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 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 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
241 private String waitingForOrbotHTMLString;
243 // `privateDataDirectoryString` is used in `onCreate()` and `onNavigationItemSelected()`.
244 private String privateDataDirectoryString;
246 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
247 private LinearLayout findOnPageLinearLayout;
249 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
250 private EditText findOnPageEditText;
252 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
253 private Menu mainMenu;
255 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
256 private ActionBarDrawerToggle drawerToggle;
258 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
259 private Toolbar supportAppBar;
261 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `loadUrl()`.
262 private EditText urlTextBox;
264 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
267 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
268 private SslErrorHandler sslErrorHandler;
270 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
271 private InputMethodManager inputMethodManager;
273 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
274 private RelativeLayout mainWebViewRelativeLayout;
277 // 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.
278 @SuppressLint("SetJavaScriptEnabled")
279 protected void onCreate(Bundle savedInstanceState) {
280 super.onCreate(savedInstanceState);
281 setContentView(R.layout.main_drawerlayout);
283 // Get a handle for `inputMethodManager`.
284 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
286 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
287 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
288 setSupportActionBar(supportAppBar);
289 appBar = getSupportActionBar();
291 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
292 assert appBar != null;
294 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
295 appBar.setCustomView(R.layout.url_app_bar);
296 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
298 // Set the "go" button on the keyboard to load the URL in urlTextBox.
299 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
300 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
302 public boolean onKey(View v, int keyCode, KeyEvent event) {
303 // If the event is a key-down event on the `enter` button, load the URL.
304 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
305 // Load the URL into the mainWebView and consume the event.
307 loadUrlFromTextBox();
308 } catch (UnsupportedEncodingException e) {
311 // If the enter key was pressed, consume the event.
314 // If any other key was pressed, do not consume the event.
320 // Set `waitingForOrbotHTMLString`.
321 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
323 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
324 currentDomainName = "";
325 orbotStatus = "unknown";
326 waitingForOrbot = false;
328 // Create an Orbot status `BroadcastReceiver`.
329 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
331 public void onReceive(Context context, Intent intent) {
332 // Store the content of the status message in `orbotStatus`.
333 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
335 // If we are waiting on Orbot, load the website now that Orbot is connected.
336 if (orbotStatus.equals("ON") && waitingForOrbot) {
337 // Reset `waitingForOrbot`.
338 waitingForOrbot = false;
340 // Load `formattedUrlString
341 loadUrl(formattedUrlString);
346 // Register `orbotStatusBroadcastReceiver` on `this` context.
347 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
349 // Get handles for views that need to be accessed.
350 drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
351 rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
352 mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
353 mainWebView = (WebView) findViewById(R.id.main_webview);
354 findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
355 findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
356 fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
357 urlAppBarRelativeLayout = (RelativeLayout) findViewById(R.id.url_app_bar_relativelayout);
358 favoriteIconImageView = (ImageView) findViewById(R.id.favorite_icon);
360 // Create a double-tap listener to toggle full-screen mode.
361 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
362 // Override `onDoubleTap()`. All other events are handled using the default settings.
364 public boolean onDoubleTap(MotionEvent event) {
365 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
366 // Toggle `inFullScreenBrowsingMode`.
367 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
369 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
370 // Hide the `appBar`.
373 // Hide the `BannerAd` in the free flavor.
374 if (BuildConfig.FLAVOR.contentEquals("free")) {
375 BannerAd.hideAd(adView);
378 // Modify the system bars.
379 if (hideSystemBarsOnFullscreen) { // Hide everything.
380 // Remove the translucent overlays.
381 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
383 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
384 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
386 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
387 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
388 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
390 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
392 // Set `rootCoordinatorLayout` to fill the whole screen.
393 rootCoordinatorLayout.setFitsSystemWindows(false);
394 } else { // Hide everything except the status and navigation bars.
395 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
396 rootCoordinatorLayout.setFitsSystemWindows(false);
398 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.
399 // Set the navigation bar to be translucent.
400 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
403 } else { // Switch to normal viewing mode.
404 // Show the `appBar`.
407 // Show the `BannerAd` in the free flavor.
408 if (BuildConfig.FLAVOR.contentEquals("free")) {
409 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
410 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
412 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
413 adView = findViewById(R.id.adview);
416 // Remove the translucent navigation bar flag if it is set.
417 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
419 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
420 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
422 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
423 rootCoordinatorLayout.setSystemUiVisibility(0);
425 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
426 rootCoordinatorLayout.setFitsSystemWindows(true);
429 // Consume the double-tap.
431 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
437 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
438 mainWebView.setOnTouchListener(new View.OnTouchListener() {
440 public boolean onTouch(View v, MotionEvent event) {
441 // Send the `event` to `gestureDetector`.
442 return gestureDetector.onTouchEvent(event);
446 // Update `findOnPageCountTextView`.
447 mainWebView.setFindListener(new WebView.FindListener() {
448 // Get a handle for `findOnPageCountTextView`.
449 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
452 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
453 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
454 // Set `findOnPageCountTextView` to `0/0`.
455 findOnPageCountTextView.setText(R.string.zero_of_zero);
456 } else if (isDoneCounting) { // There are matches.
457 // `activeMatchOrdinal` is zero-based.
458 int activeMatch = activeMatchOrdinal + 1;
460 // Set `findOnPageCountTextView`.
461 findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
466 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
467 findOnPageEditText.addTextChangedListener(new TextWatcher() {
469 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
474 public void onTextChanged(CharSequence s, int start, int before, int count) {
479 public void afterTextChanged(Editable s) {
480 // Search for the text in `mainWebView`.
481 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
485 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
486 findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
488 public boolean onKey(View v, int keyCode, KeyEvent event) {
489 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
490 // Hide the soft keyboard. `0` indicates no additional flags.
491 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
493 // Consume the event.
495 } else { // A different key was pressed.
496 // Do not consume the event.
