From 38d1bd7d4b37b79b93f00bfdb1d0e6927d0a03e8 Mon Sep 17 00:00:00 2001
From: Dustin Falgout <dustin@falgout.us>
Date: Sun, 28 Feb 2016 06:43:39 -0600
Subject: [PATCH] turns out we don't need babel afterall

---
 themes/antergos/index.html                 |   4 +-
 themes/antergos/js/greeter-compiled.js     | 164 +++++++++--------
 themes/antergos/js/greeter-compiled.js.map |   2 +-
 themes/antergos/js/greeter.js              | 199 ++++++++++++---------
 4 files changed, 201 insertions(+), 168 deletions(-)

diff --git a/themes/antergos/index.html b/themes/antergos/index.html
index 7fd70ca..a7c92df 100644
--- a/themes/antergos/index.html
+++ b/themes/antergos/index.html
@@ -53,7 +53,7 @@
 
 	<!-- Theme JavaScript -->
 	<script type="text/javascript" src="js/translations.js"></script>
-	<script type="text/javascript" src="js/greeter-compiled.js"></script>
+	<script type="text/javascript" src="js/greeter.js"></script>
 
 </head>
 
@@ -94,7 +94,7 @@
 				<div class="row">
 					<div class="col-md-6 col-md-offset-3">
 						<!-- Login Dialog -->
-						<div id="login" class="panel panel-default login-box fade">
+						<div id="login" class="panel panel-default login-box">
 							<div class="panel-heading text-center">
 									<span class="pull-left">
 										<img src="img/antergos.png" data-greeter-config="logo" alt="Antergos"/>
diff --git a/themes/antergos/js/greeter-compiled.js b/themes/antergos/js/greeter-compiled.js
index 928652c..30a1602 100644
--- a/themes/antergos/js/greeter-compiled.js
+++ b/themes/antergos/js/greeter-compiled.js
@@ -30,7 +30,8 @@
  * This is used to access our classes from within jQuery callbacks.
  */
 var _self = null,
-    _bg_self = null;
+    _bg_self = null,
+    _util = null;
 
 /**
  * Capitalize a string.
@@ -44,9 +45,14 @@ String.prototype.capitalize = function () {
 /**
  * This is the base class for the theme's components.
  */
-class GreeterThemeComponent {
+class AntergosThemeUtils {
 
 	constructor() {
+		if (null !== _util) {
+			return _util;
+		}
+		_util = this;
+
 		this.debug = true;
 		this.lang = window.navigator.language.split('-')[0].toLowerCase();
 		this.translations = window.ant_translations;
@@ -79,7 +85,7 @@ class GreeterThemeComponent {
 	cache_get() {
 		var key = `ant`;
 
-		for (var _len = arguments.length, key_parts = Array(_len), _key = 0; _key < _len; _key++) {
+		for (var _len = arguments.length, key_parts = new Array(_len), _key = 0; _key < _len; _key++) {
 			key_parts[_key] = arguments[_key];
 		}
 
@@ -99,7 +105,7 @@ class GreeterThemeComponent {
 	cache_set(value) {
 		var key = `ant`;
 
-		for (var _len2 = arguments.length, key_parts = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+		for (var _len2 = arguments.length, key_parts = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
 			key_parts[_key2 - 1] = arguments[_key2];
 		}
 
@@ -119,24 +125,23 @@ class GreeterThemeComponent {
 		    background_images_dir = '';
 
 		if ('undefined' !== typeof config) {
-			if (this instanceof AntergosTheme) {
-				logo = config.get_str('branding', 'logo') || '';
-				user_image = config.get_str('branding', 'user_image') || '';
-			} else if (this instanceof AntergosBackgroundManager) {
-				background_images_dir = config.get_str('branding', 'background_images') || '';
-				if (background_images_dir) {
-					background_images = greeterutil.dirlist(background_images_dir) || [];
-				}
 
-				if (background_images.length) {
-					let images = [];
-					for (var file of background_images) {
-						if (file.match(/(png|PNG)|(jpg|JPEG)|(bmp|BMP)/)) {
-							images.push(file);
-						}
+			logo = config.get_str('branding', 'logo') || '';
+			user_image = config.get_str('branding', 'user_image') || '';
+
+			background_images_dir = config.get_str('branding', 'background_images') || '';
+			if (background_images_dir) {
+				background_images = greeterutil.dirlist(background_images_dir) || [];
+			}
+
+			if (background_images && background_images.length) {
+				var images = [];
+				for (var file of background_images) {
+					if (file.match(/(png|PNG)|(jpg|JPEG)|(bmp|BMP)/)) {
+						images.push(file);
 					}
-					background_images = images;
 				}
+				background_images = images;
 			}
 		}
 
@@ -150,23 +155,25 @@ class GreeterThemeComponent {
 /**
  * This class handles the theme's background switcher.
  */
-class AntergosBackgroundManager extends GreeterThemeComponent {
+class AntergosBackgroundManager {
 
 	constructor() {
-		super();
-		if (null === _bg_self) {
-			_bg_self = this;
+		if (null !== _bg_self) {
+			return _bg_self;
 		}
 
-		this.current_background = this.cache_get('background_manager', 'current_background');
+		_bg_self = this;
+
+		this.current_background = _util.cache_get('background_manager', 'current_background');
 
-		if (!this.background_images_dir.length || !this.background_images.length) {
+		if (!_util.background_images_dir.length || !_util.background_images.length) {
 			this.log('AntergosBackgroundManager: [ERROR] No background images detected.');
 
 			$('.header').fadeTo(300, 0.5, function () {
 				$('.header').css("background", '#000000');
 			}).fadeTo(300, 1);
 		}
+
 		return _bg_self;
 	}
 
@@ -175,53 +182,55 @@ class AntergosBackgroundManager extends GreeterThemeComponent {
 			// For backwards compatibility
 			if (null !== localStorage.getItem('bgsaved') && '0' === localStorage.getItem('bgrandom')) {
 				this.current_background = localStorage.getItem('bgsaved');
-				this.cache_set(this.current_background, 'background_manager', 'current_background');
+				_util.cache_set(this.current_background, 'background_manager', 'current_background');
 				localStorage.removeItem('bgrandom');
 				localStorage.removeItem('bgsaved');
-			} else if ('0' === localStorage.getItem('bgrandom')) {
-				this.current_background = this.get_random_image();
-				this.cache_set('true', 'background_manager', 'random_background');
-				localStorage.removeItem('bgrandom');
+			} else {
+				if ('0' === localStorage.getItem('bgrandom')) {
+					this.current_background = this.get_random_image();
+					_util.cache_set('true', 'background_manager', 'random_background');
+					localStorage.removeItem('bgrandom');
+				}
 			}
 		}
 
 		if (!this.current_background) {
 			// For current and future versions
-			let current_background = this.cache_get('background_manager', 'current_background'),
-			    random_background = this.cache_get('background_manager', 'random_background');
+			let current_background = _util.cache_get('background_manager', 'current_background'),
+			    random_background = _util.cache_get('background_manager', 'random_background');
 
 			if ('true' === random_background || !current_background) {
 				current_background = this.get_random_image();
-				this.cache_set('true', 'background_manager', 'random_background');
+				_util.cache_set('true', 'background_manager', 'random_background');
 			}
 
 			this.current_background = current_background;
-			this.cache_set(this.current_background, 'background_manager', 'current_background');
+			_util.cache_set(this.current_background, 'background_manager', 'current_background');
 		}
 
 		this.do_background();
 	}
 
 	do_background() {
-		if ('undefined' !== typeof this.current_background) {
-			$('.header').fadeTo(300, 0.5, function () {
-				var tpl = `url(${ this.current_background })`;
-				$('.header').css("background-image", tpl);
-			}).fadeTo(300, 1);
-		}
+		$('.header').fadeTo(300, 0.5, function () {
+			var tpl = `url(${ _bg_self.current_background })`;
+			$('.header').css("background-image", tpl);
+		}).fadeTo(300, 1);
 	}
 
 	get_random_image() {
 		var random_bg;
 
-		random_bg = Math.floor(Math.random() * this.background_images.length);
+		random_bg = Math.floor(Math.random() * _util.background_images.length);
 
-		return this.background_images[random_bg];
+		return _util.background_images[random_bg];
 	}
 
 	setup_background_thumbnails() {
-		if (this.background_images.length) {
-			for (var image_file of this.background_images) {
+		if (_util.background_images.length) {
+			$('[data-img="random"]').click(this.background_selected_handler);
+
+			for (var image_file of _util.background_images) {
 				var $link = $('<a href="#"><img>'),
 				    $img_el = $link.children('img'),
 				    tpl = `file://${ image_file }`;
@@ -238,11 +247,11 @@ class AntergosBackgroundManager extends GreeterThemeComponent {
 		var img = $(this).attr('data-img');
 
 		if ('random' === img) {
-			_bg_self.cache_set('true', 'background_manager', 'random_background');
+			_util.cache_set('true', 'background_manager', 'random_background');
 			img = _bg_self.get_random_image();
 		}
 
-		_bg_self.cache_set(img, 'background_manager', 'current_background');
+		_util.cache_set(img, 'background_manager', 'current_background');
 		_bg_self.current_background = img;
 
 		_bg_self.do_background();
@@ -252,13 +261,14 @@ class AntergosBackgroundManager extends GreeterThemeComponent {
 /**
  * This is the theme's main class object. It contains almost all the theme's logic.
  */
-class AntergosTheme extends GreeterThemeComponent {
+class AntergosTheme {
 
 	constructor() {
-		super();
-		if (null === _self) {
-			_self = this;
+		if (null !== _self) {
+			return _self;
 		}
+		_self = this;
+
 		this.tux = 'img/antergos-logo-user.png';
 		this.user_list_visible = false;
 		this.auth_pending = false;
@@ -270,9 +280,10 @@ class AntergosTheme extends GreeterThemeComponent {
 		this.$actions_container = $("#actionsArea");
 		this.$msg_area_container = $('#statusArea');
 		this.$msg_area = $('#showMsg');
-		this.background_manager = new AntergosBackgroundManager();
 
+		this.background_manager = new AntergosBackgroundManager();
 		this.background_manager.initialize();
+
 		this.initialize();
 
 		return _self;
@@ -286,7 +297,6 @@ class AntergosTheme extends GreeterThemeComponent {
 		this.prepare_user_list();
 		this.prepare_session_list();
 		this.prepare_system_action_buttons();
-		$("#login").addClass("in");
 		this.register_callbacks();
 		this.background_manager.setup_background_thumbnails();
 	}
@@ -319,8 +329,8 @@ class AntergosTheme extends GreeterThemeComponent {
 
 		// Loop through the array of LightDMUser objects to create our user list.
 		for (var user of lightdm.users) {
-			var last_session = this.cache_get('user', user.name, 'session'),
-			    image_src = user.image.length ? user.image : this.user_image;
+			var last_session = _util.cache_get('user', user.name, 'session'),
+			    image_src = user.image.length ? user.image : _util.user_image;
 
 			if (null === last_session) {
 				// For backwards compatibility
@@ -330,10 +340,10 @@ class AntergosTheme extends GreeterThemeComponent {
 					// session.
 					last_session = lightdm.default_session;
 				}
-				this.cache_set(last_session, 'user', user.name, 'session');
+				_util.cache_set(last_session, 'user', user.name, 'session');
 			}
 
