contentType: "application/x-www-form-urlencoded",
processData: true,
async: true,
- data: null
+ data: null,
+ username: null,
+ password: null,
+ accepts: {
+ xml: "application/xml, text/xml",
+ html: "text/html",
+ script: "text/javascript, application/javascript",
+ json: "application/json, text/javascript",
+ text: "text/plain",
+ _default: "*/*"
+ }
},
// Last-Modified header cache for next request
// If we're requesting a remote document
// and trying to load JSON or Script with a GET
- if ( (!s.url.indexOf("http") || !s.url.indexOf("//")) && ( s.dataType == "script" || s.dataType =="json" ) && s.type.toLowerCase() == "get" ) {
+ if ( (!s.url.indexOf("http") || !s.url.indexOf("//")) && s.dataType == "script" && s.type.toLowerCase() == "get" ) {
var head = document.getElementsByTagName("head")[0];
var script = document.createElement("script");
script.src = s.url;
var xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
// Open the socket
- xml.open(s.type, s.url, s.async);
+ xml.open(s.type, s.url, s.async, s.username, s.password);
// Need an extra try/catch for cross domain requests in Firefox 3
try {
// Set header so the called script knows that it's an XMLHttpRequest
xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+
+ // Set the Accepts header for the server, depending on the dataType
+ xml.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
+ s.accepts[ s.dataType ] + ", */*" :
+ s.accepts._default );
} catch(e){}
// Allow custom headers/mimetypes
- if ( s.beforeSend )
- s.beforeSend(xml);
-
+ if ( s.beforeSend && s.beforeSend(xml, s) === false ) {
+ // cleanup active request counter
+ s.global && jQuery.active--;
+ // close opended socket
+ xml.abort();
+ return false;
+ }
+
if ( s.global )
jQuery.event.trigger("ajaxSend", [xml, s]);