2 * Copyright © 2015-2017 Soren Stoutner <soren@stoutner.com>.
4 * Download cookie code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
6 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
8 * Privacy Browser is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
13 * Privacy Browser is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
22 package com.stoutner.privacybrowser.activities;
24 import android.annotation.SuppressLint;
25 import android.app.DialogFragment;
26 import android.app.DownloadManager;
27 import android.content.BroadcastReceiver;
28 import android.content.ClipData;
29 import android.content.ClipboardManager;
30 import android.content.Context;
31 import android.content.Intent;
32 import android.content.IntentFilter;
33 import android.content.SharedPreferences;
34 import android.content.res.Configuration;
35 import android.database.Cursor;
36 import android.graphics.Bitmap;
37 import android.graphics.Typeface;
38 import android.graphics.drawable.BitmapDrawable;
39 import android.graphics.drawable.Drawable;
40 import android.net.Uri;
41 import android.net.http.SslCertificate;
42 import android.net.http.SslError;
43 import android.os.Build;
44 import android.os.Bundle;
45 import android.preference.PreferenceManager;
46 import android.print.PrintDocumentAdapter;
47 import android.print.PrintManager;
48 import android.support.annotation.NonNull;
49 import android.support.design.widget.CoordinatorLayout;
50 import android.support.design.widget.NavigationView;
51 import android.support.design.widget.Snackbar;
52 import android.support.v4.app.ActivityCompat;
53 import android.support.v4.content.ContextCompat;
54 import android.support.v4.view.GravityCompat;
55 import android.support.v4.widget.DrawerLayout;
56 import android.support.v4.widget.SwipeRefreshLayout;
57 import android.support.v7.app.ActionBar;
58 import android.support.v7.app.ActionBarDrawerToggle;
59 import android.support.v7.app.AppCompatActivity;
60 import android.support.v7.app.AppCompatDialogFragment;
61 import android.support.v7.widget.Toolbar;
62 import android.text.Editable;
63 import android.text.Spanned;
64 import android.text.TextWatcher;
65 import android.text.style.ForegroundColorSpan;
66 import android.text.style.StyleSpan;
67 import android.util.Patterns;
68 import android.view.ContextMenu;
69 import android.view.GestureDetector;
70 import android.view.KeyEvent;
71 import android.view.Menu;
72 import android.view.MenuItem;
73 import android.view.MotionEvent;
74 import android.view.View;
75 import android.view.WindowManager;
76 import android.view.inputmethod.InputMethodManager;
77 import android.webkit.CookieManager;
78 import android.webkit.DownloadListener;
79 import android.webkit.SslErrorHandler;
80 import android.webkit.WebBackForwardList;
81 import android.webkit.WebChromeClient;
82 import android.webkit.WebResourceResponse;
83 import android.webkit.WebStorage;
84 import android.webkit.WebView;
85 import android.webkit.WebViewClient;
86 import android.webkit.WebViewDatabase;
87 import android.widget.EditText;
88 import android.widget.FrameLayout;
89 import android.widget.ImageView;
90 import android.widget.LinearLayout;
91 import android.widget.ProgressBar;
92 import android.widget.RelativeLayout;
93 import android.widget.TextView;
95 import com.stoutner.privacybrowser.BannerAd;
96 import com.stoutner.privacybrowser.BuildConfig;
97 import com.stoutner.privacybrowser.R;
98 import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcutDialog;
99 import com.stoutner.privacybrowser.dialogs.DownloadImageDialog;
100 import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog;
101 import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog;
102 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
103 import com.stoutner.privacybrowser.helpers.OrbotProxyHelper;
104 import com.stoutner.privacybrowser.dialogs.DownloadFileDialog;
105 import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog;
107 import java.io.BufferedReader;
108 import java.io.ByteArrayInputStream;
109 import java.io.IOException;
110 import java.io.InputStreamReader;
111 import java.io.UnsupportedEncodingException;
112 import java.net.MalformedURLException;
114 import java.net.URLDecoder;
115 import java.net.URLEncoder;
116 import java.util.HashMap;
117 import java.util.HashSet;
118 import java.util.Map;
119 import java.util.Set;
121 // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
122 public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
123 SslCertificateErrorDialog.SslCertificateErrorListener, DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, UrlHistoryDialog.UrlHistoryListener {
125 // `favoriteIconBitmap` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `ViewSslCertificateDialog`.
126 // It is also used in `onCreate()`, `onCreateHomeScreenShortcutCreate()`, and `applyDomainSettings`.
127 public static Bitmap favoriteIconBitmap;
129 // `formattedUrlString` is public static so it can be accessed from `BookmarksActivity`, `CreateBookmarkDialog`, and `AddDomainDialog`.
130 // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onCreateHomeScreenShortcutCreate()`, and `loadUrlFromTextBox()`.
131 public static String formattedUrlString;
133 // `sslCertificate` is public static so it can be accessed from `ViewSslCertificateDialog`. It is also used in `onCreate()`.
134 public static SslCertificate sslCertificate;
136 // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`.
137 public static String orbotStatus;
139 // `webViewTitle` is public static so it can be accessed from `CreateBookmarkDialog` and `CreateHomeScreenShortcutDialog`. It is also used in `onCreate()`.
140 public static String webViewTitle;
142 // `displayWebpageImagesBoolean` is public static so it can be accessed from `DomainSettingsFragment`. It is also used in `applyAppSettings()` and `applyDomainSettings()`.
143 public static boolean displayWebpageImagesBoolean;
145 // `reloadOnRestartBoolean` is public static so it can be accessed from `SettingsFragment`. It is also used in `onRestart()`
146 public static boolean reloadOnRestartBoolean;
149 // `appBar` is used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applyAppSettings()`.
150 private ActionBar appBar;
152 // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
153 private boolean navigatingHistory;
155 // `favoriteIconDefaultBitmap` is used in `onCreate()` and `applyDomainSettings`.
156 private Bitmap favoriteIconDefaultBitmap;
158 // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`.
159 private DrawerLayout drawerLayout;
161 // `rootCoordinatorLayout` is used in `onCreate()` and `applyAppSettings()`.
162 private CoordinatorLayout rootCoordinatorLayout;
164 // `mainWebView` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, `loadUrlFromTextBox()`
165 // and `setDisplayWebpageImages()`.
166 private WebView mainWebView;
168 // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
169 private FrameLayout fullScreenVideoFrameLayout;
171 // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
172 private SwipeRefreshLayout swipeRefreshLayout;
174 // `urlAppBarRelativeLayout` is used in `onCreate()` and `applyDomainSettings()`.
175 private RelativeLayout urlAppBarRelativeLayout;
177 // `favoriteIconImageView` is used in `onCreate()` and `applyDomainSettings()`
178 private ImageView favoriteIconImageView;
180 // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `loadUrlFromTextBox()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
181 private CookieManager cookieManager;
183 // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`.
184 private final Map<String, String> customHeaders = new HashMap<>();
186 // `javaScriptEnabled` is also used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `applyAppSettings()`.
187 // It is `Boolean` instead of `boolean` because `applyAppSettings()` needs to know if it is `null`.
188 private Boolean javaScriptEnabled;
190 // `firstPartyCookiesEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applyAppSettings()`.
191 private boolean firstPartyCookiesEnabled;
193 // `thirdPartyCookiesEnabled` used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
194 private boolean thirdPartyCookiesEnabled;
196 // `domStorageEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
197 private boolean domStorageEnabled;
199 // `saveFormDataEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
200 private boolean saveFormDataEnabled;
202 // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applyAppSettings()`.
203 private boolean swipeToRefreshEnabled;
205 // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applyAppSettings()`.
