1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/dom/battery/BatteryManager.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,94 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#ifndef mozilla_dom_battery_BatteryManager_h 1.10 +#define mozilla_dom_battery_BatteryManager_h 1.11 + 1.12 +#include "Types.h" 1.13 +#include "mozilla/DOMEventTargetHelper.h" 1.14 +#include "mozilla/Observer.h" 1.15 +#include "nsCycleCollectionParticipant.h" 1.16 + 1.17 +class nsPIDOMWindow; 1.18 +class nsIScriptContext; 1.19 + 1.20 +namespace mozilla { 1.21 + 1.22 +namespace hal { 1.23 +class BatteryInformation; 1.24 +} // namespace hal 1.25 + 1.26 +namespace dom { 1.27 +namespace battery { 1.28 + 1.29 +class BatteryManager : public DOMEventTargetHelper 1.30 + , public BatteryObserver 1.31 +{ 1.32 +public: 1.33 + BatteryManager(nsPIDOMWindow* aWindow); 1.34 + 1.35 + void Init(); 1.36 + void Shutdown(); 1.37 + 1.38 + // For IObserver. 1.39 + void Notify(const hal::BatteryInformation& aBatteryInfo); 1.40 + 1.41 + /** 1.42 + * Returns whether the battery api is supported (ie. not disabled by the user) 1.43 + * @return whether the battery api is supported. 1.44 + */ 1.45 + static bool HasSupport(); 1.46 + 1.47 + /** 1.48 + * WebIDL Interface 1.49 + */ 1.50 + 1.51 + nsPIDOMWindow* GetParentObject() const 1.52 + { 1.53 + return GetOwner(); 1.54 + } 1.55 + 1.56 + virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; 1.57 + 1.58 + bool Charging() const 1.59 + { 1.60 + return mCharging; 1.61 + } 1.62 + 1.63 + double ChargingTime() const; 1.64 + 1.65 + double DischargingTime() const; 1.66 + 1.67 + double Level() const 1.68 + { 1.69 + return mLevel; 1.70 + } 1.71 + 1.72 + IMPL_EVENT_HANDLER(chargingchange) 1.73 + IMPL_EVENT_HANDLER(chargingtimechange) 1.74 + IMPL_EVENT_HANDLER(dischargingtimechange) 1.75 + IMPL_EVENT_HANDLER(levelchange) 1.76 + 1.77 +private: 1.78 + /** 1.79 + * Update the battery information stored in the battery manager object using 1.80 + * a battery information object. 1.81 + */ 1.82 + void UpdateFromBatteryInfo(const hal::BatteryInformation& aBatteryInfo); 1.83 + 1.84 + double mLevel; 1.85 + bool mCharging; 1.86 + /** 1.87 + * Represents the discharging time or the charging time, dpending on the 1.88 + * current battery status (charging or not). 1.89 + */ 1.90 + double mRemainingTime; 1.91 +}; 1.92 + 1.93 +} // namespace battery 1.94 +} // namespace dom 1.95 +} // namespace mozilla 1.96 + 1.97 +#endif // mozilla_dom_battery_BatteryManager_h