502 // Implement swipe to refresh
503 swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refreshlayout);
504 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
505 swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
507 public void onRefresh() {
508 mainWebView.reload();
512 // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
513 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
515 // Listen for touches on the navigation menu.
516 final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
517 navigationView.setNavigationItemSelectedListener(this);
519 // 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.
520 final Menu navigationMenu = navigationView.getMenu();
521 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
522 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
523 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
525 // The `DrawerListener` allows us to update the Navigation Menu.
526 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
528 public void onDrawerSlide(View drawerView, float slideOffset) {
532 public void onDrawerOpened(View drawerView) {
536 public void onDrawerClosed(View drawerView) {
540 public void onDrawerStateChanged(int newState) {
541 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
542 // Update the `Back`, `Forward`, and `History` menu items.
543 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
544 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
545 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
547 // Hide the keyboard so we can see the navigation menu. `0` indicates no additional flags.
548 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
553 // drawerToggle creates the hamburger icon at the start of the AppBar.
554 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
556 // Initialize `adServerSet`.
557 final Set<String> adServersSet = new HashSet<>();
559 // Load the list of ad servers into memory.
561 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
562 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
564 // Create a string for storing each ad server.
567 // Populate `adServersSet`.
568 while ((adServer = bufferedReader.readLine()) != null) {
569 adServersSet.add(adServer);
572 // Close `bufferedReader`.
573 bufferedReader.close();
574 } catch (IOException ioException) {
575 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
578 mainWebView.setWebViewClient(new WebViewClient() {
579 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
580 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
581 @SuppressWarnings("deprecation")
583 public boolean shouldOverrideUrlLoading(WebView view, String url) {
584 if (url.startsWith("mailto:")) { // Load the URL in an external email program because it begins with `mailto:`.
585 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
586 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
588 // Parse the url and set it as the data for the `Intent`.
589 emailIntent.setData(Uri.parse(url));
591 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
592 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
595 startActivity(emailIntent);
597 // Returning `true` indicates the application is handling the URL.
599 } else { // Load the URL in Privacy Browser.
600 // Apply the domain settings for the new URL.
601 applyDomainSettings(url);
603 // Returning `false` causes the current `WebView` to handle the URL and prevents it from adding redirects to the history list.
608 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
609 @SuppressWarnings("deprecation")
611 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
612 if (adBlockerEnabled) { // Block ads.
613 // Extract the host from `url`.
614 Uri requestUri = Uri.parse(url);
615 String requestHost = requestUri.getHost();
617 // Initialize a variable to track if this is an ad server.
618 boolean requestHostIsAdServer = false;
620 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
621 if (requestHost != null) {
622 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
623 if (adServersSet.contains(requestHost)) {
624 requestHostIsAdServer = true;
627 // Strip out the lowest subdomain of `requestHost`.
628 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
632 if (requestHostIsAdServer) { // It is an ad server.
633 // Return an empty `WebResourceResponse`.
634 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
635 } else { // It is not an ad server.
636 // `return null` loads the requested resource.
639 } else { // Ad blocking is disabled.
640 // `return null` loads the requested resource.
645 // Update the URL in urlTextBox when the page starts to load.
647 public void onPageStarted(WebView view, String url, Bitmap favicon) {
648 // Reset `webViewTitle`
649 webViewTitle = getString(R.string.no_title);
651 // Check to see if we are waiting on Orbot.
652 if (!waitingForOrbot) { // We are not waiting on Orbot, so we need to process the URL.
653 // 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.
654 formattedUrlString = url;
656 // Display the loading URL is the URL text box.
657 urlTextBox.setText(url);
659 // Apply any custom domain settings if the URL was loaded by navigating history.
660 if (navigatingHistory) {
661 applyDomainSettings(url);
666 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
668 public void onPageFinished(WebView view, String url) {
669 // Clear the cache and history if Incognito Mode is enabled.
670 if (incognitoModeEnabled) {
671 // Clear the cache. `true` includes disk files.
672 mainWebView.clearCache(true);
674 // Clear the back/forward history.
675 mainWebView.clearHistory();
677 // Manually delete cache folders.
679 // Delete the main `cache` folder.
680 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
682 // 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`.
683 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
684 } catch (IOException e) {
685 // Do nothing if an error is thrown.
689 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
690 if (!waitingForOrbot) {
691 // Check to see if `WebView` has set `url` to be `about:blank`.
692 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
693 // Set `formattedUrlString` to `""`.
694 formattedUrlString = "";
696 // Update `urlTextBox`.
697 urlTextBox.setText(formattedUrlString);
699 // Request focus for `urlTextBox`.
700 urlTextBox.requestFocus();
702 // Display the keyboard.
703 inputMethodManager.showSoftInput(urlTextBox, 0);
705 // Apply the domain settings.
706 applyDomainSettings(formattedUrlString);
707 } else { // `WebView` has loaded a webpage.
708 // Set `formattedUrlString`.
709 formattedUrlString = url;
711 // Only update `urlTextBox` if the user is not typing in it.
712 if (!urlTextBox.hasFocus()) {
713 urlTextBox.setText(formattedUrlString);
717 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
718 sslCertificate = mainWebView.getCertificate();
722 // Handle SSL Certificate errors.
724 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
725 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
726 sslErrorHandler = handler;
728 // Display the SSL error `AlertDialog`.
729 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
730 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
734 // Get a handle for the progress bar.
735 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
737 mainWebView.setWebChromeClient(new WebChromeClient() {
738 // Update the progress bar when a page is loading.
740 public void onProgressChanged(WebView view, int progress) {
741 progressBar.setProgress(progress);
742 if (progress < 100) {
743 progressBar.setVisibility(View.VISIBLE);
745 progressBar.setVisibility(View.GONE);
747 //Stop the `SwipeToRefresh` indicator if it is running
748 swipeRefreshLayout.setRefreshing(false);
752 // Set the favorite icon when it changes.
