include/javascript/yui3/build/io/io-queue.js

   1 /*
   2  Copyright (c) 2010, Yahoo! Inc. All rights reserved.
   3  Code licensed under the BSD License:
   4  http://developer.yahoo.com/yui/license.html
   5  version: 3.3.0
   6  build: 3167
   7  */
   8 YUI.add('io-queue',function(Y){var _q=new Y.Queue(),_activeId,_qState=1;function _shift(){var o=_q.next();_activeId=o.id;_qState=0;Y.io(o.uri,o.cfg,o.id);}
   9 function _unshift(o){_q.promote(o);}
  10 function _queue(uri,c){var o={uri:uri,id:Y.io._id(),cfg:c};_q.add(o);if(_qState===1){_shift();}
  11 return o;}
  12 function _next(id){_qState=1;if(_activeId===id&&_q.size()>0){_shift();}}
  13 function _remove(o){_q.remove(o);}
  14 function _start(){_qState=1;if(_q.size()>0){_shift();}}
  15 function _stop(){_qState=0;}
  16 function _size(){return _q.size();}
  17 _queue.size=_size;_queue.start=_start;_queue.stop=_stop;_queue.promote=_unshift;_queue.remove=_remove;Y.on('io:complete',function(id){_next(id);},Y.io);Y.mix(Y.io,{queue:_queue},true);},'3.3.0',{requires:['io-base','queue-promote']});