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PowerManagerService.h (1738B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 #ifndef mozilla_dom_power_PowerManagerService_h
      7 #define mozilla_dom_power_PowerManagerService_h
      8 
      9 #include "mozilla/HalWakeLockInformation.h"
     10 #include "mozilla/StaticPtr.h"
     11 #include "mozilla/dom/WakeLock.h"
     12 #include "nsCOMPtr.h"
     13 #include "nsHashKeys.h"
     14 #include "nsIDOMWakeLockListener.h"
     15 #include "nsIPowerManagerService.h"
     16 #include "nsTArray.h"
     17 
     18 namespace mozilla::dom {
     19 
     20 class ContentParent;
     21 
     22 namespace power {
     23 
     24 class PowerManagerService : public nsIPowerManagerService,
     25                            public hal::WakeLockObserver {
     26 public:
     27  NS_DECL_ISUPPORTS
     28  NS_DECL_NSIPOWERMANAGERSERVICE
     29 
     30  PowerManagerService() = default;
     31 
     32  static already_AddRefed<PowerManagerService> GetInstance();
     33 
     34  void Init();
     35 
     36  // Implement WakeLockObserver
     37  void Notify(const hal::WakeLockInformation& aWakeLockInfo) override;
     38 
     39  already_AddRefed<WakeLock> NewWakeLock(const nsAString& aTopic,
     40                                         nsPIDOMWindowInner* aWindow,
     41                                         mozilla::ErrorResult& aRv);
     42 
     43 private:
     44  ~PowerManagerService();
     45 
     46  void ComputeWakeLockState(const hal::WakeLockInformation& aWakeLockInfo,
     47                            nsAString& aState);
     48 
     49  static StaticRefPtr<PowerManagerService> sSingleton;
     50 
     51  nsTArray<nsCOMPtr<nsIDOMMozWakeLockListener>> mWakeLockListeners;
     52 };
     53 
     54 }  // namespace power
     55 }  // namespace mozilla::dom
     56 
     57 #endif  // mozilla_dom_power_PowerManagerService_h