Type.registerNamespace('AjaxControlToolkit.Threading');AjaxControlToolkit.DeferredOperation=function(delay,context,callback){
this._delay=delay;this._context=context;this._callback=callback;this._completeCallback=null;this._errorCallback=null;this._timer=null;this._callArgs=null;this._isComplete=false;this._completedSynchronously=false;this._asyncResult=null;this._exception=null;this._throwExceptions=true;this._oncomplete$delegate=Function.createDelegate(this,this._oncomplete);this.post=Function.createDelegate(this,this.post);}
AjaxControlToolkit.DeferredOperation.prototype={
get_isPending:function(){
return(this._timer!=null);},
get_isComplete:function(){
return this._isComplete;},
get_completedSynchronously:function(){
return this._completedSynchronously;},
get_exception:function(){
return this._exception;},
get_throwExceptions:function(){
return this._throwExceptions;},
set_throwExceptions:function(value){
this._throwExceptions=value;},
get_delay:function(){
return this._delay;},
set_delay:function(value){
this._delay=value;},
post:function(args){
var ar=[];for(var i=0;i<arguments.length;i++){
ar[i]=arguments[i];}
this.beginPost(ar,null,null);},
beginPost:function(args,completeCallback,errorCallback){
this.cancel();this._callArgs=Array.clone(args||[]);this._completeCallback=completeCallback;this._errorCallback=errorCallback;if(this._delay==-1){
this._oncomplete();this._completedSynchronously=true;}else{
this._timer=setTimeout(this._oncomplete$delegate,this._delay);}},
cancel:function(){
if(this._timer){
clearTimeout(this._timer);this._timer=null;}
this._callArgs=null;this._isComplete=false;this._asyncResult=null;this._completeCallback=null;this._errorCallback=null;this._exception=null;this._completedSynchronously=false;},
complete:function(){
if(this._timer){
try{
this._oncomplete();}finally{
this._completedSynchronously=true;}
return this._asyncResult;}else if(this._isComplete){
return this._asyncResult;}},
_oncomplete:function(){
var args=this._callArgs;var completeCallback=this._completeCallback;var errorCallback=this._errorCallback;this.cancel();try{
if(args){
this._asyncResult=this._callback.apply(this._context,args);}else{
this._asyncResult=this._callback.call(this._context);}
this._isComplete=true;this._completedSynchronously=false;if(completeCallback){
completeCallback(this);}}catch(e){
this._isComplete=true;this._completedSynchronously=false;this._exception=e;if(errorCallback){
if(errorCallback(this)){
return;}}
if(this._throwExceptions){
throw e;}}}}
AjaxControlToolkit.DeferredOperation.registerClass("AjaxControlToolkit.DeferredOperation");