b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
147 lines
3.9 KiB
JavaScript
147 lines
3.9 KiB
JavaScript
'use strict';
|
|
/* global BaseModule */
|
|
/* global Service */
|
|
/* global BatteryIcon */
|
|
/* global LazyLoader */
|
|
|
|
(function() {
|
|
function BatteryOverlay() {
|
|
LazyLoader.load(['js/battery_icon.js']).then(function() {
|
|
this.icon = new BatteryIcon(this);
|
|
this.icon.start();
|
|
}.bind(this)).catch(function(err) {
|
|
console.error(err);
|
|
});
|
|
}
|
|
BatteryOverlay.SUB_MODULES = [
|
|
'PowerSave'
|
|
];
|
|
|
|
BaseModule.create(BatteryOverlay, {
|
|
name: 'BatteryOverlay',
|
|
TOASTER_TIMEOUT: 5000,
|
|
TRANSITION_SPEED: 1.8,
|
|
TRANSITION_FRACTION: 0.30,
|
|
|
|
AUTO_SHUTDOWN_LEVEL: 0.00,
|
|
EMPTY_BATTERY_LEVEL: 0.1,
|
|
|
|
_battery: window.navigator.battery,
|
|
_notification: null,
|
|
|
|
getAllElements: function bm_getAllElements() {
|
|
this.screen = document.getElementById('screen');
|
|
this.overlay = document.getElementById('system-overlay');
|
|
this.notification = document.getElementById('battery');
|
|
},
|
|
|
|
checkBatteryDrainage: function bm_checkBatteryDrainage() {
|
|
var battery = this._battery;
|
|
if (!battery) {
|
|
return;
|
|
}
|
|
if (battery.level <= this.AUTO_SHUTDOWN_LEVEL && !battery.charging) {
|
|
// Fire a event to inform sleepMenu perform shutdown.
|
|
window.dispatchEvent(new CustomEvent('batteryshutdown'));
|
|
}
|
|
},
|
|
|
|
_start: function bm_init() {
|
|
this.getAllElements();
|
|
var battery = this._battery;
|
|
if (battery) {
|
|
// When the device is booted, check if the battery is drained. If so,
|
|
// batteryshutdown would be triggered to inform sleepMenu shutdown.
|
|
this.checkBatteryDrainage.bind(this);
|
|
|
|
battery.addEventListener('levelchange', this);
|
|
battery.addEventListener('chargingchange', this);
|
|
}
|
|
window.addEventListener('screenchange', this);
|
|
|
|
this._screenOn = true;
|
|
this._wasEmptyBatteryNotificationDisplayed = false;
|
|
|
|
this.displayIfNecessary();
|
|
},
|
|
|
|
handleEvent: function bm_handleEvent(evt) {
|
|
var battery = this._battery;
|
|
|
|
switch (evt.type) {
|
|
case 'screenchange':
|
|
this._screenOn = evt.detail.screenEnabled;
|
|
this.displayIfNecessary();
|
|
break;
|
|
|
|
case 'levelchange':
|
|
if (!battery) {
|
|
return;
|
|
}
|
|
|
|
this.checkBatteryDrainage();
|
|
this.displayIfNecessary();
|
|
|
|
this.powerSave && this.powerSave.onBatteryChange();
|
|
this.icon && this.icon.update();
|
|
break;
|
|
case 'chargingchange':
|
|
this.powerSave && this.powerSave.onBatteryChange();
|
|
this.icon && this.icon.update();
|
|
|
|
// We turn the screen on if needed in order to let
|
|
// the user knows the device is charging
|
|
|
|
if (battery && battery.charging) {
|
|
this.hide();
|
|
this._wasEmptyBatteryNotificationDisplayed = false;
|
|
|
|
if (!this._screenOn) {
|
|
Service.request('turnScreenOn');
|
|
}
|
|
} else {
|
|
this.displayIfNecessary();
|
|
}
|
|
break;
|
|
}
|
|
},
|
|
|
|
_shouldWeDisplay: function bm_shouldWeDisplay() {
|
|
var battery = this._battery;
|
|
if (!battery) {
|
|
return false;
|
|
}
|
|
|
|
return (!this._wasEmptyBatteryNotificationDisplayed &&
|
|
!battery.charging &&
|
|
battery.level <= this.EMPTY_BATTERY_LEVEL &&
|
|
this._screenOn);
|
|
},
|
|
|
|
displayIfNecessary: function bm_display() {
|
|
if (!this._shouldWeDisplay()) {
|
|
return;
|
|
}
|
|
|
|
this.overlay.classList.add('battery');
|
|
|
|
this._wasEmptyBatteryNotificationDisplayed = true;
|
|
|
|
if (this._toasterTimeout) {
|
|
clearTimeout(this._toasterTimeout);
|
|
}
|
|
|
|
this._toasterTimeout = setTimeout(this.hide.bind(this),
|
|
this.TOASTER_TIMEOUT);
|
|
},
|
|
|
|
hide: function bm_hide() {
|
|
var overlayCss = this.overlay.classList;
|
|
if (overlayCss.contains('battery')) {
|
|
this.overlay.classList.remove('battery');
|
|
this._toasterTimeout = null;
|
|
}
|
|
}
|
|
});
|
|
|
|
}());
|