StartAwareBehaviour.cs

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See LICENSE in the project root for license information.

using System;
using UnityEngine;

namespace HoloToolkit.Unity
{
    [Obsolete]
    public abstract class StartAwareBehaviour : MonoBehaviour
    {
        #region MonoBehaviour implementation

        protected virtual void OnEnable()
        {
            if (IsStarted)
            {
                OnEnableAfterStart();
            }
        }

        protected virtual void OnDisable()
        {
            if (IsStarted)
            {
                OnDisableAfterStart();
            }
        }

        protected virtual void Start()
        {
            IsStarted = true;
            OnEnableAfterStart();
        }

        #endregion

        protected bool IsStarted { get; private set; }

        protected virtual void OnEnableAfterStart()
        {
            Debug.Assert(IsStarted, "OnEnableAfterStart should only occur after Start.");
        }

        protected virtual void OnDisableAfterStart()
        {
            Debug.Assert(IsStarted, "OnDisableAfterStart should only occur after Start.");
        }
    }
}