private SingleTouchBinding GetBinding(ISingleTouchObserver observer)
{
foreach (SingleTouchBinding binding in this.Bindings)
{
if (binding.Observer == observer)
{
return(binding);
}
}
foreach (SingleTouchBinding binding in this.BindingsToAdd)
{
if (binding.Observer == observer)
{
return(binding);
}
}
foreach (SingleTouchBinding 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(ISingleTouchObserver observer)
{
SingleTouchBinding binding;
binding = this.GetBinding(observer);
if (binding != null)
{
this.RemoveBinding(binding);
}
}
/// <summary>
/// Adds a binding for the observer if one doesn't exist.
/// Modifies existing binding otherwise.
/// </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>
/// <param name="swallowsTouches">
/// The value indicating if the binding should swallow touches. If the value
/// is <c>true</c> and the observer's <see cref="ISingleTouchObserver.OnTouchBegan" />
/// method returns <c>true</c>, other observers with lower priority will not receive any
/// events for the touch.
/// </param>
public void Add(ISingleTouchObserver observer, int priority = 0, bool swallowsTouches = true)
{
SingleTouchBinding binding;
binding = this.GetBinding(observer);
if (binding == null)
{
binding = new SingleTouchBinding();
binding.Observer = observer;
binding.Priority = priority;
binding.SwallowsTouches = swallowsTouches;
this.AddBinding(binding);
}
else if (binding.Priority != priority || binding.SwallowsTouches != swallowsTouches)
{
binding.Priority = priority;
binding.SwallowsTouches = swallowsTouches;
this.Dirty = true;
}
}
public void Remove(ISingleTouchObserver observer)
{
this.SingleTouchHandler.Remove(observer);
}
public void Add(ISingleTouchObserver observer, int priority = 0, bool swallowsTouches = true)
{
this.SingleTouchHandler.Add(observer, priority, swallowsTouches);
}
