1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 * Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(MEDIA_STREAM)
29
30#include "URLRegistry.h"
31#include <wtf/Function.h>
32#include <wtf/HashMap.h>
33#include <wtf/text/StringHash.h>
34
35namespace WebCore {
36
37class MediaStream;
38class MediaStreamPrivate;
39
40class MediaStreamRegistry final : public URLRegistry {
41public:
42 friend class NeverDestroyed<MediaStreamRegistry>;
43
44 // Returns a single instance of MediaStreamRegistry.
45 static MediaStreamRegistry& shared();
46
47 // Registers a blob URL referring to the specified stream data.
48 void registerURL(SecurityOrigin*, const URL&, URLRegistrable&) override;
49 void unregisterURL(const URL&) override;
50
51 URLRegistrable* lookup(const String&) const override;
52
53 void registerStream(MediaStream&);
54 void unregisterStream(MediaStream&);
55
56 MediaStream* lookUp(const URL&) const;
57
58 void forEach(const WTF::Function<void(MediaStream&)>&) const;
59
60private:
61 MediaStreamRegistry() = default;
62 HashMap<String, RefPtr<MediaStream>> m_mediaStreams;
63};
64
65} // namespace WebCore
66
67#endif // ENABLE(MEDIA_STREAM)
68