1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebRTCPeerConnectionHandlerClient_h 32 #define WebRTCPeerConnectionHandlerClient_h 33 34 namespace blink { 35 36 class WebMediaStream; 37 class WebRTCDataChannelHandler; 38 class WebRTCICECandidate; 39 40 class WebRTCPeerConnectionHandlerClient { 41 public: 42 enum SignalingState { 43 SignalingStateStable = 1, 44 SignalingStateHaveLocalOffer = 2, 45 SignalingStateHaveRemoteOffer = 3, 46 SignalingStateHaveLocalPrAnswer = 4, 47 SignalingStateHaveRemotePrAnswer = 5, 48 SignalingStateClosed = 6, 49 }; 50 51 enum ICEConnectionState { 52 ICEConnectionStateNew = 1, 53 ICEConnectionStateChecking = 2, 54 ICEConnectionStateConnected = 3, 55 ICEConnectionStateCompleted = 4, 56 ICEConnectionStateFailed = 5, 57 ICEConnectionStateDisconnected = 6, 58 ICEConnectionStateClosed = 7, 59 60 // DEPRECATED 61 ICEConnectionStateStarting = 1, 62 }; 63 64 enum ICEGatheringState { 65 ICEGatheringStateNew = 1, 66 ICEGatheringStateGathering = 2, 67 ICEGatheringStateComplete = 3 68 }; 69 70 virtual ~WebRTCPeerConnectionHandlerClient() { } 71 72 virtual void negotiationNeeded() = 0; 73 virtual void didGenerateICECandidate(const WebRTCICECandidate&) = 0; 74 virtual void didChangeSignalingState(SignalingState) = 0; 75 virtual void didChangeICEGatheringState(ICEGatheringState) = 0; 76 virtual void didChangeICEConnectionState(ICEConnectionState) = 0; 77 virtual void didAddRemoteStream(const WebMediaStream&) = 0; 78 virtual void didRemoveRemoteStream(const WebMediaStream&) = 0; 79 virtual void didAddRemoteDataChannel(WebRTCDataChannelHandler*) = 0; 80 virtual void releasePeerConnectionHandler() = 0; 81 virtual void closePeerConnection() { } 82 }; 83 84 } // namespace blink 85 86 #endif // WebRTCPeerConnectionHandlerClient_h 87