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| 1 | +/* | |
| 2 | + * Copyright (c) 1999, 2000, 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; | |
| 27 | + | |
| 28 | +import java.awt.peer.LightweightPeer; | |
| 29 | +import sun.awt.SunGraphicsCallback; | |
| 30 | + | |
| 31 | + | |
| 32 | +abstract class GraphicsCallback extends SunGraphicsCallback { | |
| 33 | + | |
| 34 | + static final class PaintCallback extends GraphicsCallback { | |
| 35 | + private static PaintCallback instance = new PaintCallback(); | |
| 36 | + | |
| 37 | + private PaintCallback() {} | |
| 38 | + public void run(Component comp, Graphics cg) { | |
| 39 | + comp.paint(cg); | |
| 40 | + } | |
| 41 | + static PaintCallback getInstance() { | |
| 42 | + return instance; | |
| 43 | + } | |
| 44 | + } | |
| 45 | + static final class PrintCallback extends GraphicsCallback { | |
| 46 | + private static PrintCallback instance = new PrintCallback(); | |
| 47 | + | |
| 48 | + private PrintCallback() {} | |
| 49 | + public void run(Component comp, Graphics cg) { | |
| 50 | + comp.print(cg); | |
| 51 | + } | |
| 52 | + static PrintCallback getInstance() { | |
| 53 | + return instance; | |
| 54 | + } | |
| 55 | + } | |
| 56 | + static final class PaintAllCallback extends GraphicsCallback { | |
| 57 | + private static PaintAllCallback instance = new PaintAllCallback(); | |
| 58 | + | |
| 59 | + private PaintAllCallback() {} | |
| 60 | + public void run(Component comp, Graphics cg) { | |
| 61 | + comp.paintAll(cg); | |
| 62 | + } | |
| 63 | + static PaintAllCallback getInstance() { | |
| 64 | + return instance; | |
| 65 | + } | |
| 66 | + } | |
| 67 | + static final class PrintAllCallback extends GraphicsCallback { | |
| 68 | + private static PrintAllCallback instance = new PrintAllCallback(); | |
| 69 | + | |
| 70 | + private PrintAllCallback() {} | |
| 71 | + public void run(Component comp, Graphics cg) { | |
| 72 | + comp.printAll(cg); | |
| 73 | + } | |
| 74 | + static PrintAllCallback getInstance() { | |
| 75 | + return instance; | |
| 76 | + } | |
| 77 | + } | |
| 78 | + static final class PeerPaintCallback extends GraphicsCallback { | |
| 79 | + private static PeerPaintCallback instance = new PeerPaintCallback(); | |
| 80 | + | |
| 81 | + private PeerPaintCallback() {} | |
| 82 | + public void run(Component comp, Graphics cg) { | |
| 83 | + comp.validate(); | |
| 84 | + if (comp.peer instanceof LightweightPeer) { | |
| 85 | + comp.lightweightPaint(cg); | |
| 86 | + } else { | |
| 87 | + comp.peer.paint(cg); | |
| 88 | + } | |
| 89 | + } | |
| 90 | + static PeerPaintCallback getInstance() { | |
| 91 | + return instance; | |
| 92 | + } | |
| 93 | + } | |
| 94 | + static final class PeerPrintCallback extends GraphicsCallback { | |
| 95 | + private static PeerPrintCallback instance = new PeerPrintCallback(); | |
| 96 | + | |
| 97 | + private PeerPrintCallback() {} | |
| 98 | + public void run(Component comp, Graphics cg) { | |
| 99 | + comp.validate(); | |
| 100 | + if (comp.peer instanceof LightweightPeer) { | |
| 101 | + comp.lightweightPrint(cg); | |
| 102 | + } else { | |
| 103 | + comp.peer.print(cg); | |
| 104 | + } | |
| 105 | + } | |
| 106 | + static PeerPrintCallback getInstance() { | |
| 107 | + return instance; | |
| 108 | + } | |
| 109 | + } | |
| 110 | + static final class PaintHeavyweightComponentsCallback | |
| 111 | + extends GraphicsCallback | |
| 112 | + { | |
| 113 | + private static PaintHeavyweightComponentsCallback instance = | |
| 114 | + new PaintHeavyweightComponentsCallback(); | |
| 115 | + | |
| 116 | + private PaintHeavyweightComponentsCallback() {} | |
| 117 | + public void run(Component comp, Graphics cg) { | |
| 118 | + if (comp.peer instanceof LightweightPeer) { | |
| 119 | + comp.paintHeavyweightComponents(cg); | |
| 120 | + } else { | |
| 121 | + comp.paintAll(cg); | |
| 122 | + } | |
| 123 | + } | |
| 124 | + static PaintHeavyweightComponentsCallback getInstance() { | |
| 125 | + return instance; | |
| 126 | + } | |
| 127 | + } | |
| 128 | + static final class PrintHeavyweightComponentsCallback | |
| 129 | + extends GraphicsCallback | |
| 130 | + { | |
| 131 | + private static PrintHeavyweightComponentsCallback instance = | |
| 132 | + new PrintHeavyweightComponentsCallback(); | |
| 133 | + | |
| 134 | + private PrintHeavyweightComponentsCallback() {} | |
| 135 | + public void run(Component comp, Graphics cg) { | |
| 136 | + if (comp.peer instanceof LightweightPeer) { | |
| 137 | + comp.printHeavyweightComponents(cg); | |
| 138 | + } else { | |
| 139 | + comp.printAll(cg); | |
| 140 | + } | |
| 141 | + } | |
| 142 | + static PrintHeavyweightComponentsCallback getInstance() { | |
| 143 | + return instance; | |
| 144 | + } | |
| 145 | + } | |
| 146 | +} | |