1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/b2g/app/b2g.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,938 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#filter substitution
1.9 +
1.10 +pref("toolkit.defaultChromeURI", "chrome://b2g/content/shell.html");
1.11 +pref("browser.chromeURL", "chrome://b2g/content/");
1.12 +
1.13 +// Bug 945235: Prevent all bars to be considered visible:
1.14 +pref("toolkit.defaultChromeFeatures", "chrome,dialog=no,close,resizable,scrollbars,extrachrome");
1.15 +
1.16 +// Device pixel to CSS px ratio, in percent. Set to -1 to calculate based on display density.
1.17 +pref("browser.viewport.scaleRatio", -1);
1.18 +
1.19 +/* disable text selection */
1.20 +pref("browser.ignoreNativeFrameTextSelection", true);
1.21 +
1.22 +/* cache prefs */
1.23 +#ifdef MOZ_WIDGET_GONK
1.24 +pref("browser.cache.disk.enable", true);
1.25 +pref("browser.cache.disk.capacity", 55000); // kilobytes
1.26 +pref("browser.cache.disk.parent_directory", "/cache");
1.27 +#endif
1.28 +pref("browser.cache.disk.smart_size.enabled", false);
1.29 +pref("browser.cache.disk.smart_size.first_run", false);
1.30 +
1.31 +pref("browser.cache.memory.enable", true);
1.32 +pref("browser.cache.memory.capacity", 1024); // kilobytes
1.33 +
1.34 +pref("browser.cache.memory_limit", 2048); // 2 MB
1.35 +
1.36 +/* image cache prefs */
1.37 +pref("image.cache.size", 1048576); // bytes
1.38 +pref("image.high_quality_downscaling.enabled", false);
1.39 +pref("canvas.image.cache.limit", 10485760); // 10 MB
1.40 +
1.41 +/* offline cache prefs */
1.42 +pref("browser.offline-apps.notify", false);
1.43 +pref("browser.cache.offline.enable", true);
1.44 +pref("offline-apps.allow_by_default", true);
1.45 +
1.46 +/* protocol warning prefs */
1.47 +pref("network.protocol-handler.warn-external.tel", false);
1.48 +pref("network.protocol-handler.warn-external.mailto", false);
1.49 +pref("network.protocol-handler.warn-external.vnd.youtube", false);
1.50 +
1.51 +/* protocol expose prefs */
1.52 +// By default, all protocol handlers are exposed. This means that the browser
1.53 +// will response to openURL commands for all URL types. It will also try to open
1.54 +// link clicks inside the browser before failing over to the system handlers.
1.55 +pref("network.protocol-handler.expose.rtsp", true);
1.56 +
1.57 +/* http prefs */
1.58 +pref("network.http.pipelining", true);
1.59 +pref("network.http.pipelining.ssl", true);
1.60 +pref("network.http.proxy.pipelining", true);
1.61 +pref("network.http.pipelining.maxrequests" , 6);
1.62 +pref("network.http.keep-alive.timeout", 600);
1.63 +pref("network.http.max-connections", 20);
1.64 +pref("network.http.max-persistent-connections-per-server", 6);
1.65 +pref("network.http.max-persistent-connections-per-proxy", 20);
1.66 +
1.67 +// spdy
1.68 +pref("network.http.spdy.push-allowance", 32768);
1.69 +
1.70 +// See bug 545869 for details on why these are set the way they are
1.71 +pref("network.buffer.cache.count", 24);
1.72 +pref("network.buffer.cache.size", 16384);
1.73 +
1.74 +// predictive actions
1.75 +pref("network.seer.enable", false); // disabled on b2g
1.76 +pref("network.seer.max-db-size", 2097152); // bytes
1.77 +pref("network.seer.preserve", 50); // percentage of seer data to keep when cleaning up
1.78 +
1.79 +/* session history */
1.80 +pref("browser.sessionhistory.max_total_viewers", 1);
1.81 +pref("browser.sessionhistory.max_entries", 50);
1.82 +
1.83 +/* session store */
1.84 +pref("browser.sessionstore.resume_session_once", false);
1.85 +pref("browser.sessionstore.resume_from_crash", true);
1.86 +pref("browser.sessionstore.resume_from_crash_timeout", 60); // minutes
1.87 +pref("browser.sessionstore.interval", 10000); // milliseconds
1.88 +pref("browser.sessionstore.max_tabs_undo", 1);
1.89 +
1.90 +/* these should help performance */
1.91 +pref("mozilla.widget.force-24bpp", true);
1.92 +pref("mozilla.widget.use-buffer-pixmap", true);
1.93 +pref("mozilla.widget.disable-native-theme", true);
1.94 +pref("layout.reflow.synthMouseMove", false);
1.95 +pref("layers.enable-tiles", true);
1.96 +/*
1.97 + Cross Process Mutex is not supported on Mac OS X so progressive
1.98 + paint can not be enabled for B2G on Mac OS X desktop
1.99 +*/
1.100 +#ifdef MOZ_WIDGET_COCOA
1.101 +pref("layers.progressive-paint", false);
1.102 +#else
1.103 +pref("layers.progressive-paint", false);
1.104 +#endif
1.105 +
1.106 +/* download manager (don't show the window or alert) */
1.107 +pref("browser.download.useDownloadDir", true);
1.108 +pref("browser.download.folderList", 1); // Default to ~/Downloads
1.109 +pref("browser.download.manager.showAlertOnComplete", false);
1.110 +pref("browser.download.manager.showAlertInterval", 2000);
1.111 +pref("browser.download.manager.retention", 2);
1.112 +pref("browser.download.manager.showWhenStarting", false);
1.113 +pref("browser.download.manager.closeWhenDone", true);
1.114 +pref("browser.download.manager.openDelay", 0);
1.115 +pref("browser.download.manager.focusWhenStarting", false);
1.116 +pref("browser.download.manager.flashCount", 2);
