ajaxasynchttphandler.cs

来自「AJAX开发工具包」· CS 代码 · 共 90 行

using System;
using System.Reflection;
using System.Web;
using System.Threading;
using System.Web.SessionState;

namespace AjaxPro
{
	public delegate void ImDone();

	public class AjaxAsyncHttpHandler : IHttpAsyncHandler
	{
		private IAjaxProcessor p;

		private HttpContext ctx = null;
		private AsyncCallback acb = null;
		private SimpleResult sr = new SimpleResult();
		private Thread th = null;
		private ImDone mcb = null;

		public AjaxAsyncHttpHandler(IAjaxProcessor p) : base()
		{
			this.p = p;
		}

		
		private void OnDone()
		{
			acb(sr);
		}

		#region IHttpAsyncHandler Members

		public IAsyncResult BeginProcessRequest(HttpContext context, System.AsyncCallback cb, object extraData)
		{
			ctx = context;
			acb = cb;

			// Create the delegate to be called when complete
			mcb = new ImDone(OnDone);

			IntPtr token = System.Security.Principal.WindowsIdentity.GetCurrent().Token;

			// Set up the thread object
			AjaxProcHelper m = new AjaxProcHelper(p, mcb, token);

			th = new Thread(new ThreadStart(m.Run));
			th.Start();

			return sr;
		}

		public void EndProcessRequest(IAsyncResult result)
		{
			int i = 0;
		}

		#endregion

		#region IHttpHandler Members

		public void ProcessRequest(HttpContext context)
		{
			// TODO:  Add AjaxAsyncHttpHandler.ProcessRequest implementation
		}

		public bool IsReusable
		{
			get
			{
				// TODO:  Add AjaxAsyncHttpHandler.IsReusable getter implementation
				return false;
			}
		}

		#endregion
	}


	public class AjaxAsyncHttpHandlerSession : AjaxAsyncHttpHandler, IRequiresSessionState
	{
		public AjaxAsyncHttpHandlerSession(IAjaxProcessor p) : base(p) { }
	}

	public class AjaxAsyncHttpHandlerSessionReadOnly : AjaxAsyncHttpHandler, IReadOnlySessionState
	{
		public AjaxAsyncHttpHandlerSessionReadOnly(IAjaxProcessor p) : base(p) { }
	}
}