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 // `javaScriptDisabledSearchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
198 private String javaScriptDisabledSearchURL;
200 // `javaScriptEnabledSearchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
201 private String javaScriptEnabledSearchURL;
203 // `adBlockerEnabled` is used in `onCreate()` and `applyAppSettings()`.
204 private boolean adBlockerEnabled;
206 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
207 private boolean fullScreenBrowsingModeEnabled;
209 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
210 private boolean inFullScreenBrowsingMode;
212 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
213 private boolean hideSystemBarsOnFullscreen;
215 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
216 private boolean translucentNavigationBarOnFullscreen;
218 // `proxyThroughOrbot` is used in `onCreate()` and `applyAppSettings()`.
219 private boolean proxyThroughOrbot;
221 // `currentDomainName` is used in `onCreate(), `onNavigationItemSelected()`, and `applyDomainSettings()`.
222 private String currentDomainName;
224 // `pendingUrl` is used in `onCreate()` and `applyAppSettings()`.
225 private static String pendingUrl;
227 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
228 private String waitingForOrbotHTMLString;
230 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
231 private LinearLayout findOnPageLinearLayout;
233 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
234 private EditText findOnPageEditText;
236 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
237 private Menu mainMenu;
239 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
240 private ActionBarDrawerToggle drawerToggle;
242 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
243 private Toolbar supportAppBar;
245 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `loadUrl()`.
246 private EditText urlTextBox;
248 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
251 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
252 private SslErrorHandler sslErrorHandler;
254 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
255 private InputMethodManager inputMethodManager;
257 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
258 private RelativeLayout mainWebViewRelativeLayout;
261 // 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.
262 @SuppressLint("SetJavaScriptEnabled")
263 protected void onCreate(Bundle savedInstanceState) {
264 super.onCreate(savedInstanceState);
265 setContentView(R.layout.main_drawerlayout);
267 // Get a handle for `inputMethodManager`.
268 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
270 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
271 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
272 setSupportActionBar(supportAppBar);
273 appBar = getSupportActionBar();
275 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
276 assert appBar != null;
278 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
279 appBar.setCustomView(R.layout.url_app_bar);
280 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
282 // Set the "go" button on the keyboard to load the URL in urlTextBox.
283 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
284 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
286 public boolean onKey(View v, int keyCode, KeyEvent event) {
287 // If the event is a key-down event on the `enter` button, load the URL.
288 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
289 // Load the URL into the mainWebView and consume the event.
291 loadUrlFromTextBox();
292 } catch (UnsupportedEncodingException e) {
295 // If the enter key was pressed, consume the event.
298 // If any other key was pressed, do not consume the event.
304 // Set `waitingForOrbotHTMLString`.
305 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
307 // Initialize `currentDomainName`, `pendingUrl`, and `orbotStatus`.
308 currentDomainName = "";
310 orbotStatus = "unknown";
312 // Create an Orbot status `BroadcastReceiver`.
313 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
315 public void onReceive(Context context, Intent intent) {
316 // Store the content of the status message in `orbotStatus`.
317 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
319 // If we are waiting on `pendingUrl`, load it now that Orbot is connected.
320 if (orbotStatus.equals("ON") && !pendingUrl.isEmpty()) {
322 // Wait 500 milliseconds, because Orbot isn't really ready yet.
325 } catch (InterruptedException exception) {
329 // Copy `pendingUrl` to `formattedUrlString` and reset `pendingUrl` to be empty.
330 formattedUrlString = pendingUrl;
333 // Load `formattedUrlString
334 loadUrl(formattedUrlString);
339 // Register `orbotStatusBroadcastReceiver` on `this` context.
340 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
342 // Get handles for views that need to be accessed.
343 drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
344 rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
345 mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
346 mainWebView = (WebView) findViewById(R.id.main_webview);
347 findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
348 findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
349 fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
350 urlAppBarRelativeLayout = (RelativeLayout) findViewById(R.id.url_app_bar_relativelayout);
351 favoriteIconImageView = (ImageView) findViewById(R.id.favorite_icon);
353 // Create a double-tap listener to toggle full-screen mode.
354 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
355 // Override `onDoubleTap()`. All other events are handled using the default settings.
357 public boolean onDoubleTap(MotionEvent event) {
358 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
359 // Toggle `inFullScreenBrowsingMode`.
360 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
362 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
363 // Hide the `appBar`.
366 // Hide the `BannerAd` in the free flavor.
367 if (BuildConfig.FLAVOR.contentEquals("free")) {
368 BannerAd.hideAd(adView);
371 // Modify the system bars.
372 if (hideSystemBarsOnFullscreen) { // Hide everything.
373 // Remove the translucent overlays.
374 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
376 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
377 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
379 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
380 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
381 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
383 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
385 // Set `rootCoordinatorLayout` to fill the whole screen.
386 rootCoordinatorLayout.setFitsSystemWindows(false);
387 } else { // Hide everything except the status and navigation bars.
388 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
389 rootCoordinatorLayout.setFitsSystemWindows(false);
391 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.
392 // Set the navigation bar to be translucent.
393 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
396 } else { // Switch to normal viewing mode.
397 // Show the `appBar`.
400 // Show the `BannerAd` in the free flavor.
401 if (BuildConfig.FLAVOR.contentEquals("free")) {
402 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
403 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
405 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
406 adView = findViewById(R.id.adview);
409 // Remove the translucent navigation bar flag if it is set.
410 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
412 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
413 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
415 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
416 rootCoordinatorLayout.setSystemUiVisibility(0);
418 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
419 rootCoordinatorLayout.setFitsSystemWindows(true);
422 // Consume the double-tap.
424 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
430 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
431 mainWebView.setOnTouchListener(new View.OnTouchListener() {
433 public boolean onTouch(View v, MotionEvent event) {
434 // Send the `event` to `gestureDetector`.
435 return gestureDetector.onTouchEvent(event);
439 // Update `findOnPageCountTextView`.
440 mainWebView.setFindListener(new WebView.FindListener() {
441 // Get a handle for `findOnPageCountTextView`.
442 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
445 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
446 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
447 // Set `findOnPageCountTextView` to `0/0`.
448 findOnPageCountTextView.setText(R.string.zero_of_zero);
449 } else if (isDoneCounting) { // There are matches.
450 // `activeMatchOrdinal` is zero-based.
