()`, `onSslMismatchProceed()`, and `applyDomainSettings()`.
295 private boolean ignorePinnedSslCertificate;
297 // `waitingForOrbot` is used in `onCreate()` and `applyAppSettings()`.
298 private boolean waitingForOrbot;
300 // `domainSettingsApplied` is used in `prepareOptionsMenu()`, `applyDomainSettings()`, and `setDisplayWebpageImages()`.
301 private boolean domainSettingsApplied;
303 // `displayWebpageImagesInt` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
304 private int displayWebpageImagesInt;
306 // `onTheFlyDisplayImagesSet` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
307 private boolean onTheFlyDisplayImagesSet;
309 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
310 private String waitingForOrbotHTMLString;
312 // `privateDataDirectoryString` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`.
313 private String privateDataDirectoryString;
315 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
316 private LinearLayout findOnPageLinearLayout;
318 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
319 private EditText findOnPageEditText;
321 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
322 private Menu mainMenu;
324 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
325 private ActionBarDrawerToggle drawerToggle;
327 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
328 private Toolbar supportAppBar;
330 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, `loadUrl()`, and `highlightUrlText()`.
331 private EditText urlTextBox;
333 // The color spans are used in `onCreate()` and `highlightUrlText()`.
334 private ForegroundColorSpan redColorSpan;
335 private ForegroundColorSpan initialGrayColorSpan;
336 private ForegroundColorSpan finalGrayColorSpan;
338 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
341 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
342 private SslErrorHandler sslErrorHandler;
344 // `httpAuthHandler` is used in `onCreate()`, `onHttpAuthenticationCancel()`, and `onHttpAuthenticationProceed()`.
345 private static HttpAuthHandler httpAuthHandler;
347 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
348 private InputMethodManager inputMethodManager;
350 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
351 private RelativeLayout mainWebViewRelativeLayout;
353 // `urlIsLoading` is used in `onCreate()`, `loadUrl()`, and `applyDomainSettings()`.
354 private boolean urlIsLoading;
356 // `pinnedDomainSslCertificate` is used in `onCreate()` and `applyDomainSettings()`.
357 private boolean pinnedDomainSslCertificate;
359 // `bookmarksDatabaseHelper` is used in `onCreate()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and `loadBookmarksFolder()`.
360 private BookmarksDatabaseHelper bookmarksDatabaseHelper;
362 // `bookmarksListView` is used in `onCreate()`, `onCreateBookmark()`, `onCreateBookmarkFolder()`, and `loadBookmarksFolder()`.
363 private ListView bookmarksListView;
365 // `bookmarksTitleTextView` is used in `onCreate()` and `loadBookmarksFolder()`.
366 private TextView bookmarksTitleTextView;
368 // `bookmarksCursor` is used in `onCreateBookmark()`, `onCreateBookmarkFolder()`, `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and `loadBookmarksFolder()`.
369 private Cursor bookmarksCursor;
371 // `bookmarksCursorAdapter` is used in `onCreateBookmark()`, `onCreateBookmarkFolder()` `onSaveEditBookmark()`, `onSaveEditBookmarkFolder()`, and `loadBookmarksFolder()`.
372 private CursorAdapter bookmarksCursorAdapter;
374 // `oldFolderNameString` is used in `onCreate()` and `onSaveEditBookmarkFolder()`.
375 private String oldFolderNameString;
378 // 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.
379 @SuppressLint({"SetJavaScriptEnabled"})
380 // Remove Android Studio's warning about deprecations. We have to use the deprecated `getColor()` until API >= 23.
381 @SuppressWarnings("deprecation")
382 protected void onCreate(Bundle savedInstanceState) {
383 // Get a handle for `sharedPreferences`. `this` references the current context.
384 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
386 // Get the theme preference.
387 darkTheme = sharedPreferences.getBoolean("dark_theme", false);
389 // Set the activity theme.
391 setTheme(R.style.PrivacyBrowserDark);
393 setTheme(R.style.PrivacyBrowserLight);
396 // Run the default commands.
397 super.onCreate(savedInstanceState);
399 // Set the content view.
400 setContentView(R.layout.main_drawerlayout);
402 // Get a handle for `inputMethodManager`.
403 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
405 // `SupportActionBar` from `android.support.v7.app.ActionBar` must be used until the minimum API is >= 21.
406 supportAppBar = findViewById(R.id.app_bar);
407 setSupportActionBar(supportAppBar);
408 appBar = getSupportActionBar();
410 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
411 assert appBar != null;
413 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
414 appBar.setCustomView(R.layout.url_app_bar);
415 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
417 // Initialize the foreground color spans for highlighting the URLs. We have to use the deprecated `getColor()` until API >= 23.
418 redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
419 initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
420 finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
422 // Get a handle for `urlTextBox`.
423 urlTextBox = findViewById(R.id.url_edittext);
425 // Remove the formatting from `urlTextBar` when the user is editing the text.
426 urlTextBox.setOnFocusChangeListener((View v, boolean hasFocus) -> {
427 if (hasFocus) { // The user is editing `urlTextBox`.
428 // Remove the highlighting.
429 urlTextBox.getText().removeSpan(redColorSpan);
430 urlTextBox.getText().removeSpan(initialGrayColorSpan);
431 urlTextBox.getText().removeSpan(finalGrayColorSpan);
432 } else { // The user has stopped editing `urlTextBox`.
433 // Reapply the highlighting.
438 // Set the go button on the keyboard to load the URL in `urlTextBox`.
439 urlTextBox.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
440 // If the event is a key-down event on the `enter` button, load the URL.
441 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
442 // Load the URL into the mainWebView and consume the event.
444 loadUrlFromTextBox();
445 } catch (UnsupportedEncodingException e) {
448 // If the enter key was pressed, consume the event.
451 // If any other key was pressed, do not consume the event.
456 // Set `waitingForOrbotHTMLString`.
457 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
459 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
460 currentDomainName = "";
461 orbotStatus = "unknown";
462 waitingForOrbot = false;
464 // Create an Orbot status `BroadcastReceiver`.
465 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
467 public void onReceive(Context context, Intent intent) {
468 // Store the content of the status message in `orbotStatus`.
469 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
471 // If we are waiting on Orbot, load the website now that Orbot is connected.
472 if (orbotStatus.equals("ON") && waitingForOrbot) {
473 // Reset `waitingForOrbot`.
474 waitingForOrbot = false;
476 // Load `formattedUrlString
477 loadUrl(formattedUrlString);
482 // Register `orbotStatusBroadcastReceiver` on `this` context.
483 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
485 // Get handles for views that need to be accessed.
486 drawerLayout = findViewById(R.id.drawerlayout);
487 rootCoordinatorLayout = findViewById(R.id.root_coordinatorlayout);
488 bookmarksListView = findViewById(R.id.bookmarks_drawer_listview);
489 bookmarksTitleTextView = findViewById(R.id.bookmarks_title_textview);
490 FloatingActionButton launchBookmarksActivityFab = findViewById(R.id.launch_bookmarks_activity_fab);
491 FloatingActionButton createBookmarkFolderFab = findViewById(R.id.create_bookmark_folder_fab);
492 FloatingActionButton createBookmarkFab = findViewById(R.id.create_bookmark_fab);
493 mainWebViewRelativeLayout = findViewById(R.id.main_webview_relativelayout);
494 mainWebView = findViewById(R.id.main_webview);
495 findOnPageLinearLayout = findViewById(R.id.find_on_page_linearlayout);
496 findOnPageEditText = findViewById(R.id.find_on_page_edittext);
497 fullScreenVideoFrameLayout = findViewById(R.id.full_screen_video_framelayout);
498 urlAppBarRelativeLayout = findViewById(R.id.url_app_bar_relativelayout);
499 favoriteIconImageView = findViewById(R.id.favorite_icon);
501 // 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.
503 launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_dark));
504 createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_dark));
505 createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_dark));
506 bookmarksListView.setBackgroundColor(getResources().getColor(R.color.gray_850));
508 launchBookmarksActivityFab.setImageDrawable(getResources().getDrawable(R.drawable.bookmarks_light));
509 createBookmarkFolderFab.setImageDrawable(getResources().getDrawable(R.drawable.create_folder_light));
510 createBookmarkFab.setImageDrawable(getResources().getDrawable(R.drawable.create_bookmark_light));
511 bookmarksListView.setBackgroundColor(getResources().getColor(R.color.white));
514 // Set the launch bookmarks activity FAB to launch the bookmarks activity.
515 launchBookmarksActivityFab.setOnClickListener(v -> {
516 // Create an intent to launch the bookmarks activity.
517 Intent bookmarksIntent = new Intent(getApplicationContext(), BookmarksActivity.class);
519 // Include the current folder with the `Intent`.
520 bookmarksIntent.putExtra("Current Folder", currentBookmarksFolder);
523 startActivity(bookmarksIntent);
526 // Set the create new bookmark folder FAB to display the `AlertDialog`.
527 createBookmarkFolderFab.setOnClickListener(v -> {
528 // Show the `CreateBookmarkFolderDialog` `AlertDialog` and name the instance `@string/create_folder`.
529 AppCompatDialogFragment createBookmarkFolderDialog = new CreateBookmarkFolderDialog();
530 createBookmarkFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_folder));
533 // Set the create new bookmark FAB to display the `AlertDialog`.
534 createBookmarkFab.setOnClickListener(view -> {
535 // Show the `CreateBookmarkDialog` `AlertDialog` and name the instance `@string/create_bookmark`.
536 AppCompatDialogFragment createBookmarkDialog = new CreateBookmarkDialog();
537 createBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.create_bookmark));
540 // Create a double-tap listener to toggle full-screen mode.
541 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
542 // Override `onDoubleTap()`. All other events are handled using the default settings.
544 public boolean onDoubleTap(MotionEvent event) {
545 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
546 // Toggle `inFullScreenBrowsingMode`.
547 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
549 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
550 // Hide the `appBar`.
553 // Hide the `BannerAd` in the free flavor.
554 if (BuildConfig.FLAVOR.contentEquals("free")) {
555 BannerAd.hideAd(adView);
558 // Modify the system bars.
559 if (hideSystemBarsOnFullscreen) { // Hide everything.
560 // Remove the translucent overlays.
561 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
563 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
564 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
566 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
567 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
568 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
570 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
572 // Set `rootCoordinatorLayout` to fill the whole screen.
573 rootCoordinatorLayout.setFitsSystemWindows(false);
574 } else { // Hide everything except the status and navigation bars.
575 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
576 rootCoordinatorLayout.setFitsSystemWindows(false);
578 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.
579 // Set the navigation bar to be translucent.
580 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
583 } else { // Switch to normal viewing mode.
584 // Show the `appBar`.
587 // Show the `BannerAd` in the free flavor.
588 if (BuildConfig.FLAVOR.contentEquals("free")) {
589 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
590 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
592 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
593 adView = findViewById(R.id.adview);
596 // Remove the translucent navigation bar flag if it is set.
597 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
599 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
600 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
602 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
603 rootCoordinatorLayout.setSystemUiVisibility(0);
605 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
606 rootCoordinatorLayout.setFitsSystemWindows(true);
609 // Consume the double-tap.
611 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
617 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
618 mainWebView.setOnTouchListener((View v, MotionEvent event) -> {
619 // Call `performClick()` on the view, which is required for accessibility.
622 // Send the `event` to `gestureDetector`.
623 return gestureDetector.onTouchEvent(event);
626 // Update `findOnPageCountTextView`.
627 mainWebView.setFindListener(new WebView.FindListener() {
628 // Get a handle for `findOnPageCountTextView`.
629 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
632 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
633 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
634 // Set `findOnPageCountTextView` to `0/0`.
635 findOnPageCountTextView.setText(R.string.zero_of_zero);
636 } else if (isDoneCounting) { // There are matches.
