3 * Copyright (C) 2007 The Android Open Source Project
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 package com.android.browser;
20 import com.android.browser.search.SearchEngine;
21 import com.android.browser.search.SearchEngines;
23 import android.app.ActivityManager;
24 import android.content.ComponentName;
25 import android.content.ContentResolver;
26 import android.content.Context;
27 import android.content.pm.ActivityInfo;
28 import android.content.SharedPreferences;
29 import android.content.SharedPreferences.Editor;
30 import android.database.ContentObserver;
31 import android.os.Handler;
32 import android.preference.PreferenceActivity;
33 import android.preference.PreferenceScreen;
34 import android.provider.Settings;
35 import android.util.Log;
36 import android.webkit.CookieManager;
37 import android.webkit.GeolocationPermissions;
38 import android.webkit.ValueCallback;
39 import android.webkit.WebView;
40 import android.webkit.WebViewDatabase;
41 import android.webkit.WebIconDatabase;
42 import android.webkit.WebSettings;
43 import android.webkit.WebStorage;
44 import android.preference.PreferenceManager;
45 import android.provider.Browser;
47 import java.util.HashMap;
50 import java.util.Observable;
53 * Package level class for storing various WebView and Browser settings. To use
55 * BrowserSettings s = BrowserSettings.getInstance();
56 * s.addObserver(webView.getSettings());
57 * s.loadFromDb(context); // Only needed on app startup
58 * s.javaScriptEnabled = true;
59 * ... // set any other settings
60 * s.update(); // this will update all the observers
62 * To remove an observer:
63 * s.deleteObserver(webView.getSettings());
65 class BrowserSettings extends Observable {
67 // Private variables for settings
68 // NOTE: these defaults need to be kept in sync with the XML
69 // until the performance of PreferenceManager.setDefaultValues()
71 // Note: boolean variables are set inside reset function.
72 private boolean loadsImagesAutomatically;
73 private boolean javaScriptEnabled;
74 private WebSettings.PluginState pluginState;
75 private boolean javaScriptCanOpenWindowsAutomatically;
76 private boolean showSecurityWarnings;
77 private boolean rememberPasswords;
78 private boolean saveFormData;
79 private boolean openInBackground;
80 private String defaultTextEncodingName;
81 private String homeUrl = "";
82 private SearchEngine searchEngine;
83 private boolean showSearchSuggestions;
84 private boolean autoFitPage;
85 private boolean landscapeOnly;
86 private boolean loadsPageInOverviewMode;
87 private boolean showDebugSettings;
89 private boolean appCacheEnabled;
90 private boolean databaseEnabled;
91 private boolean domStorageEnabled;
92 private boolean geolocationEnabled;
93 private boolean workersEnabled; // only affects V8. JSC does not have a similar setting
94 // HTML5 API configuration params
95 private long appCacheMaxSize = Long.MAX_VALUE;
96 private String appCachePath; // default value set in loadFromDb().
97 private String databasePath; // default value set in loadFromDb()
98 private String geolocationDatabasePath; // default value set in loadFromDb()
99 private WebStorageSizeManager webStorageSizeManager;
101 private String jsFlags = "";
103 private final static String TAG = "BrowserSettings";
105 // Development settings
106 public WebSettings.LayoutAlgorithm layoutAlgorithm =
107 WebSettings.LayoutAlgorithm.NARROW_COLUMNS;
108 private boolean useWideViewPort = true;
109 private int userAgent = 0;
110 private boolean tracing = false;
111 private boolean lightTouch = false;
112 private boolean navDump = false;
114 // By default the error console is shown once the user navigates to about:debug.
115 // The setting can be then toggled from the settings menu.
