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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 #include "config.h"
     32 #include "modules/mediasource/MediaSourceRegistry.h"
     33 
     34 #include "modules/mediasource/MediaSource.h"
     35 #include "platform/weborigin/KURL.h"
     36 #include "wtf/MainThread.h"
     37 
     38 namespace blink {
     39 
     40 MediaSourceRegistry& MediaSourceRegistry::registry()
     41 {
     42     ASSERT(isMainThread());
     43     DEFINE_STATIC_LOCAL(MediaSourceRegistry, instance, ());
     44     return instance;
     45 }
     46 
     47 void MediaSourceRegistry::registerURL(SecurityOrigin*, const KURL& url, URLRegistrable* registrable)
     48 {
     49     ASSERT(&registrable->registry() == this);
     50     ASSERT(isMainThread());
     51 
     52     MediaSource* source = static_cast<MediaSource*>(registrable);
     53     source->addedToRegistry();
     54     m_mediaSources.set(url.string(), source);
     55 }
     56 
     57 void MediaSourceRegistry::unregisterURL(const KURL& url)
     58 {
     59     ASSERT(isMainThread());
     60     PersistentHeapHashMap<String, Member<MediaSource> >::iterator iter = m_mediaSources.find(url.string());
     61     if (iter == m_mediaSources.end())
     62         return;
     63 
     64     MediaSource* source = iter->value;
     65     m_mediaSources.remove(iter);
     66     source->removedFromRegistry();
     67 }
     68 
     69 URLRegistrable* MediaSourceRegistry::lookup(const String& url)
     70 {
     71     ASSERT(isMainThread());
     72     return m_mediaSources.get(url);
     73 }
     74 
     75 MediaSourceRegistry::MediaSourceRegistry()
     76 {
     77     HTMLMediaSource::setRegistry(this);
     78 }
     79 
     80 } // namespace blink
     81