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.util.Patterns;
67 import android.view.ContextMenu;
68 import android.view.GestureDetector;
69 import android.view.KeyEvent;
70 import android.view.Menu;
71 import android.view.MenuItem;
72 import android.view.MotionEvent;
73 import android.view.View;
74 import android.view.WindowManager;
75 import android.view.inputmethod.InputMethodManager;
76 import android.webkit.CookieManager;
77 import android.webkit.DownloadListener;
78 import android.webkit.SslErrorHandler;
79 import android.webkit.WebBackForwardList;
80 import android.webkit.WebChromeClient;
81 import android.webkit.WebResourceResponse;
82 import android.webkit.WebStorage;
83 import android.webkit.WebView;
84 import android.webkit.WebViewClient;
85 import android.webkit.WebViewDatabase;
86 import android.widget.EditText;
87 import android.widget.FrameLayout;
88 import android.widget.ImageView;
89 import android.widget.LinearLayout;
90 import android.widget.ProgressBar;
91 import android.widget.RelativeLayout;
92 import android.widget.TextView;
94 import com.stoutner.privacybrowser.BannerAd;
95 import com.stoutner.privacybrowser.BuildConfig;
96 import com.stoutner.privacybrowser.R;
97 import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcutDialog;
98 import com.stoutner.privacybrowser.dialogs.DownloadImageDialog;
99 import com.stoutner.privacybrowser.dialogs.UrlHistoryDialog;
100 import com.stoutner.privacybrowser.dialogs.ViewSslCertificateDialog;
101 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
102 import com.stoutner.privacybrowser.helpers.OrbotProxyHelper;
103 import com.stoutner.privacybrowser.dialogs.DownloadFileDialog;
104 import com.stoutner.privacybrowser.dialogs.SslCertificateErrorDialog;
106 import java.io.BufferedReader;
107 import java.io.ByteArrayInputStream;
108 import java.io.IOException;
109 import java.io.InputStreamReader;
110 import java.io.UnsupportedEncodingException;
111 import java.net.MalformedURLException;
113 import java.net.URLDecoder;
114 import java.net.URLEncoder;
115 import java.util.HashMap;
116 import java.util.HashSet;
117 import java.util.Map;
118 import java.util.Set;
120 // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21.
121 public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
122 SslCertificateErrorDialog.SslCertificateErrorListener, DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, UrlHistoryDialog.UrlHistoryListener {
124 // `darkTheme` is public static so it can be accessed from `AboutActivity`, `GuideActivity`, `AddDomainDialog`, `SettingsActivity`, `DomainsActivity`, `DomainsListFragment`, `BookmarksActivity`, `BookmarksDatabaseViewActivity`,
125 // `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `DownloadFileDialog`, `DownloadImageDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `MoveToFolderDialog`, `SslCertificateErrorDialog`, `UrlHistoryDialog`, `ViewSslCertificateDialog`,
126 // `CreateHomeScreenShortcutDialog`, and `OrbotProxyHelper`. It is also used in `onCreate()`, `applyAppSettings()`, `applyDomainSettings()`, and `updatePrivacyIcons()`.
127 public static boolean darkTheme;
129 // `favoriteIconBitmap` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `ViewSslCertificateDialog`.
130 // It is also used in `onCreate()`, `onCreateHomeScreenShortcutCreate()`, and `applyDomainSettings`.
131 public static Bitmap favoriteIconBitmap;
133 // `formattedUrlString` is public static so it can be accessed from `BookmarksActivity`, `CreateBookmarkDialog`, and `AddDomainDialog`.
134 // It is also used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onCreateHomeScreenShortcutCreate()`, and `loadUrlFromTextBox()`.
135 public static String formattedUrlString;
137 // `sslCertificate` is public static so it can be accessed from `ViewSslCertificateDialog`. It is also used in `onCreate()`.
138 public static SslCertificate sslCertificate;
140 // `orbotStatus` is public static so it can be accessed from `OrbotProxyHelper`. It is also used in `onCreate()`.
141 public static String orbotStatus;
143 // `webViewTitle` is public static so it can be accessed from `CreateBookmarkDialog` and `CreateHomeScreenShortcutDialog`. It is also used in `onCreate()`.
144 public static String webViewTitle;
146 // `displayWebpageImagesBoolean` is public static so it can be accessed from `DomainSettingsFragment`. It is also used in `applyAppSettings()` and `applyDomainSettings()`.
147 public static boolean displayWebpageImagesBoolean;
149 // `reloadOnRestartBoolean` is public static so it can be accessed from `SettingsFragment`. It is also used in `onRestart()`
150 public static boolean reloadOnRestartBoolean;
153 // `appBar` is used in `onCreate()`, `onOptionsItemSelected()`, `closeFindOnPage()`, and `applyAppSettings()`.
154 private ActionBar appBar;
156 // `navigatingHistory` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
157 private boolean navigatingHistory;
159 // `favoriteIconDefaultBitmap` is used in `onCreate()` and `applyDomainSettings`.
160 private Bitmap favoriteIconDefaultBitmap;
162 // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`.
163 private DrawerLayout drawerLayout;
165 // `rootCoordinatorLayout` is used in `onCreate()` and `applyAppSettings()`.
166 private CoordinatorLayout rootCoordinatorLayout;
168 // `mainWebView` is used in `onCreate()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, `loadUrlFromTextBox()`
169 // and `setDisplayWebpageImages()`.
170 private WebView mainWebView;
172 // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`.
173 private FrameLayout fullScreenVideoFrameLayout;
175 // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`.
176 private SwipeRefreshLayout swipeRefreshLayout;
178 // `urlAppBarRelativeLayout` is used in `onCreate()` and `applyDomainSettings()`.
179 private RelativeLayout urlAppBarRelativeLayout;
181 // `favoriteIconImageView` is used in `onCreate()` and `applyDomainSettings()`
182 private ImageView favoriteIconImageView;
184 // `cookieManager` is used in `onCreate()`, `onOptionsItemSelected()`, and `onNavigationItemSelected()`, `loadUrlFromTextBox()`, `onDownloadImage()`, `onDownloadFile()`, and `onRestart()`.
185 private CookieManager cookieManager;
187 // `customHeader` is used in `onCreate()`, `onOptionsItemSelected()`, `onCreateContextMenu()`, and `loadUrl()`.
188 private final Map<String, String> customHeaders = new HashMap<>();
190 // `javaScriptEnabled` is also used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `applyAppSettings()`.
191 // It is `Boolean` instead of `boolean` because `applyAppSettings()` needs to know if it is `null`.
192 private Boolean javaScriptEnabled;
194 // `firstPartyCookiesEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, `onDownloadImage()`, `onDownloadFile()`, and `applyAppSettings()`.
195 private boolean firstPartyCookiesEnabled;
197 // `thirdPartyCookiesEnabled` used in `onCreate()`, `onCreateOptionsMenu()`, `onPrepareOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
198 private boolean thirdPartyCookiesEnabled;
200 // `domStorageEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
201 private boolean domStorageEnabled;
203 // `saveFormDataEnabled` is used in `onCreate()`, `onCreateOptionsMenu()`, `onOptionsItemSelected()`, and `applyAppSettings()`.
204 private boolean saveFormDataEnabled;
206 // `swipeToRefreshEnabled` is used in `onPrepareOptionsMenu()` and `applyAppSettings()`.
207 private boolean swipeToRefreshEnabled;
209 // 'homepage' is used in `onCreate()`, `onNavigationItemSelected()`, and `applyAppSettings()`.
210 private String homepage;
212 // `searchURL` is used in `loadURLFromTextBox()` and `applyAppSettings()`.
213 private String searchURL;
215 // `adBlockerEnabled` is used in `onCreate()` and `applyAppSettings()`.
216 private boolean adBlockerEnabled;
218 // `privacyBrowserRuntime` is used in `onCreate()` and `applyAppSettings()`.
219 private Runtime privacyBrowserRuntime;
221 // `incognitoModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
222 private boolean incognitoModeEnabled;
224 // `fullScreenBrowsingModeEnabled` is used in `onCreate()` and `applyAppSettings()`.
225 private boolean fullScreenBrowsingModeEnabled;
227 // `inFullScreenBrowsingMode` is used in `onCreate()`, `onConfigurationChanged()`, and `applyAppSettings()`.
228 private boolean inFullScreenBrowsingMode;
230 // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
231 private boolean hideSystemBarsOnFullscreen;
233 // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applyAppSettings()`.
234 private boolean translucentNavigationBarOnFullscreen;
236 // `currentDomainName` is used in `onCreate()`, `onNavigationItemSelected()`, and `applyDomainSettings()`.
237 private String currentDomainName;
239 // `waitingForOrbot` is used in `onCreate()` and `applyAppSettings()`.
240 private boolean waitingForOrbot;
242 // `domainSettingsApplied` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
243 private boolean domainSettingsApplied;
245 // `displayWebpageImagesInt` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
246 private int displayWebpageImagesInt;
248 // `onTheFlyDisplayImagesSet` is used in `applyDomainSettings()` and `setDisplayWebpageImages()`.
249 private boolean onTheFlyDisplayImagesSet;
251 // `waitingForOrbotData` is used in `onCreate()` and `applyAppSettings()`.
252 private String waitingForOrbotHTMLString;
254 // `privateDataDirectoryString` is used in `onCreate()` and `onNavigationItemSelected()`.
255 private String privateDataDirectoryString;
257 // `findOnPageLinearLayout` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
258 private LinearLayout findOnPageLinearLayout;
260 // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
261 private EditText findOnPageEditText;
263 // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`.
264 private Menu mainMenu;
266 // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`.
267 private ActionBarDrawerToggle drawerToggle;
269 // `supportAppBar` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`.
270 private Toolbar supportAppBar;
272 // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, `loadUrlFromTextBox()`, `loadUrl()`, and `highlightUrlText()`.
273 private EditText urlTextBox;
275 // `redColorSpan` is used in `onCreate()` and `highlightUrlText()`.
276 private ForegroundColorSpan redColorSpan;
278 // `initialGrayColorSpan` is sued in `onCreate()` and `highlightUrlText()`.
279 private ForegroundColorSpan initialGrayColorSpan;
281 // `finalGrayColorSpam` is used in `onCreate()` and `highlightUrlText()`.
282 private ForegroundColorSpan finalGrayColorSpan;
284 // `adView` is used in `onCreate()` and `onConfigurationChanged()`.
287 // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`.
288 private SslErrorHandler sslErrorHandler;
290 // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`.
291 private InputMethodManager inputMethodManager;
293 // `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
294 private RelativeLayout mainWebViewRelativeLayout;
296 // `urlIsLoading` is used in `onCreate()`, `loadUrl()`, and `applyDomainSettings()`.
297 private boolean urlIsLoading;
300 // 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.
301 @SuppressLint("SetJavaScriptEnabled")
302 // Remove Android Studio's warning about deprecations. We have to use the deprecated `getColor()` until API >= 23.
