X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fajax.js;h=35d83e4fabbbd62aa0d92a8303ef2c587362aade;hb=c68fbc2071f67876edbb3fca202362aecb82ca9c;hp=0d1dd84cca03724e360281db9cd41614802f65ab;hpb=61e37d41490aed319a176c6ca7feb95e5505059c;p=jquery.git diff --git a/src/ajax.js b/src/ajax.js index 0d1dd84..35d83e4 100644 --- a/src/ajax.js +++ b/src/ajax.js @@ -40,7 +40,7 @@ jQuery.fn.extend({ // Otherwise, build a param string } else if ( typeof params === "object" ) { - params = jQuery.param( params ); + params = jQuery.param( params, jQuery.ajaxSettings.traditional ); type = "POST"; } } @@ -172,15 +172,21 @@ jQuery.extend({ data: null, username: null, password: null, + traditional: false, */ // Create the request object; Microsoft failed to properly - // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available + // implement the XMLHttpRequest in IE7 (can't request local files), + // so we use the ActiveXObject when it is available // This function can be overriden by calling jQuery.ajaxSetup - xhr: function() { - return window.ActiveXObject ? - new ActiveXObject("Microsoft.XMLHTTP") : - new XMLHttpRequest(); - }, + xhr: window.XMLHttpRequest && (window.location.protocol !== "file:" || !window.ActiveXObject) ? + function() { + return new window.XMLHttpRequest(); + } : + function() { + try { + return new window.ActiveXObject("Microsoft.XMLHTTP"); + } catch(e) {} + }, accepts: { xml: "application/xml, text/xml", html: "text/html", @@ -204,7 +210,7 @@ jQuery.extend({ // convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { - s.data = jQuery.param(s.data); + s.data = jQuery.param( s.data, s.traditional ); } // Handle JSONP Parameter Callbacks @@ -324,6 +330,10 @@ jQuery.extend({ // Create the request object var xhr = s.xhr(); + if ( !xhr ) { + return; + } + // Open the socket // Passing null username, generates a login popup on Opera (#2865) if ( s.username ) { @@ -379,29 +389,21 @@ jQuery.extend({ } // Wait for a response to come back - var onreadystatechange = function( isTimeout ) { + var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) { // The request was aborted, clear the interval and decrement jQuery.active if ( !xhr || xhr.readyState === 0 ) { - if ( ival ) { - // clear poll interval - clearInterval( ival ); - ival = null; - - // Handle the global AJAX counter - if ( s.global && ! --jQuery.active ) { - jQuery.event.trigger( "ajaxStop" ); - } + requestDone = true; + xhr.onreadystatechange = jQuery.noop; + + // Handle the global AJAX counter + if ( s.global && ! --jQuery.active ) { + jQuery.event.trigger( "ajaxStop" ); } // The transfer is complete and the data is available, or the request timed out } else if ( !requestDone && xhr && (xhr.readyState === 4 || isTimeout === "timeout") ) { requestDone = true; - - // clear poll interval - if (ival) { - clearInterval(ival); - ival = null; - } + xhr.onreadystatechange = jQuery.noop; status = isTimeout === "timeout" ? "timeout" : @@ -445,19 +447,14 @@ jQuery.extend({ } }; - if ( s.async ) { - // don't attach the handler to the request, just poll it instead - var ival = setInterval(onreadystatechange, 13); - - // Timeout checker - if ( s.timeout > 0 ) { - setTimeout(function() { - // Check to see if the request is still happening - if ( xhr && !requestDone ) { - onreadystatechange( "timeout" ); - } - }, s.timeout); - } + // Timeout checker + if ( s.async && s.timeout > 0 ) { + setTimeout(function() { + // Check to see if the request is still happening + if ( xhr && !requestDone ) { + onreadystatechange( "timeout" ); + } + }, s.timeout); } // Send the data @@ -557,8 +554,8 @@ jQuery.extend({ }, httpData: function( xhr, type, s ) { - var ct = xhr.getResponseHeader("content-type"), - xml = type === "xml" || !type && ct && ct.indexOf("xml") >= 0, + var ct = xhr.getResponseHeader("content-type") || "", + xml = type === "xml" || !type && ct.indexOf("xml") >= 0, data = xml ? xhr.responseXML : xhr.responseText; if ( xml && data.documentElement.nodeName === "parsererror" ) { @@ -573,17 +570,18 @@ jQuery.extend({ // The filter can actually parse the response if ( typeof data === "string" ) { - // If the type is "script", eval it in global context - if ( type === "script" ) { + if ( type === "script" || !type && ct.indexOf("javascript") >= 0 ) { jQuery.globalEval( data ); } // Get the JavaScript object, if JSON is used. - if ( type === "json" ) { - if ( typeof JSON === "object" && JSON.parse ) { + if ( type === "json" || !type && ct.indexOf("json") >= 0 ) { + // Try to use the native JSON parser first + try { data = JSON.parse( data ); - } else { + + } catch(e) { data = (new Function("return " + data))(); } } @@ -594,17 +592,19 @@ jQuery.extend({ // Serialize an array of form elements or a set of // key/values into a query string - param: function( a ) { + param: function( a, traditional ) { - var s = [], - - // Set jQuery.param.traditional to true for jQuery <= 1.3.2 behavior. - traditional = jQuery.param.traditional; + var s = []; + + // Set traditional to true for jQuery <= 1.3.2 behavior. + if ( traditional === undefined ) { + traditional = jQuery.ajaxSettings.traditional; + } function add( key, value ) { // If value is a function, invoke it and return its value value = jQuery.isFunction(value) ? value() : value; - s[ s.length ] = encodeURIComponent(key) + '=' + encodeURIComponent(value); + s[ s.length ] = encodeURIComponent(key) + "=" + encodeURIComponent(value); } // If an array was passed in, assume that it is an array of form elements. @@ -615,8 +615,8 @@ jQuery.extend({ }); } else { - // If jQuery.param.traditional is true, encode the "old" way (the - // way 1.3.2 or older did it), otherwise encode params recursively. + // If traditional, encode the "old" way (the way 1.3.2 or older + // did it), otherwise encode params recursively. jQuery.each( a, function buildParams( prefix, obj ) { if ( jQuery.isArray(obj) ) {