1 /*
2  * Copyright (C) 2011 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
6  * are met:
7  * 1.  Redistributions of source code must retain the above copyright
8  *     notice, this list of conditions and the following disclaimer.
9  * 2.  Redistributions in binary form must reproduce the above copyright
10  *     notice, this list of conditions and the following disclaimer in the
11  *     documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24 
25 #ifndef MediaStreamController_h
26 #define MediaStreamController_h
27 
28 #if ENABLE(MEDIA_STREAM)
29 
30 #include <wtf/Forward.h>
31 #include <wtf/HashMap.h>
32 #include <wtf/Noncopyable.h>
33 
34 namespace WebCore {
35 
36 class MediaStreamClient;
37 class MediaStreamFrameController;
38 
39 class MediaStreamController {
40     WTF_MAKE_NONCOPYABLE(MediaStreamController);
41 public:
42     MediaStreamController(MediaStreamClient*);
43     virtual ~MediaStreamController();
44 
45     void unregisterFrameController(MediaStreamFrameController*);
46 
47 private:
48     int registerRequest(int localRequestId, MediaStreamFrameController*);
49 
50     class Request;
51     typedef HashMap<int, Request> RequestMap;
52 
53     RequestMap m_requests;
54 
55     MediaStreamClient* m_client;
56     int m_nextGlobalRequestId;
57 };
58 
59 } // namespace WebCore
60 
61 #endif // ENABLE(MEDIA_STREAM)
62 
63 #endif // MediaStreamController_h
64