206 private String homepage;
208 // `searchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
209 private String searchURL;
211 // `adBlockerEnabled` is used in `onCreate()` and `applyAppSettings()`.
212 private boolean adBlockerEnabled;
214 // `privacyBrowserRuntime` is used in `onCreate()` and `applyAppSettings()`.
215 private Runtime privacyBrowserRuntime;
217 // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
218 private boolean incognitoModeEnabled;
220 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
221 private boolean fullScreenBrowsingModeEnabled;
223 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
224 private boolean inFullScreenBrowsingMode;
226 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
227 private boolean hideSystemBarsOnFullscreen;
229 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
230 private boolean translucentNavigationBarOnFullscreen;
232 // `currentDomainName` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
233 private String currentDomainName;
235 // `waitingForOrbot` is used in `onCreate()` and `applyAppSettings()`.
236 private boolean waitingForOrbot;
238 // `domainSettingsApplied` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
239 private boolean domainSettingsApplied;
241 // `displayWebpageImagesInt` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
242 private int displayWebpageImagesInt;
244 // `onTheFlyDisplayImagesSet` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
245 private boolean onTheFlyDisplayImagesSet;
247 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
248 private String waitingForOrbotHTMLString;
250 // `privateDataDirectoryString` is used in `onCreate()` and `onNavigationItemSelected()`.
251 private String privateDataDirectoryString;
253 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
254 private LinearLayout findOnPageLinearLayout;
256 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
257 private EditText findOnPageEditText;
259 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
260 private Menu mainMenu;
262 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
263 private ActionBarDrawerToggle drawerToggle;
265 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
266 private Toolbar supportAppBar;
268 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, `loadUrl()`, and `highlightUrlText()`.
269 private EditText urlTextBox;
271 // `redColorSpan` is used in `onCreate()` and `highlightUrlText()`.
272 private ForegroundColorSpan redColorSpan;
274 // `initialGrayColorSpan` is sued in `onCreate()` and `highlightUrlText()`.
275 private ForegroundColorSpan initialGrayColorSpan;
277 // `finalGrayColorSpam` is used in `onCreate()` and `highlightUrlText()`.
278 private ForegroundColorSpan finalGrayColorSpan;
280 // `boldStyleSpan` is used in `onCreate()` and `highlightUrlText()`.
281 private StyleSpan boldStyleSpan;
283 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
286 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
287 private SslErrorHandler sslErrorHandler;
289 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
290 private InputMethodManager inputMethodManager;
292 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
293 private RelativeLayout mainWebViewRelativeLayout;
295 // `darkTheme` is used in `onCreate()`, `applyAppSettings()`, and `applyDomainSettings()`.
296 private boolean darkTheme;
299 // 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.
300 @SuppressLint("SetJavaScriptEnabled")
301 // Remove Android Studio's warning about deprecations. We have to use the deprecated `getColor()` until API >= 23.
302 @SuppressWarnings("deprecation")
303 protected void onCreate(Bundle savedInstanceState) {
304 // Get a handle for `sharedPreferences`. `this` references the current context.
305 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
307 // Get the theme preference.
308 darkTheme = sharedPreferences.getBoolean("dark_theme", false);
310 // Set the activity theme.
312 setTheme(R.style.PrivacyBrowserDark);
314 setTheme(R.style.PrivacyBrowserLight);
317 // Run the default commands.
318 super.onCreate(savedInstanceState);
320 // Set the content view according to the theme..
322 setContentView(R.layout.main_drawerlayout_dark);
324 setContentView(R.layout.main_drawerlayout_light);
327 // Get a handle for `inputMethodManager`.
328 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
330 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
331 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
332 setSupportActionBar(supportAppBar);
333 appBar = getSupportActionBar();
335 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
336 assert appBar != null;
338 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
339 appBar.setCustomView(R.layout.url_app_bar);
340 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
342 // Initialize the `ForegroundColorSpans` and `StyleSpan` for highlighting `urlTextBox`. We have to use the deprecated `getColor()` until API >= 23.
343 redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
344 initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
345 finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
346 boldStyleSpan = new StyleSpan(Typeface.BOLD);
348 // Get a handle for `urlTextBox`.
349 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
351 // Remove the formatting from `urlTextBar` when the user is editing the text.
352 urlTextBox.setOnFocusChangeListener(new View.OnFocusChangeListener() {
354 public void onFocusChange(View v, boolean hasFocus) {
355 if (hasFocus) { // The user is editing `urlTextBox`.
356 // Remove the highlighting.
357 urlTextBox.getText().removeSpan(redColorSpan);
358 urlTextBox.getText().removeSpan(initialGrayColorSpan);
359 urlTextBox.getText().removeSpan(finalGrayColorSpan);
360 urlTextBox.getText().removeSpan(boldStyleSpan);
361 } else { // The user has stopped editing `urlTextBox`.
362 // Reapply the highlighting.
365 // Scroll to the beginning of the text.
366 urlTextBox.setScrollX(0);
371 // Set the `Go` button on the keyboard to load the URL in `urlTextBox`.
372 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
374 public boolean onKey(View v, int keyCode, KeyEvent event) {
375 // If the event is a key-down event on the `enter` button, load the URL.
376 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
377 // Load the URL into the mainWebView and consume the event.
379 loadUrlFromTextBox();
380 } catch (UnsupportedEncodingException e) {
383 // If the enter key was pressed, consume the event.
386 // If any other key was pressed, do not consume the event.
392 // Set `waitingForOrbotHTMLString`.
393 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
395 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
396 currentDomainName = "";
397 orbotStatus = "unknown";
398 waitingForOrbot = false;
400 // Create an Orbot status `BroadcastReceiver`.
401 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
403 public void onReceive(Context context, Intent intent) {
404 // Store the content of the status message in `orbotStatus`.
405 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
407 // If we are waiting on Orbot, load the website now that Orbot is connected.
408 if (orbotStatus.equals("ON") && waitingForOrbot) {
409 // Reset `waitingForOrbot`.
410 waitingForOrbot = false;
412 // Load `formattedUrlString
413 loadUrl(formattedUrlString);
418 // Register `orbotStatusBroadcastReceiver` on `this` context.
419 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
421 // Get handles for views that need to be accessed.
422 drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
423 rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
424 mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
425 mainWebView = (WebView) findViewById(R.id.main_webview);
426 findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
427 findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
428 fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
429 urlAppBarRelativeLayout = (RelativeLayout) findViewById(R.id.url_app_bar_relativelayout);
430 favoriteIconImageView = (ImageView) findViewById(R.id.favorite_icon);
432 // Create a double-tap listener to toggle full-screen mode.
433 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
434 // Override `onDoubleTap()`. All other events are handled using the default settings.
436 public boolean onDoubleTap(MotionEvent event) {
437 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
438 // Toggle `inFullScreenBrowsingMode`.
439 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
441 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
442 // Hide the `appBar`.
445 // Hide the `BannerAd` in the free flavor.
446 if (BuildConfig.FLAVOR.contentEquals("free")) {
447 BannerAd.hideAd(adView);
450 // Modify the system bars.
451 if (hideSystemBarsOnFullscreen) { // Hide everything.
452 // Remove the translucent overlays.
453 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
455 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
456 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
458 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
459 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
460 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
462 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
464 // Set `rootCoordinatorLayout` to fill the whole screen.
465 rootCoordinatorLayout.setFitsSystemWindows(false);
466 } else { // Hide everything except the status and navigation bars.
467 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
468 rootCoordinatorLayout.setFitsSystemWindows(false);
470 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.
471 // Set the navigation bar to be translucent.
472 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
475 } else { // Switch to normal viewing mode.
476 // Show the `appBar`.
479 // Show the `BannerAd` in the free flavor.
