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;
141 // `displayWebpageImagesBoolean` is public static so it can be accessed from `DomainSettingsFragment`. It is also used in `applyAppSettings` and `applyDomainSettings()`.
142 public static boolean displayWebpageImagesBoolean;
145 // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
146 private boolean navigatingHistory;
148 // `favoriteIconDefaultBitmap` is used in `onCreate()` and `applyDomainSettings`.
149 private Bitmap favoriteIconDefaultBitmap;
151 // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`.
152 private DrawerLayout drawerLayout;
154 // `rootCoordinatorLayout` is used in `onCreate()` and `applyAppSettings()`.
155 private CoordinatorLayout rootCoordinatorLayout;
157 // `mainWebView` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, `loadUrlFromTextBox()`
158 // and `setDisplayWebpageImages()`.
159 private WebView mainWebView;
161 // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
162 private FrameLayout fullScreenVideoFrameLayout;
164 // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
165 private SwipeRefreshLayout swipeRefreshLayout;
167 // `urlAppBarRelativeLayout` is used in `onCreate()` and `applyDomainSettings()`.
168 private RelativeLayout urlAppBarRelativeLayout;
170 // `favoriteIconImageView` is used in `onCreate()` and `applyDomainSettings()`
171 private ImageView favoriteIconImageView;
173 // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `loadUrlFromTextBox()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
174 private CookieManager cookieManager;
176 // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`.
177 private final Map<String, String> customHeaders = new HashMap<>();
179 // `javaScriptEnabled` is also used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `applyAppSettings()`.
180 // It is `Boolean` instead of `boolean` because `applyAppSettings()` needs to know if it is `null`.
181 private Boolean javaScriptEnabled;
183 // `firstPartyCookiesEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applyAppSettings()`.
184 private boolean firstPartyCookiesEnabled;
186 // `thirdPartyCookiesEnabled` used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
187 private boolean thirdPartyCookiesEnabled;
189 // `domStorageEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
190 private boolean domStorageEnabled;
192 // `saveFormDataEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
193 private boolean saveFormDataEnabled;
195 // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applyAppSettings()`.
196 private boolean swipeToRefreshEnabled;
198 // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applyAppSettings()`.
199 private String homepage;
201 // `searchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
202 private String searchURL;
204 // `adBlockerEnabled` is used in `onCreate()` and `applyAppSettings()`.
205 private boolean adBlockerEnabled;
207 // `privacyBrowserRuntime` is used in `onCreate()` and `applyAppSettings()`.
208 private Runtime privacyBrowserRuntime;
210 // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
211 private boolean incognitoModeEnabled;
213 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
214 private boolean fullScreenBrowsingModeEnabled;
216 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
217 private boolean inFullScreenBrowsingMode;
219 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
220 private boolean hideSystemBarsOnFullscreen;
222 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
223 private boolean translucentNavigationBarOnFullscreen;
225 // `currentDomainName` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
226 private String currentDomainName;
228 // `waitingForOrbot` is used in `onCreate()` and `applyAppSettings()`.
229 private boolean waitingForOrbot;
231 // `domainSettingsApplied` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
232 private boolean domainSettingsApplied;
234 // `displayWebpageImagesInt` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
235 private int displayWebpageImagesInt;
237 // `onTheFlyDisplayImagesSet` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
238 private boolean onTheFlyDisplayImagesSet;
240 // `loadingNewIntentBoolean` is used in `onNewIntent()` and `onRestart()`.
241 private boolean loadingNewIntentBoolean;
243 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
244 private String waitingForOrbotHTMLString;
246 // `privateDataDirectoryString` is used in `onCreate()` and `onNavigationItemSelected()`.
247 private String privateDataDirectoryString;
249 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
250 private LinearLayout findOnPageLinearLayout;
252 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
253 private EditText findOnPageEditText;
255 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
256 private Menu mainMenu;
258 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
259 private ActionBarDrawerToggle drawerToggle;
261 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
262 private Toolbar supportAppBar;
264 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `loadUrl()`.
265 private EditText urlTextBox;
267 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
270 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
271 private SslErrorHandler sslErrorHandler;
273 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
274 private InputMethodManager inputMethodManager;
276 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
277 private RelativeLayout mainWebViewRelativeLayout;
280 // 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.
281 @SuppressLint("SetJavaScriptEnabled")
282 protected void onCreate(Bundle savedInstanceState) {
283 super.onCreate(savedInstanceState);
284 setContentView(R.layout.main_drawerlayout);
286 // Get a handle for `inputMethodManager`.
287 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
289 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
290 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
291 setSupportActionBar(supportAppBar);
292 appBar = getSupportActionBar();
294 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
295 assert appBar != null;
297 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
298 appBar.setCustomView(R.layout.url_app_bar);
299 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
301 // Set the "go" button on the keyboard to load the URL in urlTextBox.
302 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
303 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
305 public boolean onKey(View v, int keyCode, KeyEvent event) {
306 // If the event is a key-down event on the `enter` button, load the URL.
307 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
308 // Load the URL into the mainWebView and consume the event.
310 loadUrlFromTextBox();
311 } catch (UnsupportedEncodingException e) {
314 // If the enter key was pressed, consume the event.
317 // If any other key was pressed, do not consume the event.
323 // Set `waitingForOrbotHTMLString`.
324 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
326 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
327 currentDomainName = "";
328 orbotStatus = "unknown";
329 waitingForOrbot = false;
331 // Create an Orbot status `BroadcastReceiver`.
332 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
334 public void onReceive(Context context, Intent intent) {
335 // Store the content of the status message in `orbotStatus`.
336 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
338 // If we are waiting on Orbot, load the website now that Orbot is connected.
339 if (orbotStatus.equals("ON") && waitingForOrbot) {
340 // Reset `waitingForOrbot`.
341 waitingForOrbot = false;
343 // Load `formattedUrlString
344 loadUrl(formattedUrlString);
349 // Register `orbotStatusBroadcastReceiver` on `this` context.
350 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
352 // Get handles for views that need to be accessed.
353 drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
354 rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
355 mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
356 mainWebView = (WebView) findViewById(R.id.main_webview);
357 findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
358 findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
359 fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
360 urlAppBarRelativeLayout = (RelativeLayout) findViewById(R.id.url_app_bar_relativelayout);
361 favoriteIconImageView = (ImageView) findViewById(R.id.favorite_icon);
363 // Create a double-tap listener to toggle full-screen mode.
