bool SVGTests::handleAttributeChange(SVGElement* targetElement, const QualifiedName& attrName)
{
ASSERT(targetElement);
if (!isKnownAttribute(attrName))
return false;
if (!targetElement->inDocument())
return true;
bool valid = targetElement->isValid();
if (valid && !targetElement->attached())
targetElement->attach();
if (!valid && targetElement->attached())
targetElement->detach();
return true;
}
bool SVGTests::handleAttributeChange(const SVGElement* targetElement, const QualifiedName& attrName)
{
if (!isKnownAttribute(attrName))
return false;
if (!targetElement->inDocument())
return false;
SVGElement* svgElement = const_cast<SVGElement*>(targetElement);
ASSERT(svgElement);
bool valid = svgElement->isValid();
if (valid && !svgElement->attached())
svgElement->attach();
if (!valid && svgElement->attached())
svgElement->detach();
return true;
}
void SVGTextPositioningElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGTextContentElement::svgAttributeChanged(attrName);
if (attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::dxAttr
|| attrName == SVGNames::dyAttr)
updateRelativeLengthsInformation();
if (!renderer())
return;
if (isKnownAttribute(attrName))
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer());
}
bool SVGExternalResourcesRequired::handleAttributeChange(SVGElement* targetElement, const QualifiedName& attrName)
{
ASSERT(targetElement);
if (!isKnownAttribute(attrName))
return false;
if (!targetElement->inDocument())
return true;
// Handle dynamic updates of the 'externalResourcesRequired' attribute. Only possible case: changing from 'true' to 'false'
// causes an immediate dispatch of the SVGLoad event. If the attribute value was 'false' before inserting the script element
// in the document, the SVGLoad event has already been dispatched.
if (!externalResourcesRequiredBaseValue() && !haveFiredLoadEvent() && !isParserInserted()) {
setHaveFiredLoadEvent(true);
ASSERT(targetElement->haveLoadedRequiredResources());
targetElement->sendSVGLoadEventIfPossible();
}
return true;
}