480 if (BuildConfig.FLAVOR.contentEquals("free")) {
481 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
482 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
484 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
485 adView = findViewById(R.id.adview);
488 // Remove the translucent navigation bar flag if it is set.
489 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
491 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
492 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
494 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
495 rootCoordinatorLayout.setSystemUiVisibility(0);
497 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
498 rootCoordinatorLayout.setFitsSystemWindows(true);
501 // Consume the double-tap.
503 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
509 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
510 mainWebView.setOnTouchListener(new View.OnTouchListener() {
512 public boolean onTouch(View v, MotionEvent event) {
513 // Send the `event` to `gestureDetector`.
514 return gestureDetector.onTouchEvent(event);
518 // Update `findOnPageCountTextView`.
519 mainWebView.setFindListener(new WebView.FindListener() {
520 // Get a handle for `findOnPageCountTextView`.
521 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
524 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
525 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
526 // Set `findOnPageCountTextView` to `0/0`.
527 findOnPageCountTextView.setText(R.string.zero_of_zero);
528 } else if (isDoneCounting) { // There are matches.
529 // `activeMatchOrdinal` is zero-based.
530 int activeMatch = activeMatchOrdinal + 1;
532 // Set `findOnPageCountTextView`.
533 findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
538 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
539 findOnPageEditText.addTextChangedListener(new TextWatcher() {
541 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
546 public void onTextChanged(CharSequence s, int start, int before, int count) {
551 public void afterTextChanged(Editable s) {
552 // Search for the text in `mainWebView`.
553 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
557 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
558 findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
560 public boolean onKey(View v, int keyCode, KeyEvent event) {
561 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
562 // Hide the soft keyboard. `0` indicates no additional flags.
563 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
565 // Consume the event.
567 } else { // A different key was pressed.
568 // Do not consume the event.
574 // Implement swipe to refresh
575 swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refreshlayout);
576 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
577 swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
579 public void onRefresh() {
580 mainWebView.reload();
584 // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
585 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
587 // Listen for touches on the navigation menu.
588 final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
589 navigationView.setNavigationItemSelectedListener(this);
591 // 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.
592 final Menu navigationMenu = navigationView.getMenu();
593 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
594 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
595 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
597 // The `DrawerListener` allows us to update the Navigation Menu.
598 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
600 public void onDrawerSlide(View drawerView, float slideOffset) {
604 public void onDrawerOpened(View drawerView) {
608 public void onDrawerClosed(View drawerView) {
612 public void onDrawerStateChanged(int newState) {
613 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
614 // Update the `Back`, `Forward`, and `History` menu items.
615 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
616 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
617 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
619 // Hide the keyboard (if displayed) so we can see the navigation menu. `0` indicates no additional flags.
620 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
622 // Clear the focus from `urlTextBox` if it has it.
623 urlTextBox.clearFocus();
628 // drawerToggle creates the hamburger icon at the start of the AppBar.
629 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
631 // Initialize `adServerSet`.
632 final Set<String> adServersSet = new HashSet<>();
634 // Load the list of ad servers into memory.
636 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
637 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
639 // Create a string for storing each ad server.
642 // Populate `adServersSet`.
643 while ((adServer = bufferedReader.readLine()) != null) {
644 adServersSet.add(adServer);
647 // Close `bufferedReader`.
648 bufferedReader.close();
649 } catch (IOException ioException) {
650 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
653 mainWebView.setWebViewClient(new WebViewClient() {
654 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
655 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
656 @SuppressWarnings("deprecation")
658 public boolean shouldOverrideUrlLoading(WebView view, String url) {
659 if (url.startsWith("mailto:")) { // Load the URL in an external email program because it begins with `mailto:`.
660 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
661 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
663 // Parse the url and set it as the data for the `Intent`.
664 emailIntent.setData(Uri.parse(url));
666 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
667 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
670 startActivity(emailIntent);
672 // Returning `true` indicates the application is handling the URL.
674 } else { // Load the URL in Privacy Browser.
675 // Apply the domain settings for the new URL.
676 applyDomainSettings(url);
678 // Returning `false` causes the current `WebView` to handle the URL and prevents it from adding redirects to the history list.
683 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
684 @SuppressWarnings("deprecation")
686 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
687 if (adBlockerEnabled) { // Block ads.
688 // Extract the host from `url`.
689 Uri requestUri = Uri.parse(url);
690 String requestHost = requestUri.getHost();
692 // Initialize a variable to track if this is an ad server.
693 boolean requestHostIsAdServer = false;
695 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
696 if (requestHost != null) {
697 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
698 if (adServersSet.contains(requestHost)) {
699 requestHostIsAdServer = true;
702 // Strip out the lowest subdomain of `requestHost`.
703 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
707 if (requestHostIsAdServer) { // It is an ad server.
708 // Return an empty `WebResourceResponse`.
709 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
710 } else { // It is not an ad server.
711 // `return null` loads the requested resource.
714 } else { // Ad blocking is disabled.
715 // `return null` loads the requested resource.
720 // Update the URL in urlTextBox when the page starts to load.
722 public void onPageStarted(WebView view, String url, Bitmap favicon) {
723 // Reset `webViewTitle`
724 webViewTitle = getString(R.string.no_title);
726 // Check to see if we are waiting on Orbot.
727 if (!waitingForOrbot) { // We are not waiting on Orbot, so we need to process the URL.
728 // 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.
729 formattedUrlString = url;
731 // Display the formatted URL text.
732 urlTextBox.setText(formattedUrlString);
734 // Apply text highlighting to `urlTextBox`.
737 // Apply any custom domain settings if the URL was loaded by navigating history.
738 if (navigatingHistory) {
739 applyDomainSettings(url);
744 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
746 public void onPageFinished(WebView view, String url) {
747 // Clear the cache and history if Incognito Mode is enabled.
748 if (incognitoModeEnabled) {
749 // Clear the cache. `true` includes disk files.
750 mainWebView.clearCache(true);
752 // Clear the back/forward history.
753 mainWebView.clearHistory();
755 // Manually delete cache folders.
757 // Delete the main `cache` folder.
758 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
760 // 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`.
761 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
762 } catch (IOException e) {
763 // Do nothing if an error is thrown.
767 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
768 if (!waitingForOrbot) {
769 // Check to see if `WebView` has set `url` to be `about:blank`.
770 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
771 // Set `formattedUrlString` to `""`.
772 formattedUrlString = "";
774 urlTextBox.setText(formattedUrlString);
776 // Request focus for `urlTextBox`.
777 urlTextBox.requestFocus();
779 // Display the keyboard.
780 inputMethodManager.showSoftInput(urlTextBox, 0);
782 // Apply the domain settings. This clears any settings from the previous domain.
783 applyDomainSettings(formattedUrlString);
784 } else { // `WebView` has loaded a webpage.
785 // Set `formattedUrlString`.
786 formattedUrlString = url;
788 // Only update `urlTextBox` if the user is not typing in it.
789 if (!urlTextBox.hasFocus()) {
790 // Display the formatted URL text.
791 urlTextBox.setText(formattedUrlString);
793 // Apply text highlighting to `urlTextBox`.
798 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
799 sslCertificate = mainWebView.getCertificate();
803 // Handle SSL Certificate errors.
805 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
806 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
807 sslErrorHandler = handler;
809 // Display the SSL error `AlertDialog`.
810 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
811 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
815 // Get a handle for the progress bar.
816 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
818 mainWebView.setWebChromeClient(new WebChromeClient() {
819 // Update the progress bar when a page is loading.
821 public void onProgressChanged(WebView view, int progress) {
822 progressBar.setProgress(progress);
823 if (progress < 100) {
824 progressBar.setVisibility(View.VISIBLE);
826 progressBar.setVisibility(View.GONE);
828 //Stop the `SwipeToRefresh` indicator if it is running
829 swipeRefreshLayout.setRefreshing(false);
833 // Set the favorite icon when it changes.
