gecko-dev/dom/power/PowerManagerService.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Kan-Ru Chen <kchen@mozilla.com> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef mozilla_dom_power_PowerManagerService_h
#define mozilla_dom_power_PowerManagerService_h
#include "nsCOMPtr.h"
#include "nsDataHashtable.h"
#include "nsHashKeys.h"
#include "nsTArray.h"
#include "nsIPowerManagerService.h"
#include "mozilla/Observer.h"
#include "Types.h"
namespace mozilla {
namespace dom {
namespace power {
class PowerManagerService
: public nsIPowerManagerService
, public WakeLockObserver
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIPOWERMANAGERSERVICE
static already_AddRefed<nsIPowerManagerService> GetInstance();
void Init();
// Implement WakeLockObserver
void Notify(const hal::WakeLockInformation& aWakeLockInfo);
private:
~PowerManagerService();
void ComputeWakeLockState(const hal::WakeLockInformation& aWakeLockInfo,
nsAString &aState);
static nsRefPtr<PowerManagerService> sSingleton;
nsTArray<nsCOMPtr<nsIDOMMozWakeLockListener> > mWakeLockListeners;
};
} // namespace power
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_power_PowerManagerService_h