1 /* 2 * Copyright (C) 2012 Google AB. 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 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * 3. Neither the name of Google Inc. nor the names of its contributors 15 * may be used to endorse or promote products derived from this 16 * 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 RTCPeerConnectionHandlerClient_h 32 #define RTCPeerConnectionHandlerClient_h 33 34 #include "wtf/PassRefPtr.h" 35 36 namespace blink { 37 class WebRTCICECandidate; 38 } 39 40 namespace WebCore { 41 42 class MediaStreamDescriptor; 43 class RTCDataChannelHandler; 44 45 class RTCPeerConnectionHandlerClient { 46 public: 47 enum SignalingState { 48 SignalingStateStable = 1, 49 SignalingStateHaveLocalOffer = 2, 50 SignalingStateHaveRemoteOffer = 3, 51 SignalingStateHaveLocalPrAnswer = 4, 52 SignalingStateHaveRemotePrAnswer = 5, 53 SignalingStateClosed = 6, 54 }; 55 56 enum IceConnectionState { 57 IceConnectionStateNew = 1, 58 IceConnectionStateChecking = 2, 59 IceConnectionStateConnected = 3, 60 IceConnectionStateCompleted = 4, 61 IceConnectionStateFailed = 5, 62 IceConnectionStateDisconnected = 6, 63 IceConnectionStateClosed = 7 64 }; 65 66 enum IceGatheringState { 67 IceGatheringStateNew = 1, 68 IceGatheringStateGathering = 2, 69 IceGatheringStateComplete = 3 70 }; 71 ~RTCPeerConnectionHandlerClient()72 virtual ~RTCPeerConnectionHandlerClient() { } 73 74 virtual void negotiationNeeded() = 0; 75 virtual void didGenerateIceCandidate(blink::WebRTCICECandidate) = 0; 76 virtual void didChangeSignalingState(SignalingState) = 0; 77 virtual void didChangeIceGatheringState(IceGatheringState) = 0; 78 virtual void didChangeIceConnectionState(IceConnectionState) = 0; 79 virtual void didAddRemoteStream(PassRefPtr<MediaStreamDescriptor>) = 0; 80 virtual void didRemoveRemoteStream(MediaStreamDescriptor*) = 0; 81 virtual void didAddRemoteDataChannel(PassOwnPtr<RTCDataChannelHandler>) = 0; 82 }; 83 84 } // namespace WebCore 85 86 #endif // RTCPeerConnectionHandlerClient_h 87