3 * Copyright 2013, Google Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
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11 * this list of conditions and the following disclaimer in the documentation
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28 #import <Foundation/Foundation.h>
32 @class RTCDataChannel;
33 @class RTCICECandidate;
34 @class RTCMediaStream;
35 @class RTCPeerConnection;
37 // RTCPeerConnectionDelegate is a protocol for an object that must be
38 // implemented to get messages from PeerConnection.
39 @protocol RTCPeerConnectionDelegate<NSObject>
41 // Triggered when the SignalingState changed.
42 - (void)peerConnection:(RTCPeerConnection *)peerConnection
43 signalingStateChanged:(RTCSignalingState)stateChanged;
45 // Triggered when media is received on a new stream from remote peer.
46 - (void)peerConnection:(RTCPeerConnection *)peerConnection
47 addedStream:(RTCMediaStream *)stream;
49 // Triggered when a remote peer close a stream.
50 - (void)peerConnection:(RTCPeerConnection *)peerConnection
51 removedStream:(RTCMediaStream *)stream;
53 // Triggered when renegotiation is needed, for example the ICE has restarted.
54 - (void)peerConnectionOnRenegotiationNeeded:(RTCPeerConnection *)peerConnection;
56 // Called any time the ICEConnectionState changes.
57 - (void)peerConnection:(RTCPeerConnection *)peerConnection
58 iceConnectionChanged:(RTCICEConnectionState)newState;
60 // Called any time the ICEGatheringState changes.
61 - (void)peerConnection:(RTCPeerConnection *)peerConnection
62 iceGatheringChanged:(RTCICEGatheringState)newState;
64 // New Ice candidate have been found.
65 - (void)peerConnection:(RTCPeerConnection *)peerConnection
66 gotICECandidate:(RTCICECandidate *)candidate;
68 // New data channel has been opened.
69 - (void)peerConnection:(RTCPeerConnection*)peerConnection
70 didOpenDataChannel:(RTCDataChannel*)dataChannel;