2 * Copyright © 2015-2017 Soren Stoutner <soren@stoutner.com>.
4 * Download cookie code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
6 * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
8 * Privacy Browser is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
13 * Privacy Browser is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
22 package com.stoutner.privacybrowser.activities;
24 import android.annotation.SuppressLint;
25 import android.app.DialogFragment;
26 import android.app.DownloadManager;
27 import android.content.BroadcastReceiver;
28 import android.content.ClipData;
29 import android.content.ClipboardManager;
30 import android.content.Context;
31 import android.content.Intent;
32 import android.content.IntentFilter;
33 import android.content.SharedPreferences;
34 import android.content.res.Configuration;
35 import android.database.Cursor;
36 import android.graphics.Bitmap;
37 import android.graphics.drawable.BitmapDrawable;
38 import android.graphics.drawable.Drawable;
39 import android.net.Uri;
40 import android.net.http.SslCertificate;
41 import android.net.http.SslError;
42 import android.os.Build;
43 import android.os.Bundle;
44 import android.preference.PreferenceManager;
45 import android.print.PrintDocumentAdapter;
46 import android.print.PrintManager;
47 import android.support.annotation.NonNull;
48 import android.support.design.widget.CoordinatorLayout;
49 import android.support.design.widget.NavigationView;
50 import android.support.design.widget.Snackbar;
51 import android.support.v4.app.ActivityCompat;
52 import android.support.v4.content.ContextCompat;
53 import android.support.v4.view.GravityCompat;
54 import android.support.v4.widget.DrawerLayout;
55 import android.support.v4.widget.SwipeRefreshLayout;
56 import android.support.v7.app.ActionBar;
57 import android.support.v7.app.ActionBarDrawerToggle;
58 import android.support.v7.app.AppCompatActivity;
59 import android.support.v7.app.AppCompatDialogFragment;
60 import android.support.v7.widget.Toolbar;
61 import android.text.Editable;
62 import android.text.TextWatcher;
63 import android.util.Patterns;
64 import android.view.ContextMenu;
65 import android.view.GestureDetector;
66 import android.view.KeyEvent;
67 import android.view.Menu;
68 import android.view.MenuItem;
69 import android.view.MotionEvent;
70 import android.view.View;
71 import android.view.WindowManager;
72 import android.view.inputmethod.InputMethodManager;
73 import android.webkit.CookieManager;
74 import android.webkit.DownloadListener;
75 import android.webkit.SslErrorHandler;
76 import android.webkit.WebBackForwardList;
77 import android.webkit.WebChromeClient;
78 import android.webkit.WebResourceResponse;
79 import android.webkit.WebStorage;
80 import android.webkit.WebView;
81 import android.webkit.WebViewClient;
82 import android.webkit.WebViewDatabase;
83 import android.widget.EditText;
84 import android.widget.FrameLayout;
85 import android.widget.ImageView;
86 import android.widget.LinearLayout;
87 import android.widget.ProgressBar;
88 import android.widget.RelativeLayout;
89 import android.widget.TextView;
91 import com.stoutner.privacybrowser.BannerAd;
92 import com.stoutner.privacybrowser.BuildConfig;
93 import com.stoutner.privacybrowser.R;
94 import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcutDialog;
95 import com.stoutner.privacybrowser.dialogs.DownloadImageDialog;
96 import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog;
97 import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog;
98 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
99 import com.stoutner.privacybrowser.helpers.OrbotProxyHelper;
100 import com.stoutner.privacybrowser.dialogs.DownloadFileDialog;
101 import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog;
103 import java.io.BufferedReader;
104 import java.io.ByteArrayInputStream;
105 import java.io.IOException;
106 import java.io.InputStreamReader;
107 import java.io.UnsupportedEncodingException;
108 import java.net.MalformedURLException;
110 import java.net.URLDecoder;
111 import java.net.URLEncoder;
112 import java.util.HashMap;
113 import java.util.HashSet;
114 import java.util.Map;
115 import java.util.Set;
117 // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
118 public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
119 SslCertificateErrorDialog.SslCertificateErrorListener, DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, UrlHistoryDialog.UrlHistoryListener {
121 // `appBar` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applyAppSettings()`.
122 public static ActionBar appBar;
124 // `favoriteIconBitmap` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `ViewSslCertificateDialog`.
125 // It is also used in `onCreate()`, `onCreateHomeScreenShortcutCreate()`, and `applyDomainSettings`.
126 public static Bitmap favoriteIconBitmap;
128 // `formattedUrlString` is public static so it can be accessed from `BookmarksActivity`, `CreateBookmarkDialog`, and `AddDomainDialog`.
129 // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onCreateHomeScreenShortcutCreate()`, and `loadUrlFromTextBox()`.
130 public static String formattedUrlString;
132 // `sslCertificate` is public static so it can be accessed from `ViewSslCertificateDialog`. It is also used in `onCreate()`.
133 public static SslCertificate sslCertificate;
135 // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`.
136 public static String orbotStatus;
138 // `webViewTitle` is public static so it can be accessed from `CreateBookmarkDialog` and `CreateHomeScreenShortcutDialog`. It is also used in `onCreate()`.
139 public static String webViewTitle;
142 // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
143 private boolean navigatingHistory;
145 // `favoriteIconDefaultBitmap` is used in `onCreate()` and `applyDomainSettings`.
146 private Bitmap favoriteIconDefaultBitmap;
148 // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`.
149 private DrawerLayout drawerLayout;
151 // `rootCoordinatorLayout` is used in `onCreate()` and `applyAppSettings()`.
152 private CoordinatorLayout rootCoordinatorLayout;
154 // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, and `loadUrlFromTextBox()`.
155 private WebView mainWebView;
157 // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
158 private FrameLayout fullScreenVideoFrameLayout;
160 // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
161 private SwipeRefreshLayout swipeRefreshLayout;
163 // `urlAppBarRelativeLayout` is used in `onCreate()` and `applyDomainSettings()`.
164 private RelativeLayout urlAppBarRelativeLayout;
166 // `favoriteIconImageView` is used in `onCreate()` and `applyDomainSettings()`
167 private ImageView favoriteIconImageView;
169 // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `loadUrlFromTextBox()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
170 private CookieManager cookieManager;
172 // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`.
173 private final Map<String, String> customHeaders = new HashMap<>();
175 // `javaScriptEnabled` is also used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `applyAppSettings()`.
176 // It is `Boolean` instead of `boolean` because `applyAppSettings()` needs to know if it is `null`.
177 private Boolean javaScriptEnabled;
179 // `firstPartyCookiesEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applyAppSettings()`.
180 private boolean firstPartyCookiesEnabled;
182 // `thirdPartyCookiesEnabled` used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
183 private boolean thirdPartyCookiesEnabled;
185 // `domStorageEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
186 private boolean domStorageEnabled;
188 // `saveFormDataEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
189 private boolean saveFormDataEnabled;
191 // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applyAppSettings()`.
192 private boolean swipeToRefreshEnabled;
194 // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applyAppSettings()`.
