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/*
* Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "SVGGElement.h"
#include "LegacyRenderSVGHiddenContainer.h"
#include "LegacyRenderSVGTransformableContainer.h"
#include "RenderSVGHiddenContainer.h"
#include "RenderSVGResource.h"
#include "RenderSVGTransformableContainer.h"
#include "SVGNames.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGGElement);
SVGGElement::SVGGElement(const QualifiedName& tagName, Document& document)
: SVGGraphicsElement(tagName, document, makeUniqueRef<PropertyRegistry>(*this))
{
ASSERT(hasTagName(SVGNames::gTag));
}
Ref<SVGGElement> SVGGElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGGElement(tagName, document));
}
Ref<SVGGElement> SVGGElement::create(Document& document)
{
return create(SVGNames::gTag, document);
}
RenderPtr<RenderElement> SVGGElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
#if ENABLE(LAYER_BASED_SVG_ENGINE)
// FIXME: [LBSE] Support hidden containers
if (document().settings().layerBasedSVGEngineEnabled()) {
if (style.display() == DisplayType::None)
return createRenderer<RenderSVGHiddenContainer>(*this, WTFMove(style));
return createRenderer<RenderSVGTransformableContainer>(*this, WTFMove(style));
}
#endif
// SVG 1.1 testsuite explicitly uses constructs like <g display="none"><linearGradient>
// We still have to create renderers for the <g> & <linearGradient> element, though the
// subtree may be hidden - we only want the resource renderers to exist so they can be
// referenced from somewhere else.
if (style.display() == DisplayType::None)
return createRenderer<LegacyRenderSVGHiddenContainer>(*this, WTFMove(style));
return createRenderer<LegacyRenderSVGTransformableContainer>(*this, WTFMove(style));
}
bool SVGGElement::rendererIsNeeded(const RenderStyle&)
{
// Unlike SVGElement::rendererIsNeeded(), we still create renderers, even if
// display is set to 'none' - which is special to SVG <g> container elements.
return parentOrShadowHostElement() && parentOrShadowHostElement()->isSVGElement();
}
}
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