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 // `privacyBrowserRuntime` is used in `onCreate()` and `applyAppSettings()`.
207 Runtime privacyBrowserRuntime;
209 // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
210 private boolean incognitoModeEnabled;
212 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
213 private boolean fullScreenBrowsingModeEnabled;
215 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
216 private boolean inFullScreenBrowsingMode;
218 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
219 private boolean hideSystemBarsOnFullscreen;
221 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
222 private boolean translucentNavigationBarOnFullscreen;
224 // `proxyThroughOrbot` is used in `onCreate()` and `applyAppSettings()`.
225 private boolean proxyThroughOrbot;
227 // `currentDomainName` is used in `onCreate(), `onNavigationItemSelected()`, and `applyDomainSettings()`.
228 private String currentDomainName;
230 // `waitingForOrbot` is used in `onCreate()` and `applyAppSettings()`.
231 private boolean waitingForOrbot;
233 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
234 private String waitingForOrbotHTMLString;
236 // `privateDataDirectoryString` is used in `onCreate()` and `onNavigationItemSelected()`.
237 private String privateDataDirectoryString;
239 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
240 private LinearLayout findOnPageLinearLayout;
242 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
243 private EditText findOnPageEditText;
245 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
246 private Menu mainMenu;
248 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
249 private ActionBarDrawerToggle drawerToggle;
251 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
252 private Toolbar supportAppBar;
254 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `loadUrl()`.
255 private EditText urlTextBox;
257 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
260 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
261 private SslErrorHandler sslErrorHandler;
263 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
264 private InputMethodManager inputMethodManager;
266 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
267 private RelativeLayout mainWebViewRelativeLayout;
270 // 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.
271 @SuppressLint("SetJavaScriptEnabled")
272 protected void onCreate(Bundle savedInstanceState) {
273 super.onCreate(savedInstanceState);
274 setContentView(R.layout.main_drawerlayout);
276 // Get a handle for `inputMethodManager`.
277 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
279 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
280 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
281 setSupportActionBar(supportAppBar);
282 appBar = getSupportActionBar();
284 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
285 assert appBar != null;
287 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
288 appBar.setCustomView(R.layout.url_app_bar);
289 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
291 // Set the "go" button on the keyboard to load the URL in urlTextBox.
292 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
293 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
295 public boolean onKey(View v, int keyCode, KeyEvent event) {
296 // If the event is a key-down event on the `enter` button, load the URL.
297 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
298 // Load the URL into the mainWebView and consume the event.
300 loadUrlFromTextBox();
301 } catch (UnsupportedEncodingException e) {
304 // If the enter key was pressed, consume the event.
307 // If any other key was pressed, do not consume the event.
313 // Set `waitingForOrbotHTMLString`.
314 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
316 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
317 currentDomainName = "";
318 orbotStatus = "unknown";
319 waitingForOrbot = false;
321 // Create an Orbot status `BroadcastReceiver`.
322 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
324 public void onReceive(Context context, Intent intent) {
325 // Store the content of the status message in `orbotStatus`.
326 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
328 // If we are waiting on Orbot, load the website now that Orbot is connected.
329 if (orbotStatus.equals("ON") && waitingForOrbot) {
330 // Reset `waitingForOrbot`.
331 waitingForOrbot = false;
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 (!waitingForOrbot) { // 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 // Clear the cache and history if Incognito Mode is enabled.
659 if (incognitoModeEnabled) {
660 // Clear the cache. `true` includes disk files.
661 mainWebView.clearCache(true);
663 // Clear the back/forward history.
664 mainWebView.clearHistory();
666 // Manually delete cache folders.
668 // Delete the main `cache` folder.
669 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
671 // 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`.
672 privacyBrowserRuntime.exec("rm -rf " + privacyBrowserRuntime + "/app_webview");
673 } catch (IOException e) {
674 // Do nothing if an error is thrown.
678 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
679 if (!waitingForOrbot && !url.startsWith("data:text/html,<html><body><br/><center><h1>")) { // Sometimes `waitingForOrbot` is reset while the Orbot message `onPageFinished()` is running, causing a race condition. For this reason we check both.
680 // Check to see if `WebView` has set `url` to be `about:blank`.
681 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
682 // Set `formattedUrlString` to `""`.
683 formattedUrlString = "";
685 // Update `urlTextBox`.
686 urlTextBox.setText(formattedUrlString);
688 // Request focus for `urlTextBox`.
689 urlTextBox.requestFocus();
691 // Display the keyboard.
692 inputMethodManager.showSoftInput(urlTextBox, 0);
694 // Apply the domain settings.
695 applyDomainSettings(formattedUrlString);
696 } else { // `WebView` has loaded a webpage.
697 // Set `formattedUrlString`.
698 formattedUrlString = url;
700 // Only update `urlTextBox` if the user is not typing in it.
701 if (!urlTextBox.hasFocus()) {
702 urlTextBox.setText(formattedUrlString);
706 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
707 sslCertificate = mainWebView.getCertificate();
711 // Handle SSL Certificate errors.
713 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
714 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
715 sslErrorHandler = handler;
717 // Display the SSL error `AlertDialog`.
718 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
719 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
723 // Get a handle for the progress bar.
724 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
726 mainWebView.setWebChromeClient(new WebChromeClient() {
727 // Update the progress bar when a page is loading.
729 public void onProgressChanged(WebView view, int progress) {
730 progressBar.setProgress(progress);
731 if (progress < 100) {
732 progressBar.setVisibility(View.VISIBLE);
734 progressBar.setVisibility(View.GONE);
736 //Stop the `SwipeToRefresh` indicator if it is running
737 swipeRefreshLayout.setRefreshing(false);
741 // Set the favorite icon when it changes.
