JDK14/Java14源码在线阅读

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package java.awt.desktop;

/**
 * Implementors are notified when the app becomes the foreground app and when it
 * is no longer the foreground app. This notification is useful for hiding and
 * showing transient UI like palette windows which should be hidden when the app
 * is in the background.
 *
 * @since 9
 */
public interface AppForegroundListener extends SystemEventListener {

    /**
     * Called when the app becomes the foreground app.
     *
     * @param  e event
     */
    public void appRaisedToForeground(AppForegroundEvent e);

    /**

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