364 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
365 // Override `onDoubleTap()`. All other events are handled using the default settings.
367 public boolean onDoubleTap(MotionEvent event) {
368 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
369 // Toggle `inFullScreenBrowsingMode`.
370 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
372 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
373 // Hide the `appBar`.
376 // Hide the `BannerAd` in the free flavor.
377 if (BuildConfig.FLAVOR.contentEquals("free")) {
378 BannerAd.hideAd(adView);
381 // Modify the system bars.
382 if (hideSystemBarsOnFullscreen) { // Hide everything.
383 // Remove the translucent overlays.
384 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
386 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
387 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
389 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
390 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
391 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
393 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
395 // Set `rootCoordinatorLayout` to fill the whole screen.
396 rootCoordinatorLayout.setFitsSystemWindows(false);
397 } else { // Hide everything except the status and navigation bars.
398 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
399 rootCoordinatorLayout.setFitsSystemWindows(false);
401 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.
402 // Set the navigation bar to be translucent.
403 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
406 } else { // Switch to normal viewing mode.
407 // Show the `appBar`.
410 // Show the `BannerAd` in the free flavor.
411 if (BuildConfig.FLAVOR.contentEquals("free")) {
412 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
413 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
415 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
416 adView = findViewById(R.id.adview);
419 // Remove the translucent navigation bar flag if it is set.
420 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
422 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
423 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
425 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
426 rootCoordinatorLayout.setSystemUiVisibility(0);
428 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
429 rootCoordinatorLayout.setFitsSystemWindows(true);
432 // Consume the double-tap.
434 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
440 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
441 mainWebView.setOnTouchListener(new View.OnTouchListener() {
443 public boolean onTouch(View v, MotionEvent event) {
444 // Send the `event` to `gestureDetector`.
445 return gestureDetector.onTouchEvent(event);
449 // Update `findOnPageCountTextView`.
450 mainWebView.setFindListener(new WebView.FindListener() {
451 // Get a handle for `findOnPageCountTextView`.
452 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
455 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
456 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
457 // Set `findOnPageCountTextView` to `0/0`.
458 findOnPageCountTextView.setText(R.string.zero_of_zero);
459 } else if (isDoneCounting) { // There are matches.
460 // `activeMatchOrdinal` is zero-based.
461 int activeMatch = activeMatchOrdinal + 1;
463 // Set `findOnPageCountTextView`.
464 findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
469 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
470 findOnPageEditText.addTextChangedListener(new TextWatcher() {
472 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
477 public void onTextChanged(CharSequence s, int start, int before, int count) {
482 public void afterTextChanged(Editable s) {
483 // Search for the text in `mainWebView`.
484 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
488 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
489 findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
491 public boolean onKey(View v, int keyCode, KeyEvent event) {
492 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
493 // Hide the soft keyboard. `0` indicates no additional flags.
494 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
496 // Consume the event.
498 } else { // A different key was pressed.
499 // Do not consume the event.
505 // Implement swipe to refresh
506 swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refreshlayout);
507 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
508 swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
510 public void onRefresh() {
511 mainWebView.reload();
515 // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
516 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
518 // Listen for touches on the navigation menu.
519 final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
520 navigationView.setNavigationItemSelectedListener(this);
522 // 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.
523 final Menu navigationMenu = navigationView.getMenu();
524 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
525 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
526 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
528 // The `DrawerListener` allows us to update the Navigation Menu.
529 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
531 public void onDrawerSlide(View drawerView, float slideOffset) {
535 public void onDrawerOpened(View drawerView) {
539 public void onDrawerClosed(View drawerView) {
543 public void onDrawerStateChanged(int newState) {
544 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
545 // Update the `Back`, `Forward`, and `History` menu items.
546 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
547 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
548 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
550 // Hide the keyboard so we can see the navigation menu. `0` indicates no additional flags.
551 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
556 // drawerToggle creates the hamburger icon at the start of the AppBar.
557 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
559 // Initialize `adServerSet`.
560 final Set<String> adServersSet = new HashSet<>();
562 // Load the list of ad servers into memory.
564 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
565 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
567 // Create a string for storing each ad server.
570 // Populate `adServersSet`.
571 while ((adServer = bufferedReader.readLine()) != null) {
572 adServersSet.add(adServer);
575 // Close `bufferedReader`.
576 bufferedReader.close();
577 } catch (IOException ioException) {
578 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
581 mainWebView.setWebViewClient(new WebViewClient() {
582 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
583 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
584 @SuppressWarnings("deprecation")
586 public boolean shouldOverrideUrlLoading(WebView view, String url) {
587 if (url.startsWith("mailto:")) { // Load the URL in an external email program because it begins with `mailto:`.
588 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
589 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
591 // Parse the url and set it as the data for the `Intent`.
592 emailIntent.setData(Uri.parse(url));
594 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
595 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
598 startActivity(emailIntent);
600 // Returning `true` indicates the application is handling the URL.
602 } else { // Load the URL in Privacy Browser.
603 // Apply the domain settings for the new URL.
604 applyDomainSettings(url);
606 // Returning `false` causes the current `WebView` to handle the URL and prevents it from adding redirects to the history list.
611 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
612 @SuppressWarnings("deprecation")
614 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
615 if (adBlockerEnabled) { // Block ads.
616 // Extract the host from `url`.
617 Uri requestUri = Uri.parse(url);
618 String requestHost = requestUri.getHost();
620 // Initialize a variable to track if this is an ad server.
621 boolean requestHostIsAdServer = false;
623 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
624 if (requestHost != null) {
625 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
626 if (adServersSet.contains(requestHost)) {
627 requestHostIsAdServer = true;
630 // Strip out the lowest subdomain of `requestHost`.
631 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
635 if (requestHostIsAdServer) { // It is an ad server.
636 // Return an empty `WebResourceResponse`.
637 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
638 } else { // It is not an ad server.
639 // `return null` loads the requested resource.
642 } else { // Ad blocking is disabled.
643 // `return null` loads the requested resource.
648 // Update the URL in urlTextBox when the page starts to load.
650 public void onPageStarted(WebView view, String url, Bitmap favicon) {
651 // Reset `webViewTitle`
652 webViewTitle = getString(R.string.no_title);
654 // Check to see if we are waiting on Orbot.
