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Added a simple cache for xhr objects in the xhr transport.

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This commit is contained in:
jaubourg 2011-01-09 04:03:00 +01:00
parent 368f2441f6
commit 98c6c4b2b0
1 changed files with 8 additions and 1 deletions
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9
src/ajax/xhr.js
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@ -6,6 +6,9 @@ var // Next fake timer id
// Callbacks hashtable
xhrs = {},
// XHR pool
xhrPool = [],
// #5280: see end of file
xhrUnloadAbortMarker = [];
@ -21,7 +24,7 @@ jQuery.ajax.transport( function( s , determineDataType ) {
send: function(headers, complete) {
var xhr = s.xhr(),
var xhr = xhrPool.pop() || s.xhr(),
handle;
// Open the socket
@ -53,6 +56,8 @@ jQuery.ajax.transport( function( s , determineDataType ) {
try {
xhr.send( ( s.hasContent && s.data ) || null );
} catch(e) {
// Store back in pool
xhrPool.push( xhr );
complete(0, "error", "" + e);
return;
}
@ -64,10 +69,12 @@ jQuery.ajax.transport( function( s , determineDataType ) {
if ( callback && ( abortStatusText || xhr.readyState === 4 ) ) {
// Do not listen anymore
// and Store back in pool
if (handle) {
xhr.onreadystatechange = jQuery.noop;
delete xhrs[ handle ];
handle = undefined;
xhrPool.push( xhr );
}
callback = 0;