using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class KeyboardShortcutManager : MonoBehaviour
{
	public void AddKeyData(GameObject target, KeyCode keyCode, Action onKeyDown, Action onKeyStay, Action onKeyUp)
	{
		this.m_CommandDataList.Add(new KeyboardShortcutManager.CommandData(target, keyCode, onKeyDown, onKeyStay, onKeyUp));
	}

	private void Update()
	{
		this.m_NowInputKey = KeyCode.None;
		if (Input.anyKey)
		{
			IEnumerator enumerator = Enum.GetValues(typeof(KeyCode)).GetEnumerator();
			try
			{
				while (enumerator.MoveNext())
				{
					object obj = enumerator.Current;
					KeyCode keyCode = (KeyCode)obj;
					if (Input.GetKey(keyCode))
					{
						this.m_NowInputKey = keyCode;
						break;
					}
				}
			}
			finally
			{
				IDisposable disposable;
				if ((disposable = (enumerator as IDisposable)) != null)
				{
					disposable.Dispose();
				}
			}
		}
		this.UpdateKey();
	}

	private void UpdateKey()
	{
		if (this.m_CommandDataList == null)
		{
			return;
		}
		foreach (KeyboardShortcutManager.CommandData commandData in this.m_CommandDataList)
		{
			if (!(commandData.targetObject == null))
			{
				bool flag = this.m_BeforeInputKey == commandData.keyCode;
				bool flag2 = this.m_NowInputKey == commandData.keyCode;
				if (!flag && flag2)
				{
					commandData.onKeyDown();
				}
				else if (flag && flag2)
				{
					commandData.onKeyStay();
				}
				else if (flag && !flag2)
				{
					commandData.onKeyUp();
				}
			}
		}
		this.m_BeforeInputKey = this.m_NowInputKey;
	}

	private void OnApplicationQuit()
	{
		this.m_IsApplicationQuit = true;
	}

	private void OnDestroy()
	{
		if (this.m_IsApplicationQuit)
		{
			return;
		}
		this.m_CommandDataList.Clear();
		this.m_CommandDataList = null;
	}

	private HashSet<KeyboardShortcutManager.CommandData> m_CommandDataList = new HashSet<KeyboardShortcutManager.CommandData>();

	private KeyCode m_BeforeInputKey;

	private KeyCode m_NowInputKey;

	private bool m_IsApplicationQuit;

	public class CommandData
	{
		public CommandData(GameObject targetObject, KeyCode keyCode, Action onKeyDown, Action onKeyStay, Action onKeyUp)
		{
			this.targetObject = targetObject;
			this.keyCode = keyCode;
			this.onKeyDown = onKeyDown;
			this.onKeyStay = onKeyStay;
			this.onKeyUp = onKeyUp;
		}

		public GameObject targetObject { get; private set; }

		public KeyCode keyCode { get; set; }

		public Action onKeyDown { get; set; }

		public Action onKeyStay { get; set; }

		public Action onKeyUp { get; set; }
	}
}