public List <string> SubscribeChildListener(IChildListener listener)
{
_childListeners.GetOrAdd(listener.GroupPath, new List <IChildListener>())
.Add(listener);
return(this.GetChildren(listener.GroupPath, true).ToList());
}
/// <summary>
/// Instantiates a new ChildManager.
/// </summary>
/// <param name="group">Group to manage.</param>
/// <param name="childCallback">Callback to register child changes.</param>
public ChildManager(GroupViewModel group, IChildListener childCallback)
{
Group = group;
ChildCallback = childCallback;
if (group != null)
{
Group.Children.CollectionChanged += (sender, args) => ChildCallback.ChildValueChanged();
}
}
public void UnsubscribeChildListener(IChildListener listener)
{
_childListeners.GetOrAdd(listener.GroupPath, new List <IChildListener>())
.Remove(listener);
}
public FirebaseChildListener(IChildListener childListener)
{
this.childListener = childListener;
}
