/**
* @see SMILANIM 3.3.4
*/
nsSMILTimeValue
nsSMILTimedElement::CalcActiveEnd(const nsSMILTimeValue& aBegin,
const nsSMILTimeValue& aEnd)
{
nsSMILTimeValue result;
NS_ASSERTION(mSimpleDur.IsResolved() || mSimpleDur.IsIndefinite(),
"Unresolved simple duration in CalcActiveEnd.");
if (!aBegin.IsResolved() && !aBegin.IsIndefinite()) {
NS_ERROR("Unresolved begin time passed to CalcActiveEnd.");
result.SetIndefinite();
return result;
}
if (mRepeatDur.IsIndefinite() || aBegin.IsIndefinite()) {
result.SetIndefinite();
} else {
result = GetRepeatDuration();
}
if (aEnd.IsResolved() && aBegin.IsResolved()) {
nsSMILTime activeDur = aEnd.GetMillis() - aBegin.GetMillis();
if (result.IsResolved()) {
result.SetMillis(PR_MIN(result.GetMillis(), activeDur));
} else {
result.SetMillis(activeDur);
}
}
result = ApplyMinAndMax(result);
if (result.IsResolved()) {
nsSMILTime activeEnd = result.GetMillis() + aBegin.GetMillis();
result.SetMillis(activeEnd);
}
return result;
}
nsSMILTimeValue
nsSMILTimedElement::ApplyMinAndMax(const nsSMILTimeValue& aDuration)
{
if (!aDuration.IsResolved() && !aDuration.IsIndefinite()) {
return aDuration;
}
if (mMax.CompareTo(mMin) < 0) {
return aDuration;
}
nsSMILTimeValue result;
if (aDuration.CompareTo(mMax) > 0) {
result = mMax;
} else if (aDuration.CompareTo(mMin) < 0) {
nsSMILTimeValue repeatDur = GetRepeatDuration();
result = (mMin.CompareTo(repeatDur) > 0) ? repeatDur : mMin;
} else {
result = aDuration;
}
return result;
}