195 private String homepage;
197 // `searchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
198 private String searchURL;
200 // `adBlockerEnabled` is used in `onCreate()` and `applyAppSettings()`.
201 private boolean adBlockerEnabled;
203 // `privacyBrowserRuntime` is used in `onCreate()` and `applyAppSettings()`.
204 Runtime privacyBrowserRuntime;
206 // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
207 private boolean incognitoModeEnabled;
209 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
210 private boolean fullScreenBrowsingModeEnabled;
212 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
213 private boolean inFullScreenBrowsingMode;
215 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
216 private boolean hideSystemBarsOnFullscreen;
218 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
219 private boolean translucentNavigationBarOnFullscreen;
221 // `currentDomainName` is used in `onCreate(), `onNavigationItemSelected()`, and `applyDomainSettings()`.
222 private String currentDomainName;
224 // `waitingForOrbot` is used in `onCreate()` and `applyAppSettings()`.
225 private boolean waitingForOrbot;
227 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
228 private String waitingForOrbotHTMLString;
230 // `privateDataDirectoryString` is used in `onCreate()` and `onNavigationItemSelected()`.
231 private String privateDataDirectoryString;
233 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
234 private LinearLayout findOnPageLinearLayout;
236 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
237 private EditText findOnPageEditText;
239 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
240 private Menu mainMenu;
242 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
243 private ActionBarDrawerToggle drawerToggle;
245 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
246 private Toolbar supportAppBar;
248 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `loadUrl()`.
249 private EditText urlTextBox;
251 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
254 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
255 private SslErrorHandler sslErrorHandler;
257 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
258 private InputMethodManager inputMethodManager;
260 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
261 private RelativeLayout mainWebViewRelativeLayout;
264 // 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.
265 @SuppressLint("SetJavaScriptEnabled")
266 protected void onCreate(Bundle savedInstanceState) {
267 super.onCreate(savedInstanceState);
268 setContentView(R.layout.main_drawerlayout);
270 // Get a handle for `inputMethodManager`.
271 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
273 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
274 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
275 setSupportActionBar(supportAppBar);
276 appBar = getSupportActionBar();
278 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
279 assert appBar != null;
281 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
282 appBar.setCustomView(R.layout.url_app_bar);
283 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
285 // Set the "go" button on the keyboard to load the URL in urlTextBox.
286 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
287 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
289 public boolean onKey(View v, int keyCode, KeyEvent event) {
290 // If the event is a key-down event on the `enter` button, load the URL.
291 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
292 // Load the URL into the mainWebView and consume the event.
294 loadUrlFromTextBox();
295 } catch (UnsupportedEncodingException e) {
298 // If the enter key was pressed, consume the event.
301 // If any other key was pressed, do not consume the event.
307 // Set `waitingForOrbotHTMLString`.
308 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
310 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
311 currentDomainName = "";
312 orbotStatus = "unknown";
313 waitingForOrbot = false;
315 // Create an Orbot status `BroadcastReceiver`.
316 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
318 public void onReceive(Context context, Intent intent) {
319 // Store the content of the status message in `orbotStatus`.
320 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
322 // If we are waiting on Orbot, load the website now that Orbot is connected.
323 if (orbotStatus.equals("ON") && waitingForOrbot) {
324 // Reset `waitingForOrbot`.
325 waitingForOrbot = false;
327 // Load `formattedUrlString
328 loadUrl(formattedUrlString);
333 // Register `orbotStatusBroadcastReceiver` on `this` context.
334 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
336 // Get handles for views that need to be accessed.
337 drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
338 rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
339 mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
340 mainWebView = (WebView) findViewById(R.id.main_webview);
341 findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
342 findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
343 fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
344 urlAppBarRelativeLayout = (RelativeLayout) findViewById(R.id.url_app_bar_relativelayout);
345 favoriteIconImageView = (ImageView) findViewById(R.id.favorite_icon);
347 // Create a double-tap listener to toggle full-screen mode.
348 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
349 // Override `onDoubleTap()`. All other events are handled using the default settings.
351 public boolean onDoubleTap(MotionEvent event) {
352 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
353 // Toggle `inFullScreenBrowsingMode`.
354 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
356 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
357 // Hide the `appBar`.
360 // Hide the `BannerAd` in the free flavor.
361 if (BuildConfig.FLAVOR.contentEquals("free")) {
362 BannerAd.hideAd(adView);
365 // Modify the system bars.
366 if (hideSystemBarsOnFullscreen) { // Hide everything.
367 // Remove the translucent overlays.
368 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
370 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
371 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
373 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
374 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
375 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
377 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
379 // Set `rootCoordinatorLayout` to fill the whole screen.
380 rootCoordinatorLayout.setFitsSystemWindows(false);
381 } else { // Hide everything except the status and navigation bars.
382 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
383 rootCoordinatorLayout.setFitsSystemWindows(false);
385 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.
386 // Set the navigation bar to be translucent.
387 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
390 } else { // Switch to normal viewing mode.
391 // Show the `appBar`.
394 // Show the `BannerAd` in the free flavor.
395 if (BuildConfig.FLAVOR.contentEquals("free")) {
396 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
397 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
399 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
400 adView = findViewById(R.id.adview);
403 // Remove the translucent navigation bar flag if it is set.
404 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
406 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
407 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
409 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
410 rootCoordinatorLayout.setSystemUiVisibility(0);
412 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
413 rootCoordinatorLayout.setFitsSystemWindows(true);
416 // Consume the double-tap.
418 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
424 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
425 mainWebView.setOnTouchListener(new View.OnTouchListener() {
427 public boolean onTouch(View v, MotionEvent event) {
428 // Send the `event` to `gestureDetector`.
429 return gestureDetector.onTouchEvent(event);
433 // Update `findOnPageCountTextView`.
434 mainWebView.setFindListener(new WebView.FindListener() {
435 // Get a handle for `findOnPageCountTextView`.
436 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
439 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
440 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
441 // Set `findOnPageCountTextView` to `0/0`.
442 findOnPageCountTextView.setText(R.string.zero_of_zero);
443 } else if (isDoneCounting) { // There are matches.
444 // `activeMatchOrdinal` is zero-based.
445 int activeMatch = activeMatchOrdinal + 1;
447 // Set `findOnPageCountTextView`.
448 findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
453 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
454 findOnPageEditText.addTextChangedListener(new TextWatcher() {
456 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
461 public void onTextChanged(CharSequence s, int start, int before, int count) {
466 public void afterTextChanged(Editable s) {
467 // Search for the text in `mainWebView`.
468 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
472 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
473 findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
475 public boolean onKey(View v, int keyCode, KeyEvent event) {
476 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
477 // Hide the soft keyboard. `0` indicates no additional flags.
478 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
480 // Consume the event.
482 } else { // A different key was pressed.
483 // Do not consume the event.
489 // Implement swipe to refresh
490 swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refreshlayout);
491 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
492 swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
494 public void onRefresh() {
495 mainWebView.reload();
499 // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
500 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
502 // Listen for touches on the navigation menu.
