Unity uGUI用の長押し対応のコールバック機能付きマン

UILongPressabbleButtonController.cs

// namespace jigaX{
[RequireComponent(typeof(Button))]
public class UILongPressabbleButtonController : MonoBehaviour,IPointerDownHandler ,IPointerUpHandler {
	public System.Action onPressReaction,onReleaseReaction;
	public System.Action onLongPressReaction;
	public float longPressThreshold
	{
		private get;
		set;
	}
	bool pressed;
	#region IPointerDownHandler
	public virtual void OnPointerUp(PointerEventData eventData)
	{
		this.pressed = false;
		if (this.onReleaseReaction != null) this.onReleaseReaction();
	}
	#endregion //IPointerDownHandler
	#region IPointerDownHandler
	public virtual void OnPointerDown(PointerEventData eventData)
	{
		this.pressed = true;
		if (this.onPressReaction != null) this.onPressReaction();

		this.StartLongPress();
	}
	#endregion //IPointerDownHandler

	#region LongPress
	public virtual void OnLongPress()
	{
		if (this.onLongPressReaction != null) this.onLongPressReaction();
	}
	void StartLongPress()
	{
		if (_LongPress != null)
		{
			StopCoroutine(this._LongPress);
		}
		this._LongPress = this.__LongPress();
		StartCoroutine(this._LongPress);
	}
	IEnumerator _LongPress;
	IEnumerator __LongPress()
	{
		var t = 0f;
		while (this.pressed)
		{
			t += Time.deltaTime;
			yield return true;
			if ( t > this.longPressThreshold)
			{
				this.OnLongPress();
				yield break;
			}
		}
	}

	#endregion // LongPress

}