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.Typeface;
38 import android.graphics.drawable.BitmapDrawable;
39 import android.graphics.drawable.Drawable;
40 import android.net.Uri;
41 import android.net.http.SslCertificate;
42 import android.net.http.SslError;
43 import android.os.Build;
44 import android.os.Bundle;
45 import android.preference.PreferenceManager;
46 import android.print.PrintDocumentAdapter;
47 import android.print.PrintManager;
48 import android.support.annotation.NonNull;
49 import android.support.design.widget.CoordinatorLayout;
50 import android.support.design.widget.NavigationView;
51 import android.support.design.widget.Snackbar;
52 import android.support.v4.app.ActivityCompat;
53 import android.support.v4.content.ContextCompat;
54 import android.support.v4.view.GravityCompat;
55 import android.support.v4.widget.DrawerLayout;
56 import android.support.v4.widget.SwipeRefreshLayout;
57 import android.support.v7.app.ActionBar;
58 import android.support.v7.app.ActionBarDrawerToggle;
59 import android.support.v7.app.AppCompatActivity;
60 import android.support.v7.app.AppCompatDialogFragment;
61 import android.support.v7.widget.Toolbar;
62 import android.text.Editable;
63 import android.text.Spanned;
64 import android.text.TextWatcher;
65 import android.text.style.ForegroundColorSpan;
66 import android.text.style.StyleSpan;
67 import android.util.Patterns;
68 import android.view.ContextMenu;
69 import android.view.GestureDetector;
70 import android.view.KeyEvent;
71 import android.view.Menu;
72 import android.view.MenuItem;
73 import android.view.MotionEvent;
74 import android.view.View;
75 import android.view.WindowManager;
76 import android.view.inputmethod.InputMethodManager;
77 import android.webkit.CookieManager;
78 import android.webkit.DownloadListener;
79 import android.webkit.SslErrorHandler;
80 import android.webkit.WebBackForwardList;
81 import android.webkit.WebChromeClient;
82 import android.webkit.WebResourceResponse;
83 import android.webkit.WebStorage;
84 import android.webkit.WebView;
85 import android.webkit.WebViewClient;
86 import android.webkit.WebViewDatabase;
87 import android.widget.EditText;
88 import android.widget.FrameLayout;
89 import android.widget.ImageView;
90 import android.widget.LinearLayout;
91 import android.widget.ProgressBar;
92 import android.widget.RelativeLayout;
93 import android.widget.TextView;
95 import com.stoutner.privacybrowser.BannerAd;
96 import com.stoutner.privacybrowser.BuildConfig;
97 import com.stoutner.privacybrowser.R;
98 import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcutDialog;
99 import com.stoutner.privacybrowser.dialogs.DownloadImageDialog;
100 import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog;
101 import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog;
102 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
103 import com.stoutner.privacybrowser.helpers.OrbotProxyHelper;
104 import com.stoutner.privacybrowser.dialogs.DownloadFileDialog;
105 import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog;
107 import java.io.BufferedReader;
108 import java.io.ByteArrayInputStream;
109 import java.io.IOException;
110 import java.io.InputStreamReader;
111 import java.io.UnsupportedEncodingException;
112 import java.net.MalformedURLException;
114 import java.net.URLDecoder;
115 import java.net.URLEncoder;
116 import java.util.HashMap;
117 import java.util.HashSet;
118 import java.util.Map;
119 import java.util.Set;
121 // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
122 public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
123 SslCertificateErrorDialog.SslCertificateErrorListener, DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, UrlHistoryDialog.UrlHistoryListener {
125 // `darkTheme` is public static so it can be accessed from `AboutActivity`, `GuideActivity`, `AddDomainDialog`, `SettingsActivity`, `DomainsActivity`, `DomainsSettingsActivity`, `BookmarksActivity`, `BookmarksDatabaseViewActivity`,
126 // `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `DownloadFileDialog`, `DownloadImageDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `MoveToFolderDialog`, `SslCertificateErrorDialog`, `UrlHistoryDialog`, `ViewSslCertificateDialog`,
127 // `CreateHomeScreenShortcutDialog`, and `OrbotProxyHelper`. It is also used in `onCreate()`, `applyAppSettings()`, `applyDomainSettings()`, and `updatePrivacyIcons()`.
128 public static boolean darkTheme;
130 // `favoriteIconBitmap` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `ViewSslCertificateDialog`.
131 // It is also used in `onCreate()`, `onCreateHomeScreenShortcutCreate()`, and `applyDomainSettings`.
132 public static Bitmap favoriteIconBitmap;
134 // `formattedUrlString` is public static so it can be accessed from `BookmarksActivity`, `CreateBookmarkDialog`, and `AddDomainDialog`.
135 // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onCreateHomeScreenShortcutCreate()`, and `loadUrlFromTextBox()`.
136 public static String formattedUrlString;
138 // `sslCertificate` is public static so it can be accessed from `ViewSslCertificateDialog`. It is also used in `onCreate()`.
139 public static SslCertificate sslCertificate;
141 // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`.
142 public static String orbotStatus;
144 // `webViewTitle` is public static so it can be accessed from `CreateBookmarkDialog` and `CreateHomeScreenShortcutDialog`. It is also used in `onCreate()`.
145 public static String webViewTitle;
147 // `displayWebpageImagesBoolean` is public static so it can be accessed from `DomainSettingsFragment`. It is also used in `applyAppSettings()` and `applyDomainSettings()`.
148 public static boolean displayWebpageImagesBoolean;
150 // `reloadOnRestartBoolean` is public static so it can be accessed from `SettingsFragment`. It is also used in `onRestart()`
151 public static boolean reloadOnRestartBoolean;
154 // `appBar` is used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applyAppSettings()`.
155 private ActionBar appBar;
157 // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
158 private boolean navigatingHistory;
160 // `favoriteIconDefaultBitmap` is used in `onCreate()` and `applyDomainSettings`.
161 private Bitmap favoriteIconDefaultBitmap;
163 // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`.
164 private DrawerLayout drawerLayout;
166 // `rootCoordinatorLayout` is used in `onCreate()` and `applyAppSettings()`.
167 private CoordinatorLayout rootCoordinatorLayout;
169 // `mainWebView` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, `loadUrlFromTextBox()`
170 // and `setDisplayWebpageImages()`.
171 private WebView mainWebView;
173 // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
174 private FrameLayout fullScreenVideoFrameLayout;
176 // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
177 private SwipeRefreshLayout swipeRefreshLayout;
179 // `urlAppBarRelativeLayout` is used in `onCreate()` and `applyDomainSettings()`.
180 private RelativeLayout urlAppBarRelativeLayout;
182 // `favoriteIconImageView` is used in `onCreate()` and `applyDomainSettings()`
183 private ImageView favoriteIconImageView;
185 // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `loadUrlFromTextBox()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
186 private CookieManager cookieManager;
188 // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`.
189 private final Map<String, String> customHeaders = new HashMap<>();
191 // `javaScriptEnabled` is also used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `applyAppSettings()`.
192 // It is `Boolean` instead of `boolean` because `applyAppSettings()` needs to know if it is `null`.
193 private Boolean javaScriptEnabled;
195 // `firstPartyCookiesEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applyAppSettings()`.
196 private boolean firstPartyCookiesEnabled;
198 // `thirdPartyCookiesEnabled` used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
199 private boolean thirdPartyCookiesEnabled;
201 // `domStorageEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
202 private boolean domStorageEnabled;
204 // `saveFormDataEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
205 private boolean saveFormDataEnabled;
207 // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applyAppSettings()`.
208 private boolean swipeToRefreshEnabled;
210 // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applyAppSettings()`.
