SVGElement::~SVGElement()
{
if (!hasSVGRareData())
ASSERT(!SVGElementRareData::rareDataMap().contains(this));
else {
SVGElementRareData::SVGElementRareDataMap& rareDataMap = SVGElementRareData::rareDataMap();
SVGElementRareData::SVGElementRareDataMap::iterator it = rareDataMap.find(this);
ASSERT(it != rareDataMap.end());
SVGElementRareData* rareData = it->value;
rareData->destroyAnimatedSMILStyleProperties();
if (SVGCursorElement* cursorElement = rareData->cursorElement())
cursorElement->removeClient(this);
if (CSSCursorImageValue* cursorImageValue = rareData->cursorImageValue())
cursorImageValue->removeReferencedElement(this);
delete rareData;
// The rare data cleanup may have caused other SVG nodes to be deleted,
// modifying the rare data map. Do not rely on the existing iterator.
ASSERT(rareDataMap.contains(this));
rareDataMap.remove(this);
// Clear HasSVGRareData flag now so that we are in a consistent state when
// calling rebuildAllElementReferencesForTarget() and
// removeAllElementReferencesForTarget() below.
clearHasSVGRareData();
}
document().accessSVGExtensions()->rebuildAllElementReferencesForTarget(this);
document().accessSVGExtensions()->removeAllElementReferencesForTarget(this);
ASSERT(inDocument() || !hasRelativeLengths());
}
SVGElement::~SVGElement()
{
if (!hasSVGRareData())
ASSERT(!SVGElementRareData::rareDataMap().contains(this));
else {
ASSERT(document());
SVGElementRareData::SVGElementRareDataMap& rareDataMap = SVGElementRareData::rareDataMap();
SVGElementRareData::SVGElementRareDataMap::iterator it = rareDataMap.find(this);
ASSERT(it != rareDataMap.end());
SVGElementRareData* rareData = it->value;
rareData->destroyAnimatedSMILStyleProperties();
if (SVGCursorElement* cursorElement = rareData->cursorElement())
cursorElement->removeClient(this);
if (CSSCursorImageValue* cursorImageValue = rareData->cursorImageValue())
cursorImageValue->removeReferencedElement(this);
delete rareData;
// The rare data cleanup may have caused other SVG nodes to be deleted,
// modifying the rare data map, so we must re-get the iterator here.
it = rareDataMap.find(this);
ASSERT(it != rareDataMap.end());
rareDataMap.remove(it);
}
ASSERT(document());
document()->accessSVGExtensions()->rebuildAllElementReferencesForTarget(this);
document()->accessSVGExtensions()->removeAllElementReferencesForTarget(this);
}
void SVGElement::setCursorElement(SVGCursorElement* cursorElement)
{
SVGElementRareData* rareData = ensureSVGRareData();
if (SVGCursorElement* oldCursorElement = rareData->cursorElement()) {
if (cursorElement == oldCursorElement)
return;
oldCursorElement->removeReferencedElement(this);
}
rareData->setCursorElement(cursorElement);
}