-			this.log(`Last session for ${ user.name } was: ${ last_session }`);
+			_util.log(`Last session for ${ user.name } was: ${ last_session }`);
 
 			template = `
 				<a href="#" id="${ user.name }" class="list-group-item ${ user.name }" data-session="${ last_session }">
@@ -361,7 +371,7 @@ class AntergosTheme extends GreeterThemeComponent {
 			var css_class = session.name.replace(/ /g, ''),
 			    template;
 
-			this.log(`Adding ${ session.name } to the session list...`);
+			_util.log(`Adding ${ session.name } to the session list...`);
 
 			template = `
 				<li>
@@ -404,7 +414,7 @@ class AntergosTheme extends GreeterThemeComponent {
 	}
 
 	initialize_clock() {
-		var saved_format = this.cache_get('clock', 'time_format'),
+		var saved_format = _util.cache_get('clock', 'time_format'),
 		    format = null !== saved_format ? saved_format : 'LT';
 
 		moment.locale(window.navigator.languages);
@@ -429,8 +439,8 @@ class AntergosTheme extends GreeterThemeComponent {
 	}
 
 	prepare_login_panel_header() {
-		var greeting = this.translations.greeting ? this.translations.greeting : 'Welcome!',
-		    logo = '' !== this.logo ? this.logo : 'img/antergos.png';
+		var greeting = _util.translations.greeting ? _util.translations.greeting : 'Welcome!',
+		    logo = '' !== _util.logo ? _util.logo : 'img/antergos.png';
 
 		$('.welcome').text(greeting);
 		$('#hostname').append(lightdm.hostname);
@@ -438,19 +448,19 @@ class AntergosTheme extends GreeterThemeComponent {
 	}
 
 	prepare_translations() {
-		if (!this.translations.hasOwnProperty(this.lang)) {
+		if (!_util.translations.hasOwnProperty(this.lang)) {
 			for (var lang of window.navigator.languages) {
-				if (this.translations.hasOwnProperty(lang)) {
+				if (_util.translations.hasOwnProperty(lang)) {
 					this.lang = lang;
 					break;
 				}
 			}
 		}
-		if (!this.translations.hasOwnProperty(this.lang)) {
+		if (!_util.translations.hasOwnProperty(this.lang)) {
 			this.lang = 'en';
 		}
 
-		this.translations = this.translations[this.lang];
+		_util.translations = _util.translations[this.lang];
 	}
 
 	/**
@@ -462,7 +472,7 @@ class AntergosTheme extends GreeterThemeComponent {
 		$('[data-i18n]').each(function () {
 			var key = $(this).attr('data-i18n'),
 			    html = $(this).html(),
-			    translated = _self.translations[key],
+			    translated = _util.translations[key],
 			    new_html = html.replace('${i18n}', translated);
 
 			$(this).html(new_html);
@@ -477,15 +487,15 @@ class AntergosTheme extends GreeterThemeComponent {
 	start_authentication(event) {
 		var user_id = $(this).attr('id'),
 		    selector = `.${ user_id }`,
-		    user_session = _self.cache_get('user', user_id, 'session');
+		    user_session = _util.cache_get('user', user_id, 'session');
 
 		if (_self.auth_pending || null !== _self.selected_user) {
 			lightdm.cancel_authentication();
-			_self.log(`Authentication cancelled for ${ _self.selected_user }`);
+			_util.log(`Authentication cancelled for ${ _self.selected_user }`);
 			_self.selected_user = null;
 		}
 
-		_self.log(`Starting authentication for ${ user_id }.`);
+		_util.log(`Starting authentication for ${ user_id }.`);
 		_self.selected_user = user_id;
 
 		// CSS hack to workaround webkit bug
@@ -495,7 +505,7 @@ class AntergosTheme extends GreeterThemeComponent {
 		$(selector).addClass('hovered').siblings().hide();
 		$('.fa-toggle-down').hide();
 
-		_self.log(`Session for ${ user_id } is ${ user_session }`);
+		_util.log(`Session for ${ user_id } is ${ user_session }`);
 
 		$(`[data-session-id="${ user_session }"]`).parent().trigger('click', this);
 
@@ -522,7 +532,7 @@ class AntergosTheme extends GreeterThemeComponent {
 
 		lightdm.cancel_authentication();
 
-		_self.log('Cancelled authentication.');
+		_util.log('Cancelled authentication.');
 
 		// CSS hack to work-around webkit bug
 		if ($(_self.$user_list).children().length > 3) {
@@ -543,17 +553,18 @@ class AntergosTheme extends GreeterThemeComponent {
   */
 	authentication_complete() {
 		var selected_session = $('.selected').attr('data-session-id'),
-		    err_msg = _self.translations.auth_failed[_self.lang];
+		    err_msg = _util.translations.auth_failed[_self.lang];
 
 		_self.auth_pending = false;
-		_self.cache_set(selected_session, 'user', lightdm.authentication_user, 'session');
+		_util.cache_set(selected_session, 'user', lightdm.authentication_user, 'session');
 
 		$('#timerArea').hide();
 
 		if (lightdm.is_authenticated) {
 			// The user entered the correct password. Let's log them in.
-			$('body').fadeOut(1000);
-			lightdm.login(lightdm.authentication_user, selected_session);
+			$('body').fadeOut(1000, () => {
+				lightdm.login(lightdm.authentication_user, selected_session);
+			});
 		} else {
 			// The user did not enter the correct password. Show error message.
 			$('#statusArea').show();
@@ -598,7 +609,7 @@ class AntergosTheme extends GreeterThemeComponent {
 		var action = $(this).attr('id'),
 		    $modal = $('.modal');
 
-		$modal.find('.btn-primary').text(_self.translations[action]).click(action, event => {
+		$modal.find('.btn-primary').text(_util.translations[action]).click(action, event => {
 			$(this).off('click');
 			lightdm[event.data]();
 		});
@@ -650,7 +661,8 @@ class AntergosTheme extends GreeterThemeComponent {
  * Initialize the theme once the window has loaded.
  */
 $(window).load(() => {
-	_self = new AntergosTheme();
+	new AntergosThemeUtils();
+	new AntergosTheme();
 });
 
