| /* |
| * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.awt.X11; |
| |
| /** |
| * This class represents AWT application root window functionality. |
| * Object of this class is singleton, all window reference it to have |
| * common logical ancestor |
| */ |
| class XRootWindow extends XBaseWindow { |
| private static class LazyHolder { |
| private static final XRootWindow xawtRootWindow; |
| |
| static { |
| XToolkit.awtLock(); |
| try { |
| xawtRootWindow = new XRootWindow(); |
| xawtRootWindow.init(xawtRootWindow.getDelayedParams().delete(DELAYED)); |
| } finally { |
| XToolkit.awtUnlock(); |
| } |
| } |
| |
| } |
| static XRootWindow getInstance() { |
| return LazyHolder.xawtRootWindow; |
| } |
| |
| private XRootWindow() { |
| super(new XCreateWindowParams(new Object[] { DELAYED, Boolean.TRUE, |
| EVENT_MASK, XConstants.StructureNotifyMask })); |
| } |
| |
| public void postInit(XCreateWindowParams params){ |
| super.postInit(params); |
| setWMClass(getWMClass()); |
| } |
| |
| protected String getWMName() { |
| return XToolkit.getAWTAppClassName(); |
| } |
| protected String[] getWMClass() { |
| return new String[] {XToolkit.getAWTAppClassName(), XToolkit.getAWTAppClassName()}; |
| } |
| |
| /* Fix 4976517. Return awt_root_shell to XToolkit.c */ |
| private static long getXRootWindow() { |
| return getXAWTRootWindow().getWindow(); |
| } |
| } |