chrome/browser/chromeos/power/video_activity_notifier.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_POWER_VIDEO_ACTIVITY_NOTIFIER_H_
   6 #define CHROME_BROWSER_CHROMEOS_POWER_VIDEO_ACTIVITY_NOTIFIER_H_
   7
   8 #include "ash/wm/video_detector.h"
   9 #include "base/basictypes.h"
  10 #include "base/compiler_specific.h"
  11 #include "base/time.h"
  12
  13 namespace chromeos {
  14
  15 // Notifies the power manager when a video is playing.
  16 class VideoActivityNotifier : public ash::VideoDetectorObserver {
  17  public:
  18   VideoActivityNotifier();
  19   virtual ~VideoActivityNotifier();
  20
  21   // ash::VideoDetectorObserver implementation.
  22   virtual void OnVideoDetected(bool is_fullscreen) OVERRIDE;
  23
  24  private:
  25   // Last time that the power manager was notified.
  26   base::TimeTicks last_notify_time_;
  27
  28   DISALLOW_COPY_AND_ASSIGN(VideoActivityNotifier);
  29 };
  30
  31 }  // namespace chromeos
  32
  33 #endif  // CHROME_BROWSER_CHROMEOS_POWER_VIDEO_ACTIVITY_NOTIFIER_H_