303 @SuppressWarnings("deprecation")
304 protected void onCreate(Bundle savedInstanceState) {
305 // Get a handle for `sharedPreferences`. `this` references the current context.
306 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
308 // Get the theme preference.
309 darkTheme = sharedPreferences.getBoolean("dark_theme", false);
311 // Set the activity theme.
313 setTheme(R.style.PrivacyBrowserDark);
315 setTheme(R.style.PrivacyBrowserLight);
318 // Run the default commands.
319 super.onCreate(savedInstanceState);
321 // Set the content view.
322 setContentView(R.layout.main_drawerlayout);
324 // Get a handle for `inputMethodManager`.
325 inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
327 // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
328 supportAppBar = (Toolbar) findViewById(R.id.app_bar);
329 setSupportActionBar(supportAppBar);
330 appBar = getSupportActionBar();
332 // This is needed to get rid of the Android Studio warning that `appBar` might be null.
333 assert appBar != null;
335 // Add the custom `url_app_bar` layout, which shows the favorite icon and the URL text bar.
336 appBar.setCustomView(R.layout.url_app_bar);
337 appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
339 // Initialize the `ForegroundColorSpans` and `StyleSpan` for highlighting `urlTextBox`. We have to use the deprecated `getColor()` until API >= 23.
340 redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
341 initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
342 finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
344 // Get a handle for `urlTextBox`.
345 urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
347 // Remove the formatting from `urlTextBar` when the user is editing the text.
348 urlTextBox.setOnFocusChangeListener(new View.OnFocusChangeListener() {
350 public void onFocusChange(View v, boolean hasFocus) {
351 if (hasFocus) { // The user is editing `urlTextBox`.
352 // Remove the highlighting.
353 urlTextBox.getText().removeSpan(redColorSpan);
354 urlTextBox.getText().removeSpan(initialGrayColorSpan);
355 urlTextBox.getText().removeSpan(finalGrayColorSpan);
356 } else { // The user has stopped editing `urlTextBox`.
357 // Reapply the highlighting.
363 // Set the `Go` button on the keyboard to load the URL in `urlTextBox`.
364 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
366 public boolean onKey(View v, int keyCode, KeyEvent event) {
367 // If the event is a key-down event on the `enter` button, load the URL.
368 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
369 // Load the URL into the mainWebView and consume the event.
371 loadUrlFromTextBox();
372 } catch (UnsupportedEncodingException e) {
375 // If the enter key was pressed, consume the event.
378 // If any other key was pressed, do not consume the event.
384 // Set `waitingForOrbotHTMLString`.
385 waitingForOrbotHTMLString = "<html><body><br/><center><h1>" + getString(R.string.waiting_for_orbot) + "</h1></center></body></html>";
387 // Initialize `currentDomainName`, `orbotStatus`, and `waitingForOrbot`.
388 currentDomainName = "";
389 orbotStatus = "unknown";
390 waitingForOrbot = false;
392 // Create an Orbot status `BroadcastReceiver`.
393 BroadcastReceiver orbotStatusBroadcastReceiver = new BroadcastReceiver() {
395 public void onReceive(Context context, Intent intent) {
396 // Store the content of the status message in `orbotStatus`.
397 orbotStatus = intent.getStringExtra("org.torproject.android.intent.extra.STATUS");
399 // If we are waiting on Orbot, load the website now that Orbot is connected.
400 if (orbotStatus.equals("ON") && waitingForOrbot) {
401 // Reset `waitingForOrbot`.
402 waitingForOrbot = false;
404 // Load `formattedUrlString
405 loadUrl(formattedUrlString);
410 // Register `orbotStatusBroadcastReceiver` on `this` context.
411 this.registerReceiver(orbotStatusBroadcastReceiver, new IntentFilter("org.torproject.android.intent.action.STATUS"));
413 // Get handles for views that need to be accessed.
414 drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout);
415 rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout);
416 mainWebViewRelativeLayout = (RelativeLayout) findViewById(R.id.main_webview_relativelayout);
417 mainWebView = (WebView) findViewById(R.id.main_webview);
418 findOnPageLinearLayout = (LinearLayout) findViewById(R.id.find_on_page_linearlayout);
419 findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext);
420 fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout);
421 urlAppBarRelativeLayout = (RelativeLayout) findViewById(R.id.url_app_bar_relativelayout);
422 favoriteIconImageView = (ImageView) findViewById(R.id.favorite_icon);
424 // Create a double-tap listener to toggle full-screen mode.
425 final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
426 // Override `onDoubleTap()`. All other events are handled using the default settings.
428 public boolean onDoubleTap(MotionEvent event) {
429 if (fullScreenBrowsingModeEnabled) { // Only process the double-tap if full screen browsing mode is enabled.
430 // Toggle `inFullScreenBrowsingMode`.
431 inFullScreenBrowsingMode = !inFullScreenBrowsingMode;
433 if (inFullScreenBrowsingMode) { // Switch to full screen mode.
434 // Hide the `appBar`.
437 // Hide the `BannerAd` in the free flavor.
438 if (BuildConfig.FLAVOR.contentEquals("free")) {
439 BannerAd.hideAd(adView);
442 // Modify the system bars.
443 if (hideSystemBarsOnFullscreen) { // Hide everything.
444 // Remove the translucent overlays.
445 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
447 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
448 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
450 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
451 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
452 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
454 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
456 // Set `rootCoordinatorLayout` to fill the whole screen.
457 rootCoordinatorLayout.setFitsSystemWindows(false);
458 } else { // Hide everything except the status and navigation bars.
459 // Set `rootCoordinatorLayout` to fit under the status and navigation bars.
460 rootCoordinatorLayout.setFitsSystemWindows(false);
462 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.
463 // Set the navigation bar to be translucent.
464 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
467 } else { // Switch to normal viewing mode.
468 // Show the `appBar`.
471 // Show the `BannerAd` in the free flavor.
472 if (BuildConfig.FLAVOR.contentEquals("free")) {
473 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
474 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
476 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
477 adView = findViewById(R.id.adview);
480 // Remove the translucent navigation bar flag if it is set.
481 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
483 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
484 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
486 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
487 rootCoordinatorLayout.setSystemUiVisibility(0);
489 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
490 rootCoordinatorLayout.setFitsSystemWindows(true);
493 // Consume the double-tap.
495 } else { // Do not consume the double-tap because full screen browsing mode is disabled.
501 // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps.
502 mainWebView.setOnTouchListener(new View.OnTouchListener() {
504 public boolean onTouch(View v, MotionEvent event) {
505 // Send the `event` to `gestureDetector`.
506 return gestureDetector.onTouchEvent(event);
510 // Update `findOnPageCountTextView`.
511 mainWebView.setFindListener(new WebView.FindListener() {
512 // Get a handle for `findOnPageCountTextView`.
513 final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview);
516 public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) {
517 if ((isDoneCounting) && (numberOfMatches == 0)) { // There are no matches.
518 // Set `findOnPageCountTextView` to `0/0`.
519 findOnPageCountTextView.setText(R.string.zero_of_zero);
520 } else if (isDoneCounting) { // There are matches.
521 // `activeMatchOrdinal` is zero-based.
522 int activeMatch = activeMatchOrdinal + 1;
524 // Set `findOnPageCountTextView`.
525 findOnPageCountTextView.setText(activeMatch + "/" + numberOfMatches);
530 // Search for the string on the page whenever a character changes in the `findOnPageEditText`.
531 findOnPageEditText.addTextChangedListener(new TextWatcher() {
533 public void beforeTextChanged(CharSequence s, int start, int count, int after) {
538 public void onTextChanged(CharSequence s, int start, int before, int count) {
543 public void afterTextChanged(Editable s) {
544 // Search for the text in `mainWebView`.
545 mainWebView.findAllAsync(findOnPageEditText.getText().toString());
549 // Set the `check mark` button for the `findOnPageEditText` keyboard to close the soft keyboard.
550 findOnPageEditText.setOnKeyListener(new View.OnKeyListener() {
552 public boolean onKey(View v, int keyCode, KeyEvent event) {
553 if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) { // The `enter` key was pressed.
554 // Hide the soft keyboard. `0` indicates no additional flags.
555 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
557 // Consume the event.
559 } else { // A different key was pressed.
560 // Do not consume the event.
566 // Implement swipe to refresh
567 swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refreshlayout);
568 swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
569 swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
571 public void onRefresh() {
572 mainWebView.reload();
576 // `DrawerTitle` identifies the `DrawerLayout` in accessibility mode.
577 drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer));
579 // Listen for touches on the navigation menu.
580 final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview);
581 navigationView.setNavigationItemSelectedListener(this);
583 // 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.
584 final Menu navigationMenu = navigationView.getMenu();
585 final MenuItem navigationBackMenuItem = navigationMenu.getItem(1);
586 final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2);
587 final MenuItem navigationHistoryMenuItem = navigationMenu.getItem(3);
589 // The `DrawerListener` allows us to update the Navigation Menu.
590 drawerLayout.addDrawerListener(new DrawerLayout.DrawerListener() {
592 public void onDrawerSlide(View drawerView, float slideOffset) {
596 public void onDrawerOpened(View drawerView) {
600 public void onDrawerClosed(View drawerView) {
604 public void onDrawerStateChanged(int newState) {
605 if ((newState == DrawerLayout.STATE_SETTLING) || (newState == DrawerLayout.STATE_DRAGGING)) { // The drawer is opening or closing.
606 // Update the `Back`, `Forward`, and `History` menu items.
607 navigationBackMenuItem.setEnabled(mainWebView.canGoBack());
608 navigationForwardMenuItem.setEnabled(mainWebView.canGoForward());
609 navigationHistoryMenuItem.setEnabled((mainWebView.canGoBack() || mainWebView.canGoForward()));
611 // Hide the keyboard (if displayed) so we can see the navigation menu. `0` indicates no additional flags.
612 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
614 // Clear the focus from `urlTextBox` if it has it.
615 urlTextBox.clearFocus();
620 // drawerToggle creates the hamburger icon at the start of the AppBar.
621 drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer);
623 // Initialize `adServerSet`.
624 final Set<String> adServersSet = new HashSet<>();
626 // Load the list of ad servers into memory.
628 // Load `pgl.yoyo.org_adservers.txt` into a `BufferedReader`.
629 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(getAssets().open("pgl.yoyo.org_adservers.txt")));
631 // Create a string for storing each ad server.
634 // Populate `adServersSet`.
635 while ((adServer = bufferedReader.readLine()) != null) {
636 adServersSet.add(adServer);
639 // Close `bufferedReader`.
640 bufferedReader.close();
641 } catch (IOException ioException) {
642 // We're pretty sure the asset exists, so we don't need to worry about the `IOException` ever being thrown.
645 mainWebView.setWebViewClient(new WebViewClient() {
646 // `shouldOverrideUrlLoading` makes this `WebView` the default handler for URLs inside the app, so that links are not kicked out to other apps.
