using System.Threading;
using Mono.Debugging.Evaluation;

namespace Mono.Debugging.Win32
{
	class CorMethodCall: AsyncOperation
	{
		public delegate void CallCallback ( );
		public delegate string DescriptionCallback ( );

		public CallCallback OnInvoke;
		public CallCallback OnAbort;
		public DescriptionCallback OnGetDescription;

		public ManualResetEvent DoneEvent = new ManualResetEvent (false);

		public override string Description
		{
			get { return OnGetDescription (); }
		}

		public CorMethodCall (CorEvaluationContext ctx) : base (ctx)
		{
		}

		public override void Invoke ( )
		{
			OnInvoke ();
		}

		public override void Abort ( )
		{
			OnAbort ();
		}

		public override void Shutdown ( )
		{
			try {
				Abort ();
			}
			catch {
			}
			DoneEvent.Set ();
		}

		public override bool WaitForCompleted (int timeout)
		{
			return DoneEvent.WaitOne (timeout, false);
		}
	}
}