void
DOMSVGPointList::Clear(ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return;
}
if (LengthNoFlush() > 0) {
AutoChangePointListNotifier notifier(this);
// DOM list items that are to be removed must be removed before we change
// the internal list, otherwise they wouldn't be able to copy their
// internal counterparts' values!
InternalListWillChangeTo(SVGPointList()); // clears mItems
if (!AttrIsAnimating()) {
// The anim val list is in sync with the base val list
DOMSVGPointList *animList =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (animList) {
animList->InternalListWillChangeTo(SVGPointList()); // clears its mItems
}
}
InternalList().Clear();
}
}
void
SVGAnimatedPointList::ClearBaseValue()
{
// We must send these notifications *before* changing mBaseVal! (See above.)
DOMSVGPointList *baseValWrapper =
DOMSVGPointList::GetDOMWrapperIfExists(GetBaseValKey());
if (baseValWrapper) {
baseValWrapper->InternalListWillChangeTo(SVGPointList());
}
if (!IsAnimating()) { // DOM anim val wraps our base val too!
DOMSVGPointList *animValWrapper =
DOMSVGPointList::GetDOMWrapperIfExists(GetAnimValKey());
if (animValWrapper) {
animValWrapper->InternalListWillChangeTo(SVGPointList());
}
}
mBaseVal.Clear();
// Caller notifies
}
