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/*
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
* Copyright (C) 2018-2019 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 "SVGMarkerElement.h"
#include "RenderSVGResourceMarker.h"
#include "SVGNames.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGMarkerElement);
inline SVGMarkerElement::SVGMarkerElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, SVGFitToViewBox(this)
{
// Spec: If the markerWidth/markerHeight attribute is not specified, the effect is as if a value of "3" were specified.
ASSERT(hasTagName(SVGNames::markerTag));
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
PropertyRegistry::registerProperty<SVGNames::refXAttr, &SVGMarkerElement::m_refX>();
PropertyRegistry::registerProperty<SVGNames::refYAttr, &SVGMarkerElement::m_refY>();
PropertyRegistry::registerProperty<SVGNames::markerWidthAttr, &SVGMarkerElement::m_markerWidth>();
PropertyRegistry::registerProperty<SVGNames::markerHeightAttr, &SVGMarkerElement::m_markerHeight>();
PropertyRegistry::registerProperty<SVGNames::markerUnitsAttr, SVGMarkerUnitsType, &SVGMarkerElement::m_markerUnits>();
PropertyRegistry::registerProperty<SVGNames::orientAttr, &SVGMarkerElement::m_orientAngle, &SVGMarkerElement::m_orientType>();
});
}
Ref<SVGMarkerElement> SVGMarkerElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGMarkerElement(tagName, document));
}
AffineTransform SVGMarkerElement::viewBoxToViewTransform(float viewWidth, float viewHeight) const
{
return SVGFitToViewBox::viewBoxToViewTransform(viewBox(), preserveAspectRatio(), viewWidth, viewHeight);
}
void SVGMarkerElement::parseAttribute(const QualifiedName& name, const AtomString& value)
{
if (name == SVGNames::markerUnitsAttr) {
auto propertyValue = SVGPropertyTraits<SVGMarkerUnitsType>::fromString(value);
if (propertyValue > 0)
m_markerUnits->setBaseValInternal<SVGMarkerUnitsType>(propertyValue);
return;
}
if (name == SVGNames::orientAttr) {
auto pair = SVGPropertyTraits<std::pair<SVGAngleValue, SVGMarkerOrientType>>::fromString(value);
m_orientAngle->setBaseValInternal(pair.first);
m_orientType->setBaseValInternal(pair.second);
return;
}
SVGParsingError parseError = NoError;
if (name == SVGNames::refXAttr)
m_refX->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Width, value, parseError));
else if (name == SVGNames::refYAttr)
m_refY->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Height, value, parseError));
else if (name == SVGNames::markerWidthAttr)
m_markerWidth->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Width, value, parseError));
else if (name == SVGNames::markerHeightAttr)
m_markerHeight->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Height, value, parseError));
reportAttributeParsingError(parseError, name, value);
SVGElement::parseAttribute(name, value);
SVGFitToViewBox::parseAttribute(name, value);
}
void SVGMarkerElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (PropertyRegistry::isKnownAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
if (PropertyRegistry::isAnimatedLengthAttribute(attrName))
updateRelativeLengthsInformation();
if (RenderObject* object = renderer())
object->setNeedsLayout();
return;
}
if (SVGFitToViewBox::isKnownAttribute(attrName)) {
if (RenderObject* object = renderer())
object->setNeedsLayout();
return;
}
SVGElement::svgAttributeChanged(attrName);
}
void SVGMarkerElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
if (change.source == ChildChangeSource::Parser)
return;
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
String SVGMarkerElement::orient() const
{
return getAttribute(SVGNames::orientAttr);
}
void SVGMarkerElement::setOrient(const String& orient)
{
setAttribute(SVGNames::orientAttr, orient);
}
void SVGMarkerElement::setOrientToAuto()
{
m_orientType->setBaseVal(SVGMarkerOrientAuto);
}
void SVGMarkerElement::setOrientToAngle(const SVGAngle& angle)
{
m_orientAngle->baseVal()->newValueSpecifiedUnits(angle.unitType(), angle.valueInSpecifiedUnits());
}
RenderPtr<RenderElement> SVGMarkerElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return createRenderer<RenderSVGResourceMarker>(*this, WTFMove(style));
}
bool SVGMarkerElement::selfHasRelativeLengths() const
{
return refX().isRelative()
|| refY().isRelative()
|| markerWidth().isRelative()
|| markerHeight().isRelative();
}
}