emberjs-auth.js

window.App = Em.Application.create({
  LOG_TRANSITIONS: true
});
App.deferReadiness();

App.Router.map(function() {
    this.route("login", { path: "/login" });
	  this.route("explore", { path: "/explore" });
	  this.route("events", { path: "/events" });

});

App.LoginView = Ember.View.extend({
	didInsertElement : function(){
		  FB.XFBML.parse();
	}
});


App.LoginController = Ember.ObjectController.extend({
	  authenticated: false,
	  authenticateFor : "",
	  
	  init : function(){
		  FB.Event.subscribe('auth.authResponseChange', function(response) {
			  // I can't reach to loginController
			  App.loginController.authenticate();
		  });
	  },
		
	  authenticate : function(){
		  this.set("authenticated",true);
		  this.transitionTo(this.get("authenticateFor"));
	  },

	  deauthenticate : function(){
		  this.set("authenticated",false);
		  this.transitionTo("index");
	  }
});

App.AuthRoute = Ember.Route.extend({
	redirect : function() {
		if (!this.controllerFor('login').get("authenticated")){
			this.controllerFor('login').set("authenticateFor",this.routeName);
			this.transitionTo('login');
		}
	}
});

App.EventsRoute = App.AuthRoute.extend();

App.advanceReadiness();