SVGEllipseElement.cpp [plain text]
#include "config.h"
#include "SVGEllipseElement.h"
#include "Attribute.h"
#include "FloatPoint.h"
#include "RenderSVGEllipse.h"
#include "RenderSVGPath.h"
#include "RenderSVGResource.h"
#include "SVGElementInstance.h"
#include "SVGLength.h"
#include "SVGNames.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::cxAttr, Cx, cx)
DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::cyAttr, Cy, cy)
DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::rxAttr, Rx, rx)
DEFINE_ANIMATED_LENGTH(SVGEllipseElement, SVGNames::ryAttr, Ry, ry)
DEFINE_ANIMATED_BOOLEAN(SVGEllipseElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGEllipseElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(cx)
REGISTER_LOCAL_ANIMATED_PROPERTY(cy)
REGISTER_LOCAL_ANIMATED_PROPERTY(rx)
REGISTER_LOCAL_ANIMATED_PROPERTY(ry)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGEllipseElement::SVGEllipseElement(const QualifiedName& tagName, Document& document)
: SVGGraphicsElement(tagName, document)
, m_cx(LengthModeWidth)
, m_cy(LengthModeHeight)
, m_rx(LengthModeWidth)
, m_ry(LengthModeHeight)
{
ASSERT(hasTagName(SVGNames::ellipseTag));
registerAnimatedPropertiesForSVGEllipseElement();
}
PassRefPtr<SVGEllipseElement> SVGEllipseElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(new SVGEllipseElement(tagName, document));
}
bool SVGEllipseElement::isSupportedAttribute(const QualifiedName& attrName)
{
static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
if (supportedAttributes.get().isEmpty()) {
SVGLangSpace::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
supportedAttributes.get().add(SVGNames::cxAttr);
supportedAttributes.get().add(SVGNames::cyAttr);
supportedAttributes.get().add(SVGNames::rxAttr);
supportedAttributes.get().add(SVGNames::ryAttr);
}
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGEllipseElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGParsingError parseError = NoError;
if (!isSupportedAttribute(name))
SVGGraphicsElement::parseAttribute(name, value);
else if (name == SVGNames::cxAttr)
setCxBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::cyAttr)
setCyBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::rxAttr)
setRxBaseValue(SVGLength::construct(LengthModeWidth, value, parseError, ForbidNegativeLengths));
else if (name == SVGNames::ryAttr)
setRyBaseValue(SVGLength::construct(LengthModeHeight, value, parseError, ForbidNegativeLengths));
else if (SVGLangSpace::parseAttribute(name, value)
|| SVGExternalResourcesRequired::parseAttribute(name, value)) {
} else
ASSERT_NOT_REACHED();
reportAttributeParsingError(parseError, name, value);
}
void SVGEllipseElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGGraphicsElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
bool isLengthAttribute = attrName == SVGNames::cxAttr
|| attrName == SVGNames::cyAttr
|| attrName == SVGNames::rxAttr
|| attrName == SVGNames::ryAttr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
if (!renderer)
return;
if (isLengthAttribute) {
renderer->setNeedsShapeUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
if (SVGLangSpace::isKnownAttribute(attrName) || SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
return;
}
ASSERT_NOT_REACHED();
}
bool SVGEllipseElement::selfHasRelativeLengths() const
{
return cx().isRelative()
|| cy().isRelative()
|| rx().isRelative()
|| ry().isRelative();
}
RenderPtr<RenderElement> SVGEllipseElement::createElementRenderer(PassRef<RenderStyle> style)
{
return createRenderer<RenderSVGEllipse>(*this, WTF::move(style));
}
}