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#include "config.h"
26#include "modules/mediastream/MediaStreamRegistry.h"
27
28#include "core/html/HTMLMediaElement.h"
29#include "modules/mediastream/MediaStream.h"
30#include "platform/weborigin/KURL.h"
31#include "wtf/MainThread.h"
32
33namespace blink {
34
35MediaStreamRegistry& MediaStreamRegistry::registry()
36{
37    // Since WebWorkers cannot obtain MediaStream objects, we should be on the main thread.
38    ASSERT(isMainThread());
39    DEFINE_STATIC_LOCAL(MediaStreamRegistry, instance, ());
40    return instance;
41}
42
43void MediaStreamRegistry::registerURL(SecurityOrigin*, const KURL& url, URLRegistrable* stream)
44{
45    ASSERT(&stream->registry() == this);
46    ASSERT(isMainThread());
47    m_streamDescriptors.set(url.string(), static_cast<MediaStream*>(stream)->descriptor());
48}
49
50void MediaStreamRegistry::unregisterURL(const KURL& url)
51{
52    ASSERT(isMainThread());
53    m_streamDescriptors.remove(url.string());
54}
55
56bool MediaStreamRegistry::contains(const String& url)
57{
58    ASSERT(isMainThread());
59    return m_streamDescriptors.contains(url);
60}
61
62MediaStreamDescriptor* MediaStreamRegistry::lookupMediaStreamDescriptor(const String& url)
63{
64    ASSERT(isMainThread());
65    return m_streamDescriptors.get(url);
66}
67
68MediaStreamRegistry::MediaStreamRegistry()
69{
70    HTMLMediaElement::setMediaStreamRegistry(this);
71}
72
73} // namespace blink
74