503 final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
504 navigationView.setNavigationItemSelectedListener(this);
506 // 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.
507 final Menu navigationMenu = navigationView.getMenu();
508 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
509 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
510 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
512 // The `DrawerListener` allows us to update the Navigation Menu.
513 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
515 public void onDrawerSlide(View drawerView, float slideOffset) {
519 public void onDrawerOpened(View drawerView) {
523 public void onDrawerClosed(View drawerView) {
527 public void onDrawerStateChanged(int newState) {
528 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
529 // Update the `Back`, `Forward`, and `History` menu items.
530 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
531 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
532 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
534 // Hide the keyboard so we can see the navigation menu. `0` indicates no additional flags.
535 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
540 // drawerToggle creates the hamburger icon at the start of the AppBar.
541 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
543 // Initialize `adServerSet`.
544 final Set<String> adServersSet = new HashSet<>();
546 // Load the list of ad servers into memory.
548 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
549 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
551 // Create a string for storing each ad server.
554 // Populate `adServersSet`.
555 while ((adServer = bufferedReader.readLine()) != null) {
556 adServersSet.add(adServer);
559 // Close `bufferedReader`.
560 bufferedReader.close();
561 } catch (IOException ioException) {
562 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
565 mainWebView.setWebViewClient(new WebViewClient() {
566 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
567 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
568 @SuppressWarnings("deprecation")
570 public boolean shouldOverrideUrlLoading(WebView view, String url) {
571 if (url.startsWith("mailto:")) { // Load the URL in an external email program because it begins with `mailto:`.
572 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
573 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
575 // Parse the url and set it as the data for the `Intent`.
576 emailIntent.setData(Uri.parse(url));
578 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
579 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
582 startActivity(emailIntent);
584 // Returning `true` indicates the application is handling the URL.
586 } else { // Load the URL in Privacy Browser.
587 // Apply the domain settings for the new URL.
588 applyDomainSettings(url);
590 // Returning `false` causes the current `WebView` to handle the URL and prevents it from adding redirects to the history list.
595 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
596 @SuppressWarnings("deprecation")
598 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
599 if (adBlockerEnabled) { // Block ads.
600 // Extract the host from `url`.
601 Uri requestUri = Uri.parse(url);
602 String requestHost = requestUri.getHost();
604 // Initialize a variable to track if this is an ad server.
605 boolean requestHostIsAdServer = false;
607 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
608 if (requestHost != null) {
609 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
610 if (adServersSet.contains(requestHost)) {
611 requestHostIsAdServer = true;
614 // Strip out the lowest subdomain of `requestHost`.
615 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
619 if (requestHostIsAdServer) { // It is an ad server.
620 // Return an empty `WebResourceResponse`.
621 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
622 } else { // It is not an ad server.
623 // `return null` loads the requested resource.
626 } else { // Ad blocking is disabled.
627 // `return null` loads the requested resource.
632 // Update the URL in urlTextBox when the page starts to load.
634 public void onPageStarted(WebView view, String url, Bitmap favicon) {
635 // Reset `webViewTitle`
636 webViewTitle = getString(R.string.no_title);
638 // Check to see if we are waiting on Orbot.
639 if (!waitingForOrbot) { // We are not waiting on Orbot, so we need to process the URL.
640 // 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.
641 formattedUrlString = url;
643 // Display the loading URL is the URL text box.
644 urlTextBox.setText(url);
646 // Apply any custom domain settings if the URL was loaded by navigating history.
647 if (navigatingHistory) {
648 applyDomainSettings(url);
653 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
655 public void onPageFinished(WebView view, String url) {
656 // Clear the cache and history if Incognito Mode is enabled.
657 if (incognitoModeEnabled) {
658 // Clear the cache. `true` includes disk files.
659 mainWebView.clearCache(true);
661 // Clear the back/forward history.
662 mainWebView.clearHistory();
664 // Manually delete cache folders.
666 // Delete the main `cache` folder.
667 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
669 // 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`.
670 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
671 } catch (IOException e) {
672 // Do nothing if an error is thrown.
676 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
677 if (!waitingForOrbot) {
678 // Check to see if `WebView` has set `url` to be `about:blank`.
679 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
680 // Set `formattedUrlString` to `""`.
681 formattedUrlString = "";
683 // Update `urlTextBox`.
684 urlTextBox.setText(formattedUrlString);
686 // Request focus for `urlTextBox`.
687 urlTextBox.requestFocus();
689 // Display the keyboard.
690 inputMethodManager.showSoftInput(urlTextBox, 0);
692 // Apply the domain settings.
693 applyDomainSettings(formattedUrlString);
694 } else { // `WebView` has loaded a webpage.
695 // Set `formattedUrlString`.
696 formattedUrlString = url;
698 // Only update `urlTextBox` if the user is not typing in it.
699 if (!urlTextBox.hasFocus()) {
700 urlTextBox.setText(formattedUrlString);
704 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
705 sslCertificate = mainWebView.getCertificate();
709 // Handle SSL Certificate errors.
711 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
712 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
713 sslErrorHandler = handler;
715 // Display the SSL error `AlertDialog`.
716 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
717 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
721 // Get a handle for the progress bar.
722 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
724 mainWebView.setWebChromeClient(new WebChromeClient() {
725 // Update the progress bar when a page is loading.
727 public void onProgressChanged(WebView view, int progress) {
728 progressBar.setProgress(progress);
729 if (progress < 100) {
730 progressBar.setVisibility(View.VISIBLE);
732 progressBar.setVisibility(View.GONE);
734 //Stop the `SwipeToRefresh` indicator if it is running
735 swipeRefreshLayout.setRefreshing(false);
739 // Set the favorite icon when it changes.
741 public void onReceivedIcon(WebView view, Bitmap icon) {
742 // Only update the favorite icon if the website has finished loading.
743 if (progressBar.getVisibility() == View.GONE) {
744 // Save a copy of the favorite icon.
745 favoriteIconBitmap = icon;
747 // Place the favorite icon in the appBar.
748 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
752 // Save a copy of the title when it changes.
754 public void onReceivedTitle(WebView view, String title) {
755 // Save a copy of the title.
756 webViewTitle = title;
759 // Enter full screen video
761 public void onShowCustomView(View view, CustomViewCallback callback) {
762 // Pause the ad if this is the free flavor.
763 if (BuildConfig.FLAVOR.contentEquals("free")) {
764 BannerAd.pauseAd(adView);
767 // Remove the translucent overlays.
768 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
770 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
771 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
773 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
774 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
775 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
777 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
779 // Set `rootCoordinatorLayout` to fill the entire screen.
780 rootCoordinatorLayout.setFitsSystemWindows(false);
782 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
783 fullScreenVideoFrameLayout.addView(view);
784 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
787 // Exit full screen video
788 public void onHideCustomView() {
789 // Hide `fullScreenVideoFrameLayout`.
