third_party/WebKit/Source/modules/mediastream/MediaStreamTrackEvent.cpp

/*
 * Copyright (C) 2012 Google Inc. 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.
 */

#include "modules/mediastream/MediaStreamTrackEvent.h"

#include "modules/mediastream/MediaStreamTrack.h"

namespace blink {

MediaStreamTrackEvent* MediaStreamTrackEvent::create(const AtomicString& type,
                                                     MediaStreamTrack* track) {
  return new MediaStreamTrackEvent(type, track);
}

MediaStreamTrackEvent::MediaStreamTrackEvent(const AtomicString& type,
                                             MediaStreamTrack* track)
    : Event(type, false, false), m_track(track) {
  DCHECK(m_track);
}

MediaStreamTrackEvent* MediaStreamTrackEvent::create(
    const AtomicString& type,
    const MediaStreamTrackEventInit& initializer) {
  return new MediaStreamTrackEvent(type, initializer);
}

MediaStreamTrackEvent::MediaStreamTrackEvent(
    const AtomicString& type,
    const MediaStreamTrackEventInit& initializer)
    : Event(type, initializer), m_track(initializer.track()) {
  DCHECK(m_track);
}

MediaStreamTrackEvent::~MediaStreamTrackEvent() {}

MediaStreamTrack* MediaStreamTrackEvent::track() const {
  return m_track.get();
}

const AtomicString& MediaStreamTrackEvent::interfaceName() const {
  return EventNames::MediaStreamTrackEvent;
}

DEFINE_TRACE(MediaStreamTrackEvent) {
  visitor->trace(m_track);
  Event::trace(visitor);
}

}  // namespace blink