1 /* 2 * libjingle 3 * Copyright 2013 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "talk/app/webrtc/peerconnectioninterface.h" 29 30 #import "RTCPeerConnection.h" 31 #import "RTCPeerConnectionDelegate.h" 32 33 // These objects are created by RTCPeerConnectionFactory to wrap an 34 // id<RTCPeerConnectionDelegate> and call methods on that interface. 35 36 namespace webrtc { 37 38 class RTCPeerConnectionObserver : public PeerConnectionObserver { 39 40 public: 41 RTCPeerConnectionObserver(RTCPeerConnection* peerConnection); 42 virtual ~RTCPeerConnectionObserver(); 43 44 // Triggered when the SignalingState changed. 45 void OnSignalingChange( 46 PeerConnectionInterface::SignalingState new_state) override; 47 48 // Triggered when media is received on a new stream from remote peer. 49 void OnAddStream(MediaStreamInterface* stream) override; 50 51 // Triggered when a remote peer close a stream. 52 void OnRemoveStream(MediaStreamInterface* stream) override; 53 54 // Triggered when a remote peer open a data channel. 55 void OnDataChannel(DataChannelInterface* data_channel) override; 56 57 // Triggered when renegotiation is needed, for example the ICE has restarted. 58 void OnRenegotiationNeeded() override; 59 60 // Called any time the ICEConnectionState changes 61 void OnIceConnectionChange( 62 PeerConnectionInterface::IceConnectionState new_state) override; 63 64 // Called any time the ICEGatheringState changes 65 void OnIceGatheringChange( 66 PeerConnectionInterface::IceGatheringState new_state) override; 67 68 // New Ice candidate have been found. 69 void OnIceCandidate(const IceCandidateInterface* candidate) override; 70 71 private: 72 __weak RTCPeerConnection* _peerConnection; 73 }; 74 75 } // namespace webrtc 76