//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Monday, July 31, 2017
//--------------------------------------------------------
using UnityEngine;
using System.Collections;
using UnityEngine.EventSystems;
using UnityEngine.Events;

namespace Snxxz.UI
{

    public class PointerDownUp : MonoBehaviour, IPointerDownHandler, IPointerUpHandler, IPointerClickHandler
    {

        [SerializeField]
        UIEvent m_OnPointerDown;
        public UIEvent onPointerDown { get { return m_OnPointerDown; } }

        [SerializeField]
        UIEvent m_OnPointerUp;
        public UIEvent onPointerUp { get { return m_OnPointerUp; } }

        [SerializeField]
        UIEvent m_OnPointerClick;
        public UIEvent onPointerClick {
            get {
                return m_OnPointerClick;
            }
        }

        public void OnPointerUp(PointerEventData eventData)
        {
            if (onPointerUp != null)
            {
                onPointerUp.Invoke();
            }
        }

        public void OnPointerDown(PointerEventData eventData)
        {
            if (onPointerDown != null)
            {
                onPointerDown.Invoke();
            }
        }

        public void OnPointerClick(PointerEventData eventData)
        {
            if (onPointerClick != null)
            {
                onPointerClick.Invoke();
            }
        }

        public void AddPointerDownListener(UnityAction _action)
        {
            if (onPointerDown != null)
            {
                onPointerDown.AddListener(_action);
            }
        }

        public void AddPointerUpListener(UnityAction _action)
        {
            if (onPointerUp != null)
            {
                onPointerUp.AddListener(_action);
            }
        }

        public void AddPointerClickListener(UnityAction _action)
        {
            if (onPointerClick != null)
            {
                onPointerClick.AddListener(_action);
            }
        }

        public void RemoveAllPointerDownListeners()
        {
            if (onPointerDown != null)
            {
                onPointerDown.RemoveAllListeners();
            }
        }

        public void RemoveAllPointerUpListeners()
        {
            if (onPointerUp != null)
            {
                onPointerUp.RemoveAllListeners();
            }
        }

        public void RemoveAllPointerClickListeners()
        {
            if (onPointerClick != null)
            {
                onPointerClick.RemoveAllListeners();
            }
        }


    }

}