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
36namespace blink {
37class WebRTCICECandidate;
38}
39
40namespace WebCore {
41
42class MediaStreamDescriptor;
43class RTCDataChannelHandler;
44
45class RTCPeerConnectionHandlerClient {
46public:
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
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