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`, `DomainsListFragment`, `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;
300 // `urlIsLoading` is used in `onCreate()`, `loadUrl()`, and `applyDomainSettings()`.
301 private boolean urlIsLoading;
304 // 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.
305 @SuppressLint("SetJavaScriptEnabled")
306 // Remove Android Studio's warning about deprecations. We have to use the deprecated `getColor()` until API >= 23.
307 @SuppressWarnings("deprecation")
308 protected void onCreate(Bundle savedInstanceState) {
309 // Get a handle for `sharedPreferences`. `this` references the current context.
310 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
312 // Get the theme preference.
313 darkTheme = sharedPreferences.getBoolean("dark_theme", false);
315 // Set the activity theme.
317 setTheme(R.style.PrivacyBrowserDark);
319 setTheme(R.style.PrivacyBrowserLight);
322 // Run the default commands.
323 super.onCreate(savedInstanceState);
325 // Set the content view.
326 setContentView(R.layout.main_drawerlayout);
328 // Get a handle for `inputMethodManager`.
329 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
331 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
332 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
333 setSupportActionBar(supportAppBar);
334 appBar = getSupportActionBar();
336 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
337 assert appBar != null;
339 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
340 appBar.setCustomView(R.layout.url_app_bar);
341 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
343 // Initialize the `ForegroundColorSpans` and `StyleSpan` for highlighting `urlTextBox`. We have to use the deprecated `getColor()` until API >= 23.
344 redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
345 initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
346 finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
347 boldStyleSpan = new StyleSpan(Typeface.BOLD);
349 // Get a handle for `urlTextBox`.
350 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
352 // Remove the formatting from `urlTextBar` when the user is editing the text.
353 urlTextBox.setOnFocusChangeListener(new View.OnFocusChangeListener() {
355 public void onFocusChange(View v, boolean hasFocus) {
356 if (hasFocus) { // The user is editing `urlTextBox`.
357 // Remove the highlighting.
358 urlTextBox.getText().removeSpan(redColorSpan);
359 urlTextBox.getText().removeSpan(initialGrayColorSpan);
360 urlTextBox.getText().removeSpan(finalGrayColorSpan);
361 urlTextBox.getText().removeSpan(boldStyleSpan);
362 } else { // The user has stopped editing `urlTextBox`.
363 // Reapply the highlighting.
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);
740 // Set `urlIsLoading` to `true`, so that redirects while loading do not trigger changes in the user agent, which forces another reload of the existing page.
745 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
747 public void onPageFinished(WebView view, String url) {
748 // Reset `urlIsLoading`, which is used to prevent reloads on redirect if the user agent changes.
749 urlIsLoading = false;
751 // Clear the cache and history if Incognito Mode is enabled.
752 if (incognitoModeEnabled) {
753 // Clear the cache. `true` includes disk files.
754 mainWebView.clearCache(true);
756 // Clear the back/forward history.
757 mainWebView.clearHistory();
759 // Manually delete cache folders.
761 // Delete the main `cache` folder.
762 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
764 // 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`.
765 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
766 } catch (IOException e) {
767 // Do nothing if an error is thrown.
771 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
772 if (!waitingForOrbot) {
773 // Check to see if `WebView` has set `url` to be `about:blank`.
774 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
775 // Set `formattedUrlString` to `""`.
776 formattedUrlString = "";
778 urlTextBox.setText(formattedUrlString);
780 // Request focus for `urlTextBox`.
781 urlTextBox.requestFocus();
783 // Display the keyboard.
784 inputMethodManager.showSoftInput(urlTextBox, 0);
786 // Apply the domain settings. This clears any settings from the previous domain.
787 applyDomainSettings(formattedUrlString);
788 } else { // `WebView` has loaded a webpage.
789 // Set `formattedUrlString`.
790 formattedUrlString = url;
792 // Only update `urlTextBox` if the user is not typing in it.
793 if (!urlTextBox.hasFocus()) {
794 // Display the formatted URL text.
795 urlTextBox.setText(formattedUrlString);
797 // Apply text highlighting to `urlTextBox`.
802 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
803 sslCertificate = mainWebView.getCertificate();
807 // Handle SSL Certificate errors.
809 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
810 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
811 sslErrorHandler = handler;
813 // Display the SSL error `AlertDialog`.
814 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
815 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
819 // Get a handle for the progress bar.
820 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
822 mainWebView.setWebChromeClient(new WebChromeClient() {
823 // Update the progress bar when a page is loading.
825 public void onProgressChanged(WebView view, int progress) {
826 progressBar.setProgress(progress);
827 if (progress < 100) {
828 progressBar.setVisibility(View.VISIBLE);
830 progressBar.setVisibility(View.GONE);
832 //Stop the `SwipeToRefresh` indicator if it is running
833 swipeRefreshLayout.setRefreshing(false);
837 // Set the favorite icon when it changes.
839 public void onReceivedIcon(WebView view, Bitmap icon) {
840 // Only update the favorite icon if the website has finished loading.
841 if (progressBar.getVisibility() == View.GONE) {
842 // Save a copy of the favorite icon.
843 favoriteIconBitmap = icon;
845 // Place the favorite icon in the appBar.
846 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
850 // Save a copy of the title when it changes.
852 public void onReceivedTitle(WebView view, String title) {
853 // Save a copy of the title.
854 webViewTitle = title;
857 // Enter full screen video
859 public void onShowCustomView(View view, CustomViewCallback callback) {
860 // Pause the ad if this is the free flavor.
861 if (BuildConfig.FLAVOR.contentEquals("free")) {
862 BannerAd.pauseAd(adView);
865 // Remove the translucent overlays.
