gecko-dev/b2g/chrome/content/settings.js

106 lines
3.3 KiB
JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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;"
// 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.getLock().get(name);
req.addEventListener('success', (function onsuccess() {
callback(typeof(req.result[name]) != 'undefined' ?
req.result[name] : defaultValue);
}));
this._callbacks[name] = callback;
}
};
SettingsListener.init();
// =================== Audio ====================
SettingsListener.observe('audio.volume.master', 0.5, function(value) {
let audioManager = Services.audioManager;
if (!audioManager)
return;
audioManager.masterVolume = Math.max(0.0, Math.min(value, 1.0));
});
// =================== Languages ====================
SettingsListener.observe('language.current', 'en-US', function(value) {
Services.prefs.setCharPref('intl.accept_languages', value);
});
// =================== RIL ====================
(function RILSettingsToPrefs() {
['ril.data.enabled', 'ril.data.roaming.enabled'].forEach(function(key) {
SettingsListener.observe(key, false, function(value) {
Services.prefs.setBoolPref(key, value);
});
});
let strPrefs = ['ril.data.apn', 'ril.data.user', 'ril.data.passwd',
'ril.data.mmsc', 'ril.data.mmsproxy'];
strPrefs.forEach(function(key) {
SettingsListener.observe(key, false, function(value) {
Services.prefs.setCharPref(key, value);
});
});
['ril.data.mmsport'].forEach(function(key) {
SettingsListener.observe(key, false, function(value) {
Services.prefs.setIntPref(key, value);
});
});
})();
// =================== Debugger ====================
SettingsListener.observe('devtools.debugger.remote-enabled', false, function(enabled) {
Services.prefs.setBoolPref('devtools.debugger.remote-enabled', value);
});
SettingsListener.observe('devtools.debugger.log', false, function(value) {
Services.prefs.setBoolPref('devtools.debugger.log', value);
});
SettingsListener.observe('devtools.debugger.remote-port', 6000, function(value) {
Services.prefs.setIntPref('devtools.debugger.remote-port', value);
});
SettingsListener.observe('devtools.debugger.force-local', true, function(value) {
Services.prefs.setBoolPref('devtools.debugger.force-local', value);
});