58 lines
1.3 KiB
JavaScript
58 lines
1.3 KiB
JavaScript
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function getJsonpCallback(url){
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var result = null;
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var idMatch = url.match(/jsonp=(.*?)(&|$)/);
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if(idMatch){
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result = idMatch[1];
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}else{
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//jsonp didn't match, so maybe it is the jsonCallback thing.
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idMatch = url.match(/callback=(.*?)(&|$)/);
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if(idMatch){
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result = idMatch[1];
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}
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}
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if(result){
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result = decodeURIComponent(result);
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}
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return result;
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}
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function findJsonpDone(){
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var result = false;
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var scriptUrls = getScriptUrls();
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for(var i = 0; i < scriptUrls.length; i++){
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var jsonp = getJsonpCallback(scriptUrls[i]);
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if(jsonp){
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eval(jsonp + "({animalType: 'mammal'});");
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result = true;
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break;
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}
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}
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return result;
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}
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function getScriptUrls(){
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//Get the script tags in the page to figure what state we are in.
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var scripts = document.getElementsByTagName('script');
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var scriptUrls = new Array();
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for(var i = 0; scripts && i < scripts.length; i++){
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var scriptTag = scripts[i];
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if(scriptTag.id.indexOf("dojoIoScript") == 0){
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scriptUrls.push(scriptTag.src);
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}
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}
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return scriptUrls;
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}
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function doJsonpCallback(){
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if(!findJsonpDone()){
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alert('ERROR: Could not jsonp callback!');
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}
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}
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//Set a timeout to do the callback check, since MSIE won't see the SCRIPT tag until
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//we complete processing of this page.
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setTimeout(function(){doJsonpCallback();}, 300);
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