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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 #include "config.h"
     26 #include "modules/mediastream/MediaStreamTrackEvent.h"
     27 
     28 #include "modules/mediastream/MediaStreamTrack.h"
     29 
     30 namespace blink {
     31 
     32 PassRefPtrWillBeRawPtr<MediaStreamTrackEvent> MediaStreamTrackEvent::create()
     33 {
     34     return adoptRefWillBeNoop(new MediaStreamTrackEvent);
     35 }
     36 
     37 PassRefPtrWillBeRawPtr<MediaStreamTrackEvent> MediaStreamTrackEvent::create(const AtomicString& type, bool canBubble, bool cancelable, MediaStreamTrack* track)
     38 {
     39     return adoptRefWillBeNoop(new MediaStreamTrackEvent(type, canBubble, cancelable, track));
     40 }
     41 
     42 
     43 MediaStreamTrackEvent::MediaStreamTrackEvent()
     44 {
     45 }
     46 
     47 MediaStreamTrackEvent::MediaStreamTrackEvent(const AtomicString& type, bool canBubble, bool cancelable, MediaStreamTrack* track)
     48     : Event(type, canBubble, cancelable)
     49     , m_track(track)
     50 {
     51 }
     52 
     53 MediaStreamTrackEvent::~MediaStreamTrackEvent()
     54 {
     55 }
     56 
     57 MediaStreamTrack* MediaStreamTrackEvent::track() const
     58 {
     59     return m_track.get();
     60 }
     61 
     62 const AtomicString& MediaStreamTrackEvent::interfaceName() const
     63 {
     64     return EventNames::MediaStreamTrackEvent;
     65 }
     66 
     67 void MediaStreamTrackEvent::trace(Visitor* visitor)
     68 {
     69     visitor->trace(m_track);
     70     Event::trace(visitor);
     71 }
     72 
     73 } // namespace blink
     74