| /* |
| * Copyright (c) 1999, 2000, 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 java.awt; |
| |
| import java.awt.peer.LightweightPeer; |
| import sun.awt.SunGraphicsCallback; |
| |
| |
| abstract class GraphicsCallback extends SunGraphicsCallback { |
| |
| static final class PaintCallback extends GraphicsCallback { |
| private static PaintCallback instance = new PaintCallback(); |
| |
| private PaintCallback() {} |
| public void run(Component comp, Graphics cg) { |
| comp.paint(cg); |
| } |
| static PaintCallback getInstance() { |
| return instance; |
| } |
| } |
| static final class PrintCallback extends GraphicsCallback { |
| private static PrintCallback instance = new PrintCallback(); |
| |
| private PrintCallback() {} |
| public void run(Component comp, Graphics cg) { |
| comp.print(cg); |
| } |
| static PrintCallback getInstance() { |
| return instance; |
| } |
| } |
| static final class PaintAllCallback extends GraphicsCallback { |
| private static PaintAllCallback instance = new PaintAllCallback(); |
| |
| private PaintAllCallback() {} |
| public void run(Component comp, Graphics cg) { |
| comp.paintAll(cg); |
| } |
| static PaintAllCallback getInstance() { |
| return instance; |
| } |
| } |
| static final class PrintAllCallback extends GraphicsCallback { |
| private static PrintAllCallback instance = new PrintAllCallback(); |
| |
| private PrintAllCallback() {} |
| public void run(Component comp, Graphics cg) { |
| comp.printAll(cg); |
| } |
| static PrintAllCallback getInstance() { |
| return instance; |
| } |
| } |
| static final class PeerPaintCallback extends GraphicsCallback { |
| private static PeerPaintCallback instance = new PeerPaintCallback(); |
| |
| private PeerPaintCallback() {} |
| public void run(Component comp, Graphics cg) { |
| comp.validate(); |
| if (comp.peer instanceof LightweightPeer) { |
| comp.lightweightPaint(cg); |
| } else { |
| comp.peer.paint(cg); |
| } |
| } |
| static PeerPaintCallback getInstance() { |
| return instance; |
| } |
| } |
| static final class PeerPrintCallback extends GraphicsCallback { |
| private static PeerPrintCallback instance = new PeerPrintCallback(); |
| |
| private PeerPrintCallback() {} |
| public void run(Component comp, Graphics cg) { |
| comp.validate(); |
| if (comp.peer instanceof LightweightPeer) { |
| comp.lightweightPrint(cg); |
| } else { |
| comp.peer.print(cg); |
| } |
| } |
| static PeerPrintCallback getInstance() { |
| return instance; |
| } |
| } |
| static final class PaintHeavyweightComponentsCallback |
| extends GraphicsCallback |
| { |
| private static PaintHeavyweightComponentsCallback instance = |
| new PaintHeavyweightComponentsCallback(); |
| |
| private PaintHeavyweightComponentsCallback() {} |
| public void run(Component comp, Graphics cg) { |
| if (comp.peer instanceof LightweightPeer) { |
| comp.paintHeavyweightComponents(cg); |
| } else { |
| comp.paintAll(cg); |
| } |
| } |
| static PaintHeavyweightComponentsCallback getInstance() { |
| return instance; |
| } |
| } |
| static final class PrintHeavyweightComponentsCallback |
| extends GraphicsCallback |
| { |
| private static PrintHeavyweightComponentsCallback instance = |
| new PrintHeavyweightComponentsCallback(); |
| |
| private PrintHeavyweightComponentsCallback() {} |
| public void run(Component comp, Graphics cg) { |
| if (comp.peer instanceof LightweightPeer) { |
| comp.printHeavyweightComponents(cg); |
| } else { |
| comp.printAll(cg); |
| } |
| } |
| static PrintHeavyweightComponentsCallback getInstance() { |
| return instance; |
| } |
| } |
| } |