655 if (!waitingForOrbot) { // We are not waiting on Orbot, so we need to process the URL.
656 // 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.
657 formattedUrlString = url;
659 // Display the loading URL is the URL text box.
660 urlTextBox.setText(url);
662 // Apply any custom domain settings if the URL was loaded by navigating history.
663 if (navigatingHistory) {
664 applyDomainSettings(url);
669 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
671 public void onPageFinished(WebView view, String url) {
672 // Clear the cache and history if Incognito Mode is enabled.
673 if (incognitoModeEnabled) {
674 // Clear the cache. `true` includes disk files.
675 mainWebView.clearCache(true);
677 // Clear the back/forward history.
678 mainWebView.clearHistory();
680 // Manually delete cache folders.
682 // Delete the main `cache` folder.
683 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
685 // 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`.
686 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
687 } catch (IOException e) {
688 // Do nothing if an error is thrown.
692 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
693 if (!waitingForOrbot) {
694 // Check to see if `WebView` has set `url` to be `about:blank`.
695 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
696 // Set `formattedUrlString` to `""`.
697 formattedUrlString = "";
699 // Update `urlTextBox`.
700 urlTextBox.setText(formattedUrlString);
702 // Request focus for `urlTextBox`.
703 urlTextBox.requestFocus();
705 // Display the keyboard.
706 inputMethodManager.showSoftInput(urlTextBox, 0);
708 // Apply the domain settings.
709 applyDomainSettings(formattedUrlString);
710 } else { // `WebView` has loaded a webpage.
711 // Set `formattedUrlString`.
712 formattedUrlString = url;
714 // Only update `urlTextBox` if the user is not typing in it.
715 if (!urlTextBox.hasFocus()) {
716 urlTextBox.setText(formattedUrlString);
720 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
721 sslCertificate = mainWebView.getCertificate();
725 // Handle SSL Certificate errors.
727 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
728 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
729 sslErrorHandler = handler;
731 // Display the SSL error `AlertDialog`.
732 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
733 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
737 // Get a handle for the progress bar.
738 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
740 mainWebView.setWebChromeClient(new WebChromeClient() {
741 // Update the progress bar when a page is loading.
743 public void onProgressChanged(WebView view, int progress) {
744 progressBar.setProgress(progress);
745 if (progress < 100) {
746 progressBar.setVisibility(View.VISIBLE);
748 progressBar.setVisibility(View.GONE);
750 //Stop the `SwipeToRefresh` indicator if it is running
751 swipeRefreshLayout.setRefreshing(false);
755 // Set the favorite icon when it changes.
757 public void onReceivedIcon(WebView view, Bitmap icon) {
758 // Only update the favorite icon if the website has finished loading.
759 if (progressBar.getVisibility() == View.GONE) {
760 // Save a copy of the favorite icon.
761 favoriteIconBitmap = icon;
763 // Place the favorite icon in the appBar.
764 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
768 // Save a copy of the title when it changes.
770 public void onReceivedTitle(WebView view, String title) {
771 // Save a copy of the title.
772 webViewTitle = title;
775 // Enter full screen video
777 public void onShowCustomView(View view, CustomViewCallback callback) {
778 // Pause the ad if this is the free flavor.
779 if (BuildConfig.FLAVOR.contentEquals("free")) {
780 BannerAd.pauseAd(adView);
783 // Remove the translucent overlays.
784 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
786 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
787 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
789 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
790 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
791 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
793 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
795 // Set `rootCoordinatorLayout` to fill the entire screen.
796 rootCoordinatorLayout.setFitsSystemWindows(false);
798 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
799 fullScreenVideoFrameLayout.addView(view);
800 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
803 // Exit full screen video
804 public void onHideCustomView() {
805 // Hide `fullScreenVideoFrameLayout`.
806 fullScreenVideoFrameLayout.removeAllViews();
807 fullScreenVideoFrameLayout.setVisibility(View.GONE);
809 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
810 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
812 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
813 rootCoordinatorLayout.setFitsSystemWindows(true);
815 // Show the ad if this is the free flavor.
816 if (BuildConfig.FLAVOR.contentEquals("free")) {
817 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
818 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
820 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
821 adView = findViewById(R.id.adview);
826 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
827 registerForContextMenu(mainWebView);
829 // Allow the downloading of files.
830 mainWebView.setDownloadListener(new DownloadListener() {
832 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
833 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
834 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
835 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
839 // Allow pinch to zoom.
840 mainWebView.getSettings().setBuiltInZoomControls(true);
842 // Hide zoom controls.
843 mainWebView.getSettings().setDisplayZoomControls(false);
845 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
846 mainWebView.getSettings().setUseWideViewPort(true);
848 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
849 mainWebView.getSettings().setLoadWithOverviewMode(true);
851 // Initialize cookieManager.
852 cookieManager = CookieManager.getInstance();
854 // 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).
855 customHeaders.put("X-Requested-With", "");
857 // 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.
858 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
860 // Get the intent that started the app.
861 final Intent launchingIntent = getIntent();
863 // Extract the launching intent data as `launchingIntentUriData`.
864 final Uri launchingIntentUriData = launchingIntent.getData();
866 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
867 if (launchingIntentUriData != null) {
868 formattedUrlString = launchingIntentUriData.toString();
871 // Get a handle for the `Runtime`.
872 privacyBrowserRuntime = Runtime.getRuntime();
874 // Store the application's private data directory.
875 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`.
877 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
878 inFullScreenBrowsingMode = false;
880 // Initialize AdView for the free flavor.
881 adView = findViewById(R.id.adview);
883 // Initialize the privacy settings variables.
884 javaScriptEnabled = false;
885 firstPartyCookiesEnabled = false;
886 thirdPartyCookiesEnabled = false;
887 domStorageEnabled = false;
888 saveFormDataEnabled = false;
890 // Initialize `webViewTitle`.
891 webViewTitle = getString(R.string.no_title);
893 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
894 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
895 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
896 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
898 // If the favorite icon is null, load the default.
899 if (favoriteIconBitmap == null) {
900 favoriteIconBitmap = favoriteIconDefaultBitmap;
903 // Apply the app settings from the shared preferences.
906 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
907 if (!waitingForOrbot) {
908 loadUrl(formattedUrlString);
913 protected void onNewIntent(Intent intent) {
914 // Set `loadingNewIntentBoolean`.
