Revert 117187 - Adding support for MediaStream and PeerConnection functionality.

content/renderer/media/media_stream_impl.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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 CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_
-#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_
-
-#include <list>
-#include <map>
-#include <string>
+#ifndef CONTENT_RENDERER_MEDIA_STREAM_MEDIA_STREAM_IMPL_H_
+#define CONTENT_RENDERER_MEDIA_STREAM_MEDIA_STREAM_IMPL_H_
 
 #include "base/basictypes.h"
-#include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop_proxy.h"
-#include "base/threading/non_thread_safe.h"
-#include "base/threading/thread.h"
-#include "content/common/content_export.h"
-#include "content/renderer/media/media_stream_dispatcher_eventhandler.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebUserMediaClient.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebUserMediaRequest.h"
 #include "webkit/media/media_stream_client.h"
 
-namespace base {
-class WaitableEvent;
-}
+class VideoCaptureImplManager;
 
-namespace content {
-class IpcNetworkManager;
-class IpcPacketSocketFactory;
-class P2PSocketDispatcher;
-}
-
-namespace cricket {
-class WebRtcMediaEngine;
-}
-
-namespace talk_base {
-class Thread;
-}
-
-namespace WebKit {
-class WebPeerConnectionHandler;
-class WebPeerConnectionHandlerClient;
-}
-
-class MediaStreamDispatcher;
-class MediaStreamDependencyFactory;
-class PeerConnectionHandler;
-class VideoCaptureImplManager;
-class RTCVideoDecoder;
-
-// MediaStreamImpl is a delegate for the Media Stream API messages used by
-// WebKit. It ties together WebKit, native PeerConnection in libjingle and
-// MediaStreamManager (via MediaStreamDispatcher and MediaStreamDispatcherHost)
-// in the browser process. It must be created, called and destroyed on the
-// render thread.
-class CONTENT_EXPORT MediaStreamImpl
-    : public WebKit::WebUserMediaClient,
-      public webkit_media::MediaStreamClient,
-      public MediaStreamDispatcherEventHandler,
-      public base::NonThreadSafe,
+// A implementation of StreamClient to provide supporting functions, such as
+// GetVideoDecoder.
+class MediaStreamImpl
+    : public webkit_media::MediaStreamClient,
       public base::RefCountedThreadSafe<MediaStreamImpl> {
  public:
-  MediaStreamImpl(
-      MediaStreamDispatcher* media_stream_dispatcher,
-      content::P2PSocketDispatcher* p2p_socket_dispatcher,
-      VideoCaptureImplManager* vc_manager,
-      MediaStreamDependencyFactory* dependency_factory);
+  explicit MediaStreamImpl(VideoCaptureImplManager* vc_manager);
   virtual ~MediaStreamImpl();
 
-  virtual WebKit::WebPeerConnectionHandler* CreatePeerConnectionHandler(
-      WebKit::WebPeerConnectionHandlerClient* client);
-  virtual void ClosePeerConnection();
-
-  // Returns true if created successfully or already exists, false otherwise.
-  virtual bool SetVideoCaptureModule(const std::string& label);
-
-  // WebKit::WebUserMediaClient implementation
-  virtual void requestUserMedia(
-      const WebKit::WebUserMediaRequest& user_media_request,
-      const WebKit::WebVector<WebKit::WebMediaStreamSource>&
-          media_stream_source_vector) OVERRIDE;
-  virtual void cancelUserMediaRequest(
-      const WebKit::WebUserMediaRequest& user_media_request) OVERRIDE;
-
-  // webkit_media::MediaStreamClient implementation.
+  // Implement webkit_media::StreamClient.
   virtual scoped_refptr<media::VideoDecoder> GetVideoDecoder(
       const GURL& url,
       media::MessageLoopFactory* message_loop_factory) OVERRIDE;
 
-  // MediaStreamDispatcherEventHandler implementation.
-  virtual void OnStreamGenerated(
-      int request_id,
-      const std::string& label,
-      const media_stream::StreamDeviceInfoArray& audio_array,
-      const media_stream::StreamDeviceInfoArray& video_array) OVERRIDE;
-  virtual void OnStreamGenerationFailed(int request_id) OVERRIDE;
-  virtual void OnVideoDeviceFailed(
-      const std::string& label,
-      int index) OVERRIDE;
-  virtual void OnAudioDeviceFailed(
-      const std::string& label,
-      int index) OVERRIDE;
-
  private:
-  FRIEND_TEST_ALL_PREFIXES(MediaStreamImplTest, Basic);
-
-  void InitializeWorkerThread(
-      talk_base::Thread** thread,
-      base::WaitableEvent* event);
-  void DeleteIpcNetworkManager();
-
-  scoped_ptr<MediaStreamDependencyFactory> dependency_factory_;
-
-  // media_stream_dispatcher_ is a weak reference, owned by RenderView. It's
-  // valid for the lifetime of RenderView.
-  MediaStreamDispatcher* media_stream_dispatcher_;
-
-  // media_engine_ is owned by PeerConnectionFactory (which is owned by
-  // dependency_factory_) and is valid for the lifetime of
-  // PeerConnectionFactory.
-  cricket::WebRtcMediaEngine* media_engine_;
-
-  // p2p_socket_dispatcher_ is a weak reference, owned by RenderView. It's valid
-  // for the lifetime of RenderView.
-  content::P2PSocketDispatcher* p2p_socket_dispatcher_;
-
-  // We own network_manager_, must be deleted on the worker thread.
-  content::IpcNetworkManager* network_manager_;
-
-  scoped_ptr<content::IpcPacketSocketFactory> socket_factory_;
-
   scoped_refptr<VideoCaptureImplManager> vc_manager_;
 
-  // peer_connection_handler_ is a weak reference, owned by WebKit. It's valid
-  // until stop is called on it (which will call ClosePeerConnection on us).
-  // TODO(grunell): Support several PeerConnectionsHandlers.
-  PeerConnectionHandler* peer_connection_handler_;
-
-  scoped_refptr<RTCVideoDecoder> rtc_video_decoder_;
-  scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
-
-  // PeerConnection threads. signaling_thread_ is created from the
-  // "current" chrome thread.
-  talk_base::Thread* signaling_thread_;
-  talk_base::Thread* worker_thread_;
-  base::Thread chrome_worker_thread_;
-
-  static int next_request_id_;
-  typedef std::map<int, WebKit::WebUserMediaRequest> MediaRequestMap;
-  MediaRequestMap user_media_requests_;
-
-  std::list<std::string> stream_labels_;
-
-  // Make sure we only create the video capture module once. This is also
-  // temporary and will be handled differently when several PeerConnections
-  // and/or streams is supported.
-  // TODO(grunell): This shall be removed or changed when native PeerConnection
-  // has been updated to closer follow the specification.
-  bool vcm_created_;
-
   DISALLOW_COPY_AND_ASSIGN(MediaStreamImpl);
 };
 
-#endif  // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_
+#endif  // CONTENT_RENDERER_MEDIA_STREAM_MEDIA_STREAM_IMPL_H_