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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
      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 #ifndef MediaStreamTrackEvent_h
     26 #define MediaStreamTrackEvent_h
     27 
     28 #include "modules/EventModules.h"
     29 #include "wtf/text/AtomicString.h"
     30 
     31 namespace blink {
     32 
     33 class MediaStreamTrack;
     34 
     35 class MediaStreamTrackEvent FINAL : public Event {
     36     DEFINE_WRAPPERTYPEINFO();
     37 public:
     38     virtual ~MediaStreamTrackEvent();
     39 
     40     static PassRefPtrWillBeRawPtr<MediaStreamTrackEvent> create();
     41     static PassRefPtrWillBeRawPtr<MediaStreamTrackEvent> create(const AtomicString& type, bool canBubble, bool cancelable, MediaStreamTrack*);
     42 
     43     MediaStreamTrack* track() const;
     44 
     45     // Event
     46     virtual const AtomicString& interfaceName() const OVERRIDE;
     47 
     48     virtual void trace(Visitor*) OVERRIDE;
     49 
     50 private:
     51     MediaStreamTrackEvent();
     52     MediaStreamTrackEvent(const AtomicString& type, bool canBubble, bool cancelable, MediaStreamTrack*);
     53 
     54     PersistentWillBeMember<MediaStreamTrack> m_track;
     55 };
     56 
     57 } // namespace blink
     58 
     59 #endif // MediaStreamTrackEvent_h
     60