 //# sourceMappingURL=greeter-compiled.js.map
\ No newline at end of file
diff --git a/themes/antergos/js/greeter-compiled.js.map b/themes/antergos/js/greeter-compiled.js.map
index 9ad0412..eb7010e 100644
--- a/themes/antergos/js/greeter-compiled.js.map
+++ b/themes/antergos/js/greeter-compiled.js.map
@@ -1 +1 @@
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*\n * Copyright © 2015-2016 Antergos\n *\n * greeter.js\n *\n * This file is part of lightdm-webkit-theme-antergos\n *\n * lightdm-webkit-theme-antergos is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License,\n * or any later version.\n *\n * lightdm-webkit-theme-antergos is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * The following additional terms are in effect as per Section 7 of this license:\n *\n * The preservation of all legal notices and author attributions in\n * the material or in the Appropriate Legal Notices displayed\n * by works containing it is required.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n\n/**\n * This is used to access our classes from within jQuery callbacks.\n */\nvar _self = null,\n\t_bg_self = null;\n\n\n/**\n * Capitalize a string.\n *\n * @returns {string}\n */\nString.prototype.capitalize = function() {\n\treturn this.charAt( 0 ).toUpperCase() + this.slice( 1 );\n};\n\n\n\n\n\n\n/**\n * This is the base class for the theme's components.\n */\nclass GreeterThemeComponent {\n\n\tconstructor() {\n\t\tthis.debug = true;\n\t\tthis.lang = window.navigator.language.split( '-' )[ 0 ].toLowerCase();\n\t\tthis.translations = window.ant_translations;\n\n\t\tif ( 'undefined' === typeof window.navigator.languages ) {\n\t\t\twindow.navigator.languages = [ window.navigator.language ];\n\t\t}\n\n\t\tthis.init_config_values();\n\t}\n\n\n\t/**\n\t * Add text to the debug log element (accessible from the login screen).\n\t *\n\t * @param {string} text - To be added to the log.\n\t */\n\tlog( text ) {\n\t\tif ( true === this.debug ) {\n\t\t\tconsole.log( text );\n\t\t}\n\t\t$( '#logArea' ).append( `${text}<br/>` );\n\t}\n\n\n\t/**\n\t * Get a key's value from localStorage. Keys can have two or more parts.\n\t * For example: \"ant:user:john:session\".\n\t *\n\t * @param {...string} key_parts - Strings that are combined to form the key.\n\t */\n\tcache_get( ...key_parts ) {\n\t\tvar key = `ant`;\n\n\t\tfor ( var part of key_parts ) {\n\t\t\tkey += `:${part}`;\n\t\t}\n\t\treturn localStorage.getItem( key );\n\t}\n\n\n\t/**\n\t * Set a key's value in localStorage. Keys can have two or more parts.\n\t * For example: \"ant:user:john:session\".\n\t *\n\t * @param {string} value - The value to set.\n\t * @param {...string} key_parts - Strings that are combined to form the key.\n\t */\n\tcache_set( value, ...key_parts ) {\n\t\tvar key = `ant`;\n\n\t\tfor ( var part of key_parts ) {\n\t\t\tkey += `:${part}`;\n\t\t}\n\t\treturn localStorage.setItem( key, value );\n\t}\n\n\n\t/**\n\t * Get some values from `lightdm-webkit2-greeter.conf` and save them for later.\n\t */\n\tinit_config_values() {\n\t\tvar logo = '', user_image = '', background_images = [], background_images_dir = '';\n\n\t\tif ( 'undefined' !== typeof config ) {\n\t\t\tif ( this instanceof AntergosTheme ) {\n\t\t\t\tlogo = config.get_str( 'branding', 'logo' ) || '';\n\t\t\t\tuser_image = config.get_str( 'branding', 'user_image' ) || '';\n\n\t\t\t} else if ( this instanceof AntergosBackgroundManager ) {\n\t\t\t\tbackground_images_dir = config.get_str( 'branding', 'background_images' ) || '';\n\t\t\t\tif (background_images_dir) {\n\t\t\t\t\tbackground_images = greeterutil.dirlist(background_images_dir) || [];\n\t\t\t\t}\n\n\t\t\t\tif (background_images.length) {\n\t\t\t\t\tlet images = [];\n\t\t\t\t\tfor (var file of background_images) {\n\t\t\t\t\t\tif (file.match(/(png|PNG)|(jpg|JPEG)|(bmp|BMP)/)) {\n\t\t\t\t\t\t\timages.push(file);\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\tbackground_images = images;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tthis.logo = logo;\n\t\tthis.user_image = user_image;\n\t\tthis.background_images = background_images;\n\t\tthis.background_images_dir = background_images_dir;\n\t}\n}\n\n\n\n\n\n\n/**\n * This class handles the theme's background switcher.\n */\nclass AntergosBackgroundManager extends GreeterThemeComponent {\n\n\tconstructor() {\n\t\tsuper();\n\t\tif ( null === _bg_self ) {\n\t\t\t_bg_self = this;\n\t\t}\n\n\t\tthis.current_background = this.cache_get( 'background_manager', 'current_background' );\n\n\t\tif ( ! this.background_images_dir.length || ! this.background_images.length ) {\n\t\t\tthis.log('AntergosBackgroundManager: [ERROR] No background images detected.');\n\n\t\t\t$( '.header' ).fadeTo( 300, 0.5, function() {\n\t\t\t\t$( '.header' ).css( \"background\", '#000000' );\n\t\t\t} ).fadeTo( 300, 1 );\n\n\t\t}\n\t\treturn _bg_self;\n\t}\n\n\n\tinitialize() {\n\t\tif ( ! this.current_background ) {\n\t\t\t// For backwards compatibility\n\t\t\tif ( null !== localStorage.getItem( 'bgsaved' ) && '0' === localStorage.getItem( 'bgrandom' ) ) {\n\t\t\t\tthis.current_background = localStorage.getItem( 'bgsaved' );\n\t\t\t\tthis.cache_set( this.current_background, 'background_manager', 'current_background' );\n\t\t\t\tlocalStorage.removeItem( 'bgrandom' );\n\t\t\t\tlocalStorage.removeItem( 'bgsaved' );\n\t\t\t} else if ( '0' === localStorage.getItem( 'bgrandom' ) ) {\n\t\t\t\tthis.current_background = this.get_random_image();\n\t\t\t\tthis.cache_set( 'true', 'background_manager', 'random_background' );\n\t\t\t\tlocalStorage.removeItem( 'bgrandom' );\n\t\t\t}\n\t\t}\n\n\t\tif ( ! this.current_background ) {\n\t\t\t// For current and future versions\n\t\t\tlet current_background = this.cache_get('background_manager', 'current_background' ),\n\t\t\t\trandom_background = this.cache_get('background_manager', 'random_background' );\n\n\t\t\tif ( 'true' === random_background || ! current_background ) {\n\t\t\t\tcurrent_background = this.get_random_image();\n\t\t\t\tthis.cache_set( 'true', 'background_manager', 'random_background' );\n\t\t\t}\n\n\t\t\tthis.current_background = current_background;\n\t\t\tthis.cache_set( this.current_background, 'background_manager', 'current_background' );\n\t\t}\n\n\t\tthis.do_background();\n\t}\n\n\n\tdo_background() {\n\t\tif ('undefined' !== typeof this.current_background) {\n\t\t\t$( '.header' ).fadeTo( 300, 0.5, function() {\n\t\t\t\tvar tpl = `url(${this.current_background})`;\n\t\t\t\t$( '.header' ).css(\"background-image\", tpl );\n\t\t\t} ).fadeTo( 300, 1 );\n\t\t}\n\t}\n\n\n\tget_random_image() {\n\t\tvar random_bg;\n\n\t\trandom_bg = Math.floor( Math.random() * this.background_images.length );\n\n\t\treturn this.background_images[ random_bg ];\n\t}\n\n\tsetup_background_thumbnails() {\n\t\tif (this.background_images.length) {\n\t\t\tfor ( var image_file of this.background_images ) {\n\t\t\t\tvar $link = $('<a href=\"#\"><img>'),\n\t\t\t\t\t$img_el = $link.children('img'),\n\t\t\t\t\ttpl = `file://${image_file}`;\n\n\t\t\t\t$link.addClass('bg clearfix').attr('data-img', tpl);\n\t\t\t\t$img_el.attr('src', tpl);\n\n\t\t\t\t$link.appendTo($('.bgs')).click( this.background_selected_handler );\n\t\t\t}\n\t\t}\n\t}\n\n\n\tbackground_selected_handler( event ) {\n\t\tvar img = $(this).attr('data-img');\n\n\t\tif ('random' === img) {\n\t\t\t_bg_self.cache_set('true', 'background_manager', 'random_background' );\n\t\t\timg = _bg_self.get_random_image();\n\t\t}\n\n\t\t_bg_self.cache_set(img, 'background_manager', 'current_background' );\n\t\t_bg_self.current_background = img;\n\n\t\t_bg_self.do_background();\n\n\t}\n}\n\n\n\n\n\n/**\n * This is the theme's main class object. It contains almost all the theme's logic.\n */\nclass AntergosTheme extends GreeterThemeComponent {\n\n\tconstructor() {\n\t\tsuper();\n\t\tif ( null === _self ) {\n\t\t\t_self = this;\n\t\t}\n\t\tthis.tux = 'img/antergos-logo-user.png';\n\t\tthis.user_list_visible = false;\n\t\tthis.auth_pending = false;\n\t\tthis.selected_user = null;\n\t\tthis.$user_list = $( '#user-list2' );\n\t\tthis.$session_list = $( '#sessions' );\n\t\tthis.$clock_container = $( '#collapseOne' );\n\t\tthis.$clock = $( \"#current_time\" );\n\t\tthis.$actions_container = $( \"#actionsArea\" );\n\t\tthis.$msg_area_container = $( '#statusArea' );\n\t\tthis.$msg_area = $( '#showMsg' );\n\t\tthis.background_manager = new AntergosBackgroundManager();\n\n\t\tthis.background_manager.initialize();\n\t\tthis.initialize();\n\n\t\treturn _self;\n\t}\n\n\tinitialize() {\n\t\tthis.prepare_translations();\n\t\tthis.do_static_translations();\n\t\tthis.initialize_clock();\n\t\tthis.prepare_login_panel_header();\n\t\tthis.prepare_user_list();\n\t\tthis.prepare_session_list();\n\t\tthis.prepare_system_action_buttons();\n\t\t$( \"#login\" ).addClass( \"in\" );\n\t\tthis.register_callbacks();\n\t\tthis.background_manager.setup_background_thumbnails();\n\t}\n\n\n\t/**\n\t * Register callbacks for the LDM Greeter as well as any others that haven't been registered\n\t * elsewhere.\n\t */\n\tregister_callbacks() {\n\t\tvar events = 'shown.bs.collapse, hidden.bs.collapse';\n\n\t\tthis.$user_list.parents( '.collapse' ).on( events, this.user_list_collapse_handler );\n\t\t$( document ).keydown( this.key_press_handler );\n\t\t$( '.cancel_auth' ).click( this.cancel_authentication );\n\t\t$( '.submit_passwd' ).click( this.submit_password );\n\n\t\twindow.show_prompt = this.show_prompt;\n\t\twindow.show_message = this.show_message;\n\t\twindow.start_authentication = this.start_authentication;\n\t\twindow.cancel_authentication = this.cancel_authentication;\n\t\twindow.authentication_complete = this.authentication_complete;\n\t\twindow.autologin_timer_expired = this.cancel_authentication;\n\t}\n\n\t/**\n\t * Initialize the user list.\n\t */\n\tprepare_user_list() {\n\t\tvar template;\n\n\t\t// Loop through the array of LightDMUser objects to create our user list.\n\t\tfor ( var user of lightdm.users ) {\n\t\t\tvar last_session = this.cache_get( 'user', user.name, 'session' ),\n\t\t\t\timage_src = user.image.length ? user.image : this.user_image;\n\n\t\t\tif ( null === last_session ) {\n\t\t\t\t// For backwards compatibility\n\t\t\t\tlast_session = localStorage.getItem( user.name );\n\t\t\t\tif ( null === last_session ) {\n\t\t\t\t\t// This user has never logged in before let's enable the system's default\n\t\t\t\t\t// session.\n\t\t\t\t\tlast_session = lightdm.default_session;\n\t\t\t\t}\n\t\t\t\tthis.cache_set( last_session, 'user', user.name, 'session' );\n\t\t\t}\n\n\t\t\tthis.log( `Last session for ${user.name} was: ${last_session}` );\n\n\t\t\ttemplate = `\n\t\t\t\t<a href=\"#\" id=\"${user.name}\" class=\"list-group-item ${user.name}\" data-session=\"${last_session}\">\n\t\t\t\t\t<img src=\"${image_src}\" class=\"img-circle\" alt=\"${user.display_name}\" />\n\t\t\t\t\t<span>${user.display_name}</span>\n\t\t\t\t\t<span class=\"badge\"><i class=\"fa fa-check\"></i></span>\n\t\t\t\t</a>`;\n\n\t\t\t// Register event handler here so we don't have to iterate over the users again later.\n\t\t\t$( template ).appendTo( this.$user_list ).click( this.start_authentication ).on('error.antergos', this.user_image_error_handler);\n\n\t\t} // END for ( var user of lightdm.users )\n\n\t\tif ( $( this.$user_list ).children().length > 3 ) {\n\t\t\t// Make the user list two columns instead of one.\n\t\t\t$( this.$user_list ).css( 'column-count', '2' ).parent().css( 'max-width', '85%' );\n\t\t}\n\n\t}\n\n\t/**\n\t * Initialize the session selection dropdown.\n\t */\n\tprepare_session_list() {\n\t\t// Loop through the array of LightDMSession objects to create our session list.\n\t\tfor ( var session of lightdm.sessions ) {\n\t\t\tvar css_class = session.name.replace( / /g, '' ),\n\t\t\t\ttemplate;\n\n\t\t\tthis.log( `Adding ${session.name} to the session list...` );\n\n\t\t\ttemplate = `\n\t\t\t\t<li>\n\t\t\t\t\t<a href=\"#\" data-session-id=\"${session.key}\" class=\"${css_class}\">${session.name}</a>\n\t\t\t\t</li>`;\n\n\t\t\t$( template ).appendTo( this.$session_list ).click( this.session_toggle_handler );\n\n\t\t} // END for (var session of lightdm.sessions)\n\n\t\t$( '.dropdown-toggle' ).dropdown();\n\t}\n\n\t/**\n\t * Initialize the system action buttons\n\t */\n\tprepare_system_action_buttons() {\n\t\tvar actions = {\n\t\t\t\tshutdown: \"power-off\",\n\t\t\t\thibernate: \"asterisk\",\n\t\t\t\tsuspend: \"arrow-down\",\n\t\t\t\trestart: \"refresh\"\n\t\t\t},\n\t\t\ttemplate;\n\n\t\tfor ( var action of Object.keys( actions ) ) {\n\t\t\tvar cmd = `can_${action}`;\n\n\t\t\ttemplate = `\n\t\t\t\t<a href=\"#\" id=\"${action}\" class=\"btn btn-default ${action}\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"${action.capitalize()}\" data-container=\"body\">\n\t\t\t\t\t<i class=\"fa fa-${actions[ action ]}\"></i>\n\t\t\t\t</a>`;\n\n\t\t\tif ( lightdm[ cmd ] ) {\n\t\t\t\t$( template ).appendTo( $( this.$actions_container ) ).click( this.system_action_handler );\n\t\t\t}\n\t\t} // END for (var [action, icon] of actions)\n\n\t\t$( '[data-toggle=tooltip]' ).tooltip();\n\t\t$('.modal').modal({show: false});\n\t}\n\n\tinitialize_clock() {\n\t\tvar saved_format = this.cache_get( 'clock', 'time_format' ),\n\t\t\tformat = (null !== saved_format) ? saved_format : 'LT';\n\n\t\tmoment.locale( window.navigator.languages );\n\t\tthis.$clock.html( moment().format( format ) );\n\n\t\tsetInterval( () => {\n\t\t\t_self.$clock.html( moment().format( format ) );\n\t\t}, 60000 );\n\t}\n\n\n\t/**\n\t * Show the user list if its not already shown. This is used to allow the user to\n\t * display the user list by pressing Enter or Spacebar.\n\t */\n\tshow_user_list() {\n\t\tif ( $( this.$clock_container ).hasClass( 'in' ) ) {\n\t\t\t$( '#trigger' ).trigger( 'click' );\n\t\t}\n\t\tif ( $( this.$user_list ).length <= 1 ) {\n\t\t\t$( this.$user_list ).find( 'a' ).trigger( 'click', this );\n\t\t}\n\t}\n\n\n\tprepare_login_panel_header() {\n\t\tvar greeting = (this.translations.greeting) ? this.translations.greeting : 'Welcome!',\n\t\t\tlogo = ( '' !