637 // `activeMatchOrdinal` is zero-based.
638 int activeMatch = activeMatchOrdinal + 1;
640 // Build the match string.
641 String matchString = activeMatch + "/" + numberOfMatches;
643 // Set `findOnPageCountTextView`.
644 findOnPageCountTextView.setText(matchString);
649 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
650 findOnPageEditText.addTextChangedListener(new TextWatcher() {
652 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
657 public void onTextChanged(CharSequence s, int start, int before, int count) {
662 public void afterTextChanged(Editable s) {
663 // Search for the text in `mainWebView`.
664 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
668 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
669 findOnPageEditText.setOnKeyListener((v, keyCode, event) -> {
670 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
671 // Hide the soft keyboard. `0` indicates no additional flags.
672 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
674 // Consume the event.
676 } else { // A different key was pressed.
677 // Do not consume the event.
682 // Implement swipe to refresh
683 swipeRefreshLayout = findViewById(R.id.swipe_refreshlayout);
684 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
685 swipeRefreshLayout.setOnRefreshListener(() -> mainWebView.reload());
687 // `DrawerTitle` identifies the `DrawerLayouts` in accessibility mode.
688 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
689 drawerLayout.setDrawerTitle(GravityCompat.END, getString(R.string.bookmarks));
691 // Listen for touches on the navigation menu.
692 final NavigationView navigationView = findViewById(R.id.navigationview);
693 navigationView.setNavigationItemSelectedListener(this);
695 // 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.
696 final Menu navigationMenu = navigationView.getMenu();
697 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
698 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
699 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
701 // Initialize the bookmarks database helper. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
702 // The `0` specifies a database version, but that is ignored and set instead using a constant in `BookmarksDatabaseHelper`.
703 bookmarksDatabaseHelper = new BookmarksDatabaseHelper(this, null, null, 0);
705 // Initialize `currentBookmarksFolder`. `""` is the home folder in the database.
706 currentBookmarksFolder = "";
708 // Load the home folder, which is `""` in the database.
709 loadBookmarksFolder();
711 bookmarksListView.setOnItemClickListener((parent, view, position, id) -> {
712 // Convert the id from long to int to match the format of the bookmarks database.
713 int databaseID = (int) id;
715 // Get the bookmark `Cursor` for this ID and move it to the first row.
716 Cursor bookmarkCursor = bookmarksDatabaseHelper.getBookmarkCursor(databaseID);
717 bookmarkCursor.moveToFirst();
719 // Act upon the bookmark according to the type.
720 if (bookmarkCursor.getInt(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) { // The selected bookmark is a folder.
721 // Store the new folder name in `currentBookmarksFolder`.
722 currentBookmarksFolder = bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
724 // Load the new folder.
725 loadBookmarksFolder();
726 } else { // The selected bookmark is not a folder.
727 // Load the bookmark URL.
728 loadUrl(bookmarkCursor.getString(bookmarkCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_URL)));
730 // Close the bookmarks drawer.
731 drawerLayout.closeDrawer(GravityCompat.END);
734 // Close the `Cursor`.
735 bookmarkCursor.close();
738 bookmarksListView.setOnItemLongClickListener((parent, view, position, id) -> {
739 // Convert the database ID from `long` to `int`.
740 int databaseId = (int) id;
742 // Find out if the selected bookmark is a folder.
743 boolean isFolder = bookmarksDatabaseHelper.isFolder(databaseId);
746 // Save the current folder name, which is used in `onSaveEditBookmarkFolder()`.
747 oldFolderNameString = bookmarksCursor.getString(bookmarksCursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
749 // Show the edit bookmark folder `AlertDialog` and name the instance `@string/edit_folder`.
750 AppCompatDialogFragment editFolderDialog = EditBookmarkFolderDialog.folderDatabaseId(databaseId);
751 editFolderDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_folder));
753 // Show the edit bookmark `AlertDialog` and name the instance `@string/edit_bookmark`.
754 AppCompatDialogFragment editBookmarkDialog = EditBookmarkDialog.bookmarkDatabaseId(databaseId);
755 editBookmarkDialog.show(getSupportFragmentManager(), getResources().getString(R.string.edit_bookmark));
758 // Consume the event.
762 // The `DrawerListener` allows us to update the Navigation Menu.
763 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
765 public void onDrawerSlide(View drawerView, float slideOffset) {
769 public void onDrawerOpened(View drawerView) {
773 public void onDrawerClosed(View drawerView) {
777 public void onDrawerStateChanged(int newState) {
778 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
779 // Update the `Back`, `Forward`, and `History` menu items.
780 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
781 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
782 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
784 // Hide the keyboard (if displayed) so we can see the navigation menu. `0` indicates no additional flags.
785 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
787 // Clear the focus from `urlTextBox` if it has it.
788 urlTextBox.clearFocus();
793 // drawerToggle creates the hamburger icon at the start of the AppBar.
794 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
796 // Initialize `adServerSet`.
797 final Set<String> adServersSet = new HashSet<>();
799 // Load the list of ad servers into memory.
801 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
802 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
804 // Create a string for storing each ad server.
807 // Populate `adServersSet`.
808 while ((adServer = bufferedReader.readLine()) != null) {
809 adServersSet.add(adServer);
812 // Close `bufferedReader`.
813 bufferedReader.close();
814 } catch (IOException e) {
815 // The asset exists, so the `IOException` will never be thrown.
818 mainWebView.setWebViewClient(new WebViewClient() {
819 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
820 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
821 @SuppressWarnings("deprecation")
823 public boolean shouldOverrideUrlLoading(WebView view, String url) {
824 if (url.startsWith("mailto:")) { // Load the email address in an external email program.
825 // Use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
826 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
828 // Parse the url and set it as the data for the `Intent`.
829 emailIntent.setData(Uri.parse(url));
831 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
832 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
835 startActivity(emailIntent);
837 // Returning `true` indicates the application is handling the URL.
839 } else if (url.startsWith("tel:")) { // Load the phone number in the dialer.
840 // `ACTION_DIAL` open the dialer and loads the phone number, but waits for the user to place the call.
841 Intent dialIntent = new Intent(Intent.ACTION_DIAL);
843 // Add the phone number to the intent.
844 dialIntent.setData(Uri.parse(url));
846 // `FLAG_ACTIVITY_NEW_TASK` opens the dialer in a new task instead as part of Privacy Browser.
847 dialIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
850 startActivity(dialIntent);
852 // Returning `true` indicates the application is handling the URL.
854 } else { // Load the URL in Privacy Browser.
855 // Apply the domain settings for the new URL.
856 applyDomainSettings(url);
858 // Returning `false` causes the current `WebView` to handle the URL and prevents it from adding redirects to the history list.
863 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
864 @SuppressWarnings("deprecation")
866 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
867 if (adBlockerEnabled) { // Block ads.
868 // Extract the host from `url`.
869 Uri requestUri = Uri.parse(url);
870 String requestHost = requestUri.getHost();
872 // Initialize a variable to track if this is an ad server.
873 boolean requestHostIsAdServer = false;
875 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
876 if (requestHost != null) {
877 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
878 if (adServersSet.contains(requestHost)) {
879 requestHostIsAdServer = true;
882 // Strip out the lowest subdomain of `requestHost`.
883 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
887 if (requestHostIsAdServer) { // It is an ad server.
888 // Return an empty `WebResourceResponse`.
889 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
890 } else { // It is not an ad server.
891 // `return null` loads the requested resource.
894 } else { // Ad blocking is disabled.
895 // `return null` loads the requested resource.
900 // Handle HTTP authentication requests.
902 public void onReceivedHttpAuthRequest(WebView view, HttpAuthHandler handler, String host, String realm) {
903 // Store `handler` so it can be accessed from `onHttpAuthenticationCancel()` and `onHttpAuthenticationProceed()`.
904 httpAuthHandler = handler;
906 // Display the HTTP authentication dialog.
907 AppCompatDialogFragment httpAuthenticationDialogFragment = HttpAuthenticationDialog.displayDialog(host, realm);
908 httpAuthenticationDialogFragment.show(getSupportFragmentManager(), getString(R.string.http_authentication));
911 // Update the URL in urlTextBox when the page starts to load.
913 public void onPageStarted(WebView view, String url, Bitmap favicon) {
914 // If night mode is enabled, hide `mainWebView` until after the night mode CSS is applied.
916 mainWebView.setVisibility(View.INVISIBLE);
919 // Hide the keyboard. `0` indicates no additional flags.
920 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
922 // Check to see if we are waiting on Orbot.
923 if (!waitingForOrbot) { // We are not waiting on Orbot, so we need to process the URL.
924 // 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.
925 formattedUrlString = url;
927 // Display the formatted URL text.
928 urlTextBox.setText(formattedUrlString);
930 // Apply text highlighting to `urlTextBox`.
933 // Apply any custom domain settings if the URL was loaded by navigating history.
934 if (navigatingHistory) {
935 applyDomainSettings(url);
938 // 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.
943 // It is necessary to update `formattedUrlString` and `urlTextBox` after the page finishes loading because the final URL can change during load.
945 public void onPageFinished(WebView view, String url) {
946 // Reset `urlIsLoading`, which is used to prevent reloads on redirect if the user agent changes.
947 urlIsLoading = false;
949 // Clear the cache and history if Incognito Mode is enabled.
950 if (incognitoModeEnabled) {
951 // Clear the cache. `true` includes disk files.
952 mainWebView.clearCache(true);
954 // Clear the back/forward history.
955 mainWebView.clearHistory();
957 // Manually delete cache folders.
959 // Delete the main `cache` folder.
960 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
962 // 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`.
963 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
964 } catch (IOException e) {
965 // Do nothing if an error is thrown.
969 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
970 if (!waitingForOrbot) {
971 // Check to see if `WebView` has set `url` to be `about:blank`.
972 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
973 // Set `formattedUrlString` to `""`.
974 formattedUrlString = "";
976 urlTextBox.setText(formattedUrlString);
978 // Request focus for `urlTextBox`.
979 urlTextBox.requestFocus();
981 // Display the keyboard.
982 inputMethodManager.showSoftInput(urlTextBox, 0);
984 // Apply the domain settings. This clears any settings from the previous domain.
985 applyDomainSettings(formattedUrlString);
986 } else { // `WebView` has loaded a webpage.
987 // Set `formattedUrlString`.
988 formattedUrlString = url;
990 // Only update `urlTextBox` if the user is not typing in it.
991 if (!urlTextBox.hasFocus()) {
992 // Display the formatted URL text.
993 urlTextBox.setText(formattedUrlString);
995 // Apply text highlighting to `urlTextBox`.
1000 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog` and `PinnedSslCertificateMismatchDialog`.
1001 sslCertificate = mainWebView.getCertificate();
1003 // 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.
1004 if (pinnedDomainSslCertificate && !ignorePinnedSslCertificate) {
1005 // Initialize the current SSL certificate variables.
1006 String currentWebsiteIssuedToCName = "";
1007 String currentWebsiteIssuedToOName = "";
1008 String currentWebsiteIssuedToUName = "";
1009 String currentWebsiteIssuedByCName = "";
1010 String currentWebsiteIssuedByOName = "";
1011 String currentWebsiteIssuedByUName = "";
1012 Date currentWebsiteSslStartDate = null;
1013 Date currentWebsiteSslEndDate = null;
1016 // Extract the individual pieces of information from the current website SSL certificate if it is not null.
