using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.Events;
using UnityEngine.UI;

namespace Cooldhands.UICursor.Example
{
	public class HoldButton : MonoBehaviour, IPointerDownHandler, IEventSystemHandler, IPointerUpHandler, IPointerExitHandler
	{
		public Image m_fillImage;

		public float m_waitTimeToHold = 0.2f;

		public UnityEvent OnHold;

		private float m_waitTime;

		private float m_progressWait = 1f;

		private bool m_holdAction;

		private bool m_holdFinish;

		public void OnPointerDown(PointerEventData pointerEventData)
		{
			m_waitTime = Time.time + m_waitTimeToHold;
			m_holdAction = true;
			m_holdFinish = false;
		}

		public void OnPointerExit(PointerEventData eventData)
		{
			m_holdAction = false;
		}

		public void OnPointerUp(PointerEventData pointerEventData)
		{
			m_holdAction = false;
		}

		private void Update()
		{
			if (m_holdAction)
			{
				if (Time.time > m_waitTime && !m_holdFinish)
				{
					m_fillImage.fillAmount += 1f / m_progressWait * Time.deltaTime;
					if (m_fillImage.fillAmount >= 1f && OnHold != null)
					{
						m_holdFinish = true;
						OnHold.Invoke();
					}
				}
			}
			else if (m_fillImage.fillAmount > 0f)
			{
				m_fillImage.fillAmount = 0f;
			}
		}
	}
}