== this.logo ) ? this.logo : 'img/antergos.png';\n\n\t\t$( '.welcome' ).text( greeting );\n\t\t$( '#hostname' ).append( lightdm.hostname );\n\t\t$('[data-greeter-config=\"logo\"]').attr('src', logo);\n\t}\n\n\n\tprepare_translations() {\n\t\tif ( ! this.translations.hasOwnProperty( this.lang ) ) {\n\t\t\tfor ( var lang of window.navigator.languages ) {\n\t\t\t\tif ( this.translations.hasOwnProperty( lang ) ) {\n\t\t\t\t\tthis.lang = lang;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif ( ! this.translations.hasOwnProperty( this.lang ) ) {\n\t\t\tthis.lang = 'en';\n\t\t}\n\n\t\tthis.translations = this.translations[ this.lang ];\n\t}\n\n\n\t/**\n\t * Replace '${i18n}' with translated string for all elements that\n\t * have the data-i18n attribute. This is for elements that are not generated\n\t * dynamically (they can be found in index.html).\n\t */\n\tdo_static_translations() {\n\t\t$( '[data-i18n]' ).each( function() {\n\t\t\tvar key = $( this ).attr( 'data-i18n' ),\n\t\t\t\thtml = $( this ).html(),\n\t\t\t\ttranslated = _self.translations[ key ],\n\t\t\t\tnew_html = html.replace( '${i18n}', translated );\n\n\t\t\t$( this ).html( new_html );\n\t\t} );\n\t}\n\n\n\t/**\n\t * Start the authentication process for the selected user.\n\t *\n\t * @param {object} event - jQuery.Event object from 'click' event.\n\t */\n\tstart_authentication( event ) {\n\t\tvar user_id = $( this ).attr( 'id' ),\n\t\t\tselector = `.${user_id}`,\n\t\t\tuser_session = _self.cache_get( 'user', user_id, 'session' );\n\n\t\tif ( _self.auth_pending || null !== _self.selected_user ) {\n\t\t\tlightdm.cancel_authentication();\n\t\t\t_self.log( `Authentication cancelled for ${_self.selected_user}` );\n\t\t\t_self.selected_user = null;\n\t\t}\n\n\t\t_self.log( `Starting authentication for ${user_id}.` );\n\t\t_self.selected_user = user_id;\n\n\t\t// CSS hack to workaround webkit bug\n\t\tif ( $( _self.$user_list ).children().length > 3 ) {\n\t\t\t$( _self.$user_list ).css( 'column-count', 'initial' ).parent().css( 'max-width', '50%' );\n\t\t}\n\t\t$( selector ).addClass( 'hovered' ).siblings().hide();\n\t\t$( '.fa-toggle-down' ).hide();\n\n\t\t_self.log( `Session for ${user_id} is ${user_session}` );\n\n\t\t$( `[data-session-id=\"${user_session}\"]` ).parent().trigger( 'click', this );\n\n\t\t$( '#session-list' ).removeClass( 'hidden' ).show();\n\t\t$( '#passwordArea' ).show();\n\t\t$( '.dropdown-toggle' ).dropdown();\n\n\t\t_self.auth_pending = true;\n\n\t\tlightdm.authenticate( user_id );\n\t}\n\n\n\t/**\n\t * Cancel the pending authentication.\n\t *\n\t * @param {object} event - jQuery.Event object from 'click' event.\n\t */\n\tcancel_authentication( event ) {\n\t\tvar selectors = [ '#statusArea', '#timerArea', '#passwordArea', '#session-list' ];\n\n\t\tfor ( var selector of selectors ) {\n\t\t\t$( selector ).hide();\n\t\t}\n\n\t\tlightdm.cancel_authentication();\n\n\t\t_self.log( 'Cancelled authentication.' );\n\n\t\t// CSS hack to work-around webkit bug\n\t\tif ( $( _self.$user_list ).children().length > 3 ) {\n\t\t\t$( _self.$user_list ).css( 'column-count', '2' ).parent().css( 'max-width', '85%' );\n\t\t}\n\n\t\t$( '.hovered' ).removeClass( 'hovered' ).siblings().show();\n\t\t$( '.fa-toggle-down' ).show();\n\n\t\t_self.selected_user = null;\n\t\t_self.auth_pending = false;\n\n\t}\n\n\n\t/**\n\t * Called when the user attempts to authenticate (inputs password).\n\t * We check to see if the user successfully authenticated and if so tell the LDM\n\t * Greeter to log them in with the session they selected.\n\t */\n\tauthentication_complete() {\n\t\tvar selected_session = $( '.selected' ).attr( 'data-session-id' ),\n\t\t\terr_msg = _self.translations.auth_failed[ _self.lang ];\n\n\t\t_self.auth_pending = false;\n\t\t_self.cache_set( selected_session, 'user', lightdm.authentication_user, 'session' );\n\n\t\t$( '#timerArea' ).hide();\n\n\t\tif ( lightdm.is_authenticated ) {\n\t\t\t// The user entered the correct password. Let's log them in.\n\t\t\t$('body').fadeOut(1000);\n\t\t\tlightdm.login( lightdm.authentication_user, selected_session );\n\t\t} else {\n\t\t\t// The user did not enter the correct password. Show error message.\n\t\t\t$( '#statusArea' ).show();\n\t\t}\n\t}\n\n\tsubmit_password( event ) {\n\t\tlightdm.respond( $( '#passwordField' ).val() );\n\t\t$( '#passwordArea' ).hide();\n\t\t$( '#timerArea' ).show();\n\t}\n\n\tsession_toggle_handler( event ) {\n\t\tvar $session = $( this ).children( 'a' ),\n\t\t\tsession_name = $session.text(),\n\t\t\tsession_key = $session.attr( 'data-session-id' );\n\n\t\t$session.parents( '.btn-group' ).find( '.selected' ).attr( 'data-session-id', session_key ).html( session_name );\n\t}\n\n\tkey_press_handler( event ) {\n\t\tvar action;\n\t\tswitch ( event.which ) {\n\t\t\tcase 13:\n\t\t\t\taction = _self.auth_pending ? _self.submit_password() : ! _self.user_list_visible ? _self.show_user_list() : 0;\n\t\t\t\t_self.log( action );\n\t\t\t\tbreak;\n\t\t\tcase 27:\n\t\t\t\taction = _self.auth_pending ? _self.cancel_authentication() : 0;\n\t\t\t\t_self.log( action );\n\t\t\t\tbreak;\n\t\t\tcase 32:\n\t\t\t\taction = (! _self.user_list_visible && ! _self.auth_pending) ? _self.show_user_list() : 0;\n\t\t\t\t_self.log( action );\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t}\n\t}\n\n\tsystem_action_handler() {\n\t\tvar action = $( this ).attr( 'id' ),\n\t\t\t$modal = $( '.modal' );\n\n\t\t$modal.find( '.btn-primary' ).text( _self.translations[ action ] ).click( action, ( event ) => {\n\t\t\t$( this ).off( 'click' );\n\t\t\tlightdm[ event.data ]();\n\t\t} );\n\t\t$modal.find( '.btn-default' ).click( () => {\n\t\t\t$( this ).next().off( 'click' );\n\t\t} );\n\n\t\t$modal.modal('toggle');\n\t}\n\n\n\tuser_list_collapse_handler() {\n\t\t_self.user_list_visible = _self.$user_list.hasClass( 'in' ) ? true : false;\n\t}\n\n\n\tuser_image_error_handler( event ) {\n\t\t$(this).off('error.antergos');\n\t\t$(this).attr('src', _self.tux);\n\t}\n\n\n\t/**\n\t * LightDM Callback - Show password prompt to user.\n\t *\n\t * @param text\n\t * @param type\n\t */\n\tshow_prompt( text, type ) {\n\t\tif ( 'password' === type ) {\n\t\t\t$( '#passwordField' ).val( \"\" );\n\t\t\t$( '#passwordArea' ).show();\n\t\t\t$( '#passwordField' ).focus();\n\t\t}\n\t}\n\n\t/**\n\t * LightDM Callback - Show message to user.\n\t *\n\t * @param text\n\t */\n\tshow_message( text, type ) {\n\t\tif ( text.length > 0 ) {\n\t\t\t$( this.$msg_area ).html( text );\n\t\t\t$( '#passwordArea' ).hide();\n\t\t\t$( this.$msg_area_container ).show();\n\t\t}\n\t}\n}\n\n\n/**\n * Initialize the theme once the window has loaded.\n */\n$( window ).load( () => {\n\t_self = new AntergosTheme();\n} );\n\n"]}
\ No newline at end of file
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*\n * Copyright © 2015-2016 Antergos\n *\n * greeter.js\n *\n * This file is part of lightdm-webkit-theme-antergos\n *\n * lightdm-webkit-theme-antergos is free software: you can redistribute it and/or modify\n * it under the terms of the GNU General Public License as published by\n * the Free Software Foundation, either version 3 of the License,\n * or any later version.\n *\n * lightdm-webkit-theme-antergos is distributed in the hope that it will be useful,\n * but WITHOUT ANY WARRANTY; without even the implied warranty of\n * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n * GNU General Public License for more details.\n *\n * The following additional terms are in effect as per Section 7 of this license:\n *\n * The preservation of all legal notices and author attributions in\n * the material or in the Appropriate Legal Notices displayed\n * by works containing it is required.\n *\n * You should have received a copy of the GNU General Public License\n * along with this program.  If not, see <http://www.gnu.org/licenses/>.\n */\n\n\n/**\n * This is used to access our classes from within jQuery callbacks.\n */\nvar _self = null,\n\t_bg_self = null,\n\t_util = null;\n\n\n/**\n * Capitalize a string.\n *\n * @returns {string}\n */\nString.prototype.capitalize = function() {\n\treturn this.charAt( 0 ).toUpperCase() + this.slice( 1 );\n};\n\n\n\n\n\n\n/**\n * This is the base class for the theme's components.\n */\nclass AntergosThemeUtils {\n\n\tconstructor() {\n\t\tif ( null !== _util ) {\n\t\t\treturn _util;\n\t\t}\n\t\t_util = this;\n\n\t\tthis.debug = true;\n\t\tthis.lang = window.navigator.language.split( '-' )[ 0 ].toLowerCase();\n\t\tthis.translations = window.ant_translations;\n\n\t\tif ( 'undefined' === typeof window.navigator.languages ) {\n\t\t\twindow.navigator.languages = [ window.navigator.language ];\n\t\t}\n\n\t\tthis.init_config_values();\n\t}\n\n\n\t/**\n\t * Add text to the debug log element (accessible from the login screen).\n\t *\n\t * @param {string} text - To be added to the log.\n\t */\n\tlog( text ) {\n\t\tif ( true === this.debug ) {\n\t\t\tconsole.log( text );\n\t\t}\n\t\t$( '#logArea' ).append( `${text}<br/>` );\n\t}\n\n\n\t/**\n\t * Get a key's value from localStorage. Keys can have two or more parts.\n\t * For example: \"ant:user:john:session\".\n\t *\n\t * @param {...string} key_parts - Strings that are combined to form the key.\n\t */\n\tcache_get() {\n\t\tvar key = `ant`;\n\n\t\tfor (var _len = arguments.length, key_parts = new Array(_len), _key = 0; _key < _len; _key++) {\n\t\t\tkey_parts[_key] = arguments[_key];\n\t\t}\n\n\t\tfor ( var part of key_parts ) {\n\t\t\tkey += `:${part}`;\n\t\t}\n\t\treturn localStorage.getItem( key );\n\t}\n\n\n\t/**\n\t * Set a key's value in localStorage. Keys can have two or more parts.\n\t * For example: \"ant:user:john:session\".\n\t *\n\t * @param {string} value - The value to set.\n\t * @param {...string} key_parts - Strings that are combined to form the key.\n\t */\n\tcache_set( value ) {\n\t\tvar key = `ant`;\n\n\t\tfor (var _len2 = arguments.length, key_parts = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {\n\t\t\tkey_parts[_key2 - 1] = arguments[_key2];\n\t\t}\n\n\t\tfor ( var part of key_parts ) {\n\t\t\tkey += `:${part}`;\n\t\t}\n\t\treturn localStorage.setItem( key, value );\n\t}\n\n\n\t/**\n\t * Get some values from `lightdm-webkit2-greeter.conf` and save them for later.\n\t */\n\tinit_config_values() {\n\t\tvar logo = '', user_image = '', background_images = [], background_images_dir = '';\n\n\t\tif ( 'undefined' !== typeof config ) {\n\n\t\t\tlogo = config.get_str( 'branding', 'logo' ) || '';\n\t\t\tuser_image = config.get_str( 'branding', 'user_image' ) || '';\n\n\n\t\t\tbackground_images_dir = config.get_str( 'branding', 'background_images' ) || '';\n\t\t\tif ( background_images_dir ) {\n\t\t\t\tbackground_images = greeterutil.dirlist( background_images_dir ) || [];\n\t\t\t}\n\n\t\t\tif ( background_images && background_images.length ) {\n\t\t\t\tvar images = [];\n\t\t\t\tfor ( var file of background_images ) {\n\t\t\t\t\tif ( file.match( /(png|PNG)|(jpg|JPEG)|(bmp|BMP)/ ) ) {\n\t\t\t\t\t\timages.push( file );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\tbackground_images = images;\n\t\t\t}\n\n\t\t}\n\n\t\tthis.logo = logo;\n\t\tthis.user_image = user_image;\n\t\tthis.background_images = background_images;\n\t\tthis.background_images_dir = background_images_dir;\n\t}\n}\n\n\n\n\n\n\n/**\n * This class handles the theme's background switcher.\n */\nclass AntergosBackgroundManager {\n\n\tconstructor() {\n\t\tif ( null !== _bg_self ) {\n\t\t\treturn _bg_self;\n\t\t}\n\n\t\t_bg_self = this;\n\n\t\tthis.current_background = _util.cache_get( 'background_manager', 'current_background' );\n\n\t\tif ( ! _util.background_images_dir.length || ! _util.background_images.length ) {\n\t\t\tthis.log( 'AntergosBackgroundManager: [ERROR] No background images detected.' );\n\n\t\t\t$( '.header' ).fadeTo( 300, 0.5, function() {\n\t\t\t\t$( '.header' ).css( \"background\", '#000000' );\n\t\t\t} ).fadeTo( 300, 1 );\n\n\t\t}\n\n\t\treturn _bg_self;\n\t}\n\n\n\tinitialize() {\n\t\tif ( ! this.current_background ) {\n\t\t\t// For backwards compatibility\n\t\t\tif ( null !== localStorage.getItem( 'bgsaved' ) && '0' === localStorage.getItem( 'bgrandom' ) ) {\n\t\t\t\tthis.current_background = localStorage.getItem( 'bgsaved' );\n\t\t\t\t_util.cache_set( this.current_background, 'background_manager', 'current_background' );\n\t\t\t\tlocalStorage.removeItem( 'bgrandom' );\n\t\t\t\tlocalStorage.removeItem( 'bgsaved' );\n\t\t\t} else {\n\t\t\t\tif ( '0' === localStorage.getItem( 'bgrandom' ) ) {\n\t\t\t\t\tthis.current_background = this.get_random_image();\n\t\t\t\t\t_util.cache_set( 'true', 'background_manager', 'random_background' );\n\t\t\t\t\tlocalStorage.removeItem( 'bgrandom' );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif ( ! this.current_background ) {\n\t\t\t// For current and future versions\n\t\t\tlet current_background = _util.cache_get( 'background_manager', 'current_background' ),\n\t\t\t\trandom_background = _util.cache_get( 'background_manager', 'random_background' );\n\n\t\t\tif ( 'true' === random_background || ! current_background ) {\n\t\t\t\tcurrent_background = this.get_random_image();\n\t\t\t\t_util.cache_set( 'true', 'background_manager', 'random_background' );\n\t\t\t}\n\n\t\t\tthis.current_background = current_background;\n\t\t\t_util.cache_set( this.current_background, 'background_manager', 'current_background' );\n\t\t}\n\n\t\tthis.do_background();\n\t}\n\n\n\tdo_background() {\n\t\t\t$( '.header' ).fadeTo( 300, 0.5, function() {\n\t\t\t\tvar tpl = `url(${_bg_self.current_background})`;\n\t\t\t\t$( '.header' ).css( \"background-image\", tpl );\n\t\t\t} ).fadeTo( 300, 1 );\n\t}\n\n\n\tget_random_image() {\n\t\tvar random_bg;\n\n\t\trandom_bg = Math.floor( Math.random() * _util.background_images.length );\n\n\t\treturn _util.background_images[ random_bg ];\n\t}\n\n\tsetup_background_thumbnails() {\n\t\tif ( _util.background_images.length ) {\n\t\t\t$('[data-img=\"random\"]').click(this.background_selected_handler);\n\n\t\t\tfor ( var image_file of _util.background_images ) {\n\t\t\t\tvar $link = $( '<a href=\"#\"><img>' ),\n\t\t\t\t\t$img_el = $link.children( 'img' ),\n\t\t\t\t\ttpl = `file://${image_file}`;\n\n\t\t\t\t$link.addClass( 'bg clearfix' ).attr( 'data-img', tpl );\n\t\t\t\t$img_el.attr( 'src', tpl );\n\n\t\t\t\t$link.appendTo( $( '.bgs' ) ).click( this.background_selected_handler );\n\t\t\t}\n\t\t}\n\t}\n\n\n\tbackground_selected_handler( event ) {\n\t\tvar img = $( this ).attr( 'data-img' );\n\n\t\tif ( 'random' === img ) {\n\t\t\t_util.cache_set( 'true', 'background_manager', 'random_background' );\n\t\t\timg = _bg_self.get_random_image();\n\t\t}\n\n\t\t_util.cache_set( img, 'background_manager', 'current_background' );\n\t\t_bg_self.current_background = img;\n\n\t\t_bg_self.do_background();\n\n\t}\n}\n\n\n\n\n\n/**\n * This is the theme's main class object. It contains almost all the theme's logic.