754 public void onReceivedIcon(WebView view, Bitmap icon) {
755 // Only update the favorite icon if the website has finished loading.
756 if (progressBar.getVisibility() == View.GONE) {
757 // Save a copy of the favorite icon.
758 favoriteIconBitmap = icon;
760 // Place the favorite icon in the appBar.
761 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
765 // Save a copy of the title when it changes.
767 public void onReceivedTitle(WebView view, String title) {
768 // Save a copy of the title.
769 webViewTitle = title;
772 // Enter full screen video
774 public void onShowCustomView(View view, CustomViewCallback callback) {
775 // Pause the ad if this is the free flavor.
776 if (BuildConfig.FLAVOR.contentEquals("free")) {
777 BannerAd.pauseAd(adView);
780 // Remove the translucent overlays.
781 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
783 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
784 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
786 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
787 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
788 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
790 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
792 // Set `rootCoordinatorLayout` to fill the entire screen.
793 rootCoordinatorLayout.setFitsSystemWindows(false);
795 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
796 fullScreenVideoFrameLayout.addView(view);
797 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
800 // Exit full screen video
801 public void onHideCustomView() {
802 // Hide `fullScreenVideoFrameLayout`.
803 fullScreenVideoFrameLayout.removeAllViews();
804 fullScreenVideoFrameLayout.setVisibility(View.GONE);
806 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
807 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
809 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
810 rootCoordinatorLayout.setFitsSystemWindows(true);
812 // Show the ad if this is the free flavor.
813 if (BuildConfig.FLAVOR.contentEquals("free")) {
814 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
815 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
817 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
818 adView = findViewById(R.id.adview);
823 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
824 registerForContextMenu(mainWebView);
826 // Allow the downloading of files.
827 mainWebView.setDownloadListener(new DownloadListener() {
829 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
830 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
831 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
832 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
836 // Allow pinch to zoom.
837 mainWebView.getSettings().setBuiltInZoomControls(true);
839 // Hide zoom controls.
840 mainWebView.getSettings().setDisplayZoomControls(false);
842 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
843 mainWebView.getSettings().setUseWideViewPort(true);
845 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
846 mainWebView.getSettings().setLoadWithOverviewMode(true);
848 // Initialize cookieManager.
849 cookieManager = CookieManager.getInstance();
851 // 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).
852 customHeaders.put("X-Requested-With", "");
854 // 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.
855 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
857 // Get the intent that started the app.
858 final Intent launchingIntent = getIntent();
860 // Extract the launching intent data as `launchingIntentUriData`.
861 final Uri launchingIntentUriData = launchingIntent.getData();
863 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
864 if (launchingIntentUriData != null) {
865 formattedUrlString = launchingIntentUriData.toString();
868 // Get a handle for the `Runtime`.
869 privacyBrowserRuntime = Runtime.getRuntime();
871 // Store the application's private data directory.
872 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`.
874 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
875 inFullScreenBrowsingMode = false;
877 // Initialize AdView for the free flavor.
878 adView = findViewById(R.id.adview);
880 // Initialize the privacy settings variables.
881 javaScriptEnabled = false;
882 firstPartyCookiesEnabled = false;
883 thirdPartyCookiesEnabled = false;
884 domStorageEnabled = false;
885 saveFormDataEnabled = false;
887 // Initialize `webViewTitle`.
888 webViewTitle = getString(R.string.no_title);
890 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
891 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
892 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
893 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
895 // If the favorite icon is null, load the default.
896 if (favoriteIconBitmap == null) {
897 favoriteIconBitmap = favoriteIconDefaultBitmap;
900 // Apply the app settings from the shared preferences.
903 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
904 if (!waitingForOrbot) {
905 loadUrl(formattedUrlString);
910 public void onRestart() {
913 // Apply the app settings, which may have been changed in `SettingsActivity`.
916 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
917 updatePrivacyIcons(true);
919 // Set the display webpage images mode.
920 setDisplayWebpageImages();
922 // Reload the webpage to remove images if `setDisplayWebpageImages` has turned them off.
923 mainWebView.reload();
926 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
928 public void onResume() {
931 // Resume JavaScript (if enabled).
932 mainWebView.resumeTimers();
934 // Resume `mainWebView`.
935 mainWebView.onResume();
937 // Resume the adView for the free flavor.
938 if (BuildConfig.FLAVOR.contentEquals("free")) {
939 BannerAd.resumeAd(adView);
944 public void onPause() {
945 // Pause `mainWebView`.
946 mainWebView.onPause();
948 // Stop all JavaScript.
949 mainWebView.pauseTimers();
951 // Pause the adView or it will continue to consume resources in the background on the free flavor.
952 if (BuildConfig.FLAVOR.contentEquals("free")) {
953 BannerAd.pauseAd(adView);
960 protected void onNewIntent(Intent intent) {
961 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
964 if (intent.getData() != null) {
965 // Get the intent data and convert it to a string.
966 final Uri intentUriData = intent.getData();
967 formattedUrlString = intentUriData.toString();
970 // Close the navigation drawer if it is open.
971 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
972 drawerLayout.closeDrawer(GravityCompat.START);
976 loadUrl(formattedUrlString);
978 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
979 mainWebView.requestFocus();
983 public boolean onCreateOptionsMenu(Menu menu) {
984 // Inflate the menu; this adds items to the action bar if it is present.
985 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
987 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
990 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
991 updatePrivacyIcons(false);
993 // Get handles for the menu items.
994 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
995 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
996 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
997 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
999 // Only display third-party cookies if SDK >= 21
1000 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1002 // Get the shared preference values. `this` references the current context.
1003 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1005 // Set the status of the additional app bar icons. The default is `false`.
1006 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1007 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1008 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1009 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1010 } else { //Do not display the additional icons.
1011 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1012 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1013 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1020 public boolean onPrepareOptionsMenu(Menu menu) {
1021 // Get handles for the menu items.