211 private String homepage;
213 // `searchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
214 private String searchURL;
216 // `adBlockerEnabled` is used in `onCreate()` and `applyAppSettings()`.
217 private boolean adBlockerEnabled;
219 // `privacyBrowserRuntime` is used in `onCreate()` and `applyAppSettings()`.
220 private Runtime privacyBrowserRuntime;
222 // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
223 private boolean incognitoModeEnabled;
225 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
226 private boolean fullScreenBrowsingModeEnabled;
228 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
229 private boolean inFullScreenBrowsingMode;
231 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
232 private boolean hideSystemBarsOnFullscreen;
234 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
235 private boolean translucentNavigationBarOnFullscreen;
237 // `currentDomainName` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
238 private String currentDomainName;
240 // `waitingForOrbot` is used in `onCreate()` and `applyAppSettings()`.
241 private boolean waitingForOrbot;
243 // `domainSettingsApplied` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
244 private boolean domainSettingsApplied;
246 // `displayWebpageImagesInt` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
247 private int displayWebpageImagesInt;
249 // `onTheFlyDisplayImagesSet` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
250 private boolean onTheFlyDisplayImagesSet;
252 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
253 private String waitingForOrbotHTMLString;
255 // `privateDataDirectoryString` is used in `onCreate()` and `onNavigationItemSelected()`.
256 private String privateDataDirectoryString;
258 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
259 private LinearLayout findOnPageLinearLayout;
261 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
262 private EditText findOnPageEditText;
264 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
265 private Menu mainMenu;
267 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
268 private ActionBarDrawerToggle drawerToggle;
270 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
271 private Toolbar supportAppBar;
273 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, `loadUrl()`, and `highlightUrlText()`.
274 private EditText urlTextBox;
276 // `redColorSpan` is used in `onCreate()` and `highlightUrlText()`.
277 private ForegroundColorSpan redColorSpan;
279 // `initialGrayColorSpan` is sued in `onCreate()` and `highlightUrlText()`.
280 private ForegroundColorSpan initialGrayColorSpan;
282 // `finalGrayColorSpam` is used in `onCreate()` and `highlightUrlText()`.
283 private ForegroundColorSpan finalGrayColorSpan;
285 // `boldStyleSpan` is used in `onCreate()` and `highlightUrlText()`.
286 private StyleSpan boldStyleSpan;
288 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
291 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
292 private SslErrorHandler sslErrorHandler;
294 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
295 private InputMethodManager inputMethodManager;
297 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
298 private RelativeLayout mainWebViewRelativeLayout;
301 // 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.
302 @SuppressLint("SetJavaScriptEnabled")
303 // Remove Android Studio's warning about deprecations. We have to use the deprecated `getColor()` until API >= 23.
304 @SuppressWarnings("deprecation")
305 protected void onCreate(Bundle savedInstanceState) {
306 // Get a handle for `sharedPreferences`. `this` references the current context.
307 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
309 // Get the theme preference.
310 darkTheme = sharedPreferences.getBoolean("dark_theme", false);
312 // Set the activity theme.
314 setTheme(R.style.PrivacyBrowserDark);
316 setTheme(R.style.PrivacyBrowserLight);
319 // Run the default commands.
320 super.onCreate(savedInstanceState);
322 // Set the content view.
323 setContentView(R.layout.main_drawerlayout);
325 // Get a handle for `inputMethodManager`.
326 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
328 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
329 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
330 setSupportActionBar(supportAppBar);
331 appBar = getSupportActionBar();
333 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
334 assert appBar != null;
336 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
337 appBar.setCustomView(R.layout.url_app_bar);
338 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
340 // Initialize the `ForegroundColorSpans` and `StyleSpan` for highlighting `urlTextBox`. We have to use the deprecated `getColor()` until API >= 23.
341 redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
342 initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
343 finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
344 boldStyleSpan = new StyleSpan(Typeface.BOLD);
346 // Get a handle for `urlTextBox`.
347 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
349 // Remove the formatting from `urlTextBar` when the user is editing the text.
350 urlTextBox.setOnFocusChangeListener(new View.OnFocusChangeListener() {
352 public void onFocusChange(View v, boolean hasFocus) {
353 if (hasFocus) { // The user is editing `urlTextBox`.
354 // Remove the highlighting.
355 urlTextBox.getText().removeSpan(redColorSpan);
356 urlTextBox.getText().removeSpan(initialGrayColorSpan);
357 urlTextBox.getText().removeSpan(finalGrayColorSpan);
358 urlTextBox.getText().removeSpan(boldStyleSpan);
359 } else { // The user has stopped editing `urlTextBox`.
360 // Reapply the highlighting.
363 // Scroll to the beginning of the text.
364 urlTextBox.setScrollX(0);
369 // Set the `Go` button on the keyboard to load the URL in `urlTextBox`.
370 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
372 public boolean onKey(View v, int keyCode, KeyEvent event) {
373 // If the event is a key-down event on the `enter` button, load the URL.
374 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
375 // Load the URL into the mainWebView and consume the event.
377 loadUrlFromTextBox();
378 } catch (UnsupportedEncodingException e) {
381 // If the enter key was pressed, consume the event.
384 // If any other key was pressed, do not consume the event.
390 // Set `waitingForOrbotHTMLString`.
391 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
393 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
394 currentDomainName = "";
395 orbotStatus = "unknown";
396 waitingForOrbot = false;
398 // Create an Orbot status `BroadcastReceiver`.
399 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
401 public void onReceive(Context context, Intent intent) {
402 // Store the content of the status message in `orbotStatus`.
403 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
405 // If we are waiting on Orbot, load the website now that Orbot is connected.
406 if (orbotStatus.equals("ON") && waitingForOrbot) {
407 // Reset `waitingForOrbot`.
408 waitingForOrbot = false;
410 // Load `formattedUrlString
411 loadUrl(formattedUrlString);
416 // Register `orbotStatusBroadcastReceiver` on `this` context.
417 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
419 // Get handles for views that need to be accessed.
420 drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
421 rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
422 mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
423 mainWebView = (WebView) findViewById(R.id.main_webview);
424 findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
425 findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
426 fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
427 urlAppBarRelativeLayout = (RelativeLayout) findViewById(R.id.url_app_bar_relativelayout);
428 favoriteIconImageView = (ImageView) findViewById(R.id.favorite_icon);
430 // Create a double-tap listener to toggle full-screen mode.
431 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
432 // Override `onDoubleTap()`. All other events are handled using the default settings.
434 public boolean onDoubleTap(MotionEvent event) {
435 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
436 // Toggle `inFullScreenBrowsingMode`.
437 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
439 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
440 // Hide the `appBar`.
443 // Hide the `BannerAd` in the free flavor.
444 if (BuildConfig.FLAVOR.contentEquals("free")) {
445 BannerAd.hideAd(adView);
448 // Modify the system bars.
449 if (hideSystemBarsOnFullscreen) { // Hide everything.
450 // Remove the translucent overlays.
451 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
453 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
454 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
456 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
457 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
458 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
460 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
462 // Set `rootCoordinatorLayout` to fill the whole screen.
463 rootCoordinatorLayout.setFitsSystemWindows(false);
464 } else { // Hide everything except the status and navigation bars.
465 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
466 rootCoordinatorLayout.setFitsSystemWindows(false);
468 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.
469 // Set the navigation bar to be translucent.
470 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
473 } else { // Switch to normal viewing mode.
474 // Show the `appBar`.
477 // Show the `BannerAd` in the free flavor.
478 if (BuildConfig.FLAVOR.contentEquals("free")) {
479 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
480 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
482 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
483 adView = findViewById(R.id.adview);
486 // Remove the translucent navigation bar flag if it is set.
