// Unity C# reference source
// Copyright (c) Unity Technologies. For terms of use, see
// https://unity3d.com/legal/licenses/Unity_Reference_Only_License

using RequiredByNativeCodeAttribute = UnityEngine.Scripting.RequiredByNativeCodeAttribute;
using System;
namespace UnityEngine
{
 public partial class AsyncOperation : YieldInstruction
 {
 internal IntPtr m_Ptr;

 ~AsyncOperation()
 {
 InternalDestroy(m_Ptr);
 }

 private System.Action<AsyncOperation> m_completeCallback;

 [RequiredByNativeCode]
 internal void InvokeCompletionEvent()
 {
 if (m_completeCallback != null)
 {
 m_completeCallback(this);
 m_completeCallback = null;
 }
 }

 public event System.Action<AsyncOperation> completed
 {
 add
 {
 if (isDone)
 {
 value(this);
 }
 else
 {
 m_completeCallback += value;
 }
 }
 remove
 {
 m_completeCallback -= value;
 }
 }
 }
}