116 private boolean showConsole = true;
118 // Private preconfigured values
119 private static int minimumFontSize = 8;
120 private static int minimumLogicalFontSize = 8;
121 private static int defaultFontSize = 16;
122 private static int defaultFixedFontSize = 13;
123 private static WebSettings.TextSize textSize =
124 WebSettings.TextSize.NORMAL;
125 private static WebSettings.ZoomDensity zoomDensity =
126 WebSettings.ZoomDensity.MEDIUM;
127 private static int pageCacheCapacity;
129 // Preference keys that are used outside this class
130 public final static String PREF_CLEAR_CACHE = "privacy_clear_cache";
131 public final static String PREF_CLEAR_COOKIES = "privacy_clear_cookies";
132 public final static String PREF_CLEAR_HISTORY = "privacy_clear_history";
133 public final static String PREF_HOMEPAGE = "homepage";
134 public final static String PREF_SEARCH_ENGINE = "search_engine";
135 public final static String PREF_SHOW_SEARCH_SUGGESTIONS = "show_search_suggestions";
136 public final static String PREF_CLEAR_FORM_DATA =
137 "privacy_clear_form_data";
138 public final static String PREF_CLEAR_PASSWORDS =
139 "privacy_clear_passwords";
140 public final static String PREF_EXTRAS_RESET_DEFAULTS =
141 "reset_default_preferences";
142 public final static String PREF_DEBUG_SETTINGS = "debug_menu";
143 public final static String PREF_WEBSITE_SETTINGS = "website_settings";
144 public final static String PREF_TEXT_SIZE = "text_size";
145 public final static String PREF_DEFAULT_ZOOM = "default_zoom";
146 public final static String PREF_DEFAULT_TEXT_ENCODING =
147 "default_text_encoding";
148 public final static String PREF_CLEAR_GEOLOCATION_ACCESS =
149 "privacy_clear_geolocation_access";
151 private static final String DESKTOP_USERAGENT = "Mozilla/5.0 (Macintosh; " +
152 "U; Intel Mac OS X 10_6_3; en-us) AppleWebKit/533.16 (KHTML, " +
153 "like Gecko) Version/5.0 Safari/533.16";
155 private static final String IPHONE_USERAGENT = "Mozilla/5.0 (iPhone; U; " +
156 "CPU iPhone OS 4_0 like Mac OS X; en-us) AppleWebKit/532.9 " +
157 "(KHTML, like Gecko) Version/4.0.5 Mobile/8A293 Safari/6531.22.7";
159 private static final String IPAD_USERAGENT = "Mozilla/5.0 (iPad; U; " +
160 "CPU OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 " +
161 "(KHTML, like Gecko) Version/4.0.4 Mobile/7B367 Safari/531.21.10";
163 private static final String FROYO_USERAGENT = "Mozilla/5.0 (Linux; U; " +
164 "Android 2.2; en-us; Nexus One Build/FRF91) AppleWebKit/533.1 " +
165 "(KHTML, like Gecko) Version/4.0 Mobile Safari/533.1";
167 // Value to truncate strings when adding them to a TextView within
169 public final static int MAX_TEXTVIEW_LEN = 80;
171 private TabControl mTabControl;
173 // Single instance of the BrowserSettings for use in the Browser app.
174 private static BrowserSettings sSingleton;
176 // Private map of WebSettings to Observer objects used when deleting an
178 private HashMap<WebSettings,Observer> mWebSettingsToObservers =
179 new HashMap<WebSettings,Observer>();
182 * An observer wrapper for updating a WebSettings object with the new
183 * settings after a call to BrowserSettings.update().
185 static class Observer implements java.util.Observer {
186 // Private WebSettings object that will be updated.
