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.
952 if (!loadingNewIntentBoolean) {
953 // Reload the webpage to remove images if `setDisplayWebpageImages` has turned them off.
954 mainWebView.reload();
956 // Reset `loadingNewIntentBoolean`.
957 loadingNewIntentBoolean = false;
961 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
963 public void onResume() {
966 // Resume JavaScript (if enabled).
967 mainWebView.resumeTimers();
969 // Resume `mainWebView`.
970 mainWebView.onResume();
972 // Resume the adView for the free flavor.
973 if (BuildConfig.FLAVOR.contentEquals("free")) {
974 BannerAd.resumeAd(adView);
979 public void onPause() {
980 // Pause `mainWebView`.
981 mainWebView.onPause();
983 // Stop all JavaScript.
984 mainWebView.pauseTimers();
986 // Pause the adView or it will continue to consume resources in the background on the free flavor.
987 if (BuildConfig.FLAVOR.contentEquals("free")) {
988 BannerAd.pauseAd(adView);
995 public boolean onCreateOptionsMenu(Menu menu) {
996 // Inflate the menu; this adds items to the action bar if it is present.
997 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
999 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
1002 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
1003 updatePrivacyIcons(false);
1005 // Get handles for the menu items.
1006 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1007 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1008 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1009 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1011 // Only display third-party cookies if SDK >= 21
1012 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1014 // Get the shared preference values. `this` references the current context.
1015 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1017 // Set the status of the additional app bar icons. The default is `false`.
1018 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1019 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1020 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1021 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1022 } else { //Do not display the additional icons.
1023 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1024 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1025 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1032 public boolean onPrepareOptionsMenu(Menu menu) {
1033 // Get handles for the menu items.
1034 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1035 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1036 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1037 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1038 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1039 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1040 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1041 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1042 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1044 // Set the status of the menu item checkboxes.
1045 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1046 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1047 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1048 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1049 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1051 // Enable third-party cookies if first-party cookies are enabled.
1052 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1054 // Enable DOM Storage if JavaScript is enabled.
1055 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1057 // Enable Clear Cookies if there are any.
1058 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1060 // Enable Clear Form Data is there is any.
1061 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1062 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1064 // Initialize font size variables.
1065 int fontSize = mainWebView.getSettings().getTextZoom();
1066 String fontSizeTitle;
1067 MenuItem selectedFontSizeMenuItem;
1069 // Prepare the font size title and current size menu item.
1072 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.twenty_five_percent);
1073 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1077 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
1078 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1082 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1083 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1087 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1088 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1092 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1093 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1097 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1098 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1102 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1103 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1107 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1108 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1112 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1113 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1117 // Set the font size title and select the current size menu item.
1118 fontSizeMenuItem.setTitle(fontSizeTitle);
1119 selectedFontSizeMenuItem.setChecked(true);
1121 // Only show `Refresh` if `swipeToRefresh` is disabled.
1122 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1124 // Run all the other default commands.
1125 super.onPrepareOptionsMenu(menu);
1127 // `return true` displays the menu.
1132 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1133 @SuppressLint("SetJavaScriptEnabled")
1134 // removeAllCookies is deprecated, but it is required for API < 21.
1135 @SuppressWarnings("deprecation")
1136 public boolean onOptionsItemSelected(MenuItem menuItem) {
1137 int menuItemId = menuItem.getItemId();
1139 // Set the commands that relate to the menu entries.
1140 switch (menuItemId) {
1141 case R.id.toggle_javascript:
1142 // Switch the status of javaScriptEnabled.
1143 javaScriptEnabled = !javaScriptEnabled;
1145 // Apply the new JavaScript status.
1146 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1148 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1149 updatePrivacyIcons(true);
1151 // Display a `Snackbar`.
1152 if (javaScriptEnabled) { // JavaScrip is enabled.
1153 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1154 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1155 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1156 } else { // Privacy mode.
1157 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1160 // Reload the WebView.
1161 mainWebView.reload();
1164 case R.id.toggle_first_party_cookies:
1165 // Switch the status of firstPartyCookiesEnabled.
1166 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1168 // Update the menu checkbox.
1169 menuItem.setChecked(firstPartyCookiesEnabled);
1171 // Apply the new cookie status.
