content/renderer/media/media_stream_center.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 CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CENTER_H_
   6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CENTER_H_
   7
   8 #include <map>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "content/common/content_export.h"
  13 #include "content/common/media/media_stream_options.h"
  14 #include "content/public/renderer/render_process_observer.h"
  15 #include "third_party/WebKit/public/platform/WebMediaStream.h"
  16 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
  17 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
  18 #include "third_party/WebKit/public/platform/WebMediaStreamTrackSourcesRequest.h"
  19
  20 namespace blink {
  21 class WebAudioSourceProvider;
  22 class WebMediaStreamCenterClient;
  23 }
  24
  25 namespace content {
  26 class PeerConnectionDependencyFactory;
  27
  28 class CONTENT_EXPORT MediaStreamCenter
  29     : NON_EXPORTED_BASE(public blink::WebMediaStreamCenter) {
  30  public:
  31   MediaStreamCenter(blink::WebMediaStreamCenterClient* client,
  32                     PeerConnectionDependencyFactory* factory);
  33   ~MediaStreamCenter() override;
  34
  35  private:
  36   void didCreateMediaStreamTrack(
  37       const blink::WebMediaStreamTrack& track) override;
  38
  39   void didEnableMediaStreamTrack(
  40       const blink::WebMediaStreamTrack& track) override;
  41
  42   void didDisableMediaStreamTrack(
  43       const blink::WebMediaStreamTrack& track) override;
  44
  45   void didStopLocalMediaStream(const blink::WebMediaStream& stream) override;
  46
  47   bool didStopMediaStreamTrack(
  48       const blink::WebMediaStreamTrack& track) override;
  49
  50   blink::WebAudioSourceProvider* createWebAudioSourceFromMediaStreamTrack(
  51       const blink::WebMediaStreamTrack& track) override;
  52
  53   void didCreateMediaStream(blink::WebMediaStream& stream) override;
  54
  55   bool didAddMediaStreamTrack(const blink::WebMediaStream& stream,
  56                               const blink::WebMediaStreamTrack& track) override;
  57
  58   bool didRemoveMediaStreamTrack(
  59       const blink::WebMediaStream& stream,
  60       const blink::WebMediaStreamTrack& track) override;
  61
  62   // |rtc_factory_| is a weak pointer and is owned by the RenderThreadImpl.
  63   // It is valid as long as  RenderThreadImpl exist.
  64   PeerConnectionDependencyFactory* rtc_factory_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(MediaStreamCenter);
  67 };
  68
  69 }  // namespace content
  70
  71 #endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_CENTER_H_