835 public void onReceivedIcon(WebView view, Bitmap icon) {
836 // Only update the favorite icon if the website has finished loading.
837 if (progressBar.getVisibility() == View.GONE) {
838 // Save a copy of the favorite icon.
839 favoriteIconBitmap = icon;
841 // Place the favorite icon in the appBar.
842 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
846 // Save a copy of the title when it changes.
848 public void onReceivedTitle(WebView view, String title) {
849 // Save a copy of the title.
850 webViewTitle = title;
853 // Enter full screen video
855 public void onShowCustomView(View view, CustomViewCallback callback) {
856 // Pause the ad if this is the free flavor.
857 if (BuildConfig.FLAVOR.contentEquals("free")) {
858 BannerAd.pauseAd(adView);
861 // Remove the translucent overlays.
862 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
864 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
865 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
867 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
868 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
869 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
871 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
873 // Set `rootCoordinatorLayout` to fill the entire screen.
874 rootCoordinatorLayout.setFitsSystemWindows(false);
876 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
877 fullScreenVideoFrameLayout.addView(view);
878 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
881 // Exit full screen video
882 public void onHideCustomView() {
883 // Hide `fullScreenVideoFrameLayout`.
884 fullScreenVideoFrameLayout.removeAllViews();
885 fullScreenVideoFrameLayout.setVisibility(View.GONE);
887 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
888 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
890 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
891 rootCoordinatorLayout.setFitsSystemWindows(true);
893 // Show the ad if this is the free flavor.
894 if (BuildConfig.FLAVOR.contentEquals("free")) {
895 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
896 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
898 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
899 adView = findViewById(R.id.adview);
904 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
905 registerForContextMenu(mainWebView);
907 // Allow the downloading of files.
908 mainWebView.setDownloadListener(new DownloadListener() {
910 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
911 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
912 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
913 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
917 // Allow pinch to zoom.
918 mainWebView.getSettings().setBuiltInZoomControls(true);
920 // Hide zoom controls.
921 mainWebView.getSettings().setDisplayZoomControls(false);
923 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
924 mainWebView.getSettings().setUseWideViewPort(true);
926 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
927 mainWebView.getSettings().setLoadWithOverviewMode(true);
929 // Initialize cookieManager.
930 cookieManager = CookieManager.getInstance();
932 // 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).
933 customHeaders.put("X-Requested-With", "");
935 // 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.
936 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
938 // Get the intent that started the app.
939 final Intent launchingIntent = getIntent();
941 // Extract the launching intent data as `launchingIntentUriData`.
942 final Uri launchingIntentUriData = launchingIntent.getData();
944 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
945 if (launchingIntentUriData != null) {
946 formattedUrlString = launchingIntentUriData.toString();
949 // Get a handle for the `Runtime`.
950 privacyBrowserRuntime = Runtime.getRuntime();
952 // Store the application's private data directory.
953 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`.
955 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
956 inFullScreenBrowsingMode = false;
958 // Initialize AdView for the free flavor.
959 adView = findViewById(R.id.adview);
961 // Initialize the privacy settings variables.
962 javaScriptEnabled = false;
963 firstPartyCookiesEnabled = false;
964 thirdPartyCookiesEnabled = false;
965 domStorageEnabled = false;
966 saveFormDataEnabled = false;
968 // Initialize `webViewTitle`.
969 webViewTitle = getString(R.string.no_title);
971 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
972 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
973 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
974 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
976 // If the favorite icon is null, load the default.
977 if (favoriteIconBitmap == null) {
978 favoriteIconBitmap = favoriteIconDefaultBitmap;
981 // Apply the app settings from the shared preferences.
984 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
985 if (!waitingForOrbot) {
986 loadUrl(formattedUrlString);
991 protected void onNewIntent(Intent intent) {
992 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
995 if (intent.getData() != null) {
996 // Get the intent data and convert it to a string.
997 final Uri intentUriData = intent.getData();
998 formattedUrlString = intentUriData.toString();
1001 // Close the navigation drawer if it is open.
1002 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1003 drawerLayout.closeDrawer(GravityCompat.START);
1006 // Load the website.
1007 loadUrl(formattedUrlString);
1009 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
1010 mainWebView.requestFocus();
1014 public void onRestart() {
1017 // Apply the app settings, which may have been changed in `SettingsActivity`.
1020 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1021 updatePrivacyIcons(true);
1023 // Set the display webpage images mode.
1024 setDisplayWebpageImages();
1026 // Reload the webpage if displaying of images has been disabled in `SettingsFragment`.
1027 if (reloadOnRestartBoolean) {
1028 // Reload `mainWebView`.
1029 mainWebView.reload();
1031 // Reset `reloadOnRestartBoolean`.
1032 reloadOnRestartBoolean = false;
1036 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
1038 public void onResume() {
1041 // Resume JavaScript (if enabled).
1042 mainWebView.resumeTimers();
1044 // Resume `mainWebView`.
1045 mainWebView.onResume();
1047 // Resume the adView for the free flavor.
1048 if (BuildConfig.FLAVOR.contentEquals("free")) {
1049 BannerAd.resumeAd(adView);
1054 public void onPause() {
1055 // Pause `mainWebView`.
1056 mainWebView.onPause();
1058 // Stop all JavaScript.
1059 mainWebView.pauseTimers();
1061 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1062 if (BuildConfig.FLAVOR.contentEquals("free")) {
1063 BannerAd.pauseAd(adView);
1070 public boolean onCreateOptionsMenu(Menu menu) {
1071 // Inflate the menu; this adds items to the action bar if it is present.
1072 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
1074 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
1077 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
1078 updatePrivacyIcons(false);
1080 // Get handles for the menu items.
1081 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1082 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1083 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1084 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1086 // Only display third-party cookies if SDK >= 21
1087 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1089 // Get the shared preference values. `this` references the current context.
1090 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1092 // Set the status of the additional app bar icons. The default is `false`.
1093 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1094 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1095 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1096 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1097 } else { //Do not display the additional icons.
1098 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1099 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1100 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1107 public boolean onPrepareOptionsMenu(Menu menu) {
1108 // Get handles for the menu items.
1109 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1110 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1111 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1112 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1113 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1114 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1115 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1116 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1117 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1119 // Set the status of the menu item checkboxes.
1120 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1121 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1122 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1123 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1124 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1126 // Enable third-party cookies if first-party cookies are enabled.
1127 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1129 // Enable DOM Storage if JavaScript is enabled.
1130 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1132 // Enable Clear Cookies if there are any.
1133 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1135 // Enable Clear Form Data is there is any.
1136 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1137 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1139 // Initialize font size variables.
1140 int fontSize = mainWebView.getSettings().getTextZoom();
1141 String fontSizeTitle;
1142 MenuItem selectedFontSizeMenuItem;
1144 // Prepare the font size title and current size menu item.
1147 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.twenty_five_percent);
1148 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1152 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
1153 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1157 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1158 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1162 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1163 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1167 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1168 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1172 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1173 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1177 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1178 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1182 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1183 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1187 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1188 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1192 // Set the font size title and select the current size menu item.
1193 fontSizeMenuItem.setTitle(fontSizeTitle);
1194 selectedFontSizeMenuItem.setChecked(true);
1196 // Only show `Refresh` if `swipeToRefresh` is disabled.
1197 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1199 // Run all the other default commands.
1200 super.onPrepareOptionsMenu(menu);
1202 // `return true` displays the menu.
1207 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1208 @SuppressLint("SetJavaScriptEnabled")
1209 // removeAllCookies is deprecated, but it is required for API < 21.
