dom/power/PowerManagerService.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5 #ifndef mozilla_dom_power_PowerManagerService_h
michael@0 6 #define mozilla_dom_power_PowerManagerService_h
michael@0 7
michael@0 8 #include "nsCOMPtr.h"
michael@0 9 #include "nsDataHashtable.h"
michael@0 10 #include "nsHashKeys.h"
michael@0 11 #include "nsTArray.h"
michael@0 12 #include "nsIPowerManagerService.h"
michael@0 13 #include "mozilla/Observer.h"
michael@0 14 #include "Types.h"
michael@0 15 #include "mozilla/StaticPtr.h"
michael@0 16 #include "mozilla/dom/WakeLock.h"
michael@0 17
michael@0 18 namespace mozilla {
michael@0 19 namespace dom {
michael@0 20
michael@0 21 class ContentParent;
michael@0 22
michael@0 23 namespace power {
michael@0 24
michael@0 25 class PowerManagerService
michael@0 26 : public nsIPowerManagerService
michael@0 27 , public WakeLockObserver
michael@0 28 {
michael@0 29 public:
michael@0 30 NS_DECL_ISUPPORTS
michael@0 31 NS_DECL_NSIPOWERMANAGERSERVICE
michael@0 32
michael@0 33 static already_AddRefed<PowerManagerService> GetInstance();
michael@0 34
michael@0 35 void Init();
michael@0 36
michael@0 37 // Implement WakeLockObserver
michael@0 38 void Notify(const hal::WakeLockInformation& aWakeLockInfo);
michael@0 39
michael@0 40 /**
michael@0 41 * Acquire a wake lock on behalf of a given process (aContentParent).
michael@0 42 *
michael@0 43 * This method stands in contrast to nsIPowerManagerService::NewWakeLock,
michael@0 44 * which acquires a wake lock on behalf of the /current/ process.
michael@0 45 *
michael@0 46 * NewWakeLockOnBehalfOfProcess is different from NewWakeLock in that
michael@0 47 *
michael@0 48 * - The wake lock unlocks itself if the /given/ process dies, and
michael@0 49 * - The /given/ process shows up in WakeLockInfo::lockingProcesses.
michael@0 50 *
michael@0 51 */
michael@0 52 already_AddRefed<WakeLock>
michael@0 53 NewWakeLockOnBehalfOfProcess(const nsAString& aTopic,
michael@0 54 ContentParent* aContentParent);
michael@0 55
michael@0 56 already_AddRefed<WakeLock>
michael@0 57 NewWakeLock(const nsAString& aTopic, nsIDOMWindow* aWindow,
michael@0 58 mozilla::ErrorResult& aRv);
michael@0 59
michael@0 60 private:
michael@0 61
michael@0 62 ~PowerManagerService();
michael@0 63
michael@0 64 void ComputeWakeLockState(const hal::WakeLockInformation& aWakeLockInfo,
michael@0 65 nsAString &aState);
michael@0 66
michael@0 67 void SyncProfile();
michael@0 68
michael@0 69 static StaticRefPtr<PowerManagerService> sSingleton;
michael@0 70
michael@0 71 nsTArray<nsCOMPtr<nsIDOMMozWakeLockListener> > mWakeLockListeners;
michael@0 72
michael@0 73 int32_t mWatchdogTimeoutSecs;
michael@0 74 };
michael@0 75
michael@0 76 } // namespace power
michael@0 77 } // namespace dom
michael@0 78 } // namespace mozilla
michael@0 79
michael@0 80 #endif // mozilla_dom_power_PowerManagerService_h

mercurial