content/renderer/media/media_stream_track.h

   1 // Copyright 2014 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 CONTENT_RENDERER_MEDIA_MEDIA_STREAM_TRACK_H_
   6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_TRACK_H_
   7
   8 #include "base/callback.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/threading/thread_checker.h"
  12 #include "content/common/content_export.h"
  13 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
  14
  15 namespace webrtc {
  16 class AudioTrackInterface;
  17 class MediaStreamTrackInterface;
  18 }  // namespace webrtc
  19
  20 namespace content {
  21
  22 // MediaStreamTrack is a Chrome representation of blink::WebMediaStreamTrack.
  23 // It is owned by blink::WebMediaStreamTrack as
  24 // blink::WebMediaStreamTrack::ExtraData.
  25 class CONTENT_EXPORT MediaStreamTrack
  26     : NON_EXPORTED_BASE(public blink::WebMediaStreamTrack::ExtraData) {
  27  public:
  28   explicit MediaStreamTrack(bool is_local_track);
  29   virtual ~MediaStreamTrack();
  30
  31   static MediaStreamTrack* GetTrack(
  32       const blink::WebMediaStreamTrack& track);
  33
  34   virtual void SetEnabled(bool enabled) = 0;
  35
  36   virtual void Stop() = 0;
  37
  38   // TODO(tommi, xians): Remove this method.
  39   virtual webrtc::AudioTrackInterface* GetAudioAdapter();
  40
  41   bool is_local_track() const { return is_local_track_; }
  42
  43  protected:
  44   const bool is_local_track_;
  45
  46   base::ThreadChecker thread_checker_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(MediaStreamTrack);
  49 };
  50
  51 }  // namespace content
  52
  53 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_TRACK_H_