/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package java.awt.desktop;

import java.awt.AppEvent.AppHiddenEvent;

/**
 * Implementors are notified when the app is hidden or shown by the user.
 * This notification is helpful for discontinuing a costly animation if it's not visible to the user.
 */
public interface AppHiddenListener extends SystemEventListener {
    /**
     * Called the app is hidden.
     * @param e event
     */
    public void appHidden(final AppHiddenEvent e);

    /**
     * Called when the hidden app is shown again (but not necessarily brought to the foreground).
     * @param e event
     */
    public void appUnhidden(final AppHiddenEvent e);
}