diff options
Diffstat (limited to 'apps/system/js/battery_manager.js')
| -rw-r--r-- | apps/system/js/battery_manager.js | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/apps/system/js/battery_manager.js b/apps/system/js/battery_manager.js deleted file mode 100644 index d2eacf8..0000000 --- a/apps/system/js/battery_manager.js +++ /dev/null @@ -1,277 +0,0 @@ -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- / -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ - -'use strict'; - -var BatteryManager = { - TOASTER_TIMEOUT: 5000, - TRANSITION_SPEED: 1.8, - TRANSITION_FRACTION: 0.30, - - AUTO_SHUTDOWN_LEVEL: 0.02, - 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) - SleepMenu.startPowerOff(false); - }, - - init: function bm_init() { - this.getAllElements(); - var battery = this._battery; - if (battery) { - // When the device is booted, check if the battery is drained. - // If so, SleepMenu.startPowerOff() would be called. - this.checkBatteryDrainage(); - - battery.addEventListener('levelchange', this); - battery.addEventListener('chargingchange', this); - } - window.addEventListener('screenchange', this); - this._toasterGD = new GestureDetector(this.notification); - ['mousedown', 'swipe'].forEach(function(evt) { - this.notification.addEventListener(evt, this); - }, this); - - this._screenOn = true; - this._wasEmptyBatteryNotificationDisplayed = false; - - this.displayIfNecessary(); - }, - - handleEvent: function bm_handleEvent(evt) { - switch (evt.type) { - case 'screenchange': - this._screenOn = evt.detail.screenEnabled; - this.displayIfNecessary(); - break; - - case 'levelchange': - var battery = this._battery; - if (!battery) - return; - - this.checkBatteryDrainage(); - this.displayIfNecessary(); - - PowerSaveHandler.onBatteryChange(); - break; - case 'chargingchange': - PowerSaveHandler.onBatteryChange(); - - var battery = this._battery; - // 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) { - ScreenManager.turnScreenOn(); - } - } else { - this.displayIfNecessary(); - } - break; - - case 'mousedown': - this.mousedown(evt); - break; - case 'swipe': - this.swipe(evt); - 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; - } - - // we know it's here, it's checked in shouldWeDisplay() - var level = this._battery.level; - - this.overlay.classList.add('battery'); - - this._toasterGD.startDetecting(); - 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; - this._toasterGD.stopDetecting(); - } - }, - - // Swipe handling - mousedown: function bm_mousedown(evt) { - evt.preventDefault(); - this._containerWidth = this.overlay.clientWidth; - }, - - swipe: function bm_swipe(evt) { - var detail = evt.detail; - var distance = detail.start.screenX - detail.end.screenX; - var fastEnough = Math.abs(detail.vx) > this.TRANSITION_SPEED; - var farEnough = Math.abs(distance) > - this._containerWidth * this.TRANSITION_FRACTION; - - // If the swipe distance is too short or swipe speed is too slow, - // do nothing. - if (!(farEnough || fastEnough)) - return; - - var self = this; - this.notification.addEventListener('animationend', function animationend() { - self.notification.removeEventListener('animationend', animationend); - self.notification.classList.remove('disappearing'); - self.hide(); - }); - this.notification.classList.add('disappearing'); - } -}; - -var PowerSaveHandler = (function PowerSaveHandler() { - - var _powerSaveResume = {}; - var _powerSaveEnabled = false; - var _states = { - 'wifi.enabled' : false, - 'ril.data.enabled' : false, - 'bluetooth.enabled' : false, - 'geolocation.enabled' : false - }; - - function init() { - SettingsListener.observe('powersave.enabled', false, - function sl_getPowerSave(value) { - var enabled = value; - if (enabled) { - enablePowerSave(); - } else { - disablePowerSave(); - } - _powerSaveEnabled = enabled; - }); - - // Monitor the states of various modules - for (var j in _states) { - SettingsListener.observe(j, true, function getState(state, value) { - _states[state] = value; - }.bind(null, j)); - } - } - - // XXX Break down obj keys in a for each loop because mozSettings - // does not currently supports multiple keys in one set() - // https://bugzilla.mozilla.org/show_bug.cgi?id=779381 - function setMozSettings(keypairs) { - var setlock = SettingsListener.getSettingsLock(); - for (var key in keypairs) { - var obj = {}; - obj[key] = keypairs[key]; - setlock.set(obj); - } - } - - function enablePowerSave() { - // Keep the original states of various modules - for (var j in _states) { - _powerSaveResume[j] = _states[j]; - } - - var settingsToSet = { - // Turn off Wifi - 'wifi.enabled' : false, - // Turn off Data - 'ril.data.enabled' : false, - // Turn off Bluetooth - 'bluetooth.enabled' : false, - // Turn off Geolocation - 'geolocation.enabled' : false - }; - - setMozSettings(settingsToSet); - } - - function disablePowerSave() { - - var settingsToSet = {}; - - for (var state in _powerSaveResume) { - if (_powerSaveResume[state] == true) - settingsToSet[state] = true; - } - - setMozSettings(settingsToSet); - } - - function onBatteryChange() { - var battery = BatteryManager._battery; - - if (battery.charging) { - if (_powerSaveEnabled) - setMozSettings({'powersave.enabled' : false}); - - return; - } - - SettingsListener.observe('powersave.threshold', 0, - function getThreshold(value) { - if (battery.level <= value && !_powerSaveEnabled) { - setMozSettings({'powersave.enabled' : true}); - return; - } - - if (value != 0 && battery.level > value && _powerSaveEnabled) { - setMozSettings({'powersave.enabled' : false}); - return; - } - }); - } - - return { - init: init, - onBatteryChange: onBatteryChange - }; -})(); - -// init PowerSaveHandler first, since it will be used by BatteryManager -PowerSaveHandler.init(); -BatteryManager.init(); |