// Attach a bunch of functions for handling common AJAX events
(function(){
- var e = "ajaxStart.ajaxComplete.ajaxError.ajaxSuccess".split(',');
+ var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(',');
for ( var i = 0; i < e.length; i++ ){ (function(){
var o = e[i];
url = type.url;
type = type.type;
}
+
+ // Watch for a new set of requests
+ if ( ! jQuery.ajax.active++ )
+ jQuery.event.trigger( "ajaxStart" );
// Create the request object
var xml = new XMLHttpRequest();
// Wait for a response to come back
xml.onreadystatechange = function(){
- // Socket is openend
- if ( xml.readyState == 1 ) {
- // Increase counter
- jQuery.ajax.active++;
-
- // Show 'loader'
- jQuery.event.trigger( "ajaxStart" );
- }
-
- // Socket is closed and data is available
+ // The transfer is complete and the data is available
if ( xml.readyState == 4 ) {
- // Hide loader if needed
- if ( ! --jQuery.ajax.active ) {
- jQuery.event.trigger( "ajaxComplete" );
- jQuery.ajax.active = 0
- }
-
// Make sure that the request was successful
if ( jQuery.httpSuccess( xml ) ) {
// Fire the global callback
jQuery.event.trigger( "ajaxError" );
}
+
+ // The request was completed
+ jQuery.event.trigger( "ajaxComplete" );
+
+ // Handle the global AJAX counter
+ if ( ! --jQuery.ajax.active )
+ jQuery.event.trigger( "ajaxStop" );
// Process result
if ( ret ) ret(xml);
// Determines if an XMLHttpRequest was successful or not
jQuery.httpSuccess = function(r) {
- return ( r.status && ( r.status >= 200 && r.status < 300 ) ||
- r.status == 304 ) || !r.status && location.protocol == "file:";
+ try {
+ return r.status ?
+ ( r.status >= 200 && r.status < 300 ) || r.status == 304 :
+ location.protocol == "file:";
+ } catch(e){}
+ return false;
};
-// Get the data out of an XMLHttpRequest
+// Get the data out of an XMLHttpRequest.
+// Return parsed XML if content-type header is "xml" and type is "xml" or omitted,
+// otherwise return plain text.
jQuery.httpData = function(r,type) {
- // Check the headers, or watch for a force override
- return r.getResponseHeader("content-type").indexOf("xml") > 0 ||
- type == "xml" ? r.responseXML : r.responseText;
+ var ct = r.getResponseHeader("content-type");
+ var xml = ( !type || type == "xml" ) && ct && ct.indexOf("xml") >= 0;
+ return xml ? r.responseXML : r.responseText;
};
// Serialize an array of form elements or a set of