487 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
489 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
490 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
492 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
493 rootCoordinatorLayout.setSystemUiVisibility(0);
495 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
496 rootCoordinatorLayout.setFitsSystemWindows(true);
499 // Consume the double-tap.
501 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
507 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
508 mainWebView.setOnTouchListener(new View.OnTouchListener() {
510 public boolean onTouch(View v, MotionEvent event) {
511 // Send the `event` to `gestureDetector`.
512 return gestureDetector.onTouchEvent(event);
516 // Update `findOnPageCountTextView`.
517 mainWebView.setFindListener(new WebView.FindListener() {
518 // Get a handle for `findOnPageCountTextView`.
519 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
522 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
523 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
524 // Set `findOnPageCountTextView` to `0/0`.
525 findOnPageCountTextView.setText(R.string.zero_of_zero);
526 } else if (isDoneCounting) { // There are matches.
527 // `activeMatchOrdinal` is zero-based.
528 int activeMatch = activeMatchOrdinal + 1;
530 // Set `findOnPageCountTextView`.
531 findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
536 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
537 findOnPageEditText.addTextChangedListener(new TextWatcher() {
539 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
544 public void onTextChanged(CharSequence s, int start, int before, int count) {
549 public void afterTextChanged(Editable s) {
550 // Search for the text in `mainWebView`.
551 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
555 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
556 findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
558 public boolean onKey(View v, int keyCode, KeyEvent event) {
559 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
560 // Hide the soft keyboard. `0` indicates no additional flags.
561 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
563 // Consume the event.
565 } else { // A different key was pressed.
566 // Do not consume the event.
572 // Implement swipe to refresh
573 swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refreshlayout);
574 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
575 swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
577 public void onRefresh() {
578 mainWebView.reload();
582 // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
583 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
585 // Listen for touches on the navigation menu.
586 final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
587 navigationView.setNavigationItemSelectedListener(this);
589 // 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.
590 final Menu navigationMenu = navigationView.getMenu();
591 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
592 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
593 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
595 // The `DrawerListener` allows us to update the Navigation Menu.
596 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
598 public void onDrawerSlide(View drawerView, float slideOffset) {
602 public void onDrawerOpened(View drawerView) {
606 public void onDrawerClosed(View drawerView) {
610 public void onDrawerStateChanged(int newState) {
611 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
612 // Update the `Back`, `Forward`, and `History` menu items.
613 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
614 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
615 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
617 // Hide the keyboard (if displayed) so we can see the navigation menu. `0` indicates no additional flags.
618 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
620 // Clear the focus from `urlTextBox` if it has it.
621 urlTextBox.clearFocus();
626 // drawerToggle creates the hamburger icon at the start of the AppBar.
627 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
629 // Initialize `adServerSet`.
630 final Set<String> adServersSet = new HashSet<>();
632 // Load the list of ad servers into memory.
634 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
635 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
637 // Create a string for storing each ad server.
640 // Populate `adServersSet`.
641 while ((adServer = bufferedReader.readLine()) != null) {
642 adServersSet.add(adServer);
645 // Close `bufferedReader`.
646 bufferedReader.close();
647 } catch (IOException ioException) {
648 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
651 mainWebView.setWebViewClient(new WebViewClient() {
652 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
653 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
654 @SuppressWarnings("deprecation")
656 public boolean shouldOverrideUrlLoading(WebView view, String url) {
657 if (url.startsWith("mailto:")) { // Load the URL in an external email program because it begins with `mailto:`.
658 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
659 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
661 // Parse the url and set it as the data for the `Intent`.
662 emailIntent.setData(Uri.parse(url));
664 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
665 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
668 startActivity(emailIntent);
670 // Returning `true` indicates the application is handling the URL.
672 } else { // Load the URL in Privacy Browser.
673 // Apply the domain settings for the new URL.
674 applyDomainSettings(url);
676 // Returning `false` causes the current `WebView` to handle the URL and prevents it from adding redirects to the history list.
681 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
682 @SuppressWarnings("deprecation")
684 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
685 if (adBlockerEnabled) { // Block ads.
686 // Extract the host from `url`.
687 Uri requestUri = Uri.parse(url);
688 String requestHost = requestUri.getHost();
690 // Initialize a variable to track if this is an ad server.
691 boolean requestHostIsAdServer = false;
693 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
694 if (requestHost != null) {
695 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
696 if (adServersSet.contains(requestHost)) {
697 requestHostIsAdServer = true;
700 // Strip out the lowest subdomain of `requestHost`.
701 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
705 if (requestHostIsAdServer) { // It is an ad server.
706 // Return an empty `WebResourceResponse`.
707 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
708 } else { // It is not an ad server.
709 // `return null` loads the requested resource.
712 } else { // Ad blocking is disabled.
713 // `return null` loads the requested resource.
718 // Update the URL in urlTextBox when the page starts to load.
720 public void onPageStarted(WebView view, String url, Bitmap favicon) {
721 // Reset `webViewTitle`
722 webViewTitle = getString(R.string.no_title);
724 // Check to see if we are waiting on Orbot.
725 if (!waitingForOrbot) { // We are not waiting on Orbot, so we need to process the URL.
726 // 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.
727 formattedUrlString = url;
729 // Display the formatted URL text.
730 urlTextBox.setText(formattedUrlString);
732 // Apply text highlighting to `urlTextBox`.
735 // Apply any custom domain settings if the URL was loaded by navigating history.
736 if (navigatingHistory) {
737 applyDomainSettings(url);
742 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
744 public void onPageFinished(WebView view, String url) {
745 // Clear the cache and history if Incognito Mode is enabled.
746 if (incognitoModeEnabled) {
747 // Clear the cache. `true` includes disk files.
748 mainWebView.clearCache(true);
750 // Clear the back/forward history.
751 mainWebView.clearHistory();
753 // Manually delete cache folders.
755 // Delete the main `cache` folder.
756 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
758 // 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`.
759 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
760 } catch (IOException e) {
761 // Do nothing if an error is thrown.
765 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
766 if (!waitingForOrbot) {
767 // Check to see if `WebView` has set `url` to be `about:blank`.
768 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
769 // Set `formattedUrlString` to `""`.
770 formattedUrlString = "";
772 urlTextBox.setText(formattedUrlString);
774 // Request focus for `urlTextBox`.
775 urlTextBox.requestFocus();
777 // Display the keyboard.
778 inputMethodManager.showSoftInput(urlTextBox, 0);
780 // Apply the domain settings. This clears any settings from the previous domain.
781 applyDomainSettings(formattedUrlString);
782 } else { // `WebView` has loaded a webpage.
783 // Set `formattedUrlString`.
784 formattedUrlString = url;
786 // Only update `urlTextBox` if the user is not typing in it.
787 if (!urlTextBox.hasFocus()) {
788 // Display the formatted URL text.
789 urlTextBox.setText(formattedUrlString);
791 // Apply text highlighting to `urlTextBox`.
796 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
797 sslCertificate = mainWebView.getCertificate();
801 // Handle SSL Certificate errors.
803 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
804 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
805 sslErrorHandler = handler;
807 // Display the SSL error `AlertDialog`.
808 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
809 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
813 // Get a handle for the progress bar.
814 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
816 mainWebView.setWebChromeClient(new WebChromeClient() {
817 // Update the progress bar when a page is loading.
819 public void onProgressChanged(WebView view, int progress) {
820 progressBar.setProgress(progress);
821 if (progress < 100) {
822 progressBar.setVisibility(View.VISIBLE);
824 progressBar.setVisibility(View.GONE);
826 //Stop the `SwipeToRefresh` indicator if it is running
827 swipeRefreshLayout.setRefreshing(false);
831 // Set the favorite icon when it changes.
833 public void onReceivedIcon(WebView view, Bitmap icon) {
834 // Only update the favorite icon if the website has finished loading.
