blob: dbd19e438b419ce58a3be3130a7b329c713bc807 [file] [log] [blame]
/*
* Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
*
* 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 "core/svg/SVGGElement.h"
#include "core/SVGNames.h"
#include "core/layout/svg/LayoutSVGHiddenContainer.h"
#include "core/layout/svg/LayoutSVGTransformableContainer.h"
namespace blink {
inline SVGGElement::SVGGElement(Document& document,
ConstructionType constructionType)
: SVGGraphicsElement(SVGNames::gTag, document, constructionType) {}
DEFINE_NODE_FACTORY(SVGGElement)
LayoutObject* SVGGElement::createLayoutObject(const ComputedStyle& style) {
// SVG 1.1 testsuite explicitely uses constructs like
// <g display="none"><linearGradient>
// We still have to create layoutObjects for the <g> & <linearGradient>
// element, though the subtree may be hidden - we only want the resource
// layoutObjects to exist so they can be referenced from somewhere else.
if (style.display() == EDisplay::None)
return new LayoutSVGHiddenContainer(this);
return new LayoutSVGTransformableContainer(this);
}
bool SVGGElement::layoutObjectIsNeeded(const ComputedStyle&) {
// Unlike SVGElement::layoutObjectIsNeeded(), we still create layoutObjects,
// even if display is set to 'none' - which is special to SVG <g> container
// elements.
return parentOrShadowHostElement() &&
parentOrShadowHostElement()->isSVGElement();
}
} // namespace blink