915 loadingNewIntentBoolean = true;
917 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
920 if (intent.getData() != null) {
921 // Get the intent data and convert it to a string.
922 final Uri intentUriData = intent.getData();
923 formattedUrlString = intentUriData.toString();
926 // Close the navigation drawer if it is open.
927 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
928 drawerLayout.closeDrawer(GravityCompat.START);
932 loadUrl(formattedUrlString);
934 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
935 mainWebView.requestFocus();
939 public void onRestart() {
942 // Apply the app settings, which may have been changed in `SettingsActivity`.
945 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
946 updatePrivacyIcons(true);
948 // Set the display webpage images mode.
949 setDisplayWebpageImages();
951 // Only reload `mainWebView` if not loading a new intent and not waiting for Orbot.
952 if (!loadingNewIntentBoolean && !waitingForOrbot) {
953 // Reload the webpage to remove images if `setDisplayWebpageImages` has turned them off.
954 mainWebView.reload();
955 } else if (loadingNewIntentBoolean) { // Reset `loadingNewIntentBoolean` if this run comes from a new intent.
956 loadingNewIntentBoolean = false;
960 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
962 public void onResume() {
965 // Resume JavaScript (if enabled).
966 mainWebView.resumeTimers();
968 // Resume `mainWebView`.
969 mainWebView.onResume();
971 // Resume the adView for the free flavor.
972 if (BuildConfig.FLAVOR.contentEquals("free")) {
973 BannerAd.resumeAd(adView);
978 public void onPause() {
979 // Pause `mainWebView`.
980 mainWebView.onPause();
982 // Stop all JavaScript.
983 mainWebView.pauseTimers();
985 // Pause the adView or it will continue to consume resources in the background on the free flavor.
986 if (BuildConfig.FLAVOR.contentEquals("free")) {
987 BannerAd.pauseAd(adView);
994 public boolean onCreateOptionsMenu(Menu menu) {
995 // Inflate the menu; this adds items to the action bar if it is present.
996 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
998 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
1001 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
1002 updatePrivacyIcons(false);
1004 // Get handles for the menu items.
1005 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1006 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1007 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1008 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1010 // Only display third-party cookies if SDK >= 21
1011 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1013 // Get the shared preference values. `this` references the current context.
1014 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1016 // Set the status of the additional app bar icons. The default is `false`.
1017 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1018 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1019 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1020 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1021 } else { //Do not display the additional icons.
1022 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1023 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1024 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1031 public boolean onPrepareOptionsMenu(Menu menu) {
1032 // Get handles for the menu items.
1033 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1034 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1035 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1036 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1037 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1038 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1039 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1040 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1041 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1043 // Set the status of the menu item checkboxes.
1044 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1045 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1046 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1047 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1048 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1050 // Enable third-party cookies if first-party cookies are enabled.
1051 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1053 // Enable DOM Storage if JavaScript is enabled.
1054 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1056 // Enable Clear Cookies if there are any.
1057 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1059 // Enable Clear Form Data is there is any.
1060 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1061 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1063 // Initialize font size variables.
1064 int fontSize = mainWebView.getSettings().getTextZoom();
1065 String fontSizeTitle;
1066 MenuItem selectedFontSizeMenuItem;
1068 // Prepare the font size title and current size menu item.
1071 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.twenty_five_percent);
1072 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1076 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
1077 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1081 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1082 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1086 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1087 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1091 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1092 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1096 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1097 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1101 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1102 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1106 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1107 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1111 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1112 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1116 // Set the font size title and select the current size menu item.
1117 fontSizeMenuItem.setTitle(fontSizeTitle);
1118 selectedFontSizeMenuItem.setChecked(true);
1120 // Only show `Refresh` if `swipeToRefresh` is disabled.
1121 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1123 // Run all the other default commands.
1124 super.onPrepareOptionsMenu(menu);
1126 // `return true` displays the menu.
1131 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1132 @SuppressLint("SetJavaScriptEnabled")
1133 // removeAllCookies is deprecated, but it is required for API < 21.
1134 @SuppressWarnings("deprecation")
1135 public boolean onOptionsItemSelected(MenuItem menuItem) {
1136 int menuItemId = menuItem.getItemId();
1138 // Set the commands that relate to the menu entries.
1139 switch (menuItemId) {
1140 case R.id.toggle_javascript:
1141 // Switch the status of javaScriptEnabled.
1142 javaScriptEnabled = !javaScriptEnabled;
1144 // Apply the new JavaScript status.
1145 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1147 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1148 updatePrivacyIcons(true);
1150 // Display a `Snackbar`.
1151 if (javaScriptEnabled) { // JavaScrip is enabled.
1152 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1153 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1154 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1155 } else { // Privacy mode.
1156 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1159 // Reload the WebView.
1160 mainWebView.reload();
1163 case R.id.toggle_first_party_cookies:
1164 // Switch the status of firstPartyCookiesEnabled.
1165 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1167 // Update the menu checkbox.
1168 menuItem.setChecked(firstPartyCookiesEnabled);
1170 // Apply the new cookie status.
1171 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1173 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1174 updatePrivacyIcons(true);
1176 // Display a `Snackbar`.
1177 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1178 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1179 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1180 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1181 } else { // Privacy mode.
1182 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1185 // Reload the WebView.
1186 mainWebView.reload();
1189 case R.id.toggle_third_party_cookies:
1190 if (Build.VERSION.SDK_INT >= 21) {
1191 // Switch the status of thirdPartyCookiesEnabled.
1192 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1194 // Update the menu checkbox.
1195 menuItem.setChecked(thirdPartyCookiesEnabled);
1197 // Apply the new cookie status.
1198 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1200 // Display a `Snackbar`.
1201 if (thirdPartyCookiesEnabled) {
1202 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1204 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1207 // Reload the WebView.
1208 mainWebView.reload();
1209 } // Else do nothing because SDK < 21.
1212 case R.id.toggle_dom_storage:
1213 // Switch the status of domStorageEnabled.
1214 domStorageEnabled = !domStorageEnabled;
1216 // Update the menu checkbox.
1217 menuItem.setChecked(domStorageEnabled);
1219 // Apply the new DOM Storage status.
1220 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1222 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1223 updatePrivacyIcons(true);
1225 // Display a `Snackbar`.
1226 if (domStorageEnabled) {
1227 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1229 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1232 // Reload the WebView.
