using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Net;
using System.IO;
using System.Text;

namespace GoogleControl
{
	/// <summary>
	/// GoogleForm set the CSS with:
	/// &lt;link rel="stylesheet" href="ControlCss.aspx" type="text/css"&gt;
	/// ControlCss serves the CSS.
	/// <p>Copyright (c) 2002 Alexis Grandemange<br/>
	/// Mail: alexis.grandemange@pagebox.net</p>
	/// <pre>This program is free software; you can redistribute it and/or
	/// modify it under the terms of the GNU Lesser General Public
	/// License as published by the Free Software Foundation; version
	/// 2.1 of the License.
	/// This library is distributed in the hope that it will be useful,
	/// but WITHOUT ANY WARRANTY; without even the implied warranty of
	/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	/// GNU Lesser General Public License for more details.
	/// A copy of the GNU Lesser General Public License lesser.txt should be
	/// included in the distribution.</pre>
	/// </summary>
	public class ControlCss : System.Web.UI.Page
	{
		public ControlCss()
		{
			Page.Init += new System.EventHandler(Page_Init);
		}

		private void Page_Load(object sender, System.EventArgs e)
		{
			// Put user code to initialize the page here
		}

		private void Page_Init(object sender, EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
		}

		#region Web Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion
		
		/// <summary>
		/// The CSS is requested in the same session as GoogleForm.
		/// include use the referer object of the session to retrieve the CSS URL
		/// from the GoogleControl.xml info.
		/// Then include download and returns the CSS.
		/// </summary>
		public void include() 
		{
			string referer = (string)Session["referer"];
			if (referer == null)
				return;
			RefererItem ri = (RefererItem)Global.pages[referer];
			WebRequest WReq = WebRequest.Create(ri.css);
			WebResponse WResp = WReq.GetResponse();
			StreamReader sr = new StreamReader(WResp.GetResponseStream(), Encoding.ASCII);
			int length = 1024;
			char [] buf = new char[1024];
			int bytesread = 0;
			bytesread = sr.Read(buf, 0, length);
			while(bytesread > 0 ) 
			{
				Response.Write(buf,0, bytesread);   
				bytesread = sr.Read(buf, 0, length);
			}
		}
	}
}