Implement HTMLMediaElement::srcObject.

Source/modules/mediastream/MediaStream.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef MediaStream_h
 #define MediaStream_h
 
 #include "core/dom/ContextLifecycleObserver.h"
+#include "core/html/MediaProvider.h"
 #include "core/html/URLRegistry.h"
 #include "modules/EventTargetModules.h"
 #include "modules/mediastream/MediaStreamTrack.h"
 #include "platform/Timer.h"
 #include "platform/mediastream/MediaStreamDescriptor.h"
 
 namespace blink {
 
 class ExceptionState;
 
 class MediaStream FINAL
     : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<MediaStream>
     , public URLRegistrable
+    , public MediaProvider
     , public MediaStreamDescriptorClient
     , public EventTargetWithInlineData
     , public ContextLifecycleObserver {
     DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<MediaStream>);
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MediaStream);
 public:
     static MediaStream* create(ExecutionContext*);
     static MediaStream* create(ExecutionContext*, MediaStream*);
     static MediaStream* create(ExecutionContext*, const MediaStreamTrackVector&);
@@ skipping 28 matching lines @@
 
     MediaStreamDescriptor* descriptor() const { return m_descriptor.get(); }
 
     // EventTarget
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual ExecutionContext* executionContext() const OVERRIDE;
 
     // URLRegistrable
     virtual URLRegistry& registry() const OVERRIDE;
 
+    // MediaProvider
+    virtual EventTarget* eventTarget() OVERRIDE { return this; }
+    virtual const String& getObjectUrl() OVERRIDE;
+
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
     MediaStream(ExecutionContext*, PassRefPtr<MediaStreamDescriptor>);
     MediaStream(ExecutionContext*, const MediaStreamTrackVector& audioTracks, const MediaStreamTrackVector& videoTracks);
 
     // ContextLifecycleObserver
     virtual void contextDestroyed() OVERRIDE;
 
     // MediaStreamDescriptorClient
     virtual void addRemoteTrack(MediaStreamComponent*) OVERRIDE;
     virtual void removeRemoteTrack(MediaStreamComponent*) OVERRIDE;
 
     void scheduleDispatchEvent(PassRefPtrWillBeRawPtr<Event>);
     void scheduledEventTimerFired(Timer<MediaStream>*);
 
     bool m_stopped;
+    String m_objectUrl;
 
     MediaStreamTrackVector m_audioTracks;
     MediaStreamTrackVector m_videoTracks;
     RefPtr<MediaStreamDescriptor> m_descriptor;
 
     Timer<MediaStream> m_scheduledEventTimer;
     WillBeHeapVector<RefPtrWillBeMember<Event> > m_scheduledEvents;
 };
 
 typedef HeapVector<Member<MediaStream> > MediaStreamVector;
 
 } // namespace blink
 
 #endif // MediaStream_h