743 public void onReceivedIcon(WebView view, Bitmap icon) {
744 // Only update the favorite icon if the website has finished loading.
745 if (progressBar.getVisibility() == View.GONE) {
746 // Save a copy of the favorite icon.
747 favoriteIconBitmap = icon;
749 // Place the favorite icon in the appBar.
750 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
754 // Save a copy of the title when it changes.
756 public void onReceivedTitle(WebView view, String title) {
757 // Save a copy of the title.
758 webViewTitle = title;
761 // Enter full screen video
763 public void onShowCustomView(View view, CustomViewCallback callback) {
764 // Pause the ad if this is the free flavor.
765 if (BuildConfig.FLAVOR.contentEquals("free")) {
766 BannerAd.pauseAd(adView);
769 // Remove the translucent overlays.
770 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
772 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
773 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
775 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
776 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
777 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
779 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
781 // Set `rootCoordinatorLayout` to fill the entire screen.
782 rootCoordinatorLayout.setFitsSystemWindows(false);
784 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
785 fullScreenVideoFrameLayout.addView(view);
786 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
789 // Exit full screen video
790 public void onHideCustomView() {
791 // Hide `fullScreenVideoFrameLayout`.
792 fullScreenVideoFrameLayout.removeAllViews();
793 fullScreenVideoFrameLayout.setVisibility(View.GONE);
795 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
796 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
798 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
799 rootCoordinatorLayout.setFitsSystemWindows(true);
801 // Show the ad if this is the free flavor.
802 if (BuildConfig.FLAVOR.contentEquals("free")) {
803 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
804 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
806 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
807 adView = findViewById(R.id.adview);
812 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
813 registerForContextMenu(mainWebView);
815 // Allow the downloading of files.
816 mainWebView.setDownloadListener(new DownloadListener() {
818 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
819 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
820 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
821 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
825 // Allow pinch to zoom.
826 mainWebView.getSettings().setBuiltInZoomControls(true);
828 // Hide zoom controls.
829 mainWebView.getSettings().setDisplayZoomControls(false);
831 // Initialize cookieManager.
832 cookieManager = CookieManager.getInstance();
834 // 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).
835 customHeaders.put("X-Requested-With", "");
837 // 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.
838 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
840 // Get the intent that started the app.
841 final Intent launchingIntent = getIntent();
843 // Extract the launching intent data as `launchingIntentUriData`.
844 final Uri launchingIntentUriData = launchingIntent.getData();
846 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
847 if (launchingIntentUriData != null) {
848 formattedUrlString = launchingIntentUriData.toString();
851 // Get a handle for the `Runtime`.
852 privacyBrowserRuntime = Runtime.getRuntime();
854 // Store the application's private data directory.
855 privateDataDirectoryString = getApplicationInfo().dataDir; // `dataDir` will vary, but will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, which links to `/data/data/com.stoutner.privacybrowser.standard`.
857 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
858 inFullScreenBrowsingMode = false;
860 // Initialize AdView for the free flavor.
861 adView = findViewById(R.id.adview);
863 // Initialize the privacy settings variables.
864 javaScriptEnabled = false;
865 firstPartyCookiesEnabled = false;
866 thirdPartyCookiesEnabled = false;
867 domStorageEnabled = false;
868 saveFormDataEnabled = false;
870 // Initialize `webViewTitle`.
871 webViewTitle = getString(R.string.no_title);
873 // Apply the app settings from the shared preferences.
876 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
877 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
878 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
879 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
881 // If the favorite icon is null, load the default.
882 if (favoriteIconBitmap == null) {
883 favoriteIconBitmap = favoriteIconDefaultBitmap;
886 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
887 if (!waitingForOrbot) {
888 loadUrl(formattedUrlString);
894 protected void onNewIntent(Intent intent) {
895 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
898 if (intent.getData() != null) {
899 // Get the intent data and convert it to a string.
900 final Uri intentUriData = intent.getData();
901 formattedUrlString = intentUriData.toString();
904 // Close the navigation drawer if it is open.
905 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
906 drawerLayout.closeDrawer(GravityCompat.START);
910 loadUrl(formattedUrlString);
912 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
913 mainWebView.requestFocus();
917 public boolean onCreateOptionsMenu(Menu menu) {
918 // Inflate the menu; this adds items to the action bar if it is present.
919 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
921 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
924 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
925 updatePrivacyIcons(false);
927 // Get handles for the menu items.
928 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
929 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
930 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
931 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
933 // Only display third-party cookies if SDK >= 21
934 toggleThirdPartyCookies.setVisible(Build.VERSION.SDK_INT >= 21);
936 // Get the shared preference values. `this` references the current context.
937 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
939 // Set the status of the additional app bar icons. The default is `false`.
940 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
941 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
942 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
943 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
944 } else { //Do not display the additional icons.
945 toggleFirstPartyCookies.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
946 toggleDomStorage.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
947 toggleSaveFormData.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
954 public boolean onPrepareOptionsMenu(Menu menu) {
955 // Get handles for the menu items.
956 MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies);
957 MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies);
958 MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
959 MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
960 MenuItem clearCookies = menu.findItem(R.id.clearCookies);
961 MenuItem clearFormData = menu.findItem(R.id.clearFormData);
962 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
964 // Set the status of the menu item checkboxes.