\n */\nclass AntergosTheme {\n\n\tconstructor() {\n\t\tif ( null !== _self ) {\n\t\t\treturn _self;\n\t\t}\n\t\t_self = this;\n\n\t\tthis.tux = 'img/antergos-logo-user.png';\n\t\tthis.user_list_visible = false;\n\t\tthis.auth_pending = false;\n\t\tthis.selected_user = null;\n\t\tthis.$user_list = $( '#user-list2' );\n\t\tthis.$session_list = $( '#sessions' );\n\t\tthis.$clock_container = $( '#collapseOne' );\n\t\tthis.$clock = $( \"#current_time\" );\n\t\tthis.$actions_container = $( \"#actionsArea\" );\n\t\tthis.$msg_area_container = $( '#statusArea' );\n\t\tthis.$msg_area = $( '#showMsg' );\n\n\t\tthis.background_manager = new AntergosBackgroundManager();\n\t\tthis.background_manager.initialize();\n\n\t\tthis.initialize();\n\n\t\treturn _self;\n\t}\n\n\tinitialize() {\n\t\tthis.prepare_translations();\n\t\tthis.do_static_translations();\n\t\tthis.initialize_clock();\n\t\tthis.prepare_login_panel_header();\n\t\tthis.prepare_user_list();\n\t\tthis.prepare_session_list();\n\t\tthis.prepare_system_action_buttons();\n\t\tthis.register_callbacks();\n\t\tthis.background_manager.setup_background_thumbnails();\n\t}\n\n\n\t/**\n\t * Register callbacks for the LDM Greeter as well as any others that haven't been registered\n\t * elsewhere.\n\t */\n\tregister_callbacks() {\n\t\tvar events = 'shown.bs.collapse, hidden.bs.collapse';\n\n\t\tthis.$user_list.parents( '.collapse' ).on( events, this.user_list_collapse_handler );\n\t\t$( document ).keydown( this.key_press_handler );\n\t\t$( '.cancel_auth' ).click( this.cancel_authentication );\n\t\t$( '.submit_passwd' ).click( this.submit_password );\n\n\t\twindow.show_prompt = this.show_prompt;\n\t\twindow.show_message = this.show_message;\n\t\twindow.start_authentication = this.start_authentication;\n\t\twindow.cancel_authentication = this.cancel_authentication;\n\t\twindow.authentication_complete = this.authentication_complete;\n\t\twindow.autologin_timer_expired = this.cancel_authentication;\n\t}\n\n\t/**\n\t * Initialize the user list.\n\t */\n\tprepare_user_list() {\n\t\tvar template;\n\n\t\t// Loop through the array of LightDMUser objects to create our user list.\n\t\tfor ( var user of lightdm.users ) {\n\t\t\tvar last_session = _util.cache_get( 'user', user.name, 'session' ),\n\t\t\t\timage_src = user.image.length ? user.image : _util.user_image;\n\n\t\t\tif ( null === last_session ) {\n\t\t\t\t// For backwards compatibility\n\t\t\t\tlast_session = localStorage.getItem( user.name );\n\t\t\t\tif ( null === last_session ) {\n\t\t\t\t\t// This user has never logged in before let's enable the system's default\n\t\t\t\t\t// session.\n\t\t\t\t\tlast_session = lightdm.default_session;\n\t\t\t\t}\n\t\t\t\t_util.cache_set( last_session, 'user', user.name, 'session' );\n\t\t\t}\n\n\t\t\t_util.log( `Last session for ${user.name} was: ${last_session}` );\n\n\t\t\ttemplate = `\n\t\t\t\t<a href=\"#\" id=\"${user.name}\" class=\"list-group-item ${user.name}\" data-session=\"${last_session}\">\n\t\t\t\t\t<img src=\"${image_src}\" class=\"img-circle\" alt=\"${user.display_name}\" />\n\t\t\t\t\t<span>${user.display_name}</span>\n\t\t\t\t\t<span class=\"badge\"><i class=\"fa fa-check\"></i></span>\n\t\t\t\t</a>`;\n\n\t\t\t// Register event handler here so we don't have to iterate over the users again later.\n\t\t\t$( template ).appendTo( this.$user_list ).click( this.start_authentication ).on( 'error.antergos', this.user_image_error_handler );\n\n\t\t} // END for ( var user of lightdm.users )\n\n\t\tif ( $( this.$user_list ).children().length > 3 ) {\n\t\t\t// Make the user list two columns instead of one.\n\t\t\t$( this.$user_list ).css( 'column-count', '2' ).parent().css( 'max-width', '85%' );\n\t\t}\n\n\t}\n\n\t/**\n\t * Initialize the session selection dropdown.\n\t */\n\tprepare_session_list() {\n\t\t// Loop through the array of LightDMSession objects to create our session list.\n\t\tfor ( var session of lightdm.sessions ) {\n\t\t\tvar css_class = session.name.replace( / /g, '' ),\n\t\t\t\ttemplate;\n\n\t\t\t_util.log( `Adding ${session.name} to the session list...` );\n\n\t\t\ttemplate = `\n\t\t\t\t<li>\n\t\t\t\t\t<a href=\"#\" data-session-id=\"${session.key}\" class=\"${css_class}\">${session.name}</a>\n\t\t\t\t</li>`;\n\n\t\t\t$( template ).appendTo( this.$session_list ).click( this.session_toggle_handler );\n\n\t\t} // END for (var session of lightdm.sessions)\n\n\t\t$( '.dropdown-toggle' ).dropdown();\n\t}\n\n\t/**\n\t * Initialize the system action buttons\n\t */\n\tprepare_system_action_buttons() {\n\t\tvar actions = {\n\t\t\t\tshutdown: \"power-off\",\n\t\t\t\thibernate: \"asterisk\",\n\t\t\t\tsuspend: \"arrow-down\",\n\t\t\t\trestart: \"refresh\"\n\t\t\t},\n\t\t\ttemplate;\n\n\t\tfor ( var action of Object.keys( actions ) ) {\n\t\t\tvar cmd = `can_${action}`;\n\n\t\t\ttemplate = `\n\t\t\t\t<a href=\"#\" id=\"${action}\" class=\"btn btn-default ${action}\" data-toggle=\"tooltip\" data-placement=\"top\" title=\"${action.capitalize()}\" data-container=\"body\">\n\t\t\t\t\t<i class=\"fa fa-${actions[ action ]}\"></i>\n\t\t\t\t</a>`;\n\n\t\t\tif ( lightdm[ cmd ] ) {\n\t\t\t\t$( template ).appendTo( $( this.$actions_container ) ).click( this.system_action_handler );\n\t\t\t}\n\t\t} // END for (var [action, icon] of actions)\n\n\t\t$( '[data-toggle=tooltip]' ).tooltip();\n\t\t$( '.modal' ).modal( { show: false } );\n\t}\n\n\tinitialize_clock() {\n\t\tvar saved_format = _util.cache_get( 'clock', 'time_format' ),\n\t\t\tformat = (null !== saved_format) ? saved_format : 'LT';\n\n\t\tmoment.locale( window.navigator.languages );\n\t\tthis.$clock.html( moment().format( format ) );\n\n\t\tsetInterval( () => {\n\t\t\t_self.$clock.html( moment().format( format ) );\n\t\t}, 60000 );\n\t}\n\n\n\t/**\n\t * Show the user list if its not already shown. This is used to allow the user to\n\t * display the user list by pressing Enter or Spacebar.\n\t */\n\tshow_user_list() {\n\t\tif ( $( this.$clock_container ).hasClass( 'in' ) ) {\n\t\t\t$( '#trigger' ).trigger( 'click' );\n\t\t}\n\t\tif ( $( this.$user_list ).length <= 1 ) {\n\t\t\t$( this.$user_list ).find( 'a' ).trigger( 'click', this );\n\t\t}\n\t}\n\n\n\tprepare_login_panel_header() {\n\t\tvar greeting = (_util.translations.greeting) ? _util.translations.greeting : 'Welcome!',\n\t\t\tlogo = ( '' !== _util.logo ) ? _util.logo : 'img/antergos.png';\n\n\t\t$( '.welcome' ).text( greeting );\n\t\t$( '#hostname' ).append( lightdm.hostname );\n\t\t$( '[data-greeter-config=\"logo\"]' ).attr( 'src', logo );\n\t}\n\n\n\tprepare_translations() {\n\t\tif ( ! _util.translations.hasOwnProperty( this.lang ) ) {\n\t\t\tfor ( var lang of window.navigator.languages ) {\n\t\t\t\tif ( _util.translations.hasOwnProperty( lang ) ) {\n\t\t\t\t\tthis.lang = lang;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif ( ! _util.translations.hasOwnProperty( this.lang ) ) {\n\t\t\tthis.lang = 'en';\n\t\t}\n\n\t\t_util.translations = _util.translations[ this.lang ];\n\t}\n\n\n\t/**\n\t * Replace '${i18n}' with translated string for all elements that\n\t * have the data-i18n attribute. This is for elements that are not generated\n\t * dynamically (they can be found in index.html).\n\t */\n\tdo_static_translations() {\n\t\t$( '[data-i18n]' ).each( function() {\n\t\t\tvar key = $( this ).attr( 'data-i18n' ),\n\t\t\t\thtml = $( this ).html(),\n\t\t\t\ttranslated = _util.translations[ key ],\n\t\t\t\tnew_html = html.replace( '${i18n}', translated );\n\n\t\t\t$( this ).html( new_html );\n\t\t} );\n\t}\n\n\n\t/**\n\t * Start the authentication process for the selected user.\n\t *\n\t * @param {object} event - jQuery.Event object from 'click' event.\n\t */\n\tstart_authentication( event ) {\n\t\tvar user_id = $( this ).attr( 'id' ),\n\t\t\tselector = `.${user_id}`,\n\t\t\tuser_session = _util.cache_get( 'user', user_id, 'session' );\n\n\t\tif ( _self.auth_pending || null !== _self.selected_user ) {\n\t\t\tlightdm.cancel_authentication();\n\t\t\t_util.log( `Authentication cancelled for ${_self.selected_user}` );\n\t\t\t_self.selected_user = null;\n\t\t}\n\n\t\t_util.log( `Starting authentication for ${user_id}.` );\n\t\t_self.selected_user = user_id;\n\n\t\t// CSS hack to workaround webkit bug\n\t\tif ( $( _self.$user_list ).children().length > 3 ) {\n\t\t\t$( _self.$user_list ).css( 'column-count', 'initial' ).parent().css( 'max-width', '50%' );\n\t\t}\n\t\t$( selector ).addClass( 'hovered' ).siblings().hide();\n\t\t$( '.fa-toggle-down' ).hide();\n\n\t\t_util.log( `Session for ${user_id} is ${user_session}` );\n\n\t\t$( `[data-session-id=\"${user_session}\"]` ).parent().trigger( 'click', this );\n\n\t\t$( '#session-list' ).removeClass( 'hidden' ).show();\n\t\t$( '#passwordArea' ).show();\n\t\t$( '.dropdown-toggle' ).dropdown();\n\n\t\t_self.auth_pending = true;\n\n\t\tlightdm.authenticate( user_id );\n\t}\n\n\n\t/**\n\t * Cancel the pending authentication.\n\t *\n\t * @param {object} event - jQuery.Event object from 'click' event.\n\t */\n\tcancel_authentication( event ) {\n\t\tvar selectors = [ '#statusArea', '#timerArea', '#passwordArea', '#session-list' ];\n\n\t\tfor ( var selector of selectors ) {\n\t\t\t$( selector ).hide();\n\t\t}\n\n\t\tlightdm.cancel_authentication();\n\n\t\t_util.log( 'Cancelled authentication.' );\n\n\t\t// CSS hack to work-around webkit bug\n\t\tif ( $( _self.$user_list ).children().length > 3 ) {\n\t\t\t$( _self.$user_list ).css( 'column-count', '2' ).parent().css( 'max-width', '85%' );\n\t\t}\n\n\t\t$( '.hovered' ).removeClass( 'hovered' ).siblings().show();\n\t\t$( '.fa-toggle-down' ).show();\n\n\t\t_self.selected_user = null;\n\t\t_self.auth_pending = false;\n\n\t}\n\n\n\t/**\n\t * Called when the user attempts to authenticate (inputs password).\n\t * We check to see if the user successfully authenticated and if so tell the LDM\n\t * Greeter to log them in with the session they selected.\n\t */\n\tauthentication_complete() {\n\t\tvar selected_session = $( '.selected' ).attr( 'data-session-id' ),\n\t\t\terr_msg = _util.translations.auth_failed[ _self.lang ];\n\n\t\t_self.auth_pending = false;\n\t\t_util.cache_set( selected_session, 'user', lightdm.authentication_user, 'session' );\n\n\t\t$( '#timerArea' ).hide();\n\n\t\tif ( lightdm.is_authenticated ) {\n\t\t\t// The user entered the correct password. Let's log them in.\n\t\t\t$( 'body' ).fadeOut( 1000, () => {\n\t\t\t\tlightdm.login( lightdm.authentication_user, selected_session );\n\t\t\t} );\n\t\t} else {\n\t\t\t// The user did not enter the correct password. Show error message.\n\t\t\t$( '#statusArea' ).show();\n\t\t}\n\t}\n\n\tsubmit_password( event ) {\n\t\tlightdm.respond( $( '#passwordField' ).val() );\n\t\t$( '#passwordArea' ).hide();\n\t\t$( '#timerArea' ).show();\n\t}\n\n\tsession_toggle_handler( event ) {\n\t\tvar $session = $( this ).children( 'a' ),\n\t\t\tsession_name = $session.text(),\n\t\t\tsession_key = $session.attr( 'data-session-id' );\n\n\t\t$session.parents( '.btn-group' ).find( '.selected' ).attr( 'data-session-id', session_key ).html( session_name );\n\t}\n\n\tkey_press_handler( event ) {\n\t\tvar action;\n\t\tswitch ( event.which ) {\n\t\t\tcase 13:\n\t\t\t\taction = _self.auth_pending ? _self.submit_password() : ! _self.user_list_visible ? _self.show_user_list() : 0;\n\t\t\t\t_self.log( action );\n\t\t\t\tbreak;\n\t\t\tcase 27:\n\t\t\t\taction = _self.auth_pending ? _self.cancel_authentication() : 0;\n\t\t\t\t_self.log( action );\n\t\t\t\tbreak;\n\t\t\tcase 32:\n\t\t\t\taction = (! _self.user_list_visible && ! _self.auth_pending) ? _self.show_user_list() : 0;\n\t\t\t\t_self.log( action );\n\t\t\t\tbreak;\n\t\t\tdefault:\n\t\t\t\tbreak;\n\t\t}\n\t}\n\n\tsystem_action_handler() {\n\t\tvar action = $( this ).attr( 'id' ),\n\t\t\t$modal = $( '.modal' );\n\n\t\t$modal.find( '.btn-primary' ).text( _util.translations[ action ] ).click( action, ( event ) => {\n\t\t\t$( this ).off( 'click' );\n\t\t\tlightdm[ event.data ]();\n\t\t} );\n\t\t$modal.find( '.btn-default' ).click( () => {\n\t\t\t$( this ).next().off( 'click' );\n\t\t} );\n\n\t\t$modal.modal( 'toggle' );\n\t}\n\n\n\tuser_list_collapse_handler() {\n\t\t_self.user_list_visible = _self.$user_list.hasClass( 'in' ) ? true : false;\n\t}\n\n\n\tuser_image_error_handler( event ) {\n\t\t$( this ).off( 'error.antergos' );\n\t\t$( this ).attr( 'src', _self.tux );\n\t}\n\n\n\t/**\n\t * LightDM Callback - Show password prompt to user.\n\t *\n\t * @param text\n\t * @param type\n\t */\n\tshow_prompt( text, type ) {\n\t\tif ( 'password' === type ) {\n\t\t\t$( '#passwordField' ).val( \"\" );\n\t\t\t$( '#passwordArea' ).show();\n\t\t\t$( '#passwordField' ).focus();\n\t\t}\n\t}\n\n\t/**\n\t * LightDM Callback - Show message to user.\n\t *\n\t * @param text\n\t */\n\tshow_message( text, type ) {\n\t\tif ( text.length > 0 ) {\n\t\t\t$( this.$msg_area ).html( text );\n\t\t\t$( '#passwordArea' ).hide();\n\t\t\t$( this.$msg_area_container ).show();\n\t\t}\n\t}\n}\n\n\n/**\n * Initialize the theme once the window has loaded.\n */\n$( window ).load( () => {\n\tnew AntergosThemeUtils();\n\tnew AntergosTheme();\n} );\n\n"]}
\ No newline at end of file
diff --git a/themes/antergos/js/greeter.js b/themes/antergos/js/greeter.js
index fbc2bb0..72125e5 100644
--- a/themes/antergos/js/greeter.js
+++ b/themes/antergos/js/greeter.js
@@ -31,7 +31,8 @@
  * This is used to access our classes from within jQuery callbacks.
  */
 var _self = null,
-	_bg_self = null;
+	_bg_self = null,
+	_util = null;
 