1172 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1174 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1175 updatePrivacyIcons(true);
1177 // Display a `Snackbar`.
1178 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1179 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1180 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1181 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1182 } else { // Privacy mode.
1183 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1186 // Reload the WebView.
1187 mainWebView.reload();
1190 case R.id.toggle_third_party_cookies:
1191 if (Build.VERSION.SDK_INT >= 21) {
1192 // Switch the status of thirdPartyCookiesEnabled.
1193 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1195 // Update the menu checkbox.
1196 menuItem.setChecked(thirdPartyCookiesEnabled);
1198 // Apply the new cookie status.
1199 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1201 // Display a `Snackbar`.
1202 if (thirdPartyCookiesEnabled) {
1203 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1205 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1208 // Reload the WebView.
1209 mainWebView.reload();
1210 } // Else do nothing because SDK < 21.
1213 case R.id.toggle_dom_storage:
1214 // Switch the status of domStorageEnabled.
1215 domStorageEnabled = !domStorageEnabled;
1217 // Update the menu checkbox.
1218 menuItem.setChecked(domStorageEnabled);
1220 // Apply the new DOM Storage status.
1221 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1223 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1224 updatePrivacyIcons(true);
1226 // Display a `Snackbar`.
1227 if (domStorageEnabled) {
1228 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1230 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1233 // Reload the WebView.
1234 mainWebView.reload();
1237 case R.id.toggle_save_form_data:
1238 // Switch the status of saveFormDataEnabled.
1239 saveFormDataEnabled = !saveFormDataEnabled;
1241 // Update the menu checkbox.
1242 menuItem.setChecked(saveFormDataEnabled);
1244 // Apply the new form data status.
1245 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1247 // Display a `Snackbar`.
1248 if (saveFormDataEnabled) {
1249 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1251 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1254 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1255 updatePrivacyIcons(true);
1257 // Reload the WebView.
1258 mainWebView.reload();
1261 case R.id.clear_cookies:
1262 if (Build.VERSION.SDK_INT < 21) {
1263 cookieManager.removeAllCookie();
1265 cookieManager.removeAllCookies(null);
1267 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
1270 case R.id.clear_dom_storage:
1271 WebStorage webStorage = WebStorage.getInstance();
1272 webStorage.deleteAllData();
1273 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
1276 case R.id.clear_form_data:
1277 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1278 mainWebViewDatabase.clearFormData();
1279 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
1282 case R.id.font_size_twenty_five_percent:
1283 mainWebView.getSettings().setTextZoom(25);
1286 case R.id.font_size_fifty_percent:
1287 mainWebView.getSettings().setTextZoom(50);
1290 case R.id.font_size_seventy_five_percent:
1291 mainWebView.getSettings().setTextZoom(75);
1294 case R.id.font_size_one_hundred_percent:
1295 mainWebView.getSettings().setTextZoom(100);
1298 case R.id.font_size_one_hundred_twenty_five_percent:
1299 mainWebView.getSettings().setTextZoom(125);
1302 case R.id.font_size_one_hundred_fifty_percent:
1303 mainWebView.getSettings().setTextZoom(150);
1306 case R.id.font_size_one_hundred_seventy_five_percent:
1307 mainWebView.getSettings().setTextZoom(175);
1310 case R.id.font_size_two_hundred_percent:
1311 mainWebView.getSettings().setTextZoom(200);
1314 case R.id.display_images:
1315 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1316 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1317 mainWebView.reload();
1318 } else { // Images are not currently loaded automatically.
1319 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1322 // Set `onTheFlyDisplayImagesSet`.
1323 onTheFlyDisplayImagesSet = true;
1327 // Setup the share string.
1329 if (webViewTitle != null) {
1330 shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1332 shareString = urlTextBox.getText().toString();
1335 // Create the share intent.
1336 Intent shareIntent = new Intent();
1337 shareIntent.setAction(Intent.ACTION_SEND);
1338 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1339 shareIntent.setType("text/plain");
1342 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1345 case R.id.find_on_page:
1346 // Hide the URL app bar.
1347 supportAppBar.setVisibility(View.GONE);
1349 // Show the Find on Page `RelativeLayout`.
1350 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1352 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1353 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1354 findOnPageEditText.postDelayed(new Runnable()
1359 // Set the focus on `findOnPageEditText`.