1.117 +pref("browser.download.manager.displayedHistoryDays", 7);
1.118 +
1.119 +/* download helper */
1.120 +pref("browser.helperApps.deleteTempFileOnExit", false);
1.121 +
1.122 +/* password manager */
1.123 +pref("signon.rememberSignons", true);
1.124 +pref("signon.expireMasterPassword", false);
1.125 +
1.126 +/* autocomplete */
1.127 +pref("browser.formfill.enable", true);
1.128 +
1.129 +/* spellcheck */
1.130 +pref("layout.spellcheckDefault", 0);
1.131 +
1.132 +/* block popups by default, and notify the user about blocked popups */
1.133 +pref("dom.disable_open_during_load", true);
1.134 +pref("privacy.popups.showBrowserMessage", true);
1.135 +
1.136 +pref("keyword.enabled", true);
1.137 +
1.138 +pref("accessibility.typeaheadfind", false);
1.139 +pref("accessibility.typeaheadfind.timeout", 5000);
1.140 +pref("accessibility.typeaheadfind.flashBar", 1);
1.141 +pref("accessibility.typeaheadfind.linksonly", false);
1.142 +pref("accessibility.typeaheadfind.casesensitive", 0);
1.143 +
1.144 +// SSL error page behaviour
1.145 +pref("browser.ssl_override_behavior", 2);
1.146 +pref("browser.xul.error_pages.expert_bad_cert", false);
1.147 +
1.148 +// disable logging for the search service by default
1.149 +pref("browser.search.log", false);
1.150 +
1.151 +// disable updating
1.152 +pref("browser.search.update", false);
1.153 +pref("browser.search.update.log", false);
1.154 +pref("browser.search.updateinterval", 6);
1.155 +
1.156 +// enable search suggestions by default
1.157 +pref("browser.search.suggest.enabled", true);
1.158 +
1.159 +// tell the search service that we don't really expose the "current engine"
1.160 +pref("browser.search.noCurrentEngine", true);
1.161 +
1.162 +// Enable sparse localization by setting a few package locale overrides
1.163 +pref("chrome.override_package.global", "b2g-l10n");
1.164 +pref("chrome.override_package.mozapps", "b2g-l10n");
1.165 +pref("chrome.override_package.passwordmgr", "b2g-l10n");
1.166 +
1.167 +// enable xul error pages
1.168 +pref("browser.xul.error_pages.enabled", true);
1.169 +
1.170 +// disable color management
1.171 +pref("gfx.color_management.mode", 0);
1.172 +
1.173 +// don't allow JS to move and resize existing windows
1.174 +pref("dom.disable_window_move_resize", true);
1.175 +
1.176 +// prevent click image resizing for nsImageDocument
1.177 +pref("browser.enable_click_image_resizing", false);
1.178 +
1.179 +// controls which bits of private data to clear. by default we clear them all.
1.180 +pref("privacy.item.cache", true);
1.181 +pref("privacy.item.cookies", true);
1.182 +pref("privacy.item.offlineApps", true);
1.183 +pref("privacy.item.history", true);
1.184 +pref("privacy.item.formdata", true);
1.185 +pref("privacy.item.downloads", true);
1.186 +pref("privacy.item.passwords", true);
1.187 +pref("privacy.item.sessions", true);
1.188 +pref("privacy.item.geolocation", true);
1.189 +pref("privacy.item.siteSettings", true);
1.190 +pref("privacy.item.syncAccount", true);
1.191 +
1.192 +// base url for the wifi geolocation network provider
1.193 +pref("geo.provider.use_mls", false);
1.194 +pref("geo.cell.scan", true);
1.195 +pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
1.196 +
1.197 +// enable geo
1.198 +pref("geo.enabled", true);
1.199 +
1.200 +// content sink control -- controls responsiveness during page load
1.201 +// see https://bugzilla.mozilla.org/show_bug.cgi?id=481566#c9
1.202 +pref("content.sink.enable_perf_mode", 2); // 0 - switch, 1 - interactive, 2 - perf
1.203 +pref("content.sink.pending_event_mode", 0);
1.204 +pref("content.sink.perf_deflect_count", 1000000);
1.205 +pref("content.sink.perf_parse_time", 50000000);
1.206 +
1.207 +// Maximum scripts runtime before showing an alert
1.208 +// Disable the watchdog thread for B2G. See bug 870043 comment 31.
1.209 +pref("dom.use_watchdog", false);
1.210 +
1.211 +// The slow script dialog can be triggered from inside the JS engine as well,
1.212 +// ensure that those calls don't accidentally trigger the dialog.
1.213 +pref("dom.max_script_run_time", 0);
1.214 +pref("dom.max_chrome_script_run_time", 0);
1.215 +
1.216 +// plugins
1.217 +pref("plugin.disable", true);
1.218 +pref("dom.ipc.plugins.enabled", true);
1.219 +
1.220 +// product URLs
1.221 +// The breakpad report server to link to in about:crashes
1.222 +pref("breakpad.reportURL", "https://crash-stats.mozilla.com/report/index/");
1.223 +pref("app.releaseNotesURL", "http://www.mozilla.com/%LOCALE%/b2g/%VERSION%/releasenotes/");
1.224 +pref("app.support.baseURL", "http://support.mozilla.com/b2g");
1.225 +pref("app.privacyURL", "http://www.mozilla.com/%LOCALE%/m/privacy.html");
1.226 +pref("app.creditsURL", "http://www.mozilla.org/credits/");
1.227 +pref("app.featuresURL", "http://www.mozilla.com/%LOCALE%/b2g/features/");
1.228 +pref("app.faqURL", "http://www.mozilla.com/%LOCALE%/b2g/faq/");
1.229 +
1.230 +// Name of alternate about: page for certificate errors (when undefined, defaults to about:neterror)
1.231 +pref("security.alternate_certificate_error_page", "certerror");
1.232 +
1.233 +pref("security.warn_viewing_mixed", false); // Warning is disabled. See Bug 616712.
