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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var BatterySettings = Polymer({
is: 'battery-settings',
properties: {
/**
* The system's battery percentage.
*/
batteryPercent: {
type: Number,
observer: 'batteryPercentChanged',
},
/**
* A string representing a value in the
* PowerSupplyProperties_BatteryState enumeration.
*/
batteryState: {
type: String,
observer: 'batteryStateChanged',
},
/**
* An array representing the battery state options.
* The names are ordered based on the
* PowerSupplyProperties_BatteryState enumeration. These values must be
* in sync.
*/
batteryStateOptions: {
type: Array,
value: function() { return ['Full', 'Charging', 'Disharging',
'Not Present']; },
},
/**
* A string representing a value in the
* PowerSupplyProperties_ExternalPower enumeration.
*/
externalPower: {
type: String,
observer: 'externalPowerChanged',
},
/**
* An array representing the external power options.
* The names are ordered based on the
* PowerSupplyProperties_ExternalPower enumeration. These values must be
* in sync.
*/
externalPowerOptions: {
type: Array,
value: function() { return ['AC', 'USB (Low Power)', 'Disconnected']; }
},
/**
* A string representing the time left until the battery is discharged.
*/
timeUntilEmpty: {
type: String,
observer: 'timeUntilEmptyChanged',
},
/**
* A string representing the time left until the battery is at 100%.
*/
timeUntilFull: {
type: String,
observer: 'timeUntilFullChanged',
},
/**
* The title for the settings section.
*/
title: {
type: String,
},
},
ready: function() {
this.title = 'Power';
},
initialize: function() {
if (!this.initialized) {
chrome.send('requestPowerInfo');
this.initialized = true;
}
},
batteryPercentChanged: function(percent, oldPercent) {
if (oldPercent != undefined)
chrome.send('updateBatteryPercent', [parseInt(percent)]);
},
batteryStateChanged: function(state) {
// Find the index of the selected battery state.
var index = this.batteryStateOptions.indexOf(state);
if (index >= 0)
chrome.send('updateBatteryState', [index]);
},
externalPowerChanged: function(source) {
// Find the index of the selected power source.
var index = this.externalPowerOptions.indexOf(source);
if (index >= 0)
chrome.send('updateExternalPower', [index]);
},
timeUntilEmptyChanged: function(time, oldTime) {
if (oldTime != undefined)
chrome.send('updateTimeToEmpty', [parseInt(time)]);
},
timeUntilFullChanged: function(time, oldTime) {
if (oldTime != undefined)
chrome.send('updateTimeToFull', [parseInt(time)]);
},
updatePowerProperties: function(power_properties) {
this.batteryPercent = power_properties.battery_percent;
this.batteryState =
this.batteryStateOptions[power_properties.battery_state];
this.externalPower =
this.externalPowerOptions[power_properties.external_power];
this.timeUntilEmpty = power_properties.battery_time_to_empty_sec;
this.timeUntilFull = power_properties.battery_time_to_full_sec;
}
});
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