1360 findOnPageEditText.requestFocus();
1362 // Display the keyboard.
1363 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1369 // Get a `PrintManager` instance.
1370 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1372 // Convert `mainWebView` to `printDocumentAdapter`.
1373 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1375 // Print the document. The print attributes are `null`.
1376 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1379 case R.id.add_to_homescreen:
1380 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1381 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1382 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1384 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1388 mainWebView.reload();
1392 // Don't consume the event.
1393 return super.onOptionsItemSelected(menuItem);
1397 // removeAllCookies is deprecated, but it is required for API < 21.
1398 @SuppressWarnings("deprecation")
1400 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1401 int menuItemId = menuItem.getItemId();
1403 switch (menuItemId) {
1409 if (mainWebView.canGoBack()) {
1410 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1411 navigatingHistory = true;
1413 // Load the previous website in the history.
1414 mainWebView.goBack();
1419 if (mainWebView.canGoForward()) {
1420 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1421 navigatingHistory = true;
1423 // Load the next website in the history.
1424 mainWebView.goForward();
1429 // Get the `WebBackForwardList`.
1430 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1432 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1433 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1434 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1437 case R.id.bookmarks:
1438 // Launch BookmarksActivity.
1439 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1440 startActivity(bookmarksIntent);
1443 case R.id.downloads:
1444 // Launch the system Download Manager.
1445 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1447 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1448 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1450 startActivity(downloadManagerIntent);
1454 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1455 currentDomainName = "";
1457 // Launch `SettingsActivity`.
1458 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1459 startActivity(settingsIntent);
1463 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1464 currentDomainName = "";
1466 // Launch `DomainsActivity`.
1467 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1468 startActivity(domainsIntent);
1472 // Launch `GuideActivity`.
1473 Intent guideIntent = new Intent(this, GuideActivity.class);
1474 startActivity(guideIntent);
1478 // Launch `AboutActivity`.
1479 Intent aboutIntent = new Intent(this, AboutActivity.class);
1480 startActivity(aboutIntent);
1483 case R.id.clearAndExit:
1484 // Clear cookies. The commands changed slightly in API 21.
1485 if (Build.VERSION.SDK_INT >= 21) {
1486 cookieManager.removeAllCookies(null);
1488 cookieManager.removeAllCookie();
1491 // Clear DOM storage.
1492 WebStorage domStorage = WebStorage.getInstance();
1493 domStorage.deleteAllData();
1496 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1497 webViewDatabase.clearFormData();
1499 // Clear the cache. `true` includes disk files.
1500 mainWebView.clearCache(true);
1502 // Clear the back/forward history.
1503 mainWebView.clearHistory();
1505 // Clear any SSL certificate preferences.
1506 mainWebView.clearSslPreferences();
1508 // Clear `formattedUrlString`.
1509 formattedUrlString = null;
1511 // Clear `customHeaders`.
1512 customHeaders.clear();
1514 // Detach all views from `mainWebViewRelativeLayout`.
1515 mainWebViewRelativeLayout.removeAllViews();
1517 // Destroy the internal state of `mainWebView`.
1518 mainWebView.destroy();
1520 // Manually delete cache folders.
1522 // Delete the main `cache` folder.
1523 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1525 // 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`.
1526 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
1527 } catch (IOException e) {
1528 // Do nothing if an error is thrown.
1531 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1532 if (Build.VERSION.SDK_INT >= 21) {
1533 finishAndRemoveTask();
1538 // Remove the terminated program from RAM. The status code is `0`.
1546 // Close the navigation drawer.
1547 drawerLayout.closeDrawer(GravityCompat.START);
1552 public void onPostCreate(Bundle savedInstanceState) {
1553 super.onPostCreate(savedInstanceState);
1555 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1556 drawerToggle.syncState();
1560 public void onConfigurationChanged(Configuration newConfig) {
1561 super.onConfigurationChanged(newConfig);
1563 // Reload the ad for the free flavor if we are not in full screen mode.
1564 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1566 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1568 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1569 adView = findViewById(R.id.adview);
1572 // `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
1573 // ActivityCompat.invalidateOptionsMenu(this);
1577 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1578 // Store the `HitTestResult`.
1579 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1582 final String imageUrl;
1583 final String linkUrl;
1585 // Get a handle for the `ClipboardManager`.