866 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
868 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
869 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
871 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
872 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
873 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
875 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
877 // Set `rootCoordinatorLayout` to fill the entire screen.
878 rootCoordinatorLayout.setFitsSystemWindows(false);
880 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
881 fullScreenVideoFrameLayout.addView(view);
882 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
885 // Exit full screen video
886 public void onHideCustomView() {
887 // Hide `fullScreenVideoFrameLayout`.
888 fullScreenVideoFrameLayout.removeAllViews();
889 fullScreenVideoFrameLayout.setVisibility(View.GONE);
891 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
892 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
894 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
895 rootCoordinatorLayout.setFitsSystemWindows(true);
897 // Show the ad if this is the free flavor.
898 if (BuildConfig.FLAVOR.contentEquals("free")) {
899 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
900 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
902 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
903 adView = findViewById(R.id.adview);
908 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
909 registerForContextMenu(mainWebView);
911 // Allow the downloading of files.
912 mainWebView.setDownloadListener(new DownloadListener() {
914 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
915 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
916 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
917 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
921 // Allow pinch to zoom.
922 mainWebView.getSettings().setBuiltInZoomControls(true);
924 // Hide zoom controls.
925 mainWebView.getSettings().setDisplayZoomControls(false);
927 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
928 mainWebView.getSettings().setUseWideViewPort(true);
930 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
931 mainWebView.getSettings().setLoadWithOverviewMode(true);
933 // Initialize cookieManager.
934 cookieManager = CookieManager.getInstance();
936 // 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).
937 customHeaders.put("X-Requested-With", "");
939 // 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.
940 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
942 // Get the intent that started the app.
943 final Intent launchingIntent = getIntent();
945 // Extract the launching intent data as `launchingIntentUriData`.
946 final Uri launchingIntentUriData = launchingIntent.getData();
948 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
949 if (launchingIntentUriData != null) {
950 formattedUrlString = launchingIntentUriData.toString();
953 // Get a handle for the `Runtime`.
954 privacyBrowserRuntime = Runtime.getRuntime();
956 // Store the application's private data directory.
957 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`.
959 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
960 inFullScreenBrowsingMode = false;
962 // Initialize AdView for the free flavor.
963 adView = findViewById(R.id.adview);
965 // Initialize the privacy settings variables.
966 javaScriptEnabled = false;
967 firstPartyCookiesEnabled = false;
968 thirdPartyCookiesEnabled = false;
969 domStorageEnabled = false;
970 saveFormDataEnabled = false;
972 // Initialize `webViewTitle`.
973 webViewTitle = getString(R.string.no_title);
975 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
976 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
977 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
978 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
980 // If the favorite icon is null, load the default.
981 if (favoriteIconBitmap == null) {
982 favoriteIconBitmap = favoriteIconDefaultBitmap;
985 // Apply the app settings from the shared preferences.
988 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
989 if (!waitingForOrbot) {
990 loadUrl(formattedUrlString);
995 protected void onNewIntent(Intent intent) {
996 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
999 if (intent.getData() != null) {
1000 // Get the intent data and convert it to a string.
1001 final Uri intentUriData = intent.getData();
1002 formattedUrlString = intentUriData.toString();
1005 // Close the navigation drawer if it is open.
1006 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1007 drawerLayout.closeDrawer(GravityCompat.START);
1010 // Load the website.
1011 loadUrl(formattedUrlString);
1013 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
1014 mainWebView.requestFocus();
1018 public void onRestart() {
1021 // Apply the app settings, which may have been changed in `SettingsActivity`.
1024 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1025 updatePrivacyIcons(true);
1027 // Set the display webpage images mode.
1028 setDisplayWebpageImages();
1030 // Reload the webpage if displaying of images has been disabled in `SettingsFragment`.
1031 if (reloadOnRestartBoolean) {
1032 // Reload `mainWebView`.
1033 mainWebView.reload();
1035 // Reset `reloadOnRestartBoolean`.
1036 reloadOnRestartBoolean = false;
1040 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
1042 public void onResume() {
1045 // Resume JavaScript (if enabled).
1046 mainWebView.resumeTimers();
1048 // Resume `mainWebView`.
1049 mainWebView.onResume();
1051 // Resume the adView for the free flavor.
1052 if (BuildConfig.FLAVOR.contentEquals("free")) {
1053 BannerAd.resumeAd(adView);
1058 public void onPause() {
1059 // Pause `mainWebView`.
1060 mainWebView.onPause();
1062 // Stop all JavaScript.
1063 mainWebView.pauseTimers();
1065 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1066 if (BuildConfig.FLAVOR.contentEquals("free")) {
1067 BannerAd.pauseAd(adView);
1074 public boolean onCreateOptionsMenu(Menu menu) {
1075 // Inflate the menu; this adds items to the action bar if it is present.
1076 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
1078 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
1081 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
1082 updatePrivacyIcons(false);
1084 // Get handles for the menu items.
1085 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1086 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1087 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1088 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1090 // Only display third-party cookies if SDK >= 21
1091 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1093 // Get the shared preference values. `this` references the current context.
1094 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1096 // Set the status of the additional app bar icons. The default is `false`.
1097 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1098 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1099 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1100 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1101 } else { //Do not display the additional icons.
1102 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1103 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1104 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1111 public boolean onPrepareOptionsMenu(Menu menu) {
1112 // Get handles for the menu items.
1113 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1114 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1115 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1116 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1117 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1118 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1119 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1120 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1121 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1123 // Set the status of the menu item checkboxes.
