void
nsSMILInstanceTime::HandleChangedInterval(
const nsSMILTimeContainer* aSrcContainer,
PRBool aBeginObjectChanged,
PRBool aEndObjectChanged)
{
NS_ABORT_IF_FALSE(mBaseInterval,
"Got call to HandleChangedInterval on an independent instance time.");
NS_ABORT_IF_FALSE(mCreator, "Base interval is set but creator is not.");
if (mVisited) {
// Break the cycle here
Unlink();
return;
}
PRBool objectChanged = mCreator->DependsOnBegin() ? aBeginObjectChanged :
aEndObjectChanged;
AutoBoolSetter setVisited(mVisited);
nsRefPtr<nsSMILInstanceTime> deathGrip(this);
mCreator->HandleChangedInstanceTime(*GetBaseTime(), aSrcContainer, *this,
objectChanged);
}
void
nsSMILInstanceTime::HandleChangedInterval(
const nsSMILTimeContainer* aSrcContainer,
bool aBeginObjectChanged,
bool aEndObjectChanged)
{
// It's possible a sequence of notifications might cause our base interval to
// be updated and then deleted. Furthermore, the delete might happen whilst
// we're still in the queue to be notified of the change. In any case, if we
// don't have a base interval, just ignore the change.
if (!mBaseInterval)
return;
NS_ABORT_IF_FALSE(mCreator, "Base interval is set but creator is not.");
if (mVisited) {
// Break the cycle here
Unlink();
return;
}
bool objectChanged = mCreator->DependsOnBegin() ? aBeginObjectChanged :
aEndObjectChanged;
mozilla::AutoRestore<bool> setVisited(mVisited);
mVisited = true;
nsRefPtr<nsSMILInstanceTime> deathGrip(this);
mCreator->HandleChangedInstanceTime(*GetBaseTime(), aSrcContainer, *this,
objectChanged);
}
NS_IMETHODIMP
SimpleTimer::Notify(nsITimer *timer) {
RefPtr<SimpleTimer> deathGrip(this);
if (mTask) {
mTask->Run();
mTask = nullptr;
}
return NS_OK;
}
void
nsSMILInstanceTime::Unlink()
{
nsRefPtr<nsSMILInstanceTime> deathGrip(this);
if (mBaseInterval) {
mBaseInterval->RemoveDependentTime(*this);
mBaseInterval = nsnull;
}
mCreator = nsnull;
}
void
nsSMILInstanceTime::HandleDeletedInterval()
{
NS_ABORT_IF_FALSE(mBaseInterval,
"Got call to HandleDeletedInterval on an independent instance time");
NS_ABORT_IF_FALSE(mCreator, "Base interval is set but creator is not");
mBaseInterval = nsnull;
mFlags &= ~kMayUpdate; // Can't update without a base interval
nsRefPtr<nsSMILInstanceTime> deathGrip(this);
mCreator->HandleDeletedInstanceTime(*this);
mCreator = nsnull;
}
void
nsSMILInstanceTime::HandleDeletedInterval()
{
MOZ_ASSERT(mBaseInterval,
"Got call to HandleDeletedInterval on an independent instance "
"time");
MOZ_ASSERT(mCreator, "Base interval is set but creator is not");
mBaseInterval = nullptr;
mFlags &= ~kMayUpdate; // Can't update without a base interval
nsRefPtr<nsSMILInstanceTime> deathGrip(this);
mCreator->HandleDeletedInstanceTime(*this);
mCreator = nullptr;
}