965 toggleFirstPartyCookies.setChecked(firstPartyCookiesEnabled);
966 toggleThirdPartyCookies.setChecked(thirdPartyCookiesEnabled);
967 toggleDomStorage.setChecked(domStorageEnabled);
968 toggleSaveFormData.setChecked(saveFormDataEnabled);
970 // Enable third-party cookies if first-party cookies are enabled.
971 toggleThirdPartyCookies.setEnabled(firstPartyCookiesEnabled);
973 // Enable DOM Storage if JavaScript is enabled.
974 toggleDomStorage.setEnabled(javaScriptEnabled);
976 // Enable Clear Cookies if there are any.
977 clearCookies.setEnabled(cookieManager.hasCookies());
979 // Enable Clear Form Data is there is any.
980 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
981 clearFormData.setEnabled(mainWebViewDatabase.hasFormData());
983 // Only show `Refresh` if `swipeToRefresh` is disabled.
984 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
986 // Initialize font size variables.
987 int fontSize = mainWebView.getSettings().getTextZoom();
988 String fontSizeTitle;
989 MenuItem selectedFontSizeMenuItem;
991 // Prepare the font size title and current size menu item.
994 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
995 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeFiftyPercent);
999 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1000 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeSeventyFivePercent);
1004 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1005 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
1009 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1010 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredTwentyFivePercent);
1014 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1015 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredFiftyPercent);
1019 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1020 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredSeventyFivePercent);
1024 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1025 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeTwoHundredPercent);
1029 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1030 selectedFontSizeMenuItem = menu.findItem(R.id.fontSizeOneHundredPercent);
1034 // Set the font size title and select the current size menu item.
1035 MenuItem fontSizeMenuItem = menu.findItem(R.id.fontSize);
1036 fontSizeMenuItem.setTitle(fontSizeTitle);
1037 selectedFontSizeMenuItem.setChecked(true);
1039 // Run all the other default commands.
1040 super.onPrepareOptionsMenu(menu);
1042 // `return true` displays the menu.
1047 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1048 @SuppressLint("SetJavaScriptEnabled")
1049 // removeAllCookies is deprecated, but it is required for API < 21.
1050 @SuppressWarnings("deprecation")
1051 public boolean onOptionsItemSelected(MenuItem menuItem) {
1052 int menuItemId = menuItem.getItemId();
1054 // Set the commands that relate to the menu entries.
1055 switch (menuItemId) {
1056 case R.id.toggleJavaScript:
1057 // Switch the status of javaScriptEnabled.
1058 javaScriptEnabled = !javaScriptEnabled;
1060 // Apply the new JavaScript status.
1061 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1063 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1064 updatePrivacyIcons(true);
1066 // Display a `Snackbar`.
1067 if (javaScriptEnabled) { // JavaScrip is enabled.
1068 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1069 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1070 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_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.toggleFirstPartyCookies:
1080 // Switch the status of firstPartyCookiesEnabled.
1081 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1083 // Update the menu checkbox.
1084 menuItem.setChecked(firstPartyCookiesEnabled);
1086 // Apply the new cookie status.
1087 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1089 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1090 updatePrivacyIcons(true);
1092 // Display a `Snackbar`.
1093 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1094 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1095 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1096 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1097 } else { // Privacy mode.
1098 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1101 // Reload the WebView.
1102 mainWebView.reload();
1105 case R.id.toggleThirdPartyCookies:
1106 if (Build.VERSION.SDK_INT >= 21) {
1107 // Switch the status of thirdPartyCookiesEnabled.
1108 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1110 // Update the menu checkbox.
1111 menuItem.setChecked(thirdPartyCookiesEnabled);
1113 // Apply the new cookie status.
1114 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1116 // Display a `Snackbar`.
1117 if (thirdPartyCookiesEnabled) {
1118 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1120 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1123 // Reload the WebView.
1124 mainWebView.reload();
1125 } // Else do nothing because SDK < 21.
1128 case R.id.toggleDomStorage:
1129 // Switch the status of domStorageEnabled.
1130 domStorageEnabled = !domStorageEnabled;
1132 // Update the menu checkbox.
1133 menuItem.setChecked(domStorageEnabled);
1135 // Apply the new DOM Storage status.
1136 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1138 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1139 updatePrivacyIcons(true);
1141 // Display a `Snackbar`.
1142 if (domStorageEnabled) {
1143 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1145 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1148 // Reload the WebView.
1149 mainWebView.reload();
1152 case R.id.toggleSaveFormData:
1153 // Switch the status of saveFormDataEnabled.
1154 saveFormDataEnabled = !saveFormDataEnabled;
1156 // Update the menu checkbox.
1157 menuItem.setChecked(saveFormDataEnabled);
1159 // Apply the new form data status.
1160 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1162 // Display a `Snackbar`.
1163 if (saveFormDataEnabled) {
1164 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1166 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1169 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1170 updatePrivacyIcons(true);
1172 // Reload the WebView.
