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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 | } | ||