Move NavigationController to a separate file

lib/browser/app.js

@@ -23,7 +23,6 @@
 var angular = require('angular');
 const _ = require('lodash');
 const electron = require('electron');
-const shell = electron.remote.require('shell');
 const dialog = electron.remote.require('./src/dialog');
 const BrowserWindow = electron.remote.BrowserWindow;
 const currentWindow = BrowserWindow.fromId(1);
@@ -38,6 +37,7 @@ require('./browser/modules/path');
 require('./browser/modules/notifier');
 require('./browser/modules/analytics');
 require('./browser/controllers/finish');
+require('./browser/controllers/navigation');
 
 const app = angular.module('Etcher', [
   'ui.router',
@@ -53,7 +53,8 @@ const app = angular.module('Etcher', [
   'Etcher.analytics',
 
   // Controllers
-  'Etcher.controllers.finish'
+  'Etcher.controllers.finish',
+  'Etcher.controllers.navigation'
 ]);
 
 app.config(function($stateProvider, $urlRouterProvider) {
@@ -202,8 +203,3 @@ app.controller('AppController', function(
     });
   };
 });
-
-app.controller('NavigationController', function($state) {
-  this.isState = $state.is;
-  this.open = shell.openExternal;
-});

lib/browser/controllers/navigation.js

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2016 Resin.io
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+'use strict';
+
+/**
+ * @module Etcher.controllers.navigation
+ */
+
+const electron = require('electron');
+const shell = electron.remote.require('shell');
+const angular = require('angular');
+
+require('angular-ui-router');
+const navigation = angular.module('Etcher.controllers.navigation', [
+  'ui.router'
+]);
+
+navigation.controller('NavigationController', function($state) {
+
+  /**
+   * @summary Check the current state
+   * @function
+   * @public
+   *
+   * @param {String} state - state
+   * @returns {Boolean} whether the state matches
+   *
+   * @example
+   * if(NavigationController.isState('state')) {
+   *   console.log('We are in this state').
+   * }
+   */
+  this.isState = $state.is;
+
+  /**
+   * @summary Open external resource
+   * @function
+   * @public
+   *
+   * @param {String} resource - resource
+   *
+   * @example
+   * NavigationController.open('https://google.com');
+   */
+  this.open = shell.openExternal;
+
+});