1173 mainWebView.reload();
1176 case R.id.clearCookies:
1177 if (Build.VERSION.SDK_INT < 21) {
1178 cookieManager.removeAllCookie();
1180 cookieManager.removeAllCookies(null);
1182 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
1185 case R.id.clearDomStorage:
1186 WebStorage webStorage = WebStorage.getInstance();
1187 webStorage.deleteAllData();
1188 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
1191 case R.id.clearFormData:
1192 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1193 mainWebViewDatabase.clearFormData();
1194 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
1197 case R.id.fontSizeFiftyPercent:
1198 mainWebView.getSettings().setTextZoom(50);
1201 case R.id.fontSizeSeventyFivePercent:
1202 mainWebView.getSettings().setTextZoom(75);
1205 case R.id.fontSizeOneHundredPercent:
1206 mainWebView.getSettings().setTextZoom(100);
1209 case R.id.fontSizeOneHundredTwentyFivePercent:
1210 mainWebView.getSettings().setTextZoom(125);
1213 case R.id.fontSizeOneHundredFiftyPercent:
1214 mainWebView.getSettings().setTextZoom(150);
1217 case R.id.fontSizeOneHundredSeventyFivePercent:
1218 mainWebView.getSettings().setTextZoom(175);
1221 case R.id.fontSizeTwoHundredPercent:
1222 mainWebView.getSettings().setTextZoom(200);
1226 Intent shareIntent = new Intent();
1227 shareIntent.setAction(Intent.ACTION_SEND);
1228 shareIntent.putExtra(Intent.EXTRA_TEXT, urlTextBox.getText().toString());
1229 shareIntent.setType("text/plain");
1230 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1233 case R.id.find_on_page:
1234 // Hide the URL app bar.
1235 supportAppBar.setVisibility(View.GONE);
1237 // Show the Find on Page `RelativeLayout`.
1238 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1240 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1241 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1242 findOnPageEditText.postDelayed(new Runnable()
1247 // Set the focus on `findOnPageEditText`.
1248 findOnPageEditText.requestFocus();
1250 // Display the keyboard.
1251 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1257 mainWebView.reload();
1261 // Get a `PrintManager` instance.
1262 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1264 // Convert `mainWebView` to `printDocumentAdapter`.
1265 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1267 // Print the document. The print attributes are `null`.
1268 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1271 case R.id.addToHomescreen:
1272 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1273 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1274 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1276 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1280 // Don't consume the event.
1281 return super.onOptionsItemSelected(menuItem);
1285 // removeAllCookies is deprecated, but it is required for API < 21.
1286 @SuppressWarnings("deprecation")
1288 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1289 int menuItemId = menuItem.getItemId();
1291 switch (menuItemId) {
1297 if (mainWebView.canGoBack()) {
1298 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1299 navigatingHistory = true;
1301 // Load the previous website in the history.
1302 mainWebView.goBack();
1307 if (mainWebView.canGoForward()) {
1308 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1309 navigatingHistory = true;
1311 // Load the next website in the history.
1312 mainWebView.goForward();
1317 // Get the `WebBackForwardList`.
1318 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1320 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1321 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1322 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1325 case R.id.bookmarks:
1326 // Launch BookmarksActivity.
1327 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1328 startActivity(bookmarksIntent);
1331 case R.id.downloads:
1332 // Launch the system Download Manager.
1333 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1335 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1336 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1338 startActivity(downloadManagerIntent);
1342 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1343 currentDomainName = "";
1345 // Launch `SettingsActivity`.
1346 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1347 startActivity(settingsIntent);
1351 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1352 currentDomainName = "";
1354 // Launch `DomainsActivity`.
1355 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1356 startActivity(domainsIntent);
1360 // Launch `GuideActivity`.
1361 Intent guideIntent = new Intent(this, GuideActivity.class);
1362 startActivity(guideIntent);
1366 // Launch `AboutActivity`.
1367 Intent aboutIntent = new Intent(this, AboutActivity.class);
1368 startActivity(aboutIntent);
1371 case R.id.clearAndExit:
1372 // Clear cookies. The commands changed slightly in API 21.
1373 if (Build.VERSION.SDK_INT >= 21) {
1374 cookieManager.removeAllCookies(null);
1376 cookieManager.removeAllCookie();
1379 // Clear DOM storage.
1380 WebStorage domStorage = WebStorage.getInstance();
1381 domStorage.deleteAllData();
1384 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1385 webViewDatabase.clearFormData();
1387 // Clear the cache. `true` includes disk files.
1388 mainWebView.clearCache(true);
1390 // Clear the back/forward history.
1391 mainWebView.clearHistory();
1393 // Clear any SSL certificate preferences.
1394 mainWebView.clearSslPreferences();
1396 // Clear `formattedUrlString`.
1397 formattedUrlString = null;
1399 // Clear `customHeaders`.
1400 customHeaders.clear();
1402 // Detach all views from `mainWebViewRelativeLayout`.
1403 mainWebViewRelativeLayout.removeAllViews();
1405 // Destroy the internal state of `mainWebView`.
1406 mainWebView.destroy();
1408 // Manually delete cache folders.
1410 // Delete the main `cache` folder.
1411 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1413 // 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`.
1414 privacyBrowserRuntime.exec("rm -rf " + privacyBrowserRuntime + "/app_webview");
1415 } catch (IOException e) {
1416 // Do nothing if an error is thrown.
1419 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1420 if (Build.VERSION.SDK_INT >= 21) {
1421 finishAndRemoveTask();
1426 // Remove the terminated program from RAM. The status code is `0`.
1434 // Close the navigation drawer.
1435 drawerLayout.closeDrawer(GravityCompat.START);
1440 public void onPostCreate(Bundle savedInstanceState) {
1441 super.onPostCreate(savedInstanceState);
1443 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1444 drawerToggle.syncState();
1448 public void onConfigurationChanged(Configuration newConfig) {
1449 super.onConfigurationChanged(newConfig);
1451 // Reload the ad for the free flavor if we are not in full screen mode.
1452 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1454 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1456 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1457 adView = findViewById(R.id.adview);
1460 // `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
1461 // ActivityCompat.invalidateOptionsMenu(this);
1465 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1466 // Store the `HitTestResult`.
