nsSMILValue
nsSVGTransformSMILAttr::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(&nsSVGTransformSMILType::sSingleton);
nsIDOMSVGTransformList *list = mVal->mBaseVal.get();
PRUint32 numItems = 0;
list->GetNumberOfItems(&numItems);
for (PRUint32 i = 0; i < numItems; i++) {
nsCOMPtr<nsIDOMSVGTransform> transform;
nsresult rv = list->GetItem(i, getter_AddRefs(transform));
if (NS_SUCCEEDED(rv) && transform) {
rv = AppendSVGTransformToSMILValue(transform.get(), val);
if (NS_FAILED(rv)) { // Appending to |val| failed (OOM?)
val = nsSMILValue();
break;
}
}
}
return val;
}
nsSMILValue
nsSVGTransformSMILAttr::GetBaseValue() const
{
nsSMILValue val(&nsSVGTransformSMILType::sSingleton);
if (val.IsNull())
return val; // Initialization failed
nsIDOMSVGTransformList *list = mVal->mBaseVal.get();
PRUint32 numItems = 0;
list->GetNumberOfItems(&numItems);
for (PRUint32 i = 0; i < numItems; i++) {
nsCOMPtr<nsIDOMSVGTransform> transform;
nsresult rv = list->GetItem(i, getter_AddRefs(transform));
if (NS_SUCCEEDED(rv) && transform) {
rv = AppendSVGTransformToSMILValue(transform.get(), val);
NS_ENSURE_SUCCESS(rv, nsSMILValue());
}
}
return val;
}