Source/WebCore/html/track/VideoTrackList.h

/*
 * Copyright (C) 2011, 2012 Apple 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. ``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
 * 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. 
 */

#pragma once

#if ENABLE(VIDEO)

#include "TrackListBase.h"

namespace WebCore {

class VideoTrack;

class VideoTrackList final : public TrackListBase {
public:
    static Ref<VideoTrackList> create(ScriptExecutionContext* context)
    {
        auto list = adoptRef(*new VideoTrackList(context));
        list->suspendIfNeeded();
        return list;
    }
    virtual ~VideoTrackList();

    VideoTrack* getTrackById(const AtomString&) const;
    int selectedIndex() const;

    VideoTrack* item(unsigned) const;
    VideoTrack* lastItem() const { return item(length() - 1); }
    void append(Ref<VideoTrack>&&);

    // EventTarget
    EventTargetInterface eventTargetInterface() const override;

private:
    VideoTrackList(ScriptExecutionContext*);

    const char* activeDOMObjectName() const final;
};
static_assert(sizeof(VideoTrackList) == sizeof(TrackListBase), "");

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::VideoTrackList)
    static bool isType(const WebCore::TrackListBase& trackList) { return trackList.type() == WebCore::TrackListBase::VideoTrackList; }
SPECIALIZE_TYPE_TRAITS_END()

#endif // ENABLE(VIDEO)