nsresult SVGPathSegListSMILType::Assign(SMILValue& aDest,
const SMILValue& aSrc) const {
MOZ_ASSERT(aDest.mType == aSrc.mType, "Incompatible SMIL types");
MOZ_ASSERT(aDest.mType == this, "Unexpected SMIL value");
const SVGPathDataAndInfo* src =
static_cast<const SVGPathDataAndInfo*>(aSrc.mU.mPtr);
SVGPathDataAndInfo* dest = static_cast<SVGPathDataAndInfo*>(aDest.mU.mPtr);
return dest->CopyFrom(*src);
}
nsSMILValue
SVGAnimatedPathSegList::SMILAnimatedPathSegList::GetBaseValue() const
{
// To benefit from Return Value Optimization and avoid copy constructor calls
// due to our use of return-by-value, we must return the exact same object
// from ALL return points. This function must only return THIS variable:
nsSMILValue val;
nsSMILValue tmp(SVGPathSegListSMILType::Singleton());
SVGPathDataAndInfo *list = static_cast<SVGPathDataAndInfo*>(tmp.mU.mPtr);
nsresult rv = list->CopyFrom(mVal->mBaseVal);
if (NS_SUCCEEDED(rv)) {
list->SetElement(mElement);
val = Move(tmp);
}
return val;
}