gecko/b2g/chrome/content/settings.js

528 lines
17 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- /
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
Cu.import('resource://gre/modules/XPCOMUtils.jsm');
Cu.import('resource://gre/modules/Services.jsm');
#ifdef MOZ_WIDGET_GONK
XPCOMUtils.defineLazyGetter(this, "libcutils", function () {
Cu.import("resource://gre/modules/systemlibs.js");
return libcutils;
});
#endif
XPCOMUtils.defineLazyServiceGetter(this, "uuidgen",
"@mozilla.org/uuid-generator;1",
"nsIUUIDGenerator");
// Once Bug 731746 - Allow chrome JS object to implement nsIDOMEventTarget
// is resolved this helper could be removed.
var SettingsListener = {
_callbacks: {},
init: function sl_init() {
if ('mozSettings' in navigator && navigator.mozSettings) {
navigator.mozSettings.onsettingchange = this.onchange.bind(this);
}
},
onchange: function sl_onchange(evt) {
var callback = this._callbacks[evt.settingName];
if (callback) {
callback(evt.settingValue);
}
},
observe: function sl_observe(name, defaultValue, callback) {
var settings = window.navigator.mozSettings;
if (!settings) {
window.setTimeout(function() { callback(defaultValue); });
return;
}
if (!callback || typeof callback !== 'function') {
throw new Error('Callback is not a function');
}
var req = settings.createLock().get(name);
req.addEventListener('success', (function onsuccess() {
callback(typeof(req.result[name]) != 'undefined' ?
req.result[name] : defaultValue);
}));
this._callbacks[name] = callback;
}
};
SettingsListener.init();
// =================== Console ======================
SettingsListener.observe('debug.console.enabled', true, function(value) {
Services.prefs.setBoolPref('consoleservice.enabled', value);
Services.prefs.setBoolPref('layout.css.report_errors', value);
});
// =================== Languages ====================
SettingsListener.observe('language.current', 'en-US', function(value) {
Services.prefs.setCharPref('general.useragent.locale', value);
let prefName = 'intl.accept_languages';
let defaultBranch = Services.prefs.getDefaultBranch(null);
let intl = '';
try {
intl = defaultBranch.getComplexValue(prefName,
Ci.nsIPrefLocalizedString).data;
} catch(e) {}
// Bug 830782 - Homescreen is in English instead of selected locale after
// the first run experience.
// In order to ensure the current intl value is reflected on the child
// process let's always write a user value, even if this one match the
// current localized pref value.
if (!((new RegExp('^' + value + '[^a-z-_] *[,;]?', 'i')).test(intl))) {
value = value + ', ' + intl;
} else {
value = intl;
}
Services.prefs.setCharPref(prefName, value);
if (shell.hasStarted() == false) {
shell.start();
}
});
// =================== RIL ====================
(function RILSettingsToPrefs() {
let strPrefs = ['ril.mms.mmsc', 'ril.mms.mmsproxy'];
strPrefs.forEach(function(key) {
SettingsListener.observe(key, "", function(value) {
Services.prefs.setCharPref(key, value);
});
});
['ril.mms.mmsport'].forEach(function(key) {
SettingsListener.observe(key, null, function(value) {
if (value != null) {
Services.prefs.setIntPref(key, value);
}
});
});
// DSDS default service IDs
['mms', 'sms', 'telephony', 'voicemail'].forEach(function(key) {
SettingsListener.observe('ril.' + key + '.defaultServiceId', 0,
function(value) {
if (value != null) {
Services.prefs.setIntPref('dom.' + key + '.defaultServiceId', value);
}
});
});
})();
//=================== DeviceInfo ====================
Components.utils.import('resource://gre/modules/XPCOMUtils.jsm');
Components.utils.import('resource://gre/modules/ctypes.jsm');
(function DeviceInfoToSettings() {
// MOZ_B2G_VERSION is set in b2g/confvars.sh, and is output as a #define value
// from configure.in, defaults to 1.0.0 if this value is not exist.