451 int activeMatch = activeMatchOrdinal + 1;
453 // Set `findOnPageCountTextView`.
454 findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
459 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
460 findOnPageEditText.addTextChangedListener(new TextWatcher() {
462 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
467 public void onTextChanged(CharSequence s, int start, int before, int count) {
472 public void afterTextChanged(Editable s) {
473 // Search for the text in `mainWebView`.
474 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
478 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
479 findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
481 public boolean onKey(View v, int keyCode, KeyEvent event) {
482 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
483 // Hide the soft keyboard. `0` indicates no additional flags.
484 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
486 // Consume the event.
488 } else { // A different key was pressed.
489 // Do not consume the event.
495 // Implement swipe to refresh
496 swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refreshlayout);
497 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
498 swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
500 public void onRefresh() {
501 mainWebView.reload();
505 // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
506 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
508 // Listen for touches on the navigation menu.
509 final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
510 navigationView.setNavigationItemSelectedListener(this);
512 // 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.
513 final Menu navigationMenu = navigationView.getMenu();
514 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
515 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
516 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
518 // The `DrawerListener` allows us to update the Navigation Menu.
519 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
521 public void onDrawerSlide(View drawerView, float slideOffset) {
525 public void onDrawerOpened(View drawerView) {
529 public void onDrawerClosed(View drawerView) {
533 public void onDrawerStateChanged(int newState) {
534 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
535 // Update the `Back`, `Forward`, and `History` menu items.
536 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
537 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
538 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
540 // Hide the keyboard so we can see the navigation menu. `0` indicates no additional flags.
541 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
546 // drawerToggle creates the hamburger icon at the start of the AppBar.
547 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
549 // Initialize `adServerSet`.
550 final Set<String> adServersSet = new HashSet<>();
552 // Load the list of ad servers into memory.
554 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
555 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
557 // Create a string for storing each ad server.
560 // Populate `adServersSet`.
561 while ((adServer = bufferedReader.readLine()) != null) {
562 adServersSet.add(adServer);
565 // Close `bufferedReader`.
566 bufferedReader.close();
567 } catch (IOException ioException) {
568 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
571 mainWebView.setWebViewClient(new WebViewClient() {
572 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
573 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
574 @SuppressWarnings("deprecation")
576 public boolean shouldOverrideUrlLoading(WebView view, String url) {
577 // Use an external email program if the link begins with `mailto:`.
578 if (url.startsWith("mailto:")) {
579 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
580 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
582 // Parse the url and set it as the data for the `Intent`.
583 emailIntent.setData(Uri.parse(url));
585 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
586 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
589 startActivity(emailIntent);
591 } else { // Load the URL in Privacy Browser.
597 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
598 @SuppressWarnings("deprecation")
600 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
601 if (adBlockerEnabled) { // Block ads.
602 // Extract the host from `url`.
603 Uri requestUri = Uri.parse(url);
604 String requestHost = requestUri.getHost();
606 // Initialize a variable to track if this is an ad server.
607 boolean requestHostIsAdServer = false;
609 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
610 if (requestHost != null) {
611 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
612 if (adServersSet.contains(requestHost)) {
613 requestHostIsAdServer = true;
616 // Strip out the lowest subdomain of `requestHost`.
617 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
621 if (requestHostIsAdServer) { // It is an ad server.
622 // Return an empty `WebResourceResponse`.
623 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
624 } else { // It is not an ad server.
625 // `return null` loads the requested resource.
628 } else { // Ad blocking is disabled.
629 // `return null` loads the requested resource.
634 // Update the URL in urlTextBox when the page starts to load.
636 public void onPageStarted(WebView view, String url, Bitmap favicon) {
637 // Reset `webViewTitle`
638 webViewTitle = getString(R.string.no_title);
640 // Check to see if we are waiting on Orbot.
641 if (pendingUrl.isEmpty()) { // We are not waiting on Orbot, so we need to process the URL.
642 // 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.
643 formattedUrlString = url;
645 // Display the loading URL is the URL text box.
646 urlTextBox.setText(url);
648 // Apply any custom domain settings if the URL was loaded by navigating history.
649 if (navigatingHistory) {
650 applyDomainSettings(url);
655 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
657 public void onPageFinished(WebView view, String url) {
658 // Check to see if we are waiting on Orbot.
659 if (pendingUrl.isEmpty()) { // we are not waiting on Orbot, so we need to process the URL.
660 // Check to see if `WebView` has set `url` to be `about:blank`.
661 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
662 // Set `formattedUrlString` to `""`.
663 formattedUrlString = "";
665 // Update `urlTextBox`.
666 urlTextBox.setText(formattedUrlString);
668 // Request focus for `urlTextBox`.
669 urlTextBox.requestFocus();
671 // Display the keyboard.
672 inputMethodManager.showSoftInput(urlTextBox, 0);
674 // Apply the domain settings.
675 applyDomainSettings(formattedUrlString);
676 } else { // `WebView` has loaded a webpage.
677 // Set `formattedUrlString`.
678 formattedUrlString = url;
680 // Only update `urlTextBox` if the user is not typing in it.
681 if (!urlTextBox.hasFocus()) {
682 urlTextBox.setText(formattedUrlString);
686 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
687 sslCertificate = mainWebView.getCertificate();
691 // Handle SSL Certificate errors.
693 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
694 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
695 sslErrorHandler = handler;
697 // Display the SSL error `AlertDialog`.
698 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
699 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
703 // Get a handle for the progress bar.
704 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
706 mainWebView.setWebChromeClient(new WebChromeClient() {
707 // Update the progress bar when a page is loading.
709 public void onProgressChanged(WebView view, int progress) {
710 progressBar.setProgress(progress);
711 if (progress < 100) {
712 progressBar.setVisibility(View.VISIBLE);
714 progressBar.setVisibility(View.GONE);
716 //Stop the `SwipeToRefresh` indicator if it is running
717 swipeRefreshLayout.setRefreshing(false);
721 // Set the favorite icon when it changes.
723 public void onReceivedIcon(WebView view, Bitmap icon) {
724 // Only update the favorite icon if the website has finished loading.
725 if (progressBar.getVisibility() == View.GONE) {
726 // Save a copy of the favorite icon.
727 favoriteIconBitmap = icon;
729 // Place the favorite icon in the appBar.
730 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
734 // Save a copy of the title when it changes.
