//
// rs.js - Remote Scripting JavaScript Include File
//
// Rewritten from jsrsClient.js, taken from
// http://www.ashleyit.com/rs/jsrs/test.htm (version 2.3)
// Copyright (C) 2001 by Brent Ashley
// Rewrite Copyright (C) 2004 by Alvaro Mendez
//
// Include this file inside your page like this:
// <script language='JavaScript' src='/scripts/rs.js'></script>
//
// This is the object to use, along with the Execute function (below)
var RS = new RemoteScripting();
var calltouse=0;
// Remote Scripting class.
// This class should NOT be instanciated -- use the global RS object.
function RemoteScripting()
{
this.pool = new Array();
this.poolSize = 0;
this.maxPoolSize = 200;
this.usePOST = true;
this.debug = false;
// Sniff the browser
if (document.layers)
this.browser = "NS";
else if (document.all)
{
var agent = navigator.userAgent.toLowerCase();
if (agent.indexOf("opera") != -1)
this.browser = "OPR";
else if (agent.indexOf("konqueror") != -1)
this.browser = "KONQ";
else
this.browser = "IE";
}
else if (document.getElementById)
this.browser = "MOZ";
else
this.browser = "OTHER";
}
// Executes a remote method found on a given URL.
// Usage: Execute(url,method,p1 ... pn,callback,error_callback)
// url : url of file containing method to invoke
// method : name of the Server-side method to be invoked
// p1...pn : any parameters to be passed to the Server-side method
// callback : optional JavaScript function to call on successful return.
// error_callback : optional JavaScript function to call on failed return.
// If not passed and an error occurs, an alert box is shown.
RemoteScripting.prototype.Execute = function(url, method)
{
var call = this.getAvailableCall();
var args = RemoteScripting.prototype.Execute.arguments;
var len = RemoteScripting.prototype.Execute.arguments.length;
var methodArgs = new Array();
for (var i = 2; i < len; i++)
{
if (typeof(args[i]) == 'function')
{
call.callback = args[i];
if (i + 1 < len)
call.error_callback = args[i + 1];
break;
}
methodArgs[i - 2] = args[i];
}
call.showIfDebugging();
if (this.usePOST && ((this.browser == 'IE') || (this.browser == 'MOZ')))
call.POST(url, method, methodArgs);
else
call.GET(url, method, methodArgs);
return this.id;
}
// Pops up a separate window containing Debug information.
// You can attach this to the F1 key for IE with onHelp = "return RS.showDebugInfo() in the body tag.
RemoteScripting.prototype.PopupDebugInfo = function()
{
var doc = window.open().document;
doc.open();
doc.write('<html><body>Pool Size: ' + this.poolSize + '<br><font face = "arial" size = "2"><b>');
for (var i in this.pool)
{
var call = this.pool[i];
doc.write('<hr>' + call.id + ' : ' + (call.busy ? 'busy' : 'available') + '<br>');
doc.write(call.container.document.location.pathname + '<br>');
doc.write(call.container.document.location.search + '<br>');
doc.write('<table border = "1"><tr><td>' + call.container.document.body.innerHTML + '</td></tr></table>');
}
doc.write('</table></body></html>');
doc.close();
return false;
}
// Retrieves an available Call object from the pool.
// This function is used internally and should be treated as private.
RemoteScripting.prototype.getAvailableCall = function()
{
for (var i in this.poolSize)
{
var call = this.pool['C' + (i + 1)];
if (!call.busy)
{
call.busy = true;
return this.pool[call.id];
}
}
// If we got here, there are no existing free calls
if (this.poolSize <= this.maxPoolSize)
{
var callID = "C" + (this.poolSize + 1);
this.pool[callID] = new RemoteScriptingCall(callID);
this.poolSize++;
return this.pool[callID];
}
else
{
var call = this.pool['C' + (calltouse + 1)];
call.busy = true;
return this.pool[call.id];
calltouse=(calltouse+1)%this.maxPoolSize;
}
//alert("RemoteScripting Error: Call pool is full!");
//return null;
}
// Remote Scripting Call class.