1467 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1470 final String imageUrl;
1471 final String linkUrl;
1473 // Get a handle for the `ClipboardManager`.
1474 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1476 switch (hitTestResult.getType()) {
1477 // `SRC_ANCHOR_TYPE` is a link.
1478 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1479 // Get the target URL.
1480 linkUrl = hitTestResult.getExtra();
1482 // Set the target URL as the title of the `ContextMenu`.
1483 menu.setHeaderTitle(linkUrl);
1485 // Add a `Load URL` entry.
1486 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1488 public boolean onMenuItemClick(MenuItem item) {
1494 // Add a `Copy URL` entry.
1495 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1497 public boolean onMenuItemClick(MenuItem item) {
1498 // Save the link URL in a `ClipData`.
1499 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1501 // Set the `ClipData` as the clipboard's primary clip.
1502 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1507 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1508 menu.add(R.string.cancel);
1511 case WebView.HitTestResult.EMAIL_TYPE:
1512 // Get the target URL.
1513 linkUrl = hitTestResult.getExtra();
1515 // Set the target URL as the title of the `ContextMenu`.
1516 menu.setHeaderTitle(linkUrl);
1518 // Add a `Write Email` entry.
1519 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1521 public boolean onMenuItemClick(MenuItem item) {
1522 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1523 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1525 // Parse the url and set it as the data for the `Intent`.
1526 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1528 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1529 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1532 startActivity(emailIntent);
1537 // Add a `Copy Email Address` entry.
1538 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1540 public boolean onMenuItemClick(MenuItem item) {
1541 // Save the email address in a `ClipData`.
1542 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1544 // Set the `ClipData` as the clipboard's primary clip.
1545 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1550 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1551 menu.add(R.string.cancel);
1554 // `IMAGE_TYPE` is an image.
1555 case WebView.HitTestResult.IMAGE_TYPE:
1556 // Get the image URL.
1557 imageUrl = hitTestResult.getExtra();
1559 // Set the image URL as the title of the `ContextMenu`.
1560 menu.setHeaderTitle(imageUrl);
1562 // Add a `View Image` entry.
1563 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1565 public boolean onMenuItemClick(MenuItem item) {
1571 // Add a `Download Image` entry.
1572 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1574 public boolean onMenuItemClick(MenuItem item) {
1575 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1576 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1577 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1582 // Add a `Copy URL` entry.
1583 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1585 public boolean onMenuItemClick(MenuItem item) {
1586 // Save the image URL in a `ClipData`.
1587 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1589 // Set the `ClipData` as the clipboard's primary clip.
1590 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1595 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1596 menu.add(R.string.cancel);
1600 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1601 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1602 // Get the image URL.
1603 imageUrl = hitTestResult.getExtra();
1605 // Set the image URL as the title of the `ContextMenu`.
1606 menu.setHeaderTitle(imageUrl);
1608 // Add a `View Image` entry.
1609 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1611 public boolean onMenuItemClick(MenuItem item) {
1617 // Add a `Download Image` entry.
1618 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1620 public boolean onMenuItemClick(MenuItem item) {
1621 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1622 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1623 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1628 // Add a `Copy URL` entry.
1629 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1631 public boolean onMenuItemClick(MenuItem item) {
1632 // Save the image URL in a `ClipData`.
1633 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1635 // Set the `ClipData` as the clipboard's primary clip.
1636 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1641 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1642 menu.add(R.string.cancel);
1648 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1649 // Get shortcutNameEditText from the alert dialog.
1650 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1652 // Create the bookmark shortcut based on formattedUrlString.
1653 Intent bookmarkShortcut = new Intent();
1654 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1655 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1657 // Place the bookmark shortcut on the home screen.
1658 Intent placeBookmarkShortcut = new Intent();
1659 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1660 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1661 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1662 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1663 sendBroadcast(placeBookmarkShortcut);
1667 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1668 // Download the image if it has an HTTP or HTTPS URI.
1669 if (imageUrl.startsWith("http")) {
1670 // Get a handle for the system `DOWNLOAD_SERVICE`.
1671 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1673 // Parse `imageUrl`.
1674 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1676 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1677 if (firstPartyCookiesEnabled) {
1678 // Get the cookies for `imageUrl`.
1679 String cookies = cookieManager.getCookie(imageUrl);
1681 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1682 downloadRequest.addRequestHeader("Cookie", cookies);
1685 // Get the file name from `dialogFragment`.
1686 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1687 String imageName = downloadImageNameEditText.getText().toString();
1689 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1690 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1691 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1692 } else { // Only set the title using `imageName`.
1693 downloadRequest.setTitle(imageName);
1696 // Allow `MediaScanner` to index the download if it is a media file.
1697 downloadRequest.allowScanningByMediaScanner();
1699 // Add the URL as the description for the download.
1700 downloadRequest.setDescription(imageUrl);
1702 // Show the download notification after the download is completed.
1703 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1705 // Initiate the download.
1706 downloadManager.enqueue(downloadRequest);
1707 } else { // The image is not an HTTP or HTTPS URI.
1708 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
1713 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
1714 // Download the file if it has an HTTP or HTTPS URI.
1715 if (downloadUrl.startsWith("http")) {
1717 // Get a handle for the system `DOWNLOAD_SERVICE`.
1718 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1720 // Parse `downloadUrl`.
1721 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
1723 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
1724 if (firstPartyCookiesEnabled) {
1725 // Get the cookies for `downloadUrl`.