1.234 +
1.235 +// Override some named colors to avoid inverse OS themes
1.236 +pref("ui.-moz-dialog", "#efebe7");
1.237 +pref("ui.-moz-dialogtext", "#101010");
1.238 +pref("ui.-moz-field", "#fff");
1.239 +pref("ui.-moz-fieldtext", "#1a1a1a");
1.240 +pref("ui.-moz-buttonhoverface", "#f3f0ed");
1.241 +pref("ui.-moz-buttonhovertext", "#101010");
1.242 +pref("ui.-moz-combobox", "#fff");
1.243 +pref("ui.-moz-comboboxtext", "#101010");
1.244 +pref("ui.buttonface", "#ece7e2");
1.245 +pref("ui.buttonhighlight", "#fff");
1.246 +pref("ui.buttonshadow", "#aea194");
1.247 +pref("ui.buttontext", "#101010");
1.248 +pref("ui.captiontext", "#101010");
1.249 +pref("ui.graytext", "#b1a598");
1.250 +pref("ui.highlighttext", "#1a1a1a");
1.251 +pref("ui.threeddarkshadow", "#000");
1.252 +pref("ui.threedface", "#ece7e2");
1.253 +pref("ui.threedhighlight", "#fff");
1.254 +pref("ui.threedlightshadow", "#ece7e2");
1.255 +pref("ui.threedshadow", "#aea194");
1.256 +pref("ui.windowframe", "#efebe7");
1.257 +
1.258 +// Themable via mozSettings
1.259 +pref("ui.menu", "#f97c17");
1.260 +pref("ui.menutext", "#ffffff");
1.261 +pref("ui.infobackground", "#343e40");
1.262 +pref("ui.infotext", "#686868");
1.263 +pref("ui.window", "#ffffff");
1.264 +pref("ui.windowtext", "#000000");
1.265 +pref("ui.highlight", "#b2f2ff");
1.266 +
1.267 +// replace newlines with spaces on paste into single-line text boxes
1.268 +pref("editor.singleLine.pasteNewlines", 2);
1.269 +
1.270 +// threshold where a tap becomes a drag, in 1/240" reference pixels
1.271 +// The names of the preferences are to be in sync with EventStateManager.cpp
1.272 +pref("ui.dragThresholdX", 25);
1.273 +pref("ui.dragThresholdY", 25);
1.274 +
1.275 +// Layers Acceleration. We can only have nice things on gonk, because
1.276 +// they're not maintained anywhere else.
1.277 +pref("layers.offmainthreadcomposition.enabled", true);
1.278 +#ifndef MOZ_WIDGET_GONK
1.279 +pref("dom.ipc.tabs.disabled", true);
1.280 +pref("layers.offmainthreadcomposition.async-animations", false);
1.281 +pref("layers.async-video.enabled", false);
1.282 +#else
1.283 +pref("dom.ipc.tabs.disabled", false);
1.284 +pref("layers.acceleration.disabled", false);
1.285 +pref("layers.offmainthreadcomposition.async-animations", true);
1.286 +pref("layers.async-video.enabled", true);
1.287 +pref("layers.async-pan-zoom.enabled", true);
1.288 +pref("gfx.content.azure.backends", "cairo");
1.289 +#endif
1.290 +
1.291 +// Web Notifications
1.292 +pref("notification.feature.enabled", true);
1.293 +
1.294 +// IndexedDB
1.295 +pref("dom.indexedDB.warningQuota", 5);
1.296 +
1.297 +// prevent video elements from preloading too much data
1.298 +pref("media.preload.default", 1); // default to preload none
1.299 +pref("media.preload.auto", 2); // preload metadata if preload=auto
1.300 +pref("media.cache_size", 4096); // 4MB media cache
1.301 +
1.302 +// The default number of decoded video frames that are enqueued in
1.303 +// MediaDecoderReader's mVideoQueue.
1.304 +pref("media.video-queue.default-size", 3);
1.305 +
1.306 +// optimize images' memory usage
1.307 +pref("image.mem.decodeondraw", true);
1.308 +pref("image.mem.allow_locking_in_content_processes", false); /* don't allow image locking */
1.309 +pref("image.mem.min_discard_timeout_ms", 86400000); /* 24h, we rely on the out of memory hook */
1.310 +pref("image.mem.max_decoded_image_kb", 30000); /* 30MB seems reasonable */
1.311 +// 65MB seems reasonable and layout/reftests/bugs/370629-1.html requires more than 62MB
1.312 +pref("image.mem.hard_limit_decoded_image_kb", 66560);
1.313 +pref("image.onload.decode.limit", 24); /* don't decode more than 24 images eagerly */
1.314 +
1.315 +// XXX this isn't a good check for "are touch events supported", but
1.316 +// we don't really have a better one at the moment.
1.317 +// enable touch events interfaces
1.318 +pref("dom.w3c_touch_events.enabled", 1);
1.319 +pref("dom.w3c_touch_events.safetyX", 0); // escape borders in units of 1/240"
1.320 +pref("dom.w3c_touch_events.safetyY", 120); // escape borders in units of 1/240"
1.321 +
1.322 +#ifdef MOZ_SAFE_BROWSING
1.323 +// Safe browsing does nothing unless this pref is set
1.324 +pref("browser.safebrowsing.enabled", true);
1.325 +
1.326 +// Prevent loading of pages identified as malware
1.327 +pref("browser.safebrowsing.malware.enabled", true);
1.328 +
1.329 +// Non-enhanced mode (local url lists) URL list to check for updates
1.330 +pref("browser.safebrowsing.provider.0.updateURL", "https://safebrowsing.google.com/safebrowsing/downloads?client={moz:client}&appver={moz:version}&pver=2.2&key=%GOOGLE_API_KEY%");
1.331 +
1.332 +pref("browser.safebrowsing.dataProvider", 0);
1.333 +
1.334 +// Does the provider name need to be localizable?
1.335 +pref("browser.safebrowsing.provider.0.name", "Google");
1.336 +pref("browser.safebrowsing.provider.0.reportURL", "https://safebrowsing.google.com/safebrowsing/report?");
1.337 +pref("browser.safebrowsing.provider.0.gethashURL", "https://safebrowsing.google.com/safebrowsing/gethash?client={moz:client}&appver={moz:version}&pver=2.2");
1.338 +
1.339 +// HTML report pages
1.340 +pref("browser.safebrowsing.provider.0.reportGenericURL", "http://{moz:locale}.phish-generic.mozilla.com/?hl={moz:locale}");
1.341 +pref("browser.safebrowsing.provider.0.reportErrorURL", "http://{moz:locale}.phish-error.mozilla.com/?hl={moz:locale}");
1.342 +pref("browser.safebrowsing.provider.0.reportPhishURL", "http://{moz:locale}.phish-report.mozilla.com/?hl={moz:locale}");
1.343 +pref("browser.safebrowsing.provider.0.reportMalwareURL", "http://{moz:locale}.malware-report.mozilla.com/?hl={moz:locale}");
1.344 +pref("browser.safebrowsing.provider.0.reportMalwareErrorURL", "http://{moz:locale}.malware-error.mozilla.com/?hl={moz:locale}");
1.345 +
1.346 +// FAQ URLs
1.347 +
1.348 +// Name of the about: page contributed by safebrowsing to handle display of error
1.349 +// pages on phishing/malware hits. (bug 399233)
1.350 +pref("urlclassifier.alternate_error_page", "blocked");
1.351 +
1.352 +// The number of random entries to send with a gethash request.