#filter attemptSubstitution
let os_version = '@MOZ_B2G_VERSION@';
let os_name = '@MOZ_B2G_OS_NAME@';
#unfilter attemptSubstitution
let appInfo = Cc["@mozilla.org/xre/app-info;1"]
.getService(Ci.nsIXULAppInfo);
// Get the hardware info and firmware revision from device properties.
let hardware_info = null;
let firmware_revision = null;
let product_model = null;
#ifdef MOZ_WIDGET_GONK
hardware_info = libcutils.property_get('ro.hardware');
firmware_revision = libcutils.property_get('ro.firmware_revision');
product_model = libcutils.property_get('ro.product.model');
#endif
// Populate deviceinfo settings,
// copying any existing deviceinfo.os into deviceinfo.previous_os
let lock = window.navigator.mozSettings.createLock();
let req = lock.get('deviceinfo.os');
req.onsuccess = req.onerror = () => {
let previous_os = req.result && req.result['deviceinfo.os'] || '';
let software = os_name + ' ' + os_version;
let setting = {
'deviceinfo.os': os_version,
'deviceinfo.previous_os': previous_os,
'deviceinfo.software': software,
'deviceinfo.platform_version': appInfo.platformVersion,
'deviceinfo.platform_build_id': appInfo.platformBuildID,
'deviceinfo.hardware': hardware_info,
'deviceinfo.firmware_revision': firmware_revision,
'deviceinfo.product_model': product_model
}
lock.set(setting);
}
})();
// =================== DevTools HUD ====================
let developerHUD;
SettingsListener.observe('devtools.overlay', false, (value) => {
if (value) {
if (!developerHUD) {
let scope = {};
Services.scriptloader.loadSubScript('chrome://b2g/content/devtools/hud.js', scope);
developerHUD = scope.developerHUD;
}
developerHUD.init();
} else {
if (developerHUD) {
developerHUD.uninit();
}
}
});
// =================== Device Storage ====================
SettingsListener.observe('device.storage.writable.name', 'sdcard', function(value) {
if (Services.prefs.getPrefType('device.storage.writable.name') != Ci.nsIPrefBranch.PREF_STRING) {
// We clear the pref because it used to be erroneously written as a bool
// and we need to clear it before we can change it to have the correct type.
Services.prefs.clearUserPref('device.storage.writable.name');
}
Services.prefs.setCharPref('device.storage.writable.name', value);
});
// =================== Privacy ====================
SettingsListener.observe('privacy.donottrackheader.value', 1, function(value) {
Services.prefs.setIntPref('privacy.donottrackheader.value', value);
// If the user specifically disallows tracking, we set the value of
// app.update.custom (update tracking ID) to an empty string.
if (value == 1) {
Services.prefs.setCharPref('app.update.custom', '');
return;
}
// Otherwise, we assure that the update tracking ID exists.
setUpdateTrackingId();
});
// =================== Crash Reporting ====================
SettingsListener.observe('app.reportCrashes', 'ask', function(value) {
if (value == 'always') {
Services.prefs.setBoolPref('app.reportCrashes', true);
} else if (value == 'never') {
Services.prefs.setBoolPref('app.reportCrashes', false);
} else {
Services.prefs.clearUserPref('app.reportCrashes');
}
// This preference is consulted during startup.
Services.prefs.savePrefFile(null);
});
// ================ Updates ================
/**
* For tracking purposes some partners require us to add an UUID to the
* update URL. The update tracking ID will be an empty string if the
* do-not-track feature specifically disallows tracking and it is reseted
* to a different ID if the do-not-track value changes from disallow to allow.
*/
function setUpdateTrackingId() {
try {
let dntEnabled = Services.prefs.getBoolPref('privacy.donottrackheader.enabled');
let dntValue = Services.prefs.getIntPref('privacy.donottrackheader.value');
// If the user specifically decides to disallow tracking (1), we just bail out.
if (dntEnabled && (dntValue == 1)) {
return;
}
let trackingId =
Services.prefs.getPrefType('app.update.custom') ==
Ci.nsIPrefBranch.PREF_STRING &&
Services.prefs.getCharPref('app.update.custom');
// If there is no previous registered tracking ID, we generate a new one.
