Source/WebCore/html/shadow/DetailsMarkerControl.cpp

/*
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 * Copyright (C) 2014 Apple Inc. All rights reserved.
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "DetailsMarkerControl.h"

#include "HTMLNames.h"
#include "HTMLSummaryElement.h"
#include "RenderDetailsMarker.h"
#include <wtf/IsoMallocInlines.h>

namespace WebCore {

WTF_MAKE_ISO_ALLOCATED_IMPL(DetailsMarkerControl);

Ref<DetailsMarkerControl> DetailsMarkerControl::create(Document& document)
{
    return adoptRef(*new DetailsMarkerControl(document));
}

DetailsMarkerControl::DetailsMarkerControl(Document& document)
    : HTMLDivElement(HTMLNames::divTag, document)
{
    setPseudo(AtomString("-webkit-details-marker", AtomString::ConstructFromLiteral));
}

RenderPtr<RenderElement> DetailsMarkerControl::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
    return createRenderer<RenderDetailsMarker>(*this, WTFMove(style));
}

bool DetailsMarkerControl::rendererIsNeeded(const RenderStyle& style)
{
    return downcast<HTMLSummaryElement>(shadowHost())->isActiveSummary() && HTMLDivElement::rendererIsNeeded(style);
}

}