SVGLineElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG)
#include "SVGLineElement.h"
#include "Attribute.h"
#include "FloatPoint.h"
#include "RenderSVGPath.h"
#include "RenderSVGResource.h"
#include "SVGElementInstance.h"
#include "SVGLength.h"
#include "SVGNames.h"
namespace WebCore {
DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::x1Attr, X1, x1)
DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::y1Attr, Y1, y1)
DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::x2Attr, X2, x2)
DEFINE_ANIMATED_LENGTH(SVGLineElement, SVGNames::y2Attr, Y2, y2)
DEFINE_ANIMATED_BOOLEAN(SVGLineElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGLineElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(x1)
REGISTER_LOCAL_ANIMATED_PROPERTY(y1)
REGISTER_LOCAL_ANIMATED_PROPERTY(x2)
REGISTER_LOCAL_ANIMATED_PROPERTY(y2)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGStyledTransformableElement)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTests)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGLineElement::SVGLineElement(const QualifiedName& tagName, Document* document)
: SVGStyledTransformableElement(tagName, document)
, m_x1(LengthModeWidth)
, m_y1(LengthModeHeight)
, m_x2(LengthModeWidth)
, m_y2(LengthModeHeight)
{
ASSERT(hasTagName(SVGNames::lineTag));
registerAnimatedPropertiesForSVGLineElement();
}
PassRefPtr<SVGLineElement> SVGLineElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGLineElement(tagName, document));
}
bool SVGLineElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
SVGTests::addSupportedAttributes(supportedAttributes);
SVGLangSpace::addSupportedAttributes(supportedAttributes);
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
supportedAttributes.add(SVGNames::x1Attr);
supportedAttributes.add(SVGNames::x2Attr);
supportedAttributes.add(SVGNames::y1Attr);
supportedAttributes.add(SVGNames::y2Attr);
}
return supportedAttributes.contains<QualifiedName, SVGAttributeHashTranslator>(attrName);
}
void SVGLineElement::parseAttribute(Attribute* attr)
{
SVGParsingError parseError = NoError;
if (!isSupportedAttribute(attr->name()))
SVGStyledTransformableElement::parseAttribute(attr);
else if (attr->name() == SVGNames::x1Attr)
setX1BaseValue(SVGLength::construct(LengthModeWidth, attr->value(), parseError));
else if (attr->name() == SVGNames::y1Attr)
setY1BaseValue(SVGLength::construct(LengthModeHeight, attr->value(), parseError));
else if (attr->name() == SVGNames::x2Attr)
setX2BaseValue(SVGLength::construct(LengthModeWidth, attr->value(), parseError));
else if (attr->name() == SVGNames::y2Attr)
setY2BaseValue(SVGLength::construct(LengthModeHeight, attr->value(), parseError));
else if (SVGTests::parseAttribute(attr)
|| SVGLangSpace::parseAttribute(attr)
|| SVGExternalResourcesRequired::parseAttribute(attr)) {
} else
ASSERT_NOT_REACHED();
reportAttributeParsingError(parseError, attr);
}
void SVGLineElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGStyledTransformableElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
bool isLengthAttribute = attrName == SVGNames::x1Attr
|| attrName == SVGNames::y1Attr
|| attrName == SVGNames::x2Attr
|| attrName == SVGNames::y2Attr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
if (SVGTests::handleAttributeChange(this, attrName))
return;
RenderSVGPath* renderer = static_cast<RenderSVGPath*>(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 SVGLineElement::selfHasRelativeLengths() const
{
return x1().isRelative()
|| y1().isRelative()
|| x2().isRelative()
|| y2().isRelative();
}
}
#endif // ENABLE(SVG)