1124 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1125 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1126 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1127 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1128 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1130 // Enable third-party cookies if first-party cookies are enabled.
1131 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1133 // Enable DOM Storage if JavaScript is enabled.
1134 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1136 // Enable Clear Cookies if there are any.
1137 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1139 // Enable Clear Form Data is there is any.
1140 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1141 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1143 // Initialize font size variables.
1144 int fontSize = mainWebView.getSettings().getTextZoom();
1145 String fontSizeTitle;
1146 MenuItem selectedFontSizeMenuItem;
1148 // Prepare the font size title and current size menu item.
1151 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.twenty_five_percent);
1152 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1156 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
1157 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1161 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1162 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1166 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1167 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1171 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1172 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1176 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1177 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1181 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1182 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1186 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1187 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1191 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1192 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1196 // Set the font size title and select the current size menu item.
1197 fontSizeMenuItem.setTitle(fontSizeTitle);
1198 selectedFontSizeMenuItem.setChecked(true);
1200 // Only show `Refresh` if `swipeToRefresh` is disabled.
1201 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1203 // Run all the other default commands.
1204 super.onPrepareOptionsMenu(menu);
1206 // `return true` displays the menu.
1211 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1212 @SuppressLint("SetJavaScriptEnabled")
1213 // removeAllCookies is deprecated, but it is required for API < 21.
1214 @SuppressWarnings("deprecation")
1215 public boolean onOptionsItemSelected(MenuItem menuItem) {
1216 int menuItemId = menuItem.getItemId();
1218 // Set the commands that relate to the menu entries.
1219 switch (menuItemId) {
1220 case R.id.toggle_javascript:
1221 // Switch the status of javaScriptEnabled.
1222 javaScriptEnabled = !javaScriptEnabled;
1224 // Apply the new JavaScript status.
1225 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1227 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1228 updatePrivacyIcons(true);
1230 // Display a `Snackbar`.
1231 if (javaScriptEnabled) { // JavaScrip is enabled.
1232 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1233 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1234 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1235 } else { // Privacy mode.
1236 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1239 // Reload the WebView.
1240 mainWebView.reload();
1243 case R.id.toggle_first_party_cookies:
1244 // Switch the status of firstPartyCookiesEnabled.
1245 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1247 // Update the menu checkbox.
1248 menuItem.setChecked(firstPartyCookiesEnabled);
1250 // Apply the new cookie status.
1251 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1253 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1254 updatePrivacyIcons(true);
1256 // Display a `Snackbar`.
1257 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1258 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1259 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1260 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1261 } else { // Privacy mode.
1262 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1265 // Reload the WebView.
1266 mainWebView.reload();
1269 case R.id.toggle_third_party_cookies:
1270 if (Build.VERSION.SDK_INT >= 21) {
1271 // Switch the status of thirdPartyCookiesEnabled.
1272 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1274 // Update the menu checkbox.
1275 menuItem.setChecked(thirdPartyCookiesEnabled);
1277 // Apply the new cookie status.
1278 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1280 // Display a `Snackbar`.
1281 if (thirdPartyCookiesEnabled) {
1282 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1284 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1287 // Reload the WebView.
1288 mainWebView.reload();
1289 } // Else do nothing because SDK < 21.
1292 case R.id.toggle_dom_storage:
1293 // Switch the status of domStorageEnabled.
1294 domStorageEnabled = !domStorageEnabled;
1296 // Update the menu checkbox.
1297 menuItem.setChecked(domStorageEnabled);
1299 // Apply the new DOM Storage status.
1300 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1302 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1303 updatePrivacyIcons(true);
1305 // Display a `Snackbar`.
1306 if (domStorageEnabled) {
1307 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1309 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1312 // Reload the WebView.
1313 mainWebView.reload();
1316 case R.id.toggle_save_form_data:
1317 // Switch the status of saveFormDataEnabled.
1318 saveFormDataEnabled = !saveFormDataEnabled;
1320 // Update the menu checkbox.
1321 menuItem.setChecked(saveFormDataEnabled);
1323 // Apply the new form data status.
1324 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1326 // Display a `Snackbar`.
1327 if (saveFormDataEnabled) {
1328 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1330 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1333 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1334 updatePrivacyIcons(true);
1336 // Reload the WebView.
1337 mainWebView.reload();
1340 case R.id.clear_cookies:
1341 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_LONG)
1342 .setAction(R.string.undo, new View.OnClickListener() {
1344 public void onClick(View v) {
1345 // Do nothing because everything will be handled by `onDismissed()` below.
1348 .addCallback(new Snackbar.Callback() {
1350 public void onDismissed(Snackbar snackbar, int event) {
1352 // The user pushed the `Undo` button.
1353 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1357 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1359 // `cookieManager.removeAllCookie()` varies by SDK.
1360 if (Build.VERSION.SDK_INT < 21) {
1361 cookieManager.removeAllCookie();
1363 // `null` indicates no callback.
1364 cookieManager.removeAllCookies(null);
1372 case R.id.clear_dom_storage:
1373 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_LONG)
1374 .setAction(R.string.undo, new View.OnClickListener() {
1376 public void onClick(View v) {
1377 // Do nothing because everything will be handled by `onDismissed()` below.
1380 .addCallback(new Snackbar.Callback() {
1382 public void onDismissed(Snackbar snackbar, int event) {
1384 // The user pushed the `Undo` button.
1385 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1389 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1391 // Delete the DOM Storage.
1392 WebStorage webStorage = WebStorage.getInstance();
1393 webStorage.deleteAllData();
1400 case R.id.clear_form_data:
1401 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_LONG)
1402 .setAction(R.string.undo, new View.OnClickListener() {
1404 public void onClick(View v) {
1405 // Do nothing because everything will be handled by `onDismissed()` below.