// This class should NOT be instanciated -- this is used by the RS object's pool.
function RemoteScriptingCall(callID)
{
this.id = callID;
this.busy = true;
this.callback = null;
this.error_callback = null;
switch (RS.browser)
{
case 'IE':
document.body.insertAdjacentHTML("afterBegin", '<span id = "SPAN' + callID + '"></span>');
var span = document.all("SPAN" + callID);
var html = '<iframe style = "width:800px" name = "' + callID + '" src = ""></iframe>';
span.innerHTML = html;
span.style.display = 'none';
this.container = window.frames[callID];
break;
case 'NS':
this.container = new Layer(100);
this.container.name = callID;
this.container.visibility = 'hidden';
this.container.clip.width = 100;
this.container.clip.height = 100;
break;
case 'MOZ':
case 'OPR':
var span = document.createElement('SPAN');
span.id = "SPAN" + callID;
document.body.appendChild(span);
var iframe = document.createElement('IFRAME');
iframe.id = callID;
iframe.name = callID;
iframe.style.width = 800;
iframe.style.height = 200;
span.appendChild(iframe);
this.container = iframe;
break;
case 'KONQ':
default:
var span = document.createElement('SPAN');
span.id = "SPAN" + callID;
document.body.appendChild(span);
var iframe = document.createElement('IFRAME');
iframe.id = callID;
iframe.name = callID;
iframe.style.width = 800;
iframe.style.height = 200;
span.appendChild(iframe);
this.container = iframe;
// Needs to be hidden for Konqueror, otherwise it'll appear on the page
span.style.display = none;
iframe.style.display = none;
iframe.style.visibility = hidden;
iframe.height = 0;
iframe.width = 0;
}
}
// Posts to the given url to have it invoke the given method.
// This function is used internally and should be treated as private.
RemoteScriptingCall.prototype.POST = function(url, method, args)
{
var d = new Date();
var unique = d.getTime() + '' + Math.floor(1000 * Math.random());
var doc = (RS.browser == "IE") ? this.container.document : this.container.contentDocument;
var paramSep = (url.lastIndexOf('?') < 0 ? '?' : '&');
doc.open();
doc.write('<html><body>');
doc.write('<form name="rsForm" method="post" target=""');
doc.write('action="' + url + paramSep + 'U=' + unique + '">');
doc.write('<input type="hidden" name="RC" value="' + this.id + '">');
// func and args are optional
if (method != null)
{
doc.write('<input type = "hidden" name = "M" value = "' + method + '">');
if (args != null)
{
if (typeof(args) == "string")
{
// single parameter
doc.write('<input type = "hidden" name = "P0" '
+ 'value = "[' + this.escapeParam(args) + ']">');
}
else
{
// assume args is array of strings
for (var i = 0; i < args.length; i++)
{
doc.write('<input type = "hidden" name = "P' + i + '" '
+ 'value = "[' + this.escapeParam(args[i]) + ']">');
}
} // parm type
} // args
} // method
doc.write('</form></body></html>');
doc.close();
doc.forms['rsForm'].submit();
}
// Navigates to the given url to have it invoke the given method.
// This function is used internally and should be treated as private.
RemoteScriptingCall.prototype.GET = function(url, method, args)
{
// build URL to call
var URL = url;
var paramSep = (url.lastIndexOf('?') < 0 ? '?' : '&');
// always send call
URL += paramSep + "RC=" + this.id;
// method and args are optional
if (method != null)
{
URL += "&M=" + escape(method);
if (args != null)
{
if (typeof(args) == "string")
{
// single parameter
URL += "&P0=[" + escape(ar
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default.aspx.resx 5KB default.aspx.cs 2KB
bin AMS.Web.RemoteScripting.dll 9KB ASPNETChat.csproj 6KB Chat.aspx.resx 5KB Web.config 4KB ASPNETChat.sln 933B ChatEngine.cs 11KB Chat.aspx.cs 4KB AssemblyInfo.cs 3KB Global.asax.resx 2KB default.aspx 2KB ASPNETChat.csproj.webinfo 118B Global.asax.cs 2KB Chat.aspx 4KB Global.asax 77B scripts rs.js 11KB
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