// event_emitter.js v0.1.0
// https://github.com/shokai/event_emitter.js
// (c) 2013-2015 Sho Hashimoto <hashimoto@shokai.org>
// The MIT License
var EventEmitter=function(){var self=this;this.apply=function(target,prefix){if(!prefix)prefix="";for(var func in self){if(self.hasOwnProperty(func)&&func!=="apply"){target[prefix+func]=this[func]}}};this.__events=new Array;this.on=function(type,listener,opts){if(typeof listener!=="function")return;var event_id=self.__events.length>0?1+self.__events[self.__events.length-1].id:0;var params={id:event_id,type:type,listener:listener};for(i in opts){if(!params[i])params[i]=opts[i]}self.__events.push(params);return event_id};this.once=function(type,listener){self.on(type,listener,{once:true})};this.emit=function(type,data){for(var i=0;i<self.__events.length;i++){var e=self.__events[i];switch(e.type){case type:e.listener(data);if(e.once)e.type=null;break;case"*":e.listener(type,data);if(e.once)e.type=null;break}}};this.removeListener=function(id_or_type){for(var i=self.__events.length-1;i>=0;i--){var e=self.__events[i];switch(typeof id_or_type){case"number":if(e.id===id_or_type)self.__events.splice(i,1);break;case"string":case"object":if(e.type===id_or_type)self.__events.splice(i,1);break}}}};if(typeof module!=="undefined"&&typeof module.exports!=="undefined"){module.exports=EventEmitter}else if(typeof define==="function"&&define.amd){define([],function(){return EventEmitter})}