736 public void onReceivedTitle(WebView view, String title) {
737 // Save a copy of the title.
738 webViewTitle = title;
741 // Enter full screen video
743 public void onShowCustomView(View view, CustomViewCallback callback) {
744 // Pause the ad if this is the free flavor.
745 if (BuildConfig.FLAVOR.contentEquals("free")) {
746 BannerAd.pauseAd(adView);
749 // Remove the translucent overlays.
750 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
752 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
753 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
755 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
756 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
757 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
759 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
761 // Set `rootCoordinatorLayout` to fill the entire screen.
762 rootCoordinatorLayout.setFitsSystemWindows(false);
764 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
765 fullScreenVideoFrameLayout.addView(view);
766 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
769 // Exit full screen video
770 public void onHideCustomView() {
771 // Hide `fullScreenVideoFrameLayout`.
772 fullScreenVideoFrameLayout.removeAllViews();
773 fullScreenVideoFrameLayout.setVisibility(View.GONE);
775 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
776 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
778 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
779 rootCoordinatorLayout.setFitsSystemWindows(true);
781 // Show the ad if this is the free flavor.
782 if (BuildConfig.FLAVOR.contentEquals("free")) {
783 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
784 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
786 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
787 adView = findViewById(R.id.adview);
792 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
793 registerForContextMenu(mainWebView);
795 // Allow the downloading of files.
796 mainWebView.setDownloadListener(new DownloadListener() {
798 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
799 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
800 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
801 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
805 // Allow pinch to zoom.
806 mainWebView.getSettings().setBuiltInZoomControls(true);
808 // Hide zoom controls.
809 mainWebView.getSettings().setDisplayZoomControls(false);
811 // Initialize cookieManager.
812 cookieManager = CookieManager.getInstance();
814 // 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).
815 customHeaders.put("X-Requested-With", "");
817 // 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.
818 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
820 // Get the intent that started the app.
821 final Intent launchingIntent = getIntent();
823 // Extract the launching intent data as `launchingIntentUriData`.
824 final Uri launchingIntentUriData = launchingIntent.getData();
826 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
827 if (launchingIntentUriData != null) {
828 formattedUrlString = launchingIntentUriData.toString();
831 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
832 inFullScreenBrowsingMode = false;
834 // Initialize AdView for the free flavor.
835 adView = findViewById(R.id.adview);
837 // Initialize the privacy settings variables.
838 javaScriptEnabled = false;
839 firstPartyCookiesEnabled = false;
840 thirdPartyCookiesEnabled = false;
841 domStorageEnabled = false;
842 saveFormDataEnabled = false;
844 // Initialize `webViewTitle`.
845 webViewTitle = getString(R.string.no_title);
847 // Apply the app settings from the shared preferences.
850 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
851 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
852 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
853 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
855 // If the favorite icon is null, load the default.
856 if (favoriteIconBitmap == null) {
857 favoriteIconBitmap = favoriteIconDefaultBitmap;
859 // Load `formattedUrlString` if we are not proxying through Orbot and waiting for Orbot to connect.
860 if (!(proxyThroughOrbot && !orbotStatus.equals("ON"))) {
861 loadUrl(formattedUrlString);
868 protected void onNewIntent(Intent intent) {
869 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
872 if (intent.getData() != null) {
873 // Get the intent data and convert it to a string.
874 final Uri intentUriData = intent.getData();
875 formattedUrlString = intentUriData.toString();
878 // Close the navigation drawer if it is open.
879 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
880 drawerLayout.closeDrawer(GravityCompat.START);
884 loadUrl(formattedUrlString);
886 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
887 mainWebView.requestFocus();
891 public boolean onCreateOptionsMenu(Menu menu) {
892 // Inflate the menu; this adds items to the action bar if it is present.
893 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
895 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
898 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
899 updatePrivacyIcons(false);
901 // Get handles for the menu items.
902 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
903 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
904 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
905 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
907 // Only display third-party cookies if SDK >= 21
908 toggleThirdPartyCookies.setVisible(Build.VERSION.SDK_INT >= 21);
910 // Get the shared preference values. `this` references the current context.
911 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
913 // Set the status of the additional app bar icons. The default is `false`.
914 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
915 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
916 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
917 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
918 } else { //Do not display the additional icons.
919 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
920 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
921 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
928 public boolean onPrepareOptionsMenu(Menu menu) {
929 // Get handles for the menu items.
930 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
931 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
932 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
933 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
934 MenuItem clearCookies = menu.findItem(R.id.clearCookies);
935 MenuItem clearFormData = menu.findItem(R.id.clearFormData);
936 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
938 // Set the status of the menu item checkboxes.
939 toggleFirstPartyCookies.setChecked(firstPartyCookiesEnabled);
940 toggleThirdPartyCookies.setChecked(thirdPartyCookiesEnabled);
941 toggleDomStorage.setChecked(domStorageEnabled);
942 toggleSaveFormData.setChecked(saveFormDataEnabled);
944 // Enable third-party cookies if first-party cookies are enabled.
945 toggleThirdPartyCookies.setEnabled(firstPartyCookiesEnabled);
947 // Enable DOM Storage if JavaScript is enabled.
948 toggleDomStorage.setEnabled(javaScriptEnabled);
950 // Enable Clear Cookies if there are any.
951 clearCookies.setEnabled(cookieManager.hasCookies());
953 // Enable Clear Form Data is there is any.
954 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
955 clearFormData.setEnabled(mainWebViewDatabase.hasFormData());
957 // Only show `Refresh` if `swipeToRefresh` is disabled.
958 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
960 // Initialize font size variables.
961 int fontSize = mainWebView.getSettings().getTextZoom();
962 String fontSizeTitle;
963 MenuItem selectedFontSizeMenuItem;
965 // Prepare the font size title and current size menu item.
968 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
969 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeFiftyPercent);
973 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
974 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeSeventyFivePercent);
978 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
979 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
983 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
984 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredTwentyFivePercent);
988 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
989 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredFiftyPercent);
993 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
994 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredSeventyFivePercent);
998 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
999 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeTwoHundredPercent);
1003 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1004 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
1008 // Set the font size title and select the current size menu item.
1009 MenuItem fontSizeMenuItem = menu.findItem(R.id.fontSize);
1010 fontSizeMenuItem.setTitle(fontSizeTitle);
1011 selectedFontSizeMenuItem.setChecked(true);
1013 // Run all the other default commands.
