aboutsummaryrefslogtreecommitdiffstats
path: root/src/ajax/xhr.js
diff options
context:
space:
mode:
Diffstat (limited to 'src/ajax/xhr.js')
-rw-r--r--src/ajax/xhr.js53
1 files changed, 30 insertions, 23 deletions
diff --git a/src/ajax/xhr.js b/src/ajax/xhr.js
index 4adf8eb2a..97db07951 100644
--- a/src/ajax/xhr.js
+++ b/src/ajax/xhr.js
@@ -1,5 +1,18 @@
(function( jQuery ) {
+// Functions to create xhrs
+function createStandardXHR() {
+ try {
+ return new window.XMLHttpRequest();
+ } catch( e ) {}
+}
+
+function createActiveXHR() {
+ try {
+ return new window.ActiveXObject("Microsoft.XMLHTTP");
+ } catch( e ) {}
+}
+
var // Next active xhr id
xhrId = jQuery.now(),
@@ -10,7 +23,11 @@ var // Next active xhr id
xhrUnloadAbortInstalled,
// XHR used to determine supports properties
- testXHR;
+ testXHR,
+
+ // Keep track of isLocal in case it gets removed
+ // from ajaxSettings later on
+ protocolIsLocal = jQuery.ajaxSettings.isLocal;
// Create the request object
// (This is still attached to ajaxSettings for backward compatibility)
@@ -21,28 +38,17 @@ jQuery.ajaxSettings.xhr = window.ActiveXObject ?
* Additionally XMLHttpRequest can be disabled in IE7/IE8 so
* we need a fallback.
*/
- function() {
- if ( !jQuery.ajaxSettings.isLocal ) {
- try {
- return new window.XMLHttpRequest();
- } catch( xhrError ) {}
+ ( protocolIsLocal ?
+ createActiveXHR :
+ function() {
+ return createStandardXHR() || createActiveXHR();
}
-
- try {
- return new window.ActiveXObject("Microsoft.XMLHTTP");
- } catch( activeError ) {}
- } :
+ ) :
// For all other browsers, use the standard XMLHttpRequest object
- function() {
- return new window.XMLHttpRequest();
- };
+ createStandardXHR;
// Test if we can create an xhr object
-try {
- testXHR = jQuery.ajaxSettings.xhr();
-} catch( xhrCreationException ) {}
-
-//Does this browser support XHR requests?
+testXHR = jQuery.ajaxSettings.xhr();
jQuery.support.ajax = !!testXHR;
// Does this browser support crossDomain XHR requests
@@ -189,13 +195,14 @@ if ( jQuery.support.ajax ) {
// for errors, could be anything really (even a real 0)
status = 302;
}
- // All same-domain - #8125, #8152: for local files, 0 is a success
- } else if( s.isLocal ) {
+ // All same-domain: for local files, 0 is a success
+ } else if( protocolIsLocal ) {
status = 200;
+ // Opera: this notifies success for all requests
+ // (verified in 11.01). Patch welcome.
}
// Opera - #6060: sets status as 0 for 304
- // and there doesn't seem to be any way to
- // detect this case. Patch VERY welcome.
+ // Patch welcome.
}
}
}