e44a7e37b6
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
631 lines
21 KiB
JavaScript
631 lines
21 KiB
JavaScript
if(!dojo._hasResource["dojo._base._loader.loader_xd"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojo._base._loader.loader_xd"] = true;
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//Cross-domain resource loader.
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dojo.provide("dojo._base._loader.loader_xd");
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dojo._xdReset = function(){
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//summary: Internal xd loader function. Resets the xd state.
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//This flag indicates where or not we have crossed into xdomain territory. Once any resource says
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//it is cross domain, then the rest of the resources have to be treated as xdomain because we need
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//to evaluate resources in order. If there is a xdomain resource followed by a xhr resource, we can't load
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//the xhr resource until the one before it finishes loading. The text of the xhr resource will be converted
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//to match the format for a xd resource and put in the xd load queue.
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this._isXDomain = dojo.config.useXDomain || false;
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this._xdTimer = 0;
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this._xdInFlight = {};
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this._xdOrderedReqs = [];
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this._xdDepMap = {};
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this._xdContents = [];
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this._xdDefList = [];
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}
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//Call reset immediately to set the state.
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dojo._xdReset();
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dojo._xdCreateResource = function(/*String*/contents, /*String*/resourceName, /*String*/resourcePath){
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//summary: Internal xd loader function. Creates an xd module source given an
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//non-xd module contents.
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//Remove comments. Not perfect, but good enough for dependency resolution.
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var depContents = contents.replace(/(\/\*([\s\S]*?)\*\/|\/\/(.*)$)/mg , "");
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//Find dependencies.
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var deps = [];
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var depRegExp = /dojo.(require|requireIf|provide|requireAfterIf|platformRequire|requireLocalization)\(([\w\W]*?)\)/mg;
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var match;
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while((match = depRegExp.exec(depContents)) != null){
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if(match[1] == "requireLocalization"){
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//Need to load the local bundles asap, since they are not
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//part of the list of modules watched for loading.
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eval(match[0]);
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}else{
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deps.push('"' + match[1] + '", ' + match[2]);
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}
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}
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//Create resource object and the call to _xdResourceLoaded.
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var output = [];
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output.push(dojo._scopeName + "._xdResourceLoaded({\n");
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//Add dependencies
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if(deps.length > 0){
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output.push("depends: [");
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for(var i = 0; i < deps.length; i++){
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if(i > 0){
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output.push(",\n");
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}
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output.push("[" + deps[i] + "]");
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}
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output.push("],");
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}
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//Add the contents of the file inside a function.
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//Pass in scope arguments so we can support multiple versions of the
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//same module on a page.
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output.push("\ndefineResource: function(" + dojo._scopePrefixArgs + "){");
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//Don't put in the contents in the debugAtAllCosts case
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//since the contents may have syntax errors. Let those
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//get pushed up when the script tags are added to the page
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//in the debugAtAllCosts case.
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if(!dojo.config["debugAtAllCosts"] || resourceName == "dojo._base._loader.loader_debug"){
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output.push(contents);
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}
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//Add isLocal property so we know if we have to do something different
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//in debugAtAllCosts situations.
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output.push("\n}, resourceName: '" + resourceName + "', resourcePath: '" + resourcePath + "'});");
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return output.join(""); //String
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}
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dojo._xdIsXDomainPath = function(/*string*/relpath) {
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//summary: Figure out whether the path is local or x-domain
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//If there is a colon before the first / then, we have a URL with a protocol.
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var colonIndex = relpath.indexOf(":");
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var slashIndex = relpath.indexOf("/");
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if(colonIndex > 0 && colonIndex < slashIndex){
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return true;
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}else{
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//Is the base script URI-based URL a cross domain URL?
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//If so, then the relpath will be evaluated relative to
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//baseUrl, and therefore qualify as xdomain.
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//Only treat it as xdomain if the page does not have a
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//host (file:// url) or if the baseUrl does not match the
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//current window's domain.
