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hostenv_browser.js
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hostenv_browser.js
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if(typeof window != 'undefined'){
dojo.isBrowser = true;
dojo._name = "browser";
// attempt to figure out the path to dojo if it isn't set in the config
(function(){
var d = dojo;
// this is a scope protection closure. We set browser versions and grab
// the URL we were loaded from here.
// grab the node we were loaded from
if(document && document.getElementsByTagName){
var scripts = document.getElementsByTagName("script");
var rePkg = /dojo(\.xd)?\.js([\?\.]|$)/i;
for(var i = 0; i < scripts.length; i++){
var src = scripts[i].getAttribute("src");
if(!src){ continue; }
var m = src.match(rePkg);
if(m){
// find out where we came from
if(!djConfig["baseUrl"]){
djConfig["baseUrl"] = src.substring(0, m.index);
}
// and find out if we need to modify our behavior
var cfg = scripts[i].getAttribute("djConfig");
if(cfg){
var cfgo = eval("({ "+cfg+" })");
for(var x in cfgo){
djConfig[x] = cfgo[x];
}
}
break; // "first Dojo wins"
}
}
}
d.baseUrl = djConfig["baseUrl"];
// fill in the rendering support information in dojo.render.*
var n = navigator;
var dua = n.userAgent;
var dav = n.appVersion;
var tv = parseFloat(dav);
d.isOpera = (dua.indexOf("Opera") >= 0) ? tv : 0;
d.isKhtml = (dav.indexOf("Konqueror") >= 0)||(dav.indexOf("Safari") >= 0) ? tv : 0;
if(dav.indexOf("Safari") >= 0){
d.isSafari = parseFloat(dav.split("Version/")[1]) || 2;
}
var geckoPos = dua.indexOf("Gecko");
d.isMozilla = d.isMoz = ((geckoPos >= 0)&&(!d.isKhtml)) ? tv : 0;
d.isFF = 0;
d.isIE = 0;
try{
if(d.isMoz){
d.isFF = parseFloat(dua.split("Firefox/")[1].split(" ")[0]);
}
if((document.all)&&(!d.isOpera)){
d.isIE = parseFloat(dav.split("MSIE ")[1].split(";")[0]);
}
}catch(e){}
//Workaround to get local file loads of dojo to work on IE 7
//by forcing to not use native xhr.
if(dojo.isIE && (window.location.protocol === "file:")){
djConfig.ieForceActiveXXhr=true;
}
var cm = document["compatMode"];
d.isQuirks = (cm == "BackCompat")||(cm == "QuirksMode")||(d.isIE < 6);
// TODO: is the HTML LANG attribute relevant?
d.locale = djConfig.locale || (d.isIE ? n.userLanguage : n.language).toLowerCase();
d._println = console.debug;
// These are in order of decreasing likelihood; this will change in time.
d._XMLHTTP_PROGIDS = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];
d._xhrObj= function(){
// summary:
// does the work of portably generating a new XMLHTTPRequest
// object.
var http = null;
var last_e = null;
if(!dojo.isIE || !djConfig.ieForceActiveXXhr){
try{ http = new XMLHttpRequest(); }catch(e){}
}
if(!http){
for(var i=0; i<3; ++i){
var progid = dojo._XMLHTTP_PROGIDS[i];
try{
http = new ActiveXObject(progid);
}catch(e){
last_e = e;
}
if(http){
dojo._XMLHTTP_PROGIDS = [progid]; // so faster next time
break;
}
}
}
if(!http){
throw new Error("XMLHTTP not available: "+last_e);
}
return http; // XMLHTTPRequest instance
}
d._isDocumentOk = function(http){
var stat = http.status || 0;
return ( (stat>=200)&&(stat<300))|| // Boolean
(stat==304)|| // allow any 2XX response code
(stat==1223)|| // get it out of the cache
(!stat && (location.protocol=="file:" || location.protocol=="chrome:") ); // Internet Explorer mangled the status code
}
//See if base tag is in use.
//This is to fix http://trac.dojotoolkit.org/ticket/3973,
//but really, we need to find out how to get rid of the dojo._Url reference
//below and still have DOH work with the dojo.i18n test following some other
//test that uses the test frame to load a document (trac #2757).
//Opera still has problems, but perhaps a larger issue of base tag support
//with XHR requests (hasBase is true, but the request is still made to document
//path, not base path).
var owloc = window.location+"";
var base = document.getElementsByTagName("base");
var hasBase = (base && base.length > 0);
d._getText = function(/*URI*/ uri, /*Boolean*/ fail_ok){
// summary: Read the contents of the specified uri and return those contents.
// uri:
// A relative or absolute uri. If absolute, it still must be in
// the same "domain" as we are.
// fail_ok:
// Default false. If fail_ok and loading fails, return null
// instead of throwing.
