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
34namespace blink {
35
36class WebMediaStream;
37class WebRTCDataChannelHandler;
38class WebRTCICECandidate;
39
40class WebRTCPeerConnectionHandlerClient {
41public:
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