1233 mainWebView.reload();
1236 case R.id.toggle_save_form_data:
1237 // Switch the status of saveFormDataEnabled.
1238 saveFormDataEnabled = !saveFormDataEnabled;
1240 // Update the menu checkbox.
1241 menuItem.setChecked(saveFormDataEnabled);
1243 // Apply the new form data status.
1244 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1246 // Display a `Snackbar`.
1247 if (saveFormDataEnabled) {
1248 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1250 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1253 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1254 updatePrivacyIcons(true);
1256 // Reload the WebView.
1257 mainWebView.reload();
1260 case R.id.clear_cookies:
1261 if (Build.VERSION.SDK_INT < 21) {
1262 cookieManager.removeAllCookie();
1264 cookieManager.removeAllCookies(null);
1266 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
1269 case R.id.clear_dom_storage:
1270 WebStorage webStorage = WebStorage.getInstance();
1271 webStorage.deleteAllData();
1272 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
1275 case R.id.clear_form_data:
1276 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1277 mainWebViewDatabase.clearFormData();
1278 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
1281 case R.id.font_size_twenty_five_percent:
1282 mainWebView.getSettings().setTextZoom(25);
1285 case R.id.font_size_fifty_percent:
1286 mainWebView.getSettings().setTextZoom(50);
1289 case R.id.font_size_seventy_five_percent:
1290 mainWebView.getSettings().setTextZoom(75);
1293 case R.id.font_size_one_hundred_percent:
1294 mainWebView.getSettings().setTextZoom(100);
1297 case R.id.font_size_one_hundred_twenty_five_percent:
1298 mainWebView.getSettings().setTextZoom(125);
1301 case R.id.font_size_one_hundred_fifty_percent:
1302 mainWebView.getSettings().setTextZoom(150);
1305 case R.id.font_size_one_hundred_seventy_five_percent:
1306 mainWebView.getSettings().setTextZoom(175);
1309 case R.id.font_size_two_hundred_percent:
1310 mainWebView.getSettings().setTextZoom(200);
1313 case R.id.display_images:
1314 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1315 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1316 mainWebView.reload();
1317 } else { // Images are not currently loaded automatically.
1318 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1321 // Set `onTheFlyDisplayImagesSet`.
1322 onTheFlyDisplayImagesSet = true;
1326 // Setup the share string.
1328 if (webViewTitle != null) {
1329 shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1331 shareString = urlTextBox.getText().toString();
1334 // Create the share intent.
1335 Intent shareIntent = new Intent();
1336 shareIntent.setAction(Intent.ACTION_SEND);
1337 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1338 shareIntent.setType("text/plain");
1341 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1344 case R.id.find_on_page:
1345 // Hide the URL app bar.
1346 supportAppBar.setVisibility(View.GONE);
1348 // Show the Find on Page `RelativeLayout`.
1349 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1351 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1352 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1353 findOnPageEditText.postDelayed(new Runnable()
1358 // Set the focus on `findOnPageEditText`.
1359 findOnPageEditText.requestFocus();
1361 // Display the keyboard.
1362 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1368 // Get a `PrintManager` instance.
1369 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1371 // Convert `mainWebView` to `printDocumentAdapter`.
1372 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1374 // Print the document. The print attributes are `null`.
1375 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1378 case R.id.add_to_homescreen:
1379 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1380 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1381 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1383 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1387 mainWebView.reload();
1391 // Don't consume the event.
1392 return super.onOptionsItemSelected(menuItem);
1396 // removeAllCookies is deprecated, but it is required for API < 21.
1397 @SuppressWarnings("deprecation")
1399 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1400 int menuItemId = menuItem.getItemId();
1402 switch (menuItemId) {
1408 if (mainWebView.canGoBack()) {
1409 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1410 navigatingHistory = true;
1412 // Load the previous website in the history.
1413 mainWebView.goBack();
1418 if (mainWebView.canGoForward()) {
1419 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1420 navigatingHistory = true;
1422 // Load the next website in the history.
1423 mainWebView.goForward();
1428 // Get the `WebBackForwardList`.
1429 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1431 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1432 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1433 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1436 case R.id.bookmarks:
1437 // Launch BookmarksActivity.
1438 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1439 startActivity(bookmarksIntent);
1442 case R.id.downloads:
1443 // Launch the system Download Manager.
1444 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1446 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1447 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1449 startActivity(downloadManagerIntent);
1453 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1454 currentDomainName = "";
1456 // Launch `SettingsActivity`.
1457 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1458 startActivity(settingsIntent);
1462 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1463 currentDomainName = "";
1465 // Launch `DomainsActivity`.
1466 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1467 startActivity(domainsIntent);
1471 // Launch `GuideActivity`.
1472 Intent guideIntent = new Intent(this, GuideActivity.class);
1473 startActivity(guideIntent);
1477 // Launch `AboutActivity`.
1478 Intent aboutIntent = new Intent(this, AboutActivity.class);
1479 startActivity(aboutIntent);
1482 case R.id.clearAndExit:
1483 // Clear cookies. The commands changed slightly in API 21.
1484 if (Build.VERSION.SDK_INT >= 21) {
1485 cookieManager.removeAllCookies(null);
1487 cookieManager.removeAllCookie();
1490 // Clear DOM storage.
1491 WebStorage domStorage = WebStorage.getInstance();
1492 domStorage.deleteAllData();
1495 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1496 webViewDatabase.clearFormData();
1498 // Clear the cache. `true` includes disk files.
1499 mainWebView.clearCache(true);
1501 // Clear the back/forward history.
1502 mainWebView.clearHistory();
1504 // Clear any SSL certificate preferences.
1505 mainWebView.clearSslPreferences();
1507 // Clear `formattedUrlString`.
1508 formattedUrlString = null;
1510 // Clear `customHeaders`.
1511 customHeaders.clear();
1513 // Detach all views from `mainWebViewRelativeLayout`.
1514 mainWebViewRelativeLayout.removeAllViews();
1516 // Destroy the internal state of `mainWebView`.
1517 mainWebView.destroy();
1519 // Manually delete cache folders.
1521 // Delete the main `cache` folder.
1522 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1524 // 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`.
1525 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
1526 } catch (IOException e) {
1527 // Do nothing if an error is thrown.
1530 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1531 if (Build.VERSION.SDK_INT >= 21) {
1532 finishAndRemoveTask();
1537 // Remove the terminated program from RAM. The status code is `0`.
