dom/power/PowerManager.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5 #ifndef mozilla_dom_power_PowerManager_h
   6 #define mozilla_dom_power_PowerManager_h
   7
   8 #include "nsCOMPtr.h"
   9 #include "nsTArray.h"
  10 #include "nsIDOMWakeLockListener.h"
  11 #include "nsIDOMWindow.h"
  12 #include "nsWeakReference.h"
  13 #include "nsCycleCollectionParticipant.h"
  14 #include "nsWrapperCache.h"
  15 #include "mozilla/dom/MozPowerManagerBinding.h"
  16
  17 class nsPIDOMWindow;
  18
  19 namespace mozilla {
  20 class ErrorResult;
  21
  22 namespace dom {
  23
  24 class PowerManager MOZ_FINAL : public nsIDOMMozWakeLockListener
  25                              , public nsWrapperCache
  26 {
  27 public:
  28   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  29   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PowerManager)
  30   NS_DECL_NSIDOMMOZWAKELOCKLISTENER
  31
  32   PowerManager()
  33   {
  34     SetIsDOMBinding();
  35   }
  36
  37   nsresult Init(nsIDOMWindow *aWindow);
  38   nsresult Shutdown();
  39
  40   static already_AddRefed<PowerManager> CreateInstance(nsPIDOMWindow*);
  41
  42   // WebIDL
  43   nsIDOMWindow* GetParentObject() const
  44   {
  45     return mWindow;
  46   }
  47   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  48   void Reboot(ErrorResult& aRv);
  49   void FactoryReset(mozilla::dom::FactoryResetReason& aReason);
  50   void PowerOff(ErrorResult& aRv);
  51   void AddWakeLockListener(nsIDOMMozWakeLockListener* aListener);
  52   void RemoveWakeLockListener(nsIDOMMozWakeLockListener* aListener);
  53   void GetWakeLockState(const nsAString& aTopic, nsAString& aState,
  54                         ErrorResult& aRv);
  55   bool ScreenEnabled();
  56   void SetScreenEnabled(bool aEnabled);
  57   bool KeyLightEnabled();
  58   void SetKeyLightEnabled(bool aEnabled);
  59   double ScreenBrightness();
  60   void SetScreenBrightness(double aBrightness, ErrorResult& aRv);
  61   bool CpuSleepAllowed();
  62   void SetCpuSleepAllowed(bool aAllowed);
  63
  64 private:
  65   ~PowerManager() {}
  66
  67   nsCOMPtr<nsIDOMWindow> mWindow;
  68   nsTArray<nsCOMPtr<nsIDOMMozWakeLockListener> > mListeners;
  69 };
  70
  71 } // namespace dom
  72 } // namespace mozilla
  73
  74 #endif // mozilla_dom_power_PowerManager_h