air/src/NativeObservable.js

   1 /*\r
   2  * Ext JS Library 0.30\r
   3  * Copyright(c) 2006-2009, Ext JS, LLC.\r
   4  * licensing@extjs.com\r
   5  * \r
   6  * http://extjs.com/license\r
   7  */\r
   8 \r
   9 /**\r
  10  * @class Ext.air.NativeObservable\r
  11  * @extends Ext.util.Observable\r
  12  * \r
  13  * Adds ability for Ext Observable functionality to proxy events for native (AIR) object wrappers\r
  14  * \r
  15  * @constructor\r
  16  */\r
  17 \r
  18 Ext.air.NativeObservable = Ext.extend(Ext.util.Observable, {\r
  19         addListener : function(name){\r
  20                 this.proxiedEvents = this.proxiedEvents || {};\r
  21                 if(!this.proxiedEvents[name]){\r
  22                         var instance = this;\r
  23                         var f = function(){\r
  24                                 var args = Array.prototype.slice.call(arguments, 0);\r
  25                                 args.unshift(name);\r
  26                                 instance.fireEvent.apply(instance, args);\r
  27                         };\r
  28                         this.proxiedEvents[name] = f;\r
  29                         this.getNative().addEventListener(name, f);\r
  30                 }\r
  31                 Ext.air.NativeObservable.superclass.addListener.apply(this, arguments);\r
  32         }\r
  33 });\r
  34 \r
  35 Ext.air.NativeObservable.prototype.on = Ext.air.NativeObservable.prototype.addListener;