1586 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1588 switch (hitTestResult.getType()) {
1589 // `SRC_ANCHOR_TYPE` is a link.
1590 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1591 // Get the target URL.
1592 linkUrl = hitTestResult.getExtra();
1594 // Set the target URL as the title of the `ContextMenu`.
1595 menu.setHeaderTitle(linkUrl);
1597 // Add a `Load URL` entry.
1598 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1600 public boolean onMenuItemClick(MenuItem item) {
1606 // Add a `Copy URL` entry.
1607 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1609 public boolean onMenuItemClick(MenuItem item) {
1610 // Save the link URL in a `ClipData`.
1611 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1613 // Set the `ClipData` as the clipboard's primary clip.
1614 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1619 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1620 menu.add(R.string.cancel);
1623 case WebView.HitTestResult.EMAIL_TYPE:
1624 // Get the target URL.
1625 linkUrl = hitTestResult.getExtra();
1627 // Set the target URL as the title of the `ContextMenu`.
1628 menu.setHeaderTitle(linkUrl);
1630 // Add a `Write Email` entry.
1631 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1633 public boolean onMenuItemClick(MenuItem item) {
1634 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1635 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1637 // Parse the url and set it as the data for the `Intent`.
1638 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1640 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1641 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1644 startActivity(emailIntent);
1649 // Add a `Copy Email Address` entry.
1650 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1652 public boolean onMenuItemClick(MenuItem item) {
1653 // Save the email address in a `ClipData`.
1654 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1656 // Set the `ClipData` as the clipboard's primary clip.
1657 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1662 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1663 menu.add(R.string.cancel);
1666 // `IMAGE_TYPE` is an image.
1667 case WebView.HitTestResult.IMAGE_TYPE:
1668 // Get the image URL.
1669 imageUrl = hitTestResult.getExtra();
1671 // Set the image URL as the title of the `ContextMenu`.
1672 menu.setHeaderTitle(imageUrl);
1674 // Add a `View Image` entry.
1675 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1677 public boolean onMenuItemClick(MenuItem item) {
1683 // Add a `Download Image` entry.
1684 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1686 public boolean onMenuItemClick(MenuItem item) {
1687 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1688 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1689 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1694 // Add a `Copy URL` entry.
1695 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1697 public boolean onMenuItemClick(MenuItem item) {
1698 // Save the image URL in a `ClipData`.
1699 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1701 // Set the `ClipData` as the clipboard's primary clip.
1702 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1707 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1708 menu.add(R.string.cancel);
1712 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1713 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1714 // Get the image URL.
1715 imageUrl = hitTestResult.getExtra();
1717 // Set the image URL as the title of the `ContextMenu`.
1718 menu.setHeaderTitle(imageUrl);
1720 // Add a `View Image` entry.
1721 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1723 public boolean onMenuItemClick(MenuItem item) {
1729 // Add a `Download Image` entry.
1730 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1732 public boolean onMenuItemClick(MenuItem item) {
1733 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1734 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1735 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1740 // Add a `Copy URL` entry.
1741 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1743 public boolean onMenuItemClick(MenuItem item) {
1744 // Save the image URL in a `ClipData`.
1745 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1747 // Set the `ClipData` as the clipboard's primary clip.
1748 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1753 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1754 menu.add(R.string.cancel);
1760 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1761 // Get shortcutNameEditText from the alert dialog.
1762 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1764 // Create the bookmark shortcut based on formattedUrlString.
1765 Intent bookmarkShortcut = new Intent();
1766 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1767 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1769 // Place the bookmark shortcut on the home screen.
1770 Intent placeBookmarkShortcut = new Intent();
1771 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1772 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1773 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1774 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1775 sendBroadcast(placeBookmarkShortcut);
1779 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1780 // Download the image if it has an HTTP or HTTPS URI.
1781 if (imageUrl.startsWith("http")) {
1782 // Get a handle for the system `DOWNLOAD_SERVICE`.
1783 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1785 // Parse `imageUrl`.
1786 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1788 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
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 if (firstPartyCookiesEnabled) {
1837 // Get the cookies for `downloadUrl`.
1838 String cookies = cookieManager.getCookie(downloadUrl);
1840 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1841 downloadRequest.addRequestHeader("Cookie", cookies);
1844 // Get the file name from `dialogFragment`.