647 // We have to use the deprecated `shouldOverrideUrlLoading` until API >= 24.
648 @SuppressWarnings("deprecation")
650 public boolean shouldOverrideUrlLoading(WebView view, String url) {
651 if (url.startsWith("mailto:")) { // Load the URL in an external email program because it begins with `mailto:`.
652 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
653 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
655 // Parse the url and set it as the data for the `Intent`.
656 emailIntent.setData(Uri.parse(url));
658 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
659 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
662 startActivity(emailIntent);
664 // Returning `true` indicates the application is handling the URL.
666 } else { // Load the URL in Privacy Browser.
667 // Apply the domain settings for the new URL.
668 applyDomainSettings(url);
670 // Returning `false` causes the current `WebView` to handle the URL and prevents it from adding redirects to the history list.
675 // Block ads. We have to use the deprecated `shouldInterceptRequest` until minimum API >= 21.
676 @SuppressWarnings("deprecation")
678 public WebResourceResponse shouldInterceptRequest(WebView view, String url){
679 if (adBlockerEnabled) { // Block ads.
680 // Extract the host from `url`.
681 Uri requestUri = Uri.parse(url);
682 String requestHost = requestUri.getHost();
684 // Initialize a variable to track if this is an ad server.
685 boolean requestHostIsAdServer = false;
687 // Check all the subdomains of `requestHost` if it is not `null` against the ad server database.
688 if (requestHost != null) {
689 while (requestHost.contains(".") && !requestHostIsAdServer) { // Stop checking if we run out of `.` or if we already know that `requestHostIsAdServer` is `true`.
690 if (adServersSet.contains(requestHost)) {
691 requestHostIsAdServer = true;
694 // Strip out the lowest subdomain of `requestHost`.
695 requestHost = requestHost.substring(requestHost.indexOf(".") + 1);
699 if (requestHostIsAdServer) { // It is an ad server.
700 // Return an empty `WebResourceResponse`.
701 return new WebResourceResponse("text/plain", "utf8", new ByteArrayInputStream("".getBytes()));
702 } else { // It is not an ad server.
703 // `return null` loads the requested resource.
706 } else { // Ad blocking is disabled.
707 // `return null` loads the requested resource.
712 // Update the URL in urlTextBox when the page starts to load.
714 public void onPageStarted(WebView view, String url, Bitmap favicon) {
715 // Reset `webViewTitle`
716 webViewTitle = getString(R.string.no_title);
718 // Check to see if we are waiting on Orbot.
719 if (!waitingForOrbot) { // We are not waiting on Orbot, so we need to process the URL.
720 // 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.
721 formattedUrlString = url;
723 // Display the formatted URL text.
724 urlTextBox.setText(formattedUrlString);
726 // Apply text highlighting to `urlTextBox`.
729 // Apply any custom domain settings if the URL was loaded by navigating history.
730 if (navigatingHistory) {
731 applyDomainSettings(url);
734 // 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.
739 // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
741 public void onPageFinished(WebView view, String url) {
742 // Reset `urlIsLoading`, which is used to prevent reloads on redirect if the user agent changes.
743 urlIsLoading = false;
745 // Clear the cache and history if Incognito Mode is enabled.
746 if (incognitoModeEnabled) {
747 // Clear the cache. `true` includes disk files.
748 mainWebView.clearCache(true);
750 // Clear the back/forward history.
751 mainWebView.clearHistory();
753 // Manually delete cache folders.
755 // Delete the main `cache` folder.
756 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
758 // Delete the `app_webview` folder, which contains an additional `WebView` cache. See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
759 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
760 } catch (IOException e) {
761 // Do nothing if an error is thrown.
765 // Update `urlTextBox` and apply domain settings if not waiting on Orbot.
766 if (!waitingForOrbot) {
767 // Check to see if `WebView` has set `url` to be `about:blank`.
768 if (url.equals("about:blank")) { // `WebView` is blank, so `formattedUrlString` should be `""` and `urlTextBox` should display a hint.
769 // Set `formattedUrlString` to `""`.
770 formattedUrlString = "";
772 urlTextBox.setText(formattedUrlString);
774 // Request focus for `urlTextBox`.
775 urlTextBox.requestFocus();
777 // Display the keyboard.
778 inputMethodManager.showSoftInput(urlTextBox, 0);
780 // Apply the domain settings. This clears any settings from the previous domain.
781 applyDomainSettings(formattedUrlString);
782 } else { // `WebView` has loaded a webpage.
783 // Set `formattedUrlString`.
784 formattedUrlString = url;
786 // Only update `urlTextBox` if the user is not typing in it.
787 if (!urlTextBox.hasFocus()) {
788 // Display the formatted URL text.
789 urlTextBox.setText(formattedUrlString);
791 // Apply text highlighting to `urlTextBox`.
796 // Store the SSL certificate so it can be accessed from `ViewSslCertificateDialog`.
797 sslCertificate = mainWebView.getCertificate();
801 // Handle SSL Certificate errors.
803 public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
804 // Store `handler` so it can be accesses from `onSslErrorCancel()` and `onSslErrorProceed()`.
805 sslErrorHandler = handler;
807 // Display the SSL error `AlertDialog`.
808 AppCompatDialogFragment sslCertificateErrorDialogFragment = SslCertificateErrorDialog.displayDialog(error);
809 sslCertificateErrorDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.ssl_certificate_error));
813 // Get a handle for the progress bar.
814 final ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar);
816 mainWebView.setWebChromeClient(new WebChromeClient() {
817 // Update the progress bar when a page is loading.
819 public void onProgressChanged(WebView view, int progress) {
820 progressBar.setProgress(progress);
821 if (progress < 100) {
822 progressBar.setVisibility(View.VISIBLE);
824 progressBar.setVisibility(View.GONE);
826 //Stop the `SwipeToRefresh` indicator if it is running
827 swipeRefreshLayout.setRefreshing(false);
831 // Set the favorite icon when it changes.
833 public void onReceivedIcon(WebView view, Bitmap icon) {
834 // Only update the favorite icon if the website has finished loading.
835 if (progressBar.getVisibility() == View.GONE) {
836 // Save a copy of the favorite icon.
837 favoriteIconBitmap = icon;
839 // Place the favorite icon in the appBar.
840 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
844 // Save a copy of the title when it changes.
846 public void onReceivedTitle(WebView view, String title) {
847 // Save a copy of the title.
848 webViewTitle = title;
851 // Enter full screen video
853 public void onShowCustomView(View view, CustomViewCallback callback) {
854 // Pause the ad if this is the free flavor.
855 if (BuildConfig.FLAVOR.contentEquals("free")) {
856 BannerAd.pauseAd(adView);
859 // Remove the translucent overlays.
860 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
862 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
863 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
865 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
866 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
867 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
869 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
871 // Set `rootCoordinatorLayout` to fill the entire screen.
872 rootCoordinatorLayout.setFitsSystemWindows(false);
874 // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen.
875 fullScreenVideoFrameLayout.addView(view);
876 fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
879 // Exit full screen video
880 public void onHideCustomView() {
881 // Hide `fullScreenVideoFrameLayout`.
882 fullScreenVideoFrameLayout.removeAllViews();
883 fullScreenVideoFrameLayout.setVisibility(View.GONE);
885 // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
886 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
888 // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags.
889 rootCoordinatorLayout.setFitsSystemWindows(true);
891 // Show the ad if this is the free flavor.
892 if (BuildConfig.FLAVOR.contentEquals("free")) {
893 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
894 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
896 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
897 adView = findViewById(R.id.adview);
902 // Register `mainWebView` for a context menu. This is used to see link targets and download images.
903 registerForContextMenu(mainWebView);
905 // Allow the downloading of files.
906 mainWebView.setDownloadListener(new DownloadListener() {
908 public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
909 // Show the `DownloadFileDialog` `AlertDialog` and name this instance `@string/download`.
910 AppCompatDialogFragment downloadFileDialogFragment = DownloadFileDialog.fromUrl(url, contentDisposition, contentLength);
911 downloadFileDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
915 // Allow pinch to zoom.
916 mainWebView.getSettings().setBuiltInZoomControls(true);
918 // Hide zoom controls.
919 mainWebView.getSettings().setDisplayZoomControls(false);
921 // Set `mainWebView` to use a wide viewport. Otherwise, some web pages will be scrunched and some content will render outside the screen.
922 mainWebView.getSettings().setUseWideViewPort(true);
924 // Set `mainWebView` to load in overview mode (zoomed out to the maximum width).
925 mainWebView.getSettings().setLoadWithOverviewMode(true);
927 // Initialize cookieManager.
928 cookieManager = CookieManager.getInstance();
930 // Replace the header that `WebView` creates for `X-Requested-With` with a null value. The default value is the application ID (com.stoutner.privacybrowser.standard).
931 customHeaders.put("X-Requested-With", "");
933 // Initialize the default preference values the first time the program is run. `this` is the context. `false` keeps this command from resetting any current preferences back to default.
934 PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
936 // Get the intent that started the app.
937 final Intent launchingIntent = getIntent();
939 // Extract the launching intent data as `launchingIntentUriData`.
940 final Uri launchingIntentUriData = launchingIntent.getData();
942 // Convert the launching intent URI data (if it exists) to a string and store it in `formattedUrlString`.
943 if (launchingIntentUriData != null) {
944 formattedUrlString = launchingIntentUriData.toString();
947 // Get a handle for the `Runtime`.
948 privacyBrowserRuntime = Runtime.getRuntime();
950 // Store the application's private data directory.
951 privateDataDirectoryString = getApplicationInfo().dataDir; // `dataDir` will vary, but will be something like `/data/user/0/com.stoutner.privacybrowser.standard`, which links to `/data/data/com.stoutner.privacybrowser.standard`.
953 // Initialize `inFullScreenBrowsingMode`, which is always false at this point because Privacy Browser never starts in full screen browsing mode.
954 inFullScreenBrowsingMode = false;
956 // Initialize AdView for the free flavor.
957 adView = findViewById(R.id.adview);
959 // Initialize the privacy settings variables.
960 javaScriptEnabled = false;
961 firstPartyCookiesEnabled = false;
962 thirdPartyCookiesEnabled = false;
963 domStorageEnabled = false;
964 saveFormDataEnabled = false;
966 // Initialize `webViewTitle`.
967 webViewTitle = getString(R.string.no_title);
969 // Initialize `favoriteIconBitmap`. We have to use `ContextCompat` until API >= 21.
970 Drawable favoriteIconDrawable = ContextCompat.getDrawable(getApplicationContext(), R.drawable.world);
971 BitmapDrawable favoriteIconBitmapDrawable = (BitmapDrawable) favoriteIconDrawable;
972 favoriteIconDefaultBitmap = favoriteIconBitmapDrawable.getBitmap();
974 // If the favorite icon is null, load the default.