// This should only happen on first usage or after changing the
// do-not-track value from disallow to allow.
if (!trackingId) {
trackingId = uuidgen.generateUUID().toString().replace(/[{}]/g, "");
Services.prefs.setCharPref('app.update.custom', trackingId);
}
} catch(e) {
dump('Error getting tracking ID ' + e + '\n');
}
}
setUpdateTrackingId();
// ================ Debug ================
(function Composer2DSettingToPref() {
//layers.composer.enabled can be enabled in three ways
//In order of precedence they are:
//
//1. mozSettings "layers.composer.enabled"
//2. a gecko pref "layers.composer.enabled"
//3. presence of ro.display.colorfill at the Gonk level
var req = navigator.mozSettings.createLock().get('layers.composer2d.enabled');
req.onsuccess = function() {
if (typeof(req.result['layers.composer2d.enabled']) === 'undefined') {
var enabled = false;
if (Services.prefs.getPrefType('layers.composer2d.enabled') == Ci.nsIPrefBranch.PREF_BOOL) {
enabled = Services.prefs.getBoolPref('layers.composer2d.enabled');
} else {
#ifdef MOZ_WIDGET_GONK
let androidVersion = libcutils.property_get("ro.build.version.sdk");
if (androidVersion >= 17 ) {
enabled = true;
} else {
enabled = (libcutils.property_get('ro.display.colorfill') === '1');
}
#endif
}
navigator.mozSettings.createLock().set({'layers.composer2d.enabled': enabled });
}
SettingsListener.observe("layers.composer2d.enabled", true, function(value) {
Services.prefs.setBoolPref("layers.composer2d.enabled", value);
});
};
req.onerror = function() {
dump("Error configuring layers.composer2d.enabled setting");
};
})();
// ================ Accessibility ============
(function setupAccessibility() {
let accessibilityScope = {};
SettingsListener.observe("accessibility.screenreader", false, function(value) {
if (!('AccessFu' in accessibilityScope)) {
Cu.import('resource://gre/modules/accessibility/AccessFu.jsm',
accessibilityScope);
accessibilityScope.AccessFu.attach(window);
}
});
})();
// ================ Theming ============
(function themingSettingsListener() {
let themingPrefs = ['ui.menu', 'ui.menutext', 'ui.infobackground', 'ui.infotext',
'ui.window', 'ui.windowtext', 'ui.highlight'];
themingPrefs.forEach(function(pref) {
SettingsListener.observe('gaia.' + pref, null, function(value) {
if (value) {
Services.prefs.setCharPref(pref, value);
}
});
});
})();
// =================== Telemetry ======================
(function setupTelemetrySettings() {
let gaiaSettingName = 'debug.performance_data.shared';
let geckoPrefName = 'toolkit.telemetry.enabled';
SettingsListener.observe(gaiaSettingName, null, function(value) {
if (value !== null) {
// Gaia setting has been set; update Gecko pref to that.
Services.prefs.setBoolPref(geckoPrefName, value);
return;
}
// Gaia setting has not been set; set the gaia setting to default.
#ifdef MOZ_TELEMETRY_ON_BY_DEFAULT
let prefValue = true;
#else
let prefValue = false;
#endif
try {
prefValue = Services.prefs.getBoolPref(geckoPrefName);
} catch (e) {
// Pref not set; use default value.