1022 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1023 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1024 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1025 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1026 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1027 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1028 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1029 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1030 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1032 // Set the status of the menu item checkboxes.
1033 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1034 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1035 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1036 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1037 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1039 // Enable third-party cookies if first-party cookies are enabled.
1040 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1042 // Enable DOM Storage if JavaScript is enabled.
1043 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1045 // Enable Clear Cookies if there are any.
1046 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1048 // Enable Clear Form Data is there is any.
1049 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1050 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1052 // Initialize font size variables.
1053 int fontSize = mainWebView.getSettings().getTextZoom();
1054 String fontSizeTitle;
1055 MenuItem selectedFontSizeMenuItem;
1057 // Prepare the font size title and current size menu item.
1060 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.twenty_five_percent);
1061 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1065 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
1066 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1070 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1071 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1075 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1076 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1080 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1081 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1085 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1086 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1090 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1091 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1095 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1096 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1100 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1101 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1105 // Set the font size title and select the current size menu item.
1106 fontSizeMenuItem.setTitle(fontSizeTitle);
1107 selectedFontSizeMenuItem.setChecked(true);
1109 // Only show `Refresh` if `swipeToRefresh` is disabled.
1110 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1112 // Run all the other default commands.
1113 super.onPrepareOptionsMenu(menu);
1115 // `return true` displays the menu.
1120 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1121 @SuppressLint("SetJavaScriptEnabled")
1122 // removeAllCookies is deprecated, but it is required for API < 21.
1123 @SuppressWarnings("deprecation")
1124 public boolean onOptionsItemSelected(MenuItem menuItem) {
1125 int menuItemId = menuItem.getItemId();
1127 // Set the commands that relate to the menu entries.
1128 switch (menuItemId) {
1129 case R.id.toggle_javascript:
1130 // Switch the status of javaScriptEnabled.
1131 javaScriptEnabled = !javaScriptEnabled;
1133 // Apply the new JavaScript status.
1134 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1136 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1137 updatePrivacyIcons(true);
1139 // Display a `Snackbar`.
1140 if (javaScriptEnabled) { // JavaScrip is enabled.
1141 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1142 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1143 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1144 } else { // Privacy mode.
1145 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1148 // Reload the WebView.
1149 mainWebView.reload();
1152 case R.id.toggle_first_party_cookies:
1153 // Switch the status of firstPartyCookiesEnabled.
1154 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1156 // Update the menu checkbox.
1157 menuItem.setChecked(firstPartyCookiesEnabled);
1159 // Apply the new cookie status.
1160 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1162 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1163 updatePrivacyIcons(true);
1165 // Display a `Snackbar`.
1166 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1167 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1168 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1169 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1170 } else { // Privacy mode.
1171 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1174 // Reload the WebView.
1175 mainWebView.reload();
1178 case R.id.toggle_third_party_cookies:
1179 if (Build.VERSION.SDK_INT >= 21) {
1180 // Switch the status of thirdPartyCookiesEnabled.
1181 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1183 // Update the menu checkbox.
1184 menuItem.setChecked(thirdPartyCookiesEnabled);
1186 // Apply the new cookie status.
1187 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1189 // Display a `Snackbar`.
1190 if (thirdPartyCookiesEnabled) {
1191 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1193 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1196 // Reload the WebView.
1197 mainWebView.reload();
1198 } // Else do nothing because SDK < 21.
1201 case R.id.toggle_dom_storage:
1202 // Switch the status of domStorageEnabled.
1203 domStorageEnabled = !domStorageEnabled;
1205 // Update the menu checkbox.
1206 menuItem.setChecked(domStorageEnabled);
1208 // Apply the new DOM Storage status.
1209 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1211 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1212 updatePrivacyIcons(true);
1214 // Display a `Snackbar`.
1215 if (domStorageEnabled) {
1216 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1218 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1221 // Reload the WebView.
1222 mainWebView.reload();
1225 case R.id.toggle_save_form_data:
1226 // Switch the status of saveFormDataEnabled.
1227 saveFormDataEnabled = !saveFormDataEnabled;
1229 // Update the menu checkbox.
1230 menuItem.setChecked(saveFormDataEnabled);
1232 // Apply the new form data status.
1233 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1235 // Display a `Snackbar`.
1236 if (saveFormDataEnabled) {
1237 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1239 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1242 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1243 updatePrivacyIcons(true);
1245 // Reload the WebView.
1246 mainWebView.reload();
1249 case R.id.clear_cookies:
1250 if (Build.VERSION.SDK_INT < 21) {
1251 cookieManager.removeAllCookie();
1253 cookieManager.removeAllCookies(null);
1255 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show();
1258 case R.id.clear_dom_storage:
1259 WebStorage webStorage = WebStorage.getInstance();
1260 webStorage.deleteAllData();
1261 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show();
1264 case R.id.clear_form_data:
1265 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1266 mainWebViewDatabase.clearFormData();
1267 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_SHORT).show();
1270 case R.id.font_size_twenty_five_percent:
1271 mainWebView.getSettings().setTextZoom(25);
1274 case R.id.font_size_fifty_percent:
1275 mainWebView.getSettings().setTextZoom(50);
1278 case R.id.font_size_seventy_five_percent:
1279 mainWebView.getSettings().setTextZoom(75);
1282 case R.id.font_size_one_hundred_percent:
1283 mainWebView.getSettings().setTextZoom(100);
1286 case R.id.font_size_one_hundred_twenty_five_percent:
1287 mainWebView.getSettings().setTextZoom(125);
1290 case R.id.font_size_one_hundred_fifty_percent:
1291 mainWebView.getSettings().setTextZoom(150);
1294 case R.id.font_size_one_hundred_seventy_five_percent:
1295 mainWebView.getSettings().setTextZoom(175);
1298 case R.id.font_size_two_hundred_percent:
1299 mainWebView.getSettings().setTextZoom(200);
1302 case R.id.display_images:
1303 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1304 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1305 mainWebView.reload();
1306 } else { // Images are not currently loaded automatically.