790 fullScreenVideoFrameLayout.removeAllViews();
791 fullScreenVideoFrameLayout.setVisibility(View.GONE);
793 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
794 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
796 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
797 rootCoordinatorLayout.setFitsSystemWindows(true);
799 // Show the ad if this is the free flavor.
800 if (BuildConfig.FLAVOR.contentEquals("free")) {
801 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
802 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
804 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
805 adView = findViewById(R.id.adview);
810 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
811 registerForContextMenu(mainWebView);
813 // Allow the downloading of files.
814 mainWebView.setDownloadListener(new DownloadListener() {
816 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
817 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
818 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
819 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
823 // Allow pinch to zoom.
824 mainWebView.getSettings().setBuiltInZoomControls(true);
826 // Hide zoom controls.
827 mainWebView.getSettings().setDisplayZoomControls(false);
829 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
830 mainWebView.getSettings().setUseWideViewPort(true);
832 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
833 mainWebView.getSettings().setLoadWithOverviewMode(true);
835 // Initialize cookieManager.
836 cookieManager = CookieManager.getInstance();
838 // 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).
839 customHeaders.put("X-Requested-With", "");
841 // 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.
842 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
844 // Get the intent that started the app.
845 final Intent launchingIntent = getIntent();
847 // Extract the launching intent data as `launchingIntentUriData`.
848 final Uri launchingIntentUriData = launchingIntent.getData();
850 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
851 if (launchingIntentUriData != null) {
852 formattedUrlString = launchingIntentUriData.toString();
855 // Get a handle for the `Runtime`.
856 privacyBrowserRuntime = Runtime.getRuntime();
858 // Store the application's private data directory.
859 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`.
861 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
862 inFullScreenBrowsingMode = false;
864 // Initialize AdView for the free flavor.
865 adView = findViewById(R.id.adview);
867 // Initialize the privacy settings variables.
868 javaScriptEnabled = false;
869 firstPartyCookiesEnabled = false;
870 thirdPartyCookiesEnabled = false;
871 domStorageEnabled = false;
872 saveFormDataEnabled = false;
874 // Initialize `webViewTitle`.
875 webViewTitle = getString(R.string.no_title);
877 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
878 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
879 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
880 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
882 // If the favorite icon is null, load the default.
883 if (favoriteIconBitmap == null) {
884 favoriteIconBitmap = favoriteIconDefaultBitmap;
887 // Apply the app settings from the shared preferences.
890 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
891 if (!waitingForOrbot) {
892 loadUrl(formattedUrlString);
898 protected void onNewIntent(Intent intent) {
899 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
902 if (intent.getData() != null) {
903 // Get the intent data and convert it to a string.
904 final Uri intentUriData = intent.getData();
905 formattedUrlString = intentUriData.toString();
908 // Close the navigation drawer if it is open.
909 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
910 drawerLayout.closeDrawer(GravityCompat.START);
914 loadUrl(formattedUrlString);
916 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
917 mainWebView.requestFocus();
921 public boolean onCreateOptionsMenu(Menu menu) {
922 // Inflate the menu; this adds items to the action bar if it is present.
923 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
925 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
928 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
929 updatePrivacyIcons(false);
931 // Get handles for the menu items.
932 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
933 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
934 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
935 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
937 // Only display third-party cookies if SDK >= 21
938 toggleThirdPartyCookies.setVisible(Build.VERSION.SDK_INT >= 21);
940 // Get the shared preference values. `this` references the current context.
941 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
943 // Set the status of the additional app bar icons. The default is `false`.
944 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
945 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
946 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
947 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
948 } else { //Do not display the additional icons.
949 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
950 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
951 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
958 public boolean onPrepareOptionsMenu(Menu menu) {
959 // Get handles for the menu items.
960 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
961 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
962 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
963 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
964 MenuItem clearCookies = menu.findItem(R.id.clearCookies);
965 MenuItem clearFormData = menu.findItem(R.id.clearFormData);
966 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
968 // Set the status of the menu item checkboxes.
969 toggleFirstPartyCookies.setChecked(firstPartyCookiesEnabled);
970 toggleThirdPartyCookies.setChecked(thirdPartyCookiesEnabled);
971 toggleDomStorage.setChecked(domStorageEnabled);
972 toggleSaveFormData.setChecked(saveFormDataEnabled);
974 // Enable third-party cookies if first-party cookies are enabled.
975 toggleThirdPartyCookies.setEnabled(firstPartyCookiesEnabled);
977 // Enable DOM Storage if JavaScript is enabled.
978 toggleDomStorage.setEnabled(javaScriptEnabled);
980 // Enable Clear Cookies if there are any.
981 clearCookies.setEnabled(cookieManager.hasCookies());
983 // Enable Clear Form Data is there is any.
984 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
985 clearFormData.setEnabled(mainWebViewDatabase.hasFormData());
987 // Only show `Refresh` if `swipeToRefresh` is disabled.
988 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
990 // Initialize font size variables.
991 int fontSize = mainWebView.getSettings().getTextZoom();
992 String fontSizeTitle;
993 MenuItem selectedFontSizeMenuItem;
995 // Prepare the font size title and current size menu item.
998 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.twenty_five_percent);
999 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeTwentyFivePercent);
1003 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
1004 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeFiftyPercent);
1008 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1009 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeSeventyFivePercent);
1013 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1014 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
1018 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1019 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredTwentyFivePercent);
1023 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1024 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredFiftyPercent);
1028 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1029 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredSeventyFivePercent);
1033 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1034 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeTwoHundredPercent);
1038 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1039 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
1043 // Set the font size title and select the current size menu item.
1044 MenuItem fontSizeMenuItem = menu.findItem(R.id.fontSize);
1045 fontSizeMenuItem.setTitle(fontSizeTitle);
1046 selectedFontSizeMenuItem.setChecked(true);
1048 // Run all the other default commands.
1049 super.onPrepareOptionsMenu(menu);
1051 // `return true` displays the menu.
1056 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1057 @SuppressLint("SetJavaScriptEnabled")
1058 // removeAllCookies is deprecated, but it is required for API < 21.
1059 @SuppressWarnings("deprecation")
1060 public boolean onOptionsItemSelected(MenuItem menuItem) {
1061 int menuItemId = menuItem.getItemId();
1063 // Set the commands that relate to the menu entries.
1064 switch (menuItemId) {
1065 case R.id.toggleJavaScript:
1066 // Switch the status of javaScriptEnabled.
1067 javaScriptEnabled = !javaScriptEnabled;
1069 // Apply the new JavaScript status.
1070 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1072 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1073 updatePrivacyIcons(true);
1075 // Display a `Snackbar`.
1076 if (javaScriptEnabled) { // JavaScrip is enabled.
1077 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1078 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1079 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1080 } else { // Privacy mode.
1081 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1084 // Reload the WebView.
1085 mainWebView.reload();
1088 case R.id.toggleFirstPartyCookies:
1089 // Switch the status of firstPartyCookiesEnabled.
1090 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1092 // Update the menu checkbox.
1093 menuItem.setChecked(firstPartyCookiesEnabled);
1095 // Apply the new cookie status.
