SVGMaskElement.cpp [plain text]
#include "config.h"
#include "SVGMaskElement.h"
#include "RenderSVGResourceMasker.h"
#include "SVGNames.h"
#include "SVGRenderSupport.h"
#include "SVGStringList.h"
#include "SVGUnitTypes.h"
#include "StyleResolver.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGMaskElement);
inline SVGMaskElement::SVGMaskElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, SVGExternalResourcesRequired(this)
, SVGTests(this)
{
ASSERT(hasTagName(SVGNames::maskTag));
registerAttributes();
}
Ref<SVGMaskElement> SVGMaskElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGMaskElement(tagName, document));
}
void SVGMaskElement::registerAttributes()
{
auto& registry = attributeRegistry();
if (!registry.isEmpty())
return;
registry.registerAttribute<SVGNames::xAttr, &SVGMaskElement::m_x>();
registry.registerAttribute<SVGNames::yAttr, &SVGMaskElement::m_y>();
registry.registerAttribute<SVGNames::widthAttr, &SVGMaskElement::m_width>();
registry.registerAttribute<SVGNames::heightAttr, &SVGMaskElement::m_height>();
registry.registerAttribute<SVGNames::maskUnitsAttr, SVGUnitTypes::SVGUnitType, &SVGMaskElement::m_maskUnits>();
registry.registerAttribute<SVGNames::maskContentUnitsAttr, SVGUnitTypes::SVGUnitType, &SVGMaskElement::m_maskContentUnits>();
}
void SVGMaskElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::maskUnitsAttr) {
auto propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(value);
if (propertyValue > 0)
m_maskUnits.setValue(propertyValue);
return;
}
if (name == SVGNames::maskContentUnitsAttr) {
auto propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(value);
if (propertyValue > 0)
m_maskContentUnits.setValue(propertyValue);
return;
}
SVGParsingError parseError = NoError;
if (name == SVGNames::xAttr)
m_x.setValue(SVGLengthValue::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::yAttr)
m_y.setValue(SVGLengthValue::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::widthAttr)
m_width.setValue(SVGLengthValue::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::heightAttr)
m_height.setValue(SVGLengthValue::construct(LengthModeHeight, value, parseError));
reportAttributeParsingError(parseError, name, value);
SVGElement::parseAttribute(name, value);
SVGTests::parseAttribute(name, value);
SVGExternalResourcesRequired::parseAttribute(name, value);
}
void SVGMaskElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (isAnimatedLengthAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
invalidateSVGPresentationAttributeStyle();
return;
}
if (isKnownAttribute(attrName)) {
if (auto* renderer = this->renderer())
renderer->setNeedsLayout();
return;
}
SVGElement::svgAttributeChanged(attrName);
SVGExternalResourcesRequired::svgAttributeChanged(attrName);
}
void SVGMaskElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
if (change.source == ChildChangeSource::Parser)
return;
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
RenderPtr<RenderElement> SVGMaskElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return createRenderer<RenderSVGResourceMasker>(*this, WTFMove(style));
}
}