}
let setting = {};
setting[gaiaSettingName] = prefValue;
window.navigator.mozSettings.createLock().set(setting);
});
})();
// =================== Low-precision buffer ======================
(function setupLowPrecisionSettings() {
// The gaia setting layers.low-precision maps to two gecko prefs
SettingsListener.observe('layers.low-precision', null, function(value) {
if (value !== null) {
// Update gecko from the new Gaia setting
Services.prefs.setBoolPref('layers.low-precision-buffer', value);
Services.prefs.setBoolPref('layers.progressive-paint', value);
} else {
// Update gaia setting from gecko value
try {
let prefValue = Services.prefs.getBoolPref('layers.low-precision-buffer');
let setting = { 'layers.low-precision': prefValue };
window.navigator.mozSettings.createLock().set(setting);
} catch (e) {
console.log('Unable to read pref layers.low-precision-buffer: ' + e);
}
}
});
// The gaia setting layers.low-opacity maps to a string gecko pref (0.5/1.0)
SettingsListener.observe('layers.low-opacity', null, function(value) {
if (value !== null) {
// Update gecko from the new Gaia setting
Services.prefs.setCharPref('layers.low-precision-opacity', value ? '0.5' : '1.0');
} else {
// Update gaia setting from gecko value
try {
let prefValue = Services.prefs.getCharPref('layers.low-precision-opacity');
let setting = { 'layers.low-opacity': (prefValue == '0.5') };
window.navigator.mozSettings.createLock().set(setting);
} catch (e) {
console.log('Unable to read pref layers.low-precision-opacity: ' + e);
}
}
});
})();
// =================== Various simple mapping ======================
let settingsToObserve = {
'app.update.channel': {
resetToPref: true
},
'app.update.interval': 86400,
'app.update.url': {
resetToPref: true
},
'apz.force-enable': {
prefName: 'dom.browser_frames.useAsyncPanZoom',
defaultValue: false
},
'apz.overscroll.enabled': true,
'debug.fps.enabled': {
prefName: 'layers.acceleration.draw-fps',
defaultValue: false
},
'debug.log-animations.enabled': {
prefName: 'layers.offmainthreadcomposition.log-animations',
defaultValue: false
},
'debug.paint-flashing.enabled': {
prefName: 'nglayout.debug.paint_flashing',
defaultValue: false
},
'devtools.eventlooplag.threshold': 100,
'devtools.remote.wifi.visible': {
resetToPref: true
},
'dom.mozApps.use_reviewer_certs': false,
'layers.draw-borders': false,
'layers.draw-tile-borders': false,
'layers.dump': false,
'layers.enable-tiles': true,
'layers.simple-tiles': false,
'layers.effect.invert': false,
'layers.effect.grayscale': false,
'layers.effect.contrast': "0.0",
'privacy.donottrackheader.enabled': false,
'ril.radio.disabled': false,
'ril.mms.requestReadReport.enabled': {
prefName: 'dom.mms.requestReadReport',
defaultValue: true
},
'ril.mms.requestStatusReport.enabled': {
prefName: 'dom.mms.requestStatusReport',
defaultValue: false
},
'ril.mms.retrieval_mode': {
prefName: 'dom.mms.retrieval_mode',
defaultValue: 'manual'
},
'ril.sms.requestStatusReport.enabled': {
prefName: 'dom.sms.requestStatusReport',
defaultValue: false
},
'ril.sms.strict7BitEncoding.enabled': {
prefName: 'dom.sms.strict7BitEncoding',
defaultValue: false
},
'ui.touch.radius.leftmm': {
resetToPref: true
},
'ui.touch.radius.topmm': {
resetToPref: true
},
'ui.touch.radius.rightmm': {
resetToPref: true
},
'ui.touch.radius.bottommm': {
resetToPref: true
},
'wap.UAProf.tagname': 'x-wap-profile',
'wap.UAProf.url': ''
};
for (let key in settingsToObserve) {
let setting = settingsToObserve[key];
// Allow setting to contain flags redefining prefName and defaultValue.
let prefName = setting.prefName || key;
let defaultValue = setting.defaultValue;
if (defaultValue === undefined) {
defaultValue = setting;
}
let prefs = Services.prefs;
// If requested, reset setting value and defaultValue to the pref value.
if (setting.resetToPref) {
switch (prefs.getPrefType(prefName)) {
case Ci.nsIPrefBranch.PREF_BOOL:
defaultValue = prefs.getBoolPref(prefName);
break;
case Ci.nsIPrefBranch.PREF_INT:
defaultValue = prefs.getIntPref(prefName);
break;
case Ci.nsIPrefBranch.PREF_STRING:
defaultValue = prefs.getCharPref(prefName);
break;
}
let setting = {};
setting[key] = defaultValue;
window.navigator.mozSettings.createLock().set(setting);
}
// Figure out the right setter function for this type of pref.
let setPref;
switch (typeof defaultValue) {
case 'boolean':
setPref = prefs.setBoolPref.bind(prefs);
break;
case 'number':
setPref = prefs.setIntPref.bind(prefs);
break;
case 'string':
setPref = prefs.setCharPref.bind(prefs);
break;
}
SettingsListener.observe(key, defaultValue, function(value) {
setPref(prefName, value);
});
};