1096 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1098 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1099 updatePrivacyIcons(true);
1101 // Display a `Snackbar`.
1102 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1103 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1104 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1105 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1106 } else { // Privacy mode.
1107 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1110 // Reload the WebView.
1111 mainWebView.reload();
1114 case R.id.toggleThirdPartyCookies:
1115 if (Build.VERSION.SDK_INT >= 21) {
1116 // Switch the status of thirdPartyCookiesEnabled.
1117 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1119 // Update the menu checkbox.
1120 menuItem.setChecked(thirdPartyCookiesEnabled);
1122 // Apply the new cookie status.
1123 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1125 // Display a `Snackbar`.
1126 if (thirdPartyCookiesEnabled) {
1127 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1129 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1132 // Reload the WebView.
1133 mainWebView.reload();
1134 } // Else do nothing because SDK < 21.
1137 case R.id.toggleDomStorage:
1138 // Switch the status of domStorageEnabled.
1139 domStorageEnabled = !domStorageEnabled;
1141 // Update the menu checkbox.
1142 menuItem.setChecked(domStorageEnabled);
1144 // Apply the new DOM Storage status.
1145 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1147 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1148 updatePrivacyIcons(true);
1150 // Display a `Snackbar`.
1151 if (domStorageEnabled) {
1152 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1154 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1157 // Reload the WebView.
1158 mainWebView.reload();
1161 case R.id.toggleSaveFormData:
1162 // Switch the status of saveFormDataEnabled.
1163 saveFormDataEnabled = !saveFormDataEnabled;
1165 // Update the menu checkbox.
1166 menuItem.setChecked(saveFormDataEnabled);
1168 // Apply the new form data status.
1169 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1171 // Display a `Snackbar`.
1172 if (saveFormDataEnabled) {
1173 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1175 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1178 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1179 updatePrivacyIcons(true);
1181 // Reload the WebView.
1182 mainWebView.reload();
1185 case R.id.clearCookies:
1186 if (Build.VERSION.SDK_INT < 21) {
1187 cookieManager.removeAllCookie();
1189 cookieManager.removeAllCookies(null);
1191 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
1194 case R.id.clearDomStorage:
1195 WebStorage webStorage = WebStorage.getInstance();
1196 webStorage.deleteAllData();
1197 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
1200 case R.id.clearFormData:
1201 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1202 mainWebViewDatabase.clearFormData();
1203 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
1206 case R.id.fontSizeTwentyFivePercent:
1207 mainWebView.getSettings().setTextZoom(25);
1210 case R.id.fontSizeFiftyPercent:
1211 mainWebView.getSettings().setTextZoom(50);
1214 case R.id.fontSizeSeventyFivePercent:
1215 mainWebView.getSettings().setTextZoom(75);
1218 case R.id.fontSizeOneHundredPercent:
1219 mainWebView.getSettings().setTextZoom(100);
1222 case R.id.fontSizeOneHundredTwentyFivePercent:
1223 mainWebView.getSettings().setTextZoom(125);
1226 case R.id.fontSizeOneHundredFiftyPercent:
1227 mainWebView.getSettings().setTextZoom(150);
1230 case R.id.fontSizeOneHundredSeventyFivePercent:
1231 mainWebView.getSettings().setTextZoom(175);
1234 case R.id.fontSizeTwoHundredPercent:
1235 mainWebView.getSettings().setTextZoom(200);
1239 // Setup the share string.
1241 if (webViewTitle != null) {
1242 shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1244 shareString = urlTextBox.getText().toString();
1247 // Create the share intent.
1248 Intent shareIntent = new Intent();
1249 shareIntent.setAction(Intent.ACTION_SEND);
1250 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1251 shareIntent.setType("text/plain");
1254 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1257 case R.id.find_on_page:
1258 // Hide the URL app bar.
1259 supportAppBar.setVisibility(View.GONE);
1261 // Show the Find on Page `RelativeLayout`.
1262 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1264 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1265 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1266 findOnPageEditText.postDelayed(new Runnable()
1271 // Set the focus on `findOnPageEditText`.
1272 findOnPageEditText.requestFocus();
1274 // Display the keyboard.
1275 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1281 mainWebView.reload();
1285 // Get a `PrintManager` instance.
1286 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1288 // Convert `mainWebView` to `printDocumentAdapter`.
1289 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1291 // Print the document. The print attributes are `null`.
1292 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1295 case R.id.addToHomescreen:
1296 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1297 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1298 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1300 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1304 // Don't consume the event.
1305 return super.onOptionsItemSelected(menuItem);
1309 // removeAllCookies is deprecated, but it is required for API < 21.
1310 @SuppressWarnings("deprecation")
1312 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1313 int menuItemId = menuItem.getItemId();
1315 switch (menuItemId) {
1321 if (mainWebView.canGoBack()) {
1322 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1323 navigatingHistory = true;
1325 // Load the previous website in the history.
1326 mainWebView.goBack();
1331 if (mainWebView.canGoForward()) {
1332 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1333 navigatingHistory = true;
1335 // Load the next website in the history.
1336 mainWebView.goForward();
1341 // Get the `WebBackForwardList`.
1342 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1344 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1345 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1346 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1349 case R.id.bookmarks:
1350 // Launch BookmarksActivity.
1351 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1352 startActivity(bookmarksIntent);
1355 case R.id.downloads:
1356 // Launch the system Download Manager.
1357 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1359 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1360 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1362 startActivity(downloadManagerIntent);
1366 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1367 currentDomainName = "";
1369 // Launch `SettingsActivity`.
1370 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1371 startActivity(settingsIntent);
1375 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1376 currentDomainName = "";
1378 // Launch `DomainsActivity`.
1379 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1380 startActivity(domainsIntent);
1384 // Launch `GuideActivity`.
1385 Intent guideIntent = new Intent(this, GuideActivity.class);
1386 startActivity(guideIntent);
1390 // Launch `AboutActivity`.
1391 Intent aboutIntent = new Intent(this, AboutActivity.class);
1392 startActivity(aboutIntent);
1395 case R.id.clearAndExit:
1396 // Clear cookies. The commands changed slightly in API 21.
1397 if (Build.VERSION.SDK_INT >= 21) {
1398 cookieManager.removeAllCookies(null);
1400 cookieManager.removeAllCookie();
1403 // Clear DOM storage.
1404 WebStorage domStorage = WebStorage.getInstance();
1405 domStorage.deleteAllData();
1408 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1409 webViewDatabase.clearFormData();
1411 // Clear the cache. `true` includes disk files.
1412 mainWebView.clearCache(true);
1414 // Clear the back/forward history.
1415 mainWebView.clearHistory();
1417 // Clear any SSL certificate preferences.
1418 mainWebView.clearSslPreferences();
1420 // Clear `formattedUrlString`.
1421 formattedUrlString = null;
1423 // Clear `customHeaders`.
1424 customHeaders.clear();
1426 // Detach all views from `mainWebViewRelativeLayout`.