1307 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1310 // Set `onTheFlyDisplayImagesSet`.
1311 onTheFlyDisplayImagesSet = true;
1315 // Setup the share string.
1317 if (webViewTitle != null) {
1318 shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1320 shareString = urlTextBox.getText().toString();
1323 // Create the share intent.
1324 Intent shareIntent = new Intent();
1325 shareIntent.setAction(Intent.ACTION_SEND);
1326 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1327 shareIntent.setType("text/plain");
1330 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1333 case R.id.find_on_page:
1334 // Hide the URL app bar.
1335 supportAppBar.setVisibility(View.GONE);
1337 // Show the Find on Page `RelativeLayout`.
1338 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1340 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1341 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1342 findOnPageEditText.postDelayed(new Runnable()
1347 // Set the focus on `findOnPageEditText`.
1348 findOnPageEditText.requestFocus();
1350 // Display the keyboard.
1351 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1357 // Get a `PrintManager` instance.
1358 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1360 // Convert `mainWebView` to `printDocumentAdapter`.
1361 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1363 // Print the document. The print attributes are `null`.
1364 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1367 case R.id.add_to_homescreen:
1368 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1369 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1370 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1372 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1376 mainWebView.reload();
1380 // Don't consume the event.
1381 return super.onOptionsItemSelected(menuItem);
1385 // removeAllCookies is deprecated, but it is required for API < 21.
1386 @SuppressWarnings("deprecation")
1388 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1389 int menuItemId = menuItem.getItemId();
1391 switch (menuItemId) {
1397 if (mainWebView.canGoBack()) {
1398 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1399 navigatingHistory = true;
1401 // Load the previous website in the history.
1402 mainWebView.goBack();
1407 if (mainWebView.canGoForward()) {
1408 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1409 navigatingHistory = true;
1411 // Load the next website in the history.
1412 mainWebView.goForward();
1417 // Get the `WebBackForwardList`.
1418 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1420 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1421 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1422 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1425 case R.id.bookmarks:
1426 // Launch BookmarksActivity.
1427 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1428 startActivity(bookmarksIntent);
1431 case R.id.downloads:
1432 // Launch the system Download Manager.
1433 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1435 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1436 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1438 startActivity(downloadManagerIntent);
1442 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1443 currentDomainName = "";
1445 // Launch `SettingsActivity`.
1446 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1447 startActivity(settingsIntent);
1451 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1452 currentDomainName = "";
1454 // Launch `DomainsActivity`.
1455 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1456 startActivity(domainsIntent);
1460 // Launch `GuideActivity`.
1461 Intent guideIntent = new Intent(this, GuideActivity.class);
1462 startActivity(guideIntent);
1466 // Launch `AboutActivity`.
1467 Intent aboutIntent = new Intent(this, AboutActivity.class);
1468 startActivity(aboutIntent);
1471 case R.id.clearAndExit:
1472 // Clear cookies. The commands changed slightly in API 21.
1473 if (Build.VERSION.SDK_INT >= 21) {
1474 cookieManager.removeAllCookies(null);
1476 cookieManager.removeAllCookie();
1479 // Clear DOM storage.
1480 WebStorage domStorage = WebStorage.getInstance();
1481 domStorage.deleteAllData();
1484 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1485 webViewDatabase.clearFormData();
1487 // Clear the cache. `true` includes disk files.
1488 mainWebView.clearCache(true);
1490 // Clear the back/forward history.
1491 mainWebView.clearHistory();
1493 // Clear any SSL certificate preferences.
1494 mainWebView.clearSslPreferences();
1496 // Clear `formattedUrlString`.
1497 formattedUrlString = null;
1499 // Clear `customHeaders`.
1500 customHeaders.clear();
1502 // Detach all views from `mainWebViewRelativeLayout`.
1503 mainWebViewRelativeLayout.removeAllViews();
1505 // Destroy the internal state of `mainWebView`.
1506 mainWebView.destroy();
1508 // Manually delete cache folders.
1510 // Delete the main `cache` folder.
1511 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1513 // 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`.
1514 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
1515 } catch (IOException e) {
1516 // Do nothing if an error is thrown.
1519 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1520 if (Build.VERSION.SDK_INT >= 21) {
1521 finishAndRemoveTask();
1526 // Remove the terminated program from RAM. The status code is `0`.
1534 // Close the navigation drawer.
1535 drawerLayout.closeDrawer(GravityCompat.START);
1540 public void onPostCreate(Bundle savedInstanceState) {
1541 super.onPostCreate(savedInstanceState);
1543 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1544 drawerToggle.syncState();
1548 public void onConfigurationChanged(Configuration newConfig) {
1549 super.onConfigurationChanged(newConfig);
1551 // Reload the ad for the free flavor if we are not in full screen mode.
1552 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1554 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1556 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1557 adView = findViewById(R.id.adview);
1560 // `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
1561 // ActivityCompat.invalidateOptionsMenu(this);
1565 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1566 // Store the `HitTestResult`.
1567 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1570 final String imageUrl;
1571 final String linkUrl;
1573 // Get a handle for the `ClipboardManager`.
1574 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1576 switch (hitTestResult.getType()) {
1577 // `SRC_ANCHOR_TYPE` is a link.
1578 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1579 // Get the target URL.
1580 linkUrl = hitTestResult.getExtra();
1582 // Set the target URL as the title of the `ContextMenu`.
1583 menu.setHeaderTitle(linkUrl);
1585 // Add a `Load URL` entry.
1586 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1588 public boolean onMenuItemClick(MenuItem item) {
1594 // Add a `Copy URL` entry.
1595 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1597 public boolean onMenuItemClick(MenuItem item) {
1598 // Save the link URL in a `ClipData`.