1545 // Close the navigation drawer.
1546 drawerLayout.closeDrawer(GravityCompat.START);
1551 public void onPostCreate(Bundle savedInstanceState) {
1552 super.onPostCreate(savedInstanceState);
1554 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1555 drawerToggle.syncState();
1559 public void onConfigurationChanged(Configuration newConfig) {
1560 super.onConfigurationChanged(newConfig);
1562 // Reload the ad for the free flavor if we are not in full screen mode.
1563 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1565 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1567 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1568 adView = findViewById(R.id.adview);
1571 // `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
1572 // ActivityCompat.invalidateOptionsMenu(this);
1576 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1577 // Store the `HitTestResult`.
1578 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1581 final String imageUrl;
1582 final String linkUrl;
1584 // Get a handle for the `ClipboardManager`.
1585 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1587 switch (hitTestResult.getType()) {
1588 // `SRC_ANCHOR_TYPE` is a link.
1589 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1590 // Get the target URL.
1591 linkUrl = hitTestResult.getExtra();
1593 // Set the target URL as the title of the `ContextMenu`.
1594 menu.setHeaderTitle(linkUrl);
1596 // Add a `Load URL` entry.
1597 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1599 public boolean onMenuItemClick(MenuItem item) {
1605 // Add a `Copy URL` entry.
1606 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1608 public boolean onMenuItemClick(MenuItem item) {
1609 // Save the link URL in a `ClipData`.
1610 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1612 // Set the `ClipData` as the clipboard's primary clip.
1613 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1618 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1619 menu.add(R.string.cancel);
1622 case WebView.HitTestResult.EMAIL_TYPE:
1623 // Get the target URL.
1624 linkUrl = hitTestResult.getExtra();
1626 // Set the target URL as the title of the `ContextMenu`.
1627 menu.setHeaderTitle(linkUrl);
1629 // Add a `Write Email` entry.
1630 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1632 public boolean onMenuItemClick(MenuItem item) {
1633 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1634 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1636 // Parse the url and set it as the data for the `Intent`.
1637 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1639 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1640 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1643 startActivity(emailIntent);
1648 // Add a `Copy Email Address` entry.
1649 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1651 public boolean onMenuItemClick(MenuItem item) {
1652 // Save the email address in a `ClipData`.
1653 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1655 // Set the `ClipData` as the clipboard's primary clip.
1656 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1661 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1662 menu.add(R.string.cancel);
1665 // `IMAGE_TYPE` is an image.
1666 case WebView.HitTestResult.IMAGE_TYPE:
1667 // Get the image URL.
1668 imageUrl = hitTestResult.getExtra();
1670 // Set the image URL as the title of the `ContextMenu`.
1671 menu.setHeaderTitle(imageUrl);
1673 // Add a `View Image` entry.
1674 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1676 public boolean onMenuItemClick(MenuItem item) {
1682 // Add a `Download Image` entry.
1683 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1685 public boolean onMenuItemClick(MenuItem item) {
1686 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1687 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1688 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1693 // Add a `Copy URL` entry.
1694 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1696 public boolean onMenuItemClick(MenuItem item) {
1697 // Save the image URL in a `ClipData`.
1698 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1700 // Set the `ClipData` as the clipboard's primary clip.
1701 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1706 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1707 menu.add(R.string.cancel);
1711 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1712 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1713 // Get the image URL.
1714 imageUrl = hitTestResult.getExtra();
1716 // Set the image URL as the title of the `ContextMenu`.
1717 menu.setHeaderTitle(imageUrl);
1719 // Add a `View Image` entry.
1720 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1722 public boolean onMenuItemClick(MenuItem item) {
1728 // Add a `Download Image` entry.
1729 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1731 public boolean onMenuItemClick(MenuItem item) {
1732 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1733 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1734 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1739 // Add a `Copy URL` entry.
1740 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1742 public boolean onMenuItemClick(MenuItem item) {
1743 // Save the image URL in a `ClipData`.
1744 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1746 // Set the `ClipData` as the clipboard's primary clip.
1747 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1752 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1753 menu.add(R.string.cancel);
1759 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1760 // Get shortcutNameEditText from the alert dialog.
1761 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1763 // Create the bookmark shortcut based on formattedUrlString.
1764 Intent bookmarkShortcut = new Intent();
1765 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1766 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1768 // Place the bookmark shortcut on the home screen.
1769 Intent placeBookmarkShortcut = new Intent();
1770 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1771 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1772 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1773 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1774 sendBroadcast(placeBookmarkShortcut);
1778 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1779 // Download the image if it has an HTTP or HTTPS URI.
1780 if (imageUrl.startsWith("http")) {
1781 // Get a handle for the system `DOWNLOAD_SERVICE`.
1782 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1784 // Parse `imageUrl`.
1785 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1787 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1788 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
1789 if (firstPartyCookiesEnabled) {
1790 // Get the cookies for `imageUrl`.
1791 String cookies = cookieManager.getCookie(imageUrl);
1793 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1794 downloadRequest.addRequestHeader("Cookie", cookies);
1797 // Get the file name from `dialogFragment`.
1798 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1799 String imageName = downloadImageNameEditText.getText().toString();
1801 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1802 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1803 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1804 } else { // Only set the title using `imageName`.
1805 downloadRequest.setTitle(imageName);
1808 // Allow `MediaScanner` to index the download if it is a media file.
1809 downloadRequest.allowScanningByMediaScanner();
1811 // Add the URL as the description for the download.
1812 downloadRequest.setDescription(imageUrl);
1814 // Show the download notification after the download is completed.
1815 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1817 // Initiate the download.
1818 downloadManager.enqueue(downloadRequest);
1819 } else { // The image is not an HTTP or HTTPS URI.
1820 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
1825 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
1826 // Download the file if it has an HTTP or HTTPS URI.
1827 if (downloadUrl.startsWith("http")) {
1829 // Get a handle for the system `DOWNLOAD_SERVICE`.
1830 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1832 // Parse `downloadUrl`.
1833 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
1835 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
1836 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
1837 if (firstPartyCookiesEnabled) {
1838 // Get the cookies for `downloadUrl`.
1839 String cookies = cookieManager.getCookie(downloadUrl);
1841 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1842 downloadRequest.addRequestHeader("Cookie", cookies);
1845 // Get the file name from `dialogFragment`.