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var url = this.baseUrl;
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colonIndex = url.indexOf(":");
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slashIndex = url.indexOf("/");
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if(colonIndex > 0 && colonIndex < slashIndex && (!location.host || url.indexOf("http://" + location.host) != 0)){
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return true;
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}
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}
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return false;
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}
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dojo._loadPath = function(/*String*/relpath, /*String?*/module, /*Function?*/cb){
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//summary: Internal xd loader function. Overrides loadPath() from loader.js.
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//xd loading requires slightly different behavior from loadPath().
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var currentIsXDomain = this._xdIsXDomainPath(relpath);
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this._isXDomain |= currentIsXDomain;
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var uri = ((relpath.charAt(0) == '/' || relpath.match(/^\w+:/)) ? "" : this.baseUrl) + relpath;
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try{
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return ((!module || this._isXDomain) ? this._loadUri(uri, cb, currentIsXDomain, module) : this._loadUriAndCheck(uri, module, cb)); //Boolean
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}catch(e){
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console.debug(e);
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return false; //Boolean
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}
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}
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dojo._loadUri = function(/*String*/uri, /*Function?*/cb, /*boolean*/currentIsXDomain, /*String?*/module){
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//summary: Internal xd loader function. Overrides loadUri() from loader.js.
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// xd loading requires slightly different behavior from loadPath().
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//description: Wanted to override getText(), but it is used by
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// the widget code in too many, synchronous ways right now.
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if(this._loadedUrls[uri]){
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return 1; //Boolean
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}
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//Add the module (resource) to the list of modules.
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//Only do this work if we have a modlue name. Otherwise,
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//it is a non-xd i18n bundle, which can load immediately and does not
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//need to be tracked. Also, don't track dojo.i18n, since it is a prerequisite
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//and will be loaded correctly if we load it right away: it has no dependencies.
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if(this._isXDomain && module && module != "dojo.i18n"){
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this._xdOrderedReqs.push(module);
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//Add to waiting resources if it is an xdomain resource.
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//Don't add non-xdomain i18n bundles, those get evaled immediately.
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if(currentIsXDomain || uri.indexOf("/nls/") == -1){
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this._xdInFlight[module] = true;
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//Increment inFlightCount
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//This will stop the modulesLoaded from firing all the way.
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this._inFlightCount++;
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}
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//Start timer
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if(!this._xdTimer){
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if(dojo.isAIR){
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this._xdTimer = setInterval(function(){dojo._xdWatchInFlight();}, 100);
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}else{
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this._xdTimer = setInterval(dojo._scopeName + "._xdWatchInFlight();", 100);
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}
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}
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this._xdStartTime = (new Date()).getTime();
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}
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if (currentIsXDomain){
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//Fix name to be a .xd.fileextension name.
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var lastIndex = uri.lastIndexOf('.');
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if(lastIndex <= 0){
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lastIndex = uri.length - 1;
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}
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var xdUri = uri.substring(0, lastIndex) + ".xd";
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if(lastIndex != uri.length - 1){
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xdUri += uri.substring(lastIndex, uri.length);
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}
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if (dojo.isAIR){
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xdUri = xdUri.replace("app:/", "/");
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}
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//Add to script src
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var element = document.createElement("script");
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element.type = "text/javascript";
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element.src = xdUri;
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if(!this.headElement){
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this._headElement = document.getElementsByTagName("head")[0];
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//Head element may not exist, particularly in html
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//html 4 or tag soup cases where the page does not
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//have a head tag in it. Use html element, since that will exist.
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//Seems to be an issue mostly with Opera 9 and to lesser extent Safari 2
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if(!this._headElement){
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this._headElement = document.getElementsByTagName("html")[0];
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}
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}
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this._headElement.appendChild(element);
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}else{
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var contents = this._getText(uri, null, true);
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if(contents == null){ return 0; /*boolean*/}
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//If this is not xdomain, or if loading a i18n resource bundle, then send it down
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//the normal eval/callback path.
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if(this._isXDomain
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&& uri.indexOf("/nls/") == -1
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&& module != "dojo.i18n"){
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var res = this._xdCreateResource(contents, module, uri);
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dojo.eval(res);
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}else{
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if(cb){
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contents = '('+contents+')';
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}else{
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//Only do the scoping if no callback. If a callback is specified,
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//it is most likely the i18n bundle stuff.