1427 mainWebViewRelativeLayout.removeAllViews();
1429 // Destroy the internal state of `mainWebView`.
1430 mainWebView.destroy();
1432 // Manually delete cache folders.
1434 // Delete the main `cache` folder.
1435 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1437 // 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`.
1438 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
1439 } catch (IOException e) {
1440 // Do nothing if an error is thrown.
1443 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1444 if (Build.VERSION.SDK_INT >= 21) {
1445 finishAndRemoveTask();
1450 // Remove the terminated program from RAM. The status code is `0`.
1458 // Close the navigation drawer.
1459 drawerLayout.closeDrawer(GravityCompat.START);
1464 public void onPostCreate(Bundle savedInstanceState) {
1465 super.onPostCreate(savedInstanceState);
1467 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1468 drawerToggle.syncState();
1472 public void onConfigurationChanged(Configuration newConfig) {
1473 super.onConfigurationChanged(newConfig);
1475 // Reload the ad for the free flavor if we are not in full screen mode.
1476 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1478 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1480 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1481 adView = findViewById(R.id.adview);
1484 // `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
1485 // ActivityCompat.invalidateOptionsMenu(this);
1489 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1490 // Store the `HitTestResult`.
1491 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1494 final String imageUrl;
1495 final String linkUrl;
1497 // Get a handle for the `ClipboardManager`.
1498 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1500 switch (hitTestResult.getType()) {
1501 // `SRC_ANCHOR_TYPE` is a link.
1502 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1503 // Get the target URL.
1504 linkUrl = hitTestResult.getExtra();
1506 // Set the target URL as the title of the `ContextMenu`.
1507 menu.setHeaderTitle(linkUrl);
1509 // Add a `Load URL` entry.
1510 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1512 public boolean onMenuItemClick(MenuItem item) {
1518 // Add a `Copy URL` entry.
1519 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1521 public boolean onMenuItemClick(MenuItem item) {
1522 // Save the link URL in a `ClipData`.
1523 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1525 // Set the `ClipData` as the clipboard's primary clip.
1526 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1531 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1532 menu.add(R.string.cancel);
1535 case WebView.HitTestResult.EMAIL_TYPE:
1536 // Get the target URL.
1537 linkUrl = hitTestResult.getExtra();
1539 // Set the target URL as the title of the `ContextMenu`.
1540 menu.setHeaderTitle(linkUrl);
1542 // Add a `Write Email` entry.
1543 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1545 public boolean onMenuItemClick(MenuItem item) {
1546 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1547 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1549 // Parse the url and set it as the data for the `Intent`.
1550 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1552 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1553 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1556 startActivity(emailIntent);
1561 // Add a `Copy Email Address` entry.
1562 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1564 public boolean onMenuItemClick(MenuItem item) {
1565 // Save the email address in a `ClipData`.
1566 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1568 // Set the `ClipData` as the clipboard's primary clip.
1569 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1574 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1575 menu.add(R.string.cancel);
1578 // `IMAGE_TYPE` is an image.
1579 case WebView.HitTestResult.IMAGE_TYPE:
1580 // Get the image URL.
1581 imageUrl = hitTestResult.getExtra();
1583 // Set the image URL as the title of the `ContextMenu`.
1584 menu.setHeaderTitle(imageUrl);
1586 // Add a `View Image` entry.
1587 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1589 public boolean onMenuItemClick(MenuItem item) {
1595 // Add a `Download Image` entry.
1596 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1598 public boolean onMenuItemClick(MenuItem item) {
1599 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1600 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1601 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1606 // Add a `Copy URL` entry.
1607 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1609 public boolean onMenuItemClick(MenuItem item) {
1610 // Save the image URL in a `ClipData`.
1611 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1613 // Set the `ClipData` as the clipboard's primary clip.
1614 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1619 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1620 menu.add(R.string.cancel);
1624 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1625 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1626 // Get the image URL.
1627 imageUrl = hitTestResult.getExtra();
1629 // Set the image URL as the title of the `ContextMenu`.
1630 menu.setHeaderTitle(imageUrl);
1632 // Add a `View Image` entry.
1633 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1635 public boolean onMenuItemClick(MenuItem item) {
1641 // Add a `Download Image` entry.
1642 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1644 public boolean onMenuItemClick(MenuItem item) {
1645 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1646 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1647 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1652 // Add a `Copy URL` entry.
1653 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1655 public boolean onMenuItemClick(MenuItem item) {
1656 // Save the image URL in a `ClipData`.
1657 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1659 // Set the `ClipData` as the clipboard's primary clip.
1660 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1665 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1666 menu.add(R.string.cancel);
1672 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1673 // Get shortcutNameEditText from the alert dialog.
1674 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1676 // Create the bookmark shortcut based on formattedUrlString.
1677 Intent bookmarkShortcut = new Intent();
1678 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1679 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1681 // Place the bookmark shortcut on the home screen.
1682 Intent placeBookmarkShortcut = new Intent();
1683 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1684 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1685 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1686 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1687 sendBroadcast(placeBookmarkShortcut);
1691 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1692 // Download the image if it has an HTTP or HTTPS URI.
1693 if (imageUrl.startsWith("http")) {
1694 // Get a handle for the system `DOWNLOAD_SERVICE`.
1695 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1697 // Parse `imageUrl`.
1698 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1700 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1701 if (firstPartyCookiesEnabled) {
1702 // Get the cookies for `imageUrl`.
1703 String cookies = cookieManager.getCookie(imageUrl);
1705 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1706 downloadRequest.addRequestHeader("Cookie", cookies);
1709 // Get the file name from `dialogFragment`.
1710 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1711 String imageName = downloadImageNameEditText.getText().toString();
1713 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1714 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1715 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1716 } else { // Only set the title using `imageName`.
1717 downloadRequest.setTitle(imageName);
1720 // Allow `MediaScanner` to index the download if it is a media file.
1721 downloadRequest.allowScanningByMediaScanner();
1723 // Add the URL as the description for the download.
1724 downloadRequest.setDescription(imageUrl);
1726 // Show the download notification after the download is completed.
1727 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1729 // Initiate the download.
1730 downloadManager.enqueue(downloadRequest);
1731 } else { // The image is not an HTTP or HTTPS URI.
1732 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
1737 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
1738 // Download the file if it has an HTTP or HTTPS URI.
1739 if (downloadUrl.startsWith("http")) {
1741 // Get a handle for the system `DOWNLOAD_SERVICE`.
1742 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1744 // Parse `downloadUrl`.
1745 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
1747 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
1748 if (firstPartyCookiesEnabled) {
1749 // Get the cookies for `downloadUrl`.
1750 String cookies = cookieManager.getCookie(downloadUrl);
1752 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1753 downloadRequest.addRequestHeader("Cookie", cookies);
1756 // Get the file name from `dialogFragment`.
1757 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
1758 String fileName = downloadFileNameEditText.getText().toString();
1760 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1761 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
1762 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
1763 } else { // Only set the title using `fileName`.