835 if (progressBar.getVisibility() == View.GONE) {
836 // Save a copy of the favorite icon.
837 favoriteIconBitmap = icon;
839 // Place the favorite icon in the appBar.
840 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
844 // Save a copy of the title when it changes.
846 public void onReceivedTitle(WebView view, String title) {
847 // Save a copy of the title.
848 webViewTitle = title;
851 // Enter full screen video
853 public void onShowCustomView(View view, CustomViewCallback callback) {
854 // Pause the ad if this is the free flavor.
855 if (BuildConfig.FLAVOR.contentEquals("free")) {
856 BannerAd.pauseAd(adView);
859 // Remove the translucent overlays.
860 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
862 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
863 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
865 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
866 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
867 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
869 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
871 // Set `rootCoordinatorLayout` to fill the entire screen.
872 rootCoordinatorLayout.setFitsSystemWindows(false);
874 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
875 fullScreenVideoFrameLayout.addView(view);
876 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
879 // Exit full screen video
880 public void onHideCustomView() {
881 // Hide `fullScreenVideoFrameLayout`.
882 fullScreenVideoFrameLayout.removeAllViews();
883 fullScreenVideoFrameLayout.setVisibility(View.GONE);
885 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
886 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
888 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
889 rootCoordinatorLayout.setFitsSystemWindows(true);
891 // Show the ad if this is the free flavor.
892 if (BuildConfig.FLAVOR.contentEquals("free")) {
893 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
894 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
896 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
897 adView = findViewById(R.id.adview);
902 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
903 registerForContextMenu(mainWebView);
905 // Allow the downloading of files.
906 mainWebView.setDownloadListener(new DownloadListener() {
908 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
909 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
910 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
911 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
915 // Allow pinch to zoom.
916 mainWebView.getSettings().setBuiltInZoomControls(true);
918 // Hide zoom controls.
919 mainWebView.getSettings().setDisplayZoomControls(false);
921 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
922 mainWebView.getSettings().setUseWideViewPort(true);
924 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
925 mainWebView.getSettings().setLoadWithOverviewMode(true);
927 // Initialize cookieManager.
928 cookieManager = CookieManager.getInstance();
930 // 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).
931 customHeaders.put("X-Requested-With", "");
933 // 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.
934 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
936 // Get the intent that started the app.
937 final Intent launchingIntent = getIntent();
939 // Extract the launching intent data as `launchingIntentUriData`.
940 final Uri launchingIntentUriData = launchingIntent.getData();
942 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
943 if (launchingIntentUriData != null) {
944 formattedUrlString = launchingIntentUriData.toString();
947 // Get a handle for the `Runtime`.
948 privacyBrowserRuntime = Runtime.getRuntime();
950 // Store the application's private data directory.
951 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`.
953 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
954 inFullScreenBrowsingMode = false;
956 // Initialize AdView for the free flavor.
957 adView = findViewById(R.id.adview);
959 // Initialize the privacy settings variables.
960 javaScriptEnabled = false;
961 firstPartyCookiesEnabled = false;
962 thirdPartyCookiesEnabled = false;
963 domStorageEnabled = false;
964 saveFormDataEnabled = false;
966 // Initialize `webViewTitle`.
967 webViewTitle = getString(R.string.no_title);
969 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
970 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
971 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
972 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
974 // If the favorite icon is null, load the default.
975 if (favoriteIconBitmap == null) {
976 favoriteIconBitmap = favoriteIconDefaultBitmap;
979 // Apply the app settings from the shared preferences.
982 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
983 if (!waitingForOrbot) {
984 loadUrl(formattedUrlString);
989 protected void onNewIntent(Intent intent) {
990 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
993 if (intent.getData() != null) {
994 // Get the intent data and convert it to a string.
995 final Uri intentUriData = intent.getData();
996 formattedUrlString = intentUriData.toString();
999 // Close the navigation drawer if it is open.
1000 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1001 drawerLayout.closeDrawer(GravityCompat.START);
1004 // Load the website.
1005 loadUrl(formattedUrlString);
1007 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
1008 mainWebView.requestFocus();
1012 public void onRestart() {
1015 // Apply the app settings, which may have been changed in `SettingsActivity`.
1018 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1019 updatePrivacyIcons(true);
1021 // Set the display webpage images mode.
1022 setDisplayWebpageImages();
1024 // Reload the webpage if displaying of images has been disabled in `SettingsFragment`.
1025 if (reloadOnRestartBoolean) {
1026 // Reload `mainWebView`.
1027 mainWebView.reload();
1029 // Reset `reloadOnRestartBoolean`.
1030 reloadOnRestartBoolean = false;
1034 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
1036 public void onResume() {
1039 // Resume JavaScript (if enabled).
1040 mainWebView.resumeTimers();
1042 // Resume `mainWebView`.
1043 mainWebView.onResume();
1045 // Resume the adView for the free flavor.
1046 if (BuildConfig.FLAVOR.contentEquals("free")) {
1047 BannerAd.resumeAd(adView);
1052 public void onPause() {
1053 // Pause `mainWebView`.
1054 mainWebView.onPause();
1056 // Stop all JavaScript.
1057 mainWebView.pauseTimers();
1059 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1060 if (BuildConfig.FLAVOR.contentEquals("free")) {
1061 BannerAd.pauseAd(adView);
1068 public boolean onCreateOptionsMenu(Menu menu) {
1069 // Inflate the menu; this adds items to the action bar if it is present.
1070 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
1072 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
1075 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
1076 updatePrivacyIcons(false);
1078 // Get handles for the menu items.
1079 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1080 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1081 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1082 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1084 // Only display third-party cookies if SDK >= 21
1085 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1087 // Get the shared preference values. `this` references the current context.
1088 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1090 // Set the status of the additional app bar icons. The default is `false`.
1091 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1092 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1093 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1094 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1095 } else { //Do not display the additional icons.
1096 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1097 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1098 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1105 public boolean onPrepareOptionsMenu(Menu menu) {
1106 // Get handles for the menu items.
1107 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1108 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1109 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1110 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1111 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1112 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1113 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1114 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1115 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1117 // Set the status of the menu item checkboxes.
1118 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1119 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1120 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1121 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1122 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1124 // Enable third-party cookies if first-party cookies are enabled.
1125 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1127 // Enable DOM Storage if JavaScript is enabled.
1128 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1130 // Enable Clear Cookies if there are any.
1131 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1133 // Enable Clear Form Data is there is any.
1134 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1135 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1137 // Initialize font size variables.
1138 int fontSize = mainWebView.getSettings().getTextZoom();
1139 String fontSizeTitle;
1140 MenuItem selectedFontSizeMenuItem;
1142 // Prepare the font size title and current size menu item.
1145 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.twenty_five_percent);
1146 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1150 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
1151 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1155 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1156 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1160 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1161 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1165 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1166 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1170 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1171 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1175 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1176 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1180 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1181 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1185 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1186 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1190 // Set the font size title and select the current size menu item.
1191 fontSizeMenuItem.setTitle(fontSizeTitle);
1192 selectedFontSizeMenuItem.setChecked(true);
1194 // Only show `Refresh` if `swipeToRefresh` is disabled.
1195 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1197 // Run all the other default commands.
1198 super.onPrepareOptionsMenu(menu);
1200 // `return true` displays the menu.
1205 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1206 @SuppressLint("SetJavaScriptEnabled")
1207 // removeAllCookies is deprecated, but it is required for API < 21.
1208 @SuppressWarnings("deprecation")
1209 public boolean onOptionsItemSelected(MenuItem menuItem) {
1210 int menuItemId = menuItem.getItemId();
1212 // Set the commands that relate to the menu entries.
