package org.argeo.cms.e4.users;
   
   import org.eclipse.swt.widgets.Display;
   import org.osgi.service.useradmin.UserAdminEvent;
   import org.osgi.service.useradmin.UserAdminListener;
   
   /** Convenience class to insure the call to refresh is done in the UI thread */
   public abstract class UiUserAdminListener implements UserAdminListener {
   
  	private final Display display;
  
  	public UiUserAdminListener(Display display) {
  		this.display = display;
  	}
  
  	@Override
  	public void roleChanged(final UserAdminEvent event) {
  		display.asyncExec(new Runnable() {
  			@Override
  			public void run() {
  				roleChangedToUiThread(event);
  			}
  		});
  	}
  
  	public abstract void roleChangedToUiThread(UserAdminEvent event);
  }