using System;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace BF
{
    [RequireComponent(typeof(CanvasRenderer))]
    public class BFUnitySlider : Slider, IBeginDragHandler, IEndDragHandler
    {
        protected Action beginDrag {get; set;}
        protected Action endDrag {get; set;}

        public void AddOnBeginDragCallback(Action callback)
        {
            beginDrag = callback;
        }
        public void AddOnEndDragCallback(Action callback)
        {
            endDrag = callback;
        }

        public void OnBeginDrag(PointerEventData eventData)
        {
            beginDrag?.Invoke();
        }

        public void OnEndDrag(PointerEventData eventData)
        {
            endDrag?.Invoke();
        }
    }
}