1014 super.onPrepareOptionsMenu(menu);
1016 // `return true` displays the menu.
1021 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1022 @SuppressLint("SetJavaScriptEnabled")
1023 // removeAllCookies is deprecated, but it is required for API < 21.
1024 @SuppressWarnings("deprecation")
1025 public boolean onOptionsItemSelected(MenuItem menuItem) {
1026 int menuItemId = menuItem.getItemId();
1028 // Set the commands that relate to the menu entries.
1029 switch (menuItemId) {
1030 case R.id.toggleJavaScript:
1031 // Switch the status of javaScriptEnabled.
1032 javaScriptEnabled = !javaScriptEnabled;
1034 // Apply the new JavaScript status.
1035 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1037 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1038 updatePrivacyIcons(true);
1040 // Display a `Snackbar`.
1041 if (javaScriptEnabled) { // JavaScrip is enabled.
1042 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1043 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1044 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1045 } else { // Privacy mode.
1046 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1049 // Reload the WebView.
1050 mainWebView.reload();
1053 case R.id.toggleFirstPartyCookies:
1054 // Switch the status of firstPartyCookiesEnabled.
1055 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1057 // Update the menu checkbox.
1058 menuItem.setChecked(firstPartyCookiesEnabled);
1060 // Apply the new cookie status.
1061 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1063 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1064 updatePrivacyIcons(true);
1066 // Display a `Snackbar`.
1067 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1068 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1069 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1070 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1071 } else { // Privacy mode.
1072 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1075 // Reload the WebView.
1076 mainWebView.reload();
1079 case R.id.toggleThirdPartyCookies:
1080 if (Build.VERSION.SDK_INT >= 21) {
1081 // Switch the status of thirdPartyCookiesEnabled.
1082 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1084 // Update the menu checkbox.
1085 menuItem.setChecked(thirdPartyCookiesEnabled);
1087 // Apply the new cookie status.
1088 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1090 // Display a `Snackbar`.
1091 if (thirdPartyCookiesEnabled) {
1092 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1094 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1097 // Reload the WebView.
1098 mainWebView.reload();
1099 } // Else do nothing because SDK < 21.
1102 case R.id.toggleDomStorage:
1103 // Switch the status of domStorageEnabled.
1104 domStorageEnabled = !domStorageEnabled;
1106 // Update the menu checkbox.
1107 menuItem.setChecked(domStorageEnabled);
1109 // Apply the new DOM Storage status.
1110 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1112 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1113 updatePrivacyIcons(true);
1115 // Display a `Snackbar`.
1116 if (domStorageEnabled) {
1117 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1119 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1122 // Reload the WebView.
1123 mainWebView.reload();
1126 case R.id.toggleSaveFormData:
1127 // Switch the status of saveFormDataEnabled.
1128 saveFormDataEnabled = !saveFormDataEnabled;
1130 // Update the menu checkbox.
1131 menuItem.setChecked(saveFormDataEnabled);
1133 // Apply the new form data status.
1134 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1136 // Display a `Snackbar`.
1137 if (saveFormDataEnabled) {
1138 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1140 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1143 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1144 updatePrivacyIcons(true);
1146 // Reload the WebView.
1147 mainWebView.reload();
1150 case R.id.clearCookies:
1151 if (Build.VERSION.SDK_INT < 21) {
1152 cookieManager.removeAllCookie();
1154 cookieManager.removeAllCookies(null);
1156 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
1159 case R.id.clearDomStorage:
1160 WebStorage webStorage = WebStorage.getInstance();
1161 webStorage.deleteAllData();
1162 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
1165 case R.id.clearFormData:
1166 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1167 mainWebViewDatabase.clearFormData();
1168 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
1171 case R.id.fontSizeFiftyPercent:
1172 mainWebView.getSettings().setTextZoom(50);
1175 case R.id.fontSizeSeventyFivePercent:
1176 mainWebView.getSettings().setTextZoom(75);
1179 case R.id.fontSizeOneHundredPercent:
1180 mainWebView.getSettings().setTextZoom(100);
1183 case R.id.fontSizeOneHundredTwentyFivePercent:
1184 mainWebView.getSettings().setTextZoom(125);
1187 case R.id.fontSizeOneHundredFiftyPercent:
1188 mainWebView.getSettings().setTextZoom(150);
1191 case R.id.fontSizeOneHundredSeventyFivePercent:
1192 mainWebView.getSettings().setTextZoom(175);
1195 case R.id.fontSizeTwoHundredPercent:
1196 mainWebView.getSettings().setTextZoom(200);
1200 Intent shareIntent = new Intent();
1201 shareIntent.setAction(Intent.ACTION_SEND);
1202 shareIntent.putExtra(Intent.EXTRA_TEXT, urlTextBox.getText().toString());
1203 shareIntent.setType("text/plain");
1204 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1207 case R.id.find_on_page:
1208 // Hide the URL app bar.
1209 supportAppBar.setVisibility(View.GONE);
1211 // Show the Find on Page `RelativeLayout`.
1212 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1214 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1215 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1216 findOnPageEditText.postDelayed(new Runnable()
1221 // Set the focus on `findOnPageEditText`.
1222 findOnPageEditText.requestFocus();
1224 // Display the keyboard.
1225 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1231 mainWebView.reload();
1235 // Get a `PrintManager` instance.
1236 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1238 // Convert `mainWebView` to `printDocumentAdapter`.
1239 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1241 // Print the document. The print attributes are `null`.
1242 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1245 case R.id.addToHomescreen:
1246 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1247 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1248 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1250 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1254 // Don't consume the event.
1255 return super.onOptionsItemSelected(menuItem);
1259 // removeAllCookies is deprecated, but it is required for API < 21.
1260 @SuppressWarnings("deprecation")
1262 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1263 int menuItemId = menuItem.getItemId();
1265 switch (menuItemId) {
1271 if (mainWebView.canGoBack()) {
1272 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1273 navigatingHistory = true;
1275 // Load the previous website in the history.
1276 mainWebView.goBack();
1281 if (mainWebView.canGoForward()) {
1282 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1283 navigatingHistory = true;
1285 // Load the next website in the history.
1286 mainWebView.goForward();
1291 // Get the `WebBackForwardList`.
1292 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1294 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1295 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1296 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1299 case R.id.bookmarks:
1300 // Launch BookmarksActivity.