1.353 +pref("urlclassifier.gethashnoise", 4);
1.354 +
1.355 +// If an urlclassifier table has not been updated in this number of seconds,
1.356 +// a gethash request will be forced to check that the result is still in
1.357 +// the database.
1.358 +pref("urlclassifier.max-complete-age", 2700);
1.359 +
1.360 +// URL for checking the reason for a malware warning.
1.361 +pref("browser.safebrowsing.malware.reportURL", "https://safebrowsing.google.com/safebrowsing/diagnostic?client=%NAME%&hl=%LOCALE%&site=");
1.362 +#endif
1.363 +
1.364 +// True if this is the first time we are showing about:firstrun
1.365 +pref("browser.firstrun.show.uidiscovery", true);
1.366 +pref("browser.firstrun.show.localepicker", true);
1.367 +
1.368 +// initiated by a user
1.369 +pref("content.ime.strict_policy", true);
1.370 +
1.371 +// True if you always want dump() to work
1.372 +//
1.373 +// On Android, you also need to do the following for the output
1.374 +// to show up in logcat:
1.375 +//
1.376 +// $ adb shell stop
1.377 +// $ adb shell setprop log.redirect-stdio true
1.378 +// $ adb shell start
1.379 +pref("browser.dom.window.dump.enabled", false);
1.380 +
1.381 +// Default Content Security Policy to apply to privileged and certified apps
1.382 +pref("security.apps.privileged.CSP.default", "default-src *; script-src 'self'; object-src 'none'; style-src 'self' 'unsafe-inline'");
1.383 +// If you change this CSP, make sure to update the fast path in nsCSPService.cpp
1.384 +pref("security.apps.certified.CSP.default", "default-src *; script-src 'self'; object-src 'none'; style-src 'self'");
1.385 +
1.386 +// Temporarily force-enable GL compositing. This is default-disabled
1.387 +// deep within the bowels of the widgetry system. Remove me when GL
1.388 +// compositing isn't default disabled in widget/android.
1.389 +pref("layers.acceleration.force-enabled", true);
1.390 +
1.391 +// handle links targeting new windows
1.392 +// 1=current window/tab, 2=new window, 3=new tab in most recent window
1.393 +pref("browser.link.open_newwindow", 3);
1.394 +
1.395 +// 0: no restrictions - divert everything
1.396 +// 1: don't divert window.open at all
1.397 +// 2: don't divert window.open with features
1.398 +pref("browser.link.open_newwindow.restriction", 0);
1.399 +
1.400 +// Enable browser frames (including OOP, except on Windows, where it doesn't
1.401 +// work), but make in-process browser frames the default.
1.402 +pref("dom.mozBrowserFramesEnabled", true);
1.403 +
1.404 +// Enable a (virtually) unlimited number of mozbrowser processes.
1.405 +// We'll run out of PIDs on UNIX-y systems before we hit this limit.
1.406 +pref("dom.ipc.processCount", 100000);
1.407 +
1.408 +pref("dom.ipc.browser_frames.oop_by_default", false);
1.409 +pref("dom.browser_frames.useAsyncPanZoom", true);
1.410 +
1.411 +// SMS/MMS
1.412 +pref("dom.sms.enabled", true);
1.413 +
1.414 +//The waiting time in network manager.
1.415 +pref("network.gonk.ms-release-mms-connection", 30000);
1.416 +
1.417 +// WebContacts
1.418 +pref("dom.mozContacts.enabled", true);
1.419 +pref("dom.navigator-property.disable.mozContacts", false);
1.420 +pref("dom.global-constructor.disable.mozContact", false);
1.421 +
1.422 +// Shortnumber matching needed for e.g. Brazil:
1.423 +// 03187654321 can be found with 87654321
1.424 +pref("dom.phonenumber.substringmatching.BR", 8);
1.425 +pref("dom.phonenumber.substringmatching.CO", 10);
1.426 +pref("dom.phonenumber.substringmatching.VE", 7);
1.427 +pref("dom.phonenumber.substringmatching.CL", 8);
1.428 +pref("dom.phonenumber.substringmatching.PE", 7);
1.429 +
1.430 +// WebAlarms
1.431 +pref("dom.mozAlarms.enabled", true);
1.432 +
1.433 +// SimplePush
1.434 +pref("services.push.enabled", true);
1.435 +// Debugging enabled.
1.436 +pref("services.push.debug", false);
1.437 +// Is the network connection allowed to be up?
1.438 +// This preference should be used in UX to enable/disable push.
1.439 +pref("services.push.connection.enabled", true);
1.440 +// serverURL to be assigned by services team
1.441 +pref("services.push.serverURL", "wss://push.services.mozilla.com/");
1.442 +pref("services.push.userAgentID", "");
1.443 +// Exponential back-off start is 5 seconds like in HTTP/1.1.
1.444 +// Maximum back-off is pingInterval.
1.445 +pref("services.push.retryBaseInterval", 5000);
1.446 +// Interval at which to ping PushServer to check connection status. In
1.447 +// milliseconds. If no reply is received within requestTimeout, the connection
1.448 +// is considered closed.
1.449 +pref("services.push.pingInterval", 1800000); // 30 minutes
1.450 +// How long before a DOMRequest errors as timeout
1.451 +pref("services.push.requestTimeout", 10000);
1.452 +// enable udp wakeup support
1.453 +pref("services.push.udp.wakeupEnabled", true);
1.454 +
1.455 +// NetworkStats
1.456 +#ifdef MOZ_WIDGET_GONK
1.457 +pref("dom.mozNetworkStats.enabled", true);
1.458 +pref("dom.webapps.firstRunWithSIM", true);
1.459 +#endif
1.460 +
1.461 +#ifdef MOZ_B2G_RIL
1.462 +// SingleVariant
1.463 +pref("dom.mozApps.single_variant_sourcedir", "/persist/svoperapps");
1.464 +#endif
1.465 +
1.466 +// WebSettings
1.467 +pref("dom.mozSettings.enabled", true);
1.468 +pref("dom.navigator-property.disable.mozSettings", false);
1.469 +pref("dom.mozPermissionSettings.enabled", true);
1.470 +
1.471 +// controls if we want camera support
1.472 +pref("device.camera.enabled", true);
1.473 +pref("media.realtime_decoder.enabled", true);
1.474 +
1.475 +// TCPSocket
1.476 +pref("dom.mozTCPSocket.enabled", true);
1.477 +
1.478 +// WebPayment
1.479 +pref("dom.mozPay.enabled", true);
1.480 +
1.481 +// "Preview" landing of bug 710563, which is bogged down in analysis
1.482 +// of talos regression. This is a needed change for higher-framerate
1.483 +// CSS animations, and incidentally works around an apparent bug in
1.484 +// our handling of requestAnimationFrame() listeners, which are
1.485 +// supposed to enable this REPEATING_PRECISE_CAN_SKIP behavior. The
1.486 +// secondary bug isn't really worth investigating since it's obseleted
1.487 +// by bug 710563.
