- /*
- * @(#)GraphicsCallback.java 1.3 00/02/02
- *
- * Copyright 1995-2000 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the proprietary information of Sun Microsystems, Inc.
- * Use is subject to license terms.
- *
- */
-
- package java.awt;
-
- 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 java.awt.peer.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 java.awt.peer.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 java.awt.peer.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 java.awt.peer.LightweightPeer) {
- comp.printHeavyweightComponents(cg);
- } else {
- comp.printAll(cg);
- }
- }
- static PrintHeavyweightComponentsCallback getInstance() {
- return instance;
- }
- }
- }