975 if (favoriteIconBitmap == null) {
976 favoriteIconBitmap = favoriteIconDefaultBitmap;
979 // Apply the app settings from the shared preferences.
982 // Load `formattedUrlString` if we are not waiting for Orbot to connect.
983 if (!waitingForOrbot) {
984 loadUrl(formattedUrlString);
989 protected void onNewIntent(Intent intent) {
990 // Sets the new intent as the activity intent, so that any future `getIntent()`s pick up this one instead of creating a new activity.
993 if (intent.getData() != null) {
994 // Get the intent data and convert it to a string.
995 final Uri intentUriData = intent.getData();
996 formattedUrlString = intentUriData.toString();
999 // Close the navigation drawer if it is open.
1000 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
1001 drawerLayout.closeDrawer(GravityCompat.START);
1004 // Load the website.
1005 loadUrl(formattedUrlString);
1007 // Clear the keyboard if displayed and remove the focus on the urlTextBar if it has it.
1008 mainWebView.requestFocus();
1012 public void onRestart() {
1015 // Apply the app settings, which may have been changed in `SettingsActivity`.
1018 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1019 updatePrivacyIcons(true);
1021 // Set the display webpage images mode.
1022 setDisplayWebpageImages();
1024 // Reload the webpage if displaying of images has been disabled in `SettingsFragment`.
1025 if (reloadOnRestartBoolean) {
1026 // Reload `mainWebView`.
1027 mainWebView.reload();
1029 // Reset `reloadOnRestartBoolean`.
1030 reloadOnRestartBoolean = false;
1034 // `onResume()` runs after `onStart()`, which runs after `onCreate()` and `onRestart()`.
1036 public void onResume() {
1039 // Resume JavaScript (if enabled).
1040 mainWebView.resumeTimers();
1042 // Resume `mainWebView`.
1043 mainWebView.onResume();
1045 // Resume the adView for the free flavor.
1046 if (BuildConfig.FLAVOR.contentEquals("free")) {
1047 BannerAd.resumeAd(adView);
1052 public void onPause() {
1053 // Pause `mainWebView`.
1054 mainWebView.onPause();
1056 // Stop all JavaScript.
1057 mainWebView.pauseTimers();
1059 // Pause the adView or it will continue to consume resources in the background on the free flavor.
1060 if (BuildConfig.FLAVOR.contentEquals("free")) {
1061 BannerAd.pauseAd(adView);
1068 public boolean onCreateOptionsMenu(Menu menu) {
1069 // Inflate the menu; this adds items to the action bar if it is present.
1070 getMenuInflater().inflate(R.menu.webview_options_menu, menu);
1072 // Set mainMenu so it can be used by `onOptionsItemSelected()` and `updatePrivacyIcons`.
1075 // Set the initial status of the privacy icons. `false` does not call `invalidateOptionsMenu` as the last step.
1076 updatePrivacyIcons(false);
1078 // Get handles for the menu items.
1079 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1080 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1081 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1082 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1084 // Only display third-party cookies if SDK >= 21
1085 toggleThirdPartyCookiesMenuItem.setVisible(Build.VERSION.SDK_INT >= 21);
1087 // Get the shared preference values. `this` references the current context.
1088 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1090 // Set the status of the additional app bar icons. The default is `false`.
1091 if (sharedPreferences.getBoolean("display_additional_app_bar_icons", false)) {
1092 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1093 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1094 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
1095 } else { //Do not display the additional icons.
1096 toggleFirstPartyCookiesMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1097 toggleDomStorageMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1098 toggleSaveFormDataMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
1105 public boolean onPrepareOptionsMenu(Menu menu) {
1106 // Get handles for the menu items.
1107 MenuItem toggleFirstPartyCookiesMenuItem = menu.findItem(R.id.toggle_first_party_cookies);
1108 MenuItem toggleThirdPartyCookiesMenuItem = menu.findItem(R.id.toggle_third_party_cookies);
1109 MenuItem toggleDomStorageMenuItem = menu.findItem(R.id.toggle_dom_storage);
1110 MenuItem toggleSaveFormDataMenuItem = menu.findItem(R.id.toggle_save_form_data);
1111 MenuItem clearCookiesMenuItem = menu.findItem(R.id.clear_cookies);
1112 MenuItem clearFormDataMenuItem = menu.findItem(R.id.clear_form_data);
1113 MenuItem fontSizeMenuItem = menu.findItem(R.id.font_size);
1114 MenuItem displayImagesMenuItem = menu.findItem(R.id.display_images);
1115 MenuItem refreshMenuItem = menu.findItem(R.id.refresh);
1117 // Set the status of the menu item checkboxes.
1118 toggleFirstPartyCookiesMenuItem.setChecked(firstPartyCookiesEnabled);
1119 toggleThirdPartyCookiesMenuItem.setChecked(thirdPartyCookiesEnabled);
1120 toggleDomStorageMenuItem.setChecked(domStorageEnabled);
1121 toggleSaveFormDataMenuItem.setChecked(saveFormDataEnabled);
1122 displayImagesMenuItem.setChecked(mainWebView.getSettings().getLoadsImagesAutomatically());
1124 // Enable third-party cookies if first-party cookies are enabled.
1125 toggleThirdPartyCookiesMenuItem.setEnabled(firstPartyCookiesEnabled);
1127 // Enable DOM Storage if JavaScript is enabled.
1128 toggleDomStorageMenuItem.setEnabled(javaScriptEnabled);
1130 // Enable Clear Cookies if there are any.
1131 clearCookiesMenuItem.setEnabled(cookieManager.hasCookies());
1133 // Enable Clear Form Data is there is any.
1134 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(this);
1135 clearFormDataMenuItem.setEnabled(mainWebViewDatabase.hasFormData());
1137 // Initialize font size variables.
1138 int fontSize = mainWebView.getSettings().getTextZoom();
1139 String fontSizeTitle;
1140 MenuItem selectedFontSizeMenuItem;
1142 // Prepare the font size title and current size menu item.
1145 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.twenty_five_percent);
1146 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_twenty_five_percent);
1150 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.fifty_percent);
1151 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_fifty_percent);
1155 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.seventy_five_percent);
1156 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_seventy_five_percent);
1160 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1161 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1165 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_twenty_five_percent);
1166 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_twenty_five_percent);
1170 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_fifty_percent);
1171 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_fifty_percent);
1175 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_seventy_five_percent);
1176 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_seventy_five_percent);
1180 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.two_hundred_percent);
1181 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_two_hundred_percent);
1185 fontSizeTitle = getResources().getString(R.string.font_size) + " - " + getResources().getString(R.string.one_hundred_percent);
1186 selectedFontSizeMenuItem = menu.findItem(R.id.font_size_one_hundred_percent);
1190 // Set the font size title and select the current size menu item.
1191 fontSizeMenuItem.setTitle(fontSizeTitle);
1192 selectedFontSizeMenuItem.setChecked(true);
1194 // Only show `Refresh` if `swipeToRefresh` is disabled.
1195 refreshMenuItem.setVisible(!swipeToRefreshEnabled);
1197 // Run all the other default commands.
1198 super.onPrepareOptionsMenu(menu);
1200 // `return true` displays the menu.
1205 // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
1206 @SuppressLint("SetJavaScriptEnabled")
1207 // removeAllCookies is deprecated, but it is required for API < 21.
1208 @SuppressWarnings("deprecation")
1209 public boolean onOptionsItemSelected(MenuItem menuItem) {
1210 int menuItemId = menuItem.getItemId();
1212 // Set the commands that relate to the menu entries.
1213 switch (menuItemId) {
1214 case R.id.toggle_javascript:
1215 // Switch the status of javaScriptEnabled.
1216 javaScriptEnabled = !javaScriptEnabled;
1218 // Apply the new JavaScript status.
1219 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
1221 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1222 updatePrivacyIcons(true);
1224 // Display a `Snackbar`.
1225 if (javaScriptEnabled) { // JavaScrip is enabled.
1226 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_enabled, Snackbar.LENGTH_SHORT).show();
1227 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled, but first-party cookies are enabled.
1228 Snackbar.make(findViewById(R.id.main_webview), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show();
1229 } else { // Privacy mode.
1230 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1233 // Reload the WebView.
1234 mainWebView.reload();
1237 case R.id.toggle_first_party_cookies:
1238 // Switch the status of firstPartyCookiesEnabled.
1239 firstPartyCookiesEnabled = !firstPartyCookiesEnabled;
1241 // Update the menu checkbox.
1242 menuItem.setChecked(firstPartyCookiesEnabled);
1244 // Apply the new cookie status.
1245 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
1247 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1248 updatePrivacyIcons(true);
1250 // Display a `Snackbar`.
1251 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
1252 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1253 } else if (javaScriptEnabled){ // JavaScript is still enabled.
1254 Snackbar.make(findViewById(R.id.main_webview), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1255 } else { // Privacy mode.
1256 Snackbar.make(findViewById(R.id.main_webview), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show();
1259 // Reload the WebView.
1260 mainWebView.reload();
1263 case R.id.toggle_third_party_cookies:
1264 if (Build.VERSION.SDK_INT >= 21) {
1265 // Switch the status of thirdPartyCookiesEnabled.
1266 thirdPartyCookiesEnabled = !thirdPartyCookiesEnabled;
1268 // Update the menu checkbox.
1269 menuItem.setChecked(thirdPartyCookiesEnabled);
1271 // Apply the new cookie status.
1272 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
1274 // Display a `Snackbar`.
1275 if (thirdPartyCookiesEnabled) {
1276 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show();
1278 Snackbar.make(findViewById(R.id.main_webview), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show();
1281 // Reload the WebView.
1282 mainWebView.reload();
1283 } // Else do nothing because SDK < 21.
1286 case R.id.toggle_dom_storage:
1287 // Switch the status of domStorageEnabled.
1288 domStorageEnabled = !domStorageEnabled;
1290 // Update the menu checkbox.
1291 menuItem.setChecked(domStorageEnabled);
1293 // Apply the new DOM Storage status.
1294 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
1296 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1297 updatePrivacyIcons(true);
1299 // Display a `Snackbar`.
1300 if (domStorageEnabled) {
1301 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show();
1303 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show();
1306 // Reload the WebView.
1307 mainWebView.reload();
1310 case R.id.toggle_save_form_data:
1311 // Switch the status of saveFormDataEnabled.
1312 saveFormDataEnabled = !saveFormDataEnabled;
1314 // Update the menu checkbox.
1315 menuItem.setChecked(saveFormDataEnabled);
1317 // Apply the new form data status.
1318 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
1320 // Display a `Snackbar`.
1321 if (saveFormDataEnabled) {
1322 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_enabled, Snackbar.LENGTH_SHORT).show();
1324 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_disabled, Snackbar.LENGTH_SHORT).show();
1327 // Update the privacy icon. `true` runs `invalidateOptionsMenu` as the last step.