1.488 +pref("layout.frame_rate.precise", true);
1.489 +
1.490 +// Handle hardware buttons in the b2g chrome package
1.491 +pref("b2g.keys.menu.enabled", true);
1.492 +
1.493 +// Screen timeout in seconds
1.494 +pref("power.screen.timeout", 60);
1.495 +
1.496 +pref("full-screen-api.enabled", true);
1.497 +
1.498 +#ifndef MOZ_WIDGET_GONK
1.499 +// If we're not actually on physical hardware, don't make the top level widget
1.500 +// fullscreen when transitioning to fullscreen. This means in emulated
1.501 +// environments (like the b2g desktop client) we won't make the client window
1.502 +// fill the whole screen, we'll just make the content fill the client window,
1.503 +// i.e. it won't give the impression to content that the number of device
1.504 +// screen pixels changes!
1.505 +pref("full-screen-api.ignore-widgets", true);
1.506 +#endif
1.507 +
1.508 +pref("media.volume.steps", 10);
1.509 +
1.510 +#ifdef ENABLE_MARIONETTE
1.511 +//Enable/disable marionette server, set listening port
1.512 +pref("marionette.defaultPrefs.enabled", true);
1.513 +pref("marionette.defaultPrefs.port", 2828);
1.514 +#ifndef MOZ_WIDGET_GONK
1.515 +// On desktop builds, we need to force the socket to listen on localhost only
1.516 +pref("marionette.force-local", true);
1.517 +#endif
1.518 +#endif
1.519 +
1.520 +#ifdef MOZ_UPDATER
1.521 +// When we're applying updates, we can't let anything hang us on
1.522 +// quit+restart. The user has no recourse.
1.523 +pref("shutdown.watchdog.timeoutSecs", 5);
1.524 +// Timeout before the update prompt automatically installs the update
1.525 +pref("b2g.update.apply-prompt-timeout", 60000); // milliseconds
1.526 +// Amount of time to wait after the user is idle before prompting to apply an update
1.527 +pref("b2g.update.apply-idle-timeout", 600000); // milliseconds
1.528 +// Amount of time after which connection will be restarted if no progress
1.529 +pref("b2g.update.download-watchdog-timeout", 120000); // milliseconds
1.530 +pref("b2g.update.download-watchdog-max-retries", 5);
1.531 +
1.532 +pref("app.update.enabled", true);
1.533 +pref("app.update.auto", false);
1.534 +pref("app.update.silent", false);
1.535 +pref("app.update.mode", 0);
1.536 +pref("app.update.incompatible.mode", 0);
1.537 +pref("app.update.staging.enabled", true);
1.538 +pref("app.update.service.enabled", true);
1.539 +
1.540 +// The URL hosting the update manifest.
1.541 +pref("app.update.url", "http://update.boot2gecko.org/%CHANNEL%/update.xml");
1.542 +pref("app.update.channel", "@MOZ_UPDATE_CHANNEL@");
1.543 +
1.544 +// Interval at which update manifest is fetched. In units of seconds.
1.545 +pref("app.update.interval", 86400); // 1 day
1.546 +// Don't throttle background updates.
1.547 +pref("app.update.download.backgroundInterval", 0);
1.548 +
1.549 +// Retry update socket connections every 30 seconds in the cases of certain kinds of errors
1.550 +pref("app.update.socket.retryTimeout", 30000);
1.551 +
1.552 +// Max of 20 consecutive retries (total 10 minutes) before giving up and marking
1.553 +// the update download as failed.
1.554 +// Note: Offline errors will always retry when the network comes online.
1.555 +pref("app.update.socket.maxErrors", 20);
1.556 +
1.557 +// Enable update logging for now, to diagnose growing pains in the
1.558 +// field.
1.559 +pref("app.update.log", true);
1.560 +#else
1.561 +// Explicitly disable the shutdown watchdog. It's enabled by default.
1.562 +// When the updater is disabled, we want to know about shutdown hangs.
1.563 +pref("shutdown.watchdog.timeoutSecs", -1);
1.564 +#endif
1.565 +
1.566 +// Check daily for apps updates.
1.567 +pref("webapps.update.interval", 86400);
1.568 +
1.569 +// Extensions preferences
1.570 +pref("extensions.update.enabled", false);
1.571 +pref("extensions.getAddons.cache.enabled", false);
1.572 +
1.573 +// Context Menu
1.574 +pref("ui.click_hold_context_menus", true);
1.575 +pref("ui.click_hold_context_menus.delay", 750);
1.576 +
1.577 +// Enable device storage
1.578 +pref("device.storage.enabled", true);
1.579 +
1.580 +// Enable pre-installed applications
1.581 +pref("dom.webapps.useCurrentProfile", true);
1.582 +
1.583 +// Enable system message
1.584 +pref("dom.sysmsg.enabled", true);
1.585 +pref("media.plugins.enabled", false);
1.586 +pref("media.omx.enabled", true);
1.587 +pref("media.rtsp.enabled", true);
1.588 +pref("media.rtsp.video.enabled", true);
1.589 +
1.590 +// Disable printing (particularly, window.print())
1.591 +pref("dom.disable_window_print", true);
1.592 +
1.593 +// Disable window.showModalDialog
1.594 +pref("dom.disable_window_showModalDialog", true);
1.595 +
1.596 +// Enable new experimental html forms
1.597 +pref("dom.experimental_forms", true);
1.598 +pref("dom.forms.number", true);
1.599 +
1.600 +// Don't enable <input type=color> yet as we don't have a color picker
1.601 +// implemented for b2g (bug 875751)
1.602 +pref("dom.forms.color", false);
1.603 +
1.604 +// Turns on gralloc-based direct texturing for Gonk
1.605 +pref("gfx.gralloc.enabled", false);
1.606 +
1.607 +// This preference instructs the JS engine to discard the
1.608 +// source of any privileged JS after compilation. This saves
1.609 +// memory, but makes things like Function.prototype.toSource()
1.610 +// fail.
