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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.
*
* 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 "SVGFitToViewBox.h"
#include "SVGNames.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
// Define custom animated property 'orientType'.
const SVGPropertyInfo* SVGMarkerElement::orientTypePropertyInfo()
{
static const SVGPropertyInfo* s_propertyInfo = 0;
if (!s_propertyInfo) {
s_propertyInfo = new SVGPropertyInfo(AnimatedEnumeration,
PropertyIsReadWrite,
SVGNames::orientAttr,
orientTypeIdentifier(),
&SVGMarkerElement::synchronizeOrientType,
&SVGMarkerElement::lookupOrCreateOrientTypeWrapper);
}
return s_propertyInfo;
}
// Animated property definitions
DEFINE_ANIMATED_LENGTH(SVGMarkerElement, SVGNames::refXAttr, RefX, refX)
DEFINE_ANIMATED_LENGTH(SVGMarkerElement, SVGNames::refYAttr, RefY, refY)
DEFINE_ANIMATED_LENGTH(SVGMarkerElement, SVGNames::markerWidthAttr, MarkerWidth, markerWidth)
DEFINE_ANIMATED_LENGTH(SVGMarkerElement, SVGNames::markerHeightAttr, MarkerHeight, markerHeight)
DEFINE_ANIMATED_ENUMERATION(SVGMarkerElement, SVGNames::markerUnitsAttr, MarkerUnits, markerUnits, SVGMarkerUnitsType)
DEFINE_ANIMATED_ANGLE_AND_ENUMERATION(SVGMarkerElement, SVGNames::orientAttr, orientAngleIdentifier(), OrientAngle, orientAngle)
DEFINE_ANIMATED_BOOLEAN(SVGMarkerElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
DEFINE_ANIMATED_RECT(SVGMarkerElement, SVGNames::viewBoxAttr, ViewBox, viewBox)
DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGMarkerElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGMarkerElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(refX)
REGISTER_LOCAL_ANIMATED_PROPERTY(refY)
REGISTER_LOCAL_ANIMATED_PROPERTY(markerWidth)
REGISTER_LOCAL_ANIMATED_PROPERTY(markerHeight)
REGISTER_LOCAL_ANIMATED_PROPERTY(markerUnits)
REGISTER_LOCAL_ANIMATED_PROPERTY(orientAngle)
REGISTER_LOCAL_ANIMATED_PROPERTY(orientType)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_LOCAL_ANIMATED_PROPERTY(viewBox)
REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGMarkerElement::SVGMarkerElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, m_refX(LengthModeWidth)
, m_refY(LengthModeHeight)
, m_markerWidth(LengthModeWidth, "3")
, m_markerHeight(LengthModeHeight, "3")
, m_markerUnits(SVGMarkerUnitsStrokeWidth)
, m_orientType(SVGMarkerOrientAngle)
{
// Spec: If the markerWidth/markerHeight attribute is not specified, the effect is as if a value of "3" were specified.
ASSERT(hasTagName(SVGNames::markerTag));
registerAnimatedPropertiesForSVGMarkerElement();
}
Ref<SVGMarkerElement> SVGMarkerElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGMarkerElement(tagName, document));
}
const AtomicString& SVGMarkerElement::orientTypeIdentifier()
{
static NeverDestroyed<AtomicString> s_identifier("SVGOrientType", AtomicString::ConstructFromLiteral);
return s_identifier;
}
const AtomicString& SVGMarkerElement::orientAngleIdentifier()
{
static NeverDestroyed<AtomicString> s_identifier("SVGOrientAngle", AtomicString::ConstructFromLiteral);
return s_identifier;
}
AffineTransform SVGMarkerElement::viewBoxToViewTransform(float viewWidth, float viewHeight) const
{
return SVGFitToViewBox::viewBoxToViewTransform(viewBox(), preserveAspectRatio(), viewWidth, viewHeight);
}
bool SVGMarkerElement::isSupportedAttribute(const QualifiedName& attrName)
{
static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
if (supportedAttributes.get().isEmpty()) {
SVGLangSpace::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
SVGFitToViewBox::addSupportedAttributes(supportedAttributes);
supportedAttributes.get().add(SVGNames::markerUnitsAttr);
supportedAttributes.get().add(SVGNames::refXAttr);
supportedAttributes.get().add(SVGNames::refYAttr);
supportedAttributes.get().add(SVGNames::markerWidthAttr);
supportedAttributes.get().add(SVGNames::markerHeightAttr);
supportedAttributes.get().add(SVGNames::orientAttr);
}
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGMarkerElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::markerUnitsAttr) {
auto propertyValue = SVGPropertyTraits<SVGMarkerUnitsType>::fromString(value);
if (propertyValue > 0)
setMarkerUnitsBaseValue(propertyValue);
return;
}
if (name == SVGNames::orientAttr) {
