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);
}
Ejemplo n.º 2
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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);
}
Ejemplo n.º 3
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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;
}
Ejemplo n.º 6
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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;
}