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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_battery_BatteryManager_h
#define mozilla_dom_battery_BatteryManager_h
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/HalBatteryInformation.h"
#include "nsCycleCollectionParticipant.h"
namespace mozilla {
namespace hal {
class BatteryInformation;
} // namespace hal
namespace dom {
namespace battery {
class BatteryManager : public DOMEventTargetHelper,
public hal::BatteryObserver {
public:
explicit BatteryManager(nsPIDOMWindowInner* aWindow);
void Init();
void Shutdown();
// For IObserver.
void Notify(const hal::BatteryInformation& aBatteryInfo) override;
/**
* WebIDL Interface
*/
nsPIDOMWindowInner* GetParentObject() const { return GetOwner(); }
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
bool Charging() const;
double ChargingTime() const;
double DischargingTime() const;
double Level() const;
IMPL_EVENT_HANDLER(chargingchange)
IMPL_EVENT_HANDLER(chargingtimechange)
IMPL_EVENT_HANDLER(dischargingtimechange)
IMPL_EVENT_HANDLER(levelchange)
private:
/**
* Update the battery information stored in the battery manager object using
* a battery information object.
*/
void UpdateFromBatteryInfo(const hal::BatteryInformation& aBatteryInfo);
/**
* Represents the battery level, ranging from 0.0 (dead or removed?)
* to 1.0 (fully charged)
*/
double mLevel;
bool mCharging;
/**
* Represents the discharging time or the charging time, depending on the
* current battery status (charging or not).
*/
double mRemainingTime;
};
} // namespace battery
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_battery_BatteryManager_h
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