1210 @SuppressWarnings("deprecation")
1211 public boolean onOptionsItemSelected(MenuItem menuItem) {
1212 int menuItemId = menuItem.getItemId();
1214 // Set the commands that relate to the menu entries.
1215 switch (menuItemId) {
1216 case R.id.toggle_javascript:
1217 // Switch the status of javaScriptEnabled.
1218 javaScriptEnabled = !javaScriptEnabled;
1220 // Apply the new JavaScript status.
1221 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1223 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1224 updatePrivacyIcons(true);
1226 // Display a `Snackbar`.
1227 if (javaScriptEnabled) { // JavaScrip is enabled.
1228 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1229 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1230 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1231 } else { // Privacy mode.
1232 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1235 // Reload the WebView.
1236 mainWebView.reload();
1239 case R.id.toggle_first_party_cookies:
1240 // Switch the status of firstPartyCookiesEnabled.
1241 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1243 // Update the menu checkbox.
1244 menuItem.setChecked(firstPartyCookiesEnabled);
1246 // Apply the new cookie status.
1247 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1249 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1250 updatePrivacyIcons(true);
1252 // Display a `Snackbar`.
1253 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1254 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1255 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1256 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1257 } else { // Privacy mode.
1258 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1261 // Reload the WebView.
1262 mainWebView.reload();
1265 case R.id.toggle_third_party_cookies:
1266 if (Build.VERSION.SDK_INT >= 21) {
1267 // Switch the status of thirdPartyCookiesEnabled.
1268 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1270 // Update the menu checkbox.
1271 menuItem.setChecked(thirdPartyCookiesEnabled);
1273 // Apply the new cookie status.
1274 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1276 // Display a `Snackbar`.
1277 if (thirdPartyCookiesEnabled) {
1278 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1280 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1283 // Reload the WebView.
1284 mainWebView.reload();
1285 } // Else do nothing because SDK < 21.
1288 case R.id.toggle_dom_storage:
1289 // Switch the status of domStorageEnabled.
1290 domStorageEnabled = !domStorageEnabled;
1292 // Update the menu checkbox.
1293 menuItem.setChecked(domStorageEnabled);
1295 // Apply the new DOM Storage status.
1296 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1298 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1299 updatePrivacyIcons(true);
1301 // Display a `Snackbar`.
1302 if (domStorageEnabled) {
1303 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1305 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1308 // Reload the WebView.
1309 mainWebView.reload();
1312 case R.id.toggle_save_form_data:
1313 // Switch the status of saveFormDataEnabled.
1314 saveFormDataEnabled = !saveFormDataEnabled;
1316 // Update the menu checkbox.
1317 menuItem.setChecked(saveFormDataEnabled);
1319 // Apply the new form data status.
1320 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1322 // Display a `Snackbar`.
1323 if (saveFormDataEnabled) {
1324 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1326 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1329 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1330 updatePrivacyIcons(true);
1332 // Reload the WebView.
1333 mainWebView.reload();
1336 case R.id.clear_cookies:
1337 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_LONG)
1338 .setAction(R.string.undo, new View.OnClickListener() {
1340 public void onClick(View v) {
1341 // Do nothing because everything will be handled by `onDismissed()` below.
1344 .addCallback(new Snackbar.Callback() {
1346 public void onDismissed(Snackbar snackbar, int event) {
1348 // The user pushed the `Undo` button.
1349 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1353 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1355 // `cookieManager.removeAllCookie()` varies by SDK.
1356 if (Build.VERSION.SDK_INT < 21) {
1357 cookieManager.removeAllCookie();
1359 // `null` indicates no callback.
1360 cookieManager.removeAllCookies(null);
1368 case R.id.clear_dom_storage:
1369 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_LONG)
1370 .setAction(R.string.undo, new View.OnClickListener() {
1372 public void onClick(View v) {
1373 // Do nothing because everything will be handled by `onDismissed()` below.
1376 .addCallback(new Snackbar.Callback() {
1378 public void onDismissed(Snackbar snackbar, int event) {
1380 // The user pushed the `Undo` button.
1381 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1385 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1387 // Delete the DOM Storage.
1388 WebStorage webStorage = WebStorage.getInstance();
1389 webStorage.deleteAllData();
1396 case R.id.clear_form_data:
1397 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_LONG)
1398 .setAction(R.string.undo, new View.OnClickListener() {
1400 public void onClick(View v) {
1401 // Do nothing because everything will be handled by `onDismissed()` below.
1404 .addCallback(new Snackbar.Callback() {
1406 public void onDismissed(Snackbar snackbar, int event) {
1408 // The user pushed the `Undo` button.
1409 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1413 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1415 // Delete the form data.
1416 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(getApplicationContext());
1417 mainWebViewDatabase.clearFormData();
1424 case R.id.font_size_twenty_five_percent:
1425 mainWebView.getSettings().setTextZoom(25);
1428 case R.id.font_size_fifty_percent:
1429 mainWebView.getSettings().setTextZoom(50);
1432 case R.id.font_size_seventy_five_percent:
1433 mainWebView.getSettings().setTextZoom(75);
1436 case R.id.font_size_one_hundred_percent:
1437 mainWebView.getSettings().setTextZoom(100);
1440 case R.id.font_size_one_hundred_twenty_five_percent:
1441 mainWebView.getSettings().setTextZoom(125);
1444 case R.id.font_size_one_hundred_fifty_percent:
1445 mainWebView.getSettings().setTextZoom(150);
1448 case R.id.font_size_one_hundred_seventy_five_percent:
1449 mainWebView.getSettings().setTextZoom(175);
1452 case R.id.font_size_two_hundred_percent:
1453 mainWebView.getSettings().setTextZoom(200);
1456 case R.id.display_images:
1457 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1458 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1459 mainWebView.reload();
1460 } else { // Images are not currently loaded automatically.
1461 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1464 // Set `onTheFlyDisplayImagesSet`.
1465 onTheFlyDisplayImagesSet = true;
1469 // Setup the share string.
1471 if (webViewTitle != null) {
1472 shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1474 shareString = urlTextBox.getText().toString();
1477 // Create the share intent.
1478 Intent shareIntent = new Intent();
1479 shareIntent.setAction(Intent.ACTION_SEND);
1480 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1481 shareIntent.setType("text/plain");
1484 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1487 case R.id.find_on_page:
1488 // Hide the URL app bar.
1489 supportAppBar.setVisibility(View.GONE);
1491 // Show the Find on Page `RelativeLayout`.
1492 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1494 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1495 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1496 findOnPageEditText.postDelayed(new Runnable()
1501 // Set the focus on `findOnPageEditText`.
1502 findOnPageEditText.requestFocus();
1504 // Display the keyboard.
1505 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1511 // Get a `PrintManager` instance.
1512 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1514 // Convert `mainWebView` to `printDocumentAdapter`.
1515 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1517 // Print the document. The print attributes are `null`.
1518 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1521 case R.id.add_to_homescreen:
1522 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1523 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1524 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1526 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1530 mainWebView.reload();
1534 // Don't consume the event.
1535 return super.onOptionsItemSelected(menuItem);
1539 // removeAllCookies is deprecated, but it is required for API < 21.
1540 @SuppressWarnings("deprecation")
1542 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1543 int menuItemId = menuItem.getItemId();
1545 switch (menuItemId) {
1551 if (mainWebView.canGoBack()) {
1552 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1553 navigatingHistory = true;
1555 // Load the previous website in the history.
1556 mainWebView.goBack();
1561 if (mainWebView.canGoForward()) {
1562 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1563 navigatingHistory = true;
1565 // Load the next website in the history.
1566 mainWebView.goForward();
1571 // Get the `WebBackForwardList`.