// returns: The response text. null is returned when there is a
// failure and failure is okay (an exception otherwise)
// alert("_getText: " + uri);
// NOTE: must be declared before scope switches ie. this._xhrObj()
var http = this._xhrObj();
if(!hasBase && dojo._Url){
uri = (new dojo._Url(owloc, uri)).toString();
}
/*
console.debug("_getText:", uri);
console.debug(window.location+"");
alert(uri);
*/
http.open('GET', uri, false);
try{
http.send(null);
// alert(http);
if(!d._isDocumentOk(http)){
var err = Error("Unable to load "+uri+" status:"+ http.status);
err.status = http.status;
err.responseText = http.responseText;
throw err;
}
}catch(e){
if(fail_ok){ return null; } // null
// rethrow the exception
throw e;
}
return http.responseText; // String
}
})();
dojo._initFired = false;
// BEGIN DOMContentLoaded, from Dean Edwards (http://dean.edwards.name/weblog/2006/06/again/)
dojo._loadInit = function(e){
dojo._initFired = true;
// allow multiple calls, only first one will take effect
// A bug in khtml calls events callbacks for document for event which isnt supported
// for example a created contextmenu event calls DOMContentLoaded, workaround
var type = (e && e.type) ? e.type.toLowerCase() : "load";
if(arguments.callee.initialized || (type!="domcontentloaded" && type!="load")){ return; }
arguments.callee.initialized = true;
if(typeof dojo["_khtmlTimer"] != 'undefined'){
clearInterval(dojo._khtmlTimer);
delete dojo._khtmlTimer;
}
if(dojo._inFlightCount == 0){
dojo._modulesLoaded();
}
}
// START DOMContentLoaded
// Mozilla and Opera 9 expose the event we could use
if(document.addEventListener){
// NOTE:
// due to a threading issue in Firefox 2.0, we can't enable
// DOMContentLoaded on that platform. For more information, see:
// http://trac.dojotoolkit.org/ticket/1704
if(dojo.isOpera|| (dojo.isMoz && (djConfig["enableMozDomContentLoaded"] === true))){
document.addEventListener("DOMContentLoaded", dojo._loadInit, null);
}
// mainly for Opera 8.5, won't be fired if DOMContentLoaded fired already.
// also used for Mozilla because of trac #1640
window.addEventListener("load", dojo._loadInit, null);
}
if(/(WebKit|khtml)/i.test(navigator.userAgent)){ // sniff
dojo._khtmlTimer = setInterval(function(){
if(/loaded|complete/.test(document.readyState)){
dojo._loadInit(); // call the onload handler
}
}, 10);
}
// END DOMContentLoaded
(function(){
var _w = window;
var _handleNodeEvent = function(/*String*/evtName, /*Function*/fp){
// summary:
// non-destructively adds the specified function to the node's
// evtName handler.
// evtName: should be in the form "onclick" for "onclick" handlers.
// Make sure you pass in the "on" part.
var oldHandler = _w[evtName] || function(){};
_w[evtName] = function(){
fp.apply(_w, arguments);
oldHandler.apply(_w, arguments);
}
}
if(dojo.isIE){
// for Internet Explorer. readyState will not be achieved on init
// call, but dojo doesn't need it however, we'll include it
// because we don't know if there are other functions added that
// might. Note that this has changed because the build process
// strips all comments -- including conditional ones.
document.write('<scr'+'ipt defer src="//:" '
+ 'onreadystatechange="if(this.readyState==\'complete\'){dojo._loadInit();}">'
+ '</scr'+'ipt>'
);
// IE WebControl hosted in an application can fire "beforeunload" and "unload"
// events when control visibility changes, causing Dojo to unload too soon. The
// following code fixes the problem
// Reference: http://support.microsoft.com/default.aspx?scid=kb;en-us;199155
var _unloading = true;
_handleNodeEvent("onbeforeunload", function(){
_w.setTimeout(function(){ _unloading = false; }, 0);
});
_handleNodeEvent("onunload", function(){
if(_unloading){ dojo.unloaded(); }
});
try{
document.namespaces.add("v","urn:schemas-microsoft-com:vml");
document.createStyleSheet().addRule("v\\:*", "behavior:url(#default#VML)");
}catch(e){}
}else{
// FIXME: dojo.unloaded requires dojo scope, so using anon function wrapper.
_handleNodeEvent("onbeforeunload", function() { dojo.unloaded(); });
}
})();
/*
OpenAjax.subscribe("OpenAjax", "onload", function(){
if(dojo._inFlightCount == 0){
dojo._modulesLoaded();
}
});
OpenAjax.subscribe("OpenAjax", "onunload", function(){
dojo.unloaded();
});
*/
} //if (typeof window != 'undefined')
//Load debug code if necessary.
// dojo.requireIf((djConfig["isDebug"] || djConfig["debugAtAllCosts"]), "dojo.debug");
//window.widget is for Dashboard detection
//The full conditionals are spelled out to avoid issues during builds.
//Builds may be looking for require/requireIf statements and processing them.
// dojo.requireIf(djConfig["debugAtAllCosts"] && !window.widget && !djConfig["useXDomain"], "dojo.browser_debug");
// dojo.requireIf(djConfig["debugAtAllCosts"] && !window.widget && djConfig["useXDomain"], "dojo.browser_debug_xd");
if(djConfig.isDebug){
dojo.require("dojo._firebug.firebug");
}
if(djConfig.debugAtAllCosts){
djConfig.useXDomain = true;
dojo.require("dojo._base._loader.loader_xd");
dojo.require("dojo._base._loader.loader_debug");
dojo.require("dojo.i18n");
}

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