/* -*- 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 "Types.h" #include "mozilla/DOMEventTargetHelper.h" #include "mozilla/Observer.h" #include "nsCycleCollectionParticipant.h" namespace mozilla { namespace hal { class BatteryInformation; } // namespace hal namespace dom { namespace battery { class BatteryManager : public DOMEventTargetHelper , public 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