1017 if (sslCertificate != null) {
1018 currentWebsiteIssuedToCName = sslCertificate.getIssuedTo().getCName();
1019 currentWebsiteIssuedToOName = sslCertificate.getIssuedTo().getOName();
1020 currentWebsiteIssuedToUName = sslCertificate.getIssuedTo().getUName();
1021 currentWebsiteIssuedByCName = sslCertificate.getIssuedBy().getCName();
1022 currentWebsiteIssuedByOName = sslCertificate.getIssuedBy().getOName();
1023 currentWebsiteIssuedByUName = sslCertificate.getIssuedBy().getUName();
1024 currentWebsiteSslStartDate = sslCertificate.getValidNotBeforeDate();
1025 currentWebsiteSslEndDate = sslCertificate.getValidNotAfterDate();
1028 // 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`.
1029 String currentWebsiteSslStartDateString = "";
1030 String currentWebsiteSslEndDateString = "";
1031 String pinnedDomainSslStartDateString = "";
1032 String pinnedDomainSslEndDateString = "";
1034 // Convert the `Dates` to `Strings` if they are not `null`.
1035 if (currentWebsiteSslStartDate != null) {
1036 currentWebsiteSslStartDateString = currentWebsiteSslStartDate.toString();
1039 if (currentWebsiteSslEndDate != null) {
1040 currentWebsiteSslEndDateString = currentWebsiteSslEndDate.toString();
1043 if (pinnedDomainSslStartDate != null) {
1044 pinnedDomainSslStartDateString = pinnedDomainSslStartDate.toString();
1047 if (pinnedDomainSslEndDate != null) {
1048 pinnedDomainSslEndDateString = pinnedDomainSslEndDate.toString();
1051 // Check to see if the pinned SSL certificate matches the current website certificate.
1052 if (!currentWebsiteIssuedToCName.equals(pinnedDomainSslIssuedToCNameString) || !currentWebsiteIssuedToOName.equals(pinnedDomainSslIssuedToONameString) || !currentWebsiteIssuedToUName.equals(pinnedDomainSslIssuedToUNameString) ||
1053 !currentWebsiteIssuedByCName.equals(pinnedDomainSslIssuedByCNameString) || !currentWebsiteIssuedByOName.equals(pinnedDomainSslIssuedByONameString) || !currentWebsiteIssuedByUName.equals(pinnedDomainSslIssuedByUNameString) ||
1054 !currentWebsiteSslStartDateString.equals(pinnedDomainSslStartDateString) || !currentWebsiteSslEndDateString.equals(pinnedDomainSslEndDateString)) { // The pinned SSL certificate doesn't match the current domain certificate.
1055 //Display the pinned SSL certificate mismatch `AlertDialog`.
1056 AppCompatDialogFragment pinnedSslCertificateMismatchDialogFragment = new PinnedSslCertificateMismatchDialog();
1057 pinnedSslCertificateMismatchDialogFragment.show(getSupportFragmentManager(), getString(R.string.ssl_certificate_mismatch));
1063 // Handle SSL Certificate errors.
1065 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
1066 // Get the current website SSL certificate.
1067 SslCertificate currentWebsiteSslCertificate = error.getCertificate();
1069 // Extract the individual pieces of information from the current website SSL certificate.
1070 String currentWebsiteIssuedToCName = currentWebsiteSslCertificate.getIssuedTo().getCName();
1071 String currentWebsiteIssuedToOName = currentWebsiteSslCertificate.getIssuedTo().getOName();
1072 String currentWebsiteIssuedToUName = currentWebsiteSslCertificate.getIssuedTo().getUName();
1073 String currentWebsiteIssuedByCName = currentWebsiteSslCertificate.getIssuedBy().getCName();
1074 String currentWebsiteIssuedByOName = currentWebsiteSslCertificate.getIssuedBy().getOName();
1075 String currentWebsiteIssuedByUName = currentWebsiteSslCertificate.getIssuedBy().getUName();
1076 Date currentWebsiteSslStartDate = currentWebsiteSslCertificate.getValidNotBeforeDate();
1077 Date currentWebsiteSslEndDate = currentWebsiteSslCertificate.getValidNotAfterDate();
1079 // Proceed to the website if the current SSL website certificate matches the pinned domain certificate.
1080 if (pinnedDomainSslCertificate &&
1081 currentWebsiteIssuedToCName.equals(pinnedDomainSslIssuedToCNameString) && currentWebsiteIssuedToOName.equals(pinnedDomainSslIssuedToONameString) && currentWebsiteIssuedToUName.equals(pinnedDomainSslIssuedToUNameString) &&
1082 currentWebsiteIssuedByCName.equals(pinnedDomainSslIssuedByCNameString) && currentWebsiteIssuedByOName.equals(pinnedDomainSslIssuedByONameString) && currentWebsiteIssuedByUName.equals(pinnedDomainSslIssuedByUNameString) &&
1083 currentWebsiteSslStartDate.equals(pinnedDomainSslStartDate) && currentWebsiteSslEndDate.equals(pinnedDomainSslEndDate)) { // An SSL certificate is pinned and matches the current domain certificate.
1084 // Proceed to the website without displaying an error.
1086 } else { // Either there isn't a pinned SSL certificate or it doesn't match the current website certificate.
1087 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
1088 sslErrorHandler = handler;
1090 // Display the SSL error `AlertDialog`.
1091 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
1092 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getString(R.string.ssl_certificate_error));
1097 // Get a handle for the progress bar.
1098 final ProgressBar progressBar = findViewById(R.id.progress_bar);
1100 mainWebView.setWebChromeClient(new WebChromeClient() {
1101 // Update the progress bar when a page is loading.
1103 public void onProgressChanged(WebView view, int progress) {
1104 // Inject the night mode CSS if night mode is enabled.
1106 // `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.
1107 // `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.
1108 // `a {color: #1565C0}` sets links to be a dark blue. `!important` takes precedent over any existing sub-settings.
1109 mainWebView.evaluateJavascript("(function() {var parent = document.getElementsByTagName('head').item(0); var style = document.createElement('style'); style.type = 'text/css'; style.innerHTML = '" +
1110 "* {background-color: #212121 !important; color: #BDBDBD !important; box-shadow: none !important; text-decoration: none !important; text-shadow: none !important; border: none !important;}" +
1111 "a {color: #1565C0 !important;}" +
1112 "'; parent.appendChild(style)})()", value -> {
1113 // Initialize a `Handler` to display `mainWebView`.
1114 Handler displayWebViewHandler = new Handler();
1116 // Setup a `Runnable` to display `mainWebView` after a delay to allow the CSS to be applied.
1117 Runnable displayWebViewRunnable = () -> {
1118 // Only display `mainWebView` if the progress bar is one. This prevents the display of the `WebView` while it is still loading.
1119 if (progressBar.getVisibility() == View.GONE) {
1120 mainWebView.setVisibility(View.VISIBLE);
1124 // Use `displayWebViewHandler` to delay the displaying of `mainWebView` for 500 milliseconds.
1125 displayWebViewHandler.postDelayed(displayWebViewRunnable, 500);
1129 // Update the progress bar.
1130 progressBar.setProgress(progress);
1132 // Set the visibility of the progress bar.
1133 if (progress < 100) {
1134 // Show the progress bar.
1135 progressBar.setVisibility(View.VISIBLE);
1137 // Hide the progress bar.
1138 progressBar.setVisibility(View.GONE);
1140 // Display `mainWebView` if night mode is disabled.
1141 // 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.
1143 mainWebView.setVisibility(View.VISIBLE);
1146 //Stop the `SwipeToRefresh` indicator if it is running
1147 swipeRefreshLayout.setRefreshing(false);
1151 // Set the favorite icon when it changes.
1153 public void onReceivedIcon(WebView view, Bitmap icon) {
1154 // Only update the favorite icon if the website has finished loading.
1155 if (progressBar.getVisibility() == View.GONE) {
1156 // Save a copy of the favorite icon.
1157 favoriteIconBitmap = icon;
1159 // Place the favorite icon in the appBar.
1160 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
1164 // Save a copy of the title when it changes.
1166 public void onReceivedTitle(WebView view, String title) {
1167 // Save a copy of the title.
1168 webViewTitle = title;
1171 // Enter full screen video
1173 public void onShowCustomView(View view, CustomViewCallback callback) {
1174 // Pause the ad if this is the free flavor.
1175 if (BuildConfig.FLAVOR.contentEquals("free")) {
1176 BannerAd.pauseAd(adView);
1179 // Remove the translucent overlays.
1180 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
1182 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
1183 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
1185 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
1186 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
1187 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
1189 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
1191 // Set `rootCoordinatorLayout` to fill the entire screen.
1192 rootCoordinatorLayout.setFitsSystemWindows(false);
1194 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
1195 fullScreenVideoFrameLayout.addView(view);
1196 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
1199 // Exit full screen video
1200 public void onHideCustomView() {
1201 // Hide `fullScreenVideoFrameLayout`.
1202 fullScreenVideoFrameLayout.removeAllViews();
1203 fullScreenVideoFrameLayout.setVisibility(View.GONE);
1205 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
1206 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
1208 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
1209 rootCoordinatorLayout.setFitsSystemWindows(true);
1211 // Show the ad if this is the free flavor.
1212 if (BuildConfig.FLAVOR.contentEquals("free")) {
1213 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
1214 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1216 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1217 adView = findViewById(R.id.adview);
1222 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
1223 registerForContextMenu(mainWebView);
1225 // Allow the downloading of files.
1226 mainWebView.setDownloadListener((String url, String userAgent, String contentDisposition, String mimetype, long contentLength) -> {
1227 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
1228 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
1229 downloadFileDialogFragment.show(getSupportFragmentManager(), getString(R.string.download));
1232 // Allow pinch to zoom.
1233 mainWebView.getSettings().setBuiltInZoomControls(true);
1235 // Hide zoom controls.
1236 mainWebView.getSettings().setDisplayZoomControls(false);
1238 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
1239 mainWebView.getSettings().setUseWideViewPort(true);
1241 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
1242 mainWebView.getSettings().setLoadWithOverviewMode(true);
1244 // Explicitly disable geolocation.
1245 mainWebView.getSettings().setGeolocationEnabled(false);
1247 // Initialize cookieManager.
1248 cookieManager = CookieManager.getInstance();
1250 // 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).
1251 customHeaders.put("X-Requested-With", "");
1253 // 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.
1254 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
1256 // Get the intent that started the app.
1257 final Intent launchingIntent = getIntent();
1259 // Extract the launching intent data as `launchingIntentUriData`.
1260 final Uri launchingIntentUriData = launchingIntent.getData();
1262 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
1263 if (launchingIntentUriData != null) {
1264 formattedUrlString = launchingIntentUriData.toString();
1267 // Get a handle for the `Runtime`.
1268 privacyBrowserRuntime = Runtime.getRuntime();
1270 // Store the application's private data directory.
1271 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`.
1273 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
1274 inFullScreenBrowsingMode = false;
1276 // Initialize AdView for the free flavor.
1277 adView = findViewById(R.id.adview);
1279 // Initialize the privacy settings variables.
1280 javaScriptEnabled = false;
1281 firstPartyCookiesEnabled = false;
1282 thirdPartyCookiesEnabled = false;
1283 domStorageEnabled = false;
1284 saveFormDataEnabled = false;
1287 // Initialize `webViewTitle`.
1288 webViewTitle = getString(R.string.no_title);
1290 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
1291 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
1292 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
1293 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
1295 // If the favorite icon is null, load the default.
1296 if (favoriteIconBitmap == null) {
1297 favoriteIconBitmap = favoriteIconDefaultBitmap;
1300 // Apply the app settings from the shared preferences.
1303 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
1304 if (!waitingForOrbot) {
1305 loadUrl(formattedUrlString);
1310 protected void onNewIntent(Intent intent) {
1311 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
1314 if (intent.getData() != null) {
1315 // Get the intent data and convert it to a string.
1316 final Uri intentUriData = intent.getData();
1317 formattedUrlString = intentUriData.toString();
1320 // Close the navigation drawer if it is open.
