/***************************************************************************
* Copyright 2006-2016 by Christian Ihle *
* contact@kouchat.net *
* *
* This file is part of KouChat. *
* *
* KouChat is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of *
* the License, or (at your option) any later version. *
* *
* KouChat is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with KouChat. *
* If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
package net.usikkert.kouchat.event;
import net.usikkert.kouchat.misc.User;
/**
* This interface can be used to be notified when
* the user list is updated.
*
* @author Christian Ihle
*/
public interface UserListListener {
/**
* A new user has been added to the user list.
*
* @param pos The position in the user list where
* the user was added.
* @param user The user that was added.
*/
void userAdded(int pos, final User user);
/**
* A user has updated some of its fields,
* so the ui needs to refresh.
*
* @param pos The new position of the changed user in the user list.
* @param user The (new) changed user.
*/
void userChanged(int pos, final User user);
/**
* A user has been removed from the user list.
*
* @param pos The position where the user used to be in the user list.
* @param user The user that was removed.
*/
void userRemoved(int pos, final User user);
}