1846 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
1847 String fileName = downloadFileNameEditText.getText().toString();
1849 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1850 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
1851 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
1852 } else { // Only set the title using `fileName`.
1853 downloadRequest.setTitle(fileName);
1856 // Allow `MediaScanner` to index the download if it is a media file.
1857 downloadRequest.allowScanningByMediaScanner();
1859 // Add the URL as the description for the download.
1860 downloadRequest.setDescription(downloadUrl);
1862 // Show the download notification after the download is completed.
1863 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1865 // Initiate the download.
1866 downloadManager.enqueue(downloadRequest);
1867 } else { // The download is not an HTTP or HTTPS URI.
1868 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
1872 public void viewSslCertificate(View view) {
1873 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
1874 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
1875 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
1879 public void onSslErrorCancel() {
1880 sslErrorHandler.cancel();
1884 public void onSslErrorProceed() {
1885 sslErrorHandler.proceed();
1889 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
1890 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1891 navigatingHistory = true;
1893 // Load the history entry.
1894 mainWebView.goBackOrForward(moveBackOrForwardSteps);
1898 public void onClearHistory() {
1899 // Clear the history.
1900 mainWebView.clearHistory();
1903 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
1905 public void onBackPressed() {
1906 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
1907 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1908 drawerLayout.closeDrawer(GravityCompat.START);
1910 // Load the previous URL if available.
1911 if (mainWebView.canGoBack()) {
1912 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1913 navigatingHistory = true;
1916 mainWebView.goBack();
1918 // Pass `onBackPressed()` to the system.
1919 super.onBackPressed();
1924 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
1925 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
1926 String unformattedUrlString = urlTextBox.getText().toString().trim();
1928 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
1929 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
1930 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
1931 if (!unformattedUrlString.startsWith("http")) {
1932 unformattedUrlString = "http://" + unformattedUrlString;
1935 // Initialize `unformattedUrl`.
1936 URL unformattedUrl = null;
1938 // 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.
1940 unformattedUrl = new URL(unformattedUrlString);
1941 } catch (MalformedURLException e) {
1942 e.printStackTrace();
1945 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
1946 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
1947 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
1948 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
1949 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
1950 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
1953 Uri.Builder formattedUri = new Uri.Builder();
1954 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
1956 // Decode `formattedUri` as a `String` in `UTF-8`.
1957 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
1959 // Sanitize the search input and convert it to a search.
1960 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
1962 // Add the base search URL.
1963 formattedUrlString = searchURL + encodedUrlString;
1966 loadUrl(formattedUrlString);
1968 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1969 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1973 private void loadUrl(String url) {
1974 // Apply any custom domain settings.
1975 applyDomainSettings(url);
1978 mainWebView.loadUrl(url, customHeaders);
1981 public void findPreviousOnPage(View view) {
1982 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
1983 mainWebView.findNext(false);
1986 public void findNextOnPage(View view) {
1987 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
1988 mainWebView.findNext(true);
1991 public void closeFindOnPage(View view) {
1992 // Delete the contents of `find_on_page_edittext`.
1993 findOnPageEditText.setText(null);
1995 // Clear the highlighted phrases.
1996 mainWebView.clearMatches();
1998 // Hide the Find on Page `RelativeLayout`.
1999 findOnPageLinearLayout.setVisibility(View.GONE);
2001 // Show the URL app bar.
2002 supportAppBar.setVisibility(View.VISIBLE);
2004 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2005 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2008 private void applyAppSettings() {
2009 // Get the shared preference values. `this` references the current context.
2010 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2012 // Store the values from `sharedPreferences` in variables.
2013 String homepageString = sharedPreferences.getString("homepage", "https://duckduckgo.com");
2014 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2015 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2016 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2017 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2018 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2019 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2020 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2021 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2022 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2023 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2024 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2025 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2026 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2027 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2029 // Set the homepage, search, and proxy options.
2030 if (proxyThroughOrbot) { // Set the Tor options.
2031 // Set `torHomepageString` as `homepage`.
2032 homepage = torHomepageString;
2034 // If formattedUrlString is null assign the homepage to it.
2035 if (formattedUrlString == null) {
2036 formattedUrlString = homepage;
2039 // Set the search URL.
2040 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2041 searchURL = torSearchCustomURLString;
2042 } else { // Use the string from the pre-built list.
2043 searchURL = torSearchString;
2046 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2047 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2049 // Display a message to the user if we are waiting on Orbot.
2050 if (!orbotStatus.equals("ON")) {
2051 // Set `waitingForOrbot`.
2052 waitingForOrbot = true;
2054 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2055 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2057 } else { // Set the non-Tor options.
2058 // Set `homepageString` as `homepage`.
2059 homepage = homepageString;
2061 // If formattedUrlString is null assign the homepage to it.
2062 if (formattedUrlString == null) {
2063 formattedUrlString = homepage;
2066 // Set the search URL.
2067 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2068 searchURL = searchCustomURLString;
2069 } else { // Use the string from the pre-built list.
2070 searchURL = searchString;
2073 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2074 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2076 // Reset `waitingForOrbot.
2077 waitingForOrbot = false;
2080 // Set swipe to refresh.
2081 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2083 // Set Do Not Track status.
2084 if (doNotTrackEnabled) {
2085 customHeaders.put("DNT", "1");
2087 customHeaders.remove("DNT");
2090 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2091 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2092 if (hideSystemBarsOnFullscreen) { // Hide everything.
2093 // Remove the translucent navigation setting if it is currently flagged.
2094 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2096 // Remove the translucent status bar overlay.
2097 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2099 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2100 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2102 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2103 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2104 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2106 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2107 } else { // Hide everything except the status and navigation bars.
2108 // Add the translucent status flag if it is unset.
2109 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2111 if (translucentNavigationBarOnFullscreen) {
2112 // Set the navigation bar to be translucent.
2113 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2115 // Set the navigation bar to be black.
2116 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2119 } else { // Switch to normal viewing mode.
2120 // Reset `inFullScreenBrowsingMode` to `false`.
2121 inFullScreenBrowsingMode = false;
2123 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2124 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2128 // Show the `BannerAd` in the free flavor.
2129 if (BuildConfig.FLAVOR.contentEquals("free")) {
2130 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2131 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2133 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2134 adView = findViewById(R.id.adview);
2137 // Remove the translucent navigation bar flag if it is set.