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contents = this._scopePrefix + contents + this._scopeSuffix;
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}
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var value = dojo["eval"](contents+"\r\n//@ sourceURL="+uri);
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if(cb){
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cb(value);
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}
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}
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}
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//These steps are done in the non-xd loader version of this function.
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//Maintain these steps to fit in with the existing system.
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this._loadedUrls[uri] = true;
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this._loadedUrls.push(uri);
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return true; //Boolean
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}
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dojo._xdResourceLoaded = function(/*Object*/res){
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//summary: Internal xd loader function. Called by an xd module resource when
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//it has been loaded via a script tag.
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var deps = res.depends;
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var requireList = null;
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var requireAfterList = null;
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var provideList = [];
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if(deps && deps.length > 0){
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var dep = null;
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var insertHint = 0;
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var attachedResource = false;
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for(var i = 0; i < deps.length; i++){
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dep = deps[i];
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//Look for specific dependency indicators.
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if (dep[0] == "provide"){
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provideList.push(dep[1]);
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}else{
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if(!requireList){
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requireList = [];
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}
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if(!requireAfterList){
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requireAfterList = [];
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}
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var unpackedDeps = this._xdUnpackDependency(dep);
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if(unpackedDeps.requires){
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requireList = requireList.concat(unpackedDeps.requires);
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}
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if(unpackedDeps.requiresAfter){
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requireAfterList = requireAfterList.concat(unpackedDeps.requiresAfter);
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}
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}
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//Call the dependency indicator to allow for the normal dojo setup.
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//Only allow for one dot reference, for the i18n._preloadLocalizations calls
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//(and maybe future, one-dot things).
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var depType = dep[0];
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var objPath = depType.split(".");
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if(objPath.length == 2){
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dojo[objPath[0]][objPath[1]].apply(dojo[objPath[0]], dep.slice(1));
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}else{
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dojo[depType].apply(dojo, dep.slice(1));
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}
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}
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//If loading the debugAtAllCosts module, eval it right away since we need
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//its functions to properly load the other modules.
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if(provideList.length == 1 && provideList[0] == "dojo._base._loader.loader_debug"){
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res.defineResource(dojo);
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}else{
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//Save off the resource contents for definition later.
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var contentIndex = this._xdContents.push({
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content: res.defineResource,
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resourceName: res["resourceName"],
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resourcePath: res["resourcePath"],
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isDefined: false
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}) - 1;
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//Add provide/requires to dependency map.
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for(var i = 0; i < provideList.length; i++){
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this._xdDepMap[provideList[i]] = { requires: requireList, requiresAfter: requireAfterList, contentIndex: contentIndex };
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}
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}
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//Now update the inflight status for any provided resources in this loaded resource.
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//Do this at the very end (in a *separate* for loop) to avoid shutting down the
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//inflight timer check too soon.
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for(var i = 0; i < provideList.length; i++){
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this._xdInFlight[provideList[i]] = false;
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}
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}
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}
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dojo._xdLoadFlattenedBundle = function(/*String*/moduleName, /*String*/bundleName, /*String?*/locale, /*Object*/bundleData){
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//summary: Internal xd loader function. Used when loading
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//a flattened localized bundle via a script tag.
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locale = locale || "root";
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var jsLoc = dojo.i18n.normalizeLocale(locale).replace('-', '_');
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var bundleResource = [moduleName, "nls", bundleName].join(".");
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var bundle = dojo["provide"](bundleResource);
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bundle[jsLoc] = bundleData;
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//Assign the bundle for the original locale(s) we wanted.
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var mapName = [moduleName, jsLoc, bundleName].join(".");
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var bundleMap = dojo._xdBundleMap[mapName];
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if(bundleMap){
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for(var param in bundleMap){
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bundle[param] = bundleData;
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}
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}
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};
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dojo._xdInitExtraLocales = function(){
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// Simulate the extra locale work that dojo.requireLocalization does.