1.611 +pref("javascript.options.discardSystemSource", true);
1.612 +
1.613 +// XXXX REMOVE FOR PRODUCTION. Turns on GC and CC logging
1.614 +pref("javascript.options.mem.log", false);
1.615 +
1.616 +// Increase mark slice time from 10ms to 30ms
1.617 +pref("javascript.options.mem.gc_incremental_slice_ms", 30);
1.618 +
1.619 +// Increase time to get more high frequency GC on benchmarks from 1000ms to 1500ms
1.620 +pref("javascript.options.mem.gc_high_frequency_time_limit_ms", 1500);
1.621 +
1.622 +pref("javascript.options.mem.gc_high_frequency_heap_growth_max", 300);
1.623 +pref("javascript.options.mem.gc_high_frequency_heap_growth_min", 120);
1.624 +pref("javascript.options.mem.gc_high_frequency_high_limit_mb", 40);
1.625 +pref("javascript.options.mem.gc_high_frequency_low_limit_mb", 0);
1.626 +pref("javascript.options.mem.gc_low_frequency_heap_growth", 120);
1.627 +pref("javascript.options.mem.high_water_mark", 6);
1.628 +pref("javascript.options.mem.gc_allocation_threshold_mb", 1);
1.629 +pref("javascript.options.mem.gc_decommit_threshold_mb", 1);
1.630 +
1.631 +// Show/Hide scrollbars when active/inactive
1.632 +pref("ui.showHideScrollbars", 1);
1.633 +pref("ui.useOverlayScrollbars", 1);
1.634 +
1.635 +// Enable the ProcessPriorityManager, and give processes with no visible
1.636 +// documents a 1s grace period before they're eligible to be marked as
1.637 +// background. Background processes that are perceivable due to playing
1.638 +// media are given a longer grace period to accomodate changing tracks, etc.
1.639 +pref("dom.ipc.processPriorityManager.enabled", true);
1.640 +pref("dom.ipc.processPriorityManager.backgroundGracePeriodMS", 1000);
1.641 +pref("dom.ipc.processPriorityManager.backgroundPerceivableGracePeriodMS", 5000);
1.642 +pref("dom.ipc.processPriorityManager.temporaryPriorityLockMS", 5000);
1.643 +
1.644 +// Number of different background levels for background processes. We use
1.645 +// these different levels to force the low-memory killer to kill processes in
1.646 +// a LRU order.
1.647 +pref("dom.ipc.processPriorityManager.backgroundLRUPoolLevels", 5);
1.648 +
1.649 +// Kernel parameters for process priorities. These affect how processes are
1.650 +// killed on low-memory and their relative CPU priorities.
1.651 +//
1.652 +// Note: The maximum nice value on Linux is 19, but the max value you should
1.653 +// use here is 18. NSPR adds 1 to some threads' nice values, to mark
1.654 +// low-priority threads. If the process priority manager were to renice a
1.655 +// process (and all its threads) to 19, all threads would have the same
1.656 +// niceness. Then when we reniced the process to (say) 10, all threads would
1.657 +// /still/ have the same niceness; we'd effectively have erased NSPR's thread
1.658 +// priorities.
1.659 +
1.660 +// The kernel can only accept 6 (OomScoreAdjust, KillUnderKB) pairs. But it is
1.661 +// okay, kernel will still kill processes with larger OomScoreAdjust first even
1.662 +// its OomScoreAdjust don't have a corresponding KillUnderKB.
1.663 +
1.664 +pref("hal.processPriorityManager.gonk.MASTER.OomScoreAdjust", 0);
1.665 +pref("hal.processPriorityManager.gonk.MASTER.KillUnderKB", 4096);
1.666 +pref("hal.processPriorityManager.gonk.MASTER.Nice", 0);
1.667 +
1.668 +pref("hal.processPriorityManager.gonk.PREALLOC.OomScoreAdjust", 67);
1.669 +pref("hal.processPriorityManager.gonk.PREALLOC.Nice", 18);
1.670 +
1.671 +pref("hal.processPriorityManager.gonk.FOREGROUND_HIGH.OomScoreAdjust", 67);
1.672 +pref("hal.processPriorityManager.gonk.FOREGROUND_HIGH.KillUnderKB", 5120);
1.673 +pref("hal.processPriorityManager.gonk.FOREGROUND_HIGH.Nice", 0);
1.674 +
1.675 +pref("hal.processPriorityManager.gonk.FOREGROUND.OomScoreAdjust", 134);
1.676 +pref("hal.processPriorityManager.gonk.FOREGROUND.KillUnderKB", 6144);
1.677 +pref("hal.processPriorityManager.gonk.FOREGROUND.Nice", 1);
1.678 +
1.679 +pref("hal.processPriorityManager.gonk.FOREGROUND_KEYBOARD.OomScoreAdjust", 200);
1.680 +pref("hal.processPriorityManager.gonk.FOREGROUND_KEYBOARD.Nice", 1);
1.681 +
1.682 +pref("hal.processPriorityManager.gonk.BACKGROUND_PERCEIVABLE.OomScoreAdjust", 400);
1.683 +pref("hal.processPriorityManager.gonk.BACKGROUND_PERCEIVABLE.KillUnderKB", 7168);
1.684 +pref("hal.processPriorityManager.gonk.BACKGROUND_PERCEIVABLE.Nice", 7);
1.685 +
1.686 +pref("hal.processPriorityManager.gonk.BACKGROUND_HOMESCREEN.OomScoreAdjust", 534);
1.687 +pref("hal.processPriorityManager.gonk.BACKGROUND_HOMESCREEN.KillUnderKB", 8192);
1.688 +pref("hal.processPriorityManager.gonk.BACKGROUND_HOMESCREEN.Nice", 18);
1.689 +
1.690 +pref("hal.processPriorityManager.gonk.BACKGROUND.OomScoreAdjust", 667);
1.691 +pref("hal.processPriorityManager.gonk.BACKGROUND.KillUnderKB", 20480);
1.692 +pref("hal.processPriorityManager.gonk.BACKGROUND.Nice", 18);
1.693 +
1.694 +// Processes get this niceness when they have low CPU priority.