1321 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1322 drawerLayout.closeDrawer(GravityCompat.START);
1325 // Load the website.
1326 loadUrl(formattedUrlString);
1328 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
1329 mainWebView.requestFocus();
1333 public void onRestart() {
1334 // Run the default commands.
1337 // Apply the app settings, which may have been changed in `SettingsActivity`.
1340 // Apply the domain settings if returning from the Domains Activity.
1341 if (reapplyDomainSettingsOnRestart) {
1342 // Reset `reapplyDomainSettingsOnRestart`.
1343 reapplyDomainSettingsOnRestart = false;
1345 // Reapply the domain settings.
1346 applyDomainSettings(formattedUrlString);
1349 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1350 updatePrivacyIcons(true);
1352 // Set the display webpage images mode.
1353 setDisplayWebpageImages();
1355 // Reload the webpage if displaying of images has been disabled in `SettingsFragment`.
1356 if (reloadOnRestart) {
1357 // Reload `mainWebView`.
1358 mainWebView.reload();
1360 // Reset `reloadOnRestartBoolean`.
1361 reloadOnRestart = false;
1364 // Load the URL on restart to apply changes to night mode.
1365 if (loadUrlOnRestart) {
1366 // Load the current `formattedUrlString`.
1367 loadUrl(formattedUrlString);
1369 // Reset `loadUrlOnRestart.
1370 loadUrlOnRestart = false;
1374 if (restartFromBookmarksActivity) {
1375 // Close the bookmarks drawer.
1376 drawerLayout.closeDrawer(GravityCompat.END);
1378 // Reload the bookmarks drawer.
1379 loadBookmarksFolder();
1381 // Reset `restartFromBookmarksActivity`.
1382 restartFromBookmarksActivity = false;
1386 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
1388 public void onResume() {
1389 // Run the default commands.
1392 // Resume JavaScript (if enabled).
1393 mainWebView.resumeTimers();
1395 // Resume `mainWebView`.
1396 mainWebView.onResume();
1398 // Resume the adView for the free flavor.
1399 if (BuildConfig.FLAVOR.contentEquals("free")) {
1400 BannerAd.resumeAd(adView);
1405 public void onPause() {
1406 // Pause `mainWebView`.
1407 mainWebView.onPause();
1409 // Stop all JavaScript.
1410 mainWebView.pauseTimers();
1412 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1413 if (BuildConfig.FLAVOR.contentEquals("free")) {
1414 BannerAd.pauseAd(adView);
1421 public boolean onCreateOptionsMenu(Menu menu) {
1422 // Inflate the menu; this adds items to the action bar if it is present.
1423 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
1425 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
1428 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
1429 updatePrivacyIcons(false);
1431 // Get handles for the menu items.
1432 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1433 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1434 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1435 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1437 // Only display third-party cookies if SDK >= 21
1438 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1440 // Get the shared preference values. `this` references the current context.
1441 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1443 // Set the status of the additional app bar icons. The default is `false`.
1444 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1445 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1446 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1447 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1448 } else { //Do not display the additional icons.
1449 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1450 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1451 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1458 public boolean onPrepareOptionsMenu(Menu menu) {
1459 // Get handles for the menu items.
1460 MenuItem addOrEditDomain = menu.findItem(R.id.add_or_edit_domain);
1461 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1462 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1463 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1464 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1465 MenuItem clearDataMenuItem = menu.findItem(R.id.clear_data);
1466 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1467 MenuItem clearDOMStorageMenuItem = menu.findItem(R.id.clear_dom_storage);
1468 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1469 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1470 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1471 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1473 // Set the text for the domain menu item.
1474 if (domainSettingsApplied) {
1475 addOrEditDomain.setTitle(R.string.edit_domain_settings);
1477 addOrEditDomain.setTitle(R.string.add_domain_settings);
1480 // Set the status of the menu item checkboxes.
1481 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1482 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1483 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1484 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1485 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1487 // Enable third-party cookies if first-party cookies are enabled.
1488 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1490 // Enable `DOM Storage` if JavaScript is enabled.
1491 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1493 // Enable `Clear Cookies` if there are any.
1494 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1496 // Get a count of the number of files in the `Local Storage` directory.
1497 File localStorageDirectory = new File (privateDataDirectoryString + "/app_webview/Local Storage/");
1498 int localStorageDirectoryNumberOfFiles = 0;
1499 if (localStorageDirectory.exists()) {
1500 localStorageDirectoryNumberOfFiles = localStorageDirectory.list().length;
1503 // Get a count of the number of files in the `IndexedDB` directory.
1504 File indexedDBDirectory = new File (privateDataDirectoryString + "/app_webview/IndexedDB");
1505 int indexedDBDirectoryNumberOfFiles = 0;
1506 if (indexedDBDirectory.exists()) {
1507 indexedDBDirectoryNumberOfFiles = indexedDBDirectory.list().length;
1510 // Enable `Clear DOM Storage` if there is any.
1511 clearDOMStorageMenuItem.setEnabled(localStorageDirectoryNumberOfFiles > 0 || indexedDBDirectoryNumberOfFiles > 0);
1513 // Enable `Clear Form Data` is there is any.
1514 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1515 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1517 // Enable `Clear Data` if any of the submenu items are enabled.
1518 clearDataMenuItem.setEnabled(clearCookiesMenuItem.isEnabled() || clearDOMStorageMenuItem.isEnabled() || clearFormDataMenuItem.isEnabled());
1520 // Initialize font size variables.
1521 int fontSize = mainWebView.getSettings().getTextZoom();
1522 String fontSizeTitle;
1523 MenuItem selectedFontSizeMenuItem;
1525 // Prepare the font size title and current size menu item.
1528 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.twenty_five_percent);
1529 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1533 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.fifty_percent);
1534 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1538 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.seventy_five_percent);
1539 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1543 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_percent);
1544 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1548 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_twenty_five_percent);
1549 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1553 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_fifty_percent);
1554 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1558 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_seventy_five_percent);
1559 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1563 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.two_hundred_percent);
1564 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1568 fontSizeTitle = getString(R.string.font_size) + " - " + getString(R.string.one_hundred_percent);
1569 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1573 // Set the font size title and select the current size menu item.
1574 fontSizeMenuItem.setTitle(fontSizeTitle);
1575 selectedFontSizeMenuItem.setChecked(true);
1577 // Only show `Refresh` if `swipeToRefresh` is disabled.
1578 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1580 // Run all the other default commands.
1581 super.onPrepareOptionsMenu(menu);
1583 // Display the menu.
1588 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1589 @SuppressLint("SetJavaScriptEnabled")
1590 // removeAllCookies is deprecated, but it is required for API < 21.
1591 @SuppressWarnings("deprecation")
1592 public boolean onOptionsItemSelected(MenuItem menuItem) {
1593 // Get the selected menu item ID.
1594 int menuItemId = menuItem.getItemId();
1596 // Set the commands that relate to the menu entries.
1597 switch (menuItemId) {
1598 case R.id.add_or_edit_domain:
1599 if (domainSettingsApplied) { // Edit the current domain settings.
1600 // Reapply the domain settings on returning to `MainWebViewActivity`.
1601 reapplyDomainSettingsOnRestart = true;
1602 currentDomainName = "";
1604 // Create an intent to launch the domains activity.
1605 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1607 // Put extra information instructing the domains activity to directly load the current domain.
1608 domainsIntent.putExtra("LoadDomain", domainSettingsDatabaseId);
1611 startActivity(domainsIntent);
1612 } else { // Add a new domain.
1613 // Show the add domain `AlertDialog`.
1614 AppCompatDialogFragment addDomainDialog = new AddDomainDialog();
1615 addDomainDialog.show(getSupportFragmentManager(), getResources().getString(R.string.add_domain));
1619 case R.id.toggle_javascript:
1620 // Switch the status of javaScriptEnabled.
1621 javaScriptEnabled = !javaScriptEnabled;
1623 // Apply the new JavaScript status.
1624 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1626 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1627 updatePrivacyIcons(true);
1629 // Display a `Snackbar`.
1630 if (javaScriptEnabled) { // JavaScrip is enabled.
1631 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1632 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1633 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1634 } else { // Privacy mode.
1635 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1638 // Reload the WebView.
1639 mainWebView.reload();
1642 case R.id.toggle_first_party_cookies:
1643 // Switch the status of firstPartyCookiesEnabled.
1644 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1646 // Update the menu checkbox.
1647 menuItem.setChecked(firstPartyCookiesEnabled);
1649 // Apply the new cookie status.
1650 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1652 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1653 updatePrivacyIcons(true);
1655 // Display a `Snackbar`.
1656 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1657 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1658 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1659 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1660 } else { // Privacy mode.
1661 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1664 // Reload the WebView.
1665 mainWebView.reload();
1668 case R.id.toggle_third_party_cookies:
1669 if (Build.VERSION.SDK_INT >= 21) {
1670 // Switch the status of thirdPartyCookiesEnabled.
1671 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1673 // Update the menu checkbox.
1674 menuItem.setChecked(thirdPartyCookiesEnabled);
1676 // Apply the new cookie status.
1677 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1679 // Display a `Snackbar`.
1680 if (thirdPartyCookiesEnabled) {
1681 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1683 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1686 // Reload the WebView.
1687 mainWebView.reload();
1688 } // Else do nothing because SDK < 21.
1691 case R.id.toggle_dom_storage:
1692 // Switch the status of domStorageEnabled.
1693 domStorageEnabled = !domStorageEnabled;
1695 // Update the menu checkbox.
1696 menuItem.setChecked(domStorageEnabled);
1698 // Apply the new DOM Storage status.
1699 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1701 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1702 updatePrivacyIcons(true);
1704 // Display a `Snackbar`.
1705 if (domStorageEnabled) {
1706 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1708 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1711 // Reload the WebView.
1712 mainWebView.reload();
1715 case R.id.toggle_save_form_data:
1716 // Switch the status of saveFormDataEnabled.
1717 saveFormDataEnabled = !saveFormDataEnabled;
1719 // Update the menu checkbox.
1720 menuItem.setChecked(saveFormDataEnabled);
1722 // Apply the new form data status.
1723 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1725 // Display a `Snackbar`.
1726 if (saveFormDataEnabled) {
1727 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1729 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1732 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1733 updatePrivacyIcons(true);
1735 // Reload the WebView.
1736 mainWebView.reload();
1739 case R.id.clear_cookies:
1740 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_LONG)
1741 .setAction(R.string.undo, v -> {
1742 // Do nothing because everything will be handled by `onDismissed()` below.
1744 .addCallback(new Snackbar.Callback() {
1746 public void onDismissed(Snackbar snackbar, int event) {
1748 // The user pushed the `Undo` button.
1749 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1753 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1755 // `cookieManager.removeAllCookie()` varies by SDK.
1756 if (Build.VERSION.SDK_INT < 21) {
1757 cookieManager.removeAllCookie();
1759 // `null` indicates no callback.
1760 cookieManager.removeAllCookies(null);
1768 case R.id.clear_dom_storage:
1769 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_LONG)
1770 .setAction(R.string.undo, v -> {
1771 // Do nothing because everything will be handled by `onDismissed()` below.
1773 .addCallback(new Snackbar.Callback() {
1775 public void onDismissed(Snackbar snackbar, int event) {
1777 // The user pushed the `Undo` button.
1778 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1782 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1784 // Delete the DOM Storage.
1785 WebStorage webStorage = WebStorage.getInstance();
1786 webStorage.deleteAllData();
1788 // Manually delete the DOM storage files and directories.
1790 // A `String[]` must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly.
1791 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
1793 // Multiple commands must be used because `Runtime.exec()` does not like `*`.
1794 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/IndexedDB");
1795 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager");
1796 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager-journal");
1797 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/databases");
1798 } catch (IOException e) {
1799 // Do nothing if an error is thrown.