1726 String cookies = cookieManager.getCookie(downloadUrl);
1728 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1729 downloadRequest.addRequestHeader("Cookie", cookies);
1732 // Get the file name from `dialogFragment`.
1733 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
1734 String fileName = downloadFileNameEditText.getText().toString();
1736 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1737 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
1738 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
1739 } else { // Only set the title using `fileName`.
1740 downloadRequest.setTitle(fileName);
1743 // Allow `MediaScanner` to index the download if it is a media file.
1744 downloadRequest.allowScanningByMediaScanner();
1746 // Add the URL as the description for the download.
1747 downloadRequest.setDescription(downloadUrl);
1749 // Show the download notification after the download is completed.
1750 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1752 // Initiate the download.
1753 downloadManager.enqueue(downloadRequest);
1754 } else { // The download is not an HTTP or HTTPS URI.
1755 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
1759 public void viewSslCertificate(View view) {
1760 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
1761 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
1762 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
1766 public void onSslErrorCancel() {
1767 sslErrorHandler.cancel();
1771 public void onSslErrorProceed() {
1772 sslErrorHandler.proceed();
1776 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
1777 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1778 navigatingHistory = true;
1780 // Load the history entry.
1781 mainWebView.goBackOrForward(moveBackOrForwardSteps);
1785 public void onClearHistory() {
1786 // Clear the history.
1787 mainWebView.clearHistory();
1790 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
1792 public void onBackPressed() {
1793 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
1794 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1795 drawerLayout.closeDrawer(GravityCompat.START);
1797 // Load the previous URL if available.
1798 if (mainWebView.canGoBack()) {
1799 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1800 navigatingHistory = true;
1803 mainWebView.goBack();
1805 // Pass `onBackPressed()` to the system.
1806 super.onBackPressed();
1812 public void onPause() {
1813 // Pause `mainWebView`.
1814 mainWebView.onPause();
1816 // Stop all JavaScript.
1817 mainWebView.pauseTimers();
1819 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1820 if (BuildConfig.FLAVOR.contentEquals("free")) {
1821 BannerAd.pauseAd(adView);
1828 public void onResume() {
1831 // Resume JavaScript (if enabled).
1832 mainWebView.resumeTimers();
1834 // Resume `mainWebView`.
1835 mainWebView.onResume();
1837 // Resume the adView for the free flavor.
1838 if (BuildConfig.FLAVOR.contentEquals("free")) {
1839 BannerAd.resumeAd(adView);
1844 public void onRestart() {
1847 // Apply the settings from shared preferences, which might have been changed in `SettingsActivity`.
1850 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1851 updatePrivacyIcons(true);
1855 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
1856 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
1857 String unformattedUrlString = urlTextBox.getText().toString().trim();
1859 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
1860 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.contains("localhost"))) {
1861 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
1862 if (!unformattedUrlString.startsWith("http")) {
1863 unformattedUrlString = "http://" + unformattedUrlString;
1866 // Initialize `unformattedUrl`.
1867 URL unformattedUrl = null;
1869 // 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.
1871 unformattedUrl = new URL(unformattedUrlString);
1872 } catch (MalformedURLException e) {
1873 e.printStackTrace();
1876 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
1877 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
1878 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
1879 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
1880 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
1881 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
1884 Uri.Builder formattedUri = new Uri.Builder();
1885 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
1887 // Decode `formattedUri` as a `String` in `UTF-8`.
1888 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
1890 // Sanitize the search input and convert it to a search.
1891 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
1893 // Use the correct search URL.
1894 if (javaScriptEnabled) { // JavaScript is enabled.
1895 formattedUrlString = javaScriptEnabledSearchURL + encodedUrlString;
1896 } else { // JavaScript is disabled.
1897 formattedUrlString = javaScriptDisabledSearchURL + encodedUrlString;
1901 loadUrl(formattedUrlString);
1903 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1904 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1908 private void loadUrl(String url) {
1909 // Apply any custom domain settings.
1910 applyDomainSettings(url);
1913 mainWebView.loadUrl(url, customHeaders);
1916 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
1917 @SuppressWarnings("deprecation")
1918 private void applyDomainSettings(String url) {
1919 // Reset `navigatingHistory`.
1920 navigatingHistory = false;
1922 // Parse the URL into a URI.
1923 Uri uri = Uri.parse(url);
1925 // Extract the domain from `uri`.
1926 String hostName = uri.getHost();
1928 // Initialize `loadingNewDomainName`.
1929 boolean loadingNewDomainName;
1931 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
1932 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
1933 //noinspection SimplifiableIfStatement
1934 if ((hostName == null) || (currentDomainName == null)) {
1935 loadingNewDomainName = true;
1936 } else { // Determine if `hostName` equals `currentDomainName`.
1937 loadingNewDomainName = !hostName.equals(currentDomainName);
1940 // 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.
1941 if (loadingNewDomainName) {
1942 // Set the new `hostname` as the `currentDomainName`.
1943 currentDomainName = hostName;
1945 // Reset `favoriteIconBitmap` and display it in the `appbar`.
1946 favoriteIconBitmap = favoriteIconDefaultBitmap;
1947 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
1949 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
1950 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
1951 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
1953 // Get a full cursor from `domainsDatabaseHelper`.
1954 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
1956 // Initialize `domainSettingsSet`.
1957 Set<String> domainSettingsSet = new HashSet<>();
1959 // Get the domain name column index.
1960 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
1962 // Populate `domainSettingsSet`.
1963 for (int i = 0; i < domainNameCursor.getCount(); i++) {
1964 // Move `domainsCursor` to the current row.