 
 /**
@@ -51,9 +52,14 @@ String.prototype.capitalize = function() {
 /**
  * This is the base class for the theme's components.
  */
-class GreeterThemeComponent {
+class AntergosThemeUtils {
 
 	constructor() {
+		if ( null !== _util ) {
+			return _util;
+		}
+		_util = this;
+
 		this.debug = true;
 		this.lang = window.navigator.language.split( '-' )[ 0 ].toLowerCase();
 		this.translations = window.ant_translations;
@@ -85,9 +91,13 @@ class GreeterThemeComponent {
 	 *
 	 * @param {...string} key_parts - Strings that are combined to form the key.
 	 */
-	cache_get( ...key_parts ) {
+	cache_get() {
 		var key = `ant`;
 
+		for (var _len = arguments.length, key_parts = new Array(_len), _key = 0; _key < _len; _key++) {
+			key_parts[_key] = arguments[_key];
+		}
+
 		for ( var part of key_parts ) {
 			key += `:${part}`;
 		}
@@ -102,9 +112,13 @@ class GreeterThemeComponent {
 	 * @param {string} value - The value to set.
 	 * @param {...string} key_parts - Strings that are combined to form the key.
 	 */
-	cache_set( value, ...key_parts ) {
+	cache_set( value ) {
 		var key = `ant`;
 