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var extra = dojo.config.extraLocale;
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if(extra){
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if(!extra instanceof Array){
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extra = [extra];
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}
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dojo._xdReqLoc = dojo.xdRequireLocalization;
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dojo.xdRequireLocalization = function(m, b, locale, fLocales){
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dojo._xdReqLoc(m,b,locale, fLocales);
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if(locale){return;}
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for(var i=0; i<extra.length; i++){
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dojo._xdReqLoc(m,b,extra[i], fLocales);
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}
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};
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}
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}
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dojo._xdBundleMap = {};
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dojo.xdRequireLocalization = function(/*String*/moduleName, /*String*/bundleName, /*String?*/locale, /*String*/availableFlatLocales){
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//summary: Internal xd loader function. The xd version of dojo.requireLocalization.
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//Account for allowing multiple extra locales. Do this here inside the function
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//since dojo._xdInitExtraLocales() depends on djConfig being set up, but that only
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//happens after hostenv_browser runs. loader_xd has to come before hostenv_browser
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//though since hostenv_browser can do a dojo.require for the debug module.
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if(dojo._xdInitExtraLocales){
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dojo._xdInitExtraLocales();
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dojo._xdInitExtraLocales = null;
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dojo.xdRequireLocalization.apply(dojo, arguments);
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return;
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}
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var locales = availableFlatLocales.split(",");
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//Find the best-match locale to load.
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//Assumes dojo.i18n has already been loaded. This is true for xdomain builds,
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//since it is included in dojo.xd.js.
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var jsLoc = dojo.i18n.normalizeLocale(locale);
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var bestLocale = "";
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for(var i = 0; i < locales.length; i++){
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//Locale must match from start of string.
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if(jsLoc.indexOf(locales[i]) == 0){
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if(locales[i].length > bestLocale.length){
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bestLocale = locales[i];
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}
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}
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}
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var fixedBestLocale = bestLocale.replace('-', '_');
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//See if the bundle we are going to use is already loaded.
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var bundleResource = dojo.getObject([moduleName, "nls", bundleName].join("."));
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if(bundleResource && bundleResource[fixedBestLocale]){
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bundle[jsLoc.replace('-', '_')] = bundleResource[fixedBestLocale];
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}else{
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//Need to remember what locale we wanted and which one we actually use.
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//Then when we load the one we are actually using, use that bundle for the one
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//we originally wanted.
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var mapName = [moduleName, (fixedBestLocale||"root"), bundleName].join(".");
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var bundleMap = dojo._xdBundleMap[mapName];
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if(!bundleMap){
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bundleMap = dojo._xdBundleMap[mapName] = {};
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}
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bundleMap[jsLoc.replace('-', '_')] = true;
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//Do just a normal dojo.require so the resource tracking stuff works as usual.
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dojo.require(moduleName + ".nls" + (bestLocale ? "." + bestLocale : "") + "." + bundleName);
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}
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}
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// Replace dojo.requireLocalization with a wrapper
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dojo._xdRealRequireLocalization = dojo.requireLocalization;
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dojo.requireLocalization = function(/*String*/moduleName, /*String*/bundleName, /*String?*/locale, /*String*/availableFlatLocales){
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// summary: loads a bundle intelligently based on whether the module is
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// local or xd. Overrides the local-case implementation.
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var modulePath = this.moduleUrl(moduleName).toString();
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if (this._xdIsXDomainPath(modulePath)) {
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// call cross-domain loader
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return dojo.xdRequireLocalization.apply(dojo, arguments);
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} else {
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// call local-loader
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return dojo._xdRealRequireLocalization.apply(dojo, arguments);
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}
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}
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//This is a bit brittle: it has to know about the dojo methods that deal with dependencies
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//It would be ideal to intercept the actual methods and do something fancy at that point,
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//but I have concern about knowing which provide to match to the dependency in that case,
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//since scripts can load whenever they want, and trigger new calls to dojo._xdResourceLoaded().
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dojo._xdUnpackDependency = function(/*Array*/dep){
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//summary: Internal xd loader function. Determines what to do with a dependency
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//that was listed in an xd version of a module contents.
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//Extract the dependency(ies).
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var newDeps = null;
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var newAfterDeps = null;
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switch(dep[0]){
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case "requireIf":
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case "requireAfterIf":
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//First arg (dep[1]) is the test. Depedency is dep[2].