1764 downloadRequest.setTitle(fileName);
1767 // Allow `MediaScanner` to index the download if it is a media file.
1768 downloadRequest.allowScanningByMediaScanner();
1770 // Add the URL as the description for the download.
1771 downloadRequest.setDescription(downloadUrl);
1773 // Show the download notification after the download is completed.
1774 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1776 // Initiate the download.
1777 downloadManager.enqueue(downloadRequest);
1778 } else { // The download is not an HTTP or HTTPS URI.
1779 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
1783 public void viewSslCertificate(View view) {
1784 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
1785 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
1786 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
1790 public void onSslErrorCancel() {
1791 sslErrorHandler.cancel();
1795 public void onSslErrorProceed() {
1796 sslErrorHandler.proceed();
1800 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
1801 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1802 navigatingHistory = true;
1804 // Load the history entry.
1805 mainWebView.goBackOrForward(moveBackOrForwardSteps);
1809 public void onClearHistory() {
1810 // Clear the history.
1811 mainWebView.clearHistory();
1814 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
1816 public void onBackPressed() {
1817 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
1818 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1819 drawerLayout.closeDrawer(GravityCompat.START);
1821 // Load the previous URL if available.
1822 if (mainWebView.canGoBack()) {
1823 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1824 navigatingHistory = true;
1827 mainWebView.goBack();
1829 // Pass `onBackPressed()` to the system.
1830 super.onBackPressed();
1836 public void onPause() {
1837 // Pause `mainWebView`.
1838 mainWebView.onPause();
1840 // Stop all JavaScript.
1841 mainWebView.pauseTimers();
1843 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1844 if (BuildConfig.FLAVOR.contentEquals("free")) {
1845 BannerAd.pauseAd(adView);
1852 public void onResume() { // `onResume()` also runs every time the app starts after `onCreate()` and `onStart()`.
1855 // Resume JavaScript (if enabled).
1856 mainWebView.resumeTimers();
1858 // Resume `mainWebView`.
1859 mainWebView.onResume();
1861 // Resume the adView for the free flavor.
1862 if (BuildConfig.FLAVOR.contentEquals("free")) {
1863 BannerAd.resumeAd(adView);
1868 public void onRestart() {
1871 // Apply the settings from shared preferences, which might have been changed in `SettingsActivity`.
1874 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1875 updatePrivacyIcons(true);
1879 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
1880 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
1881 String unformattedUrlString = urlTextBox.getText().toString().trim();
1883 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
1884 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
1885 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
1886 if (!unformattedUrlString.startsWith("http")) {
1887 unformattedUrlString = "http://" + unformattedUrlString;
1890 // Initialize `unformattedUrl`.
1891 URL unformattedUrl = null;
1893 // 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.
1895 unformattedUrl = new URL(unformattedUrlString);
1896 } catch (MalformedURLException e) {
1897 e.printStackTrace();
1900 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
1901 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
1902 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
1903 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
1904 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
1905 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
1908 Uri.Builder formattedUri = new Uri.Builder();
1909 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
1911 // Decode `formattedUri` as a `String` in `UTF-8`.
1912 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
1914 // Sanitize the search input and convert it to a search.
1915 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
1917 // Add the base search URL.
1918 formattedUrlString = searchURL + encodedUrlString;
1921 loadUrl(formattedUrlString);
1923 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1924 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1928 private void loadUrl(String url) {
1929 // Apply any custom domain settings.
1930 applyDomainSettings(url);
1933 mainWebView.loadUrl(url, customHeaders);
1936 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
1937 @SuppressWarnings("deprecation")
1938 private void applyDomainSettings(String url) {
1939 // Reset `navigatingHistory`.
1940 navigatingHistory = false;
1942 // Parse the URL into a URI.
1943 Uri uri = Uri.parse(url);
1945 // Extract the domain from `uri`.
1946 String hostName = uri.getHost();
1948 // Initialize `loadingNewDomainName`.
1949 boolean loadingNewDomainName;
1951 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
1952 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
1953 //noinspection SimplifiableIfStatement
1954 if ((hostName == null) || (currentDomainName == null)) {
1955 loadingNewDomainName = true;
1956 } else { // Determine if `hostName` equals `currentDomainName`.
1957 loadingNewDomainName = !hostName.equals(currentDomainName);
1960 // 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.
1961 if (loadingNewDomainName) {
1962 // Set the new `hostname` as the `currentDomainName`.
1963 currentDomainName = hostName;
1965 // Reset `favoriteIconBitmap` and display it in the `appbar`.
1966 favoriteIconBitmap = favoriteIconDefaultBitmap;
1967 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
1969 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
1970 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
1971 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
1973 // Get a full cursor from `domainsDatabaseHelper`.
1974 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
1976 // Initialize `domainSettingsSet`.
1977 Set<String> domainSettingsSet = new HashSet<>();
1979 // Get the domain name column index.
1980 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
1982 // Populate `domainSettingsSet`.
1983 for (int i = 0; i < domainNameCursor.getCount(); i++) {
1984 // Move `domainsCursor` to the current row.
1985 domainNameCursor.moveToPosition(i);
1987 // Store the domain name in `domainSettingsSet`.
1988 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
1991 // Close `domainNameCursor.
1992 domainNameCursor.close();
1994 // Initialize variables to track if this domain has stored domain settings, and if so, under which name.
1995 boolean hostHasDomainSettings = false;
1996 String domainNameInDatabase = null;
1998 // Check the hostname.
1999 if (domainSettingsSet.contains(hostName)) {
2000 hostHasDomainSettings = true;
2001 domainNameInDatabase = hostName;
2004 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
2005 if (hostName != null) {
2006 while (hostName.contains(".") && !hostHasDomainSettings) { // Stop checking if we run out of `.` or if we already know that `hostHasDomainSettings` is `true`.
2007 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
2008 hostHasDomainSettings = true;
2009 domainNameInDatabase = "*." + hostName;
2012 // Strip out the lowest subdomain of `host`.
2013 hostName = hostName.substring(hostName.indexOf(".") + 1);
2017 if (hostHasDomainSettings) { // The url we are loading has custom domain settings.
2018 // Get a cursor for the current host and move it to the first position.
2019 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2020 currentHostDomainSettingsCursor.moveToFirst();
2022 // Get the settings from the cursor.
2023 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2024 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2025 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2026 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2027 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2028 String userAgentString = (currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
2029 int fontSize = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
2031 // Close `currentHostDomainSettingsCursor`.
2032 currentHostDomainSettingsCursor.close();
2034 // Apply the domain settings.
2035 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2036 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2037 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2038 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2039 mainWebView.getSettings().setTextZoom(fontSize);
2041 // Set third-party cookies status if API >= 21.
2042 if (Build.VERSION.SDK_INT >= 21) {
2043 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2046 // Set the user agent.
2047 if (userAgentString.equals("WebView default user agent")) {
2048 // Set the user agent to `""`, which uses the default value.
2049 mainWebView.getSettings().setUserAgentString("");
2051 // Use the selected user agent.
