nsresult
SVGLengthListSMILType::Assign(nsSMILValue& aDest,
const nsSMILValue& aSrc) const
{
NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types");
NS_PRECONDITION(aDest.mType == this, "Unexpected SMIL value");
const SVGLengthListAndInfo* src =
static_cast<const SVGLengthListAndInfo*>(aSrc.mU.mPtr);
SVGLengthListAndInfo* dest =
static_cast<SVGLengthListAndInfo*>(aDest.mU.mPtr);
return dest->CopyFrom(*src);
}
nsSMILValue
SVGAnimatedLengthList::SMILAnimatedLengthList::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(&SVGLengthListSMILType::sSingleton);
SVGLengthListAndInfo *llai = static_cast<SVGLengthListAndInfo*>(tmp.mU.mPtr);
nsresult rv = llai->CopyFrom(mVal->mBaseVal);
if (NS_SUCCEEDED(rv)) {
llai->SetInfo(mElement, mAxis, mCanZeroPadList);
val.Swap(tmp);
}
return val;
}