b38dea0597
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130 lines
4 KiB
JavaScript
130 lines
4 KiB
JavaScript
'use strict';
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/* global CarrierInfoNotifier */
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/* global MobileOperator */
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/* global Service */
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(function(exports) {
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/**
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* CellBroadcastSystem
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* @class CellBroadcastSystem
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* @requires CarrierInfoNotifier
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* @requires MobileOperator
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*/
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function CellBroadcastSystem() {}
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CellBroadcastSystem.prototype = {
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name: 'CellBroadcastSystem',
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/**
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* Whether or not the cellbroadcast setting is enabled or disabled.
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* @memberof CellBroadcastSystem.prototype
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* @type {Array}
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*/
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_settingsDisabled: [],
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/**
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* The cell broadcast settings key.
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* @memberof CellBroadcastSystem.prototype
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* @type {String}
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*/
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_settingsKey: 'ril.cellbroadcast.disabled',
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/**
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* Starts listening for events and settings changes.
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* @memberof CellBroadcastSystem.prototype
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*/
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start: function cbs_start() {
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var self = this;
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if (navigator && navigator.mozCellBroadcast) {
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navigator.mozCellBroadcast.onreceived = this.show.bind(this);
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}
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var settings = window.navigator.mozSettings;
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var req = settings.createLock().get(this._settingsKey);
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req.onsuccess = function() {
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self._settingsDisabled = req.result[self._settingsKey];
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};
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settings.addObserver(
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this._settingsKey, this.settingsChangedHandler.bind(this));
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Service.register('show', this);
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},
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/**
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* Called when the cellbroadcast setting is changed.
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* @memberof CellBroadcastSystem.prototype
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*/
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settingsChangedHandler: function cbs_settingsChangedHandler(event) {
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this._settingsDisabled = event.settingValue;
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if (this._hasCBSDisabled()) {
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var evt = new CustomEvent('cellbroadcastmsgchanged', { detail: null });
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window.dispatchEvent(evt);
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}
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},
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/**
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* Shows the cell broadcast notification.
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* @memberof CellBroadcastSystem.prototype
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*/
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show: function cbs_show(event) {
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var msg = event.message;
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var serviceId = msg.serviceId || 0;
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var conn = window.navigator.mozMobileConnections[serviceId];
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var id = msg.messageId;
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var cdmaCategory = msg.cdmaServiceCategory;
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// Early return CMAS messsage and let network alert app handle it. Please
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// ref http://www.etsi.org/deliver/etsi_ts/123000_123099/123041/
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// 11.06.00_60/ts_123041v110600p.pdf, chapter 9.4.1.2.2 Message identifier
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// for GSM and http://www.3gpp2.org/public_html/specs/
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// C.R1001-G_v1.0_Param_Administration.pdf for CDMA.
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// GSM Message id from range 4370 to 4399(1112 hex to 112f hex) and
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// CDMA service category from range 4096 to 4351(1000 hex to 10ff hex)
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// should be CMAS and network alert will display detail information.
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var isGSM = cdmaCategory === null;
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var isGSMCmas = isGSM && (id >= 4370 && id < 4400);
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var isCDMACmas = !isGSM &&
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(cdmaCategory >= 0x1000 && cdmaCategory <= 0x10FF);
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if (isGSMCmas || isCDMACmas) {
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return;
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}
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if (conn && conn.voice && conn.voice.network &&
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conn.voice.network.mcc === MobileOperator.BRAZIL_MCC &&
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id === MobileOperator.BRAZIL_CELLBROADCAST_CHANNEL) {
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var evt = new CustomEvent('cellbroadcastmsgchanged',
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{ detail: msg.body });
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window.dispatchEvent(evt);
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return;
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}
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var body = msg.body;
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// XXX: 'undefined' test until bug-1021177 lands
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if (msg.etws && (!body || (body == 'undefined'))) {
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body = navigator.mozL10n.get('cb-etws-warningType-' +
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(msg.etws.warningType ? msg.etws.warningType : 'other'));
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}
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CarrierInfoNotifier.show(body,
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navigator.mozL10n.get('cb-channel', { channel: id }));
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},
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/**
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* To make sure there is any CBS pref is disabled
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* @memberof CellBroadcastSystem.prototype
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*/
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_hasCBSDisabled: function cbs__getDisabledCBSIndex() {
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var index =
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this._settingsDisabled.findIndex(disabled => (disabled === true));
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return (index >= 0);
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}
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};
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exports.CellBroadcastSystem = CellBroadcastSystem;
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}(window));
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