1807 case R.id.clear_form_data:
1808 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_LONG)
1809 .setAction(R.string.undo, v -> {
1810 // Do nothing because everything will be handled by `onDismissed()` below.
1812 .addCallback(new Snackbar.Callback() {
1814 public void onDismissed(Snackbar snackbar, int event) {
1816 // The user pushed the `Undo` button.
1817 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1821 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1823 // Delete the form data.
1824 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(getApplicationContext());
1825 mainWebViewDatabase.clearFormData();
1832 case R.id.font_size_twenty_five_percent:
1833 mainWebView.getSettings().setTextZoom(25);
1836 case R.id.font_size_fifty_percent:
1837 mainWebView.getSettings().setTextZoom(50);
1840 case R.id.font_size_seventy_five_percent:
1841 mainWebView.getSettings().setTextZoom(75);
1844 case R.id.font_size_one_hundred_percent:
1845 mainWebView.getSettings().setTextZoom(100);
1848 case R.id.font_size_one_hundred_twenty_five_percent:
1849 mainWebView.getSettings().setTextZoom(125);
1852 case R.id.font_size_one_hundred_fifty_percent:
1853 mainWebView.getSettings().setTextZoom(150);
1856 case R.id.font_size_one_hundred_seventy_five_percent:
1857 mainWebView.getSettings().setTextZoom(175);
1860 case R.id.font_size_two_hundred_percent:
1861 mainWebView.getSettings().setTextZoom(200);
1864 case R.id.display_images:
1865 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1866 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1867 mainWebView.reload();
1868 } else { // Images are not currently loaded automatically.
1869 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1872 // Set `onTheFlyDisplayImagesSet`.
1873 onTheFlyDisplayImagesSet = true;
1877 // Setup the share string.
1878 String shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1880 // Create the share intent.
1881 Intent shareIntent = new Intent();
1882 shareIntent.setAction(Intent.ACTION_SEND);
1883 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1884 shareIntent.setType("text/plain");
1887 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1890 case R.id.find_on_page:
1891 // Hide the URL app bar.
1892 supportAppBar.setVisibility(View.GONE);
1894 // Show the Find on Page `RelativeLayout`.
1895 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1897 // 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
1898 findOnPageEditText.postDelayed(() -> {
1899 // Set the focus on `findOnPageEditText`.
1900 findOnPageEditText.requestFocus();
1902 // Display the keyboard. `0` sets no input flags.
1903 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1908 // Get a `PrintManager` instance.
1909 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1911 // Convert `mainWebView` to `printDocumentAdapter`.
1912 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1914 // Remove the lint error below that `printManager` might be `null`.
1915 assert printManager != null;
1917 // Print the document. The print attributes are `null`.
1918 printManager.print(getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1921 case R.id.view_source:
1922 // Launch the Vew Source activity.
1923 Intent viewSourceIntent = new Intent(this, ViewSourceActivity.class);
1924 startActivity(viewSourceIntent);
1927 case R.id.add_to_homescreen:
1928 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1929 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1930 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getString(R.string.create_shortcut));
1932 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1936 mainWebView.reload();
1940 // Don't consume the event.
1941 return super.onOptionsItemSelected(menuItem);
1945 // removeAllCookies is deprecated, but it is required for API < 21.
1946 @SuppressWarnings("deprecation")
1948 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1949 int menuItemId = menuItem.getItemId();
1951 switch (menuItemId) {
1957 if (mainWebView.canGoBack()) {
1958 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1959 navigatingHistory = true;
1961 // Load the previous website in the history.
1962 mainWebView.goBack();
1967 if (mainWebView.canGoForward()) {
1968 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1969 navigatingHistory = true;
1971 // Load the next website in the history.
1972 mainWebView.goForward();
1977 // Get the `WebBackForwardList`.
1978 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1980 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1981 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1982 urlHistoryDialogFragment.show(getSupportFragmentManager(), getString(R.string.history));
1985 case R.id.downloads:
1986 // Launch the system Download Manager.
1987 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1989 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1990 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1992 startActivity(downloadManagerIntent);
1996 // Reapply the domain settings on returning to `MainWebViewActivity`.
1997 reapplyDomainSettingsOnRestart = true;
1998 currentDomainName = "";
2000 // Launch `DomainsActivity`.
2001 Intent domainsIntent = new Intent(this, DomainsActivity.class);
2002 startActivity(domainsIntent);
2006 // Reapply the domain settings on returning to `MainWebViewActivity`.
2007 reapplyDomainSettingsOnRestart = true;
2008 currentDomainName = "";
2010 // Launch `SettingsActivity`.
2011 Intent settingsIntent = new Intent(this, SettingsActivity.class);
2012 startActivity(settingsIntent);
2016 // Launch `GuideActivity`.
2017 Intent guideIntent = new Intent(this, GuideActivity.class);
2018 startActivity(guideIntent);
2022 // Launch `AboutActivity`.
2023 Intent aboutIntent = new Intent(this, AboutActivity.class);
2024 startActivity(aboutIntent);
2027 case R.id.clearAndExit:
2028 // Get a handle for `sharedPreferences`. `this` references the current context.
2029 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2031 boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true);
2034 if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) {
2035 // The command to remove cookies changed slightly in API 21.
2036 if (Build.VERSION.SDK_INT >= 21) {
2037 cookieManager.removeAllCookies(null);
2039 cookieManager.removeAllCookie();
2042 // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run.
2044 // We have to use two commands because `Runtime.exec()` does not like `*`.
2045 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies");
2046 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal");
2047 } catch (IOException e) {
2048 // Do nothing if an error is thrown.
2052 // Clear DOM storage.
2053 if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) {
2054 // Ask `WebStorage` to clear the DOM storage.
2055 WebStorage webStorage = WebStorage.getInstance();
2056 webStorage.deleteAllData();
2058 // Manually delete the DOM storage files and directories, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run.
2060 // A `String[]` must be used because the directory contains a space and `Runtime.exec` will otherwise not escape the string correctly.
2061 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
2063 // Multiple commands must be used because `Runtime.exec()` does not like `*`.
2064 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/IndexedDB");
2065 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager");
2066 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/QuotaManager-journal");
2067 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview/databases");
2068 } catch (IOException e) {
2069 // Do nothing if an error is thrown.
2074 if (clearEverything || sharedPreferences.getBoolean("clear_form_data", true)) {
2075 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
2076 webViewDatabase.clearFormData();
2078 // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run.
2080 // We have to use a `String[]` because the database contains a space and `Runtime.exec` will not escape the string correctly otherwise.
2081 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"});
2082 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"});
2083 } catch (IOException e) {
2084 // Do nothing if an error is thrown.
2089 if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) {
2090 // `true` includes disk files.
2091 mainWebView.clearCache(true);
2093 // Manually delete the cache directories.
2095 // Delete the main cache directory.
2096 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
2098 // 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.
2099 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"});
2100 } catch (IOException e) {
2101 // Do nothing if an error is thrown.
2105 // Clear SSL certificate preferences.
2106 mainWebView.clearSslPreferences();
2108 // Clear the back/forward history.
2109 mainWebView.clearHistory();
2111 // Clear `formattedUrlString`.
2112 formattedUrlString = null;
2114 // Clear `customHeaders`.
2115 customHeaders.clear();
2117 // Detach all views from `mainWebViewRelativeLayout`.
2118 mainWebViewRelativeLayout.removeAllViews();
2120 // Destroy the internal state of `mainWebView`.
2121 mainWebView.destroy();
2123 // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache.
2124 // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
2125 if (clearEverything) {
2127 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
2128 } catch (IOException e) {
2129 // Do nothing if an error is thrown.
2133 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
2134 if (Build.VERSION.SDK_INT >= 21) {
2135 finishAndRemoveTask();
2140 // Remove the terminated program from RAM. The status code is `0`.
2145 // Close the navigation drawer.
2146 drawerLayout.closeDrawer(GravityCompat.START);
2151 public void onPostCreate(Bundle savedInstanceState) {
2152 super.onPostCreate(savedInstanceState);
2154 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
2155 drawerToggle.syncState();
2159 public void onConfigurationChanged(Configuration newConfig) {
2160 super.onConfigurationChanged(newConfig);
2162 // Reload the ad for the free flavor if we are not in full screen mode.
2163 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
2165 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2167 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2168 adView = findViewById(R.id.adview);
2171 // `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
2172 // ActivityCompat.invalidateOptionsMenu(this);
2176 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
2177 // Store the `HitTestResult`.
2178 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
2181 final String imageUrl;
2182 final String linkUrl;
2184 // Get a handle for the `ClipboardManager`.
2185 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
2187 // Remove the lint errors below that `clipboardManager` might be `null`.
2188 assert clipboardManager != null;
2190 switch (hitTestResult.getType()) {
2191 // `SRC_ANCHOR_TYPE` is a link.
2192 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
2193 // Get the target URL.
2194 linkUrl = hitTestResult.getExtra();
2196 // Set the target URL as the title of the `ContextMenu`.
2197 menu.setHeaderTitle(linkUrl);
2199 // Add a `Load URL` entry.
2200 menu.add(R.string.load_url).setOnMenuItemClickListener(item -> {
2205 // Add a `Copy URL` entry.
2206 menu.add(R.string.copy_url).setOnMenuItemClickListener(item -> {
2207 // Save the link URL in a `ClipData`.
2208 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), linkUrl);
2210 // Set the `ClipData` as the clipboard's primary clip.
2211 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
2215 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
2216 menu.add(R.string.cancel);
2219 case WebView.HitTestResult.EMAIL_TYPE:
2220 // Get the target URL.
2221 linkUrl = hitTestResult.getExtra();
2223 // Set the target URL as the title of the `ContextMenu`.
2224 menu.setHeaderTitle(linkUrl);
2226 // Add a `Write Email` entry.
2227 menu.add(R.string.write_email).setOnMenuItemClickListener(item -> {
2228 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
2229 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
2231 // Parse the url and set it as the data for the `Intent`.
2232 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
2234 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
2235 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
2238 startActivity(emailIntent);
2242 // Add a `Copy Email Address` entry.
2243 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(item -> {
2244 // Save the email address in a `ClipData`.
2245 ClipData srcEmailTypeClipData = ClipData.newPlainText(getString(R.string.email_address), linkUrl);
2247 // Set the `ClipData` as the clipboard's primary clip.
2248 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
2252 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
2253 menu.add(R.string.cancel);
2256 // `IMAGE_TYPE` is an image.
2257 case WebView.HitTestResult.IMAGE_TYPE:
2258 // Get the image URL.
2259 imageUrl = hitTestResult.getExtra();
2261 // Set the image URL as the title of the `ContextMenu`.
2262 menu.setHeaderTitle(imageUrl);
2264 // Add a `View Image` entry.
2265 menu.add(R.string.view_image).setOnMenuItemClickListener(item -> {
2270 // Add a `Download Image` entry.
2271 menu.add(R.string.download_image).setOnMenuItemClickListener((MenuItem item) -> {
2272 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
2273 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
2274 downloadImageDialogFragment.show(getSupportFragmentManager(), getString(R.string.download));
2278 // Add a `Copy URL` entry.
2279 menu.add(R.string.copy_url).setOnMenuItemClickListener(item -> {
2280 // Save the image URL in a `ClipData`.
2281 ClipData srcImageTypeClipData = ClipData.newPlainText(getString(R.string.url), imageUrl);
2283 // Set the `ClipData` as the clipboard's primary clip.
2284 clipboardManager.setPrimaryClip(srcImageTypeClipData);
2288 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
2289 menu.add(R.string.cancel);
2293 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
2294 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
2295 // Get the image URL.
2296 imageUrl = hitTestResult.getExtra();
2298 // Set the image URL as the title of the `ContextMenu`.
