private MultiTouchBinding GetBinding(IMultiTouchObserver observer)
{
foreach (MultiTouchBinding binding in this.Bindings)
{
if (binding.Observer == observer)
{
return(binding);
}
}
foreach (MultiTouchBinding binding in this.BindingsToAdd)
{
if (binding.Observer == observer)
{
return(binding);
}
}
foreach (MultiTouchBinding binding in this.BindingsToRemove)
{
if (binding.Observer == observer)
{
return(binding);
}
}
return(null);
}
/// <summary>
/// Removes the binding for the observer.
/// </summary>
/// <param name="observer">The observer to remove.</param>
public void Remove(IMultiTouchObserver observer)
{
MultiTouchBinding binding;
binding = this.GetBinding(observer);
if (binding != null)
{
this.RemoveBinding(binding);
}
}
/// <summary>
/// Adds a binding for the observer, unless one already exists.
/// </summary>
/// <param name="observer">The observer to add.</param>
/// <param name="priority">
/// The priority of the observer. Observers with higher priority will
/// receive touch events before observers with lower priority.The
/// default value is zero.
/// </param>
public void Add(IMultiTouchObserver observer, int priority = 0)
{
MultiTouchBinding binding;
binding = this.GetBinding(observer);
if (binding == null)
{
binding = new MultiTouchBinding();
binding.Observer = observer;
binding.Priority = priority;
this.AddBinding(binding);
}
}
public void Remove(IMultiTouchObserver observer)
{
this.MultiTouchHandler.Remove(observer);
}
public void Add(IMultiTouchObserver observer, int priority = 0)
{
this.MultiTouchHandler.Add(observer, priority);
}
