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@pplante
Created July 26, 2011 03:54
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jQuery AjaxQ(ueue)
// Copyright (C) 2011 Philip Plante <@pplante>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
(function($) {
var ajaxQueue = [];
var activeConnections = 0;
var maxConnections = 2;
function queue_next() {
console.log('ajaxq len:', ajaxQueue.length, 'active:', activeConnections, 'max:', maxConnections);
if(ajaxQueue.length > 0 && activeConnections < maxConnections) {
activeConnections += 1;
var settings = ajaxQueue.pop();
var req = $.ajax.apply($, settings);
req.complete(function() {
activeConnections -= 1;
queue_next();
});
}
}
$.ajaxq = function() {
var ajaxArgs = arguments;
ajaxQueue.push(ajaxArgs);
queue_next();
};
})(jQuery);
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