window.onhashchange = (evt) => {
   projector.scheduleRender();
   hash = window.location.hash;
   if (page && page.destroy) {
     page.destroy();
   }
   page = registry.initializePage(hash.substr(1)); // strips the # token
 };

      dataService.horizon('directMessages').findAll({ chatRoomId: chatRoomId }).order('timestamp', 'descending').limit(1).watch().subscribe((msg: any) => {

        if (msg[0]) {
          lastMessages.push(msg[0]); // TODO: check if there was already an object for the current chatroom available and overwrite it.
          lastMessages.sort((msg1, msg2) => msg1.timestamp - msg2.timestamp);

          let lastmessage = lastMessages[lastMessages.length - 1];
          let notification: NotificationInfo = {title: otheruser.firstName, body: lastmessage.text};
          sendNotification(notification);
        }
        projector.scheduleRender();
      });

              (msg: any) => {

                console.log('ok');

                if (msg[0]) {
                  lastMessages.push(msg[0]); // TODO: check if there was already an object for the current chatroom available and overwrite it.
                  lastMessages.sort((msg1, msg2) => msg1.timestamp - msg2.timestamp);

                  let lastmessage = lastMessages[lastMessages.length - 1];
                  let notification: NotificationInfo = { title: otheruser.firstName, body: lastmessage.text };
                  //sendNotification(notification);
                }
                projector.scheduleRender();
              }

    reader.readEntries((entries: any) => {
      allEntries = entries;

      projector.scheduleRender();
    }, onErrorReadFile);

 reader.onloadend = function () {
   newFileContent = this.result;
   projector.scheduleRender();
 };

 fs.readdir(os.homedir(), (err: Error, results: string[]) => {
  if (err) throw err;  

  filenames = results; 
    projector.scheduleRender(); 
  });

 let setOtherUser = (otheruser: UserInfo) => { 
   username = `${otheruser.firstName} ${otheruser.lastName}`;
   projector.scheduleRender();
 }

 public mount(domNode:DisplayNode, renderFn:() => VNode):void {
     this.projector.append(domNode, renderFn);
 }

 .then((responseText) => {
   projector.scheduleRender();
   return responseText;
 });