chrome/browser/resources/chromeos/emulator/battery_settings.js

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 var BatterySettings = Polymer({
   6   is: 'battery-settings',
   7
   8   properties: {
   9     /**
  10      * The system's battery percentage.
  11      */
  12     batteryPercent: {
  13       type: Number,
  14       observer: 'batteryPercentChanged',
  15     },
  16
  17     /**
  18      * A string representing a value in the
  19      * PowerSupplyProperties_BatteryState enumeration.
  20      */
  21     batteryState: {
  22       type: String,
  23       observer: 'batteryStateChanged',
  24     },
  25
  26     /**
  27      * An array representing the battery state options.
  28      * The names are ordered based on the
  29      * PowerSupplyProperties_BatteryState enumeration. These values must be
  30      * in sync.
  31      */
  32     batteryStateOptions: {
  33       type: Array,
  34       value: function() { return ['Full', 'Charging', 'Disharging',
  35                                   'Not Present']; },
  36     },
  37
  38     /**
  39      * A string representing a value in the
  40      * PowerSupplyProperties_ExternalPower enumeration.
  41      */
  42     externalPower: {
  43       type: String,
  44       observer: 'externalPowerChanged',
  45     },
  46
  47     /**
  48      * An array representing the external power options.
  49      * The names are ordered based on the
  50      * PowerSupplyProperties_ExternalPower enumeration. These values must be
  51      * in sync.
  52      */
  53     externalPowerOptions: {
  54       type: Array,
  55       value: function() { return ['AC', 'USB (Low Power)', 'Disconnected']; }
  56     },
  57
  58     /**
  59      * A string representing the time left until the battery is discharged.
  60      */
  61     timeUntilEmpty: {
  62       type: String,
  63       observer: 'timeUntilEmptyChanged',
  64     },
  65
  66     /**
  67      * A string representing the time left until the battery is at 100%.
  68      */
  69     timeUntilFull: {
  70       type: String,
  71       observer: 'timeUntilFullChanged',
  72     },
  73
  74     /**
  75      * The title for the settings section.
  76      */
  77     title: {
  78       type: String,
  79     },
  80   },
  81
  82   ready: function() {
  83     this.title = 'Power';
  84   },
  85
  86   initialize: function() {
  87     if (!this.initialized) {
  88       chrome.send('requestPowerInfo');
  89       this.initialized = true;
  90     }
  91   },
  92
  93   batteryPercentChanged: function(percent, oldPercent) {
  94     if (oldPercent != undefined)
  95       chrome.send('updateBatteryPercent', [parseInt(percent)]);
  96   },
  97
  98   batteryStateChanged: function(state) {
  99     // Find the index of the selected battery state.
 100     var index = this.batteryStateOptions.indexOf(state);
 101     if (index >= 0)
 102       chrome.send('updateBatteryState', [index]);
 103   },
 104
 105   externalPowerChanged: function(source) {
 106     // Find the index of the selected power source.
 107     var index = this.externalPowerOptions.indexOf(source);
 108     if (index >= 0)
 109       chrome.send('updateExternalPower', [index]);
 110   },
 111
 112   timeUntilEmptyChanged: function(time, oldTime) {
 113     if (oldTime != undefined)
 114       chrome.send('updateTimeToEmpty', [parseInt(time)]);
 115   },
 116
 117   timeUntilFullChanged: function(time, oldTime) {
 118     if (oldTime != undefined)
 119       chrome.send('updateTimeToFull', [parseInt(time)]);
 120   },
 121
 122   updatePowerProperties: function(power_properties) {
 123     this.batteryPercent = power_properties.battery_percent;
 124     this.batteryState =
 125         this.batteryStateOptions[power_properties.battery_state];
 126     this.externalPower =
 127         this.externalPowerOptions[power_properties.external_power];
 128     this.timeUntilEmpty = power_properties.battery_time_to_empty_sec;
 129     this.timeUntilFull = power_properties.battery_time_to_full_sec;
 130   }
 131 });