187 private WebSettings mSettings;
189 Observer(WebSettings w) {
193 public void update(Observable o, Object arg) {
194 BrowserSettings b = (BrowserSettings)o;
195 WebSettings s = mSettings;
197 s.setLayoutAlgorithm(b.layoutAlgorithm);
198 if (b.userAgent == 0) {
199 // use the default ua string
200 s.setUserAgentString(null);
201 } else if (b.userAgent == 1) {
202 s.setUserAgentString(DESKTOP_USERAGENT);
203 } else if (b.userAgent == 2) {
204 s.setUserAgentString(IPHONE_USERAGENT);
205 } else if (b.userAgent == 3) {
206 s.setUserAgentString(IPAD_USERAGENT);
207 } else if (b.userAgent == 4) {
208 s.setUserAgentString(FROYO_USERAGENT);
210 s.setUseWideViewPort(b.useWideViewPort);
211 s.setLoadsImagesAutomatically(b.loadsImagesAutomatically);
212 s.setJavaScriptEnabled(b.javaScriptEnabled);
213 s.setPluginState(b.pluginState);
214 s.setJavaScriptCanOpenWindowsAutomatically(
215 b.javaScriptCanOpenWindowsAutomatically);
216 s.setDefaultTextEncodingName(b.defaultTextEncodingName);
217 s.setMinimumFontSize(b.minimumFontSize);
218 s.setMinimumLogicalFontSize(b.minimumLogicalFontSize);
219 s.setDefaultFontSize(b.defaultFontSize);
220 s.setDefaultFixedFontSize(b.defaultFixedFontSize);
221 s.setNavDump(b.navDump);
222 s.setTextSize(b.textSize);
223 s.setDefaultZoom(b.zoomDensity);
224 s.setLightTouchEnabled(b.lightTouch);
225 s.setSaveFormData(b.saveFormData);
226 s.setSavePassword(b.rememberPasswords);
227 s.setLoadWithOverviewMode(b.loadsPageInOverviewMode);
228 s.setPageCacheCapacity(pageCacheCapacity);
230 // WebView inside Browser doesn't want initial focus to be set.
231 s.setNeedInitialFocus(false);
232 // Browser supports multiple windows
233 s.setSupportMultipleWindows(true);
236 s.setAppCacheEnabled(b.appCacheEnabled);
237 s.setDatabaseEnabled(b.databaseEnabled);
238 s.setDomStorageEnabled(b.domStorageEnabled);
239 s.setWorkersEnabled(b.workersEnabled); // This only affects V8.
240 s.setGeolocationEnabled(b.geolocationEnabled);
242 // HTML5 configuration parameters.
243 s.setAppCacheMaxSize(b.appCacheMaxSize);
244 s.setAppCachePath(b.appCachePath);
245 s.setDatabasePath(b.databasePath);
246 s.setGeolocationDatabasePath(b.geolocationDatabasePath);
248 b.updateTabControlSettings();
253 * Load settings from the browser app's database.
254 * NOTE: Strings used for the preferences must match those specified
255 * in the browser_preferences.xml
256 * @param ctx A Context object used to query the browser's settings
257 * database. If the database exists, the saved settings will be
258 * stored in this BrowserSettings object. This will update all
259 * observers of this object.
261 public void loadFromDb(final Context ctx) {
262 SharedPreferences p =
263 PreferenceManager.getDefaultSharedPreferences(ctx);
264 // Set the default value for the Application Caches path.
265 appCachePath = ctx.getDir("appcache", 0).getPath();
266 // Determine the maximum size of the application cache.
267 webStorageSizeManager = new WebStorageSizeManager(
269 new WebStorageSizeManager.StatFsDiskInfo(appCachePath),
270 new WebStorageSizeManager.WebKitAppCacheInfo(appCachePath));
271 appCacheMaxSize = webStorageSizeManager.getAppCacheMaxSize();
272 // Set the default value for the Database path.
273 databasePath = ctx.getDir("databases", 0).getPath();
274 // Set the default value for the Geolocation database path.
275 geolocationDatabasePath = ctx.getDir("geolocation", 0).getPath();
277 if (p.getString(PREF_HOMEPAGE, "") == "") {
278 // No home page preferences is set, set it to default.
279 setHomePage(ctx, getFactoryResetHomeUrl(ctx));
282 // the cost of one cached page is ~3M (measured using nytimes.com). For
283 // low end devices, we only cache one page. For high end devices, we try
284 // to cache more pages, currently choose 5.