1572 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1574 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1575 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1576 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1579 case R.id.bookmarks:
1580 // Launch BookmarksActivity.
1581 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1582 startActivity(bookmarksIntent);
1585 case R.id.downloads:
1586 // Launch the system Download Manager.
1587 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1589 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1590 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1592 startActivity(downloadManagerIntent);
1596 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1597 currentDomainName = "";
1599 // Launch `SettingsActivity`.
1600 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1601 startActivity(settingsIntent);
1605 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1606 currentDomainName = "";
1608 // Launch `DomainsActivity`.
1609 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1610 startActivity(domainsIntent);
1614 // Launch `GuideActivity`.
1615 Intent guideIntent = new Intent(this, GuideActivity.class);
1616 startActivity(guideIntent);
1620 // Launch `AboutActivity`.
1621 Intent aboutIntent = new Intent(this, AboutActivity.class);
1622 startActivity(aboutIntent);
1625 case R.id.clearAndExit:
1626 // Get a handle for `sharedPreferences`. `this` references the current context.
1627 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1629 boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true);
1632 if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) {
1633 // The command to remove cookies changed slightly in API 21.
1634 if (Build.VERSION.SDK_INT >= 21) {
1635 cookieManager.removeAllCookies(null);
1637 cookieManager.removeAllCookie();
1640 // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1642 // We have to use two commands because `Runtime.exec()` does not like `*`.
1643 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies");
1644 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal");
1645 } catch (IOException e) {
1646 // Do nothing if an error is thrown.
1650 // Clear DOM storage.
1651 if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) {
1652 // Ask `WebStorage` to clear the DOM storage.
1653 WebStorage webStorage = WebStorage.getInstance();
1654 webStorage.deleteAllData();
1656 // Manually delete the DOM storage directory, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1658 // We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1659 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
1660 } catch (IOException e) {
1661 // Do nothing if an error is thrown.
1666 if (clearEverything || sharedPreferences.getBoolean("clear_form_data", true)) {
1667 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1668 webViewDatabase.clearFormData();
1670 // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1672 // We have to use a `String[]` because the database contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1673 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"});
1674 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"});
1675 } catch (IOException e) {
1676 // Do nothing if an error is thrown.
1681 if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) {
1682 // `true` includes disk files.
1683 mainWebView.clearCache(true);
1685 // Manually delete the cache directories.
1687 // Delete the main cache directory.
1688 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1690 // 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.
1691 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"});
1692 } catch (IOException e) {
1693 // Do nothing if an error is thrown.
1697 // Clear SSL certificate preferences.
1698 mainWebView.clearSslPreferences();
1700 // Clear the back/forward history.
1701 mainWebView.clearHistory();
1703 // Clear `formattedUrlString`.
1704 formattedUrlString = null;
1706 // Clear `customHeaders`.
1707 customHeaders.clear();
1709 // Detach all views from `mainWebViewRelativeLayout`.
1710 mainWebViewRelativeLayout.removeAllViews();
1712 // Destroy the internal state of `mainWebView`.
1713 mainWebView.destroy();
1715 // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache.
1716 // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
1717 if (clearEverything) {
1719 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
1720 } catch (IOException e) {
1721 // Do nothing if an error is thrown.
1725 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1726 if (Build.VERSION.SDK_INT >= 21) {
1727 finishAndRemoveTask();
1732 // Remove the terminated program from RAM. The status code is `0`.
1737 // Close the navigation drawer.
1738 drawerLayout.closeDrawer(GravityCompat.START);
1743 public void onPostCreate(Bundle savedInstanceState) {
1744 super.onPostCreate(savedInstanceState);
1746 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1747 drawerToggle.syncState();
1751 public void onConfigurationChanged(Configuration newConfig) {
1752 super.onConfigurationChanged(newConfig);
1754 // Reload the ad for the free flavor if we are not in full screen mode.
1755 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1757 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1759 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1760 adView = findViewById(R.id.adview);
1763 // `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
1764 // ActivityCompat.invalidateOptionsMenu(this);
1768 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1769 // Store the `HitTestResult`.
1770 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1773 final String imageUrl;
1774 final String linkUrl;
1776 // Get a handle for the `ClipboardManager`.
1777 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1779 switch (hitTestResult.getType()) {
1780 // `SRC_ANCHOR_TYPE` is a link.
1781 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1782 // Get the target URL.
1783 linkUrl = hitTestResult.getExtra();
1785 // Set the target URL as the title of the `ContextMenu`.
1786 menu.setHeaderTitle(linkUrl);
1788 // Add a `Load URL` entry.
1789 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1791 public boolean onMenuItemClick(MenuItem item) {
1797 // Add a `Copy URL` entry.
1798 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1800 public boolean onMenuItemClick(MenuItem item) {
1801 // Save the link URL in a `ClipData`.
1802 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1804 // Set the `ClipData` as the clipboard's primary clip.
1805 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1810 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1811 menu.add(R.string.cancel);
1814 case WebView.HitTestResult.EMAIL_TYPE:
1815 // Get the target URL.
1816 linkUrl = hitTestResult.getExtra();
1818 // Set the target URL as the title of the `ContextMenu`.
1819 menu.setHeaderTitle(linkUrl);
1821 // Add a `Write Email` entry.
1822 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1824 public boolean onMenuItemClick(MenuItem item) {
1825 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1826 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1828 // Parse the url and set it as the data for the `Intent`.
1829 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1831 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1832 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1835 startActivity(emailIntent);
1840 // Add a `Copy Email Address` entry.
1841 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1843 public boolean onMenuItemClick(MenuItem item) {
1844 // Save the email address in a `ClipData`.
1845 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1847 // Set the `ClipData` as the clipboard's primary clip.
1848 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1853 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1854 menu.add(R.string.cancel);
1857 // `IMAGE_TYPE` is an image.
1858 case WebView.HitTestResult.IMAGE_TYPE:
1859 // Get the image URL.
1860 imageUrl = hitTestResult.getExtra();
1862 // Set the image URL as the title of the `ContextMenu`.
1863 menu.setHeaderTitle(imageUrl);
1865 // Add a `View Image` entry.
1866 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1868 public boolean onMenuItemClick(MenuItem item) {
1874 // Add a `Download Image` entry.
1875 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1877 public boolean onMenuItemClick(MenuItem item) {
1878 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1879 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1880 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1885 // Add a `Copy URL` entry.
1886 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1888 public boolean onMenuItemClick(MenuItem item) {
1889 // Save the image URL in a `ClipData`.
1890 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1892 // Set the `ClipData` as the clipboard's primary clip.
1893 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1898 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1899 menu.add(R.string.cancel);
1903 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1904 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1905 // Get the image URL.
1906 imageUrl = hitTestResult.getExtra();
1908 // Set the image URL as the title of the `ContextMenu`.
1909 menu.setHeaderTitle(imageUrl);
1911 // Add a `View Image` entry.
1912 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1914 public boolean onMenuItemClick(MenuItem item) {
1920 // Add a `Download Image` entry.
1921 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1923 public boolean onMenuItemClick(MenuItem item) {
1924 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1925 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1926 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1931 // Add a `Copy URL` entry.
1932 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1934 public boolean onMenuItemClick(MenuItem item) {
1935 // Save the image URL in a `ClipData`.
1936 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1938 // Set the `ClipData` as the clipboard's primary clip.
1939 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1944 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1945 menu.add(R.string.cancel);
1951 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1952 // Get shortcutNameEditText from the alert dialog.
1953 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1955 // Create the bookmark shortcut based on formattedUrlString.
1956 Intent bookmarkShortcut = new Intent();
1957 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1958 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1960 // Place the bookmark shortcut on the home screen.