1.695 +pref("hal.processPriorityManager.gonk.LowCPUNice", 18);
1.696 +
1.697 +// Fire a memory pressure event when the system has less than Xmb of memory
1.698 +// remaining. You should probably set this just above Y.KillUnderKB for
1.699 +// the highest priority class Y that you want to make an effort to keep alive.
1.700 +// (For example, we want BACKGROUND_PERCEIVABLE to stay alive.) If you set
1.701 +// this too high, then we'll send out a memory pressure event every Z seconds
1.702 +// (see below), even while we have processes that we would happily kill in
1.703 +// order to free up memory.
1.704 +pref("hal.processPriorityManager.gonk.notifyLowMemUnderKB", 14336);
1.705 +
1.706 +// We wait this long before polling the memory-pressure fd after seeing one
1.707 +// memory pressure event. (When we're not under memory pressure, we sit
1.708 +// blocked on a poll(), and this pref has no effect.)
1.709 +pref("gonk.systemMemoryPressureRecoveryPollMS", 5000);
1.710 +
1.711 +#ifndef DEBUG
1.712 +// Enable pre-launching content processes for improved startup time
1.713 +// (hiding latency).
1.714 +pref("dom.ipc.processPrelaunch.enabled", true);
1.715 +// Wait this long before pre-launching a new subprocess.
1.716 +pref("dom.ipc.processPrelaunch.delayMs", 5000);
1.717 +#endif
1.718 +
1.719 +pref("dom.ipc.reuse_parent_app", false);
1.720 +
1.721 +// When a process receives a system message, we hold a CPU wake lock on its
1.722 +// behalf for this many seconds, or until it handles the system message,
1.723 +// whichever comes first.
1.724 +pref("dom.ipc.systemMessageCPULockTimeoutSec", 30);
1.725 +
1.726 +// Ignore the "dialog=1" feature in window.open.
1.727 +pref("dom.disable_window_open_dialog_feature", true);
1.728 +
1.729 +// Screen reader support
1.730 +pref("accessibility.accessfu.activate", 2);
1.731 +pref("accessibility.accessfu.quicknav_modes", "Link,Heading,FormElement,Landmark,ListItem");
1.732 +// Setting for an utterance order (0 - description first, 1 - description last).
1.733 +pref("accessibility.accessfu.utterance", 1);
1.734 +// Whether to skip images with empty alt text
1.735 +pref("accessibility.accessfu.skip_empty_images", true);
1.736 +
1.737 +// Enable hit-target fluffing
1.738 +pref("ui.touch.radius.enabled", true);
1.739 +pref("ui.touch.radius.leftmm", 3);
1.740 +pref("ui.touch.radius.topmm", 5);
1.741 +pref("ui.touch.radius.rightmm", 3);
1.742 +pref("ui.touch.radius.bottommm", 2);
1.743 +
1.744 +pref("ui.mouse.radius.enabled", true);
1.745 +pref("ui.mouse.radius.leftmm", 3);
1.746 +pref("ui.mouse.radius.topmm", 5);
1.747 +pref("ui.mouse.radius.rightmm", 3);
1.748 +pref("ui.mouse.radius.bottommm", 2);
1.749 +
1.750 +// Disable native prompt
1.751 +pref("browser.prompt.allowNative", false);
1.752 +
1.753 +// Minimum delay in milliseconds between network activity notifications (0 means
1.754 +// no notifications). The delay is the same for both download and upload, though
1.755 +// they are handled separately. This pref is only read once at startup:
1.756 +// a restart is required to enable a new value.
1.757 +pref("network.activity.blipIntervalMilliseconds", 250);
1.758 +
1.759 +// By default we want the NetworkManager service to manage Gecko's offline
1.760 +// status for us according to the state of Wifi/cellular data connections.
1.761 +// In some environments, such as the emulator or hardware with other network
1.762 +// connectivity, this is not desireable, however, in which case this pref
1.763 +// can be flipped to false.
1.764 +pref("network.gonk.manage-offline-status", true);
1.765 +
1.766 +pref("jsloader.reuseGlobal", true);
1.767 +
1.768 +// Enable font inflation for browser tab content.
1.769 +pref("font.size.inflation.minTwips", 120);
1.770 +// And disable it for lingering master-process UI.
1.771 +pref("font.size.inflation.disabledInMasterProcess", true);
1.772 +
1.773 +// Enable freeing dirty pages when minimizing memory; this reduces memory
1.774 +// consumption when applications are sent to the background.
1.775 +pref("memory.free_dirty_pages", true);
1.776 +
1.777 +// Enable the Linux-specific, system-wide memory reporter.
1.778 +pref("memory.system_memory_reporter", true);
1.779 +
1.780 +// Don't dump memory reports on OOM, by default.
1.781 +pref("memory.dump_reports_on_oom", false);
1.782 +
1.783 +pref("layout.imagevisibility.enabled", true);
1.784 +pref("layout.imagevisibility.numscrollportwidths", 1);
1.785 +pref("layout.imagevisibility.numscrollportheights", 1);
1.786 +
1.787 +// Enable native identity (persona/browserid)
1.788 +pref("dom.identity.enabled", true);
1.789 +
1.790 +// Wait up to this much milliseconds when orientation changed
1.791 +pref("layers.orientation.sync.timeout", 1000);
1.792 +
1.793 +// Don't discard WebGL contexts for foreground apps on memory
1.794 +// pressure.
1.795 +pref("webgl.can-lose-context-in-foreground", false);
1.796 +
1.797 +// Allow nsMemoryInfoDumper to create a fifo in the temp directory. We use
1.798 +// this fifo to trigger about:memory dumps, among other things.
1.799 +pref("memory_info_dumper.watch_fifo.enabled", true);
1.800 +pref("memory_info_dumper.watch_fifo.directory", "/data/local");
1.801 +
1.802 +// See ua-update.json.in for the packaged UA override list
1.803 +pref("general.useragent.updates.enabled", true);
1.804 +pref("general.useragent.updates.url", "https://dynamicua.cdn.mozilla.net/0/%APP_ID%");
1.805 +pref("general.useragent.updates.interval", 604800); // 1 week
1.806 +pref("general.useragent.updates.retry", 86400); // 1 day
1.807 +
1.808 +// Make <audio> and <video> talk to the AudioChannelService.
1.809 +pref("media.useAudioChannelService", true);
1.810 +
1.811 +pref("b2g.version", @MOZ_B2G_VERSION@);
1.812 +
1.813 +// Disable console buffering to save memory.