1328 updatePrivacyIcons(true);
1330 // Reload the WebView.
1331 mainWebView.reload();
1334 case R.id.clear_cookies:
1335 Snackbar.make(findViewById(R.id.main_webview), R.string.cookies_deleted, Snackbar.LENGTH_LONG)
1336 .setAction(R.string.undo, new View.OnClickListener() {
1338 public void onClick(View v) {
1339 // Do nothing because everything will be handled by `onDismissed()` below.
1342 .addCallback(new Snackbar.Callback() {
1344 public void onDismissed(Snackbar snackbar, int event) {
1346 // The user pushed the `Undo` button.
1347 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1351 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1353 // `cookieManager.removeAllCookie()` varies by SDK.
1354 if (Build.VERSION.SDK_INT < 21) {
1355 cookieManager.removeAllCookie();
1357 // `null` indicates no callback.
1358 cookieManager.removeAllCookies(null);
1366 case R.id.clear_dom_storage:
1367 Snackbar.make(findViewById(R.id.main_webview), R.string.dom_storage_deleted, Snackbar.LENGTH_LONG)
1368 .setAction(R.string.undo, new View.OnClickListener() {
1370 public void onClick(View v) {
1371 // Do nothing because everything will be handled by `onDismissed()` below.
1374 .addCallback(new Snackbar.Callback() {
1376 public void onDismissed(Snackbar snackbar, int event) {
1378 // The user pushed the `Undo` button.
1379 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1383 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1385 // Delete the DOM Storage.
1386 WebStorage webStorage = WebStorage.getInstance();
1387 webStorage.deleteAllData();
1394 case R.id.clear_form_data:
1395 Snackbar.make(findViewById(R.id.main_webview), R.string.form_data_deleted, Snackbar.LENGTH_LONG)
1396 .setAction(R.string.undo, new View.OnClickListener() {
1398 public void onClick(View v) {
1399 // Do nothing because everything will be handled by `onDismissed()` below.
1402 .addCallback(new Snackbar.Callback() {
1404 public void onDismissed(Snackbar snackbar, int event) {
1406 // The user pushed the `Undo` button.
1407 case Snackbar.Callback.DISMISS_EVENT_ACTION:
1411 // The `Snackbar` was dismissed without the `Undo` button being pushed.
1413 // Delete the form data.
1414 WebViewDatabase mainWebViewDatabase = WebViewDatabase.getInstance(getApplicationContext());
1415 mainWebViewDatabase.clearFormData();
1422 case R.id.font_size_twenty_five_percent:
1423 mainWebView.getSettings().setTextZoom(25);
1426 case R.id.font_size_fifty_percent:
1427 mainWebView.getSettings().setTextZoom(50);
1430 case R.id.font_size_seventy_five_percent:
1431 mainWebView.getSettings().setTextZoom(75);
1434 case R.id.font_size_one_hundred_percent:
1435 mainWebView.getSettings().setTextZoom(100);
1438 case R.id.font_size_one_hundred_twenty_five_percent:
1439 mainWebView.getSettings().setTextZoom(125);
1442 case R.id.font_size_one_hundred_fifty_percent:
1443 mainWebView.getSettings().setTextZoom(150);
1446 case R.id.font_size_one_hundred_seventy_five_percent:
1447 mainWebView.getSettings().setTextZoom(175);
1450 case R.id.font_size_two_hundred_percent:
1451 mainWebView.getSettings().setTextZoom(200);
1454 case R.id.display_images:
1455 if (mainWebView.getSettings().getLoadsImagesAutomatically()) { // Images are currently loaded automatically.
1456 mainWebView.getSettings().setLoadsImagesAutomatically(false);
1457 mainWebView.reload();
1458 } else { // Images are not currently loaded automatically.
1459 mainWebView.getSettings().setLoadsImagesAutomatically(true);
1462 // Set `onTheFlyDisplayImagesSet`.
1463 onTheFlyDisplayImagesSet = true;
1467 // Setup the share string.
1469 if (webViewTitle != null) {
1470 shareString = webViewTitle + " – " + urlTextBox.getText().toString();
1472 shareString = urlTextBox.getText().toString();
1475 // Create the share intent.
1476 Intent shareIntent = new Intent();
1477 shareIntent.setAction(Intent.ACTION_SEND);
1478 shareIntent.putExtra(Intent.EXTRA_TEXT, shareString);
1479 shareIntent.setType("text/plain");
1482 startActivity(Intent.createChooser(shareIntent, "Share URL"));
1485 case R.id.find_on_page:
1486 // Hide the URL app bar.
1487 supportAppBar.setVisibility(View.GONE);
1489 // Show the Find on Page `RelativeLayout`.
1490 findOnPageLinearLayout.setVisibility(View.VISIBLE);
1492 // Display the keyboard. We have to wait 200 ms before running the command to work around a bug in Android.
1493 // http://stackoverflow.com/questions/5520085/android-show-softkeyboard-with-showsoftinput-is-not-working
1494 findOnPageEditText.postDelayed(new Runnable()
1499 // Set the focus on `findOnPageEditText`.
1500 findOnPageEditText.requestFocus();
1502 // Display the keyboard.
1503 inputMethodManager.showSoftInput(findOnPageEditText, 0);
1509 // Get a `PrintManager` instance.
1510 PrintManager printManager = (PrintManager) getSystemService(Context.PRINT_SERVICE);
1512 // Convert `mainWebView` to `printDocumentAdapter`.
1513 PrintDocumentAdapter printDocumentAdapter = mainWebView.createPrintDocumentAdapter();
1515 // Print the document. The print attributes are `null`.
1516 printManager.print(getResources().getString(R.string.privacy_browser_web_page), printDocumentAdapter, null);
1519 case R.id.add_to_homescreen:
1520 // Show the `CreateHomeScreenShortcutDialog` `AlertDialog` and name this instance `R.string.create_shortcut`.
1521 AppCompatDialogFragment createHomeScreenShortcutDialogFragment = new CreateHomeScreenShortcutDialog();
1522 createHomeScreenShortcutDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.create_shortcut));
1524 //Everything else will be handled by `CreateHomeScreenShortcutDialog` and the associated listener below.
1528 mainWebView.reload();
1532 // Don't consume the event.
1533 return super.onOptionsItemSelected(menuItem);
1537 // removeAllCookies is deprecated, but it is required for API < 21.
1538 @SuppressWarnings("deprecation")
1540 public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
1541 int menuItemId = menuItem.getItemId();
1543 switch (menuItemId) {
1549 if (mainWebView.canGoBack()) {
1550 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1551 navigatingHistory = true;
1553 // Load the previous website in the history.
1554 mainWebView.goBack();
1559 if (mainWebView.canGoForward()) {
1560 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
1561 navigatingHistory = true;
1563 // Load the next website in the history.
1564 mainWebView.goForward();
1569 // Get the `WebBackForwardList`.
1570 WebBackForwardList webBackForwardList = mainWebView.copyBackForwardList();
1572 // Show the `UrlHistoryDialog` `AlertDialog` and name this instance `R.string.history`. `this` is the `Context`.
1573 AppCompatDialogFragment urlHistoryDialogFragment = UrlHistoryDialog.loadBackForwardList(this, webBackForwardList);
1574 urlHistoryDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.history));
1577 case R.id.bookmarks:
1578 // Launch BookmarksActivity.
1579 Intent bookmarksIntent = new Intent(this, BookmarksActivity.class);
1580 startActivity(bookmarksIntent);
1583 case R.id.downloads:
1584 // Launch the system Download Manager.
1585 Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
1587 // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
1588 downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1590 startActivity(downloadManagerIntent);
1594 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1595 currentDomainName = "";
1597 // Launch `SettingsActivity`.
1598 Intent settingsIntent = new Intent(this, SettingsActivity.class);
1599 startActivity(settingsIntent);
1603 // Reset `currentDomainName` so that domain settings are reapplied after returning to `MainWebViewActivity`.
1604 currentDomainName = "";
1606 // Launch `DomainsActivity`.
1607 Intent domainsIntent = new Intent(this, DomainsActivity.class);
1608 startActivity(domainsIntent);
1612 // Launch `GuideActivity`.
1613 Intent guideIntent = new Intent(this, GuideActivity.class);
1614 startActivity(guideIntent);
1618 // Launch `AboutActivity`.
1619 Intent aboutIntent = new Intent(this, AboutActivity.class);
1620 startActivity(aboutIntent);
1623 case R.id.clearAndExit:
1624 // Get a handle for `sharedPreferences`. `this` references the current context.
1625 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
1627 boolean clearEverything = sharedPreferences.getBoolean("clear_everything", true);
1630 if (clearEverything || sharedPreferences.getBoolean("clear_cookies", true)) {
1631 // The command to remove cookies changed slightly in API 21.
1632 if (Build.VERSION.SDK_INT >= 21) {
1633 cookieManager.removeAllCookies(null);
1635 cookieManager.removeAllCookie();
1638 // Manually delete the cookies database, as `CookieManager` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1640 // We have to use two commands because `Runtime.exec()` does not like `*`.
1641 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies");
1642 privacyBrowserRuntime.exec("rm -f " + privateDataDirectoryString + "/app_webview/Cookies-journal");
1643 } catch (IOException e) {
1644 // Do nothing if an error is thrown.
1648 // Clear DOM storage.
1649 if (clearEverything || sharedPreferences.getBoolean("clear_dom_storage", true)) {
1650 // Ask `WebStorage` to clear the DOM storage.
1651 WebStorage webStorage = WebStorage.getInstance();
1652 webStorage.deleteAllData();
1654 // Manually delete the DOM storage directory, as `WebStorage` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1656 // We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1657 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Local Storage/"});
1658 } catch (IOException e) {
1659 // Do nothing if an error is thrown.
1664 if (clearEverything || sharedPreferences.getBoolean("clear_form_data", true)) {
1665 WebViewDatabase webViewDatabase = WebViewDatabase.getInstance(this);
1666 webViewDatabase.clearFormData();
1668 // Manually delete the form data database, as `WebViewDatabase` sometimes will not flush its changes to disk before `System.exit(0)` is run.
1670 // We have to use a `String[]` because the database contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1671 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data"});
1672 privacyBrowserRuntime.exec(new String[] {"rm", "-f", privateDataDirectoryString + "/app_webview/Web Data-journal"});
1673 } catch (IOException e) {
1674 // Do nothing if an error is thrown.
1679 if (clearEverything || sharedPreferences.getBoolean("clear_cache", true)) {
1680 // `true` includes disk files.
1681 mainWebView.clearCache(true);
1683 // Manually delete the cache directories.
1685 // Delete the main cache directory.
1686 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/cache");
1688 // Delete the secondary `Service Worker` cache directory. We have to use a `String[]` because the directory contains a space and `Runtime.exec` will not escape the string correctly otherwise.