+		for (var _len2 = arguments.length, key_parts = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+			key_parts[_key2 - 1] = arguments[_key2];
+		}
+
 		for ( var part of key_parts ) {
 			key += `:${part}`;
 		}
@@ -119,26 +133,26 @@ class GreeterThemeComponent {
 		var logo = '', user_image = '', background_images = [], background_images_dir = '';
 
 		if ( 'undefined' !== typeof config ) {
-			if ( this instanceof AntergosTheme ) {
-				logo = config.get_str( 'branding', 'logo' ) || '';
-				user_image = config.get_str( 'branding', 'user_image' ) || '';
-
-			} else if ( this instanceof AntergosBackgroundManager ) {
-				background_images_dir = config.get_str( 'branding', 'background_images' ) || '';
-				if (background_images_dir) {
-					background_images = greeterutil.dirlist(background_images_dir) || [];
-				}
 
-				if (background_images.length) {
-					let images = [];
-					for (var file of background_images) {
-						if (file.match(/(png|PNG)|(jpg|JPEG)|(bmp|BMP)/)) {
-							images.push(file);
-						}
+			logo = config.get_str( 'branding', 'logo' ) || '';
+			user_image = config.get_str( 'branding', 'user_image' ) || '';
+
+
+			background_images_dir = config.get_str( 'branding', 'background_images' ) || '';
+			if ( background_images_dir ) {
+				background_images = greeterutil.dirlist( background_images_dir ) || [];
+			}
+
+			if ( background_images && background_images.length ) {
+				var images = [];
+				for ( var file of background_images ) {
+					if ( file.match( /(png|PNG)|(jpg|JPEG)|(bmp|BMP)/ ) ) {
+						images.push( file );
 					}
-					background_images = images;
 				}
+				background_images = images;
 			}
+
 		}
 
 		this.logo = logo;
@@ -156,24 +170,26 @@ class GreeterThemeComponent {
 /**
  * This class handles the theme's background switcher.
  */
-class AntergosBackgroundManager extends GreeterThemeComponent {
+class AntergosBackgroundManager {
 
 	constructor() {
-		super();
-		if ( null === _bg_self ) {
-			_bg_self = this;
+		if ( null !== _bg_self ) {
+			return _bg_self;
 		}
 
-		this.current_background = this.cache_get( 'background_manager', 'current_background' );
+		_bg_self = this;
+
+		this.current_background = _util.cache_get( 'background_manager', 'current_background' );
 
-		if ( ! this.background_images_dir.length || ! this.background_images.length ) {
-			this.log('AntergosBackgroundManager: [ERROR] No background images detected.');
+		if ( ! _util.background_images_dir.length || ! _util.background_images.length ) {
+			this.log( 'AntergosBackgroundManager: [ERROR] No background images detected.' );
 
 			$( '.header' ).fadeTo( 300, 0.5, function() {
 				$( '.header' ).css( "background", '#000000' );
 			} ).fadeTo( 300, 1 );
 
 		}
+
 		return _bg_self;
 	}
 
@@ -183,28 +199,30 @@ class AntergosBackgroundManager extends GreeterThemeComponent {
 			// For backwards compatibility
 			if ( null !== localStorage.getItem( 'bgsaved' ) && '0' === localStorage.getItem( 'bgrandom' ) ) {
 				this.current_background = localStorage.getItem( 'bgsaved' );
-				this.cache_set( this.current_background, 'background_manager', 'current_background' );
+				_util.cache_set( this.current_background, 'background_manager', 'current_background' );
 				localStorage.removeItem( 'bgrandom' );
 				localStorage.removeItem( 'bgsaved' );
-			} else if ( '0' === localStorage.getItem( 'bgrandom' ) ) {
-				this.current_background = this.get_random_image();
-				this.cache_set( 'true', 'background_manager', 'random_background' );
-				localStorage.removeItem( 'bgrandom' );
+			} else {
+				if ( '0' === localStorage.getItem( 'bgrandom' ) ) {
+					this.current_background = this.get_random_image();
+					_util.cache_set( 'true', 'background_manager', 'random_background' );
+					localStorage.removeItem( 'bgrandom' );
+				}
 			}
 		}
 
 		if ( ! this.current_background ) {
 			// For current and future versions
-			let current_background = this.cache_get('background_manager', 'current_background' ),
-				random_background = this.cache_get('background_manager', 'random_background' );
+			let current_background = _util.cache_get( 'background_manager', 'current_background' ),
+				random_background = _util.cache_get( 'background_manager', 'random_background' );
 
 			if ( 'true' === random_background || ! current_background ) {
 				current_background = this.get_random_image();
-				this.cache_set( 'true', 'background_manager', 'random_background' );
+				_util.cache_set( 'true', 'background_manager', 'random_background' );
 			}
 
 			this.current_background = current_background;
-			this.cache_set( this.current_background, 'background_manager', 'current_background' );
+			_util.cache_set( this.current_background, 'background_manager', 'current_background' );
 		}
 
 		this.do_background();
@@ -212,48 +230,48 @@ class AntergosBackgroundManager extends GreeterThemeComponent {
 
 
 	do_background() {
-		if ('undefined' !== typeof this.current_background) {
 			$( '.header' ).fadeTo( 300, 0.5, function() {
-				var tpl = `url(${this.current_background})`;
-				$( '.header' ).css("background-image", tpl );
+				var tpl = `url(${_bg_self.current_background})`;
+				$( '.header' ).css( "background-image", tpl );
 			} ).fadeTo( 300, 1 );
-		}
 	}
 
 
 	get_random_image() {
 		var random_bg;
 
-		random_bg = Math.floor( Math.random() * this.background_images.length );
+		random_bg = Math.floor( Math.random() * _util.background_images.length );
 
-		return this.background_images[ random_bg ];
+		return _util.background_images[ random_bg ];
 	}
 
 	setup_background_thumbnails() {
-		if (this.background_images.length) {
-			for ( var image_file of this.background_images ) {
-				var $link = $('<a href="#"><img>'),
-					$img_el = $link.children('img'),
+		if ( _util.background_images.length ) {
+			$('[data-img="random"]').click(this.background_selected_handler);
+
+			for ( var image_file of _util.background_images ) {
+				var $link = $( '<a href="#"><img>' ),
+					$img_el = $link.children( 'img' ),
 					tpl = `file://${image_file}`;
 
