chrome/browser/ui/ash/media_delegate_chromeos.h

// Copyright 2014 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_UI_ASH_MEDIA_DELEGATE_CHROMEOS_H_
#define CHROME_BROWSER_UI_ASH_MEDIA_DELEGATE_CHROMEOS_H_

#include "ash/media_delegate.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/media/media_capture_devices_dispatcher.h"

class MediaDelegateChromeOS : public ash::MediaDelegate,
                              MediaCaptureDevicesDispatcher::Observer {
 public:
  MediaDelegateChromeOS();
  virtual ~MediaDelegateChromeOS();

  // ash::MediaDelegate:
  virtual void HandleMediaNextTrack() OVERRIDE;
  virtual void HandleMediaPlayPause() OVERRIDE;
  virtual void HandleMediaPrevTrack() OVERRIDE;
  virtual ash::MediaCaptureState GetMediaCaptureState(
      content::BrowserContext* context) OVERRIDE;

  // MediaCaptureDevicesDispatcher::Observer:
  virtual void OnRequestUpdate(int render_process_id,
                               int render_view_id,
                               const content::MediaStreamDevice& device,
                               const content::MediaRequestState state) OVERRIDE;

 private:
  void NotifyMediaCaptureChange();

  base::WeakPtrFactory<MediaDelegateChromeOS> weak_ptr_factory_;

  DISALLOW_COPY_AND_ASSIGN(MediaDelegateChromeOS);
};

#endif  // CHROME_BROWSER_UI_ASH_MEDIA_DELEGATE_CHROMEOS_H_