1408 .addCallback(new Snackbar.Callback() {
1410 public void onDismissed(Snackbar snackbar, int event) {
1412 // The user pushed the `Undo` button.
1413 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1417 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1419 // Delete the form data.
1420 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(getApplicationContext());
1421 mainWebViewDatabase.clearFormData();
1428 case R.id.font_size_twenty_five_percent:
1429 mainWebView.getSettings().setTextZoom(25);
1432 case R.id.font_size_fifty_percent:
1433 mainWebView.getSettings().setTextZoom(50);
1436 case R.id.font_size_seventy_five_percent:
1437 mainWebView.getSettings().setTextZoom(75);
1440 case R.id.font_size_one_hundred_percent:
1441 mainWebView.getSettings().setTextZoom(100);
1444 case R.id.font_size_one_hundred_twenty_five_percent:
1445 mainWebView.getSettings().setTextZoom(125);
1448 case R.id.font_size_one_hundred_fifty_percent:
1449 mainWebView.getSettings().setTextZoom(150);
1452 case R.id.font_size_one_hundred_seventy_five_percent:
1453 mainWebView.getSettings().setTextZoom(175);
1456 case R.id.font_size_two_hundred_percent:
1457 mainWebView.getSettings().setTextZoom(200);
1460 case R.id.display_images:
1461 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1462 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1463 mainWebView.reload();
1464 } else { // Images are not currently loaded automatically.
1465 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1468 // Set `onTheFlyDisplayImagesSet`.
1469 onTheFlyDisplayImagesSet = true;
1473 // Setup the share string.
1475 if (webViewTitle != null) {
1476 shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1478 shareString = urlTextBox.getText().toString();
1481 // Create the share intent.
1482 Intent shareIntent = new Intent();
1483 shareIntent.setAction(Intent.ACTION_SEND);
1484 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1485 shareIntent.setType("text/plain");
1488 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1491 case R.id.find_on_page:
1492 // Hide the URL app bar.
1493 supportAppBar.setVisibility(View.GONE);
1495 // Show the Find on Page `RelativeLayout`.
1496 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1498 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1499 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1500 findOnPageEditText.postDelayed(new Runnable()
1505 // Set the focus on `findOnPageEditText`.
1506 findOnPageEditText.requestFocus();
1508 // Display the keyboard.
1509 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1515 // Get a `PrintManager` instance.
1516 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1518 // Convert `mainWebView` to `printDocumentAdapter`.
1519 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1521 // Print the document. The print attributes are `null`.
1522 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1525 case R.id.add_to_homescreen:
1526 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1527 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1528 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1530 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1534 mainWebView.reload();
1538 // Don't consume the event.
1539 return super.onOptionsItemSelected(menuItem);
1543 // removeAllCookies is deprecated, but it is required for API < 21.
1544 @SuppressWarnings("deprecation")
1546 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1547 int menuItemId = menuItem.getItemId();
1549 switch (menuItemId) {
1555 if (mainWebView.canGoBack()) {
1556 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1557 navigatingHistory = true;
1559 // Load the previous website in the history.
1560 mainWebView.goBack();
1565 if (mainWebView.canGoForward()) {
1566 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1567 navigatingHistory = true;
1569 // Load the next website in the history.
1570 mainWebView.goForward();
1575 // Get the `WebBackForwardList`.
1576 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1578 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1579 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1580 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1583 case R.id.bookmarks:
1584 // Launch BookmarksActivity.
1585 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1586 startActivity(bookmarksIntent);
1589 case R.id.downloads:
1590 // Launch the system Download Manager.
1591 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1593 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1594 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1596 startActivity(downloadManagerIntent);
1600 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1601 currentDomainName = "";
1603 // Launch `SettingsActivity`.
1604 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1605 startActivity(settingsIntent);
1609 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1610 currentDomainName = "";
1612 // Launch `DomainsActivity`.
1613 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1614 startActivity(domainsIntent);
1618 // Launch `GuideActivity`.
1619 Intent guideIntent = new Intent(this, GuideActivity.class);
1620 startActivity(guideIntent);
1624 // Launch `AboutActivity`.
1625 Intent aboutIntent = new Intent(this, AboutActivity.class);
1626 startActivity(aboutIntent);
1629 case R.id.clearAndExit:
1630 // Get a handle for `sharedPreferences`. `this` references the current context.
1631 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1633 boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true);
1636 if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) {
1637 // The command to remove cookies changed slightly in API 21.
1638 if (Build.VERSION.SDK_INT >= 21) {
1639 cookieManager.removeAllCookies(null);
1641 cookieManager.removeAllCookie();
1644 // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1646 // We have to use two commands because `Runtime.exec()` does not like `*`.
1647 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies");
1648 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal");
1649 } catch (IOException e) {
1650 // Do nothing if an error is thrown.
1654 // Clear DOM storage.
1655 if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) {
1656 // Ask `WebStorage` to clear the DOM storage.
1657 WebStorage webStorage = WebStorage.getInstance();
1658 webStorage.deleteAllData();
1660 // Manually delete the DOM storage directory, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1662 // We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1663 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
1664 } catch (IOException e) {
1665 // Do nothing if an error is thrown.
1670 if (clearEverything || sharedPreferences.getBoolean("clear_form_data", true)) {
1671 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1672 webViewDatabase.clearFormData();
1674 // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1676 // We have to use a `String[]` because the database contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1677 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"});
1678 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"});
1679 } catch (IOException e) {
1680 // Do nothing if an error is thrown.