285 ActivityManager am = (ActivityManager) ctx
286 .getSystemService(Context.ACTIVITY_SERVICE);
287 if (am.getMemoryClass() > 16) {
288 pageCacheCapacity = 5;
290 pageCacheCapacity = 1;
293 final ContentResolver cr = ctx.getContentResolver();
294 cr.registerContentObserver(
295 Settings.System.getUriFor(Settings.System.SHOW_WEB_SUGGESTIONS), false,
296 new ContentObserver(new Handler()) {
298 public void onChange(boolean selfChange) {
299 SharedPreferences p =
300 PreferenceManager.getDefaultSharedPreferences(ctx);
301 updateShowWebSuggestions(cr, p);
304 updateShowWebSuggestions(cr, p);
306 // Load the defaults from the xml
307 // This call is TOO SLOW, need to manually keep the defaults
309 //PreferenceManager.setDefaultValues(ctx, R.xml.browser_preferences);
310 syncSharedPreferences(ctx, p);
313 /* package */ void syncSharedPreferences(Context ctx, SharedPreferences p) {
316 p.getString(PREF_HOMEPAGE, homeUrl);
317 String searchEngineName = p.getString(PREF_SEARCH_ENGINE, null);
318 if (searchEngine == null || !searchEngine.getName().equals(searchEngineName)) {
319 if (searchEngine != null) {
320 if (searchEngine.supportsVoiceSearch()) {
321 // One or more tabs could have been in voice search mode.
322 // Clear it, since the new SearchEngine may not support
323 // it, or may handle it differently.
324 for (int i = 0; i < mTabControl.getTabCount(); i++) {
325 mTabControl.getTab(i).revertVoiceSearchMode();
328 searchEngine.close();
330 searchEngine = SearchEngines.get(ctx, searchEngineName);
332 Log.i(TAG, "Selected search engine: " + searchEngine);
333 showSearchSuggestions = p.getBoolean(PREF_SHOW_SEARCH_SUGGESTIONS, true);
334 // Persist to system settings
335 saveShowWebSuggestions(ctx.getContentResolver());
337 loadsImagesAutomatically = p.getBoolean("load_images",
338 loadsImagesAutomatically);
339 javaScriptEnabled = p.getBoolean("enable_javascript",
341 pluginState = WebSettings.PluginState.valueOf(
342 p.getString("plugin_state", pluginState.name()));
343 javaScriptCanOpenWindowsAutomatically = !p.getBoolean(
344 "block_popup_windows",
345 !javaScriptCanOpenWindowsAutomatically);
346 showSecurityWarnings = p.getBoolean("show_security_warnings",
347 showSecurityWarnings);
348 rememberPasswords = p.getBoolean("remember_passwords",
350 saveFormData = p.getBoolean("save_formdata",
352 boolean accept_cookies = p.getBoolean("accept_cookies",
353 CookieManager.getInstance().acceptCookie());
354 CookieManager.getInstance().setAcceptCookie(accept_cookies);
355 openInBackground = p.getBoolean("open_in_background", openInBackground);
356 textSize = WebSettings.TextSize.valueOf(
357 p.getString(PREF_TEXT_SIZE, textSize.name()));
358 zoomDensity = WebSettings.ZoomDensity.valueOf(
359 p.getString(PREF_DEFAULT_ZOOM, zoomDensity.name()));
360 autoFitPage = p.getBoolean("autofit_pages", autoFitPage);
361 loadsPageInOverviewMode = p.getBoolean("load_page",
362 loadsPageInOverviewMode);
363 boolean landscapeOnlyTemp =
364 p.getBoolean("landscape_only", landscapeOnly);
365 if (landscapeOnlyTemp != landscapeOnly) {
366 landscapeOnly = landscapeOnlyTemp;
368 useWideViewPort = true; // use wide view port for either setting
370 layoutAlgorithm = WebSettings.LayoutAlgorithm.NARROW_COLUMNS;
372 layoutAlgorithm = WebSettings.LayoutAlgorithm.NORMAL;
374 defaultTextEncodingName =
375 p.getString(PREF_DEFAULT_TEXT_ENCODING,
376 defaultTextEncodingName);
379 p.getBoolean(PREF_DEBUG_SETTINGS, showDebugSettings);
380 // Debug menu items have precidence if the menu is visible
381 if (showDebugSettings) {
382 boolean small_screen = p.getBoolean("small_screen",
384 WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
386 layoutAlgorithm = WebSettings.LayoutAlgorithm.SINGLE_COLUMN;
388 boolean normal_layout = p.getBoolean("normal_layout",
389 layoutAlgorithm == WebSettings.LayoutAlgorithm.NORMAL);
391 layoutAlgorithm = WebSettings.LayoutAlgorithm.NORMAL;
394 WebSettings.LayoutAlgorithm.NARROW_COLUMNS;
397 useWideViewPort = p.getBoolean("wide_viewport", useWideViewPort);
398 tracing = p.getBoolean("enable_tracing", tracing);
399 lightTouch = p.getBoolean("enable_light_touch", lightTouch);
400 navDump = p.getBoolean("enable_nav_dump", navDump);
401 userAgent = Integer.parseInt(p.getString("user_agent", "0"));
403 // JS flags is loaded from DB even if showDebugSettings is false,
404 // so that it can be set once and be effective all the time.