1301 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1302 startActivity(bookmarksIntent);
1305 case R.id.downloads:
1306 // Launch the system Download Manager.
1307 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1309 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1310 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1312 startActivity(downloadManagerIntent);
1316 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1317 currentDomainName = "";
1319 // Launch `SettingsActivity`.
1320 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1321 startActivity(settingsIntent);
1325 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1326 currentDomainName = "";
1328 // Launch `DomainsActivity`.
1329 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1330 startActivity(domainsIntent);
1334 // Launch `GuideActivity`.
1335 Intent guideIntent = new Intent(this, GuideActivity.class);
1336 startActivity(guideIntent);
1340 // Launch `AboutActivity`.
1341 Intent aboutIntent = new Intent(this, AboutActivity.class);
1342 startActivity(aboutIntent);
1345 case R.id.clearAndExit:
1346 // Clear cookies. The commands changed slightly in API 21.
1347 if (Build.VERSION.SDK_INT >= 21) {
1348 cookieManager.removeAllCookies(null);
1350 cookieManager.removeAllCookie();
1353 // Clear DOM storage.
1354 WebStorage domStorage = WebStorage.getInstance();
1355 domStorage.deleteAllData();
1358 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1359 webViewDatabase.clearFormData();
1361 // Clear cache. The argument of "true" includes disk files.
1362 mainWebView.clearCache(true);
1364 // Clear the back/forward history.
1365 mainWebView.clearHistory();
1367 // Clear any SSL certificate preferences.
1368 mainWebView.clearSslPreferences();
1370 // Clear `formattedUrlString`.
1371 formattedUrlString = null;
1373 // Clear `customHeaders`.
1374 customHeaders.clear();
1376 // Detach all views from `mainWebViewRelativeLayout`.
1377 mainWebViewRelativeLayout.removeAllViews();
1379 // Destroy the internal state of `mainWebView`.
1380 mainWebView.destroy();
1382 // Manually delete the `app_webview` folder, which contains an additional `WebView` cache. See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
1383 Runtime runtime = Runtime.getRuntime();
1384 String dataDirString = getApplicationInfo().dataDir; // `dataDir` will vary, but will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, which links to `/data/data/com.stoutner.privacybrowser.standard`.
1386 runtime.exec("rm -rf " + dataDirString + "/app_webview");
1387 } catch (IOException e) {
1388 // Do nothing if the files do not exist.
1391 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1392 if (Build.VERSION.SDK_INT >= 21) {
1393 finishAndRemoveTask();
1398 // Remove the terminated program from RAM. The status code is `0`.
1406 // Close the navigation drawer.
1407 drawerLayout.closeDrawer(GravityCompat.START);
1412 public void onPostCreate(Bundle savedInstanceState) {
1413 super.onPostCreate(savedInstanceState);
1415 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1416 drawerToggle.syncState();
1420 public void onConfigurationChanged(Configuration newConfig) {
1421 super.onConfigurationChanged(newConfig);
1423 // Reload the ad for the free flavor if we are not in full screen mode.
1424 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1426 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1428 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1429 adView = findViewById(R.id.adview);
1432 // `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
1433 // ActivityCompat.invalidateOptionsMenu(this);
1437 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1438 // Store the `HitTestResult`.
1439 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1442 final String imageUrl;
1443 final String linkUrl;
1445 // Get a handle for the `ClipboardManager`.
1446 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1448 switch (hitTestResult.getType()) {
1449 // `SRC_ANCHOR_TYPE` is a link.
1450 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1451 // Get the target URL.
1452 linkUrl = hitTestResult.getExtra();
1454 // Set the target URL as the title of the `ContextMenu`.
1455 menu.setHeaderTitle(linkUrl);
1457 // Add a `Load URL` entry.
1458 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1460 public boolean onMenuItemClick(MenuItem item) {
1466 // Add a `Copy URL` entry.
1467 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1469 public boolean onMenuItemClick(MenuItem item) {
1470 // Save the link URL in a `ClipData`.
1471 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1473 // Set the `ClipData` as the clipboard's primary clip.
1474 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1479 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1480 menu.add(R.string.cancel);
1483 case WebView.HitTestResult.EMAIL_TYPE:
1484 // Get the target URL.
1485 linkUrl = hitTestResult.getExtra();
1487 // Set the target URL as the title of the `ContextMenu`.
1488 menu.setHeaderTitle(linkUrl);
1490 // Add a `Write Email` entry.
1491 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1493 public boolean onMenuItemClick(MenuItem item) {
1494 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1495 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1497 // Parse the url and set it as the data for the `Intent`.
1498 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1500 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1501 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1504 startActivity(emailIntent);
1509 // Add a `Copy Email Address` entry.
1510 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1512 public boolean onMenuItemClick(MenuItem item) {
1513 // Save the email address in a `ClipData`.
1514 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1516 // Set the `ClipData` as the clipboard's primary clip.
1517 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1522 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1523 menu.add(R.string.cancel);
1526 // `IMAGE_TYPE` is an image.
1527 case WebView.HitTestResult.IMAGE_TYPE:
1528 // Get the image URL.
1529 imageUrl = hitTestResult.getExtra();
1531 // Set the image URL as the title of the `ContextMenu`.
1532 menu.setHeaderTitle(imageUrl);
1534 // Add a `View Image` entry.
1535 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1537 public boolean onMenuItemClick(MenuItem item) {
1543 // Add a `Download Image` entry.
1544 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1546 public boolean onMenuItemClick(MenuItem item) {
1547 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1548 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1549 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1554 // Add a `Copy URL` entry.
1555 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1557 public boolean onMenuItemClick(MenuItem item) {
1558 // Save the image URL in a `ClipData`.
1559 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1561 // Set the `ClipData` as the clipboard's primary clip.
1562 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1567 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1568 menu.add(R.string.cancel);
1572 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1573 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1574 // Get the image URL.
1575 imageUrl = hitTestResult.getExtra();
1577 // Set the image URL as the title of the `ContextMenu`.
1578 menu.setHeaderTitle(imageUrl);
1580 // Add a `View Image` entry.
1581 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1583 public boolean onMenuItemClick(MenuItem item) {
1589 // Add a `Download Image` entry.
1590 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1592 public boolean onMenuItemClick(MenuItem item) {
1593 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1594 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1595 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1600 // Add a `Copy URL` entry.