1689 privacyBrowserRuntime.exec(new String[] {"rm", "-rf", privateDataDirectoryString + "/app_webview/Service Worker/"});
1690 } catch (IOException e) {
1691 // Do nothing if an error is thrown.
1695 // Clear SSL certificate preferences.
1696 mainWebView.clearSslPreferences();
1698 // Clear the back/forward history.
1699 mainWebView.clearHistory();
1701 // Clear `formattedUrlString`.
1702 formattedUrlString = null;
1704 // Clear `customHeaders`.
1705 customHeaders.clear();
1707 // Detach all views from `mainWebViewRelativeLayout`.
1708 mainWebViewRelativeLayout.removeAllViews();
1710 // Destroy the internal state of `mainWebView`.
1711 mainWebView.destroy();
1713 // Manually delete the `app_webview` folder, which contains the cookies, DOM storage, form data, and `Service Worker` cache.
1714 // See `https://code.google.com/p/android/issues/detail?id=233826&thanks=233826&ts=1486670530`.
1715 if (clearEverything) {
1717 privacyBrowserRuntime.exec("rm -rf " + privateDataDirectoryString + "/app_webview");
1718 } catch (IOException e) {
1719 // Do nothing if an error is thrown.
1723 // Close Privacy Browser. `finishAndRemoveTask` also removes Privacy Browser from the recent app list.
1724 if (Build.VERSION.SDK_INT >= 21) {
1725 finishAndRemoveTask();
1730 // Remove the terminated program from RAM. The status code is `0`.
1735 // Close the navigation drawer.
1736 drawerLayout.closeDrawer(GravityCompat.START);
1741 public void onPostCreate(Bundle savedInstanceState) {
1742 super.onPostCreate(savedInstanceState);
1744 // Sync the state of the DrawerToggle after onRestoreInstanceState has finished.
1745 drawerToggle.syncState();
1749 public void onConfigurationChanged(Configuration newConfig) {
1750 super.onConfigurationChanged(newConfig);
1752 // Reload the ad for the free flavor if we are not in full screen mode.
1753 if (BuildConfig.FLAVOR.contentEquals("free") && !inFullScreenBrowsingMode) {
1755 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
1757 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
1758 adView = findViewById(R.id.adview);
1761 // `invalidateOptionsMenu` should recalculate the number of action buttons from the menu to display on the app bar, but it doesn't because of the this bug: https://code.google.com/p/android/issues/detail?id=20493#c8
1762 // ActivityCompat.invalidateOptionsMenu(this);
1766 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) {
1767 // Store the `HitTestResult`.
1768 final WebView.HitTestResult hitTestResult = mainWebView.getHitTestResult();
1771 final String imageUrl;
1772 final String linkUrl;
1774 // Get a handle for the `ClipboardManager`.
1775 final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
1777 switch (hitTestResult.getType()) {
1778 // `SRC_ANCHOR_TYPE` is a link.
1779 case WebView.HitTestResult.SRC_ANCHOR_TYPE:
1780 // Get the target URL.
1781 linkUrl = hitTestResult.getExtra();
1783 // Set the target URL as the title of the `ContextMenu`.
1784 menu.setHeaderTitle(linkUrl);
1786 // Add a `Load URL` entry.
1787 menu.add(R.string.load_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1789 public boolean onMenuItemClick(MenuItem item) {
1795 // Add a `Copy URL` entry.
1796 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1798 public boolean onMenuItemClick(MenuItem item) {
1799 // Save the link URL in a `ClipData`.
1800 ClipData srcAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), linkUrl);
1802 // Set the `ClipData` as the clipboard's primary clip.
1803 clipboardManager.setPrimaryClip(srcAnchorTypeClipData);
1808 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1809 menu.add(R.string.cancel);
1812 case WebView.HitTestResult.EMAIL_TYPE:
1813 // Get the target URL.
1814 linkUrl = hitTestResult.getExtra();
1816 // Set the target URL as the title of the `ContextMenu`.
1817 menu.setHeaderTitle(linkUrl);
1819 // Add a `Write Email` entry.
1820 menu.add(R.string.write_email).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1822 public boolean onMenuItemClick(MenuItem item) {
1823 // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched.
1824 Intent emailIntent = new Intent(Intent.ACTION_SENDTO);
1826 // Parse the url and set it as the data for the `Intent`.
1827 emailIntent.setData(Uri.parse("mailto:" + linkUrl));
1829 // `FLAG_ACTIVITY_NEW_TASK` opens the email program in a new task instead as part of Privacy Browser.
1830 emailIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
1833 startActivity(emailIntent);
1838 // Add a `Copy Email Address` entry.
1839 menu.add(R.string.copy_email_address).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1841 public boolean onMenuItemClick(MenuItem item) {
1842 // Save the email address in a `ClipData`.
1843 ClipData srcEmailTypeClipData = ClipData.newPlainText(getResources().getString(R.string.email_address), linkUrl);
1845 // Set the `ClipData` as the clipboard's primary clip.
1846 clipboardManager.setPrimaryClip(srcEmailTypeClipData);
1851 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1852 menu.add(R.string.cancel);
1855 // `IMAGE_TYPE` is an image.
1856 case WebView.HitTestResult.IMAGE_TYPE:
1857 // Get the image URL.
1858 imageUrl = hitTestResult.getExtra();
1860 // Set the image URL as the title of the `ContextMenu`.
1861 menu.setHeaderTitle(imageUrl);
1863 // Add a `View Image` entry.
1864 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1866 public boolean onMenuItemClick(MenuItem item) {
1872 // Add a `Download Image` entry.
1873 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1875 public boolean onMenuItemClick(MenuItem item) {
1876 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1877 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1878 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1883 // Add a `Copy URL` entry.
1884 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1886 public boolean onMenuItemClick(MenuItem item) {
1887 // Save the image URL in a `ClipData`.
1888 ClipData srcImageTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1890 // Set the `ClipData` as the clipboard's primary clip.
1891 clipboardManager.setPrimaryClip(srcImageTypeClipData);
1896 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1897 menu.add(R.string.cancel);
1901 // `SRC_IMAGE_ANCHOR_TYPE` is an image that is also a link.
1902 case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
1903 // Get the image URL.
1904 imageUrl = hitTestResult.getExtra();
1906 // Set the image URL as the title of the `ContextMenu`.
1907 menu.setHeaderTitle(imageUrl);
1909 // Add a `View Image` entry.
1910 menu.add(R.string.view_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1912 public boolean onMenuItemClick(MenuItem item) {
1918 // Add a `Download Image` entry.
1919 menu.add(R.string.download_image).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1921 public boolean onMenuItemClick(MenuItem item) {
1922 // Show the `DownloadImageDialog` `AlertDialog` and name this instance `@string/download`.
1923 AppCompatDialogFragment downloadImageDialogFragment = DownloadImageDialog.imageUrl(imageUrl);
1924 downloadImageDialogFragment.show(getSupportFragmentManager(), getResources().getString(R.string.download));
1929 // Add a `Copy URL` entry.
1930 menu.add(R.string.copy_url).setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
1932 public boolean onMenuItemClick(MenuItem item) {
1933 // Save the image URL in a `ClipData`.
1934 ClipData srcImageAnchorTypeClipData = ClipData.newPlainText(getResources().getString(R.string.url), imageUrl);
1936 // Set the `ClipData` as the clipboard's primary clip.
1937 clipboardManager.setPrimaryClip(srcImageAnchorTypeClipData);
1942 // Add a `Cancel` entry, which by default closes the `ContextMenu`.
1943 menu.add(R.string.cancel);
1949 public void onCreateHomeScreenShortcut(AppCompatDialogFragment dialogFragment) {
1950 // Get shortcutNameEditText from the alert dialog.
1951 EditText shortcutNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.shortcut_name_edittext);
1953 // Create the bookmark shortcut based on formattedUrlString.
1954 Intent bookmarkShortcut = new Intent();
1955 bookmarkShortcut.setAction(Intent.ACTION_VIEW);
1956 bookmarkShortcut.setData(Uri.parse(formattedUrlString));
1958 // Place the bookmark shortcut on the home screen.
1959 Intent placeBookmarkShortcut = new Intent();
1960 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
1961 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
1962 placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIconBitmap);
1963 placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
1964 sendBroadcast(placeBookmarkShortcut);
1968 public void onDownloadImage(AppCompatDialogFragment dialogFragment, String imageUrl) {
1969 // Download the image if it has an HTTP or HTTPS URI.
1970 if (imageUrl.startsWith("http")) {
1971 // Get a handle for the system `DOWNLOAD_SERVICE`.
1972 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
1974 // Parse `imageUrl`.
1975 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(imageUrl));
1977 // Pass cookies to download manager if cookies are enabled. This is required to download images from websites that require a login.
1978 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
1979 if (firstPartyCookiesEnabled) {
1980 // Get the cookies for `imageUrl`.
1981 String cookies = cookieManager.getCookie(imageUrl);
1983 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
1984 downloadRequest.addRequestHeader("Cookie", cookies);
1987 // Get the file name from `dialogFragment`.
1988 EditText downloadImageNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_image_name);
1989 String imageName = downloadImageNameEditText.getText().toString();
1991 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
1992 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download save in the the `DIRECTORY_DOWNLOADS` using `imageName`.
1993 downloadRequest.setDestinationInExternalFilesDir(this, "/", imageName);
1994 } else { // Only set the title using `imageName`.
1995 downloadRequest.setTitle(imageName);
1998 // Allow `MediaScanner` to index the download if it is a media file.
1999 downloadRequest.allowScanningByMediaScanner();
2001 // Add the URL as the description for the download.
2002 downloadRequest.setDescription(imageUrl);
2004 // Show the download notification after the download is completed.
2005 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2007 // Initiate the download.
2008 downloadManager.enqueue(downloadRequest);
2009 } else { // The image is not an HTTP or HTTPS URI.
2010 Snackbar.make(mainWebView, R.string.cannot_download_image, Snackbar.LENGTH_INDEFINITE).show();
2015 public void onDownloadFile(AppCompatDialogFragment dialogFragment, String downloadUrl) {
2016 // Download the file if it has an HTTP or HTTPS URI.
2017 if (downloadUrl.startsWith("http")) {
2019 // Get a handle for the system `DOWNLOAD_SERVICE`.
2020 DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
2022 // Parse `downloadUrl`.
2023 DownloadManager.Request downloadRequest = new DownloadManager.Request(Uri.parse(downloadUrl));
2025 // Pass cookies to download manager if cookies are enabled. This is required to download files from websites that require a login.
2026 // Code contributed 2017 Hendrik Knackstedt. Copyright assigned to Soren Stoutner <soren@stoutner.com>.
2027 if (firstPartyCookiesEnabled) {
2028 // Get the cookies for `downloadUrl`.
2029 String cookies = cookieManager.getCookie(downloadUrl);
2031 // Add the cookies to `downloadRequest`. In the HTTP request header, cookies are named `Cookie`.
