1 /*
   2  * Copyright (c) 2003, 2007, 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 java.awt.peer;
  27 
  28 import java.awt.Component;
  29 import java.awt.Window;
  30 
  31 /**
  32  * The native peer interface for {@link KeyboardFocusManager}.
  33  */
  34 public interface KeyboardFocusManagerPeer {
  35 
  36     /**
  37      * Sets the window that should become the focused window.
  38      *
  39      * @param win the window that should become the focused window
  40      *
  41      */
  42     void setCurrentFocusedWindow(Window win);
  43 
  44     /**
  45      * Returns the currently focused window.
  46      *
  47      * @return the currently focused window
  48      *
  49      * @see KeyboardFocusManager#getNativeFocusedWindow()
  50      */
  51     Window getCurrentFocusedWindow();
  52 
  53     /**
  54      * Sets the component that should become the focus owner.
  55      *
  56      * @param comp the component to become the focus owner
  57      *
  58      * @see KeyboardFocusManager#setNativeFocusOwner(Component)
  59      */
  60     void setCurrentFocusOwner(Component comp);
  61 
  62     /**
  63      * Returns the component that currently owns the input focus.
  64      *
  65      * @return the component that currently owns the input focus
  66      *
  67      * @see KeyboardFocusManager#getNativeFocusOwner()
  68      */
  69     Component getCurrentFocusOwner();
  70 
  71     /**
  72      * Clears the current global focus owner.
  73      *
  74      * @param activeWindow
  75      *
  76      * @see KeyboardFocusManager#clearGlobalFocusOwner()
  77      */
  78     void clearGlobalFocusOwner(Window activeWindow);
  79 
  80 }