2299 menu.setHeaderTitle(imageUrl);
2301 // Add a `View Image` entry.
2302 menu.add(R.string.view_image).setOnMenuItemClickListener(item -> {
2307 // Add a `Download Image` entry.
2308 menu.add(R.string.download_image).setOnMenuItemClickListener((MenuItem item) -> {
2309 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
2310 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
2311 downloadImageDialogFragment.show(getSupportFragmentManager(), getString(R.string.download));
2315 // Add a `Copy URL` entry.
2316 menu.add(R.string.copy_url).setOnMenuItemClickListener(item -> {
2317 // Save the image URL in a `ClipData`.
2318 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getString(R.string.url), imageUrl);
2320 // Set the `ClipData` as the clipboard's primary clip.
2321 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
2325 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
2326 menu.add(R.string.cancel);
2332 public void onAddDomain(AppCompatDialogFragment dialogFragment) {
2333 // Reapply the domain settings on returning to `MainWebViewActivity`.
2334 reapplyDomainSettingsOnRestart = true;
2335 currentDomainName = "";
2337 // Get the new domain name `String` from `dialogFragment`.
2338 EditText domainNameEditText = dialogFragment.getDialog().findViewById(R.id.domain_name_edittext);
2339 String domainNameString = domainNameEditText.getText().toString();
2341 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2342 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2343 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2345 // Create the domain and store the database ID in `currentDomainDatabaseId`.
2346 int newDomainDatabaseId = domainsDatabaseHelper.addDomain(domainNameString);
2348 // Create an intent to launch the domains activity.
2349 Intent domainsIntent = new Intent(this, DomainsActivity.class);
2351 // Put extra information instructing the domains activity to directly load the current domain.
2352 domainsIntent.putExtra("LoadDomain", newDomainDatabaseId);
2355 startActivity(domainsIntent);
2359 public void onCreateBookmark(AppCompatDialogFragment dialogFragment) {
2360 // Get the `EditTexts` from the `dialogFragment`.
2361 EditText createBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.create_bookmark_name_edittext);
2362 EditText createBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.create_bookmark_url_edittext);
2364 // Extract the strings from the `EditTexts`.
2365 String bookmarkNameString = createBookmarkNameEditText.getText().toString();
2366 String bookmarkUrlString = createBookmarkUrlEditText.getText().toString();
2368 // Convert the favoriteIcon Bitmap to a byte array. `0` is for lossless compression (the only option for a PNG).
2369 ByteArrayOutputStream favoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
2370 favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, favoriteIconByteArrayOutputStream);
2371 byte[] favoriteIconByteArray = favoriteIconByteArrayOutputStream.toByteArray();
2373 // Display the new bookmark below the current items in the (0 indexed) list.
2374 int newBookmarkDisplayOrder = bookmarksListView.getCount();
2376 // Create the bookmark.
2377 bookmarksDatabaseHelper.createBookmark(bookmarkNameString, bookmarkUrlString, currentBookmarksFolder, newBookmarkDisplayOrder, favoriteIconByteArray);
2379 // Update `bookmarksCursor` with the current contents of this folder.
2380 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
2382 // Update the `ListView`.
2383 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
2385 // Scroll to the new bookmark.
2386 bookmarksListView.setSelection(newBookmarkDisplayOrder);
2390 public void onCreateBookmarkFolder(AppCompatDialogFragment dialogFragment) {
2391 // Get handles for the views in `dialogFragment`.
2392 EditText createFolderNameEditText = dialogFragment.getDialog().findViewById(R.id.create_folder_name_edittext);
2393 RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon_radiobutton);
2394 ImageView folderIconImageView = dialogFragment.getDialog().findViewById(R.id.create_folder_default_icon);
2396 // Get new folder name string.
2397 String folderNameString = createFolderNameEditText.getText().toString();
2399 // Get the new folder icon `Bitmap`.
2400 Bitmap folderIconBitmap;
2401 if (defaultFolderIconRadioButton.isChecked()) { // Use the default folder icon.
2402 // Get the default folder icon and convert it to a `Bitmap`.
2403 Drawable folderIconDrawable = folderIconImageView.getDrawable();
2404 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
2405 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
2406 } else { // Use the `WebView` favorite icon.
2407 folderIconBitmap = favoriteIconBitmap;
2410 // Convert `folderIconBitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
2411 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
2412 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
2413 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
2415 // Move all the bookmarks down one in the display order.
2416 for (int i = 0; i < bookmarksListView.getCount(); i++) {
2417 int databaseId = (int) bookmarksListView.getItemIdAtPosition(i);
2418 bookmarksDatabaseHelper.updateDisplayOrder(databaseId, i + 1);
2421 // Create the folder, which will be placed at the top of the `ListView`.
2422 bookmarksDatabaseHelper.createFolder(folderNameString, currentBookmarksFolder, folderIconByteArray);
2424 // Update `bookmarksCursor` with the current contents of this folder.
2425 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
2427 // Update the `ListView`.
2428 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
2430 // Scroll to the new folder.
2431 bookmarksListView.setSelection(0);
2435 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
2436 // Get the shortcut name.
2437 EditText shortcutNameEditText = dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
2438 String shortcutNameString = shortcutNameEditText.getText().toString();
2440 // Convert the favorite icon bitmap to an `Icon`. `IconCompat` is required until API >= 26.
2441 IconCompat favoriteIcon = IconCompat.createWithBitmap(favoriteIconBitmap);
2443 // Setup the shortcut intent.
2444 Intent shortcutIntent = new Intent();
2445 shortcutIntent.setAction(Intent.ACTION_VIEW);
2446 shortcutIntent.setData(Uri.parse(formattedUrlString));
2448 // Create a shortcut info builder. The shortcut name becomes the shortcut ID.
2449 ShortcutInfoCompat.Builder shortcutInfoBuilder = new ShortcutInfoCompat.Builder(this, shortcutNameString);
2451 // Add the required fields to the shortcut info builder.
2452 shortcutInfoBuilder.setIcon(favoriteIcon);
2453 shortcutInfoBuilder.setIntent(shortcutIntent);
2454 shortcutInfoBuilder.setShortLabel(shortcutNameString);
2456 // Request the pin. `ShortcutManagerCompat` can be switched to `ShortcutManager` once API >= 26.
2457 ShortcutManagerCompat.requestPinShortcut(this, shortcutInfoBuilder.build(), null);
2461 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
2462 // Download the image if it has an HTTP or HTTPS URI.
2463 if (imageUrl.startsWith("http")) {
2464 // Get a handle for the system `DOWNLOAD_SERVICE`.
2465 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
2467 // Parse `imageUrl`.
2468 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
2470 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
2471 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
2472 if (firstPartyCookiesEnabled) {
2473 // Get the cookies for `imageUrl`.
2474 String cookies = cookieManager.getCookie(imageUrl);
2476 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
2477 downloadRequest.addRequestHeader("Cookie", cookies);
2480 // Get the file name from `dialogFragment`.
2481 EditText downloadImageNameEditText = dialogFragment.getDialog().findViewById(R.id.download_image_name);
2482 String imageName = downloadImageNameEditText.getText().toString();
2484 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
2485 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
2486 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
2487 } else { // Only set the title using `imageName`.
2488 downloadRequest.setTitle(imageName);
2491 // Allow `MediaScanner` to index the download if it is a media file.
2492 downloadRequest.allowScanningByMediaScanner();
2494 // Add the URL as the description for the download.
2495 downloadRequest.setDescription(imageUrl);
2497 // Show the download notification after the download is completed.
2498 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2500 // Remove the lint warning below that `downloadManager` might be `null`.
2501 assert downloadManager != null;
2503 // Initiate the download.
2504 downloadManager.enqueue(downloadRequest);
2505 } else { // The image is not an HTTP or HTTPS URI.
2506 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
2511 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
2512 // Download the file if it has an HTTP or HTTPS URI.
2513 if (downloadUrl.startsWith("http")) {
2515 // Get a handle for the system `DOWNLOAD_SERVICE`.
2516 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
2518 // Parse `downloadUrl`.
2519 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
2521 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
2522 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
2523 if (firstPartyCookiesEnabled) {
2524 // Get the cookies for `downloadUrl`.
2525 String cookies = cookieManager.getCookie(downloadUrl);
2527 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
2528 downloadRequest.addRequestHeader("Cookie", cookies);
2531 // Get the file name from `dialogFragment`.
2532 EditText downloadFileNameEditText = dialogFragment.getDialog().findViewById(R.id.download_file_name);
2533 String fileName = downloadFileNameEditText.getText().toString();
2535 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
2536 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
2537 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
2538 } else { // Only set the title using `fileName`.
2539 downloadRequest.setTitle(fileName);
2542 // Allow `MediaScanner` to index the download if it is a media file.
2543 downloadRequest.allowScanningByMediaScanner();
2545 // Add the URL as the description for the download.
2546 downloadRequest.setDescription(downloadUrl);
2548 // Show the download notification after the download is completed.
2549 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2551 // Remove the lint warning below that `downloadManager` might be `null`.
2552 assert downloadManager != null;
2554 // Initiate the download.
2555 downloadManager.enqueue(downloadRequest);
2556 } else { // The download is not an HTTP or HTTPS URI.
2557 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
2562 public void onSaveBookmark(AppCompatDialogFragment dialogFragment, int selectedBookmarkDatabaseId) {
2563 // Get handles for the views from `dialogFragment`.
2564 EditText editBookmarkNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_name_edittext);
2565 EditText editBookmarkUrlEditText = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_url_edittext);
2566 RadioButton currentBookmarkIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_bookmark_current_icon_radiobutton);
2568 // Store the bookmark strings.
2569 String bookmarkNameString = editBookmarkNameEditText.getText().toString();
2570 String bookmarkUrlString = editBookmarkUrlEditText.getText().toString();
2572 // Update the bookmark.
2573 if (currentBookmarkIconRadioButton.isChecked()) { // Update the bookmark without changing the favorite icon.
2574 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString);
2575 } else { // Update the bookmark using the `WebView` favorite icon.
2576 // Convert the favorite icon to a byte array. `0` is for lossless compression (the only option for a PNG).
2577 ByteArrayOutputStream newFavoriteIconByteArrayOutputStream = new ByteArrayOutputStream();
2578 favoriteIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, newFavoriteIconByteArrayOutputStream);
2579 byte[] newFavoriteIconByteArray = newFavoriteIconByteArrayOutputStream.toByteArray();
2581 // Update the bookmark and the favorite icon.
2582 bookmarksDatabaseHelper.updateBookmark(selectedBookmarkDatabaseId, bookmarkNameString, bookmarkUrlString, newFavoriteIconByteArray);
2585 // Update `bookmarksCursor` with the current contents of this folder.
2586 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
2588 // Update the `ListView`.
2589 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
2593 public void onSaveBookmarkFolder(AppCompatDialogFragment dialogFragment, int selectedFolderDatabaseId) {
2594 // Get handles for the views from `dialogFragment`.
2595 EditText editFolderNameEditText = dialogFragment.getDialog().findViewById(R.id.edit_folder_name_edittext);
2596 RadioButton currentFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_current_icon_radiobutton);
2597 RadioButton defaultFolderIconRadioButton = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_radiobutton);
2598 ImageView folderIconImageView = dialogFragment.getDialog().findViewById(R.id.edit_folder_default_icon_imageview);
2600 // Get the new folder name.
2601 String newFolderNameString = editFolderNameEditText.getText().toString();
2603 // Check if the favorite icon has changed.
2604 if (currentFolderIconRadioButton.isChecked()) { // Only the name has changed.
2605 // Update the name in the database.
2606 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString);
2607 } else if (!currentFolderIconRadioButton.isChecked() && newFolderNameString.equals(oldFolderNameString)) { // Only the icon has changed.