1961 Intent placeBookmarkShortcut = new Intent();
1962 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1963 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1964 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1965 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1966 sendBroadcast(placeBookmarkShortcut);
1970 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1971 // Download the image if it has an HTTP or HTTPS URI.
1972 if (imageUrl.startsWith("http")) {
1973 // Get a handle for the system `DOWNLOAD_SERVICE`.
1974 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1976 // Parse `imageUrl`.
1977 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1979 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1980 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
1981 if (firstPartyCookiesEnabled) {
1982 // Get the cookies for `imageUrl`.
1983 String cookies = cookieManager.getCookie(imageUrl);
1985 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1986 downloadRequest.addRequestHeader("Cookie", cookies);
1989 // Get the file name from `dialogFragment`.
1990 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1991 String imageName = downloadImageNameEditText.getText().toString();
1993 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1994 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1995 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1996 } else { // Only set the title using `imageName`.
1997 downloadRequest.setTitle(imageName);
2000 // Allow `MediaScanner` to index the download if it is a media file.
2001 downloadRequest.allowScanningByMediaScanner();
2003 // Add the URL as the description for the download.
2004 downloadRequest.setDescription(imageUrl);
2006 // Show the download notification after the download is completed.
2007 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2009 // Initiate the download.
2010 downloadManager.enqueue(downloadRequest);
2011 } else { // The image is not an HTTP or HTTPS URI.
2012 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
2017 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
2018 // Download the file if it has an HTTP or HTTPS URI.
2019 if (downloadUrl.startsWith("http")) {
2021 // Get a handle for the system `DOWNLOAD_SERVICE`.
2022 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
2024 // Parse `downloadUrl`.
2025 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
2027 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
2028 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
2029 if (firstPartyCookiesEnabled) {
2030 // Get the cookies for `downloadUrl`.
2031 String cookies = cookieManager.getCookie(downloadUrl);
2033 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
2034 downloadRequest.addRequestHeader("Cookie", cookies);
2037 // Get the file name from `dialogFragment`.
2038 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
2039 String fileName = downloadFileNameEditText.getText().toString();
2041 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
2042 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
2043 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
2044 } else { // Only set the title using `fileName`.
2045 downloadRequest.setTitle(fileName);
2048 // Allow `MediaScanner` to index the download if it is a media file.
2049 downloadRequest.allowScanningByMediaScanner();
2051 // Add the URL as the description for the download.
2052 downloadRequest.setDescription(downloadUrl);
2054 // Show the download notification after the download is completed.
2055 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2057 // Initiate the download.
2058 downloadManager.enqueue(downloadRequest);
2059 } else { // The download is not an HTTP or HTTPS URI.
2060 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
2064 public void viewSslCertificate(View view) {
2065 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
2066 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
2067 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
2071 public void onSslErrorCancel() {
2072 sslErrorHandler.cancel();
2076 public void onSslErrorProceed() {
2077 sslErrorHandler.proceed();
2081 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
2082 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2083 navigatingHistory = true;
2085 // Load the history entry.
2086 mainWebView.goBackOrForward(moveBackOrForwardSteps);
2090 public void onClearHistory() {
2091 // Clear the history.
2092 mainWebView.clearHistory();
2095 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
2097 public void onBackPressed() {
2098 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
2099 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
2100 drawerLayout.closeDrawer(GravityCompat.START);
2102 // Load the previous URL if available.
2103 if (mainWebView.canGoBack()) {
2104 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2105 navigatingHistory = true;
2108 mainWebView.goBack();
2110 // Pass `onBackPressed()` to the system.
2111 super.onBackPressed();
2116 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
2117 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
2118 String unformattedUrlString = urlTextBox.getText().toString().trim();
2120 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
2121 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
2122 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
2123 if (!unformattedUrlString.startsWith("http")) {
2124 unformattedUrlString = "http://" + unformattedUrlString;
2127 // Initialize `unformattedUrl`.
2128 URL unformattedUrl = null;
2130 // 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.
2132 unformattedUrl = new URL(unformattedUrlString);
2133 } catch (MalformedURLException e) {
2134 e.printStackTrace();
2137 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
2138 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
2139 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
2140 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
2141 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
2142 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
2145 Uri.Builder formattedUri = new Uri.Builder();
2146 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
2148 // Decode `formattedUri` as a `String` in `UTF-8`.
2149 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
2151 // Sanitize the search input and convert it to a search.
2152 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
2154 // Add the base search URL.
2155 formattedUrlString = searchURL + encodedUrlString;
2158 loadUrl(formattedUrlString);
2160 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2161 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2165 private void loadUrl(String url) {
2166 // Apply any custom domain settings.
2167 applyDomainSettings(url);
2170 mainWebView.loadUrl(url, customHeaders);
2173 public void findPreviousOnPage(View view) {
2174 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2175 mainWebView.findNext(false);
2178 public void findNextOnPage(View view) {
2179 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2180 mainWebView.findNext(true);
2183 public void closeFindOnPage(View view) {
2184 // Delete the contents of `find_on_page_edittext`.
2185 findOnPageEditText.setText(null);
2187 // Clear the highlighted phrases.
2188 mainWebView.clearMatches();
2190 // Hide the Find on Page `RelativeLayout`.
2191 findOnPageLinearLayout.setVisibility(View.GONE);
2193 // Show the URL app bar.
2194 supportAppBar.setVisibility(View.VISIBLE);
2196 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2197 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2200 private void applyAppSettings() {
2201 // Get a handle for `sharedPreferences`. `this` references the current context.
2202 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2204 // Store the values from `sharedPreferences` in variables.
2205 String homepageString = sharedPreferences.getString("homepage", "https://start.duckduckgo.com");
2206 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2207 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2208 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2209 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2210 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2211 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2212 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2213 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2214 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2215 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2216 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2217 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2218 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2219 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2221 // Set the homepage, search, and proxy options.
2222 if (proxyThroughOrbot) { // Set the Tor options.
2223 // Set `torHomepageString` as `homepage`.
2224 homepage = torHomepageString;
2226 // If formattedUrlString is null assign the homepage to it.
2227 if (formattedUrlString == null) {
2228 formattedUrlString = homepage;
2231 // Set the search URL.
2232 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2233 searchURL = torSearchCustomURLString;
2234 } else { // Use the string from the pre-built list.
2235 searchURL = torSearchString;
2238 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2239 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2241 // Set the `appBar` background to indicate proxying through Orbot is enabled. `this` refers to the context.
2243 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.dark_blue_30));
2245 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.blue_50));
2248 // Display a message to the user if we are waiting on Orbot.
2249 if (!orbotStatus.equals("ON")) {
2250 // Set `waitingForOrbot`.
2251 waitingForOrbot = true;
2253 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2254 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2256 } else { // Set the non-Tor options.
2257 // Set `homepageString` as `homepage`.
2258 homepage = homepageString;
2260 // If formattedUrlString is null assign the homepage to it.
2261 if (formattedUrlString == null) {
2262 formattedUrlString = homepage;
2265 // Set the search URL.
2266 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2267 searchURL = searchCustomURLString;
2268 } else { // Use the string from the pre-built list.
2269 searchURL = searchString;
2272 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2273 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2275 // Set the default `appBar` background. `this` refers to the context.
2277 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_900));
2279 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_100));
2282 // Reset `waitingForOrbot.
2283 waitingForOrbot = false;
2286 // Set swipe to refresh.
2287 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2289 // Set Do Not Track status.
2290 if (doNotTrackEnabled) {
2291 customHeaders.put("DNT", "1");
2293 customHeaders.remove("DNT");
2296 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2297 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2298 if (hideSystemBarsOnFullscreen) { // Hide everything.
2299 // Remove the translucent navigation setting if it is currently flagged.
2300 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2302 // Remove the translucent status bar overlay.