1601 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1603 public boolean onMenuItemClick(MenuItem item) {
1604 // Save the image URL in a `ClipData`.
1605 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1607 // Set the `ClipData` as the clipboard's primary clip.
1608 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1613 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1614 menu.add(R.string.cancel);
1620 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1621 // Get shortcutNameEditText from the alert dialog.
1622 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1624 // Create the bookmark shortcut based on formattedUrlString.
1625 Intent bookmarkShortcut = new Intent();
1626 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1627 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1629 // Place the bookmark shortcut on the home screen.
1630 Intent placeBookmarkShortcut = new Intent();
1631 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1632 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1633 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1634 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1635 sendBroadcast(placeBookmarkShortcut);
1639 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1640 // Download the image if it has an HTTP or HTTPS URI.
1641 if (imageUrl.startsWith("http")) {
1642 // Get a handle for the system `DOWNLOAD_SERVICE`.
1643 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1645 // Parse `imageUrl`.
1646 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1648 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1649 if (firstPartyCookiesEnabled) {
1650 // Get the cookies for `imageUrl`.
1651 String cookies = cookieManager.getCookie(imageUrl);
1653 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1654 downloadRequest.addRequestHeader("Cookie", cookies);
1657 // Get the file name from `dialogFragment`.
1658 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1659 String imageName = downloadImageNameEditText.getText().toString();
1661 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1662 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1663 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1664 } else { // Only set the title using `imageName`.
1665 downloadRequest.setTitle(imageName);
1668 // Allow `MediaScanner` to index the download if it is a media file.
1669 downloadRequest.allowScanningByMediaScanner();
1671 // Add the URL as the description for the download.
1672 downloadRequest.setDescription(imageUrl);
1674 // Show the download notification after the download is completed.
1675 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1677 // Initiate the download.
1678 downloadManager.enqueue(downloadRequest);
1679 } else { // The image is not an HTTP or HTTPS URI.
1680 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
1685 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
1686 // Download the file if it has an HTTP or HTTPS URI.
1687 if (downloadUrl.startsWith("http")) {
1689 // Get a handle for the system `DOWNLOAD_SERVICE`.
1690 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1692 // Parse `downloadUrl`.
1693 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
1695 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
1696 if (firstPartyCookiesEnabled) {
1697 // Get the cookies for `downloadUrl`.
1698 String cookies = cookieManager.getCookie(downloadUrl);
1700 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1701 downloadRequest.addRequestHeader("Cookie", cookies);
1704 // Get the file name from `dialogFragment`.
1705 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
1706 String fileName = downloadFileNameEditText.getText().toString();
1708 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1709 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
1710 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
1711 } else { // Only set the title using `fileName`.
1712 downloadRequest.setTitle(fileName);
1715 // Allow `MediaScanner` to index the download if it is a media file.
1716 downloadRequest.allowScanningByMediaScanner();
1718 // Add the URL as the description for the download.
1719 downloadRequest.setDescription(downloadUrl);
1721 // Show the download notification after the download is completed.
1722 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1724 // Initiate the download.
1725 downloadManager.enqueue(downloadRequest);
1726 } else { // The download is not an HTTP or HTTPS URI.
1727 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
1731 public void viewSslCertificate(View view) {
1732 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
1733 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
1734 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
1738 public void onSslErrorCancel() {
1739 sslErrorHandler.cancel();
1743 public void onSslErrorProceed() {
1744 sslErrorHandler.proceed();
1748 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
1749 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1750 navigatingHistory = true;
1752 // Load the history entry.
1753 mainWebView.goBackOrForward(moveBackOrForwardSteps);
1757 public void onClearHistory() {
1758 // Clear the history.
1759 mainWebView.clearHistory();
1762 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
1764 public void onBackPressed() {
1765 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
1766 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1767 drawerLayout.closeDrawer(GravityCompat.START);
1769 // Load the previous URL if available.
1770 if (mainWebView.canGoBack()) {
1771 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1772 navigatingHistory = true;
1775 mainWebView.goBack();
1777 // Pass `onBackPressed()` to the system.
1778 super.onBackPressed();
1784 public void onPause() {
1785 // Pause `mainWebView`.
1786 mainWebView.onPause();
1788 // Stop all JavaScript.
1789 mainWebView.pauseTimers();
1791 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1792 if (BuildConfig.FLAVOR.contentEquals("free")) {
1793 BannerAd.pauseAd(adView);
1800 public void onResume() {
1803 // Resume JavaScript (if enabled).
1804 mainWebView.resumeTimers();
1806 // Resume `mainWebView`.
1807 mainWebView.onResume();
1809 // Resume the adView for the free flavor.
1810 if (BuildConfig.FLAVOR.contentEquals("free")) {
1811 BannerAd.resumeAd(adView);
1816 public void onRestart() {
1819 // Apply the settings from shared preferences, which might have been changed in `SettingsActivity`.
1822 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1823 updatePrivacyIcons(true);
1827 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
1828 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
1829 String unformattedUrlString = urlTextBox.getText().toString().trim();
1831 // Check to see if unformattedUrlString is a valid URL. Otherwise, convert it into a Duck Duck Go search.
1832 if (Patterns.WEB_URL.matcher(unformattedUrlString).matches()) {
1833 // Add http:// at the beginning if it is missing. Otherwise the app will segfault.
1834 if (!unformattedUrlString.startsWith("http")) {
1835 unformattedUrlString = "http://" + unformattedUrlString;
1838 // Initialize `unformattedUrl`.
1839 URL unformattedUrl = null;
1841 // 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.
1843 unformattedUrl = new URL(unformattedUrlString);
1844 } catch (MalformedURLException e) {
1845 e.printStackTrace();
1848 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
1849 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
1850 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
1851 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
1852 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
1853 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
1856 Uri.Builder formattedUri = new Uri.Builder();
1857 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
1859 // Decode `formattedUri` as a `String` in `UTF-8`.
1860 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
1862 // Sanitize the search input and convert it to a search.
1863 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
1865 // Use the correct search URL.
1866 if (javaScriptEnabled) { // JavaScript is enabled.
1867 formattedUrlString = javaScriptEnabledSearchURL + encodedUrlString;
1868 } else { // JavaScript is disabled.
1869 formattedUrlString = javaScriptDisabledSearchURL + encodedUrlString;
1873 loadUrl(formattedUrlString);
1875 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1876 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1880 private void loadUrl(String url) {
1881 // Apply any custom domain settings.