1599 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1601 // Set the `ClipData` as the clipboard's primary clip.
1602 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1607 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1608 menu.add(R.string.cancel);
1611 case WebView.HitTestResult.EMAIL_TYPE:
1612 // Get the target URL.
1613 linkUrl = hitTestResult.getExtra();
1615 // Set the target URL as the title of the `ContextMenu`.
1616 menu.setHeaderTitle(linkUrl);
1618 // Add a `Write Email` entry.
1619 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1621 public boolean onMenuItemClick(MenuItem item) {
1622 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1623 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1625 // Parse the url and set it as the data for the `Intent`.
1626 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1628 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1629 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1632 startActivity(emailIntent);
1637 // Add a `Copy Email Address` entry.
1638 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1640 public boolean onMenuItemClick(MenuItem item) {
1641 // Save the email address in a `ClipData`.
1642 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1644 // Set the `ClipData` as the clipboard's primary clip.
1645 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1650 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1651 menu.add(R.string.cancel);
1654 // `IMAGE_TYPE` is an image.
1655 case WebView.HitTestResult.IMAGE_TYPE:
1656 // Get the image URL.
1657 imageUrl = hitTestResult.getExtra();
1659 // Set the image URL as the title of the `ContextMenu`.
1660 menu.setHeaderTitle(imageUrl);
1662 // Add a `View Image` entry.
1663 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1665 public boolean onMenuItemClick(MenuItem item) {
1671 // Add a `Download Image` entry.
1672 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1674 public boolean onMenuItemClick(MenuItem item) {
1675 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1676 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1677 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1682 // Add a `Copy URL` entry.
1683 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1685 public boolean onMenuItemClick(MenuItem item) {
1686 // Save the image URL in a `ClipData`.
1687 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1689 // Set the `ClipData` as the clipboard's primary clip.
1690 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1695 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1696 menu.add(R.string.cancel);
1700 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1701 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1702 // Get the image URL.
1703 imageUrl = hitTestResult.getExtra();
1705 // Set the image URL as the title of the `ContextMenu`.
1706 menu.setHeaderTitle(imageUrl);
1708 // Add a `View Image` entry.
1709 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1711 public boolean onMenuItemClick(MenuItem item) {
1717 // Add a `Download Image` entry.
1718 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1720 public boolean onMenuItemClick(MenuItem item) {
1721 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1722 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1723 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1728 // Add a `Copy URL` entry.
1729 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1731 public boolean onMenuItemClick(MenuItem item) {
1732 // Save the image URL in a `ClipData`.
1733 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1735 // Set the `ClipData` as the clipboard's primary clip.
1736 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1741 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1742 menu.add(R.string.cancel);
1748 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1749 // Get shortcutNameEditText from the alert dialog.
1750 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1752 // Create the bookmark shortcut based on formattedUrlString.
1753 Intent bookmarkShortcut = new Intent();
1754 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1755 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1757 // Place the bookmark shortcut on the home screen.
1758 Intent placeBookmarkShortcut = new Intent();
1759 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1760 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1761 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1762 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1763 sendBroadcast(placeBookmarkShortcut);
1767 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1768 // Download the image if it has an HTTP or HTTPS URI.
1769 if (imageUrl.startsWith("http")) {
1770 // Get a handle for the system `DOWNLOAD_SERVICE`.
1771 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1773 // Parse `imageUrl`.
1774 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1776 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1777 if (firstPartyCookiesEnabled) {
1778 // Get the cookies for `imageUrl`.
1779 String cookies = cookieManager.getCookie(imageUrl);
1781 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1782 downloadRequest.addRequestHeader("Cookie", cookies);
1785 // Get the file name from `dialogFragment`.
1786 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1787 String imageName = downloadImageNameEditText.getText().toString();
1789 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1790 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1791 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1792 } else { // Only set the title using `imageName`.
1793 downloadRequest.setTitle(imageName);
1796 // Allow `MediaScanner` to index the download if it is a media file.
1797 downloadRequest.allowScanningByMediaScanner();
1799 // Add the URL as the description for the download.
1800 downloadRequest.setDescription(imageUrl);
1802 // Show the download notification after the download is completed.
1803 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1805 // Initiate the download.
1806 downloadManager.enqueue(downloadRequest);
1807 } else { // The image is not an HTTP or HTTPS URI.
1808 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
1813 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
1814 // Download the file if it has an HTTP or HTTPS URI.
1815 if (downloadUrl.startsWith("http")) {
1817 // Get a handle for the system `DOWNLOAD_SERVICE`.
1818 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1820 // Parse `downloadUrl`.
1821 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
1823 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
1824 if (firstPartyCookiesEnabled) {
1825 // Get the cookies for `downloadUrl`.
1826 String cookies = cookieManager.getCookie(downloadUrl);
1828 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1829 downloadRequest.addRequestHeader("Cookie", cookies);
1832 // Get the file name from `dialogFragment`.
1833 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
1834 String fileName = downloadFileNameEditText.getText().toString();
1836 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1837 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
1838 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
1839 } else { // Only set the title using `fileName`.
1840 downloadRequest.setTitle(fileName);
1843 // Allow `MediaScanner` to index the download if it is a media file.
1844 downloadRequest.allowScanningByMediaScanner();
1846 // Add the URL as the description for the download.
1847 downloadRequest.setDescription(downloadUrl);
1849 // Show the download notification after the download is completed.
1850 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
1852 // Initiate the download.
1853 downloadManager.enqueue(downloadRequest);
1854 } else { // The download is not an HTTP or HTTPS URI.
1855 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
1859 public void viewSslCertificate(View view) {
1860 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
1861 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
1862 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
1866 public void onSslErrorCancel() {
1867 sslErrorHandler.cancel();
1871 public void onSslErrorProceed() {
1872 sslErrorHandler.proceed();
1876 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
1877 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1878 navigatingHistory = true;
1880 // Load the history entry.
