SVGTextPositioningElement.cpp [plain text]
#include "config.h"
#include "SVGTextPositioningElement.h"
#include "RenderSVGInline.h"
#include "RenderSVGResource.h"
#include "RenderSVGText.h"
#include "SVGAltGlyphElement.h"
#include "SVGLengthListValues.h"
#include "SVGNames.h"
#include "SVGNumberListValues.h"
#include "SVGTRefElement.h"
#include "SVGTSpanElement.h"
#include "SVGTextElement.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGTextPositioningElement);
SVGTextPositioningElement::SVGTextPositioningElement(const QualifiedName& tagName, Document& document)
: SVGTextContentElement(tagName, document)
{
registerAttributes();
}
void SVGTextPositioningElement::registerAttributes()
{
auto& registry = attributeRegistry();
if (!registry.isEmpty())
return;
registry.registerAttribute<SVGNames::xAttr, &SVGTextPositioningElement::m_x>();
registry.registerAttribute<SVGNames::yAttr, &SVGTextPositioningElement::m_y>();
registry.registerAttribute<SVGNames::dxAttr, &SVGTextPositioningElement::m_dx>();
registry.registerAttribute<SVGNames::dyAttr, &SVGTextPositioningElement::m_dy>();
registry.registerAttribute<SVGNames::rotateAttr, &SVGTextPositioningElement::m_rotate>();
}
void SVGTextPositioningElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == SVGNames::xAttr) {
SVGLengthListValues newList;
newList.parse(value, LengthModeWidth);
m_x.detachAnimatedListWrappers(attributeOwnerProxy(), newList.size());
m_x.setValue(WTFMove(newList));
return;
}
if (name == SVGNames::yAttr) {
SVGLengthListValues newList;
newList.parse(value, LengthModeHeight);
m_y.detachAnimatedListWrappers(attributeOwnerProxy(), newList.size());
m_y.setValue(WTFMove(newList));
return;
}
if (name == SVGNames::dxAttr) {
SVGLengthListValues newList;
newList.parse(value, LengthModeWidth);
m_dx.detachAnimatedListWrappers(attributeOwnerProxy(), newList.size());
m_dx.setValue(WTFMove(newList));
return;
}
if (name == SVGNames::dyAttr) {
SVGLengthListValues newList;
newList.parse(value, LengthModeHeight);
m_dy.detachAnimatedListWrappers(attributeOwnerProxy(), newList.size());
m_dy.setValue(WTFMove(newList));
return;
}
if (name == SVGNames::rotateAttr) {
SVGNumberListValues newList;
newList.parse(value);
m_rotate.detachAnimatedListWrappers(attributeOwnerProxy(), newList.size());
m_rotate.setValue(WTFMove(newList));
return;
}
SVGTextContentElement::parseAttribute(name, value);
}
void SVGTextPositioningElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
if (name == SVGNames::xAttr || name == SVGNames::yAttr)
return;
SVGTextContentElement::collectStyleForPresentationAttribute(name, value, style);
}
bool SVGTextPositioningElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == SVGNames::xAttr || name == SVGNames::yAttr)
return false;
return SVGTextContentElement::isPresentationAttribute(name);
}
void SVGTextPositioningElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (isKnownAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
if (attrName != SVGNames::rotateAttr)
updateRelativeLengthsInformation();
if (auto renderer = this->renderer()) {
if (auto* textAncestor = RenderSVGText::locateRenderSVGTextAncestor(*renderer))
textAncestor->setNeedsPositioningValuesUpdate();
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
}
return;
}
SVGTextContentElement::svgAttributeChanged(attrName);
}
SVGTextPositioningElement* SVGTextPositioningElement::elementFromRenderer(RenderBoxModelObject& renderer)
{
if (!is<RenderSVGText>(renderer) && !is<RenderSVGInline>(renderer))
return nullptr;
ASSERT(renderer.element());
SVGElement& element = downcast<SVGElement>(*renderer.element());
if (!is<SVGTextElement>(element)
&& !is<SVGTSpanElement>(element)
#if ENABLE(SVG_FONTS)
&& !is<SVGAltGlyphElement>(element)
#endif
&& !is<SVGTRefElement>(element))
return nullptr;
return &static_cast<SVGTextPositioningElement&>(element);
}
}