2138 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2140 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2141 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2143 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2144 rootCoordinatorLayout.setSystemUiVisibility(0);
2146 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2147 rootCoordinatorLayout.setFitsSystemWindows(true);
2151 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2152 @SuppressWarnings("deprecation")
2153 private void applyDomainSettings(String url) {
2154 // Reset `navigatingHistory`.
2155 navigatingHistory = false;
2157 // Parse the URL into a URI.
2158 Uri uri = Uri.parse(url);
2160 // Extract the domain from `uri`.
2161 String hostName = uri.getHost();
2163 // Initialize `loadingNewDomainName`.
2164 boolean loadingNewDomainName;
2166 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
2167 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
2168 //noinspection SimplifiableIfStatement
2169 if ((hostName == null) || (currentDomainName == null)) {
2170 loadingNewDomainName = true;
2171 } else { // Determine if `hostName` equals `currentDomainName`.
2172 loadingNewDomainName = !hostName.equals(currentDomainName);
2175 // 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.
2176 if (loadingNewDomainName) {
2177 // Set the new `hostname` as the `currentDomainName`.
2178 currentDomainName = hostName;
2180 // Reset `favoriteIconBitmap` and display it in the `appbar`.
2181 favoriteIconBitmap = favoriteIconDefaultBitmap;
2182 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
2184 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2185 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2186 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2188 // Get a full cursor from `domainsDatabaseHelper`.
2189 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
2191 // Initialize `domainSettingsSet`.
2192 Set<String> domainSettingsSet = new HashSet<>();
2194 // Get the domain name column index.
2195 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
2197 // Populate `domainSettingsSet`.
2198 for (int i = 0; i < domainNameCursor.getCount(); i++) {
2199 // Move `domainsCursor` to the current row.
2200 domainNameCursor.moveToPosition(i);
2202 // Store the domain name in `domainSettingsSet`.
2203 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
2206 // Close `domainNameCursor.
2207 domainNameCursor.close();
2209 // Initialize variables to track if domain settings will be applied and, if so, under which name.
2210 domainSettingsApplied = false;
2211 String domainNameInDatabase = null;
2213 // Check the hostname.
2214 if (domainSettingsSet.contains(hostName)) {
2215 domainSettingsApplied = true;
2216 domainNameInDatabase = hostName;
2219 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
2220 if (hostName != null) {
2221 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
2222 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
2223 domainSettingsApplied = true;
2224 domainNameInDatabase = "*." + hostName;
2227 // Strip out the lowest subdomain of `host`.
2228 hostName = hostName.substring(hostName.indexOf(".") + 1);
2232 // Get a handle for the shared preference. `this` references the current context.
2233 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2235 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
2236 // Get a cursor for the current host and move it to the first position.
2237 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2238 currentHostDomainSettingsCursor.moveToFirst();
2240 // Get the settings from the cursor.
2241 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2242 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2243 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2244 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2245 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2246 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
2247 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
2248 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
2250 // Close `currentHostDomainSettingsCursor`.
2251 currentHostDomainSettingsCursor.close();
2253 // Apply the domain settings.
2254 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2255 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2256 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2257 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2258 mainWebView.getSettings().setTextZoom(fontSize);
2260 // Set third-party cookies status if API >= 21.
2261 if (Build.VERSION.SDK_INT >= 21) {
2262 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2265 // Set the user agent.
2266 if (userAgentString.equals("WebView default user agent")) {
2267 // Set the user agent to `""`, which uses the default value.
2268 mainWebView.getSettings().setUserAgentString("");
2270 // Use the selected user agent.
2271 mainWebView.getSettings().setUserAgentString(userAgentString);
2274 // 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.
2275 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
2276 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2277 // Store the values from `sharedPreferences` in variables.
2278 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2279 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2280 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2281 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2282 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2283 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2284 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2285 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2287 // Apply the default settings.
2288 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2289 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2290 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2291 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2292 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2294 // Set third-party cookies status if API >= 21.
2295 if (Build.VERSION.SDK_INT >= 21) {
2296 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2299 // Set the default user agent.
2300 switch (userAgentString) {
2301 case "WebView default user agent":
2302 // Set the user agent to `""`, which uses the default value.
2303 mainWebView.getSettings().setUserAgentString("");
2306 case "Custom user agent":
2307 // Set the custom user agent.
2308 mainWebView.getSettings().setUserAgentString(customUserAgentString);
2312 // Use the selected user agent.
2313 mainWebView.getSettings().setUserAgentString(userAgentString);
2317 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2318 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
2321 // Close `domainsDatabaseHelper`.
2322 domainsDatabaseHelper.close();
2324 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
2325 onTheFlyDisplayImagesSet = false;
2326 setDisplayWebpageImages();
2328 // Update the privacy icons, but only if `mainMenu` has already been populated.
2329 if (mainMenu != null) {
2330 updatePrivacyIcons(true);
2335 private void setDisplayWebpageImages() {
2336 if (!onTheFlyDisplayImagesSet) {
2337 if (domainSettingsApplied) { // Custom domain settings are applied.
2338 switch (displayWebpageImagesInt) {
2339 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
2340 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2343 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
2344 mainWebView.getSettings().setLoadsImagesAutomatically(true);
2347 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
2348 mainWebView.getSettings().setLoadsImagesAutomatically(false);
2351 } else { // Default settings are applied.
2352 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2357 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2358 // Get handles for the icons.
2359 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
2360 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
2361 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
2362 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
2364 // Update `privacyIcon`.
2365 if (javaScriptEnabled) { // JavaScript is enabled.
2366 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
2367 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2368 privacyIconMenuItem.setIcon(R.drawable.warning);
2369 } else { // All the dangerous features are disabled.
2370 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
2373 // Update `firstPartyCookiesIcon`.
2374 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2375 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
2376 } else { // First-party cookies are disabled.
2377 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled);
2380 // Update `domStorageIcon`.
2381 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2382 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
2383 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2384 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled);
2385 } else { // JavaScript is disabled, so DOM storage is ghosted.
2386 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted);
2389 // Update `formDataIcon`.
2390 if (saveFormDataEnabled) { // Form data is enabled.
2391 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
2392 } else { // Form data is disabled.
2393 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled);
2396 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2397 if (runInvalidateOptionsMenu) {
2398 ActivityCompat.invalidateOptionsMenu(this);