fix jshint and code clean up

Author: artemgrygor

js/directives/updateBackground.js

@@ -1,67 +1,67 @@
 define(
 [
-  'jQuery',
-  'underscore',
-  'color-thief'
+    'jQuery',
+    'underscore',
+    'color-thief'
 ],
 function($, _, ColorThief) { 'use strict';
 
 var myUpdateBackgroundFactory = function(appSettings, $http) {
-  var thief = new ColorThief();
+    var thief = new ColorThief();
 
-  var updateThumbnail = function(element, backgrounds){
+    var updateThumbnail = function(element, backgrounds){
 
-    var color = null;
-    try {
-        color = thief.getColor(element.get(0));
-    } catch(e) {}
+        var color = null;
+        try {
+            color = thief.getColor(element.get(0));
+        } catch(e) {}
 
-    backgrounds.push(color ? 'rgb(' + color.join(',') + ')' : 'white');
+        backgrounds.push(color ? 'rgb(' + color.join(',') + ')' : 'white');
 
-    var thumbnail = $('.thumbnail-loading', element.parent().parent().parent());
-    thumbnail
-      .removeClass('thumbnail-loading')
-      .addClass('thumbnail')
-      .css('background', backgrounds.join(', '));
-  };
+        var thumbnail = $('.thumbnail-loading', element.parent().parent().parent());
+        thumbnail
+          .removeClass('thumbnail-loading')
+          .addClass('thumbnail')
+          .css('background', backgrounds.join(', '));
+    };
 
-  return function(scope, element, attrs) {
-    scope.$watch(attrs.dLoad, function(value) {
-      element.on('load', function() {
+    return function(scope, element, attrs) {
+        scope.$watch(attrs.dLoad, function(value) {
+            element.on('load', function() {
 
-        var backgrounds = [];
-        if (appSettings.showThumbnails) {
+                var backgrounds = [];
+                if (appSettings.showThumbnails) {
 
-            $http({
-                 url: 'http://api.page2images.com/restfullink?p2i_url=' +
-                 encodeURIComponent(scope.bookmark.url) +
-                 '&p2i_device=6&p2i_screen=1024x768&p2i_imageformat=jpg&p2i_wait=0&p2i_key=7cd903b37d087238',
-                 method: "POST",
-                 headers: {
-                             'Content-Type': 'application/json; charset=utf-8'
-                 }
-             }).success(function(responseData) {
+                    $http({
+                        url: 'http://api.page2images.com/restfullink?p2i_url=' +
+                        encodeURIComponent(scope.bookmark.url) +
+                        '&p2i_device=6&p2i_screen=1024x768&p2i_imageformat=jpg&p2i_wait=0&p2i_key=7cd903b37d087238',
+                        method: "POST",
+                        headers: {
+                            'Content-Type': 'application/json; charset=utf-8'
+                        }
+                    }).success(function(responseData) {
 
-                if(!_.isUndefined(responseData.image_url)){
-                  backgrounds.push('url(' + responseData.image_url + ')');  
+                        if(!_.isUndefined(responseData.image_url)){
+                            backgrounds.push('url(' + responseData.image_url + ')');  
+                        }
+                        updateThumbnail(element, backgrounds);
+                    }).error(function(data, status, header, config) {
+                        updateThumbnail(element, backgrounds);
+                    });
+                }
+                else{
+                    updateThumbnail(element, backgrounds);
                 }
-                updateThumbnail(element, backgrounds);
-            }).error(function(data, status, header, config) {
-                updateThumbnail(element, backgrounds);
             });
-        }
-        else{
-          updateThumbnail(element, backgrounds);
-        }
-      });
-    });
-  };
+        });
+    };
 };
 
 return [
-  'appSettings',
-  '$http',
-  myUpdateBackgroundFactory
+    'appSettings',
+    '$http',
+    myUpdateBackgroundFactory
 ];
 
 });