content/renderer/media/peer_connection_handler_base.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_PEER_CONNECTION_HANDLER_BASE_H_
   6 #define CONTENT_RENDERER_MEDIA_PEER_CONNECTION_HANDLER_BASE_H_
   7
   8 #include <map>
   9 #include <string>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "base/message_loop/message_loop_proxy.h"
  13 #include "content/common/content_export.h"
  14 #include "third_party/WebKit/public/platform/WebMediaStream.h"
  15 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
  16 #include "third_party/libjingle/source/talk/app/webrtc/mediastream.h"
  17 #include "third_party/libjingle/source/talk/app/webrtc/peerconnectioninterface.h"
  18
  19 namespace content {
  20 class MediaStreamDependencyFactory;
  21 class RemoteMediaStreamImpl;
  22
  23 // PeerConnectionHandlerBase is the base class of a delegate for the
  24 // PeerConnection API messages going between WebKit and native
  25 // PeerConnection in libjingle.
  26 class CONTENT_EXPORT PeerConnectionHandlerBase
  27     : NON_EXPORTED_BASE(public webrtc::PeerConnectionObserver) {
  28  public:
  29   PeerConnectionHandlerBase(
  30       MediaStreamDependencyFactory* dependency_factory);
  31
  32  protected:
  33   virtual ~PeerConnectionHandlerBase();
  34
  35   void AddStream(const blink::WebMediaStream& stream);
  36   bool AddStream(const blink::WebMediaStream& stream,
  37                  const webrtc::MediaConstraintsInterface* constraints);
  38   void RemoveStream(const blink::WebMediaStream& stream);
  39
  40   // dependency_factory_ is a raw pointer, and is valid for the lifetime of
  41   // MediaStreamImpl.
  42   MediaStreamDependencyFactory* dependency_factory_;
  43
  44   // native_peer_connection_ is the native PeerConnection object,
  45   // it handles the ICE processing and media engine.
  46   scoped_refptr<webrtc::PeerConnectionInterface> native_peer_connection_;
  47
  48   typedef std::map<webrtc::MediaStreamInterface*,
  49       content::RemoteMediaStreamImpl*> RemoteStreamMap;
  50   RemoteStreamMap remote_streams_;
  51
  52   // The message loop we are created on and on which to make calls to WebKit.
  53   // This should be the render thread message loop.
  54   scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(PeerConnectionHandlerBase);
  57 };
  58
  59 }  // namespace content
  60
  61 #endif  // CONTENT_RENDERER_MEDIA_PEER_CONNECTION_HANDLER_BASE_H_