// 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 COBALT_MEDIA_PLAYER_WEB_MEDIA_PLAYER_PROXY_H_
#define COBALT_MEDIA_PLAYER_WEB_MEDIA_PLAYER_PROXY_H_

#include <memory>
#include <utility>

#include "base/memory/ref_counted.h"
#include "base/message_loop/message_loop.h"
#include "cobalt/media/base/data_source.h"

namespace cobalt {
namespace media {

class WebMediaPlayerImpl;

// Acts as a thread proxy between the various threads used for multimedia and
// the render thread that WebMediaPlayerImpl is running on.
class WebMediaPlayerProxy
    : public base::RefCountedThreadSafe<WebMediaPlayerProxy> {
 public:
  WebMediaPlayerProxy(
      const scoped_refptr<base::SingleThreadTaskRunner>& render_loop,
      WebMediaPlayerImpl* webmediaplayer);
  DataSource* data_source() { return data_source_.get(); }
  void set_data_source(std::unique_ptr<DataSource> data_source) {
    data_source_ = std::move(data_source);
  }

  void Detach();
  void AbortDataSource();

 private:
  friend class base::RefCountedThreadSafe<WebMediaPlayerProxy>;
  virtual ~WebMediaPlayerProxy();

  // The render message loop where the renderer lives.
  scoped_refptr<base::SingleThreadTaskRunner> render_loop_;
  WebMediaPlayerImpl* webmediaplayer_;

  std::unique_ptr<DataSource> data_source_;

  DISALLOW_IMPLICIT_CONSTRUCTORS(WebMediaPlayerProxy);
};

}  // namespace media
}  // namespace cobalt

#endif  // COBALT_MEDIA_PLAYER_WEB_MEDIA_PLAYER_PROXY_H_