-				$link.addClass('bg clearfix').attr('data-img', tpl);
-				$img_el.attr('src', tpl);
+				$link.addClass( 'bg clearfix' ).attr( 'data-img', tpl );
+				$img_el.attr( 'src', tpl );
 
-				$link.appendTo($('.bgs')).click( this.background_selected_handler );
+				$link.appendTo( $( '.bgs' ) ).click( this.background_selected_handler );
 			}
 		}
 	}
 
 
 	background_selected_handler( event ) {
-		var img = $(this).attr('data-img');
+		var img = $( this ).attr( 'data-img' );
 
-		if ('random' === img) {
-			_bg_self.cache_set('true', 'background_manager', 'random_background' );
+		if ( 'random' === img ) {
+			_util.cache_set( 'true', 'background_manager', 'random_background' );
 			img = _bg_self.get_random_image();
 		}
 
-		_bg_self.cache_set(img, 'background_manager', 'current_background' );
+		_util.cache_set( img, 'background_manager', 'current_background' );
 		_bg_self.current_background = img;
 
 		_bg_self.do_background();
@@ -268,13 +286,14 @@ class AntergosBackgroundManager extends GreeterThemeComponent {
 /**
  * This is the theme's main class object. It contains almost all the theme's logic.
  */
-class AntergosTheme extends GreeterThemeComponent {
+class AntergosTheme {
 
 	constructor() {
-		super();
-		if ( null === _self ) {
-			_self = this;
+		if ( null !== _self ) {
+			return _self;
 		}
+		_self = this;
+
 		this.tux = 'img/antergos-logo-user.png';
 		this.user_list_visible = false;
 		this.auth_pending = false;
@@ -286,9 +305,10 @@ class AntergosTheme extends GreeterThemeComponent {
 		this.$actions_container = $( "#actionsArea" );
 		this.$msg_area_container = $( '#statusArea' );
 		this.$msg_area = $( '#showMsg' );
-		this.background_manager = new AntergosBackgroundManager();
 
+		this.background_manager = new AntergosBackgroundManager();
 		this.background_manager.initialize();
+
 		this.initialize();
 
 		return _self;
@@ -302,7 +322,6 @@ class AntergosTheme extends GreeterThemeComponent {
 		this.prepare_user_list();
 		this.prepare_session_list();
 		this.prepare_system_action_buttons();
-		$( "#login" ).addClass( "in" );
 		this.register_callbacks();
 		this.background_manager.setup_background_thumbnails();
 	}
@@ -336,8 +355,8 @@ class AntergosTheme extends GreeterThemeComponent {
 
 		// Loop through the array of LightDMUser objects to create our user list.
 		for ( var user of lightdm.users ) {
-			var last_session = this.cache_get( 'user', user.name, 'session' ),
-				image_src = user.image.length ? user.image : this.user_image;
+			var last_session = _util.cache_get( 'user', user.name, 'session' ),
+				image_src = user.image.length ? user.image : _util.user_image;
 
 			if ( null === last_session ) {
 				// For backwards compatibility
@@ -347,10 +366,10 @@ class AntergosTheme extends GreeterThemeComponent {
 					// session.
 					last_session = lightdm.default_session;
 				}
-				this.cache_set( last_session, 'user', user.name, 'session' );
+				_util.cache_set( last_session, 'user', user.name, 'session' );
 			}
 
-			this.log( `Last session for ${user.name} was: ${last_session}` );
+			_util.log( `Last session for ${user.name} was: ${last_session}` );
 
 			template = `
 				<a href="#" id="${user.name}" class="list-group-item ${user.name}" data-session="${last_session}">
@@ -360,7 +379,7 @@ class AntergosTheme extends GreeterThemeComponent {
 				</a>`;
 
 			// Register event handler here so we don't have to iterate over the users again later.
-			$( template ).appendTo( this.$user_list ).click( this.start_authentication ).on('error.antergos', this.user_image_error_handler);
+			$( template ).appendTo( this.$user_list ).click( this.start_authentication ).on( 'error.antergos', this.user_image_error_handler );
 
 		} // END for ( var user of lightdm.users )
 
@@ -380,7 +399,7 @@ class AntergosTheme extends GreeterThemeComponent {
 			var css_class = session.name.replace( / /g, '' ),
 				template;
 
-			this.log( `Adding ${session.name} to the session list...` );
+			_util.log( `Adding ${session.name} to the session list...` );
 
 			template = `
 				<li>
@@ -420,11 +439,11 @@ class AntergosTheme extends GreeterThemeComponent {
 		} // END for (var [action, icon] of actions)
 
 		$( '[data-toggle=tooltip]' ).tooltip();
-		$('.modal').modal({show: false});
+		$( '.modal' ).modal( { show: false } );
 	}
 
 	initialize_clock() {
-		var saved_format = this.cache_get( 'clock', 'time_format' ),
+		var saved_format = _util.cache_get( 'clock', 'time_format' ),
 			format = (null !== saved_format) ? saved_format : 'LT';
 
 		moment.locale( window.navigator.languages );
@@ -451,29 +470,29 @@ class AntergosTheme extends GreeterThemeComponent {
 
 
 	prepare_login_panel_header() {
-		var greeting = (this.translations.greeting) ? this.translations.greeting : 'Welcome!',
-			logo = ( '' !== this.logo ) ? this.logo : 'img/antergos.png';
+		var greeting = (_util.translations.greeting) ? _util.translations.greeting : 'Welcome!',
+			logo = ( '' !== _util.logo ) ? _util.logo : 'img/antergos.png';
 
 		$( '.welcome' ).text( greeting );
 		$( '#hostname' ).append( lightdm.hostname );
-		$('[data-greeter-config="logo"]').attr('src', logo);
+		$( '[data-greeter-config="logo"]' ).attr( 'src', logo );
 	}
 
 
 	prepare_translations() {
-		if ( ! this.translations.hasOwnProperty( this.lang ) ) {
+		if ( ! _util.translations.hasOwnProperty( this.lang ) ) {
 			for ( var lang of window.navigator.languages ) {
-				if ( this.translations.hasOwnProperty( lang ) ) {
+				if ( _util.translations.hasOwnProperty( lang ) ) {
 					this.lang = lang;
 					break;
 				}
 			}
 		}
-		if ( ! this.translations.hasOwnProperty( this.lang ) ) {
+		if ( ! _util.translations.hasOwnProperty( this.lang ) ) {
 			this.lang = 'en';
 		}
 
-		this.translations = this.translations[ this.lang ];
+		_util.translations = _util.translations[ this.lang ];
 	}
 
 
@@ -486,7 +505,7 @@ class AntergosTheme extends GreeterThemeComponent {
 		$( '[data-i18n]' ).each( function() {
 			var key = $( this ).attr( 'data-i18n' ),
 				html = $( this ).html(),
-				translated = _self.translations[ key ],
+				translated = _util.translations[ key ],
 				new_html = html.replace( '${i18n}', translated );
 
 			$( this ).html( new_html );
@@ -502,15 +521,15 @@ class AntergosTheme extends GreeterThemeComponent {
 	start_authentication( event ) {
 		var user_id = $( this ).attr( 'id' ),
 			selector = `.${user_id}`,
-			user_session = _self.cache_get( 'user', user_id, 'session' );
+			user_session = _util.cache_get( 'user', user_id, 'session' );
 
 		if ( _self.auth_pending || null !== _self.selected_user ) {
 			lightdm.cancel_authentication();
-			_self.log( `Authentication cancelled for ${_self.selected_user}` );
+			_util.log( `Authentication cancelled for ${_self.selected_user}` );
 			_self.selected_user = null;
 		}
 
-		_self.log( `Starting authentication for ${user_id}.` );
+		_util.log( `Starting authentication for ${user_id}.` );
 		_self.selected_user = user_id;
 
 		// CSS hack to workaround webkit bug
@@ -520,7 +539,7 @@ class AntergosTheme extends GreeterThemeComponent {
 		$( selector ).addClass( 'hovered' ).siblings().hide();
 		$( '.fa-toggle-down' ).hide();
 
-		_self.log( `Session for ${user_id} is ${user_session}` );
+		_util.log( `Session for ${user_id} is ${user_session}` );
 
 		$( `[data-session-id="${user_session}"]` ).parent().trigger( 'click', this );
 
@@ -548,7 +567,7 @@ class AntergosTheme extends GreeterThemeComponent {
 
 		lightdm.cancel_authentication();
 
-		_self.log( 'Cancelled authentication.' );
+		_util.log( 'Cancelled authentication.' );
 
 		// CSS hack to work-around webkit bug
 		if ( $( _self.$user_list ).children().length > 3 ) {
@@ -571,17 +590,18 @@ class AntergosTheme extends GreeterThemeComponent {
 	 */
 	authentication_complete() {
 		var selected_session = $( '.selected' ).attr( 'data-session-id' ),
-			err_msg = _self.translations.auth_failed[ _self.lang ];
+			err_msg = _util.translations.auth_failed[ _self.lang ];
 
 		_self.auth_pending = false;
-		_self.cache_set( selected_session, 'user', lightdm.authentication_user, 'session' );
+		_util.cache_set( selected_session, 'user', lightdm.authentication_user, 'session' );
 
 		$( '#timerArea' ).hide();
 
 		if ( lightdm.is_authenticated ) {
 			// The user entered the correct password. Let's log them in.
-			$('body').fadeOut(1000);
-			lightdm.login( lightdm.authentication_user, selected_session );
+			$( 'body' ).fadeOut( 1000, () => {
+				lightdm.login( lightdm.authentication_user, selected_session );
+			} );
 		} else {
 			// The user did not enter the correct password. Show error message.
 			$( '#statusArea' ).show();
@@ -626,7 +646,7 @@ class AntergosTheme extends GreeterThemeComponent {
 		var action = $( this ).attr( 'id' ),
 			$modal = $( '.modal' );
 
-		$modal.find( '.btn-primary' ).text( _self.translations[ action ] ).click( action, ( event ) => {
+		$modal.find( '.btn-primary' ).text( _util.translations[ action ] ).click( action, ( event ) => {
 			$( this ).off( 'click' );
 			lightdm[ event.data ]();
 		} );
@@ -634,7 +654,7 @@ class AntergosTheme extends GreeterThemeComponent {
 			$( this ).next().off( 'click' );
 		} );
 
-		$modal.modal('toggle');
+		$modal.modal( 'toggle' );
 	}
 
 
@@ -644,8 +664,8 @@ class AntergosTheme extends GreeterThemeComponent {
 
 
 	user_image_error_handler( event ) {
-		$(this).off('error.antergos');
-		$(this).attr('src', _self.tux);
+		$( this ).off( 'error.antergos' );
+		$( this ).attr( 'src', _self.tux );
 	}
 
 
@@ -682,6 +702,7 @@ class AntergosTheme extends GreeterThemeComponent {
  * Initialize the theme once the window has loaded.
  */
 $( window ).load( () => {
-	_self = new AntergosTheme();
+	new AntergosThemeUtils();
+	new AntergosTheme();
 } );