1685 if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) {
1686 // `true` includes disk files.
1687 mainWebView.clearCache(true);
1689 // Manually delete the cache directories.
1691 // Delete the main cache directory.
1692 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1694 // 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.
1695 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"});
1696 } catch (IOException e) {
1697 // Do nothing if an error is thrown.
1701 // Clear SSL certificate preferences.
1702 mainWebView.clearSslPreferences();
1704 // Clear the back/forward history.
1705 mainWebView.clearHistory();
1707 // Clear `formattedUrlString`.
1708 formattedUrlString = null;
1710 // Clear `customHeaders`.
1711 customHeaders.clear();
1713 // Detach all views from `mainWebViewRelativeLayout`.
1714 mainWebViewRelativeLayout.removeAllViews();
1716 // Destroy the internal state of `mainWebView`.
1717 mainWebView.destroy();
1719 // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache.
1720 // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
1721 if (clearEverything) {
1723 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
1724 } catch (IOException e) {
1725 // Do nothing if an error is thrown.
1729 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1730 if (Build.VERSION.SDK_INT >= 21) {
1731 finishAndRemoveTask();
1736 // Remove the terminated program from RAM. The status code is `0`.
1741 // Close the navigation drawer.
1742 drawerLayout.closeDrawer(GravityCompat.START);
1747 public void onPostCreate(Bundle savedInstanceState) {
1748 super.onPostCreate(savedInstanceState);
1750 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1751 drawerToggle.syncState();
1755 public void onConfigurationChanged(Configuration newConfig) {
1756 super.onConfigurationChanged(newConfig);
1758 // Reload the ad for the free flavor if we are not in full screen mode.
1759 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1761 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1763 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1764 adView = findViewById(R.id.adview);
1767 // `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
1768 // ActivityCompat.invalidateOptionsMenu(this);
1772 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1773 // Store the `HitTestResult`.
1774 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1777 final String imageUrl;
1778 final String linkUrl;
1780 // Get a handle for the `ClipboardManager`.
1781 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1783 switch (hitTestResult.getType()) {
1784 // `SRC_ANCHOR_TYPE` is a link.
1785 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1786 // Get the target URL.
1787 linkUrl = hitTestResult.getExtra();
1789 // Set the target URL as the title of the `ContextMenu`.
1790 menu.setHeaderTitle(linkUrl);
1792 // Add a `Load URL` entry.
1793 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1795 public boolean onMenuItemClick(MenuItem item) {
1801 // Add a `Copy URL` entry.
1802 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1804 public boolean onMenuItemClick(MenuItem item) {
1805 // Save the link URL in a `ClipData`.
1806 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1808 // Set the `ClipData` as the clipboard's primary clip.
1809 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1814 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1815 menu.add(R.string.cancel);
1818 case WebView.HitTestResult.EMAIL_TYPE:
1819 // Get the target URL.
1820 linkUrl = hitTestResult.getExtra();
1822 // Set the target URL as the title of the `ContextMenu`.
1823 menu.setHeaderTitle(linkUrl);
1825 // Add a `Write Email` entry.
1826 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1828 public boolean onMenuItemClick(MenuItem item) {
1829 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1830 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1832 // Parse the url and set it as the data for the `Intent`.
1833 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1835 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1836 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1839 startActivity(emailIntent);
1844 // Add a `Copy Email Address` entry.
1845 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1847 public boolean onMenuItemClick(MenuItem item) {
1848 // Save the email address in a `ClipData`.
1849 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1851 // Set the `ClipData` as the clipboard's primary clip.
1852 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1857 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1858 menu.add(R.string.cancel);
1861 // `IMAGE_TYPE` is an image.
1862 case WebView.HitTestResult.IMAGE_TYPE:
1863 // Get the image URL.
1864 imageUrl = hitTestResult.getExtra();
1866 // Set the image URL as the title of the `ContextMenu`.
1867 menu.setHeaderTitle(imageUrl);
1869 // Add a `View Image` entry.
1870 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1872 public boolean onMenuItemClick(MenuItem item) {
1878 // Add a `Download Image` entry.
1879 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1881 public boolean onMenuItemClick(MenuItem item) {
1882 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1883 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1884 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1889 // Add a `Copy URL` entry.
1890 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1892 public boolean onMenuItemClick(MenuItem item) {
1893 // Save the image URL in a `ClipData`.
1894 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1896 // Set the `ClipData` as the clipboard's primary clip.
1897 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1902 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1903 menu.add(R.string.cancel);
1907 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1908 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1909 // Get the image URL.
1910 imageUrl = hitTestResult.getExtra();
1912 // Set the image URL as the title of the `ContextMenu`.
1913 menu.setHeaderTitle(imageUrl);
1915 // Add a `View Image` entry.
1916 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1918 public boolean onMenuItemClick(MenuItem item) {
1924 // Add a `Download Image` entry.
1925 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1927 public boolean onMenuItemClick(MenuItem item) {
1928 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1929 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1930 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1935 // Add a `Copy URL` entry.
1936 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1938 public boolean onMenuItemClick(MenuItem item) {
1939 // Save the image URL in a `ClipData`.
1940 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1942 // Set the `ClipData` as the clipboard's primary clip.
1943 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1948 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1949 menu.add(R.string.cancel);
1955 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1956 // Get shortcutNameEditText from the alert dialog.
1957 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1959 // Create the bookmark shortcut based on formattedUrlString.
1960 Intent bookmarkShortcut = new Intent();
1961 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1962 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1964 // Place the bookmark shortcut on the home screen.