1882 applyDomainSettings(url);
1885 mainWebView.loadUrl(url, customHeaders);
1888 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
1889 @SuppressWarnings("deprecation")
1890 private void applyDomainSettings(String url) {
1891 // Reset `navigatingHistory`.
1892 navigatingHistory = false;
1894 // Parse the URL into a URI.
1895 Uri uri = Uri.parse(url);
1897 // Extract the domain from `uri`.
1898 String hostName = uri.getHost();
1900 // Initialize `loadingNewDomainName`.
1901 boolean loadingNewDomainName;
1903 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
1904 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
1905 //noinspection SimplifiableIfStatement
1906 if ((hostName == null) || (currentDomainName == null)) {
1907 loadingNewDomainName = true;
1908 } else { // Determine if `hostName` equals `currentDomainName`.
1909 loadingNewDomainName = !hostName.equals(currentDomainName);
1912 // 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.
1913 if (loadingNewDomainName) {
1914 // Set the new `hostname` as the `currentDomainName`.
1915 currentDomainName = hostName;
1917 // Reset `favoriteIconBitmap` and display it in the `appbar`.
1918 favoriteIconBitmap = favoriteIconDefaultBitmap;
1919 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
1921 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
1922 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
1923 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
1925 // Get a full cursor from `domainsDatabaseHelper`.
1926 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
1928 // Initialize `domainSettingsSet`.
1929 Set<String> domainSettingsSet = new HashSet<>();
1931 // Get the domain name column index.
1932 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
1934 // Populate `domainSettingsSet`.
1935 for (int i = 0; i < domainNameCursor.getCount(); i++) {
1936 // Move `domainsCursor` to the current row.
1937 domainNameCursor.moveToPosition(i);
1939 // Store the domain name in `domainSettingsSet`.
1940 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
1943 // Close `domainNameCursor.
1944 domainNameCursor.close();
1946 // Initialize variables to track if this domain has stored domain settings, and if so, under which name.
1947 boolean hostHasDomainSettings = false;
1948 String domainNameInDatabase = null;
1950 // Check the hostname.
1951 if (domainSettingsSet.contains(hostName)) {
1952 hostHasDomainSettings = true;
1953 domainNameInDatabase = hostName;
1956 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
1957 if (hostName != null) {
1958 while (hostName.contains(".") && !hostHasDomainSettings) { // Stop checking if we run out of `.` or if we already know that `hostHasDomainSettings` is `true`.
1959 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
1960 hostHasDomainSettings = true;
1961 domainNameInDatabase = "*." + hostName;
1964 // Strip out the lowest subdomain of `host`.
1965 hostName = hostName.substring(hostName.indexOf(".") + 1);
1969 if (hostHasDomainSettings) { // The url we are loading has custom domain settings.
1970 // Get a cursor for the current host and move it to the first position.
1971 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
1972 currentHostDomainSettingsCursor.moveToFirst();
1974 // Get the settings from the cursor.
1975 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
1976 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
1977 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
1978 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
1979 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
1980 String userAgentString = (currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
1981 int fontSize = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
1983 // Close `currentHostDomainSettingsCursor`.
1984 currentHostDomainSettingsCursor.close();
1986 // Apply the domain settings.
1987 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1988 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1989 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1990 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1991 mainWebView.getSettings().setTextZoom(fontSize);
1993 // Set third-party cookies status if API >= 21.
1994 if (Build.VERSION.SDK_INT >= 21) {
1995 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1998 // Set the user agent.
1999 if (userAgentString.equals("WebView default user agent")) {
2000 // Set the user agent to `""`, which uses the default value.
2001 mainWebView.getSettings().setUserAgentString("");
2003 // Use the selected user agent.
2004 mainWebView.getSettings().setUserAgentString(userAgentString);
2007 // 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.
2008 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
2009 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2010 // Get the shared preference values. `this` references the current context.
2011 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2013 // Store the values from `sharedPreferences` in variables.
2014 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2015 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2016 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2017 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2018 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2019 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2020 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2021 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2023 // Apply the default settings.
2024 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2025 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2026 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2027 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2028 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2030 // Set third-party cookies status if API >= 21.
2031 if (Build.VERSION.SDK_INT >= 21) {
2032 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2035 // Set the default user agent.
2036 switch (userAgentString) {
2037 case "WebView default user agent":
2038 // Set the user agent to `""`, which uses the default value.
2039 mainWebView.getSettings().setUserAgentString("");
2042 case "Custom user agent":
2043 // Set the custom user agent.
2044 mainWebView.getSettings().setUserAgentString(customUserAgentString);
2048 // Use the selected user agent.
2049 mainWebView.getSettings().setUserAgentString(userAgentString);
2053 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2054 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
2057 // Close `domainsDatabaseHelper`.
2058 domainsDatabaseHelper.close();
2060 // Update the privacy icons, but only if `mainMenu` has already been populated.
2061 if (mainMenu != null) {
2062 updatePrivacyIcons(true);
2067 public void findPreviousOnPage(View view) {
2068 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2069 mainWebView.findNext(false);
2072 public void findNextOnPage(View view) {
2073 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2074 mainWebView.findNext(true);
2077 public void closeFindOnPage(View view) {
2078 // Delete the contents of `find_on_page_edittext`.
2079 findOnPageEditText.setText(null);
2081 // Clear the highlighted phrases.
2082 mainWebView.clearMatches();
2084 // Hide the Find on Page `RelativeLayout`.
2085 findOnPageLinearLayout.setVisibility(View.GONE);
2087 // Show the URL app bar.
2088 supportAppBar.setVisibility(View.VISIBLE);
2090 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2091 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2094 private void applyAppSettings() {
2095 // Get the shared preference values. `this` references the current context.
2096 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2098 // Store the values from `sharedPreferences` in variables.
