jdk/src/share/classes/java/awt/GraphicsCallback.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/awt/GraphicsCallback.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,146 @@
+/*
+ * Copyright 1999-2000 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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;
+        }
+    }
+}