dom/power/PowerManager.h

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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 bool CheckPermission(nsPIDOMWindow*);
40
41 static already_AddRefed<PowerManager> CreateInstance(nsPIDOMWindow*);
42
43 // WebIDL
44 nsIDOMWindow* GetParentObject() const
45 {
46 return mWindow;
47 }
48 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
49 void Reboot(ErrorResult& aRv);
50 void FactoryReset();
51 void PowerOff(ErrorResult& aRv);
52 void AddWakeLockListener(nsIDOMMozWakeLockListener* aListener);
53 void RemoveWakeLockListener(nsIDOMMozWakeLockListener* aListener);
54 void GetWakeLockState(const nsAString& aTopic, nsAString& aState,
55 ErrorResult& aRv);
56 bool ScreenEnabled();
57 void SetScreenEnabled(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

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