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      1 /*
      2  * Copyright (C) 2013 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 #ifndef MediaSource_h
     32 #define MediaSource_h
     33 
     34 #include "bindings/v8/ScriptWrappable.h"
     35 #include "modules/mediasource/MediaSourceBase.h"
     36 #include "modules/mediasource/SourceBuffer.h"
     37 #include "modules/mediasource/SourceBufferList.h"
     38 #include "wtf/RefCounted.h"
     39 
     40 namespace WebCore {
     41 
     42 class ExceptionState;
     43 
     44 class MediaSource : public MediaSourceBase, public ScriptWrappable {
     45 public:
     46     static PassRefPtr<MediaSource> create(ScriptExecutionContext*);
     47     virtual ~MediaSource();
     48 
     49     // MediaSource.idl methods
     50     SourceBufferList* sourceBuffers() { return m_sourceBuffers.get(); }
     51     SourceBufferList* activeSourceBuffers() { return m_activeSourceBuffers.get(); }
     52     SourceBuffer* addSourceBuffer(const String& type, ExceptionState&);
     53     void removeSourceBuffer(SourceBuffer*, ExceptionState&);
     54     static bool isTypeSupported(const String& type);
     55 
     56     // EventTarget interface
     57     virtual const AtomicString& interfaceName() const OVERRIDE;
     58 
     59     using RefCounted<MediaSourceBase>::ref;
     60     using RefCounted<MediaSourceBase>::deref;
     61 
     62 private:
     63     explicit MediaSource(ScriptExecutionContext*);
     64 
     65     // MediaSourceBase interface
     66     virtual void onReadyStateChange(const AtomicString&, const AtomicString&) OVERRIDE;
     67     virtual Vector<RefPtr<TimeRanges> > activeRanges() const OVERRIDE;
     68 
     69     RefPtr<SourceBufferList> m_sourceBuffers;
     70     RefPtr<SourceBufferList> m_activeSourceBuffers;
     71 };
     72 
     73 } // namespace WebCore
     74 
     75 #endif
     76