1881 mainWebView.goBackOrForward(moveBackOrForwardSteps);
1885 public void onClearHistory() {
1886 // Clear the history.
1887 mainWebView.clearHistory();
1890 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
1892 public void onBackPressed() {
1893 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
1894 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1895 drawerLayout.closeDrawer(GravityCompat.START);
1897 // Load the previous URL if available.
1898 if (mainWebView.canGoBack()) {
1899 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1900 navigatingHistory = true;
1903 mainWebView.goBack();
1905 // Pass `onBackPressed()` to the system.
1906 super.onBackPressed();
1911 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
1912 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
1913 String unformattedUrlString = urlTextBox.getText().toString().trim();
1915 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
1916 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
1917 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
1918 if (!unformattedUrlString.startsWith("http")) {
1919 unformattedUrlString = "http://" + unformattedUrlString;
1922 // Initialize `unformattedUrl`.
1923 URL unformattedUrl = null;
1925 // 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.
1927 unformattedUrl = new URL(unformattedUrlString);
1928 } catch (MalformedURLException e) {
1929 e.printStackTrace();
1932 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
1933 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
1934 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
1935 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
1936 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
1937 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
1940 Uri.Builder formattedUri = new Uri.Builder();
1941 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
1943 // Decode `formattedUri` as a `String` in `UTF-8`.
1944 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
1946 // Sanitize the search input and convert it to a search.
1947 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
1949 // Add the base search URL.
1950 formattedUrlString = searchURL + encodedUrlString;
1953 loadUrl(formattedUrlString);
1955 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1956 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1960 private void loadUrl(String url) {
1961 // Apply any custom domain settings.
1962 applyDomainSettings(url);
1965 mainWebView.loadUrl(url, customHeaders);
1968 public void findPreviousOnPage(View view) {
1969 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
1970 mainWebView.findNext(false);
1973 public void findNextOnPage(View view) {
1974 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
1975 mainWebView.findNext(true);
1978 public void closeFindOnPage(View view) {
1979 // Delete the contents of `find_on_page_edittext`.
1980 findOnPageEditText.setText(null);
1982 // Clear the highlighted phrases.
1983 mainWebView.clearMatches();
1985 // Hide the Find on Page `RelativeLayout`.
1986 findOnPageLinearLayout.setVisibility(View.GONE);
1988 // Show the URL app bar.
1989 supportAppBar.setVisibility(View.VISIBLE);
1991 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
1992 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
1995 private void applyAppSettings() {
1996 // Get the shared preference values. `this` references the current context.
1997 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1999 // Store the values from `sharedPreferences` in variables.
2000 String homepageString = sharedPreferences.getString("homepage", "https://duckduckgo.com");
2001 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2002 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2003 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2004 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2005 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2006 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2007 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2008 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2009 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2010 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2011 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2012 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2013 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2014 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2016 // Set the homepage, search, and proxy options.
2017 if (proxyThroughOrbot) { // Set the Tor options.
2018 // Set `torHomepageString` as `homepage`.
2019 homepage = torHomepageString;
2021 // If formattedUrlString is null assign the homepage to it.
2022 if (formattedUrlString == null) {
2023 formattedUrlString = homepage;
2026 // Set the search URL.
2027 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2028 searchURL = torSearchCustomURLString;
2029 } else { // Use the string from the pre-built list.
2030 searchURL = torSearchString;
2033 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2034 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2036 // Display a message to the user if we are waiting on Orbot.
2037 if (!orbotStatus.equals("ON")) {
2038 // Set `waitingForOrbot`.
2039 waitingForOrbot = true;
2041 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2042 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2044 } else { // Set the non-Tor options.
2045 // Set `homepageString` as `homepage`.
2046 homepage = homepageString;
2048 // If formattedUrlString is null assign the homepage to it.
2049 if (formattedUrlString == null) {
2050 formattedUrlString = homepage;
2053 // Set the search URL.
2054 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2055 searchURL = searchCustomURLString;
2056 } else { // Use the string from the pre-built list.
2057 searchURL = searchString;
2060 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2061 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2063 // Reset `waitingForOrbot.
2064 waitingForOrbot = false;
2067 // Set swipe to refresh.
2068 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2070 // Set Do Not Track status.
2071 if (doNotTrackEnabled) {
2072 customHeaders.put("DNT", "1");
2074 customHeaders.remove("DNT");
2077 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2078 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2079 if (hideSystemBarsOnFullscreen) { // Hide everything.
2080 // Remove the translucent navigation setting if it is currently flagged.
2081 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2083 // Remove the translucent status bar overlay.
2084 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2086 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2087 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2089 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2090 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2091 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2093 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2094 } else { // Hide everything except the status and navigation bars.
2095 // Add the translucent status flag if it is unset.
2096 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2098 if (translucentNavigationBarOnFullscreen) {
2099 // Set the navigation bar to be translucent.
2100 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2102 // Set the navigation bar to be black.
2103 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2106 } else { // Switch to normal viewing mode.
2107 // Reset `inFullScreenBrowsingMode` to `false`.
2108 inFullScreenBrowsingMode = false;
2110 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2111 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2115 // Show the `BannerAd` in the free flavor.
2116 if (BuildConfig.FLAVOR.contentEquals("free")) {
2117 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2118 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2120 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2121 adView = findViewById(R.id.adview);
2124 // Remove the translucent navigation bar flag if it is set.
2125 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2127 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2128 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2130 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2131 rootCoordinatorLayout.setSystemUiVisibility(0);
2133 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2134 rootCoordinatorLayout.setFitsSystemWindows(true);
2138 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2139 @SuppressWarnings("deprecation")
2140 private void applyDomainSettings(String url) {
2141 // Reset `navigatingHistory`.
2142 navigatingHistory = false;
2144 // Parse the URL into a URI.
2145 Uri uri = Uri.parse(url);
2147 // Extract the domain from `uri`.
