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// Copyright 2013 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 ASH_SYSTEM_CHROMEOS_POWER_VIDEO_ACTIVITY_NOTIFIER_H_
#define ASH_SYSTEM_CHROMEOS_POWER_VIDEO_ACTIVITY_NOTIFIER_H_
#include "ash/wm/video_detector.h"
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/time/time.h"
namespace ash {
// Notifies the power manager when a video is playing.
class VideoActivityNotifier : public VideoDetectorObserver,
public ShellObserver {
public:
explicit VideoActivityNotifier(VideoDetector* detector);
virtual ~VideoActivityNotifier();
// VideoDetectorObserver implementation.
virtual void OnVideoDetected(bool is_fullscreen) OVERRIDE;
// ShellObserver implementation.
virtual void OnLockStateChanged(bool locked) OVERRIDE;
private:
VideoDetector* detector_; // not owned
// Last time that the power manager was notified.
base::TimeTicks last_notify_time_;
// True if the screen is currently locked.
bool screen_is_locked_;
DISALLOW_COPY_AND_ASSIGN(VideoActivityNotifier);
};
} // namespace ash
#endif // ASH_SYSTEM_CHROMEOS_POWER_VIDEO_ACTIVITY_NOTIFIER_H_
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