Shutdown animation

htdocs/index.html

@@ -205,5 +205,6 @@
       </div>
       <button id="ID_RenterUploadsOk" style="width: 110px" type="button">Back</button>
     </div>
+    <div id="shutdown_window" class="hidden-element" style="padding: 0; margin: 0;position: fixed; height: 100%; width: 100%;background-image: url(./images/shutdown.gif); background-size: cover; z-index: 99999"></div>
   </body>
 </html>

htdocs/js/index.js

@@ -186,6 +186,9 @@
         if (document.getElementById('sia_settings_window').classList.contains('hidden-element')) {
           setChecked('ID_SettingsLaunchFileManager', launch);
         }
+      },
+      displayShutdownWindow: () => {
+        setMainWindow('shutdown_window');
       }
     };
   })();