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- !function(a,b){if("function"==typeof define&&define.amd)define(["backbone","underscore"],function(a,c){return b(a,c)});else if("undefined"!=typeof exports){var c=require("backbone"),d=require("underscore");module.exports=b(c,d)}else b(a.Backbone,a._)}(this,function(a,b){"use strict";var c=a.Wreqr,d=a.Wreqr={};return a.Wreqr.VERSION="1.4.0",a.Wreqr.noConflict=function(){return a.Wreqr=c,this},d.Handlers=function(a,b){var c=function(a){this.options=a,this._wreqrHandlers={},b.isFunction(this.initialize)&&this.initialize(a)};return c.extend=a.Model.extend,b.extend(c.prototype,a.Events,{setHandlers:function(a){b.each(a,b.bind(function(a,c){var d=null;b.isObject(a)&&!b.isFunction(a)&&(d=a.context,a=a.callback),this.setHandler(c,a,d)},this))},setHandler:function(a,b,c){var d={callback:b,context:c};this._wreqrHandlers[a]=d,this.trigger("handler:add",a,b,c)},hasHandler:function(a){return!!this._wreqrHandlers[a]},getHandler:function(a){var b=this._wreqrHandlers[a];if(b)return function(){return b.callback.apply(b.context,arguments)}},removeHandler:function(a){delete this._wreqrHandlers[a]},removeAllHandlers:function(){this._wreqrHandlers={}}}),c}(a,b),d.CommandStorage=function(){var c=function(a){this.options=a,this._commands={},b.isFunction(this.initialize)&&this.initialize(a)};return b.extend(c.prototype,a.Events,{getCommands:function(a){var b=this._commands[a];return b||(b={command:a,instances:[]},this._commands[a]=b),b},addCommand:function(a,b){var c=this.getCommands(a);c.instances.push(b)},clearCommands:function(a){var b=this.getCommands(a);b.instances=[]}}),c}(),d.Commands=function(a,b){return a.Handlers.extend({storageType:a.CommandStorage,constructor:function(b){this.options=b||{},this._initializeStorage(this.options),this.on("handler:add",this._executeCommands,this),a.Handlers.prototype.constructor.apply(this,arguments)},execute:function(a){a=arguments[0];var c=b.rest(arguments);this.hasHandler(a)?this.getHandler(a).apply(this,c):this.storage.addCommand(a,c)},_executeCommands:function(a,c,d){var e=this.storage.getCommands(a);b.each(e.instances,function(a){c.apply(d,a)}),this.storage.clearCommands(a)},_initializeStorage:function(a){var c,d=a.storageType||this.storageType;c=b.isFunction(d)?new d:d,this.storage=c}})}(d,b),d.RequestResponse=function(a,b){return a.Handlers.extend({request:function(a){return this.hasHandler(a)?this.getHandler(a).apply(this,b.rest(arguments)):void 0}})}(d,b),d.EventAggregator=function(a,b){var c=function(){};return c.extend=a.Model.extend,b.extend(c.prototype,a.Events),c}(a,b),d.Channel=function(c){var d=function(b){this.vent=new a.Wreqr.EventAggregator,this.reqres=new a.Wreqr.RequestResponse,this.commands=new a.Wreqr.Commands,this.channelName=b};return b.extend(d.prototype,{reset:function(){return this.vent.off(),this.vent.stopListening(),this.reqres.removeAllHandlers(),this.commands.removeAllHandlers(),this},connectEvents:function(a,b){return this._connect("vent",a,b),this},connectCommands:function(a,b){return this._connect("commands",a,b),this},connectRequests:function(a,b){return this._connect("reqres",a,b),this},_connect:function(a,c,d){if(c){d=d||this;var e="vent"===a?"on":"setHandler";b.each(c,b.bind(function(c,f){this[a][e](f,b.bind(c,d))},this))}}}),d}(d),d.radio=function(a,b){var c=function(){this._channels={},this.vent={},this.commands={},this.reqres={},this._proxyMethods()};b.extend(c.prototype,{channel:function(a){if(!a)throw new Error("Channel must receive a name");return this._getChannel(a)},_getChannel:function(b){var c=this._channels[b];return c||(c=new a.Channel(b),this._channels[b]=c),c},_proxyMethods:function(){b.each(["vent","commands","reqres"],b.bind(function(a){b.each(d[a],b.bind(function(b){this[a][b]=e(this,a,b)},this))},this))}});var d={vent:["on","off","trigger","once","stopListening","listenTo","listenToOnce"],commands:["execute","setHandler","setHandlers","removeHandler","removeAllHandlers"],reqres:["request","setHandler","setHandlers","removeHandler","removeAllHandlers"]},e=function(a,c,d){return function(e){var f=a._getChannel(e)[c];return f[d].apply(f,b.rest(arguments))}};return new c}(d,b),a.Wreqr});
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