2148 String hostName = uri.getHost();
2150 // Initialize `loadingNewDomainName`.
2151 boolean loadingNewDomainName;
2153 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
2154 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
2155 //noinspection SimplifiableIfStatement
2156 if ((hostName == null) || (currentDomainName == null)) {
2157 loadingNewDomainName = true;
2158 } else { // Determine if `hostName` equals `currentDomainName`.
2159 loadingNewDomainName = !hostName.equals(currentDomainName);
2162 // 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.
2163 if (loadingNewDomainName) {
2164 // Set the new `hostname` as the `currentDomainName`.
2165 currentDomainName = hostName;
2167 // Reset `favoriteIconBitmap` and display it in the `appbar`.
2168 favoriteIconBitmap = favoriteIconDefaultBitmap;
2169 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
2171 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2172 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2173 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2175 // Get a full cursor from `domainsDatabaseHelper`.
2176 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
2178 // Initialize `domainSettingsSet`.
2179 Set<String> domainSettingsSet = new HashSet<>();
2181 // Get the domain name column index.
2182 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
2184 // Populate `domainSettingsSet`.
2185 for (int i = 0; i < domainNameCursor.getCount(); i++) {
2186 // Move `domainsCursor` to the current row.
2187 domainNameCursor.moveToPosition(i);
2189 // Store the domain name in `domainSettingsSet`.
2190 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
2193 // Close `domainNameCursor.
2194 domainNameCursor.close();
2196 // Initialize variables to track if domain settings will be applied and, if so, under which name.
2197 domainSettingsApplied = false;
2198 String domainNameInDatabase = null;
2200 // Check the hostname.
2201 if (domainSettingsSet.contains(hostName)) {
2202 domainSettingsApplied = true;
2203 domainNameInDatabase = hostName;
2206 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
2207 if (hostName != null) {
2208 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
2209 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
2210 domainSettingsApplied = true;
2211 domainNameInDatabase = "*." + hostName;
2214 // Strip out the lowest subdomain of `host`.
2215 hostName = hostName.substring(hostName.indexOf(".") + 1);
2219 // Get a handle for the shared preference. `this` references the current context.
2220 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2222 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
2223 // Get a cursor for the current host and move it to the first position.
2224 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2225 currentHostDomainSettingsCursor.moveToFirst();
2227 // Get the settings from the cursor.
2228 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2229 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2230 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2231 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2232 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2233 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
2234 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
2235 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
2237 // Close `currentHostDomainSettingsCursor`.
2238 currentHostDomainSettingsCursor.close();
2240 // Apply the domain settings.
2241 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2242 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2243 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2244 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2245 mainWebView.getSettings().setTextZoom(fontSize);
2247 // Set third-party cookies status if API >= 21.
2248 if (Build.VERSION.SDK_INT >= 21) {
2249 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2252 // Set the user agent.
2253 if (userAgentString.equals("WebView default user agent")) {
2254 // Set the user agent to `""`, which uses the default value.
2255 mainWebView.getSettings().setUserAgentString("");
2257 // Use the selected user agent.
2258 mainWebView.getSettings().setUserAgentString(userAgentString);
2261 // 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.
2262 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_green));
2263 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2264 // Store the values from `sharedPreferences` in variables.
2265 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2266 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2267 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2268 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2269 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2270 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2271 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2272 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2274 // Apply the default settings.
2275 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2276 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2277 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2278 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2279 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2281 // Set third-party cookies status if API >= 21.
2282 if (Build.VERSION.SDK_INT >= 21) {
2283 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2286 // Set the default user agent.
2287 switch (userAgentString) {
2288 case "WebView default user agent":
2289 // Set the user agent to `""`, which uses the default value.
2290 mainWebView.getSettings().setUserAgentString("");
2293 case "Custom user agent":
2294 // Set the custom user agent.
2295 mainWebView.getSettings().setUserAgentString(customUserAgentString);
2299 // Use the selected user agent.
2300 mainWebView.getSettings().setUserAgentString(userAgentString);
2304 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2305 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.drawable.url_bar_background_transparent));
2308 // Close `domainsDatabaseHelper`.
2309 domainsDatabaseHelper.close();
2311 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
2312 onTheFlyDisplayImagesSet = false;
2313 setDisplayWebpageImages();
2315 // Update the privacy icons, but only if `mainMenu` has already been populated.
2316 if (mainMenu != null) {
2317 updatePrivacyIcons(true);
2322 private void setDisplayWebpageImages() {
2323 if (!onTheFlyDisplayImagesSet) {
2324 if (domainSettingsApplied) { // Custom domain settings are applied.
2325 switch (displayWebpageImagesInt) {
2326 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
2327 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2330 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
2331 mainWebView.getSettings().setLoadsImagesAutomatically(true);
2334 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
2335 mainWebView.getSettings().setLoadsImagesAutomatically(false);
2338 } else { // Default settings are applied.
2339 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2344 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2345 // Get handles for the icons.
2346 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
2347 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
2348 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
2349 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
2351 // Update `privacyIcon`.
2352 if (javaScriptEnabled) { // JavaScript is enabled.
2353 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
2354 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2355 privacyIconMenuItem.setIcon(R.drawable.warning);
2356 } else { // All the dangerous features are disabled.
2357 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
2360 // Update `firstPartyCookiesIcon`.
2361 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2362 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
2363 } else { // First-party cookies are disabled.
2364 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled);
2367 // Update `domStorageIcon`.
2368 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2369 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
2370 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2371 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled);
2372 } else { // JavaScript is disabled, so DOM storage is ghosted.
2373 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted);
2376 // Update `formDataIcon`.
2377 if (saveFormDataEnabled) { // Form data is enabled.
2378 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
2379 } else { // Form data is disabled.
2380 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled);
2383 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2384 if (runInvalidateOptionsMenu) {
2385 ActivityCompat.invalidateOptionsMenu(this);