Source: js/telephony_monitor.js

  1. /* global BaseModule */
  2. 'use strict';
  4. (function() {
  5.   var TelephonyMonitor = function(telephony) {
  6.     this.telephony = telephony;
  7.   };
  8.   TelephonyMonitor.STATES = [
  9.     'inCall',
  10.     'hasActiveCall'
  11.   ];
  12.   BaseModule.create(TelephonyMonitor, {
  13.     name: 'TelephonyMonitor',
  14.     inCall: false,
  15.     /**
  16.      * Check if there is active call
  17.      * @param  {Number}  index If not specified, it means any active call;
  18.      *         if specified, it means the active call at this SIM slot.
  19.      * @return {Boolean} There is active call or not.
  20.      */
  21.     hasActiveCall: function(index) {
  22.       if (index) {
  23.         return this.telephony.active &&
  24.                this.telephony.active.serviceId === index;
  25.       } else {
  26.         return !!this.telephony.active;
  27.       }
  28.     },
  29.     handleEvent: function(evt) {
  30.       this.inCall = this.telephony.calls.length > 0;
  31.       this.publish('callschanged', {
  32.         detail: evt.detail
  33.       });
  34.     },
  35.     _start: function() {
  36.       this.telephony.addEventListener('callschanged', this);
  37.     },
  38.     _stop: function() {
  39.       this.telephony.removeEventListener('callschanged', this);
  40.     }
  41.   });
  42. }());