media/blink/texttrack_impl.h

// 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 MEDIA_BLINK_TEXTTRACK_IMPL_H_
#define MEDIA_BLINK_TEXTTRACK_IMPL_H_

#include <memory>
#include <string>

#include "base/macros.h"
#include "media/base/text_track.h"

namespace base {
class SingleThreadTaskRunner;
}

namespace blink {
class WebMediaPlayerClient;
}

namespace media {

class WebInbandTextTrackImpl;

class TextTrackImpl : public TextTrack {
 public:
  // Constructor assumes ownership of the |text_track| object.
  TextTrackImpl(const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
                blink::WebMediaPlayerClient* client,
                std::unique_ptr<WebInbandTextTrackImpl> text_track);

  ~TextTrackImpl() override;

  void addWebVTTCue(base::TimeDelta start,
                    base::TimeDelta end,
                    const std::string& id,
                    const std::string& content,
                    const std::string& settings) override;

 private:
  static void OnAddCue(WebInbandTextTrackImpl* text_track,
                       base::TimeDelta start,
                       base::TimeDelta end,
                       const std::string& id,
                       const std::string& content,
                       const std::string& settings);

  static void OnRemoveTrack(blink::WebMediaPlayerClient* client,
                            std::unique_ptr<WebInbandTextTrackImpl> text_track);

  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
  blink::WebMediaPlayerClient* client_;
  std::unique_ptr<WebInbandTextTrackImpl> text_track_;
  DISALLOW_COPY_AND_ASSIGN(TextTrackImpl);
};

}  // namespace media

#endif  // MEDIA_BLINK_TEXTTRACK_IMPL_H_