Implement client-side video stream support for WebRTC-based protocol.

remoting/protocol/webrtc_connection_to_host.h

 // Copyright 2015 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 REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_
 #define REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "remoting/protocol/channel_dispatcher_base.h"
 #include "remoting/protocol/clipboard_filter.h"
 #include "remoting/protocol/connection_to_host.h"
 #include "remoting/protocol/errors.h"
 #include "remoting/protocol/input_filter.h"
 #include "remoting/protocol/session.h"
 #include "remoting/protocol/webrtc_transport.h"
 
 namespace remoting {
 namespace protocol {
 
 class ClientControlDispatcher;
 class ClientEventDispatcher;
 class SessionConfig;
+class WebrtcVideoRendererAdapter;
 
 class WebrtcConnectionToHost : public ConnectionToHost,
                                public Session::EventHandler,
                                public WebrtcTransport::EventHandler,
                                public ChannelDispatcherBase::EventHandler {
  public:
   WebrtcConnectionToHost();
   ~WebrtcConnectionToHost() override;
 
   // ConnectionToHost interface.
@@ skipping 11 matching lines @@
   State state() const override;
 
  private:
   // Session::EventHandler interface.
   void OnSessionStateChange(Session::State state) override;
 
   // WebrtcTransport::EventHandler interface.
   void OnWebrtcTransportConnecting() override;
   void OnWebrtcTransportConnected() override;
   void OnWebrtcTransportError(ErrorCode error) override;
+  void OnWebrtcTransportMediaStreamAdded(
+      scoped_refptr<webrtc::MediaStreamInterface> stream) override;
+  void OnWebrtcTransportMediaStreamRemoved(
+      scoped_refptr<webrtc::MediaStreamInterface> stream) override;
 
   // ChannelDispatcherBase::EventHandler interface.
   void OnChannelInitialized(ChannelDispatcherBase* channel_dispatcher) override;
   void OnChannelError(ChannelDispatcherBase* channel_dispatcher,
                       ErrorCode error) override;
 
   void NotifyIfChannelsReady();
 
   void CloseChannels();
 
   void SetState(State state, ErrorCode error);
 
   HostEventCallback* event_callback_ = nullptr;
 
   // Stub for incoming messages.
   ClientStub* client_stub_ = nullptr;
+  VideoRenderer* video_renderer_ = nullptr;
   ClipboardStub* clipboard_stub_ = nullptr;
 
   scoped_ptr<Session> session_;
   scoped_ptr<WebrtcTransport> transport_;
 
   scoped_ptr<ClientControlDispatcher> control_dispatcher_;
   scoped_ptr<ClientEventDispatcher> event_dispatcher_;
   ClipboardFilter clipboard_forwarder_;
   InputFilter event_forwarder_;
 
+  scoped_ptr<WebrtcVideoRendererAdapter> video_adapter_;
+
   // Internal state of the connection.
   State state_ = INITIALIZING;
   ErrorCode error_ = OK;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebrtcConnectionToHost);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_