// Call only from Steps!
public void RegisterStep(Step step)
{
step.StateChanged += HandleStepStateChanged;
step.SeekToRequested += HandleStepSeekToRequested;
step.SeekThroughRequested += HandleStepSeekThroughRequested;
if (!step.IsJustMovingNotBeingDeleted)
{
var boundsProvider = step as IBoundsProvider;
if (boundsProvider != null)
{
BoundsProviderRepository.Add(boundsProvider);
}
}
RegisteredSteps.Add(step);
}
// Call only from Steps!
public void UnregisterStep(Step step)
{
step.StateChanged -= HandleStepStateChanged;
step.SeekToRequested -= HandleStepSeekToRequested;
step.SeekThroughRequested -= HandleStepSeekThroughRequested;
RegisteredSteps.Remove(step);
if (!step.IsJustMovingNotBeingDeleted)
{
var boundsProvider = step as IBoundsProvider;
if (boundsProvider != null)
{
BoundsProviderRepository.Remove(boundsProvider);
}
}
step.CleanUp();
StepUnregistered(step);
}
