SVGMaskElement.cpp [plain text]
#include "config.h"
#include "SVGMaskElement.h"
#include "Attribute.h"
#include "RenderSVGResourceMasker.h"
#include "SVGElementInstance.h"
#include "SVGNames.h"
#include "SVGRenderSupport.h"
#include "SVGUnitTypes.h"
#include "StyleResolver.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
DEFINE_ANIMATED_ENUMERATION(SVGMaskElement, SVGNames::maskUnitsAttr, MaskUnits, maskUnits, SVGUnitTypes::SVGUnitType)
DEFINE_ANIMATED_ENUMERATION(SVGMaskElement, SVGNames::maskContentUnitsAttr, MaskContentUnits, maskContentUnits, SVGUnitTypes::SVGUnitType)
DEFINE_ANIMATED_LENGTH(SVGMaskElement, SVGNames::xAttr, X, x)
DEFINE_ANIMATED_LENGTH(SVGMaskElement, SVGNames::yAttr, Y, y)
DEFINE_ANIMATED_LENGTH(SVGMaskElement, SVGNames::widthAttr, Width, width)
DEFINE_ANIMATED_LENGTH(SVGMaskElement, SVGNames::heightAttr, Height, height)
DEFINE_ANIMATED_BOOLEAN(SVGMaskElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGMaskElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(maskUnits)
REGISTER_LOCAL_ANIMATED_PROPERTY(maskContentUnits)
REGISTER_LOCAL_ANIMATED_PROPERTY(x)
REGISTER_LOCAL_ANIMATED_PROPERTY(y)
REGISTER_LOCAL_ANIMATED_PROPERTY(width)
REGISTER_LOCAL_ANIMATED_PROPERTY(height)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGElement)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGMaskElement::SVGMaskElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, m_maskUnits(SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX)
, m_maskContentUnits(SVGUnitTypes::SVG_UNIT_TYPE_USERSPACEONUSE)
, m_x(LengthModeWidth, "-10%")
, m_y(LengthModeHeight, "-10%")
, m_width(LengthModeWidth, "120%")
, m_height(LengthModeHeight, "120%")
{
ASSERT(hasTagName(SVGNames::maskTag));
registerAnimatedPropertiesForSVGMaskElement();
}
PassRefPtr<SVGMaskElement> SVGMaskElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(new SVGMaskElement(tagName, document));
}
bool SVGMaskElement::isSupportedAttribute(const QualifiedName& attrName)
{
static NeverDestroyed<HashSet<QualifiedName>> supportedAttributes;
if (supportedAttributes.get().isEmpty()) {
SVGTests::addSupportedAttributes(supportedAttributes);
SVGLangSpace::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
supportedAttributes.get().add(SVGNames::maskUnitsAttr);
supportedAttributes.get().add(SVGNames::maskContentUnitsAttr);
supportedAttributes.get().add(SVGNames::xAttr);
supportedAttributes.get().add(SVGNames::yAttr);
supportedAttributes.get().add(SVGNames::widthAttr);
supportedAttributes.get().add(SVGNames::heightAttr);
}
return supportedAttributes.get().contains<SVGAttributeHashTranslator>(attrName);
}
void SVGMaskElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGParsingError parseError = NoError;
if (!isSupportedAttribute(name))
SVGElement::parseAttribute(name, value);
else if (name == SVGNames::maskUnitsAttr) {
SVGUnitTypes::SVGUnitType propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(value);
if (propertyValue > 0)
setMaskUnitsBaseValue(propertyValue);
return;
} else if (name == SVGNames::maskContentUnitsAttr) {
SVGUnitTypes::SVGUnitType propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(value);
if (propertyValue > 0)
setMaskContentUnitsBaseValue(propertyValue);
return;
} else if (name == SVGNames::xAttr)
setXBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::yAttr)
setYBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::widthAttr)
setWidthBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::heightAttr)
setHeightBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (SVGTests::parseAttribute(name, value)
|| SVGLangSpace::parseAttribute(name, value)
|| SVGExternalResourcesRequired::parseAttribute(name, value)) {
} else
ASSERT_NOT_REACHED();
reportAttributeParsingError(parseError, name, value);
}
void SVGMaskElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
if (attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr)
updateRelativeLengthsInformation();
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
void SVGMaskElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
if (change.source == ChildChangeSourceParser)
return;
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
RenderPtr<RenderElement> SVGMaskElement::createElementRenderer(PassRef<RenderStyle> style)
{
return createRenderer<RenderSVGResourceMasker>(*this, WTF::move(style));
}
bool SVGMaskElement::selfHasRelativeLengths() const
{
return x().isRelative()
|| y().isRelative()
|| width().isRelative()
|| height().isRelative();
}
}