1965 Intent placeBookmarkShortcut = new Intent();
1966 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1967 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1968 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1969 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1970 sendBroadcast(placeBookmarkShortcut);
1974 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1975 // Download the image if it has an HTTP or HTTPS URI.
1976 if (imageUrl.startsWith("http")) {
1977 // Get a handle for the system `DOWNLOAD_SERVICE`.
1978 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1980 // Parse `imageUrl`.
1981 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1983 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1984 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
1985 if (firstPartyCookiesEnabled) {
1986 // Get the cookies for `imageUrl`.
1987 String cookies = cookieManager.getCookie(imageUrl);
1989 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1990 downloadRequest.addRequestHeader("Cookie", cookies);
1993 // Get the file name from `dialogFragment`.
1994 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1995 String imageName = downloadImageNameEditText.getText().toString();
1997 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1998 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1999 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
2000 } else { // Only set the title using `imageName`.
2001 downloadRequest.setTitle(imageName);
2004 // Allow `MediaScanner` to index the download if it is a media file.
2005 downloadRequest.allowScanningByMediaScanner();
2007 // Add the URL as the description for the download.
2008 downloadRequest.setDescription(imageUrl);
2010 // Show the download notification after the download is completed.
2011 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2013 // Initiate the download.
2014 downloadManager.enqueue(downloadRequest);
2015 } else { // The image is not an HTTP or HTTPS URI.
2016 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
2021 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
2022 // Download the file if it has an HTTP or HTTPS URI.
2023 if (downloadUrl.startsWith("http")) {
2025 // Get a handle for the system `DOWNLOAD_SERVICE`.
2026 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
2028 // Parse `downloadUrl`.
2029 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
2031 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
2032 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
2033 if (firstPartyCookiesEnabled) {
2034 // Get the cookies for `downloadUrl`.
2035 String cookies = cookieManager.getCookie(downloadUrl);
2037 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
2038 downloadRequest.addRequestHeader("Cookie", cookies);
2041 // Get the file name from `dialogFragment`.
2042 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
2043 String fileName = downloadFileNameEditText.getText().toString();
2045 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
2046 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
2047 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
2048 } else { // Only set the title using `fileName`.
2049 downloadRequest.setTitle(fileName);
2052 // Allow `MediaScanner` to index the download if it is a media file.
2053 downloadRequest.allowScanningByMediaScanner();
2055 // Add the URL as the description for the download.
2056 downloadRequest.setDescription(downloadUrl);
2058 // Show the download notification after the download is completed.
2059 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2061 // Initiate the download.
2062 downloadManager.enqueue(downloadRequest);
2063 } else { // The download is not an HTTP or HTTPS URI.
2064 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
2068 public void viewSslCertificate(View view) {
2069 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
2070 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
2071 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
2075 public void onSslErrorCancel() {
2076 sslErrorHandler.cancel();
2080 public void onSslErrorProceed() {
2081 sslErrorHandler.proceed();
2085 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
2086 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2087 navigatingHistory = true;
2089 // Load the history entry.
2090 mainWebView.goBackOrForward(moveBackOrForwardSteps);
2094 public void onClearHistory() {
2095 // Clear the history.
2096 mainWebView.clearHistory();
2099 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
2101 public void onBackPressed() {
2102 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
2103 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
2104 drawerLayout.closeDrawer(GravityCompat.START);
2106 // Load the previous URL if available.
2107 if (mainWebView.canGoBack()) {
2108 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2109 navigatingHistory = true;
2112 mainWebView.goBack();
2114 // Pass `onBackPressed()` to the system.
2115 super.onBackPressed();
2120 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
2121 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
2122 String unformattedUrlString = urlTextBox.getText().toString().trim();
2124 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
2125 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
2126 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
2127 if (!unformattedUrlString.startsWith("http")) {
2128 unformattedUrlString = "http://" + unformattedUrlString;
2131 // Initialize `unformattedUrl`.
2132 URL unformattedUrl = null;
2134 // 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.
2136 unformattedUrl = new URL(unformattedUrlString);
2137 } catch (MalformedURLException e) {
2138 e.printStackTrace();
2141 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
2142 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
2143 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
2144 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
2145 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
2146 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
2149 Uri.Builder formattedUri = new Uri.Builder();
2150 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
2152 // Decode `formattedUri` as a `String` in `UTF-8`.
2153 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
2155 // Sanitize the search input and convert it to a search.
2156 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
2158 // Add the base search URL.
2159 formattedUrlString = searchURL + encodedUrlString;
2162 loadUrl(formattedUrlString);
2164 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2165 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2169 private void loadUrl(String url) {
2170 // Apply any custom domain settings.
2171 applyDomainSettings(url);
2174 mainWebView.loadUrl(url, customHeaders);
2176 // Set `urlIsLoading` to prevent changes in the user agent on websites with redirects from reloading the current website.
2177 urlIsLoading = true;
2180 public void findPreviousOnPage(View view) {
2181 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2182 mainWebView.findNext(false);
2185 public void findNextOnPage(View view) {
2186 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2187 mainWebView.findNext(true);
2190 public void closeFindOnPage(View view) {
2191 // Delete the contents of `find_on_page_edittext`.
2192 findOnPageEditText.setText(null);
2194 // Clear the highlighted phrases.
2195 mainWebView.clearMatches();
2197 // Hide the Find on Page `RelativeLayout`.
2198 findOnPageLinearLayout.setVisibility(View.GONE);
2200 // Show the URL app bar.
2201 supportAppBar.setVisibility(View.VISIBLE);
2203 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2204 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2207 private void applyAppSettings() {
2208 // Get a handle for `sharedPreferences`. `this` references the current context.
