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-/* EmbeddedWindow.java --
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath 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 for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package gnu.java.awt;
-
-import gnu.java.awt.peer.EmbeddedWindowPeer;
-import gnu.java.security.action.SetAccessibleAction;
-
-import java.awt.Component;
-import java.awt.Frame;
-import java.awt.Toolkit;
-import java.lang.reflect.Field;
-import java.security.AccessController;
-
-/**
- * Represents an AWT window that can be embedded into another
- * application.
- *
- * @author Michael Koch (konqueror@gmx.de)
- */
-public class EmbeddedWindow extends Frame
-{
- private long handle;
-
- /**
- * Creates a window to be embedded into another application. The
- * window will only be embedded after its setHandle method has been
- * called.
- */
- public EmbeddedWindow ()
- {
- super();
- this.handle = 0;
- }
-
- /**
- * Creates a window to be embedded into another application.
- *
- * @param handle the native handle to the screen area where the AWT
- * window should be embedded
- */
- public EmbeddedWindow (long handle)
- {
- super();
- this.handle = handle;
- }
-
- /**
- * Creates the native peer for this embedded window.
- */
- public void addNotify()
- {
- Toolkit tk = getToolkit();
-
- if (! (tk instanceof EmbeddedWindowSupport))
- throw new UnsupportedOperationException
- ("Embedded windows are not supported by the current peers: "
- + tk.getClass());
-
- // Circumvent the package-privateness of the AWT internal
- // java.awt.Component.peer member variable.
- try
- {
- Field peerField = Component.class.getDeclaredField("peer");
- AccessController.doPrivileged(new SetAccessibleAction(peerField));
- peerField.set(this, ((EmbeddedWindowSupport) tk).createEmbeddedWindow (this));
- }
- catch (IllegalAccessException e)
- {
- // This should never happen.
- }
- catch (NoSuchFieldException e)
- {
- // This should never happen.
- }
-
- super.addNotify();
- }
-
- /**
- * If the native peer for this embedded window has been created,
- * then setHandle will embed the window. If not, setHandle tells
- * us where to embed ourselves when our peer is created.
- *
- * @param handle the native handle to the screen area where the AWT
- * window should be embedded
- */
- public void setHandle(long handle)
- {
- if (this.handle != 0)
- throw new RuntimeException ("EmbeddedWindow is already embedded");
-
- this.handle = handle;
- if (getPeer() != null)
- ((EmbeddedWindowPeer) getPeer()).embed (this.handle);
- }
-
- /**
- * Gets the native handle of the screen area where the window will
- * be embedded.
- *
- * @return The native handle that was passed to the constructor.
- */
- public long getHandle()
- {
- return handle;
- }
-}