405 jsFlags = p.getString("js_engine_flags", "");
407 // Read the setting for showing/hiding the JS Console always so that should the
408 // user enable debug settings, we already know if we should show the console.
409 // The user will never see the console unless they navigate to about:debug,
410 // regardless of the setting we read here. This setting is only used after debug
412 showConsole = p.getBoolean("javascript_console", showConsole);
415 appCacheEnabled = p.getBoolean("enable_appcache", appCacheEnabled);
416 databaseEnabled = p.getBoolean("enable_database", databaseEnabled);
417 domStorageEnabled = p.getBoolean("enable_domstorage", domStorageEnabled);
418 geolocationEnabled = p.getBoolean("enable_geolocation", geolocationEnabled);
419 workersEnabled = p.getBoolean("enable_workers", workersEnabled);
424 private void saveShowWebSuggestions(ContentResolver cr) {
425 int value = showSearchSuggestions ? 1 : 0;
426 Settings.System.putInt(cr, Settings.System.SHOW_WEB_SUGGESTIONS, value);
429 private void updateShowWebSuggestions(ContentResolver cr, SharedPreferences p) {
430 showSearchSuggestions =
431 Settings.System.getInt(cr,
432 Settings.System.SHOW_WEB_SUGGESTIONS, 1) == 1;
433 p.edit().putBoolean(PREF_SHOW_SEARCH_SUGGESTIONS, showSearchSuggestions).commit();
436 public String getHomePage() {
440 public SearchEngine getSearchEngine() {
444 public boolean getShowSearchSuggestions() {
445 return showSearchSuggestions;
448 public String getJsFlags() {
452 public WebStorageSizeManager getWebStorageSizeManager() {
453 return webStorageSizeManager;
456 public void setHomePage(Context context, String url) {
457 Editor ed = PreferenceManager.
458 getDefaultSharedPreferences(context).edit();
459 ed.putString(PREF_HOMEPAGE, url);
464 public WebSettings.TextSize getTextSize() {
468 public WebSettings.ZoomDensity getDefaultZoom() {
472 public boolean openInBackground() {
473 return openInBackground;
476 public boolean showSecurityWarnings() {
477 return showSecurityWarnings;
480 public boolean isTracing() {
484 public boolean isLightTouch() {
488 public boolean isNavDump() {
492 public boolean showDebugSettings() {
493 return showDebugSettings;
496 public void toggleDebugSettings() {
497 showDebugSettings = !showDebugSettings;
498 navDump = showDebugSettings;
503 * Add a WebSettings object to the list of observers that will be updated
504 * when update() is called.
506 * @param s A WebSettings object that is strictly tied to the life of a
509 public Observer addObserver(WebSettings s) {
510 Observer old = mWebSettingsToObservers.get(s);
512 super.deleteObserver(old);
514 Observer o = new Observer(s);
515 mWebSettingsToObservers.put(s, o);
516 super.addObserver(o);
521 * Delete the given WebSettings observer from the list of observers.
522 * @param s The WebSettings object to be deleted.
524 public void deleteObserver(WebSettings s) {
525 Observer o = mWebSettingsToObservers.get(s);
527 mWebSettingsToObservers.remove(s);
528 super.deleteObserver(o);
533 * Package level method for obtaining a single app instance of the
536 /*package*/ static BrowserSettings getInstance() {
537 if (sSingleton == null ) {
538 sSingleton = new BrowserSettings();
544 * Package level method for associating the BrowserSettings with TabControl
546 /* package */void setTabControl(TabControl tabControl) {
547 mTabControl = tabControl;
548 updateTabControlSettings();
552 * Update all the observers of the object.