2209 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2211 // Store the values from `sharedPreferences` in variables.
2212 String homepageString = sharedPreferences.getString("homepage", "https://start.duckduckgo.com");
2213 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2214 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2215 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2216 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2217 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2218 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2219 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2220 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2221 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2222 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2223 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2224 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2225 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2226 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2228 // Set the homepage, search, and proxy options.
2229 if (proxyThroughOrbot) { // Set the Tor options.
2230 // Set `torHomepageString` as `homepage`.
2231 homepage = torHomepageString;
2233 // If formattedUrlString is null assign the homepage to it.
2234 if (formattedUrlString == null) {
2235 formattedUrlString = homepage;
2238 // Set the search URL.
2239 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2240 searchURL = torSearchCustomURLString;
2241 } else { // Use the string from the pre-built list.
2242 searchURL = torSearchString;
2245 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2246 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2248 // Set the `appBar` background to indicate proxying through Orbot is enabled. `this` refers to the context.
2250 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.dark_blue_30));
2252 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.blue_50));
2255 // Display a message to the user if we are waiting on Orbot.
2256 if (!orbotStatus.equals("ON")) {
2257 // Set `waitingForOrbot`.
2258 waitingForOrbot = true;
2260 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2261 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2263 } else { // Set the non-Tor options.
2264 // Set `homepageString` as `homepage`.
2265 homepage = homepageString;
2267 // If formattedUrlString is null assign the homepage to it.
2268 if (formattedUrlString == null) {
2269 formattedUrlString = homepage;
2272 // Set the search URL.
2273 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2274 searchURL = searchCustomURLString;
2275 } else { // Use the string from the pre-built list.
2276 searchURL = searchString;
2279 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2280 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2282 // Set the default `appBar` background. `this` refers to the context.
2284 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_900));
2286 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_100));
2289 // Reset `waitingForOrbot.
2290 waitingForOrbot = false;
2293 // Set swipe to refresh.
2294 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2296 // Set Do Not Track status.
2297 if (doNotTrackEnabled) {
2298 customHeaders.put("DNT", "1");
2300 customHeaders.remove("DNT");
2303 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2304 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2305 if (hideSystemBarsOnFullscreen) { // Hide everything.
2306 // Remove the translucent navigation setting if it is currently flagged.
2307 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2309 // Remove the translucent status bar overlay.
2310 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2312 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2313 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2315 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2316 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2317 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2319 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2320 } else { // Hide everything except the status and navigation bars.
2321 // Add the translucent status flag if it is unset.
2322 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2324 if (translucentNavigationBarOnFullscreen) {
2325 // Set the navigation bar to be translucent.
2326 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2328 // Set the navigation bar to be black.
2329 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2332 } else { // Switch to normal viewing mode.
2333 // Reset `inFullScreenBrowsingMode` to `false`.
2334 inFullScreenBrowsingMode = false;
2336 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2337 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2341 // Show the `BannerAd` in the free flavor.
2342 if (BuildConfig.FLAVOR.contentEquals("free")) {
2343 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2344 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2346 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2347 adView = findViewById(R.id.adview);
2350 // Remove the translucent navigation bar flag if it is set.
2351 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2353 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2354 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2356 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2357 rootCoordinatorLayout.setSystemUiVisibility(0);
2359 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2360 rootCoordinatorLayout.setFitsSystemWindows(true);
2364 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2365 @SuppressWarnings("deprecation")
2366 private void applyDomainSettings(String url) {
2367 // Reset `navigatingHistory`.
2368 navigatingHistory = false;
2370 // Parse the URL into a URI.
2371 Uri uri = Uri.parse(url);
2373 // Extract the domain from `uri`.
2374 String hostName = uri.getHost();
2376 // Initialize `loadingNewDomainName`.
2377 boolean loadingNewDomainName;
2379 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
2380 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
2381 //noinspection SimplifiableIfStatement
2382 if ((hostName == null) || (currentDomainName == null)) {
2383 loadingNewDomainName = true;
2384 } else { // Determine if `hostName` equals `currentDomainName`.
2385 loadingNewDomainName = !hostName.equals(currentDomainName);
2388 // 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.
2389 if (loadingNewDomainName) {
2390 // Set the new `hostname` as the `currentDomainName`.
2391 currentDomainName = hostName;
2393 // Reset `favoriteIconBitmap` and display it in the `appbar`.
2394 favoriteIconBitmap = favoriteIconDefaultBitmap;
2395 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
2397 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2398 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2399 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2401 // Get a full cursor from `domainsDatabaseHelper`.
2402 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
2404 // Initialize `domainSettingsSet`.
2405 Set<String> domainSettingsSet = new HashSet<>();
2407 // Get the domain name column index.
2408 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
2410 // Populate `domainSettingsSet`.
2411 for (int i = 0; i < domainNameCursor.getCount(); i++) {
2412 // Move `domainsCursor` to the current row.
2413 domainNameCursor.moveToPosition(i);
2415 // Store the domain name in `domainSettingsSet`.
2416 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
2419 // Close `domainNameCursor.
2420 domainNameCursor.close();
2422 // Initialize variables to track if domain settings will be applied and, if so, under which name.
2423 domainSettingsApplied = false;
2424 String domainNameInDatabase = null;
2426 // Check the hostname.
2427 if (domainSettingsSet.contains(hostName)) {
2428 domainSettingsApplied = true;
2429 domainNameInDatabase = hostName;
2432 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
2433 if (hostName != null) {
2434 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
2435 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
2436 domainSettingsApplied = true;
2437 domainNameInDatabase = "*." + hostName;
2440 // Strip out the lowest subdomain of `host`.