1213 switch (menuItemId) {
1214 case R.id.toggle_javascript:
1215 // Switch the status of javaScriptEnabled.
1216 javaScriptEnabled = !javaScriptEnabled;
1218 // Apply the new JavaScript status.
1219 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1221 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1222 updatePrivacyIcons(true);
1224 // Display a `Snackbar`.
1225 if (javaScriptEnabled) { // JavaScrip is enabled.
1226 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1227 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1228 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1229 } else { // Privacy mode.
1230 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1233 // Reload the WebView.
1234 mainWebView.reload();
1237 case R.id.toggle_first_party_cookies:
1238 // Switch the status of firstPartyCookiesEnabled.
1239 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1241 // Update the menu checkbox.
1242 menuItem.setChecked(firstPartyCookiesEnabled);
1244 // Apply the new cookie status.
1245 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1247 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1248 updatePrivacyIcons(true);
1250 // Display a `Snackbar`.
1251 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1252 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1253 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1254 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1255 } else { // Privacy mode.
1256 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1259 // Reload the WebView.
1260 mainWebView.reload();
1263 case R.id.toggle_third_party_cookies:
1264 if (Build.VERSION.SDK_INT >= 21) {
1265 // Switch the status of thirdPartyCookiesEnabled.
1266 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1268 // Update the menu checkbox.
1269 menuItem.setChecked(thirdPartyCookiesEnabled);
1271 // Apply the new cookie status.
1272 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1274 // Display a `Snackbar`.
1275 if (thirdPartyCookiesEnabled) {
1276 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1278 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1281 // Reload the WebView.
1282 mainWebView.reload();
1283 } // Else do nothing because SDK < 21.
1286 case R.id.toggle_dom_storage:
1287 // Switch the status of domStorageEnabled.
1288 domStorageEnabled = !domStorageEnabled;
1290 // Update the menu checkbox.
1291 menuItem.setChecked(domStorageEnabled);
1293 // Apply the new DOM Storage status.
1294 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1296 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1297 updatePrivacyIcons(true);
1299 // Display a `Snackbar`.
1300 if (domStorageEnabled) {
1301 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1303 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1306 // Reload the WebView.
1307 mainWebView.reload();
1310 case R.id.toggle_save_form_data:
1311 // Switch the status of saveFormDataEnabled.
1312 saveFormDataEnabled = !saveFormDataEnabled;
1314 // Update the menu checkbox.
1315 menuItem.setChecked(saveFormDataEnabled);
1317 // Apply the new form data status.
1318 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1320 // Display a `Snackbar`.
1321 if (saveFormDataEnabled) {
1322 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1324 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1327 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1328 updatePrivacyIcons(true);
1330 // Reload the WebView.
1331 mainWebView.reload();
1334 case R.id.clear_cookies:
1335 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_LONG)
1336 .setAction(R.string.undo, new View.OnClickListener() {
1338 public void onClick(View v) {
1339 // Do nothing because everything will be handled by `onDismissed()` below.
1342 .addCallback(new Snackbar.Callback() {
1344 public void onDismissed(Snackbar snackbar, int event) {
1346 // The user pushed the `Undo` button.
1347 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1351 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1353 // `cookieManager.removeAllCookie()` varies by SDK.
1354 if (Build.VERSION.SDK_INT < 21) {
1355 cookieManager.removeAllCookie();
1357 // `null` indicates no callback.
1358 cookieManager.removeAllCookies(null);
1366 case R.id.clear_dom_storage:
1367 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_LONG)
1368 .setAction(R.string.undo, new View.OnClickListener() {
1370 public void onClick(View v) {
1371 // Do nothing because everything will be handled by `onDismissed()` below.
1374 .addCallback(new Snackbar.Callback() {
1376 public void onDismissed(Snackbar snackbar, int event) {
1378 // The user pushed the `Undo` button.
1379 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1383 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1385 // Delete the DOM Storage.
1386 WebStorage webStorage = WebStorage.getInstance();
1387 webStorage.deleteAllData();
1394 case R.id.clear_form_data:
1395 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_LONG)
1396 .setAction(R.string.undo, new View.OnClickListener() {
1398 public void onClick(View v) {
1399 // Do nothing because everything will be handled by `onDismissed()` below.
1402 .addCallback(new Snackbar.Callback() {
1404 public void onDismissed(Snackbar snackbar, int event) {
1406 // The user pushed the `Undo` button.
1407 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1411 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1413 // Delete the form data.
1414 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(getApplicationContext());
1415 mainWebViewDatabase.clearFormData();
1422 case R.id.font_size_twenty_five_percent:
1423 mainWebView.getSettings().setTextZoom(25);
1426 case R.id.font_size_fifty_percent:
1427 mainWebView.getSettings().setTextZoom(50);
1430 case R.id.font_size_seventy_five_percent:
1431 mainWebView.getSettings().setTextZoom(75);
1434 case R.id.font_size_one_hundred_percent:
1435 mainWebView.getSettings().setTextZoom(100);
1438 case R.id.font_size_one_hundred_twenty_five_percent:
1439 mainWebView.getSettings().setTextZoom(125);
1442 case R.id.font_size_one_hundred_fifty_percent:
1443 mainWebView.getSettings().setTextZoom(150);
1446 case R.id.font_size_one_hundred_seventy_five_percent:
1447 mainWebView.getSettings().setTextZoom(175);
1450 case R.id.font_size_two_hundred_percent:
1451 mainWebView.getSettings().setTextZoom(200);
1454 case R.id.display_images:
1455 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1456 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1457 mainWebView.reload();
1458 } else { // Images are not currently loaded automatically.
1459 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1462 // Set `onTheFlyDisplayImagesSet`.
1463 onTheFlyDisplayImagesSet = true;
1467 // Setup the share string.
1469 if (webViewTitle != null) {
1470 shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1472 shareString = urlTextBox.getText().toString();
1475 // Create the share intent.
1476 Intent shareIntent = new Intent();
1477 shareIntent.setAction(Intent.ACTION_SEND);
1478 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1479 shareIntent.setType("text/plain");
1482 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1485 case R.id.find_on_page:
1486 // Hide the URL app bar.
1487 supportAppBar.setVisibility(View.GONE);
1489 // Show the Find on Page `RelativeLayout`.
1490 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1492 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1493 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1494 findOnPageEditText.postDelayed(new Runnable()
1499 // Set the focus on `findOnPageEditText`.
1500 findOnPageEditText.requestFocus();
1502 // Display the keyboard.
1503 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1509 // Get a `PrintManager` instance.
1510 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1512 // Convert `mainWebView` to `printDocumentAdapter`.
1513 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1515 // Print the document. The print attributes are `null`.
1516 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1519 case R.id.add_to_homescreen:
1520 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1521 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1522 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1524 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1528 mainWebView.reload();
1532 // Don't consume the event.
1533 return super.onOptionsItemSelected(menuItem);
1537 // removeAllCookies is deprecated, but it is required for API < 21.
1538 @SuppressWarnings("deprecation")
1540 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1541 int menuItemId = menuItem.getItemId();
1543 switch (menuItemId) {
1549 if (mainWebView.canGoBack()) {
1550 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1551 navigatingHistory = true;
1553 // Load the previous website in the history.
1554 mainWebView.goBack();
1559 if (mainWebView.canGoForward()) {
1560 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1561 navigatingHistory = true;
1563 // Load the next website in the history.
1564 mainWebView.goForward();
1569 // Get the `WebBackForwardList`.
1570 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1572 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1573 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1574 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1577 case R.id.bookmarks:
1578 // Launch BookmarksActivity.
1579 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1580 startActivity(bookmarksIntent);
1583 case R.id.downloads:
1584 // Launch the system Download Manager.
