1 /* 2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_CONDUCTOR_H_ 12 #define WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_CONDUCTOR_H_ 13 #pragma once 14 15 #include <deque> 16 #include <map> 17 #include <set> 18 #include <string> 19 20 #include "talk/app/webrtc/mediastreaminterface.h" 21 #include "talk/app/webrtc/peerconnectioninterface.h" 22 #include "webrtc/examples/peerconnection/client/main_wnd.h" 23 #include "webrtc/examples/peerconnection/client/peer_connection_client.h" 24 #include "webrtc/base/scoped_ptr.h" 25 26 namespace webrtc { 27 class VideoCaptureModule; 28 } // namespace webrtc 29 30 namespace cricket { 31 class VideoRenderer; 32 } // namespace cricket 33 34 class Conductor 35 : public webrtc::PeerConnectionObserver, 36 public webrtc::CreateSessionDescriptionObserver, 37 public PeerConnectionClientObserver, 38 public MainWndCallback { 39 public: 40 enum CallbackID { 41 MEDIA_CHANNELS_INITIALIZED = 1, 42 PEER_CONNECTION_CLOSED, 43 SEND_MESSAGE_TO_PEER, 44 NEW_STREAM_ADDED, 45 STREAM_REMOVED, 46 }; 47 48 Conductor(PeerConnectionClient* client, MainWindow* main_wnd); 49 50 bool connection_active() const; 51 52 virtual void Close(); 53 54 protected: 55 ~Conductor(); 56 bool InitializePeerConnection(); 57 bool ReinitializePeerConnectionForLoopback(); 58 bool CreatePeerConnection(bool dtls); 59 void DeletePeerConnection(); 60 void EnsureStreamingUI(); 61 void AddStreams(); 62 cricket::VideoCapturer* OpenVideoCaptureDevice(); 63 64 // 65 // PeerConnectionObserver implementation. 66 // 67 virtual void OnStateChange( 68 webrtc::PeerConnectionObserver::StateType state_changed) {} 69 virtual void OnAddStream(webrtc::MediaStreamInterface* stream); 70 virtual void OnRemoveStream(webrtc::MediaStreamInterface* stream); 71 virtual void OnDataChannel(webrtc::DataChannelInterface* channel) {} 72 virtual void OnRenegotiationNeeded() {} 73 virtual void OnIceChange() {} 74 virtual void OnIceCandidate(const webrtc::IceCandidateInterface* candidate); 75 76 // 77 // PeerConnectionClientObserver implementation. 78 // 79 80 virtual void OnSignedIn(); 81 82 virtual void OnDisconnected(); 83 84 virtual void OnPeerConnected(int id, const std::string& name); 85 86 virtual void OnPeerDisconnected(int id); 87 88 virtual void OnMessageFromPeer(int peer_id, const std::string& message); 89 90 virtual void OnMessageSent(int err); 91 92 virtual void OnServerConnectionFailure(); 93 94 // 95 // MainWndCallback implementation. 96 // 97 98 virtual void StartLogin(const std::string& server, int port); 99 100 virtual void DisconnectFromServer(); 101 102 virtual void ConnectToPeer(int peer_id); 103 104 virtual void DisconnectFromCurrentPeer(); 105 106 virtual void UIThreadCallback(int msg_id, void* data); 107 108 // CreateSessionDescriptionObserver implementation. 109 virtual void OnSuccess(webrtc::SessionDescriptionInterface* desc); 110 virtual void OnFailure(const std::string& error); 111 112 protected: 113 // Send a message to the remote peer. 114 void SendMessage(const std::string& json_object); 115 116 int peer_id_; 117 bool loopback_; 118 rtc::scoped_refptr<webrtc::PeerConnectionInterface> peer_connection_; 119 rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> 120 peer_connection_factory_; 121 PeerConnectionClient* client_; 122 MainWindow* main_wnd_; 123 std::deque<std::string*> pending_messages_; 124 std::map<std::string, rtc::scoped_refptr<webrtc::MediaStreamInterface> > 125 active_streams_; 126 std::string server_; 127 }; 128 129 #endif // WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_CONDUCTOR_H_ 130