2052 mainWebView.getSettings().setUserAgentString(userAgentString);
2055 // 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.
2056 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
2057 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2058 // Get the shared preference values. `this` references the current context.
2059 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2061 // Store the values from `sharedPreferences` in variables.
2062 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2063 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2064 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2065 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2066 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2067 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2068 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2069 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2071 // Apply the default settings.
2072 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2073 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2074 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2075 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2076 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2078 // Set third-party cookies status if API >= 21.
2079 if (Build.VERSION.SDK_INT >= 21) {
2080 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2083 // Set the default user agent.
2084 switch (userAgentString) {
2085 case "WebView default user agent":
2086 // Set the user agent to `""`, which uses the default value.
2087 mainWebView.getSettings().setUserAgentString("");
2090 case "Custom user agent":
2091 // Set the custom user agent.
2092 mainWebView.getSettings().setUserAgentString(customUserAgentString);
2096 // Use the selected user agent.
2097 mainWebView.getSettings().setUserAgentString(userAgentString);
2101 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2102 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
2105 // Close `domainsDatabaseHelper`.
2106 domainsDatabaseHelper.close();
2108 // Update the privacy icons, but only if `mainMenu` has already been populated.
2109 if (mainMenu != null) {
2110 updatePrivacyIcons(true);
2115 public void findPreviousOnPage(View view) {
2116 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2117 mainWebView.findNext(false);
2120 public void findNextOnPage(View view) {
2121 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2122 mainWebView.findNext(true);
2125 public void closeFindOnPage(View view) {
2126 // Delete the contents of `find_on_page_edittext`.
2127 findOnPageEditText.setText(null);
2129 // Clear the highlighted phrases.
2130 mainWebView.clearMatches();
2132 // Hide the Find on Page `RelativeLayout`.
2133 findOnPageLinearLayout.setVisibility(View.GONE);
2135 // Show the URL app bar.
2136 supportAppBar.setVisibility(View.VISIBLE);
2138 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2139 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2142 private void applyAppSettings() {
2143 // Get the shared preference values. `this` references the current context.
2144 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2146 // Store the values from `sharedPreferences` in variables.
2147 String homepageString = sharedPreferences.getString("homepage", "https://duckduckgo.com");
2148 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2149 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2150 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2151 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2152 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2153 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2154 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2155 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2156 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2157 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2158 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2159 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2160 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2162 // Set the homepage, search, and proxy options.
2163 if (proxyThroughOrbot) { // Set the Tor options.
2164 // Set `torHomepageString` as `homepage`.
2165 homepage = torHomepageString;
2167 // If formattedUrlString is null assign the homepage to it.
2168 if (formattedUrlString == null) {
2169 formattedUrlString = homepage;
2172 // Set the search URL.
2173 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2174 searchURL = torSearchCustomURLString;
2175 } else { // Use the string from the pre-built list.
2176 searchURL = torSearchString;
2179 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2180 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2182 // Display a message to the user if we are waiting on Orbot.
2183 if (!orbotStatus.equals("ON")) {
2184 // Set `waitingForOrbot`.
2185 waitingForOrbot = true;
2187 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2188 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2190 } else { // Set the non-Tor options.
2191 // Set `homepageString` as `homepage`.
2192 homepage = homepageString;
2194 // If formattedUrlString is null assign the homepage to it.
2195 if (formattedUrlString == null) {
2196 formattedUrlString = homepage;
2199 // Set the search URL.
2200 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2201 searchURL = searchCustomURLString;
2202 } else { // Use the string from the pre-built list.
2203 searchURL = searchString;
2206 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2207 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2209 // Reset `waitingForOrbot.
2210 waitingForOrbot = false;
2213 // Set swipe to refresh.
2214 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2216 // Set Do Not Track status.
2217 if (doNotTrackEnabled) {
2218 customHeaders.put("DNT", "1");
2220 customHeaders.remove("DNT");
2223 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2224 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2225 if (hideSystemBarsOnFullscreen) { // Hide everything.
2226 // Remove the translucent navigation setting if it is currently flagged.
2227 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2229 // Remove the translucent status bar overlay.
2230 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2232 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2233 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2235 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2236 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2237 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2239 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2240 } else { // Hide everything except the status and navigation bars.
2241 // Add the translucent status flag if it is unset.
2242 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2244 if (translucentNavigationBarOnFullscreen) {
2245 // Set the navigation bar to be translucent.
2246 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2248 // Set the navigation bar to be black.
2249 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2252 } else { // Switch to normal viewing mode.
2253 // Reset `inFullScreenBrowsingMode` to `false`.
2254 inFullScreenBrowsingMode = false;
2256 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2257 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2261 // Show the `BannerAd` in the free flavor.
2262 if (BuildConfig.FLAVOR.contentEquals("free")) {
2263 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2264 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2266 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2267 adView = findViewById(R.id.adview);
2270 // Remove the translucent navigation bar flag if it is set.
2271 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2273 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2274 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2276 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2277 rootCoordinatorLayout.setSystemUiVisibility(0);
2279 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2280 rootCoordinatorLayout.setFitsSystemWindows(true);
2284 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2285 // Get handles for the icons.
2286 MenuItem privacyIcon = mainMenu.findItem(R.id.toggleJavaScript);
2287 MenuItem firstPartyCookiesIcon = mainMenu.findItem(R.id.toggleFirstPartyCookies);
2288 MenuItem domStorageIcon = mainMenu.findItem(R.id.toggleDomStorage);
2289 MenuItem formDataIcon = mainMenu.findItem(R.id.toggleSaveFormData);
2291 // Update `privacyIcon`.
2292 if (javaScriptEnabled) { // JavaScript is enabled.
2293 privacyIcon.setIcon(R.drawable.javascript_enabled);
2294 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2295 privacyIcon.setIcon(R.drawable.warning);
2296 } else { // All the dangerous features are disabled.
2297 privacyIcon.setIcon(R.drawable.privacy_mode);
2300 // Update `firstPartyCookiesIcon`.
2301 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2302 firstPartyCookiesIcon.setIcon(R.drawable.cookies_enabled);
2303 } else { // First-party cookies are disabled.
2304 firstPartyCookiesIcon.setIcon(R.drawable.cookies_disabled);
2307 // Update `domStorageIcon`.
2308 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2309 domStorageIcon.setIcon(R.drawable.dom_storage_enabled);
2310 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2311 domStorageIcon.setIcon(R.drawable.dom_storage_disabled);
2312 } else { // JavaScript is disabled, so DOM storage is ghosted.
2313 domStorageIcon.setIcon(R.drawable.dom_storage_ghosted);
2316 // Update `formDataIcon`.
2317 if (saveFormDataEnabled) { // Form data is enabled.
2318 formDataIcon.setIcon(R.drawable.form_data_enabled);
2319 } else { // Form data is disabled.
2320 formDataIcon.setIcon(R.drawable.form_data_disabled);
2323 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2324 if (runInvalidateOptionsMenu) {
2325 ActivityCompat.invalidateOptionsMenu(this);