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if(dep[1] === true){
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newDeps = [{name: dep[2], content: null}];
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}
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break;
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case "platformRequire":
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var modMap = dep[1];
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var common = modMap["common"]||[];
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var newDeps = (modMap[dojo.hostenv.name_]) ? common.concat(modMap[dojo.hostenv.name_]||[]) : common.concat(modMap["default"]||[]);
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//Flatten the array of arrays into a one-level deep array.
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//Each result could be an array of 3 elements (the 3 arguments to dojo.require).
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//We only need the first one.
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if(newDeps){
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for(var i = 0; i < newDeps.length; i++){
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if(newDeps[i] instanceof Array){
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newDeps[i] = {name: newDeps[i][0], content: null};
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}else{
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newDeps[i] = {name: newDeps[i], content: null};
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}
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}
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}
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break;
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case "require":
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//Just worry about dep[1]
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newDeps = [{name: dep[1], content: null}];
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break;
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case "i18n._preloadLocalizations":
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//We can eval these immediately, since they load i18n bundles.
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//Since i18n bundles have no dependencies, whenever they are loaded
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//in a script tag, they are evaluated immediately, so we do not have to
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//treat them has an explicit dependency for the dependency mapping.
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//We can call it immediately since dojo.i18n is part of dojo.xd.js.
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dojo.i18n._preloadLocalizations.apply(dojo.i18n._preloadLocalizations, dep.slice(1));
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break;
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}
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|
|
//The requireIf and requireAfterIf needs to be evaluated after the current resource is evaluated.
|
|
if(dep[0] == "requireAfterIf" || dep[0] == "requireIf"){
|
|
newAfterDeps = newDeps;
|
|
newDeps = null;
|
|
}
|
|
return {requires: newDeps, requiresAfter: newAfterDeps}; //Object
|
|
}
|
|
|
|
dojo._xdWalkReqs = function(){
|
|
//summary: Internal xd loader function.
|
|
//Walks the requires and evaluates module resource contents in
|
|
//the right order.
|
|
var reqChain = null;
|
|
var req;
|
|
for(var i = 0; i < this._xdOrderedReqs.length; i++){
|
|
req = this._xdOrderedReqs[i];
|
|
if(this._xdDepMap[req]){
|
|
reqChain = [req];
|
|
reqChain[req] = true; //Allow for fast lookup of the req in the array
|
|
this._xdEvalReqs(reqChain);
|
|
}
|
|
}
|
|
}
|
|
|
|
dojo._xdEvalReqs = function(/*Array*/reqChain){
|
|
//summary: Internal xd loader function.
|
|
//Does a depth first, breadth second search and eval of required modules.
|
|
while(reqChain.length > 0){
|
|
var req = reqChain[reqChain.length - 1];
|
|
var res = this._xdDepMap[req];
|
|
if(res){
|
|
//Trace down any requires for this resource.
|
|
//START dojo._xdTraceReqs() inlining for small Safari 2.0 call stack
|
|
var reqs = res.requires;
|
|
if(reqs && reqs.length > 0){
|
|
var nextReq;
|
|
for(var i = 0; i < reqs.length; i++){
|
|
nextReq = reqs[i].name;
|
|
if(nextReq && !reqChain[nextReq]){
|
|
//New req depedency. Follow it down.
|
|
reqChain.push(nextReq);
|
|
reqChain[nextReq] = true;
|
|
this._xdEvalReqs(reqChain);
|
|
}
|
|
}
|
|
}
|
|
//END dojo._xdTraceReqs() inlining for small Safari 2.0 call stack
|
|
|
|
//Evaluate the resource.
|
|
var contents = this._xdContents[res.contentIndex];
|
|
if(!contents.isDefined){
|
|
var content = contents.content;
|
|
content["resourceName"] = contents["resourceName"];
|
|
content["resourcePath"] = contents["resourcePath"];
|
|
this._xdDefList.push(content);
|
|
contents.isDefined = true;
|
|
}
|
|
this._xdDepMap[req] = null;
|
|
|
|
//Trace down any requireAfters for this resource.