1585 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1587 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1588 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1590 startActivity(downloadManagerIntent);
1594 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1595 currentDomainName = "";
1597 // Launch `SettingsActivity`.
1598 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1599 startActivity(settingsIntent);
1603 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1604 currentDomainName = "";
1606 // Launch `DomainsActivity`.
1607 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1608 startActivity(domainsIntent);
1612 // Launch `GuideActivity`.
1613 Intent guideIntent = new Intent(this, GuideActivity.class);
1614 startActivity(guideIntent);
1618 // Launch `AboutActivity`.
1619 Intent aboutIntent = new Intent(this, AboutActivity.class);
1620 startActivity(aboutIntent);
1623 case R.id.clearAndExit:
1624 // Get a handle for `sharedPreferences`. `this` references the current context.
1625 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1627 boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true);
1630 if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) {
1631 // The command to remove cookies changed slightly in API 21.
1632 if (Build.VERSION.SDK_INT >= 21) {
1633 cookieManager.removeAllCookies(null);
1635 cookieManager.removeAllCookie();
1638 // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1640 // We have to use two commands because `Runtime.exec()` does not like `*`.
1641 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies");
1642 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal");
1643 } catch (IOException e) {
1644 // Do nothing if an error is thrown.
1648 // Clear DOM storage.
1649 if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) {
1650 // Ask `WebStorage` to clear the DOM storage.
1651 WebStorage webStorage = WebStorage.getInstance();
1652 webStorage.deleteAllData();
1654 // Manually delete the DOM storage directory, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1656 // We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1657 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
1658 } catch (IOException e) {
1659 // Do nothing if an error is thrown.
1664 if (clearEverything || sharedPreferences.getBoolean("clear_form_data", true)) {
1665 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1666 webViewDatabase.clearFormData();
1668 // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1670 // We have to use a `String[]` because the database contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1671 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"});
1672 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"});
1673 } catch (IOException e) {
1674 // Do nothing if an error is thrown.
1679 if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) {
1680 // `true` includes disk files.
1681 mainWebView.clearCache(true);
1683 // Manually delete the cache directories.
1685 // Delete the main cache directory.
1686 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1688 // Delete the secondary `Service Worker` cache directory. We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1689 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"});
1690 } catch (IOException e) {
1691 // Do nothing if an error is thrown.
1695 // Clear SSL certificate preferences.
1696 mainWebView.clearSslPreferences();
1698 // Clear the back/forward history.
1699 mainWebView.clearHistory();
1701 // Clear `formattedUrlString`.
1702 formattedUrlString = null;
1704 // Clear `customHeaders`.
1705 customHeaders.clear();
1707 // Detach all views from `mainWebViewRelativeLayout`.
1708 mainWebViewRelativeLayout.removeAllViews();
1710 // Destroy the internal state of `mainWebView`.
1711 mainWebView.destroy();
1713 // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache.
1714 // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
1715 if (clearEverything) {
1717 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
1718 } catch (IOException e) {
1719 // Do nothing if an error is thrown.
1723 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1724 if (Build.VERSION.SDK_INT >= 21) {
1725 finishAndRemoveTask();
1730 // Remove the terminated program from RAM. The status code is `0`.
1735 // Close the navigation drawer.
1736 drawerLayout.closeDrawer(GravityCompat.START);
1741 public void onPostCreate(Bundle savedInstanceState) {
1742 super.onPostCreate(savedInstanceState);
1744 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1745 drawerToggle.syncState();
1749 public void onConfigurationChanged(Configuration newConfig) {
1750 super.onConfigurationChanged(newConfig);
1752 // Reload the ad for the free flavor if we are not in full screen mode.
1753 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1755 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1757 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1758 adView = findViewById(R.id.adview);
1761 // `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
1762 // ActivityCompat.invalidateOptionsMenu(this);
1766 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1767 // Store the `HitTestResult`.
1768 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1771 final String imageUrl;
1772 final String linkUrl;
1774 // Get a handle for the `ClipboardManager`.
1775 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1777 switch (hitTestResult.getType()) {
1778 // `SRC_ANCHOR_TYPE` is a link.
1779 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1780 // Get the target URL.
1781 linkUrl = hitTestResult.getExtra();
1783 // Set the target URL as the title of the `ContextMenu`.
1784 menu.setHeaderTitle(linkUrl);
1786 // Add a `Load URL` entry.
1787 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1789 public boolean onMenuItemClick(MenuItem item) {
1795 // Add a `Copy URL` entry.
1796 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1798 public boolean onMenuItemClick(MenuItem item) {
1799 // Save the link URL in a `ClipData`.
1800 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1802 // Set the `ClipData` as the clipboard's primary clip.
1803 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1808 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1809 menu.add(R.string.cancel);
1812 case WebView.HitTestResult.EMAIL_TYPE:
1813 // Get the target URL.
1814 linkUrl = hitTestResult.getExtra();
1816 // Set the target URL as the title of the `ContextMenu`.
1817 menu.setHeaderTitle(linkUrl);
1819 // Add a `Write Email` entry.
1820 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1822 public boolean onMenuItemClick(MenuItem item) {
1823 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1824 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1826 // Parse the url and set it as the data for the `Intent`.
1827 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1829 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1830 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1833 startActivity(emailIntent);
1838 // Add a `Copy Email Address` entry.
1839 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1841 public boolean onMenuItemClick(MenuItem item) {
1842 // Save the email address in a `ClipData`.
1843 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1845 // Set the `ClipData` as the clipboard's primary clip.
1846 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1851 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1852 menu.add(R.string.cancel);
1855 // `IMAGE_TYPE` is an image.
1856 case WebView.HitTestResult.IMAGE_TYPE:
1857 // Get the image URL.
1858 imageUrl = hitTestResult.getExtra();
1860 // Set the image URL as the title of the `ContextMenu`.
1861 menu.setHeaderTitle(imageUrl);
1863 // Add a `View Image` entry.
1864 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1866 public boolean onMenuItemClick(MenuItem item) {
1872 // Add a `Download Image` entry.
1873 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1875 public boolean onMenuItemClick(MenuItem item) {
1876 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1877 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1878 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1883 // Add a `Copy URL` entry.
1884 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1886 public boolean onMenuItemClick(MenuItem item) {
1887 // Save the image URL in a `ClipData`.
1888 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1890 // Set the `ClipData` as the clipboard's primary clip.
1891 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1896 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1897 menu.add(R.string.cancel);
1901 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1902 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1903 // Get the image URL.
1904 imageUrl = hitTestResult.getExtra();
1906 // Set the image URL as the title of the `ContextMenu`.
1907 menu.setHeaderTitle(imageUrl);
1909 // Add a `View Image` entry.
1910 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1912 public boolean onMenuItemClick(MenuItem item) {
1918 // Add a `Download Image` entry.
1919 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1921 public boolean onMenuItemClick(MenuItem item) {
1922 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1923 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1924 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1929 // Add a `Copy URL` entry.
1930 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1932 public boolean onMenuItemClick(MenuItem item) {
1933 // Save the image URL in a `ClipData`.
1934 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1936 // Set the `ClipData` as the clipboard's primary clip.
1937 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1942 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1943 menu.add(R.string.cancel);
1949 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1950 // Get shortcutNameEditText from the alert dialog.
1951 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1953 // Create the bookmark shortcut based on formattedUrlString.
1954 Intent bookmarkShortcut = new Intent();
1955 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1956 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1958 // Place the bookmark shortcut on the home screen.
1959 Intent placeBookmarkShortcut = new Intent();
1960 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1961 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1962 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1963 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1964 sendBroadcast(placeBookmarkShortcut);
1968 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1969 // Download the image if it has an HTTP or HTTPS URI.
