/// <inheritdoc />
public void AddHandler <T>(IAciEventHandler <T> handler) where T : struct
{
Type eventArgType = typeof(T);
Delegate eventInstance = null;
if (!registry.TryGetValue(eventArgType, out eventInstance))
{
registry[eventArgType] = new EventDelegate <T>(handler.OnEvent);
return;
}
EventDelegate <T> del = eventInstance as EventDelegate <T>;
del += handler.OnEvent;
registry[eventArgType] = del;
}
/// <inheritdoc />
public void RemoveHandler <T>(IAciEventHandler <T> handler) where T : struct
{
Type eventArgType = typeof(T);
Delegate eventInstance = null;
if (!registry.TryGetValue(eventArgType, out eventInstance))
{
// we don't have a valid event instance
return;
}
EventDelegate <T> del = eventInstance as EventDelegate <T>;
del -= handler.OnEvent;
registry[eventArgType] = del;
// if we don't have any subscribers remove event handler
if (del != null)
{
return;
}
registry.Remove(eventArgType);
}