1845 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
1846 String fileName = downloadFileNameEditText.getText().toString();
1848 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1849 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
1850 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
1851 } else { // Only set the title using `fileName`.
1852 downloadRequest.setTitle(fileName);
1855 // Allow `MediaScanner` to index the download if it is a media file.
1856 downloadRequest.allowScanningByMediaScanner();
1858 // Add the URL as the description for the download.
1859 downloadRequest.setDescription(downloadUrl);
1861 // Show the download notification after the download is completed.
1862 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1864 // Initiate the download.
1865 downloadManager.enqueue(downloadRequest);
1866 } else { // The download is not an HTTP or HTTPS URI.
1867 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
1871 public void viewSslCertificate(View view) {
1872 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
1873 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
1874 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
1878 public void onSslErrorCancel() {
1879 sslErrorHandler.cancel();
1883 public void onSslErrorProceed() {
1884 sslErrorHandler.proceed();
1888 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
1889 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1890 navigatingHistory = true;
1892 // Load the history entry.
1893 mainWebView.goBackOrForward(moveBackOrForwardSteps);
1897 public void onClearHistory() {
1898 // Clear the history.
1899 mainWebView.clearHistory();
1902 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
1904 public void onBackPressed() {
1905 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
1906 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1907 drawerLayout.closeDrawer(GravityCompat.START);
1909 // Load the previous URL if available.
1910 if (mainWebView.canGoBack()) {
1911 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1912 navigatingHistory = true;
1915 mainWebView.goBack();
1917 // Pass `onBackPressed()` to the system.
1918 super.onBackPressed();
1923 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
1924 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
1925 String unformattedUrlString = urlTextBox.getText().toString().trim();
1927 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
1928 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
1929 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
1930 if (!unformattedUrlString.startsWith("http")) {
1931 unformattedUrlString = "http://" + unformattedUrlString;
1934 // Initialize `unformattedUrl`.
1935 URL unformattedUrl = null;
1937 // 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.
1939 unformattedUrl = new URL(unformattedUrlString);
1940 } catch (MalformedURLException e) {
1941 e.printStackTrace();
1944 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
1945 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
1946 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
1947 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
1948 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
1949 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
1952 Uri.Builder formattedUri = new Uri.Builder();
1953 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
1955 // Decode `formattedUri` as a `String` in `UTF-8`.
1956 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
1958 // Sanitize the search input and convert it to a search.
1959 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
1961 // Add the base search URL.
1962 formattedUrlString = searchURL + encodedUrlString;
1965 loadUrl(formattedUrlString);
1967 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1968 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1972 private void loadUrl(String url) {
1973 // Apply any custom domain settings.
1974 applyDomainSettings(url);
1977 mainWebView.loadUrl(url, customHeaders);
1980 public void findPreviousOnPage(View view) {
1981 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
1982 mainWebView.findNext(false);
1985 public void findNextOnPage(View view) {
1986 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
1987 mainWebView.findNext(true);
1990 public void closeFindOnPage(View view) {
1991 // Delete the contents of `find_on_page_edittext`.
1992 findOnPageEditText.setText(null);
1994 // Clear the highlighted phrases.
1995 mainWebView.clearMatches();
1997 // Hide the Find on Page `RelativeLayout`.
1998 findOnPageLinearLayout.setVisibility(View.GONE);
2000 // Show the URL app bar.
2001 supportAppBar.setVisibility(View.VISIBLE);
2003 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2004 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2007 private void applyAppSettings() {
2008 // Get the shared preference values. `this` references the current context.
2009 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2011 // Store the values from `sharedPreferences` in variables.
2012 String homepageString = sharedPreferences.getString("homepage", "https://duckduckgo.com");
2013 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2014 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2015 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2016 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2017 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2018 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2019 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2020 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2021 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2022 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2023 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2024 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2025 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2026 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2028 // Set the homepage, search, and proxy options.
2029 if (proxyThroughOrbot) { // Set the Tor options.
2030 // Set `torHomepageString` as `homepage`.
2031 homepage = torHomepageString;
2033 // If formattedUrlString is null assign the homepage to it.
2034 if (formattedUrlString == null) {
2035 formattedUrlString = homepage;
2038 // Set the search URL.
