MediaWiki 1.17.0

[autoinstallsdev/mediawiki.git] / resources / jquery / jquery.async.js

diff --git a/resources/jquery/jquery.async.js b/resources/jquery/jquery.async.js
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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);
+