2608 // Get the new folder icon `Bitmap`.
2609 Bitmap folderIconBitmap;
2610 if (defaultFolderIconRadioButton.isChecked()) {
2611 // Get the default folder icon and convert it to a `Bitmap`.
2612 Drawable folderIconDrawable = folderIconImageView.getDrawable();
2613 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
2614 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
2615 } else { // Use the `WebView` favorite icon.
2616 folderIconBitmap = favoriteIconBitmap;
2619 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
2620 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
2621 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
2622 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
2624 // Update the folder icon in the database.
2625 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, folderIconByteArray);
2626 } else { // The folder icon and the name have changed.
2627 // Get the new folder icon `Bitmap`.
2628 Bitmap folderIconBitmap;
2629 if (defaultFolderIconRadioButton.isChecked()) {
2630 // Get the default folder icon and convert it to a `Bitmap`.
2631 Drawable folderIconDrawable = folderIconImageView.getDrawable();
2632 BitmapDrawable folderIconBitmapDrawable = (BitmapDrawable) folderIconDrawable;
2633 folderIconBitmap = folderIconBitmapDrawable.getBitmap();
2634 } else { // Use the `WebView` favorite icon.
2635 folderIconBitmap = MainWebViewActivity.favoriteIconBitmap;
2638 // Convert the folder `Bitmap` to a byte array. `0` is for lossless compression (the only option for a PNG).
2639 ByteArrayOutputStream folderIconByteArrayOutputStream = new ByteArrayOutputStream();
2640 folderIconBitmap.compress(Bitmap.CompressFormat.PNG, 0, folderIconByteArrayOutputStream);
2641 byte[] folderIconByteArray = folderIconByteArrayOutputStream.toByteArray();
2643 // Update the folder name and icon in the database.
2644 bookmarksDatabaseHelper.updateFolder(selectedFolderDatabaseId, oldFolderNameString, newFolderNameString, folderIconByteArray);
2647 // Update `bookmarksCursor` with the current contents of this folder.
2648 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
2650 // Update the `ListView`.
2651 bookmarksCursorAdapter.changeCursor(bookmarksCursor);
2655 public void onHttpAuthenticationCancel() {
2656 // Cancel the `HttpAuthHandler`.
2657 httpAuthHandler.cancel();
2661 public void onHttpAuthenticationProceed(AppCompatDialogFragment dialogFragment) {
2662 // Get handles for the `EditTexts`.
2663 EditText usernameEditText = dialogFragment.getDialog().findViewById(R.id.http_authentication_username);
2664 EditText passwordEditText = dialogFragment.getDialog().findViewById(R.id.http_authentication_password);
2666 // Proceed with the HTTP authentication.
2667 httpAuthHandler.proceed(usernameEditText.getText().toString(), passwordEditText.getText().toString());
2670 public void viewSslCertificate(View view) {
2671 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
2672 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
2673 viewSslCertificateDialogFragment.show(getFragmentManager(), getString(R.string.view_ssl_certificate));
2677 public void onSslErrorCancel() {
2678 sslErrorHandler.cancel();
2682 public void onSslErrorProceed() {
2683 sslErrorHandler.proceed();
2687 public void onSslMismatchBack() {
2688 if (mainWebView.canGoBack()) { // There is a back page in the history.
2689 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2690 navigatingHistory = true;
2693 mainWebView.goBack();
2694 } else { // There are no pages to go back to.
2695 // Load a blank page
2701 public void onSslMismatchProceed() {
2702 // Do not check the pinned SSL certificate for this domain again until the domain changes.
2703 ignorePinnedSslCertificate = true;
2707 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
2708 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2709 navigatingHistory = true;
2711 // Load the history entry.
2712 mainWebView.goBackOrForward(moveBackOrForwardSteps);
2716 public void onClearHistory() {
2717 // Clear the history.
2718 mainWebView.clearHistory();
2721 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
2723 public void onBackPressed() {
2724 if (drawerLayout.isDrawerVisible(GravityCompat.START)) { // The navigation drawer is open.
2725 // Close the navigation drawer.
2726 drawerLayout.closeDrawer(GravityCompat.START);
2727 } else if (drawerLayout.isDrawerVisible(GravityCompat.END)){ // The bookmarks drawer is open.
2728 if (currentBookmarksFolder.isEmpty()) { // The home folder is displayed.
2729 // close the bookmarks drawer.
2730 drawerLayout.closeDrawer(GravityCompat.END);
2731 } else { // A subfolder is displayed.
2732 // Place the former parent folder in `currentFolder`.
2733 currentBookmarksFolder = bookmarksDatabaseHelper.getParentFolder(currentBookmarksFolder);
2735 // Load the new folder.
2736 loadBookmarksFolder();
2739 } else if (mainWebView.canGoBack()) { // There is at least one item in the `WebView` history.
2740 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2741 navigatingHistory = true;
2744 mainWebView.goBack();
2745 } else { // There isn't anything to do in Privacy Browser.
2746 // Pass `onBackPressed()` to the system.
2747 super.onBackPressed();
2751 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
2752 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
2753 String unformattedUrlString = urlTextBox.getText().toString().trim();
2755 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
2756 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
2757 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
2758 if (!unformattedUrlString.startsWith("http")) {
2759 unformattedUrlString = "http://" + unformattedUrlString;
2762 // Initialize `unformattedUrl`.
2763 URL unformattedUrl = null;
2765 // 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.
2767 unformattedUrl = new URL(unformattedUrlString);
2768 } catch (MalformedURLException e) {
2769 e.printStackTrace();
2772 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
2773 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
2774 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
2775 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
2776 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
2777 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
2780 Uri.Builder formattedUri = new Uri.Builder();
2781 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
2783 // Decode `formattedUri` as a `String` in `UTF-8`.
2784 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
2786 // Sanitize the search input and convert it to a search.
2787 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
2789 // Add the base search URL.
2790 formattedUrlString = searchURL + encodedUrlString;
2793 loadUrl(formattedUrlString);
2797 private void loadUrl(String url) {
2798 // Apply any custom domain settings.
2799 applyDomainSettings(url);
2802 mainWebView.loadUrl(url, customHeaders);
2804 // Set `urlIsLoading` to prevent changes in the user agent on websites with redirects from reloading the current website.
2805 urlIsLoading = true;
2808 public void findPreviousOnPage(View view) {
2809 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2810 mainWebView.findNext(false);
2813 public void findNextOnPage(View view) {
2814 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2815 mainWebView.findNext(true);
2818 public void closeFindOnPage(View view) {
2819 // Delete the contents of `find_on_page_edittext`.
2820 findOnPageEditText.setText(null);
2822 // Clear the highlighted phrases.
2823 mainWebView.clearMatches();
2825 // Hide the Find on Page `RelativeLayout`.
2826 findOnPageLinearLayout.setVisibility(View.GONE);
2828 // Show the URL app bar.
2829 supportAppBar.setVisibility(View.VISIBLE);
2831 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2832 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2835 private void applyAppSettings() {
2836 // Get a handle for the shared preferences.
2837 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2839 // Store the values from the shared preferences in variables.
2840 String homepageString = sharedPreferences.getString("homepage", "https://start.duckduckgo.com");
2841 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2842 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2843 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2844 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2845 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2846 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2847 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2848 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2849 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2850 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2851 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2852 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2853 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2854 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2856 // Set the homepage, search, and proxy options.
2857 if (proxyThroughOrbot) { // Set the Tor options.
2858 // Set `torHomepageString` as `homepage`.
2859 homepage = torHomepageString;
2861 // If formattedUrlString is null assign the homepage to it.
2862 if (formattedUrlString == null) {
2863 formattedUrlString = homepage;
2866 // Set the search URL.
2867 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2868 searchURL = torSearchCustomURLString;
2869 } else { // Use the string from the pre-built list.
2870 searchURL = torSearchString;
2873 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2874 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2876 // Set the `appBar` background to indicate proxying through Orbot is enabled. `this` refers to the context.
2878 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.dark_blue_30));
2880 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.blue_50));
2883 // Display a message to the user if we are waiting on Orbot.
2884 if (!orbotStatus.equals("ON")) {
2885 // Set `waitingForOrbot`.
2886 waitingForOrbot = true;
2888 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2889 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2891 } else { // Set the non-Tor options.
2892 // Set `homepageString` as `homepage`.
2893 homepage = homepageString;
2895 // If formattedUrlString is null assign the homepage to it.
2896 if (formattedUrlString == null) {
2897 formattedUrlString = homepage;
2900 // Set the search URL.
2901 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2902 searchURL = searchCustomURLString;
2903 } else { // Use the string from the pre-built list.
2904 searchURL = searchString;
2907 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2908 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2910 // Set the default `appBar` background. `this` refers to the context.
2912 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_900));
2914 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_100));
2917 // Reset `waitingForOrbot.
2918 waitingForOrbot = false;
2921 // Set swipe to refresh.
2922 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2924 // Set Do Not Track status.
2925 if (doNotTrackEnabled) {
2926 customHeaders.put("DNT", "1");
2928 customHeaders.remove("DNT");
2931 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2932 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2933 if (hideSystemBarsOnFullscreen) { // Hide everything.
2934 // Remove the translucent navigation setting if it is currently flagged.
2935 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2937 // Remove the translucent status bar overlay.
2938 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2940 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2941 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2943 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2944 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2945 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2947 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2948 } else { // Hide everything except the status and navigation bars.
2949 // Add the translucent status flag if it is unset.
2950 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2952 if (translucentNavigationBarOnFullscreen) {
2953 // Set the navigation bar to be translucent.
2954 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2956 // Set the navigation bar to be black.
2957 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2960 } else { // Switch to normal viewing mode.
2961 // Reset `inFullScreenBrowsingMode` to `false`.
2962 inFullScreenBrowsingMode = false;
2964 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2965 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2969 // Show the `BannerAd` in the free flavor.
2970 if (BuildConfig.FLAVOR.contentEquals("free")) {
2971 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2972 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2974 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2975 adView = findViewById(R.id.adview);
2978 // Remove the translucent navigation bar flag if it is set.
2979 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2981 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2982 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2984 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2985 rootCoordinatorLayout.setSystemUiVisibility(0);
2987 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2988 rootCoordinatorLayout.setFitsSystemWindows(true);
2992 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2993 @SuppressWarnings("deprecation")
2994 private void applyDomainSettings(String url) {
2995 // Reset `navigatingHistory`.
2996 navigatingHistory = false;
2998 // Parse the URL into a URI.
2999 Uri uri = Uri.parse(url);
3001 // Extract the domain from `uri`.
3002 String hostName = uri.getHost();
3004 // Initialize `loadingNewDomainName`.
3005 boolean loadingNewDomainName;
3007 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
3008 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
3009 //noinspection SimplifiableIfStatement
3010 if ((hostName == null) || (currentDomainName == null)) {
3011 loadingNewDomainName = true;
3012 } else { // Determine if `hostName` equals `currentDomainName`.
3013 loadingNewDomainName = !hostName.equals(currentDomainName);
3016 // 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.
3017 if (loadingNewDomainName) {
3018 // Set the new `hostname` as the `currentDomainName`.
3019 currentDomainName = hostName;
3021 // Reset `ignorePinnedSslCertificate`.
3022 ignorePinnedSslCertificate = false;
3024 // Reset `favoriteIconBitmap` and display it in the `appbar`.
3025 favoriteIconBitmap = favoriteIconDefaultBitmap;
3026 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
3028 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
3029 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
3030 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
3032 // Get a full cursor from `domainsDatabaseHelper`.
3033 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
3035 // Initialize `domainSettingsSet`.
3036 Set<String> domainSettingsSet = new HashSet<>();
3038 // Get the domain name column index.
3039 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
3041 // Populate `domainSettingsSet`.