1970 if (imageUrl.startsWith("http")) {
1971 // Get a handle for the system `DOWNLOAD_SERVICE`.
1972 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1974 // Parse `imageUrl`.
1975 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1977 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1978 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
1979 if (firstPartyCookiesEnabled) {
1980 // Get the cookies for `imageUrl`.
1981 String cookies = cookieManager.getCookie(imageUrl);
1983 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1984 downloadRequest.addRequestHeader("Cookie", cookies);
1987 // Get the file name from `dialogFragment`.
1988 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1989 String imageName = downloadImageNameEditText.getText().toString();
1991 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1992 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1993 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1994 } else { // Only set the title using `imageName`.
1995 downloadRequest.setTitle(imageName);
1998 // Allow `MediaScanner` to index the download if it is a media file.
1999 downloadRequest.allowScanningByMediaScanner();
2001 // Add the URL as the description for the download.
2002 downloadRequest.setDescription(imageUrl);
2004 // Show the download notification after the download is completed.
2005 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2007 // Initiate the download.
2008 downloadManager.enqueue(downloadRequest);
2009 } else { // The image is not an HTTP or HTTPS URI.
2010 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
2015 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
2016 // Download the file if it has an HTTP or HTTPS URI.
2017 if (downloadUrl.startsWith("http")) {
2019 // Get a handle for the system `DOWNLOAD_SERVICE`.
2020 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
2022 // Parse `downloadUrl`.
2023 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
2025 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
2026 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
2027 if (firstPartyCookiesEnabled) {
2028 // Get the cookies for `downloadUrl`.
2029 String cookies = cookieManager.getCookie(downloadUrl);
2031 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
2032 downloadRequest.addRequestHeader("Cookie", cookies);
2035 // Get the file name from `dialogFragment`.
2036 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
2037 String fileName = downloadFileNameEditText.getText().toString();
2039 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
2040 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
2041 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
2042 } else { // Only set the title using `fileName`.
2043 downloadRequest.setTitle(fileName);
2046 // Allow `MediaScanner` to index the download if it is a media file.
2047 downloadRequest.allowScanningByMediaScanner();
2049 // Add the URL as the description for the download.
2050 downloadRequest.setDescription(downloadUrl);
2052 // Show the download notification after the download is completed.
2053 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2055 // Initiate the download.
2056 downloadManager.enqueue(downloadRequest);
2057 } else { // The download is not an HTTP or HTTPS URI.
2058 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
2062 public void viewSslCertificate(View view) {
2063 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
2064 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
2065 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
2069 public void onSslErrorCancel() {
2070 sslErrorHandler.cancel();
2074 public void onSslErrorProceed() {
2075 sslErrorHandler.proceed();
2079 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
2080 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2081 navigatingHistory = true;
2083 // Load the history entry.
2084 mainWebView.goBackOrForward(moveBackOrForwardSteps);
2088 public void onClearHistory() {
2089 // Clear the history.
2090 mainWebView.clearHistory();
2093 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
2095 public void onBackPressed() {
2096 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
2097 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
2098 drawerLayout.closeDrawer(GravityCompat.START);
2100 // Load the previous URL if available.
2101 if (mainWebView.canGoBack()) {
2102 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2103 navigatingHistory = true;
2106 mainWebView.goBack();
2108 // Pass `onBackPressed()` to the system.
2109 super.onBackPressed();
2114 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
2115 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
2116 String unformattedUrlString = urlTextBox.getText().toString().trim();
2118 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
2119 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
2120 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
2121 if (!unformattedUrlString.startsWith("http")) {
2122 unformattedUrlString = "http://" + unformattedUrlString;
2125 // Initialize `unformattedUrl`.
2126 URL unformattedUrl = null;
2128 // 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.
2130 unformattedUrl = new URL(unformattedUrlString);
2131 } catch (MalformedURLException e) {
2132 e.printStackTrace();
2135 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
2136 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
2137 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
2138 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
2139 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
2140 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
2143 Uri.Builder formattedUri = new Uri.Builder();
2144 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
2146 // Decode `formattedUri` as a `String` in `UTF-8`.
2147 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
2149 // Sanitize the search input and convert it to a search.
2150 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
2152 // Add the base search URL.
2153 formattedUrlString = searchURL + encodedUrlString;
2156 loadUrl(formattedUrlString);
2158 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2159 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2163 private void loadUrl(String url) {
2164 // Apply any custom domain settings.
2165 applyDomainSettings(url);
2168 mainWebView.loadUrl(url, customHeaders);
2171 public void findPreviousOnPage(View view) {
2172 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2173 mainWebView.findNext(false);
2176 public void findNextOnPage(View view) {
2177 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2178 mainWebView.findNext(true);
2181 public void closeFindOnPage(View view) {
2182 // Delete the contents of `find_on_page_edittext`.
2183 findOnPageEditText.setText(null);
2185 // Clear the highlighted phrases.
2186 mainWebView.clearMatches();
2188 // Hide the Find on Page `RelativeLayout`.
2189 findOnPageLinearLayout.setVisibility(View.GONE);
2191 // Show the URL app bar.
2192 supportAppBar.setVisibility(View.VISIBLE);
2194 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2195 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2198 private void applyAppSettings() {
2199 // Get a handle for `sharedPreferences`. `this` references the current context.
2200 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2202 // Store the values from `sharedPreferences` in variables.
2203 String homepageString = sharedPreferences.getString("homepage", "https://start.duckduckgo.com");
2204 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2205 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2206 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2207 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2208 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2209 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2210 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2211 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2212 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2213 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2214 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2215 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2216 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2217 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2219 // Set the homepage, search, and proxy options.
2220 if (proxyThroughOrbot) { // Set the Tor options.
2221 // Set `torHomepageString` as `homepage`.
2222 homepage = torHomepageString;
2224 // If formattedUrlString is null assign the homepage to it.
2225 if (formattedUrlString == null) {
2226 formattedUrlString = homepage;
2229 // Set the search URL.
2230 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2231 searchURL = torSearchCustomURLString;
2232 } else { // Use the string from the pre-built list.
2233 searchURL = torSearchString;
2236 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2237 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2239 // Set the `appBar` background to indicate proxying through Orbot is enabled. `this` refers to the context.
2241 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.dark_blue_30));
2243 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.blue_50));
2246 // Display a message to the user if we are waiting on Orbot.
2247 if (!orbotStatus.equals("ON")) {
2248 // Set `waitingForOrbot`.
2249 waitingForOrbot = true;
2251 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2252 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2254 } else { // Set the non-Tor options.
2255 // Set `homepageString` as `homepage`.
2256 homepage = homepageString;
2258 // If formattedUrlString is null assign the homepage to it.
2259 if (formattedUrlString == null) {
2260 formattedUrlString = homepage;
2263 // Set the search URL.
2264 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2265 searchURL = searchCustomURLString;
2266 } else { // Use the string from the pre-built list.
2267 searchURL = searchString;
2270 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2271 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2273 // Set the default `appBar` background. `this` refers to the context.
2275 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_900));
2277 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_100));
2280 // Reset `waitingForOrbot.
2281 waitingForOrbot = false;
2284 // Set swipe to refresh.
2285 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2287 // Set Do Not Track status.
2288 if (doNotTrackEnabled) {
2289 customHeaders.put("DNT", "1");
2291 customHeaders.remove("DNT");
2294 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2295 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2296 if (hideSystemBarsOnFullscreen) { // Hide everything.
2297 // Remove the translucent navigation setting if it is currently flagged.
2298 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2300 // Remove the translucent status bar overlay.
2301 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2303 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2304 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2306 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2307 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2308 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2310 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2311 } else { // Hide everything except the status and navigation bars.