2039 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2040 searchURL = torSearchCustomURLString;
2041 } else { // Use the string from the pre-built list.
2042 searchURL = torSearchString;
2045 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2046 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2048 // Display a message to the user if we are waiting on Orbot.
2049 if (!orbotStatus.equals("ON")) {
2050 // Set `waitingForOrbot`.
2051 waitingForOrbot = true;
2053 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2054 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2056 } else { // Set the non-Tor options.
2057 // Set `homepageString` as `homepage`.
2058 homepage = homepageString;
2060 // If formattedUrlString is null assign the homepage to it.
2061 if (formattedUrlString == null) {
2062 formattedUrlString = homepage;
2065 // Set the search URL.
2066 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2067 searchURL = searchCustomURLString;
2068 } else { // Use the string from the pre-built list.
2069 searchURL = searchString;
2072 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2073 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2075 // Reset `waitingForOrbot.
2076 waitingForOrbot = false;
2079 // Set swipe to refresh.
2080 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2082 // Set Do Not Track status.
2083 if (doNotTrackEnabled) {
2084 customHeaders.put("DNT", "1");
2086 customHeaders.remove("DNT");
2089 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2090 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2091 if (hideSystemBarsOnFullscreen) { // Hide everything.
2092 // Remove the translucent navigation setting if it is currently flagged.
2093 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2095 // Remove the translucent status bar overlay.
2096 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2098 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2099 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2101 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2102 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2103 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2105 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2106 } else { // Hide everything except the status and navigation bars.
2107 // Add the translucent status flag if it is unset.
2108 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2110 if (translucentNavigationBarOnFullscreen) {
2111 // Set the navigation bar to be translucent.
2112 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2114 // Set the navigation bar to be black.
2115 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2118 } else { // Switch to normal viewing mode.
2119 // Reset `inFullScreenBrowsingMode` to `false`.
2120 inFullScreenBrowsingMode = false;
2122 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2123 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2127 // Show the `BannerAd` in the free flavor.
2128 if (BuildConfig.FLAVOR.contentEquals("free")) {
2129 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2130 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2132 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2133 adView = findViewById(R.id.adview);
2136 // Remove the translucent navigation bar flag if it is set.
2137 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2139 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2140 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2142 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2143 rootCoordinatorLayout.setSystemUiVisibility(0);
2145 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2146 rootCoordinatorLayout.setFitsSystemWindows(true);
2150 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2151 @SuppressWarnings("deprecation")
2152 private void applyDomainSettings(String url) {
2153 // Reset `navigatingHistory`.
2154 navigatingHistory = false;
2156 // Parse the URL into a URI.
2157 Uri uri = Uri.parse(url);
2159 // Extract the domain from `uri`.
2160 String hostName = uri.getHost();
2162 // Initialize `loadingNewDomainName`.
2163 boolean loadingNewDomainName;
2165 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
2166 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
2167 //noinspection SimplifiableIfStatement
2168 if ((hostName == null) || (currentDomainName == null)) {
2169 loadingNewDomainName = true;
2170 } else { // Determine if `hostName` equals `currentDomainName`.
2171 loadingNewDomainName = !hostName.equals(currentDomainName);
2174 // 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.
2175 if (loadingNewDomainName) {
2176 // Set the new `hostname` as the `currentDomainName`.
2177 currentDomainName = hostName;
2179 // Reset `favoriteIconBitmap` and display it in the `appbar`.
2180 favoriteIconBitmap = favoriteIconDefaultBitmap;
2181 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
2183 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2184 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2185 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2187 // Get a full cursor from `domainsDatabaseHelper`.
2188 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
2190 // Initialize `domainSettingsSet`.
2191 Set<String> domainSettingsSet = new HashSet<>();
2193 // Get the domain name column index.
2194 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
2196 // Populate `domainSettingsSet`.
2197 for (int i = 0; i < domainNameCursor.getCount(); i++) {
2198 // Move `domainsCursor` to the current row.
2199 domainNameCursor.moveToPosition(i);
2201 // Store the domain name in `domainSettingsSet`.
2202 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
2205 // Close `domainNameCursor.
2206 domainNameCursor.close();
2208 // Initialize variables to track if domain settings will be applied and, if so, under which name.
2209 domainSettingsApplied = false;
2210 String domainNameInDatabase = null;
2212 // Check the hostname.