1965 domainNameCursor.moveToPosition(i);
1967 // Store the domain name in `domainSettingsSet`.
1968 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
1971 // Close `domainNameCursor.
1972 domainNameCursor.close();
1974 // Initialize variables to track if this domain has stored domain settings, and if so, under which name.
1975 boolean hostHasDomainSettings = false;
1976 String domainNameInDatabase = null;
1978 // Check the hostname.
1979 if (domainSettingsSet.contains(hostName)) {
1980 hostHasDomainSettings = true;
1981 domainNameInDatabase = hostName;
1984 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
1985 if (hostName != null) {
1986 while (hostName.contains(".") && !hostHasDomainSettings) { // Stop checking if we run out of `.` or if we already know that `hostHasDomainSettings` is `true`.
1987 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
1988 hostHasDomainSettings = true;
1989 domainNameInDatabase = "*." + hostName;
1992 // Strip out the lowest subdomain of `host`.
1993 hostName = hostName.substring(hostName.indexOf(".") + 1);
1997 if (hostHasDomainSettings) { // The url we are loading has custom domain settings.
1998 // Get a cursor for the current host and move it to the first position.
1999 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2000 currentHostDomainSettingsCursor.moveToFirst();
2002 // Get the settings from the cursor.
2003 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2004 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2005 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2006 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2007 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2008 String userAgentString = (currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT)));
2009 int fontSize = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE)));
2011 // Close `currentHostDomainSettingsCursor`.
2012 currentHostDomainSettingsCursor.close();
2014 // Apply the domain settings.
2015 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2016 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2017 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2018 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2019 mainWebView.getSettings().setTextZoom(fontSize);
2021 // Set third-party cookies status if API >= 21.
2022 if (Build.VERSION.SDK_INT >= 21) {
2023 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2026 // Set the user agent.
2027 if (userAgentString.equals("WebView default user agent")) {
2028 // Set the user agent to `""`, which uses the default value.
2029 mainWebView.getSettings().setUserAgentString("");
2031 // Use the selected user agent.
2032 mainWebView.getSettings().setUserAgentString(userAgentString);
2035 // 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.
2036 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
2037 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2038 // Get the shared preference values. `this` references the current context.
2039 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2041 // Store the values from `sharedPreferences` in variables.
2042 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2043 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2044 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2045 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2046 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2047 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2048 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2049 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2051 // Apply the default settings.
2052 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2053 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2054 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2055 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2056 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2058 // Set third-party cookies status if API >= 21.
2059 if (Build.VERSION.SDK_INT >= 21) {
2060 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2063 // Set the default user agent.
2064 switch (userAgentString) {
2065 case "WebView default user agent":
2066 // Set the user agent to `""`, which uses the default value.
2067 mainWebView.getSettings().setUserAgentString("");
2070 case "Custom user agent":
2071 // Set the custom user agent.
2072 mainWebView.getSettings().setUserAgentString(customUserAgentString);
2076 // Use the selected user agent.
2077 mainWebView.getSettings().setUserAgentString(userAgentString);
2081 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2082 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
2085 // Close `domainsDatabaseHelper`.
2086 domainsDatabaseHelper.close();
2088 // Update the privacy icons, but only if `mainMenu` has already been populated.
2089 if (mainMenu != null) {
2090 updatePrivacyIcons(true);
2095 public void findPreviousOnPage(View view) {
2096 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2097 mainWebView.findNext(false);
2100 public void findNextOnPage(View view) {
2101 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2102 mainWebView.findNext(true);
2105 public void closeFindOnPage(View view) {
2106 // Delete the contents of `find_on_page_edittext`.
2107 findOnPageEditText.setText(null);
2109 // Clear the highlighted phrases.
2110 mainWebView.clearMatches();
2112 // Hide the Find on Page `RelativeLayout`.
2113 findOnPageLinearLayout.setVisibility(View.GONE);
2115 // Show the URL app bar.
2116 supportAppBar.setVisibility(View.VISIBLE);
2118 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2119 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2122 private void applyAppSettings() {
2123 // Get the shared preference values. `this` references the current context.
2124 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2126 // Store the values from `sharedPreferences` in variables.
2127 String javaScriptDisabledSearchString = sharedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q=");
2128 String javaScriptDisabledSearchCustomURLString = sharedPreferences.getString("javascript_disabled_search_custom_url", "");
2129 String javaScriptEnabledSearchString = sharedPreferences.getString("javascript_enabled_search", "https://duckduckgo.com/?q=");
2130 String javaScriptEnabledSearchCustomURLString = sharedPreferences.getString("javascript_enabled_search_custom_url", "");
2131 String homepageString = sharedPreferences.getString("homepage", "https://duckduckgo.com");
2132 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2133 String torJavaScriptDisabledSearchString = sharedPreferences.getString("tor_javascript_disabled_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2134 String torJavaScriptDisabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_disabled_search_custom_url", "");
2135 String torJavaScriptEnabledSearchString = sharedPreferences.getString("tor_javascript_enabled_search", "https://3g2upl4pq6kufc4m.onion/?q=");
2136 String torJavaScriptEnabledSearchCustomURLString = sharedPreferences.getString("tor_javascript_enabled_search_custom_url", "");
2137 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2138 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2139 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2140 proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2141 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("enable_full_screen_browsing_mode", false);
2142 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2143 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2144 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2146 // Set the homepage, search, and proxy options.
2147 if (proxyThroughOrbot) { // Set the Tor options.
