Source for java.awt.event.WindowListener

   1: /* WindowListener.java -- listens for window events
   2:    Copyright (C) 1999, 2002, 2005  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package java.awt.event;
  40: 
  41: import java.awt.Frame;
  42: import java.awt.Image;
  43: import java.util.EventListener;
  44: 
  45: /**
  46:  * This interface is for classes that wish to monitor events for window
  47:  * changes. To watch a subset of these events, use a WindowAdapter.
  48:  *
  49:  * @author Aaron M. Renn (arenn@urbanophile.com)
  50:  * @see WindowAdapter
  51:  * @see WindowEvent
  52:  * @since 1.1
  53:  * @status updated to 1.4
  54:  */
  55: public interface WindowListener extends EventListener
  56: {
  57:   /**
  58:    * This method is called when the window is made visible.
  59:    *
  60:    * @param event the <code>WindowEvent</code> indicating the change
  61:    */
  62:   void windowOpened(WindowEvent event);
  63: 
  64:   /**
  65:    * This method is called when the user calls the system menu close
  66:    * function, giving the program a chance to cancel the close.
  67:    *
  68:    * @param event the <code>WindowEvent</code> indicating the close attempt
  69:    */
  70:   void windowClosing(WindowEvent event);
  71: 
  72:   /**
  73:    * This method is called when the window is closed.
  74:    *
  75:    * @param event the <code>WindowEvent</code> indicating the dispose
  76:    */
  77:   void windowClosed(WindowEvent event);
  78: 
  79:   /**
  80:    * This method is called when the window is iconified.
  81:    *
  82:    * @param event the <code>WindowEvent</code> indicating the iconification
  83:    * @see Frame#setIconImage(Image)
  84:    */
  85:   void windowIconified(WindowEvent event);
  86: 
  87:   /**
  88:    * This method is called when the window is deiconified.
  89:    *
  90:    * @param event the <code>WindowEvent</code> indicating the deiconification
  91:    */
  92:   void windowDeiconified(WindowEvent event);
  93: 
  94:   /**
  95:    * This method is called when a window is activated. Only Frames and Dialogs
  96:    * can be active, and the active window always contains the component with
  97:    * focus.
  98:    *
  99:    * @param event the <code>WindowEvent</code> indicating the activation
 100:    */
 101:   void windowActivated(WindowEvent event);
 102: 
 103:   /**
 104:    * This method is called when the window is deactivated.
 105:    *
 106:    * @param event the <code>WindowEvent</code> indicating the deactivation
 107:    */
 108:   void windowDeactivated(WindowEvent event);
 109: } // interface WindowListener