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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_POWER_VIDEO_PROPERTY_WRITER_H_
#define CHROME_BROWSER_CHROMEOS_POWER_VIDEO_PROPERTY_WRITER_H_
#pragma once
#include "ash/wm/video_detector.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/time.h"
namespace chromeos {
// Writes a property on the X root window to inform the power manager that a
// video is playing.
class VideoPropertyWriter : public ash::VideoDetectorObserver {
public:
VideoPropertyWriter();
virtual ~VideoPropertyWriter();
// ash::VideoDetectorObserver implementation.
virtual void OnVideoDetected() OVERRIDE;
private:
// Last time that the X property was updated.
base::TimeTicks last_update_time_;
DISALLOW_COPY_AND_ASSIGN(VideoPropertyWriter);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_POWER_VIDEO_PROPERTY_WRITER_H_
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