JustPerfection extension review fixes

extension.js

@@ -146,14 +146,12 @@ class Extension {
     constructor() {
         this._previous_y_align = BannerBin.get_y_align();
         this._previous_x_align = BannerBin.get_x_align();
-        this._loadSettings();
     }
 
     _loadSettings() {
         this._settings = Prefs.SettingsSchema;
         this._settingsChangedId = this._settings.connect('changed',
             Lang.bind(this, this._onSettingsChange));
-
         this._fetchSettings();
     }
 
@@ -170,6 +168,7 @@ class Extension {
     }
 
     enable() {
+        this._loadSettings();        
         // generally alignment can be controller with START/CENTER/END
         // but CENTER and END are problematic to implement animations with
         // (especially x -> END and animations from left/right)
@@ -192,6 +191,7 @@ class Extension {
         BannerBin.x = 0
         BannerBin.y = 0
         this.restore()
+        this._settings = null;
 
     }
 

prefs.js

@@ -43,15 +43,7 @@ var Fields = {
 
 const SCHEMA_NAME = 'org.gnome.shell.extensions.notification-banner-reloaded';
 
-const getSchema = function () {
-    let schemaDir = Me.dir.get_child('schemas').get_path();
-    let schemaSource = Gio.SettingsSchemaSource.new_from_directory(schemaDir, Gio.SettingsSchemaSource.get_default(), false);
-    let schema = schemaSource.lookup(SCHEMA_NAME, false);
-
-    return new Gio.Settings({ settings_schema: schema });
-};
-
-var SettingsSchema = getSchema();
+var SettingsSchema = ExtensionUtils.getSettings(SCHEMA_NAME);
 
 function init() {
     let localeDir = Me.dir.get_child('locale');