2099 String javaScriptDisabledSearchString = sharedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q=");
2100 String javaScriptDisabledSearchCustomURLString = sharedPreferences.getString("javascript_disabled_search_custom_url", "");
2101 String javaScriptEnabledSearchString = sharedPreferences.getString("javascript_enabled_search", "https://duckduckgo.com/?q=");
2102 String javaScriptEnabledSearchCustomURLString = sharedPreferences.getString("javascript_enabled_search_custom_url", "");
2103 String homepageString = sharedPreferences.getString("homepage", "https://duckduckgo.com");
2104 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2105 String torJavaScriptDisabledSearchString = sharedPreferences.getString("tor_javascript_disabled_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2106 String torJavaScriptDisabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_disabled_search_custom_url", "");
2107 String torJavaScriptEnabledSearchString = sharedPreferences.getString("tor_javascript_enabled_search", "https://3g2upl4pq6kufc4m.onion/?q=");
2108 String torJavaScriptEnabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_enabled_search_custom_url", "");
2109 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh_enabled", false);
2110 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2111 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2112 proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2113 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("enable_full_screen_browsing_mode", false);
2114 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2115 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2117 // Set the homepage, search, and proxy options.
2118 if (proxyThroughOrbot) { // Set the Tor options.
2119 // Set `torHomepageString` as `homepage`.
2120 homepage = torHomepageString;
2122 // If formattedUrlString is null assign the homepage to it.
2123 if (formattedUrlString == null) {
2124 formattedUrlString = homepage;
2127 // Set JavaScript disabled search.
2128 if (torJavaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2129 javaScriptDisabledSearchURL = torJavaScriptDisabledSearchCustomURLString;
2130 } else { // Use the string from the pre-built list.
2131 javaScriptDisabledSearchURL = torJavaScriptDisabledSearchString;
2134 // Set JavaScript enabled search.
2135 if (torJavaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2136 javaScriptEnabledSearchURL = torJavaScriptEnabledSearchCustomURLString;
2137 } else { // Use the string from the pre-built list.
2138 javaScriptEnabledSearchURL = torJavaScriptEnabledSearchString;
2141 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2142 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2144 // Display a message to the user if we are waiting on Orbot.
2145 if (!orbotStatus.equals("ON")) {
2146 // Save `formattedUrlString` in `pendingUrl`.
2147 pendingUrl = formattedUrlString;
2149 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2150 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2152 } else { // Set the non-Tor options.
2153 // Set `homepageString` as `homepage`.
2154 homepage = homepageString;
2156 // If formattedUrlString is null assign the homepage to it.
2157 if (formattedUrlString == null) {
2158 formattedUrlString = homepage;
2161 // Set JavaScript disabled search.
2162 if (javaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2163 javaScriptDisabledSearchURL = javaScriptDisabledSearchCustomURLString;
2164 } else { // Use the string from the pre-built list.
2165 javaScriptDisabledSearchURL = javaScriptDisabledSearchString;
2168 // Set JavaScript enabled search.
2169 if (javaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2170 javaScriptEnabledSearchURL = javaScriptEnabledSearchCustomURLString;
2171 } else { // Use the string from the pre-built list.
2172 javaScriptEnabledSearchURL = javaScriptEnabledSearchString;
2175 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2176 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2178 // Reset `pendingUrl` if we are currently waiting for Orbot to connect.
2179 if (!pendingUrl.isEmpty()) {
2180 formattedUrlString = pendingUrl;
2185 // Set swipe to refresh.
2186 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2188 // Set Do Not Track status.
2189 if (doNotTrackEnabled) {
2190 customHeaders.put("DNT", "1");
2192 customHeaders.remove("DNT");
2195 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2196 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2197 if (hideSystemBarsOnFullscreen) { // Hide everything.
2198 // Remove the translucent navigation setting if it is currently flagged.
2199 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2201 // Remove the translucent status bar overlay.
2202 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2204 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2205 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2207 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2208 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2209 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2211 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2212 } else { // Hide everything except the status and navigation bars.
2213 // Add the translucent status flag if it is unset.
2214 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2216 if (translucentNavigationBarOnFullscreen) {
2217 // Set the navigation bar to be translucent.
2218 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2220 // Set the navigation bar to be black.
2221 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2224 } else { // Switch to normal viewing mode.
2225 // Reset `inFullScreenBrowsingMode` to `false`.
2226 inFullScreenBrowsingMode = false;
2228 // Show the `appBar`.
2231 // Show the `BannerAd` in the free flavor.
2232 if (BuildConfig.FLAVOR.contentEquals("free")) {
2233 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2234 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2236 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2237 adView = findViewById(R.id.adview);
2240 // Remove the translucent navigation bar flag if it is set.
2241 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2243 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2244 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2246 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2247 rootCoordinatorLayout.setSystemUiVisibility(0);
2249 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2250 rootCoordinatorLayout.setFitsSystemWindows(true);
2254 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2255 // Get handles for the icons.
2256 MenuItem privacyIcon = mainMenu.findItem(R.id.toggleJavaScript);
2257 MenuItem firstPartyCookiesIcon = mainMenu.findItem(R.id.toggleFirstPartyCookies);
2258 MenuItem domStorageIcon = mainMenu.findItem(R.id.toggleDomStorage);
2259 MenuItem formDataIcon = mainMenu.findItem(R.id.toggleSaveFormData);
2261 // Update `privacyIcon`.
2262 if (javaScriptEnabled) { // JavaScript is enabled.
2263 privacyIcon.setIcon(R.drawable.javascript_enabled);
2264 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2265 privacyIcon.setIcon(R.drawable.warning);
2266 } else { // All the dangerous features are disabled.
2267 privacyIcon.setIcon(R.drawable.privacy_mode);
2270 // Update `firstPartyCookiesIcon`.
2271 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2272 firstPartyCookiesIcon.setIcon(R.drawable.cookies_enabled);
2273 } else { // First-party cookies are disabled.
2274 firstPartyCookiesIcon.setIcon(R.drawable.cookies_disabled);
2277 // Update `domStorageIcon`.
2278 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2279 domStorageIcon.setIcon(R.drawable.dom_storage_enabled);
2280 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2281 domStorageIcon.setIcon(R.drawable.dom_storage_disabled);
2282 } else { // JavaScript is disabled, so DOM storage is ghosted.
2283 domStorageIcon.setIcon(R.drawable.dom_storage_ghosted);
2286 // Update `formDataIcon`.
2287 if (saveFormDataEnabled) { // Form data is enabled.
2288 formDataIcon.setIcon(R.drawable.form_data_enabled);
2289 } else { // Form data is disabled.
2290 formDataIcon.setIcon(R.drawable.form_data_disabled);
2293 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2294 if (runInvalidateOptionsMenu) {
2295 ActivityCompat.invalidateOptionsMenu(this);