2312 // Add the translucent status flag if it is unset.
2313 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2315 if (translucentNavigationBarOnFullscreen) {
2316 // Set the navigation bar to be translucent.
2317 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2319 // Set the navigation bar to be black.
2320 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2323 } else { // Switch to normal viewing mode.
2324 // Reset `inFullScreenBrowsingMode` to `false`.
2325 inFullScreenBrowsingMode = false;
2327 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2328 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2332 // Show the `BannerAd` in the free flavor.
2333 if (BuildConfig.FLAVOR.contentEquals("free")) {
2334 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2335 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2337 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2338 adView = findViewById(R.id.adview);
2341 // Remove the translucent navigation bar flag if it is set.
2342 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2344 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2345 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2347 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2348 rootCoordinatorLayout.setSystemUiVisibility(0);
2350 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2351 rootCoordinatorLayout.setFitsSystemWindows(true);
2355 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2356 @SuppressWarnings("deprecation")
2357 private void applyDomainSettings(String url) {
2358 // Reset `navigatingHistory`.
2359 navigatingHistory = false;
2361 // Parse the URL into a URI.
2362 Uri uri = Uri.parse(url);
2364 // Extract the domain from `uri`.
2365 String hostName = uri.getHost();
2367 // Initialize `loadingNewDomainName`.
2368 boolean loadingNewDomainName;
2370 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
2371 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
2372 //noinspection SimplifiableIfStatement
2373 if ((hostName == null) || (currentDomainName == null)) {
2374 loadingNewDomainName = true;
2375 } else { // Determine if `hostName` equals `currentDomainName`.
2376 loadingNewDomainName = !hostName.equals(currentDomainName);
2379 // 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.
2380 if (loadingNewDomainName) {
2381 // Set the new `hostname` as the `currentDomainName`.
2382 currentDomainName = hostName;
2384 // Reset `favoriteIconBitmap` and display it in the `appbar`.
2385 favoriteIconBitmap = favoriteIconDefaultBitmap;
2386 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
2388 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2389 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2390 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2392 // Get a full cursor from `domainsDatabaseHelper`.
2393 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
2395 // Initialize `domainSettingsSet`.
2396 Set<String> domainSettingsSet = new HashSet<>();
2398 // Get the domain name column index.
2399 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
2401 // Populate `domainSettingsSet`.
2402 for (int i = 0; i < domainNameCursor.getCount(); i++) {
2403 // Move `domainsCursor` to the current row.
2404 domainNameCursor.moveToPosition(i);
2406 // Store the domain name in `domainSettingsSet`.
2407 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
2410 // Close `domainNameCursor.
2411 domainNameCursor.close();
2413 // Initialize variables to track if domain settings will be applied and, if so, under which name.
2414 domainSettingsApplied = false;
2415 String domainNameInDatabase = null;
2417 // Check the hostname.
2418 if (domainSettingsSet.contains(hostName)) {
2419 domainSettingsApplied = true;
2420 domainNameInDatabase = hostName;
2423 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
2424 if (hostName != null) {
2425 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
2426 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
2427 domainSettingsApplied = true;
2428 domainNameInDatabase = "*." + hostName;
2431 // Strip out the lowest subdomain of `host`.
2432 hostName = hostName.substring(hostName.indexOf(".") + 1);
2436 // Get a handle for the shared preference. `this` references the current context.
2437 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2439 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
2440 // Get a cursor for the current host and move it to the first position.
2441 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2442 currentHostDomainSettingsCursor.moveToFirst();
2444 // Get the settings from the cursor.
2445 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2446 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2447 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2448 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2449 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2450 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
2451 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
2452 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
2454 // Close `currentHostDomainSettingsCursor`.
2455 currentHostDomainSettingsCursor.close();
2457 // Apply the domain settings.
2458 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2459 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2460 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2461 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2462 mainWebView.getSettings().setTextZoom(fontSize);
2464 // Set third-party cookies status if API >= 21.
2465 if (Build.VERSION.SDK_INT >= 21) {
2466 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2469 // Set the user agent.
2470 if (userAgentString.equals("WebView default user agent")) {
2471 // Set the user agent to `""`, which uses the default value.
2472 mainWebView.getSettings().setUserAgentString("");
2474 // Use the selected user agent.
2475 mainWebView.getSettings().setUserAgentString(userAgentString);
2478 // 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.
2480 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue));
2482 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green));
2484 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2485 // Store the values from `sharedPreferences` in variables.
2486 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2487 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2488 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2489 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2490 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2491 String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2492 String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2493 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2495 // Apply the default settings.
2496 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2497 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2498 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2499 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2500 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2502 // Set third-party cookies status if API >= 21.
2503 if (Build.VERSION.SDK_INT >= 21) {
2504 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2507 // Set the default user agent.
2508 switch (userAgentString) {
2509 case "WebView default user agent":
2510 // Set the user agent to `""`, which uses the default value.
2511 mainWebView.getSettings().setUserAgentString("");
2514 case "Custom user agent":
2515 // Set the custom user agent.
2516 mainWebView.getSettings().setUserAgentString(customUserAgentString);
2520 // Use the selected user agent.
2521 mainWebView.getSettings().setUserAgentString(userAgentString);
2525 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2526 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.color.transparent));
2529 // Close `domainsDatabaseHelper`.
2530 domainsDatabaseHelper.close();
2532 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
2533 onTheFlyDisplayImagesSet = false;
2534 setDisplayWebpageImages();
2536 // Update the privacy icons, but only if `mainMenu` has already been populated.
2537 if (mainMenu != null) {
2538 updatePrivacyIcons(true);
2543 private void setDisplayWebpageImages() {
2544 if (!onTheFlyDisplayImagesSet) {
2545 if (domainSettingsApplied) { // Custom domain settings are applied.
2546 switch (displayWebpageImagesInt) {
2547 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
2548 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2551 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
2552 mainWebView.getSettings().setLoadsImagesAutomatically(true);
2555 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
2556 mainWebView.getSettings().setLoadsImagesAutomatically(false);
2559 } else { // Default settings are applied.
2560 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2565 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2566 // Get handles for the icons.
2567 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
2568 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
2569 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
2570 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
2572 // Update `privacyIcon`.
2573 if (javaScriptEnabled) { // JavaScript is enabled.
2574 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
2575 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2576 privacyIconMenuItem.setIcon(R.drawable.warning);
2577 } else { // All the dangerous features are disabled.
2578 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
2581 // Update `firstPartyCookiesIcon`.
2582 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2583 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
2584 } else { // First-party cookies are disabled.
2586 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_dark);
2588 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_light);
2592 // Update `domStorageIcon`.
2593 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2594 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
2595 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2597 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_dark);
2599 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_light);
2601 } else { // JavaScript is disabled, so DOM storage is ghosted.
2603 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_dark);
2605 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_light);
2609 // Update `formDataIcon`.
2610 if (saveFormDataEnabled) { // Form data is enabled.
2611 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
2612 } else { // Form data is disabled.
2614 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_dark);
2616 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_light);
2620 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2621 if (runInvalidateOptionsMenu) {
2622 ActivityCompat.invalidateOptionsMenu(this);
2626 private void highlightUrlText() {
2627 String urlString = urlTextBox.getText().toString();
2629 if (urlString.startsWith("http://")) { // Highlight connections that are not encrypted.
2630 urlTextBox.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2631 urlTextBox.getText().setSpan(boldStyleSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2632 } else if (urlString.startsWith("https://")) { // Highlight connections that are encrypted.
2633 urlTextBox.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2636 // Get the index of the `/` immediately after the domain name.
2637 int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
2639 // De-emphasize the text after the domain name.
2640 if (endOfDomainName > 0) {
2641 urlTextBox.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);