using System.Collections;
using UnityEngine;

namespace UIWidgets
{
	[RequireComponent(typeof(RectTransform))]
	public class SlideUp : MonoBehaviour
	{
		private RectTransform rect;

		private void Awake()
		{
			rect = base.transform as RectTransform;
		}

		public void Run()
		{
			StartCoroutine(StartAnimation());
		}

		private IEnumerator StartAnimation()
		{
			yield return StartCoroutine(AnimationCollapse());
			base.gameObject.SetActive(false);
		}

		private void OnDisable()
		{
			Notify.FreeSlide(rect);
		}

		private IEnumerator AnimationCollapse()
		{
			float max_height = rect.rect.height;
			float speed = 200f;
			float time = max_height / speed;
			float end_time = Time.time + time;
			while (Time.time <= end_time)
			{
				float height = Mathf.Lerp(max_height, 0f, 1f - (end_time - Time.time) / time);
				rect.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, height);
				yield return null;
			}
			rect.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, max_height);
		}
	}
}