SVGAngle angle;
auto orientType = SVGPropertyTraits<SVGMarkerOrientType>::fromString(value, angle);
if (orientType > 0)
setOrientTypeBaseValue(orientType);
if (orientType == SVGMarkerOrientAngle)
setOrientAngleBaseValue(angle);
return;
}
SVGParsingError parseError = NoError;
if (name == SVGNames::refXAttr)
setRefXBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::refYAttr)
setRefYBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::markerWidthAttr)
setMarkerWidthBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::markerHeightAttr)
setMarkerHeightBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
reportAttributeParsingError(parseError, name, value);
SVGElement::parseAttribute(name, value);
SVGExternalResourcesRequired::parseAttribute(name, value);
SVGFitToViewBox::parseAttribute(this, name, value);
}
void SVGMarkerElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
InstanceInvalidationGuard guard(*this);
if (attrName == SVGNames::refXAttr
|| attrName == SVGNames::refYAttr
|| attrName == SVGNames::markerWidthAttr
|| attrName == SVGNames::markerHeightAttr)
updateRelativeLengthsInformation();
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
void SVGMarkerElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
if (change.source == ChildChangeSourceParser)
return;
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
void SVGMarkerElement::setOrientToAuto()
{
setOrientTypeBaseValue(SVGMarkerOrientAuto);
setOrientAngleBaseValue(SVGAngle());
// Mark orientAttr dirty - the next XML DOM access of that attribute kicks in synchronization.
m_orientAngle.shouldSynchronize = true;
m_orientType.shouldSynchronize = true;
invalidateSVGAttributes();
svgAttributeChanged(orientAnglePropertyInfo()->attributeName);
}
void SVGMarkerElement::setOrientToAngle(const SVGAngle& angle)
{
setOrientTypeBaseValue(SVGMarkerOrientAngle);
setOrientAngleBaseValue(angle);
// Mark orientAttr dirty - the next XML DOM access of that attribute kicks in synchronization.
m_orientAngle.shouldSynchronize = true;
m_orientType.shouldSynchronize = true;
invalidateSVGAttributes();
svgAttributeChanged(orientAnglePropertyInfo()->attributeName);
}
RenderPtr<RenderElement> SVGMarkerElement::createElementRenderer(Ref<RenderStyle>&& style, const RenderTreePosition&)
{
return createRenderer<RenderSVGResourceMarker>(*this, WTFMove(style));
}
bool SVGMarkerElement::selfHasRelativeLengths() const
{
return refX().isRelative()
|| refY().isRelative()
|| markerWidth().isRelative()
|| markerHeight().isRelative();
}
void SVGMarkerElement::synchronizeOrientType(SVGElement* contextElement)
{
ASSERT(contextElement);
SVGMarkerElement& ownerType = downcast<SVGMarkerElement>(*contextElement);
if (!ownerType.m_orientType.shouldSynchronize)
return;
// If orient is not auto, the previous call to synchronizeOrientAngle already set the orientAttr to the right angle.
if (ownerType.m_orientType.value != SVGMarkerOrientAuto)
return;
static NeverDestroyed<AtomicString> autoString("auto", AtomicString::ConstructFromLiteral);
ownerType.m_orientType.synchronize(&ownerType, orientTypePropertyInfo()->attributeName, autoString);
}
Ref<SVGAnimatedProperty> SVGMarkerElement::lookupOrCreateOrientTypeWrapper(SVGElement* contextElement)
{
ASSERT(contextElement);
SVGMarkerElement& ownerType = downcast<SVGMarkerElement>(*contextElement);
return SVGAnimatedProperty::lookupOrCreateWrapper<SVGMarkerElement, SVGAnimatedEnumerationPropertyTearOff<SVGMarkerOrientType>, SVGMarkerOrientType>
(&ownerType, orientTypePropertyInfo(), ownerType.m_orientType.value);
}
SVGMarkerOrientType& SVGMarkerElement::orientType() const
{
if (auto wrapper = SVGAnimatedProperty::lookupWrapper<UseOwnerType, SVGAnimatedEnumeration>(this, orientTypePropertyInfo())) {
if (wrapper->isAnimating()) {
ASSERT(wrapper->currentAnimatedValue() < SVGMarkerOrientMax);
return reinterpret_cast<SVGMarkerOrientType&>(wrapper->currentAnimatedValue());
}
}
return m_orientType.value;
}
Ref<SVGAnimatedEnumerationPropertyTearOff<SVGMarkerOrientType>> SVGMarkerElement::orientTypeAnimated()
{
m_orientType.shouldSynchronize = true;
return static_reference_cast<SVGAnimatedEnumerationPropertyTearOff<SVGMarkerOrientType>>(lookupOrCreateOrientTypeWrapper(this));
}
}
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