X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=blobdiff_plain;f=src%2Fajax%2Fxhr.js;fp=src%2Fajax%2Fxhr.js;h=97db07951d6b8b653f53e8dd5d56114caf3f616d;hp=4adf8eb2ad0ceea7fa2ddfeabbd9c4b13b0a388a;hb=ee22a59129e082a2bb9f5bc0b085191ab6faafc8;hpb=50e950a96e0fae23a1ae418951a298e2949ff351 diff --git a/src/ajax/xhr.js b/src/ajax/xhr.js index 4adf8eb..97db079 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. } } }