01: /*
02: *
03: * Copyright 1990-2006 Sun Microsystems, Inc. All Rights Reserved.
04: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License version
08: * 2 only, as published by the Free Software Foundation.
09: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * General Public License version 2 for more details (a copy is
14: * included at /legal/license.txt).
15: *
16: * You should have received a copy of the GNU General Public License
17: * version 2 along with this work; if not, write to the Free Software
18: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19: * 02110-1301 USA
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
22: * Clara, CA 95054 or visit www.sun.com if you need additional
23: * information or have any questions.
24: */
25:
26: package com.sun.xlet;
27:
28: import java.awt.Container;
29: import java.awt.Panel;
30: import java.awt.Frame;
31:
32: import sun.awt.AppContext;
33: import sun.awt.SunToolkit;
34:
35: public class XletContainer extends Panel {
36:
37: public Container getParent() {
38: Container c = super .getParent();
39: if (AppContext.getAppContext() != SunToolkit
40: .targetToAppContext(c)) {
41: ClassLoader loader = sun.misc.CVM.getCallerClass(1)
42: .getClassLoader();
43: if (loader != null) { // call not by the system library
44: return null;
45: }
46: }
47: return c;
48: }
49:
50: public Container getFocusCycleRootAncestor() {
51: Container c = super .getFocusCycleRootAncestor();
52: if (AppContext.getAppContext() != SunToolkit
53: .targetToAppContext(c)) {
54: return null;
55: }
56: return c;
57: }
58:
59: public boolean isFocusCycleRoot() {
60: return true;
61: }
62: }
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