flymis/WebRoot/dojojs/src/io/ScriptSrcIO.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.io.ScriptSrcIO");
dojo.require("dojo.io.BrowserIO");
dojo.require("dojo.undo.browser");

//FIXME: should constantParams be JS object?
//FIXME: check dojo.io calls. Can we move the BrowserIO defined calls somewhere
//       else so that we don't depend on BrowserIO at all? The dependent calls
//       have to do with dealing with forms and making query params from JS object.
/**
 * See test_ScriptSrcIO.html for usage information.
 * Notes:
 * - The watchInFlight timer is set to 100 ms instead of 10ms (which is what BrowserIO.js uses).
 */
dojo.io.ScriptSrcTransport = new function(){
	this.preventCache = false; // if this is true, we'll always force GET requests to not cache
	this.maxUrlLength = 1000; //Used to calculate if script request should be multipart.
	this.inFlightTimer = null;

	this.DsrStatusCodes = {
		Continue: 100,
		Ok: 200,
		Error: 500
	};

	this.startWatchingInFlight = function(){
		if(!this.inFlightTimer){
			this.inFlightTimer = setInterval("dojo.io.ScriptSrcTransport.watchInFlight();", 100);
		}
	}

	this.watchInFlight = function(){
		var totalCount = 0;
		var doneCount = 0;
		for(var param in this._state){
			totalCount++;
			var currentState = this._state[param];
			if(currentState.isDone){
				doneCount++;
				delete this._state[param];
			}else if(!currentState.isFinishing){
				var listener = currentState.kwArgs;
				try{
					if(currentState.checkString && eval("typeof(" + currentState.checkString + ") != 'undefined'")){
						currentState.isFinishing = true;
						this._finish(currentState, "load");
						doneCount++;
						delete this._state[param];
					}else if(listener.timeoutSeconds && listener.timeout){
						if(currentState.startTime + (listener.timeoutSeconds * 1000) < (new Date()).getTime()){
							currentState.isFinishing = true;