2441 hostName = hostName.substring(hostName.indexOf(".") + 1);
2445 // Get a handle for the shared preference. `this` references the current context.
2446 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2448 // Store the default font size and user agent information.
2449 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2450 String defaultUserAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2451 String defaultCustomUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2453 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
2454 // Get a cursor for the current host and move it to the first position.
2455 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2456 currentHostDomainSettingsCursor.moveToFirst();
2458 // Get the settings from the cursor.
2459 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2460 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2461 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2462 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2463 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2464 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
2465 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
2466 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
2468 // Close `currentHostDomainSettingsCursor`.
2469 currentHostDomainSettingsCursor.close();
2471 // Apply the domain settings.
2472 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2473 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2474 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2475 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2477 // Apply the font size.
2478 if (fontSize == 0) { // Apply the default font size.
2479 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2480 } else { // Apply the specified font size.
2481 mainWebView.getSettings().setTextZoom(fontSize);
2484 // Set third-party cookies status if API >= 21.
2485 if (Build.VERSION.SDK_INT >= 21) {
2486 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2489 // Only set the user agent if the webpage is not currently loading. Otherwise, changing the user agent on redirects can cause the original website to reload. <https://redmine.stoutner.com/issues/160>
2490 if (!urlIsLoading) {
2491 switch (userAgentString) {
2492 case "System default user agent":
2493 // Set the user agent according to the system default.
2494 switch (defaultUserAgentString) {
2495 case "WebView default user agent":
2496 // Set the user agent to `""`, which uses the default value.
2497 mainWebView.getSettings().setUserAgentString("");
2500 case "Custom user agent":
2501 // Set the custom user agent.
2502 mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
2506 // Use the selected user agent.
2507 mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
2511 case "WebView default user agent":
2512 // Set the user agent to `""`, which uses the default value.
2513 mainWebView.getSettings().setUserAgentString("");
2517 // Use the selected user agent.
2518 mainWebView.getSettings().setUserAgentString(userAgentString);
2522 // 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.
2524 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue));
2526 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green));
2528 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2529 // Store the values from `sharedPreferences` in variables.
2530 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2531 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2532 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2533 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2534 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2536 // Apply the default settings.
2537 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2538 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2539 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2540 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2541 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2543 // Set third-party cookies status if API >= 21.
2544 if (Build.VERSION.SDK_INT >= 21) {
2545 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2548 // Only set the user agent if the webpage is not currently loading. Otherwise, changing the user agent on redirects can cause the original website to reload. <https://redmine.stoutner.com/issues/160>
2549 if (!urlIsLoading) {
2550 switch (defaultUserAgentString) {
2551 case "WebView default user agent":
2552 // Set the user agent to `""`, which uses the default value.
2553 mainWebView.getSettings().setUserAgentString("");
2556 case "Custom user agent":
2557 // Set the custom user agent.
2558 mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
2562 // Use the selected user agent.
2563 mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
2567 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2568 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.color.transparent));
2571 // Close `domainsDatabaseHelper`.
2572 domainsDatabaseHelper.close();
2574 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
2575 onTheFlyDisplayImagesSet = false;
2576 setDisplayWebpageImages();
2578 // Update the privacy icons, but only if `mainMenu` has already been populated.
2579 if (mainMenu != null) {
2580 updatePrivacyIcons(true);
2585 private void setDisplayWebpageImages() {
2586 if (!onTheFlyDisplayImagesSet) {
2587 if (domainSettingsApplied) { // Custom domain settings are applied.
2588 switch (displayWebpageImagesInt) {
2589 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
2590 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2593 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
2594 mainWebView.getSettings().setLoadsImagesAutomatically(true);
2597 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
2598 mainWebView.getSettings().setLoadsImagesAutomatically(false);
2601 } else { // Default settings are applied.
2602 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2607 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2608 // Get handles for the icons.
2609 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
2610 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
2611 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
2612 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
2614 // Update `privacyIcon`.
2615 if (javaScriptEnabled) { // JavaScript is enabled.
2616 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
2617 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2618 privacyIconMenuItem.setIcon(R.drawable.warning);
2619 } else { // All the dangerous features are disabled.
2620 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
2623 // Update `firstPartyCookiesIcon`.
2624 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2625 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
2626 } else { // First-party cookies are disabled.
2628 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_dark);
2630 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_light);
2634 // Update `domStorageIcon`.
2635 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2636 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
2637 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2639 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_dark);
2641 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_light);
2643 } else { // JavaScript is disabled, so DOM storage is ghosted.
2645 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_dark);
2647 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_light);
2651 // Update `formDataIcon`.
2652 if (saveFormDataEnabled) { // Form data is enabled.
2653 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
2654 } else { // Form data is disabled.
2656 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_dark);
2658 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_light);
2662 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2663 if (runInvalidateOptionsMenu) {
2664 ActivityCompat.invalidateOptionsMenu(this);
2668 private void highlightUrlText() {
2669 String urlString = urlTextBox.getText().toString();
2671 if (urlString.startsWith("http://")) { // Highlight connections that are not encrypted.
2672 urlTextBox.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2673 // urlTextBox.getText().setSpan(boldStyleSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2674 } else if (urlString.startsWith("https://")) { // Highlight connections that are encrypted.
2675 urlTextBox.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2678 // Get the index of the `/` immediately after the domain name.
2679 int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
2681 // De-emphasize the text after the domain name.
2682 if (endOfDomainName > 0) {
2683 urlTextBox.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);