2 * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
23 #include "core/svg/SVGGElement.h"
26 #include "core/rendering/svg/RenderSVGHiddenContainer.h"
27 #include "core/rendering/svg/RenderSVGResource.h"
28 #include "core/rendering/svg/RenderSVGTransformableContainer.h"
29 #include "core/svg/SVGElementInstance.h"
33 SVGGElement::SVGGElement(Document& document, ConstructionType constructionType)
34 : SVGGraphicsElement(SVGNames::gTag, document, constructionType)
36 ScriptWrappable::init(this);
39 PassRefPtr<SVGGElement> SVGGElement::create(Document& document)
41 return adoptRef(new SVGGElement(document));
44 bool SVGGElement::isSupportedAttribute(const QualifiedName& attrName)
46 DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
47 return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
50 void SVGGElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
52 if (!isSupportedAttribute(name)) {
53 SVGGraphicsElement::parseAttribute(name, value);
60 void SVGGElement::svgAttributeChanged(const QualifiedName& attrName)
62 if (!isSupportedAttribute(attrName)) {
63 SVGGraphicsElement::svgAttributeChanged(attrName);
67 SVGElement::InvalidationGuard invalidationGuard(this);
69 if (RenderObject* renderer = this->renderer())
70 RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
73 RenderObject* SVGGElement::createRenderer(RenderStyle* style)
75 // SVG 1.1 testsuite explicitely uses constructs like <g display="none"><linearGradient>
76 // We still have to create renderers for the <g> & <linearGradient> element, though the
77 // subtree may be hidden - we only want the resource renderers to exist so they can be
78 // referenced from somewhere else.
79 if (style->display() == NONE)
80 return new RenderSVGHiddenContainer(this);
82 return new RenderSVGTransformableContainer(this);
85 bool SVGGElement::rendererIsNeeded(const RenderStyle&)
87 // Unlike SVGElement::rendererIsNeeded(), we still create renderers, even if
88 // display is set to 'none' - which is special to SVG <g> container elements.
89 return parentOrShadowHostElement() && parentOrShadowHostElement()->isSVGElement();