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/*
* jQuery Asynchronous Plugin 1.0
*
* Copyright (c) 2008 Vincent Robert (genezys.net)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
*/
(function($){
// opts.delay : (default 10) delay between async call in ms
// opts.bulk : (default 500) delay during which the loop can continue synchronously without yielding the CPU
// opts.test : (default true) function to test in the while test part
// opts.loop : (default empty) function to call in the while loop part
// opts.end : (default empty) function to call at the end of the while loop
$.whileAsync = function(opts) {
var delay = Math.abs(opts.delay) || 10,
bulk = isNaN(opts.bulk) ? 500 : Math.abs(opts.bulk),
test = opts.test || function(){ return true; },
loop = opts.loop || function(){},
end = opts.end || function(){};
(function(){
var t = false,
begin = new Date();
while( t = test() ) {
loop();
if( bulk === 0 || (new Date() - begin) > bulk ) {
break;
}
}
if( t ) {
setTimeout(arguments.callee, delay);
}
else {
end();
}
})();
};
// opts.delay : (default 10) delay between async call in ms
// opts.bulk : (default 500) delay during which the loop can continue synchronously without yielding the CPU
// opts.loop : (default empty) function to call in the each loop part, signature: function(index, value) this = value
// opts.end : (default empty) function to call at the end of the each loop
$.eachAsync = function(array, opts) {
var i = 0,
l = array.length,
loop = opts.loop || function(){};
$.whileAsync(
$.extend(opts, {
test: function() { return i < l; },
loop: function() {
var val = array[i];
return loop.call(val, i++, val);
}
})
);
};
$.fn.eachAsync = function(opts) {
$.eachAsync(this, opts);
return this;
}
})(jQuery);
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