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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 WebRTCPeerConnectionHandler_h
32 #define WebRTCPeerConnectionHandler_h
33 
34 namespace blink {
35 
36 class WebMediaConstraints;
37 class WebMediaStream;
38 class WebMediaStreamTrack;
39 class WebRTCConfiguration;
40 class WebRTCDTMFSenderHandler;
41 class WebRTCDataChannelHandler;
42 class WebRTCICECandidate;
43 class WebRTCOfferOptions;
44 class WebRTCPeerConnectionHandlerClient;
45 class WebRTCSessionDescription;
46 class WebRTCSessionDescriptionRequest;
47 class WebRTCStatsRequest;
48 class WebRTCVoidRequest;
49 class WebString;
50 struct WebRTCDataChannelInit;
51 
52 class WebRTCPeerConnectionHandler {
53 public:
~WebRTCPeerConnectionHandler()54     virtual ~WebRTCPeerConnectionHandler() { }
55 
56     virtual bool initialize(const WebRTCConfiguration&, const WebMediaConstraints&) = 0;
57 
58     virtual void createOffer(const WebRTCSessionDescriptionRequest&, const WebMediaConstraints&) = 0;
createOffer(const WebRTCSessionDescriptionRequest &,const WebRTCOfferOptions &)59     virtual void createOffer(const WebRTCSessionDescriptionRequest&, const WebRTCOfferOptions&) { }
60     virtual void createAnswer(const WebRTCSessionDescriptionRequest&, const WebMediaConstraints&) = 0;
61     virtual void setLocalDescription(const WebRTCVoidRequest&, const WebRTCSessionDescription&) = 0;
62     virtual void setRemoteDescription(const WebRTCVoidRequest&, const WebRTCSessionDescription&) = 0;
63     virtual WebRTCSessionDescription localDescription() = 0;
64     virtual WebRTCSessionDescription remoteDescription() = 0;
65     virtual bool updateICE(const WebRTCConfiguration&, const WebMediaConstraints&) = 0;
66 
67     // DEPRECATED
addICECandidate(const WebRTCICECandidate &)68     virtual bool addICECandidate(const WebRTCICECandidate&) { return false; }
69 
addICECandidate(const WebRTCVoidRequest &,const WebRTCICECandidate &)70     virtual bool addICECandidate(const WebRTCVoidRequest&, const WebRTCICECandidate&) { return false; }
71     virtual bool addStream(const WebMediaStream&, const WebMediaConstraints&) = 0;
72     virtual void removeStream(const WebMediaStream&) = 0;
73     virtual void getStats(const WebRTCStatsRequest&) = 0;
74     virtual WebRTCDataChannelHandler* createDataChannel(const WebString& label, const WebRTCDataChannelInit&) = 0;
75     virtual WebRTCDTMFSenderHandler* createDTMFSender(const WebMediaStreamTrack&) = 0;
76     virtual void stop() = 0;
77 };
78 
79 } // namespace blink
80 
81 #endif // WebRTCPeerConnectionHandler_h
82