554 /*package*/ void update() {
559 /*package*/ void clearCache(Context context) {
560 WebIconDatabase.getInstance().removeAllIcons();
561 if (mTabControl != null) {
562 WebView current = mTabControl.getCurrentWebView();
563 if (current != null) {
564 current.clearCache(true);
569 /*package*/ void clearCookies(Context context) {
570 CookieManager.getInstance().removeAllCookie();
573 /* package */void clearHistory(Context context) {
574 ContentResolver resolver = context.getContentResolver();
575 Browser.clearHistory(resolver);
576 Browser.clearSearches(resolver);
579 /* package */ void clearFormData(Context context) {
580 WebViewDatabase.getInstance(context).clearFormData();
581 if (mTabControl != null) {
582 WebView currentTopView = mTabControl.getCurrentTopWebView();
583 if (currentTopView != null) {
584 currentTopView.clearFormData();
589 /*package*/ void clearPasswords(Context context) {
590 WebViewDatabase db = WebViewDatabase.getInstance(context);
591 db.clearUsernamePassword();
592 db.clearHttpAuthUsernamePassword();
595 private void updateTabControlSettings() {
596 // Enable/disable the error console.
597 mTabControl.getBrowserActivity().setShouldShowErrorConsole(
598 showDebugSettings && showConsole);
599 mTabControl.getBrowserActivity().setRequestedOrientation(
600 landscapeOnly ? ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
601 : ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
604 private void maybeDisableWebsiteSettings(Context context) {
605 PreferenceActivity activity = (PreferenceActivity) context;
606 final PreferenceScreen screen = (PreferenceScreen)
607 activity.findPreference(BrowserSettings.PREF_WEBSITE_SETTINGS);
608 screen.setEnabled(false);
609 WebStorage.getInstance().getOrigins(new ValueCallback<Map>() {
610 public void onReceiveValue(Map webStorageOrigins) {
611 if ((webStorageOrigins != null) && !webStorageOrigins.isEmpty()) {
612 screen.setEnabled(true);
617 GeolocationPermissions.getInstance().getOrigins(new ValueCallback<Set<String> >() {
618 public void onReceiveValue(Set<String> geolocationOrigins) {
619 if ((geolocationOrigins != null) && !geolocationOrigins.isEmpty()) {
620 screen.setEnabled(true);
626 /*package*/ void clearDatabases(Context context) {
627 WebStorage.getInstance().deleteAllData();
628 maybeDisableWebsiteSettings(context);
631 /*package*/ void clearLocationAccess(Context context) {
632 GeolocationPermissions.getInstance().clearAll();
633 maybeDisableWebsiteSettings(context);
636 /*package*/ void resetDefaultPreferences(Context ctx) {
638 SharedPreferences p =
639 PreferenceManager.getDefaultSharedPreferences(ctx);
640 p.edit().clear().apply();
641 PreferenceManager.setDefaultValues(ctx, R.xml.browser_preferences,
644 setHomePage(ctx, getFactoryResetHomeUrl(ctx));
645 // reset appcache max size
646 appCacheMaxSize = webStorageSizeManager.getAppCacheMaxSize();
649 private String getFactoryResetHomeUrl(Context context) {
650 String url = context.getResources().getString(R.string.homepage_base);
651 if (url.indexOf("{CID}") != -1) {
652 url = url.replace("{CID}",
653 BrowserProvider.getClientId(context.getContentResolver()));
658 // Private constructor that does nothing.
659 private BrowserSettings() {
663 private void reset() {
664 // Private variables for settings
665 // NOTE: these defaults need to be kept in sync with the XML
666 // until the performance of PreferenceManager.setDefaultValues()
668 loadsImagesAutomatically = true;
669 javaScriptEnabled = true;
670 pluginState = WebSettings.PluginState.ON;
671 javaScriptCanOpenWindowsAutomatically = false;
672 showSecurityWarnings = true;
673 rememberPasswords = true;
675 openInBackground = false;
677 landscapeOnly = false;
678 loadsPageInOverviewMode = true;
679 showDebugSettings = false;
681 appCacheEnabled = true;
682 databaseEnabled = true;
683 domStorageEnabled = true;
684 geolocationEnabled = true;
685 workersEnabled = true; // only affects V8. JSC does not have a similar setting