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/*
* Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007, 2008 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 "config.h"
#include "core/svg/SVGTextPositioningElement.h"
#include "core/SVGNames.h"
#include "core/rendering/svg/RenderSVGText.h"
#include "core/svg/SVGLengthList.h"
#include "core/svg/SVGNumberList.h"
namespace blink {
SVGTextPositioningElement::SVGTextPositioningElement(const QualifiedName& tagName, Document& document)
: SVGTextContentElement(tagName, document)
, m_x(SVGAnimatedLengthList::create(this, SVGNames::xAttr, SVGLengthList::create(LengthModeWidth)))
, m_y(SVGAnimatedLengthList::create(this, SVGNames::yAttr, SVGLengthList::create(LengthModeHeight)))
, m_dx(SVGAnimatedLengthList::create(this, SVGNames::dxAttr, SVGLengthList::create(LengthModeWidth)))
, m_dy(SVGAnimatedLengthList::create(this, SVGNames::dyAttr, SVGLengthList::create(LengthModeHeight)))
, m_rotate(SVGAnimatedNumberList::create(this, SVGNames::rotateAttr, SVGNumberList::create()))
{
addToPropertyMap(m_x);
addToPropertyMap(m_y);
addToPropertyMap(m_dx);
addToPropertyMap(m_dy);
addToPropertyMap(m_rotate);
}
void SVGTextPositioningElement::trace(Visitor* visitor)
{
visitor->trace(m_x);
visitor->trace(m_y);
visitor->trace(m_dx);
visitor->trace(m_dy);
visitor->trace(m_rotate);
SVGTextContentElement::trace(visitor);
}
bool SVGTextPositioningElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
supportedAttributes.add(SVGNames::xAttr);
supportedAttributes.add(SVGNames::yAttr);
supportedAttributes.add(SVGNames::dxAttr);
supportedAttributes.add(SVGNames::dyAttr);
supportedAttributes.add(SVGNames::rotateAttr);
}
return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
}
void SVGTextPositioningElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
parseAttributeNew(name, value);
}
void SVGTextPositioningElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGTextContentElement::svgAttributeChanged(attrName);
return;
}
SVGElement::InvalidationGuard invalidationGuard(this);
bool updateRelativeLengths = attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::dxAttr
|| attrName == SVGNames::dyAttr;
if (updateRelativeLengths)
updateRelativeLengthsInformation();
RenderObject* renderer = this->renderer();
if (!renderer)
return;
ASSERT(updateRelativeLengths || attrName == SVGNames::rotateAttr);
if (RenderSVGText* textRenderer = RenderSVGText::locateRenderSVGTextAncestor(renderer))
textRenderer->setNeedsPositioningValuesUpdate();
markForLayoutAndParentResourceInvalidation(renderer);
}
SVGTextPositioningElement* SVGTextPositioningElement::elementFromRenderer(RenderObject& renderer)
{
if (!renderer.isSVGText() && !renderer.isSVGInline())
return 0;
Node* node = renderer.node();
ASSERT(node);
ASSERT(node->isSVGElement());
return isSVGTextPositioningElement(*node) ? toSVGTextPositioningElement(node) : 0;
}
}
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