SVGTRefElement.cpp [plain text]
#include "config.h"
#if ENABLE(SVG)
#include "SVGTRefElement.h"
#include "RenderSVGInline.h"
#include "RenderSVGResource.h"
#include "SVGDocument.h"
#include "SVGNames.h"
#include "Text.h"
#include "XLinkNames.h"
namespace WebCore {
DEFINE_ANIMATED_STRING(SVGTRefElement, XLinkNames::hrefAttr, Href, href)
inline SVGTRefElement::SVGTRefElement(const QualifiedName& tagName, Document* document)
: SVGTextPositioningElement(tagName, document)
{
ASSERT(hasTagName(SVGNames::trefTag));
}
PassRefPtr<SVGTRefElement> SVGTRefElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new SVGTRefElement(tagName, document));
}
void SVGTRefElement::updateReferencedText()
{
Element* target = treeScope()->getElementById(SVGURIReference::getTarget(href()));
String textContent;
if (target && target->isSVGElement())
textContent = static_cast<SVGElement*>(target)->textContent();
ExceptionCode ignore = 0;
setTextContent(textContent, ignore);
}
void SVGTRefElement::parseMappedAttribute(Attribute* attr)
{
if (SVGURIReference::parseMappedAttribute(attr)) {
updateReferencedText();
return;
}
SVGTextPositioningElement::parseMappedAttribute(attr);
}
void SVGTRefElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGTextPositioningElement::svgAttributeChanged(attrName);
if (!renderer())
return;
if (SVGURIReference::isKnownAttribute(attrName))
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer());
}
void SVGTRefElement::synchronizeProperty(const QualifiedName& attrName)
{
SVGTextPositioningElement::synchronizeProperty(attrName);
if (attrName == anyQName() || SVGURIReference::isKnownAttribute(attrName))
synchronizeHref();
}
AttributeToPropertyTypeMap& SVGTRefElement::attributeToPropertyTypeMap()
{
DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_attributeToPropertyTypeMap, ());
return s_attributeToPropertyTypeMap;
}
void SVGTRefElement::fillAttributeToPropertyTypeMap()
{
AttributeToPropertyTypeMap& attributeToPropertyTypeMap = this->attributeToPropertyTypeMap();
SVGTextPositioningElement::fillPassedAttributeToPropertyTypeMap(attributeToPropertyTypeMap);
attributeToPropertyTypeMap.set(XLinkNames::hrefAttr, AnimatedString);
}
RenderObject* SVGTRefElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderSVGInline(this);
}
bool SVGTRefElement::childShouldCreateRenderer(Node* child) const
{
if (child->isTextNode())
return true;
return false;
}
bool SVGTRefElement::rendererIsNeeded(RenderStyle* style)
{
if (parentNode()
&& (parentNode()->hasTagName(SVGNames::aTag)
#if ENABLE(SVG_FONTS)
|| parentNode()->hasTagName(SVGNames::altGlyphTag)
#endif
|| parentNode()->hasTagName(SVGNames::textTag)
|| parentNode()->hasTagName(SVGNames::textPathTag)
|| parentNode()->hasTagName(SVGNames::tspanTag)))
return StyledElement::rendererIsNeeded(style);
return false;
}
}
#endif // ENABLE(SVG)