2032 downloadRequest.addRequestHeader("Cookie", cookies);
2035 // Get the file name from `dialogFragment`.
2036 EditText downloadFileNameEditText = (EditText) dialogFragment.getDialog().findViewById(R.id.download_file_name);
2037 String fileName = downloadFileNameEditText.getText().toString();
2039 // Once we have `WRITE_EXTERNAL_STORAGE` permissions we can use `setDestinationInExternalPublicDir`.
2040 if (Build.VERSION.SDK_INT >= 23) { // If API >= 23, set the download location to `/sdcard/Android/data/com.stoutner.privacybrowser.standard/files` named `fileName`.
2041 downloadRequest.setDestinationInExternalFilesDir(this, "/", fileName);
2042 } else { // Only set the title using `fileName`.
2043 downloadRequest.setTitle(fileName);
2046 // Allow `MediaScanner` to index the download if it is a media file.
2047 downloadRequest.allowScanningByMediaScanner();
2049 // Add the URL as the description for the download.
2050 downloadRequest.setDescription(downloadUrl);
2052 // Show the download notification after the download is completed.
2053 downloadRequest.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
2055 // Initiate the download.
2056 downloadManager.enqueue(downloadRequest);
2057 } else { // The download is not an HTTP or HTTPS URI.
2058 Snackbar.make(mainWebView, R.string.cannot_download_file, Snackbar.LENGTH_INDEFINITE).show();
2062 public void viewSslCertificate(View view) {
2063 // Show the `ViewSslCertificateDialog` `AlertDialog` and name this instance `@string/view_ssl_certificate`.
2064 DialogFragment viewSslCertificateDialogFragment = new ViewSslCertificateDialog();
2065 viewSslCertificateDialogFragment.show(getFragmentManager(), getResources().getString(R.string.view_ssl_certificate));
2069 public void onSslErrorCancel() {
2070 sslErrorHandler.cancel();
2074 public void onSslErrorProceed() {
2075 sslErrorHandler.proceed();
2079 public void onUrlHistoryEntrySelected(int moveBackOrForwardSteps) {
2080 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2081 navigatingHistory = true;
2083 // Load the history entry.
2084 mainWebView.goBackOrForward(moveBackOrForwardSteps);
2088 public void onClearHistory() {
2089 // Clear the history.
2090 mainWebView.clearHistory();
2093 // Override `onBackPressed` to handle the navigation drawer and `mainWebView`.
2095 public void onBackPressed() {
2096 // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text.
2097 if (drawerLayout.isDrawerVisible(GravityCompat.START)) {
2098 drawerLayout.closeDrawer(GravityCompat.START);
2100 // Load the previous URL if available.
2101 if (mainWebView.canGoBack()) {
2102 // Set `navigatingHistory` so that the domain settings are applied when the new URL is loaded.
2103 navigatingHistory = true;
2106 mainWebView.goBack();
2108 // Pass `onBackPressed()` to the system.
2109 super.onBackPressed();
2114 private void loadUrlFromTextBox() throws UnsupportedEncodingException {
2115 // Get the text from urlTextBox and convert it to a string. trim() removes white spaces from the beginning and end of the string.
2116 String unformattedUrlString = urlTextBox.getText().toString().trim();
2118 // Check to see if `unformattedUrlString` is a valid URL. Otherwise, convert it into a search.
2119 if ((Patterns.WEB_URL.matcher(unformattedUrlString).matches()) || (unformattedUrlString.startsWith("http://")) || (unformattedUrlString.startsWith("https://"))) {
2120 // Add `http://` at the beginning if it is missing. Otherwise the app will segfault.
2121 if (!unformattedUrlString.startsWith("http")) {
2122 unformattedUrlString = "http://" + unformattedUrlString;
2125 // Initialize `unformattedUrl`.
2126 URL unformattedUrl = null;
2128 // Convert `unformattedUrlString` to a `URL`, then to a `URI`, and then back to a `String`, which sanitizes the input and adds in any missing components.
2130 unformattedUrl = new URL(unformattedUrlString);
2131 } catch (MalformedURLException e) {
2132 e.printStackTrace();
2135 // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if `.get` was called on a `null` value.
2136 final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
2137 final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
2138 final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
2139 final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
2140 final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
2143 Uri.Builder formattedUri = new Uri.Builder();
2144 formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
2146 // Decode `formattedUri` as a `String` in `UTF-8`.
2147 formattedUrlString = URLDecoder.decode(formattedUri.build().toString(), "UTF-8");
2149 // Sanitize the search input and convert it to a search.
2150 final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
2152 // Add the base search URL.
2153 formattedUrlString = searchURL + encodedUrlString;
2156 loadUrl(formattedUrlString);
2158 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2159 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2163 private void loadUrl(String url) {
2164 // Apply any custom domain settings.
2165 applyDomainSettings(url);
2168 mainWebView.loadUrl(url, customHeaders);
2170 // Set `urlIsLoading` to prevent changes in the user agent on websites with redirects from reloading the current website.
2171 urlIsLoading = true;
2174 public void findPreviousOnPage(View view) {
2175 // Go to the previous highlighted phrase on the page. `false` goes backwards instead of forwards.
2176 mainWebView.findNext(false);
2179 public void findNextOnPage(View view) {
2180 // Go to the next highlighted phrase on the page. `true` goes forwards instead of backwards.
2181 mainWebView.findNext(true);
2184 public void closeFindOnPage(View view) {
2185 // Delete the contents of `find_on_page_edittext`.
2186 findOnPageEditText.setText(null);
2188 // Clear the highlighted phrases.
2189 mainWebView.clearMatches();
2191 // Hide the Find on Page `RelativeLayout`.
2192 findOnPageLinearLayout.setVisibility(View.GONE);
2194 // Show the URL app bar.
2195 supportAppBar.setVisibility(View.VISIBLE);
2197 // Hide the keyboard so we can see the webpage. `0` indicates no additional flags.
2198 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
2201 private void applyAppSettings() {
2202 // Get a handle for `sharedPreferences`. `this` references the current context.
2203 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2205 // Store the values from `sharedPreferences` in variables.
2206 String homepageString = sharedPreferences.getString("homepage", "https://start.duckduckgo.com");
2207 String torHomepageString = sharedPreferences.getString("tor_homepage", "https://3g2upl4pq6kufc4m.onion");
2208 String torSearchString = sharedPreferences.getString("tor_search", "https://3g2upl4pq6kufc4m.onion/html/?q=");
2209 String torSearchCustomURLString = sharedPreferences.getString("tor_search_custom_url", "");
2210 String searchString = sharedPreferences.getString("search", "https://duckduckgo.com/html/?q=");
2211 String searchCustomURLString = sharedPreferences.getString("search_custom_url", "");
2212 adBlockerEnabled = sharedPreferences.getBoolean("block_ads", true);
2213 incognitoModeEnabled = sharedPreferences.getBoolean("incognito_mode", false);
2214 boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", false);
2215 boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false);
2216 fullScreenBrowsingModeEnabled = sharedPreferences.getBoolean("full_screen_browsing_mode", false);
2217 hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false);
2218 translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true);
2219 swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh", false);
2220 displayWebpageImagesBoolean = sharedPreferences.getBoolean("display_webpage_images", true);
2222 // Set the homepage, search, and proxy options.
2223 if (proxyThroughOrbot) { // Set the Tor options.
2224 // Set `torHomepageString` as `homepage`.
2225 homepage = torHomepageString;
2227 // If formattedUrlString is null assign the homepage to it.
2228 if (formattedUrlString == null) {
2229 formattedUrlString = homepage;
2232 // Set the search URL.
2233 if (torSearchString.equals("Custom URL")) { // Get the custom URL string.
2234 searchURL = torSearchCustomURLString;
2235 } else { // Use the string from the pre-built list.
2236 searchURL = torSearchString;
2239 // Set the proxy. `this` refers to the current activity where an `AlertDialog` might be displayed.
2240 OrbotProxyHelper.setProxy(getApplicationContext(), this, "localhost", "8118");
2242 // Set the `appBar` background to indicate proxying through Orbot is enabled. `this` refers to the context.
2244 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.dark_blue_30));
2246 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.blue_50));
2249 // Display a message to the user if we are waiting on Orbot.
2250 if (!orbotStatus.equals("ON")) {
2251 // Set `waitingForOrbot`.
2252 waitingForOrbot = true;
2254 // Load a waiting page. `null` specifies no encoding, which defaults to ASCII.
2255 mainWebView.loadData(waitingForOrbotHTMLString, "text/html", null);
2257 } else { // Set the non-Tor options.
2258 // Set `homepageString` as `homepage`.
2259 homepage = homepageString;
2261 // If formattedUrlString is null assign the homepage to it.
2262 if (formattedUrlString == null) {
2263 formattedUrlString = homepage;
2266 // Set the search URL.
2267 if (searchString.equals("Custom URL")) { // Get the custom URL string.
2268 searchURL = searchCustomURLString;
2269 } else { // Use the string from the pre-built list.
2270 searchURL = searchString;
2273 // Reset the proxy to default. The host is `""` and the port is `"0"`.
2274 OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0");
2276 // Set the default `appBar` background. `this` refers to the context.
2278 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_900));
2280 appBar.setBackgroundDrawable(ContextCompat.getDrawable(this, R.color.gray_100));
2283 // Reset `waitingForOrbot.
2284 waitingForOrbot = false;
2287 // Set swipe to refresh.
2288 swipeRefreshLayout.setEnabled(swipeToRefreshEnabled);
2290 // Set Do Not Track status.
2291 if (doNotTrackEnabled) {
2292 customHeaders.put("DNT", "1");
2294 customHeaders.remove("DNT");
2297 // Apply the appropriate full screen mode the `SYSTEM_UI` flags.
2298 if (fullScreenBrowsingModeEnabled && inFullScreenBrowsingMode) {
2299 if (hideSystemBarsOnFullscreen) { // Hide everything.
2300 // Remove the translucent navigation setting if it is currently flagged.
2301 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2303 // Remove the translucent status bar overlay.
2304 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2306 // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command.
2307 drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
2309 /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen.
2310 * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen.
2311 * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown.
2313 rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
2314 } else { // Hide everything except the status and navigation bars.
2315 // Add the translucent status flag if it is unset.
2316 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2318 if (translucentNavigationBarOnFullscreen) {
2319 // Set the navigation bar to be translucent.
2320 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2322 // Set the navigation bar to be black.
2323 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2326 } else { // Switch to normal viewing mode.
2327 // Reset `inFullScreenBrowsingMode` to `false`.
2328 inFullScreenBrowsingMode = false;
2330 // Show the `appBar` if `findOnPageLinearLayout` is not visible.
2331 if (findOnPageLinearLayout.getVisibility() == View.GONE) {
2335 // Show the `BannerAd` in the free flavor.
2336 if (BuildConfig.FLAVOR.contentEquals("free")) {
2337 // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`.
