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
  16 class nsPIDOMWindow;
  17
  18 namespace mozilla {
  19 class ErrorResult;
  20
  21 namespace dom {
  22
  23 class PowerManager MOZ_FINAL : public nsIDOMMozWakeLockListener
  24                              , public nsWrapperCache
  25 {
  26 public:
  27   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  28   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PowerManager)
  29   NS_DECL_NSIDOMMOZWAKELOCKLISTENER
  30
  31   PowerManager()
  32   {
  33     SetIsDOMBinding();
  34   }
  35
  36   nsresult Init(nsIDOMWindow *aWindow);
  37   nsresult Shutdown();
  38
  39   static already_AddRefed<PowerManager> CreateInstance(nsPIDOMWindow*);
  40
  41   // WebIDL
  42   nsIDOMWindow* GetParentObject() const
  43   {
  44     return mWindow;
  45   }
  46   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  47   void Reboot(ErrorResult& aRv);
  48   void FactoryReset();
  49   void PowerOff(ErrorResult& aRv);
  50   void AddWakeLockListener(nsIDOMMozWakeLockListener* aListener);
  51   void RemoveWakeLockListener(nsIDOMMozWakeLockListener* aListener);
  52   void GetWakeLockState(const nsAString& aTopic, nsAString& aState,
  53                         ErrorResult& aRv);
  54   bool ScreenEnabled();
  55   void SetScreenEnabled(bool aEnabled);
  56   bool KeyLightEnabled();
  57   void SetKeyLightEnabled(bool aEnabled);
  58   double ScreenBrightness();
  59   void SetScreenBrightness(double aBrightness, ErrorResult& aRv);
  60   bool CpuSleepAllowed();
  61   void SetCpuSleepAllowed(bool aAllowed);
  62
  63 private:
  64   nsCOMPtr<nsIDOMWindow> mWindow;
  65   nsTArray<nsCOMPtr<nsIDOMMozWakeLockListener> > mListeners;
  66 };
  67
  68 } // namespace dom
  69 } // namespace mozilla
  70
  71 #endif // mozilla_dom_power_PowerManager_h