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89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_battery_BatteryManager_h
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#define mozilla_dom_battery_BatteryManager_h
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#include "Types.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/Observer.h"
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#include "nsCycleCollectionParticipant.h"
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class nsPIDOMWindow;
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class nsIScriptContext;
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namespace mozilla {
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namespace hal {
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class BatteryInformation;
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} // namespace hal
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namespace dom {
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namespace battery {
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class BatteryManager : public DOMEventTargetHelper
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, public BatteryObserver
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{
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public:
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explicit BatteryManager(nsPIDOMWindow* aWindow);
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void Init();
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void Shutdown();
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// For IObserver.
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void Notify(const hal::BatteryInformation& aBatteryInfo);
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/**
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* WebIDL Interface
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*/
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nsPIDOMWindow* GetParentObject() const
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{
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return GetOwner();
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}
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virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
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bool Charging() const
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{
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return mCharging;
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}
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double ChargingTime() const;
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double DischargingTime() const;
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double Level() const
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{
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return mLevel;
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}
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IMPL_EVENT_HANDLER(chargingchange)
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IMPL_EVENT_HANDLER(chargingtimechange)
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IMPL_EVENT_HANDLER(dischargingtimechange)
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IMPL_EVENT_HANDLER(levelchange)
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private:
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/**
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* Update the battery information stored in the battery manager object using
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* a battery information object.
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*/
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void UpdateFromBatteryInfo(const hal::BatteryInformation& aBatteryInfo);
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double mLevel;
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bool mCharging;
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/**
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* Represents the discharging time or the charging time, dpending on the
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* current battery status (charging or not).
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*/
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double mRemainingTime;
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};
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} // namespace battery
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_battery_BatteryManager_h
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