public void Unregister(BaseInformer informer)
{
if (!_items.Remove(informer))
{
return;
}
Stop(informer);
informer.Changed -= InformerOnChanged;
}
public void Register(BaseInformer informer)
{
if (informer == null)
{
throw new ArgumentNullException(nameof(informer));
}
if (_items.Any(x => string.Equals(x.Name, informer.Name, StringComparison.InvariantCultureIgnoreCase)))
{
throw new ArgumentException("Informer with same name already registered.", nameof(informer));
}
_items.Add(informer);
informer.Changed += InformerOnChanged;
if (Started)
{
Start(informer);
}
else
{
Stop(informer);
}
}
private void Stop(BaseInformer informer)
{
informer.Stop();
}
private void Start(BaseInformer informer)
{
informer.Start();
}