1.814 +pref("consoleservice.buffered", false);
1.815 +
1.816 +#ifdef MOZ_WIDGET_GONK
1.817 +// Performance testing suggests 2k is a better page size for SQLite.
1.818 +pref("toolkit.storage.pageSize", 2048);
1.819 +#endif
1.820 +
1.821 +// Enable captive portal detection.
1.822 +pref("captivedetect.canonicalURL", "http://detectportal.firefox.com/success.txt");
1.823 +pref("captivedetect.canonicalContent", "success\n");
1.824 +
1.825 +// The url of the manifest we use for ADU pings.
1.826 +pref("ping.manifestURL", "https://marketplace.firefox.com/packaged.webapp");
1.827 +
1.828 +// Enable the disk space watcher
1.829 +pref("disk_space_watcher.enabled", true);
1.830 +
1.831 +// SNTP preferences.
1.832 +pref("network.sntp.maxRetryCount", 10);
1.833 +pref("network.sntp.refreshPeriod", 86400); // In seconds.
1.834 +pref("network.sntp.pools", // Servers separated by ';'.
1.835 + "0.pool.ntp.org;1.pool.ntp.org;2.pool.ntp.org;3.pool.ntp.org");
1.836 +pref("network.sntp.port", 123);
1.837 +pref("network.sntp.timeout", 30); // In seconds.
1.838 +
1.839 +// Enable dataStore
1.840 +pref("dom.datastore.enabled", true);
1.841 +
1.842 +// DOM Inter-App Communication API.
1.843 +pref("dom.inter-app-communication-api.enabled", true);
1.844 +
1.845 +// Allow ADB to run for this many hours before disabling
1.846 +// (only applies when marionette is disabled)
1.847 +// 0 disables the timer.
1.848 +pref("b2g.adb.timeout-hours", 12);
1.849 +
1.850 +// InputMethod so we can do soft keyboards
1.851 +pref("dom.mozInputMethod.enabled", true);
1.852 +
1.853 +// Absolute path to the devtool unix domain socket file used
1.854 +// to communicate with a usb cable via adb forward
1.855 +pref("devtools.debugger.unix-domain-socket", "/data/local/debugger-socket");
1.856 +
1.857 +// enable Skia/GL (OpenGL-accelerated 2D drawing) for large enough 2d canvases,
1.858 +// falling back to Skia/software for smaller canvases
1.859 +#ifdef MOZ_WIDGET_GONK
1.860 +pref("gfx.canvas.azure.backends", "skia");
1.861 +pref("gfx.canvas.azure.accelerated", true);
1.862 +#endif
1.863 +
1.864 +// Turn on dynamic cache size for Skia
1.865 +pref("gfx.canvas.skiagl.dynamic-cache", true);
1.866 +
1.867 +// Limit skia to canvases the size of the device screen or smaller
1.868 +pref("gfx.canvas.max-size-for-skia-gl", -1);
1.869 +
1.870 +// enable fence with readpixels for SurfaceStream
1.871 +pref("gfx.gralloc.fence-with-readpixels", true);
1.872 +
1.873 +// Cell Broadcast API
1.874 +pref("ril.cellbroadcast.disabled", false);
1.875 +
1.876 +// The url of the page used to display network error details.
1.877 +pref("b2g.neterror.url", "app://system.gaiamobile.org/net_error.html");
1.878 +
1.879 +// Enable Web Speech synthesis API
1.880 +pref("media.webspeech.synth.enabled", true);
1.881 +
1.882 +// Downloads API
1.883 +pref("dom.mozDownloads.enabled", true);
1.884 +pref("dom.downloads.max_retention_days", 7);
1.885 +
1.886 +// External Helper Application Handling
1.887 +//
1.888 +// All external helper application handling can require the docshell to be
1.889 +// active before allowing the external helper app service to handle content.
1.890 +//
1.891 +// To prevent SD card DoS attacks via downloads we disable background handling.
1.892 +//
1.893 +pref("security.exthelperapp.disable_background_handling", true);
1.894 +
1.895 +// Inactivity time in milliseconds after which we shut down the OS.File worker.
1.896 +pref("osfile.reset_worker_delay", 5000);
1.897 +
1.898 +// APZC preferences.
1.899 +//
1.900 +// Gaia relies heavily on scroll events for now, so lets fire them
1.901 +// more often than the default value (100).
1.902 +pref("apz.asyncscroll.throttle", 40);
1.903 +pref("apz.pan_repaint_interval", 16);
1.904 +
1.905 +// Maximum fling velocity in inches/ms. Slower devices may need to reduce this
1.906 +// to avoid checkerboarding. Note, float value must be set as a string.
1.907 +pref("apz.max_velocity_inches_per_ms", "0.0375");
1.908 +
1.909 +// Tweak default displayport values to reduce the risk of running out of
1.910 +// memory when zooming in
1.911 +pref("apz.x_skate_size_multiplier", "1.25");
1.912 +pref("apz.y_skate_size_multiplier", "1.5");
1.913 +pref("apz.x_stationary_size_multiplier", "1.5");
1.914 +pref("apz.y_stationary_size_multiplier", "1.8");
1.915 +pref("apz.enlarge_displayport_when_clipped", true);
1.916 +// Use "sticky" axis locking
1.917 +pref("apz.axis_lock_mode", 2);
1.918 +pref("apz.subframe.enabled", true);
1.919 +
1.920 +// This preference allows FirefoxOS apps (and content, I think) to force
1.921 +// the use of software (instead of hardware accelerated) 2D canvases by
1.922 +// creating a context like this:
1.923 +//
1.924 +// canvas.getContext('2d', { willReadFrequently: true })
1.925 +//
1.926 +// Using a software canvas can save memory when JS calls getImageData()
1.927 +// on the canvas frequently. See bug 884226.
1.928 +pref("gfx.canvas.willReadFrequently.enable", true);
1.929 +
1.930 +// Disable autofocus until we can have it not bring up the keyboard.
1.931 +// https://bugzilla.mozilla.org/show_bug.cgi?id=965763
1.932 +pref("browser.autofocus", false);
1.933 +
1.934 +// Enable wakelock
1.935 +pref("dom.wakelock.enabled", true);
1.936 +
1.937 +// Enable sync and mozId with Firefox Accounts.
1.938 +#ifdef MOZ_SERVICES_FXACCOUNTS
1.939 +pref("services.sync.fxaccounts.enabled", true);
1.940 +pref("identity.fxaccounts.enabled", true);
1.941 +#endif
