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 33 namespace blink { 34 35 MediaStreamRegistry& 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 43 void 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 50 void MediaStreamRegistry::unregisterURL(const KURL& url) 51 { 52 ASSERT(isMainThread()); 53 m_streamDescriptors.remove(url.string()); 54 } 55 56 bool MediaStreamRegistry::contains(const String& url) 57 { 58 ASSERT(isMainThread()); 59 return m_streamDescriptors.contains(url); 60 } 61 62 MediaStreamDescriptor* MediaStreamRegistry::lookupMediaStreamDescriptor(const String& url) 63 { 64 ASSERT(isMainThread()); 65 return m_streamDescriptors.get(url); 66 } 67 68 MediaStreamRegistry::MediaStreamRegistry() 69 { 70 HTMLMediaElement::setMediaStreamRegistry(this); 71 } 72 73 } // namespace blink 74