2213 if (domainSettingsSet.contains(hostName)) {
2214 domainSettingsApplied = true;
2215 domainNameInDatabase = hostName;
2218 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
2219 if (hostName != null) {
2220 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
2221 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
2222 domainSettingsApplied = true;
2223 domainNameInDatabase = "*." + hostName;
2226 // Strip out the lowest subdomain of `host`.
2227 hostName = hostName.substring(hostName.indexOf(".") + 1);
2231 // Get a handle for the shared preference. `this` references the current context.
2232 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2234 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
2235 // Get a cursor for the current host and move it to the first position.
2236 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2237 currentHostDomainSettingsCursor.moveToFirst();
2239 // Get the settings from the cursor.
2240 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2241 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2242 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2243 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2244 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2245 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
2246 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
2247 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
2249 // Close `currentHostDomainSettingsCursor`.
2250 currentHostDomainSettingsCursor.close();
2252 // Apply the domain settings.
2253 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2254 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2255 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2256 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2257 mainWebView.getSettings().setTextZoom(fontSize);
2259 // Set third-party cookies status if API >= 21.
2260 if (Build.VERSION.SDK_INT >= 21) {
2261 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2264 // Set the user agent.
2265 if (userAgentString.equals("WebView default user agent")) {
2266 // Set the user agent to `""`, which uses the default value.
2267 mainWebView.getSettings().setUserAgentString("");
2269 // Use the selected user agent.
2270 mainWebView.getSettings().setUserAgentString(userAgentString);
2273 // 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.
2274 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
2275 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2276 // Store the values from `sharedPreferences` in variables.
2277 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2278 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2279 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2280 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2281 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2282 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2283 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2284 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2286 // Apply the default settings.
2287 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2288 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2289 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2290 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2291 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2293 // Set third-party cookies status if API >= 21.
2294 if (Build.VERSION.SDK_INT >= 21) {
2295 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2298 // Set the default user agent.
2299 switch (userAgentString) {
2300 case "WebView default user agent":
2301 // Set the user agent to `""`, which uses the default value.
2302 mainWebView.getSettings().setUserAgentString("");
2305 case "Custom user agent":
2306 // Set the custom user agent.
2307 mainWebView.getSettings().setUserAgentString(customUserAgentString);
2311 // Use the selected user agent.
2312 mainWebView.getSettings().setUserAgentString(userAgentString);
2316 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2317 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
2320 // Close `domainsDatabaseHelper`.
2321 domainsDatabaseHelper.close();
2323 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
2324 onTheFlyDisplayImagesSet = false;
2325 setDisplayWebpageImages();
2327 // Update the privacy icons, but only if `mainMenu` has already been populated.
2328 if (mainMenu != null) {
2329 updatePrivacyIcons(true);
2334 private void setDisplayWebpageImages() {
2335 if (!onTheFlyDisplayImagesSet) {
2336 if (domainSettingsApplied) { // Custom domain settings are applied.
2337 switch (displayWebpageImagesInt) {
2338 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
2339 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2342 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
2343 mainWebView.getSettings().setLoadsImagesAutomatically(true);
2346 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
2347 mainWebView.getSettings().setLoadsImagesAutomatically(false);
2350 } else { // Default settings are applied.
2351 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2356 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2357 // Get handles for the icons.
2358 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
2359 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
2360 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
2361 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
2363 // Update `privacyIcon`.
2364 if (javaScriptEnabled) { // JavaScript is enabled.
2365 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
2366 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2367 privacyIconMenuItem.setIcon(R.drawable.warning);
2368 } else { // All the dangerous features are disabled.
2369 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
2372 // Update `firstPartyCookiesIcon`.
2373 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2374 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
2375 } else { // First-party cookies are disabled.
2376 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled);
2379 // Update `domStorageIcon`.
2380 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2381 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
2382 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2383 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled);
2384 } else { // JavaScript is disabled, so DOM storage is ghosted.
2385 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted);
2388 // Update `formDataIcon`.
2389 if (saveFormDataEnabled) { // Form data is enabled.
2390 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
2391 } else { // Form data is disabled.
2392 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled);
2395 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2396 if (runInvalidateOptionsMenu) {
2397 ActivityCompat.invalidateOptionsMenu(this);