1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/power/PowerManagerService.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,80 @@
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 +#ifndef mozilla_dom_power_PowerManagerService_h
1.9 +#define mozilla_dom_power_PowerManagerService_h
1.10 +
1.11 +#include "nsCOMPtr.h"
1.12 +#include "nsDataHashtable.h"
1.13 +#include "nsHashKeys.h"
1.14 +#include "nsTArray.h"
1.15 +#include "nsIPowerManagerService.h"
1.16 +#include "mozilla/Observer.h"
1.17 +#include "Types.h"
1.18 +#include "mozilla/StaticPtr.h"
1.19 +#include "mozilla/dom/WakeLock.h"
1.20 +
1.21 +namespace mozilla {
1.22 +namespace dom {
1.23 +
1.24 +class ContentParent;
1.25 +
1.26 +namespace power {
1.27 +
1.28 +class PowerManagerService
1.29 + : public nsIPowerManagerService
1.30 + , public WakeLockObserver
1.31 +{
1.32 +public:
1.33 + NS_DECL_ISUPPORTS
1.34 + NS_DECL_NSIPOWERMANAGERSERVICE
1.35 +
1.36 + static already_AddRefed<PowerManagerService> GetInstance();
1.37 +
1.38 + void Init();
1.39 +
1.40 + // Implement WakeLockObserver
1.41 + void Notify(const hal::WakeLockInformation& aWakeLockInfo);
1.42 +
1.43 + /**
1.44 + * Acquire a wake lock on behalf of a given process (aContentParent).
1.45 + *
1.46 + * This method stands in contrast to nsIPowerManagerService::NewWakeLock,
1.47 + * which acquires a wake lock on behalf of the /current/ process.
1.48 + *
1.49 + * NewWakeLockOnBehalfOfProcess is different from NewWakeLock in that
1.50 + *
1.51 + * - The wake lock unlocks itself if the /given/ process dies, and
1.52 + * - The /given/ process shows up in WakeLockInfo::lockingProcesses.
1.53 + *
1.54 + */
1.55 + already_AddRefed<WakeLock>
1.56 + NewWakeLockOnBehalfOfProcess(const nsAString& aTopic,
1.57 + ContentParent* aContentParent);
1.58 +
1.59 + already_AddRefed<WakeLock>
1.60 + NewWakeLock(const nsAString& aTopic, nsIDOMWindow* aWindow,
1.61 + mozilla::ErrorResult& aRv);
1.62 +
1.63 +private:
1.64 +
1.65 + ~PowerManagerService();
1.66 +
1.67 + void ComputeWakeLockState(const hal::WakeLockInformation& aWakeLockInfo,
1.68 + nsAString &aState);
1.69 +
1.70 + void SyncProfile();
1.71 +
1.72 + static StaticRefPtr<PowerManagerService> sSingleton;
1.73 +
1.74 + nsTArray<nsCOMPtr<nsIDOMMozWakeLockListener> > mWakeLockListeners;
1.75 +
1.76 + int32_t mWatchdogTimeoutSecs;
1.77 +};
1.78 +
1.79 +} // namespace power
1.80 +} // namespace dom
1.81 +} // namespace mozilla
1.82 +
1.83 +#endif // mozilla_dom_power_PowerManagerService_h