|
|
//START dojo._xdTraceReqs() inlining for small Safari 2.0 call stack
|
|
var reqs = res.requiresAfter;
|
|
if(reqs && reqs.length > 0){
|
|
var nextReq;
|
|
for(var i = 0; i < reqs.length; i++){
|
|
nextReq = reqs[i].name;
|
|
if(nextReq && !reqChain[nextReq]){
|
|
//New req depedency. Follow it down.
|
|
reqChain.push(nextReq);
|
|
reqChain[nextReq] = true;
|
|
this._xdEvalReqs(reqChain);
|
|
}
|
|
}
|
|
}
|
|
//END dojo._xdTraceReqs() inlining for small Safari 2.0 call stack
|
|
}
|
|
|
|
//Done with that require. Remove it and go to the next one.
|
|
reqChain.pop();
|
|
}
|
|
}
|
|
|
|
dojo._xdClearInterval = function(){
|
|
//summary: Internal xd loader function.
|
|
//Clears the interval timer used to check on the
|
|
//status of in-flight xd module resource requests.
|
|
clearInterval(this._xdTimer);
|
|
this._xdTimer = 0;
|
|
}
|
|
|
|
dojo._xdWatchInFlight = function(){
|
|
//summary: Internal xd loader function.
|
|
//Monitors in-flight requests for xd module resources.
|
|
|
|
var noLoads = "";
|
|
var waitInterval = (dojo.config.xdWaitSeconds || 15) * 1000;
|
|
var expired = (this._xdStartTime + waitInterval) < (new Date()).getTime();
|
|
|
|
//If any xdInFlight are true, then still waiting for something to load.
|
|
//Come back later. If we timed out, report the things that did not load.
|
|
for(var param in this._xdInFlight){
|
|
if(this._xdInFlight[param] === true){
|
|
if(expired){
|
|
noLoads += param + " ";
|
|
}else{
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
//All done. Clean up and notify.
|
|
this._xdClearInterval();
|
|
|
|
if(expired){
|
|
throw "Could not load cross-domain resources: " + noLoads;
|
|
}
|
|
|
|
this._xdWalkReqs();
|
|
|
|
var defLength = this._xdDefList.length;
|
|
for(var i= 0; i < defLength; i++){
|
|
var content = dojo._xdDefList[i];
|
|
if(dojo.config["debugAtAllCosts"] && content["resourceName"]){
|
|
if(!this["_xdDebugQueue"]){
|
|
this._xdDebugQueue = [];
|
|
}
|
|
this._xdDebugQueue.push({resourceName: content.resourceName, resourcePath: content.resourcePath});
|
|
}else{
|
|
//Evaluate the resource to bring it into being.
|
|
//Pass in scope args to allow multiple versions of modules in a page.
|
|
content.apply(dojo.global, dojo._scopeArgs);
|
|
}
|
|
}
|
|
|
|
//Evaluate any resources that were not evaled before.
|
|
//This normally shouldn't happen with proper dojo.provide and dojo.require
|
|
//usage, but providing it just in case. Note that these may not be executed
|
|
//in the original order that the developer intended.
|
|
for(var i = 0; i < this._xdContents.length; i++){
|
|
var current = this._xdContents[i];
|
|
if(current.content && !current.isDefined){
|
|
//Pass in scope args to allow multiple versions of modules in a page.
|
|
current.content.apply(dojo.global, dojo._scopeArgs);
|
|
}
|
|
}
|
|
|
|
//Clean up for the next round of xd loading.
|
|
this._xdReset();
|
|
|
|
if(this["_xdDebugQueue"] && this._xdDebugQueue.length > 0){
|
|
this._xdDebugFileLoaded();
|
|
}else{
|
|
this._xdNotifyLoaded();
|
|
}
|
|
}
|
|
|
|
dojo._xdNotifyLoaded = function(){
|
|
//Clear inflight count so we will finally do finish work.
|
|
this._inFlightCount = 0;
|
|
|
|
//Only trigger call loaded if dj_load_init has run.
|
|
if(this._initFired && !this._loadNotifying){
|
|
this._callLoaded();
|
|
}
|
|
}
|
|
|
|
}
|