3042 for (int i = 0; i < domainNameCursor.getCount(); i++) {
3043 // Move `domainsCursor` to the current row.
3044 domainNameCursor.moveToPosition(i);
3046 // Store the domain name in `domainSettingsSet`.
3047 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
3050 // Close `domainNameCursor.
3051 domainNameCursor.close();
3053 // Initialize variables to track if domain settings will be applied and, if so, under which name.
3054 domainSettingsApplied = false;
3055 String domainNameInDatabase = null;
3057 // Check the hostname.
3058 if (domainSettingsSet.contains(hostName)) {
3059 domainSettingsApplied = true;
3060 domainNameInDatabase = hostName;
3063 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
3064 if (hostName != null) {
3065 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
3066 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
3067 domainSettingsApplied = true;
3068 domainNameInDatabase = "*." + hostName;
3071 // Strip out the lowest subdomain of `host`.
3072 hostName = hostName.substring(hostName.indexOf(".") + 1);
3076 // Get a handle for the shared preference. `this` references the current context.
3077 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
3079 // Store the general preference information.
3080 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
3081 String defaultUserAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
3082 String defaultCustomUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
3083 nightMode = sharedPreferences.getBoolean("night_mode", false);
3085 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
3086 // Get a cursor for the current host and move it to the first position.
3087 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
3088 currentHostDomainSettingsCursor.moveToFirst();
3090 // Get the settings from the cursor.
3091 domainSettingsDatabaseId = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper._ID)));
3092 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
3093 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
3094 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
3095 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
3096 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
3097 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
3098 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
3099 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
3100 int nightModeInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.NIGHT_MODE));
3101 pinnedDomainSslCertificate = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.PINNED_SSL_CERTIFICATE)) == 1);
3102 pinnedDomainSslIssuedToCNameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_COMMON_NAME));
3103 pinnedDomainSslIssuedToONameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATION));
3104 pinnedDomainSslIssuedToUNameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_TO_ORGANIZATIONAL_UNIT));
3105 pinnedDomainSslIssuedByCNameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_COMMON_NAME));
3106 pinnedDomainSslIssuedByONameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATION));
3107 pinnedDomainSslIssuedByUNameString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_ISSUED_BY_ORGANIZATIONAL_UNIT));
3109 // Set `nightMode` according to `nightModeInt`. If `nightModeInt` is `DomainsDatabaseHelper.NIGHT_MODE_SYSTEM_DEFAULT` the current setting from `sharedPreferences` will be used.
3110 switch (nightModeInt) {
3111 case DomainsDatabaseHelper.NIGHT_MODE_ENABLED:
3115 case DomainsDatabaseHelper.NIGHT_MODE_DISABLED:
3120 // Set `javaScriptEnabled` to be `true` if `night_mode` is `true`.
3122 javaScriptEnabled = true;
3125 // Set the pinned SSL certificate start date to `null` if the saved date `long` is 0.
3126 if (currentHostDomainSettingsCursor.getLong(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)) == 0) {
3127 pinnedDomainSslStartDate = null;
3129 pinnedDomainSslStartDate = new Date(currentHostDomainSettingsCursor.getLong(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_START_DATE)));
3132 // Set the pinned SSL certificate end date to `null` if the saved date `long` is 0.
3133 if (currentHostDomainSettingsCursor.getLong(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)) == 0) {
3134 pinnedDomainSslEndDate = null;
3136 pinnedDomainSslEndDate = new Date(currentHostDomainSettingsCursor.getLong(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.SSL_END_DATE)));
3139 // Close `currentHostDomainSettingsCursor`.
3140 currentHostDomainSettingsCursor.close();
3142 // Apply the domain settings.
3143 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
3144 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
3145 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
3146 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
3148 // Apply the font size.
3149 if (fontSize == 0) { // Apply the default font size.
3150 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
3151 } else { // Apply the specified font size.
3152 mainWebView.getSettings().setTextZoom(fontSize);
3155 // Set third-party cookies status if API >= 21.
3156 if (Build.VERSION.SDK_INT >= 21) {
3157 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
3160 // 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>
3161 if (!urlIsLoading) {
3162 switch (userAgentString) {
3163 case "System default user agent":
3164 // Set the user agent according to the system default.
3165 switch (defaultUserAgentString) {
3166 case "WebView default user agent":
3167 // Set the user agent to `""`, which uses the default value.
3168 mainWebView.getSettings().setUserAgentString("");
3171 case "Custom user agent":
3172 // Set the custom user agent.
3173 mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
3177 // Use the selected user agent.
3178 mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
3182 case "WebView default user agent":
3183 // Set the user agent to `""`, which uses the default value.
3184 mainWebView.getSettings().setUserAgentString("");
3188 // Use the selected user agent.
3189 mainWebView.getSettings().setUserAgentString(userAgentString);
3192 // Store the applied user agent string.
3193 appliedUserAgentString = mainWebView.getSettings().getUserAgentString();
3196 // 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.
3198 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue));
3200 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green));
3202 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
3203 // Store the values from `sharedPreferences` in variables.
3204 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
3205 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
3206 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
3207 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
3208 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
3210 // Set `javaScriptEnabled` to be `true` if `night_mode` is `true`.
3212 javaScriptEnabled = true;
3215 // Apply the default settings.
3216 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
3217 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
3218 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
3219 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
3220 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
3222 // Reset the pinned SSL certificate information.
3223 domainSettingsDatabaseId = -1;
3224 pinnedDomainSslCertificate = false;
3225 pinnedDomainSslIssuedToCNameString = "";
3226 pinnedDomainSslIssuedToONameString = "";
3227 pinnedDomainSslIssuedToUNameString = "";
3228 pinnedDomainSslIssuedByCNameString = "";
3229 pinnedDomainSslIssuedByONameString = "";
3230 pinnedDomainSslIssuedByUNameString = "";
3231 pinnedDomainSslStartDate = null;
3232 pinnedDomainSslEndDate = null;
3234 // Set third-party cookies status if API >= 21.
3235 if (Build.VERSION.SDK_INT >= 21) {
3236 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
3239 // 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>
3240 if (!urlIsLoading) {
3241 switch (defaultUserAgentString) {
3242 case "WebView default user agent":
3243 // Set the user agent to `""`, which uses the default value.
3244 mainWebView.getSettings().setUserAgentString("");
3247 case "Custom user agent":
3248 // Set the custom user agent.
3249 mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
3253 // Use the selected user agent.
3254 mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
3257 // Store the applied user agent string.
3258 appliedUserAgentString = mainWebView.getSettings().getUserAgentString();
3261 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
3262 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.color.transparent));
3265 // Close `domainsDatabaseHelper`.
3266 domainsDatabaseHelper.close();
3268 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
3269 onTheFlyDisplayImagesSet = false;
3270 setDisplayWebpageImages();
3272 // Update the privacy icons, but only if `mainMenu` has already been populated.
3273 if (mainMenu != null) {
3274 updatePrivacyIcons(true);
3279 private void setDisplayWebpageImages() {
3280 if (!onTheFlyDisplayImagesSet) {
3281 if (domainSettingsApplied) { // Custom domain settings are applied.
3282 switch (displayWebpageImagesInt) {
3283 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
3284 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
3287 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
3288 mainWebView.getSettings().setLoadsImagesAutomatically(true);
3291 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
3292 mainWebView.getSettings().setLoadsImagesAutomatically(false);
3295 } else { // Default settings are applied.
3296 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
3301 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
3302 // Get handles for the icons.
3303 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
3304 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
3305 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
3306 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
3308 // Update `privacyIcon`.
3309 if (javaScriptEnabled) { // JavaScript is enabled.
3310 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
3311 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
3312 privacyIconMenuItem.setIcon(R.drawable.warning);
3313 } else { // All the dangerous features are disabled.
3314 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
3317 // Update `firstPartyCookiesIcon`.
3318 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
3319 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
3320 } else { // First-party cookies are disabled.
3322 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_dark);
3324 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_light);
3328 // Update `domStorageIcon`.
3329 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
3330 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
3331 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
3333 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_dark);
3335 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_light);
3337 } else { // JavaScript is disabled, so DOM storage is ghosted.
3339 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_dark);
3341 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_light);
3345 // Update `formDataIcon`.
3346 if (saveFormDataEnabled) { // Form data is enabled.
3347 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
3348 } else { // Form data is disabled.
3350 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_dark);
3352 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_light);
3356 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
3357 if (runInvalidateOptionsMenu) {
3358 ActivityCompat.invalidateOptionsMenu(this);
3362 private void highlightUrlText() {
3363 String urlString = urlTextBox.getText().toString();
3365 if (urlString.startsWith("http://")) { // Highlight the protocol of connections that are not encrypted.
3366 urlTextBox.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
3367 } else if (urlString.startsWith("https://")) { // De-emphasize the protocol of connections that are encrypted.
3368 urlTextBox.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
3371 // Get the index of the `/` immediately after the domain name.
3372 int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
3374 // De-emphasize the text after the domain name.
3375 if (endOfDomainName > 0) {
3376 urlTextBox.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
3380 private void loadBookmarksFolder() {
3381 // Update `bookmarksCursor` with the contents of the bookmarks database for the current folder.
3382 bookmarksCursor = bookmarksDatabaseHelper.getAllBookmarksCursorByDisplayOrder(currentBookmarksFolder);
3384 // Populate the bookmarks cursor adapter. `this` specifies the `Context`. `false` disables `autoRequery`.
3385 bookmarksCursorAdapter = new CursorAdapter(this, bookmarksCursor, false) {
3387 public View newView(Context context, Cursor cursor, ViewGroup parent) {
3388 // Inflate the individual item layout. `false` does not attach it to the root.
3389 return getLayoutInflater().inflate(R.layout.bookmarks_drawer_item_linearlayout, parent, false);
3393 public void bindView(View view, Context context, Cursor cursor) {
3394 // Get handles for the views.
3395 ImageView bookmarkFavoriteIcon = view.findViewById(R.id.bookmark_favorite_icon);
3396 TextView bookmarkNameTextView = view.findViewById(R.id.bookmark_name);
3398 // Get the favorite icon byte array from the `Cursor`.
3399 byte[] favoriteIconByteArray = cursor.getBlob(cursor.getColumnIndex(BookmarksDatabaseHelper.FAVORITE_ICON));
3401 // Convert the byte array to a `Bitmap` beginning at the first byte and ending at the last.
3402 Bitmap favoriteIconBitmap = BitmapFactory.decodeByteArray(favoriteIconByteArray, 0, favoriteIconByteArray.length);
3404 // Display the bitmap in `bookmarkFavoriteIcon`.
3405 bookmarkFavoriteIcon.setImageBitmap(favoriteIconBitmap);
3407 // Get the bookmark name from the cursor and display it in `bookmarkNameTextView`.
3408 String bookmarkNameString = cursor.getString(cursor.getColumnIndex(BookmarksDatabaseHelper.BOOKMARK_NAME));
3409 bookmarkNameTextView.setText(bookmarkNameString);
3411 // Make the font bold for folders.
3412 if (cursor.getInt(cursor.getColumnIndex(BookmarksDatabaseHelper.IS_FOLDER)) == 1) {
3413 bookmarkNameTextView.setTypeface(Typeface.DEFAULT_BOLD);
3414 } else { // Reset the font to default for normal bookmarks.
3415 bookmarkNameTextView.setTypeface(Typeface.DEFAULT);
3420 // Populate the `ListView` with the adapter.
3421 bookmarksListView.setAdapter(bookmarksCursorAdapter);
3423 // Set the bookmarks drawer title.
3424 if (currentBookmarksFolder.isEmpty()) {
3425 bookmarksTitleTextView.setText(R.string.bookmarks);
3427 bookmarksTitleTextView.setText(currentBookmarksFolder);