public IListObserver <T> Subscribe(HandleItemAdded <T> add, HandleItemRemoved <T> remove, GameObject scope)
{
IListObserver <T> observer = Subscribe(add, remove);
scope.GetOrCreateComponent <ObserverScope>().AddUnsubscribe(() => Unsubscribe(observer));
return(observer);
}
public IListObserver <T> Subscribe(HandleItemAdded <T> add, HandleItemRemoved <T> remove, ObserverScope scope)
{
IListObserver <T> observer = Subscribe(add, remove);
scope.AddUnsubscribe(() => Unsubscribe(observer));
return(observer);
}
public IListObserver <T> Subscribe(HandleItemAdded <T> add, HandleItemRemoved <T> remove)
{
var observer = new ListObserver <T>(add, remove);
Subscribe(observer);
return(observer);
}
public virtual void Unsubscribe(HandleItemAdded <T> add, HandleItemRemoved <T> remove, bool callRemoveOnCurrentItems = false)
{
Added -= add;
Removed -= remove;
if (!callRemoveOnCurrentItems)
{
return;
}
foreach (T item in Items)
{
remove(item);
}
}
protected virtual void OnAdded(T item)
{
HandleItemAdded <T> handler = Added;
handler?.Invoke(item);
}
public void Unsubscribe(HandleItemAdded <T> add, HandleItemRemoved <T> remove, bool callRemoveOnCurrentItems = false)
{
_filteredItems.Unsubscribe(add, remove, callRemoveOnCurrentItems);
}
public IListObserver <T> Subscribe(HandleItemAdded <T> add, HandleItemRemoved <T> remove)
{
return(_filteredItems.Subscribe(add, remove));
}
public ListObserver(HandleItemAdded <T> add, HandleItemRemoved <T> remove)
{
_add = add;
_remove = remove;
}