2303 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2305 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2306 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2308 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2309 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2310 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2312 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2313 } else { // Hide everything except the status and navigation bars.
2314 // Add the translucent status flag if it is unset.
2315 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2317 if (translucentNavigationBarOnFullscreen) {
2318 // Set the navigation bar to be translucent.
2319 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2321 // Set the navigation bar to be black.
2322 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2325 } else { // Switch to normal viewing mode.
2326 // Reset `inFullScreenBrowsingMode` to `false`.
2327 inFullScreenBrowsingMode = false;
2329 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2330 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2334 // Show the `BannerAd` in the free flavor.
2335 if (BuildConfig.FLAVOR.contentEquals("free")) {
2336 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2337 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2339 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2340 adView = findViewById(R.id.adview);
2343 // Remove the translucent navigation bar flag if it is set.
2344 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2346 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2347 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2349 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2350 rootCoordinatorLayout.setSystemUiVisibility(0);
2352 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2353 rootCoordinatorLayout.setFitsSystemWindows(true);
2357 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2358 @SuppressWarnings("deprecation")
2359 private void applyDomainSettings(String url) {
2360 // Reset `navigatingHistory`.
2361 navigatingHistory = false;
2363 // Parse the URL into a URI.
2364 Uri uri = Uri.parse(url);
2366 // Extract the domain from `uri`.
2367 String hostName = uri.getHost();
2369 // Initialize `loadingNewDomainName`.
2370 boolean loadingNewDomainName;
2372 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
2373 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
2374 //noinspection SimplifiableIfStatement
2375 if ((hostName == null) || (currentDomainName == null)) {
2376 loadingNewDomainName = true;
2377 } else { // Determine if `hostName` equals `currentDomainName`.
2378 loadingNewDomainName = !hostName.equals(currentDomainName);
2381 // 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.
2382 if (loadingNewDomainName) {
2383 // Set the new `hostname` as the `currentDomainName`.
2384 currentDomainName = hostName;
2386 // Reset `favoriteIconBitmap` and display it in the `appbar`.
2387 favoriteIconBitmap = favoriteIconDefaultBitmap;
2388 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
2390 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2391 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2392 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2394 // Get a full cursor from `domainsDatabaseHelper`.
2395 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
2397 // Initialize `domainSettingsSet`.
2398 Set<String> domainSettingsSet = new HashSet<>();
2400 // Get the domain name column index.
2401 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
2403 // Populate `domainSettingsSet`.
2404 for (int i = 0; i < domainNameCursor.getCount(); i++) {
2405 // Move `domainsCursor` to the current row.
2406 domainNameCursor.moveToPosition(i);
2408 // Store the domain name in `domainSettingsSet`.
2409 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
2412 // Close `domainNameCursor.
2413 domainNameCursor.close();
2415 // Initialize variables to track if domain settings will be applied and, if so, under which name.
2416 domainSettingsApplied = false;
2417 String domainNameInDatabase = null;
2419 // Check the hostname.
2420 if (domainSettingsSet.contains(hostName)) {
2421 domainSettingsApplied = true;
2422 domainNameInDatabase = hostName;
2425 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
2426 if (hostName != null) {
2427 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
2428 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
2429 domainSettingsApplied = true;
2430 domainNameInDatabase = "*." + hostName;
2433 // Strip out the lowest subdomain of `host`.
2434 hostName = hostName.substring(hostName.indexOf(".") + 1);
2438 // Get a handle for the shared preference. `this` references the current context.
2439 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2441 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
2442 // Get a cursor for the current host and move it to the first position.
2443 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2444 currentHostDomainSettingsCursor.moveToFirst();
2446 // Get the settings from the cursor.
2447 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2448 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2449 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2450 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2451 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2452 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
2453 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
2454 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
2456 // Close `currentHostDomainSettingsCursor`.
2457 currentHostDomainSettingsCursor.close();
2459 // Apply the domain settings.
2460 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2461 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2462 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2463 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2464 mainWebView.getSettings().setTextZoom(fontSize);
2466 // Set third-party cookies status if API >= 21.
2467 if (Build.VERSION.SDK_INT >= 21) {
2468 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2471 // Set the user agent.
2472 if (userAgentString.equals("WebView default user agent")) {
2473 // Set the user agent to `""`, which uses the default value.
2474 mainWebView.getSettings().setUserAgentString("");
2476 // Use the selected user agent.
2477 mainWebView.getSettings().setUserAgentString(userAgentString);
2480 // 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.
2482 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue));
2484 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green));
2486 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2487 // Store the values from `sharedPreferences` in variables.
2488 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2489 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2490 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2491 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2492 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2493 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2494 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2495 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2497 // Apply the default settings.
2498 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2499 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2500 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2501 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2502 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2504 // Set third-party cookies status if API >= 21.
2505 if (Build.VERSION.SDK_INT >= 21) {
2506 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2509 // Set the default user agent.
2510 switch (userAgentString) {
2511 case "WebView default user agent":
2512 // Set the user agent to `""`, which uses the default value.
2513 mainWebView.getSettings().setUserAgentString("");
2516 case "Custom user agent":
2517 // Set the custom user agent.
2518 mainWebView.getSettings().setUserAgentString(customUserAgentString);
2522 // Use the selected user agent.
2523 mainWebView.getSettings().setUserAgentString(userAgentString);
2527 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2528 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
2531 // Close `domainsDatabaseHelper`.
2532 domainsDatabaseHelper.close();
2534 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
2535 onTheFlyDisplayImagesSet = false;
2536 setDisplayWebpageImages();
2538 // Update the privacy icons, but only if `mainMenu` has already been populated.
2539 if (mainMenu != null) {
2540 updatePrivacyIcons(true);
2545 private void setDisplayWebpageImages() {
2546 if (!onTheFlyDisplayImagesSet) {
2547 if (domainSettingsApplied) { // Custom domain settings are applied.
2548 switch (displayWebpageImagesInt) {
2549 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
2550 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2553 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
2554 mainWebView.getSettings().setLoadsImagesAutomatically(true);
2557 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
2558 mainWebView.getSettings().setLoadsImagesAutomatically(false);
2561 } else { // Default settings are applied.
2562 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2567 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2568 // Get handles for the icons.
2569 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
2570 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
2571 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
2572 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
2574 // Update `privacyIcon`.
2575 if (javaScriptEnabled) { // JavaScript is enabled.
2576 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
2577 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2578 privacyIconMenuItem.setIcon(R.drawable.warning);
2579 } else { // All the dangerous features are disabled.
2580 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
2583 // Update `firstPartyCookiesIcon`.
2584 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2585 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
2586 } else { // First-party cookies are disabled.
2587 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled);
2590 // Update `domStorageIcon`.
2591 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2592 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
2593 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2594 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled);
2595 } else { // JavaScript is disabled, so DOM storage is ghosted.
2596 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted);
2599 // Update `formDataIcon`.
2600 if (saveFormDataEnabled) { // Form data is enabled.
2601 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
2602 } else { // Form data is disabled.
2603 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled);
2606 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2607 if (runInvalidateOptionsMenu) {
2608 ActivityCompat.invalidateOptionsMenu(this);
2612 private void highlightUrlText() {
2613 String urlString = urlTextBox.getText().toString();
2615 if (urlString.startsWith("http://")) { // Highlight connections that are not encrypted.
2616 urlTextBox.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2617 urlTextBox.getText().setSpan(boldStyleSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2618 } else if (urlString.startsWith("https://")) { // Highlight connections that are encrypted.
2619 urlTextBox.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2622 // Get the index of the `/` immediately after the domain name.
2623 int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
2625 // De-emphasize the text after the domain name.
2626 if (endOfDomainName > 0) {
2627 urlTextBox.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);