2338 BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id));
2340 // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`.
2341 adView = findViewById(R.id.adview);
2344 // Remove the translucent navigation bar flag if it is set.
2345 getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
2347 // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`.
2348 getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
2350 // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`.
2351 rootCoordinatorLayout.setSystemUiVisibility(0);
2353 // Constrain `rootCoordinatorLayout` inside the status and navigation bars.
2354 rootCoordinatorLayout.setFitsSystemWindows(true);
2358 // We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2359 @SuppressWarnings("deprecation")
2360 private void applyDomainSettings(String url) {
2361 // Reset `navigatingHistory`.
2362 navigatingHistory = false;
2364 // Parse the URL into a URI.
2365 Uri uri = Uri.parse(url);
2367 // Extract the domain from `uri`.
2368 String hostName = uri.getHost();
2370 // Initialize `loadingNewDomainName`.
2371 boolean loadingNewDomainName;
2373 // If either `hostName` or `currentDomainName` are `null`, run the options for loading a new domain name.
2374 // The lint suggestion to simplify the `if` statement is incorrect, because `hostName.equals(currentDomainName)` can produce a `null object reference.`
2375 //noinspection SimplifiableIfStatement
2376 if ((hostName == null) || (currentDomainName == null)) {
2377 loadingNewDomainName = true;
2378 } else { // Determine if `hostName` equals `currentDomainName`.
2379 loadingNewDomainName = !hostName.equals(currentDomainName);
2382 // 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.
2383 if (loadingNewDomainName) {
2384 // Set the new `hostname` as the `currentDomainName`.
2385 currentDomainName = hostName;
2387 // Reset `favoriteIconBitmap` and display it in the `appbar`.
2388 favoriteIconBitmap = favoriteIconDefaultBitmap;
2389 favoriteIconImageView.setImageBitmap(Bitmap.createScaledBitmap(favoriteIconBitmap, 64, 64, true));
2391 // Initialize the database handler. `this` specifies the context. The two `nulls` do not specify the database name or a `CursorFactory`.
2392 // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
2393 DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(this, null, null, 0);
2395 // Get a full cursor from `domainsDatabaseHelper`.
2396 Cursor domainNameCursor = domainsDatabaseHelper.getDomainNameCursorOrderedByDomain();
2398 // Initialize `domainSettingsSet`.
2399 Set<String> domainSettingsSet = new HashSet<>();
2401 // Get the domain name column index.
2402 int domainNameColumnIndex = domainNameCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME);
2404 // Populate `domainSettingsSet`.
2405 for (int i = 0; i < domainNameCursor.getCount(); i++) {
2406 // Move `domainsCursor` to the current row.
2407 domainNameCursor.moveToPosition(i);
2409 // Store the domain name in `domainSettingsSet`.
2410 domainSettingsSet.add(domainNameCursor.getString(domainNameColumnIndex));
2413 // Close `domainNameCursor.
2414 domainNameCursor.close();
2416 // Initialize variables to track if domain settings will be applied and, if so, under which name.
2417 domainSettingsApplied = false;
2418 String domainNameInDatabase = null;
2420 // Check the hostname.
2421 if (domainSettingsSet.contains(hostName)) {
2422 domainSettingsApplied = true;
2423 domainNameInDatabase = hostName;
2426 // If `hostName` is not `null`, check all the subdomains of `hostName` against wildcard domains in `domainCursor`.
2427 if (hostName != null) {
2428 while (hostName.contains(".") && !domainSettingsApplied) { // Stop checking if we run out of `.` or if we already know that `domainSettingsApplied` is `true`.
2429 if (domainSettingsSet.contains("*." + hostName)) { // Check the host name prepended by `*.`.
2430 domainSettingsApplied = true;
2431 domainNameInDatabase = "*." + hostName;
2434 // Strip out the lowest subdomain of `host`.
2435 hostName = hostName.substring(hostName.indexOf(".") + 1);
2439 // Get a handle for the shared preference. `this` references the current context.
2440 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
2442 // Store the default font size and user agent information.
2443 String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
2444 String defaultUserAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
2445 String defaultCustomUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
2447 if (domainSettingsApplied) { // The url we are loading has custom domain settings.
2448 // Get a cursor for the current host and move it to the first position.
2449 Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
2450 currentHostDomainSettingsCursor.moveToFirst();
2452 // Get the settings from the cursor.
2453 javaScriptEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT)) == 1);
2454 firstPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES)) == 1);
2455 thirdPartyCookiesEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES)) == 1);
2456 domStorageEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE)) == 1);
2457 saveFormDataEnabled = (currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA)) == 1);
2458 String userAgentString = currentHostDomainSettingsCursor.getString(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
2459 int fontSize = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
2460 displayWebpageImagesInt = currentHostDomainSettingsCursor.getInt(currentHostDomainSettingsCursor.getColumnIndex(DomainsDatabaseHelper.DISPLAY_IMAGES));
2462 // Close `currentHostDomainSettingsCursor`.
2463 currentHostDomainSettingsCursor.close();
2465 // Apply the domain settings.
2466 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2467 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2468 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2469 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2471 // Apply the font size.
2472 if (fontSize == 0) { // Apply the default font size.
2473 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2474 } else { // Apply the specified font size.
2475 mainWebView.getSettings().setTextZoom(fontSize);
2478 // Set third-party cookies status if API >= 21.
2479 if (Build.VERSION.SDK_INT >= 21) {
2480 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2483 // 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>
2484 if (!urlIsLoading) {
2485 switch (userAgentString) {
2486 case "System default user agent":
2487 // Set the user agent according to the system default.
2488 switch (defaultUserAgentString) {
2489 case "WebView default user agent":
2490 // Set the user agent to `""`, which uses the default value.
2491 mainWebView.getSettings().setUserAgentString("");
2494 case "Custom user agent":
2495 // Set the custom user agent.
2496 mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
2500 // Use the selected user agent.
2501 mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
2505 case "WebView default user agent":
2506 // Set the user agent to `""`, which uses the default value.
2507 mainWebView.getSettings().setUserAgentString("");
2511 // Use the selected user agent.
2512 mainWebView.getSettings().setUserAgentString(userAgentString);
2516 // 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.
2518 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_dark_blue));
2520 urlAppBarRelativeLayout.setBackground(getResources().getDrawable(R.drawable.url_bar_background_light_green));
2522 } else { // The URL we are loading does not have custom domain settings. Load the defaults.
2523 // Store the values from `sharedPreferences` in variables.
2524 javaScriptEnabled = sharedPreferences.getBoolean("javascript_enabled", false);
2525 firstPartyCookiesEnabled = sharedPreferences.getBoolean("first_party_cookies_enabled", false);
2526 thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
2527 domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
2528 saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
2530 // Apply the default settings.
2531 mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
2532 cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
2533 mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
2534 mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
2535 mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
2537 // Set third-party cookies status if API >= 21.
2538 if (Build.VERSION.SDK_INT >= 21) {
2539 cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
2542 // 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>
2543 if (!urlIsLoading) {
2544 switch (defaultUserAgentString) {
2545 case "WebView default user agent":
2546 // Set the user agent to `""`, which uses the default value.
2547 mainWebView.getSettings().setUserAgentString("");
2550 case "Custom user agent":
2551 // Set the custom user agent.
2552 mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
2556 // Use the selected user agent.
2557 mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
2561 // Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
2562 urlAppBarRelativeLayout.setBackgroundDrawable(getResources().getDrawable(R.color.transparent));
2565 // Close `domainsDatabaseHelper`.
2566 domainsDatabaseHelper.close();
2568 // Remove the `onTheFlyDisplayImagesSet` flag and set the display webpage images mode. `true` indicates that custom domain settings are applied.
2569 onTheFlyDisplayImagesSet = false;
2570 setDisplayWebpageImages();
2572 // Update the privacy icons, but only if `mainMenu` has already been populated.
2573 if (mainMenu != null) {
2574 updatePrivacyIcons(true);
2579 private void setDisplayWebpageImages() {
2580 if (!onTheFlyDisplayImagesSet) {
2581 if (domainSettingsApplied) { // Custom domain settings are applied.
2582 switch (displayWebpageImagesInt) {
2583 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_SYSTEM_DEFAULT:
2584 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2587 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_ENABLED:
2588 mainWebView.getSettings().setLoadsImagesAutomatically(true);
2591 case DomainsDatabaseHelper.DISPLAY_WEBPAGE_IMAGES_DISABLED:
2592 mainWebView.getSettings().setLoadsImagesAutomatically(false);
2595 } else { // Default settings are applied.
2596 mainWebView.getSettings().setLoadsImagesAutomatically(displayWebpageImagesBoolean);
2601 private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {
2602 // Get handles for the icons.
2603 MenuItem privacyIconMenuItem = mainMenu.findItem(R.id.toggle_javascript);
2604 MenuItem firstPartyCookiesIconMenuItem = mainMenu.findItem(R.id.toggle_first_party_cookies);
2605 MenuItem domStorageIconMenuItem = mainMenu.findItem(R.id.toggle_dom_storage);
2606 MenuItem formDataIconMenuItem = mainMenu.findItem(R.id.toggle_save_form_data);
2608 // Update `privacyIcon`.
2609 if (javaScriptEnabled) { // JavaScript is enabled.
2610 privacyIconMenuItem.setIcon(R.drawable.javascript_enabled);
2611 } else if (firstPartyCookiesEnabled) { // JavaScript is disabled but cookies are enabled.
2612 privacyIconMenuItem.setIcon(R.drawable.warning);
2613 } else { // All the dangerous features are disabled.
2614 privacyIconMenuItem.setIcon(R.drawable.privacy_mode);
2617 // Update `firstPartyCookiesIcon`.
2618 if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
2619 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
2620 } else { // First-party cookies are disabled.
2622 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_dark);
2624 firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_light);
2628 // Update `domStorageIcon`.
2629 if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
2630 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
2631 } else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
2633 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_dark);
2635 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_light);
2637 } else { // JavaScript is disabled, so DOM storage is ghosted.
2639 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_dark);
2641 domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_light);
2645 // Update `formDataIcon`.
2646 if (saveFormDataEnabled) { // Form data is enabled.
2647 formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
2648 } else { // Form data is disabled.
2650 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_dark);
2652 formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_light);
2656 // `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
2657 if (runInvalidateOptionsMenu) {
2658 ActivityCompat.invalidateOptionsMenu(this);
2662 private void highlightUrlText() {
2663 String urlString = urlTextBox.getText().toString();
2665 if (urlString.startsWith("http://")) { // Highlight connections that are not encrypted.
2666 urlTextBox.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2667 } else if (urlString.startsWith("https://")) { // Highlight connections that are encrypted.
2668 urlTextBox.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
2671 // Get the index of the `/` immediately after the domain name.
2672 int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
2674 // De-emphasize the text after the domain name.
2675 if (endOfDomainName > 0) {
2676 urlTextBox.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);