1 /*
   2  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.apple.eawt;
  27 
  28 import com.apple.eawt.AppEvent.ScreenSleepEvent;
  29 
  30 /**
  31  * Implementors receive notification when the displays attached to the system have entered power save sleep.
  32  *
  33  * This notification is useful for discontinuing a costly animation, or indicating that the user is no longer present on a network service.
  34  *
  35  * This message is not sent on Mac OS X versions prior to 10.6.
  36  *
  37  * @see Application#addAppEventListener(AppEventListener)
  38  *
  39  * @since Java for Mac OS X 10.6 Update 3
  40  * @since Java for Mac OS X 10.5 Update 8
  41  */
  42 public interface ScreenSleepListener extends AppEventListener {
  43     /**
  44      * Called when the system displays have entered power save sleep.
  45      * @param e the screen sleep event
  46      */
  47     public void screenAboutToSleep(final ScreenSleepEvent e);
  48 
  49     /**
  50      * Called when the system displays have awoke from power save sleep.
  51      * @param e the screen sleep event
  52      */
  53     public void screenAwoke(final ScreenSleepEvent e);
  54 }