2148 // Set `torHomepageString` as `homepage`.
2149 homepage = torHomepageString;
2151 // If formattedUrlString is null assign the homepage to it.
2152 if (formattedUrlString == null) {
2153 formattedUrlString = homepage;
2156 // Set JavaScript disabled search.
2157 if (torJavaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2158 javaScriptDisabledSearchURL = torJavaScriptDisabledSearchCustomURLString;
2159 } else { // Use the string from the pre-built list.
2160 javaScriptDisabledSearchURL = torJavaScriptDisabledSearchString;
2163 // Set JavaScript enabled search.
2164 if (torJavaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2165 javaScriptEnabledSearchURL = torJavaScriptEnabledSearchCustomURLString;
2166 } else { // Use the string from the pre-built list.
2167 javaScriptEnabledSearchURL = torJavaScriptEnabledSearchString;
2170 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2171 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2173 // Display a message to the user if we are waiting on Orbot.
2174 if (!orbotStatus.equals("ON")) {
2175 // Set `waitingForOrbot`.
2176 waitingForOrbot = true;
2178 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2179 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2181 } else { // Set the non-Tor options.
2182 // Set `homepageString` as `homepage`.
2183 homepage = homepageString;
2185 // If formattedUrlString is null assign the homepage to it.
2186 if (formattedUrlString == null) {
2187 formattedUrlString = homepage;
2190 // Set JavaScript disabled search.
2191 if (javaScriptDisabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2192 javaScriptDisabledSearchURL = javaScriptDisabledSearchCustomURLString;
2193 } else { // Use the string from the pre-built list.
2194 javaScriptDisabledSearchURL = javaScriptDisabledSearchString;
2197 // Set JavaScript enabled search.
2198 if (javaScriptEnabledSearchString.equals("Custom URL")) { // Get the custom URL string.
2199 javaScriptEnabledSearchURL = javaScriptEnabledSearchCustomURLString;
2200 } else { // Use the string from the pre-built list.
2201 javaScriptEnabledSearchURL = javaScriptEnabledSearchString;
2204 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2205 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2207 // Reset `waitingForOrbot.
2208 waitingForOrbot = false;
2211 // Set swipe to refresh.
2212 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2214 // Set Do Not Track status.
2215 if (doNotTrackEnabled) {
2216 customHeaders.put("DNT", "1");
2218 customHeaders.remove("DNT");
2221 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2222 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2223 if (hideSystemBarsOnFullscreen) { // Hide everything.
2224 // Remove the translucent navigation setting if it is currently flagged.
2225 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2227 // Remove the translucent status bar overlay.
2228 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2230 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2231 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2233 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2234 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2235 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2237 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2238 } else { // Hide everything except the status and navigation bars.
2239 // Add the translucent status flag if it is unset.
2240 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2242 if (translucentNavigationBarOnFullscreen) {
2243 // Set the navigation bar to be translucent.
2244 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2246 // Set the navigation bar to be black.
2247 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2250 } else { // Switch to normal viewing mode.
2251 // Reset `inFullScreenBrowsingMode` to `false`.
2252 inFullScreenBrowsingMode = false;
2254 // Show the `appBar`.
2257 // Show the `BannerAd` in the free flavor.
2258 if (BuildConfig.FLAVOR.contentEquals("free")) {
2259 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2260 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2262 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2263 adView = findViewById(R.id.adview);
2266 // Remove the translucent navigation bar flag if it is set.
2267 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2269 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2270 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2272 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2273 rootCoordinatorLayout.setSystemUiVisibility(0);
2275 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2276 rootCoordinatorLayout.setFitsSystemWindows(true);
2280 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2281 // Get handles for the icons.
2282 MenuItem privacyIcon = mainMenu.findItem(R.id.toggleJavaScript);
2283 MenuItem firstPartyCookiesIcon = mainMenu.findItem(R.id.toggleFirstPartyCookies);
2284 MenuItem domStorageIcon = mainMenu.findItem(R.id.toggleDomStorage);
2285 MenuItem formDataIcon = mainMenu.findItem(R.id.toggleSaveFormData);
2287 // Update `privacyIcon`.
2288 if (javaScriptEnabled) { // JavaScript is enabled.
2289 privacyIcon.setIcon(R.drawable.javascript_enabled);
2290 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2291 privacyIcon.setIcon(R.drawable.warning);
2292 } else { // All the dangerous features are disabled.
2293 privacyIcon.setIcon(R.drawable.privacy_mode);
2296 // Update `firstPartyCookiesIcon`.
2297 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2298 firstPartyCookiesIcon.setIcon(R.drawable.cookies_enabled);
2299 } else { // First-party cookies are disabled.
2300 firstPartyCookiesIcon.setIcon(R.drawable.cookies_disabled);
2303 // Update `domStorageIcon`.
2304 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2305 domStorageIcon.setIcon(R.drawable.dom_storage_enabled);
2306 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2307 domStorageIcon.setIcon(R.drawable.dom_storage_disabled);
2308 } else { // JavaScript is disabled, so DOM storage is ghosted.
2309 domStorageIcon.setIcon(R.drawable.dom_storage_ghosted);
2312 // Update `formDataIcon`.
2313 if (saveFormDataEnabled) { // Form data is enabled.
2314 formDataIcon.setIcon(R.drawable.form_data_enabled);
2315 } else { // Form data is disabled.
2316 formDataIcon.setIcon(R.drawable.form_data_disabled);
2319 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2320 if (runInvalidateOptionsMenu) {
2321 ActivityCompat.invalidateOptionsMenu(this);