1 files changed, 99 insertions, 0 deletions
diff --git a/src/javax/media/j3d/CanvasViewEventCatcher.java b/src/javax/media/j3d/CanvasViewEventCatcher.java
new file mode 100644
index 0000000..aadbf5f
--- /dev/null
+++ b/src/javax/media/j3d/CanvasViewEventCatcher.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 1999-2008 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 javax.media.j3d;
+
+import java.awt.IllegalComponentStateException;
+import java.awt.event.ComponentAdapter;
+import java.awt.event.ComponentEvent;
+
+/**
+ * The CanvasViewEventCatcher class is used to track events on a Canvas3D that
+ * may cause view matries to change.
+ *
+ */
+class CanvasViewEventCatcher extends ComponentAdapter {
+
+    // The canvas associated with this event catcher
+    private Canvas3D canvas;
+    private static final boolean DEBUG = false;
+
+    CanvasViewEventCatcher(Canvas3D c) {
+	canvas = c;
+    }
+
+    @Override
+    public void componentResized(ComponentEvent e) {
+	if (DEBUG) {
+	    System.err.println("Component resized " + e);
+	}
+
+	if(e.getComponent() == canvas ) {
+	    if (DEBUG) {
+		System.err.println("It is canvas!");
+	    }
+	    synchronized(canvas) {
+                synchronized (canvas.dirtyMaskLock) {
+                    canvas.cvDirtyMask[0] |= Canvas3D.MOVED_OR_RESIZED_DIRTY;
+                    canvas.cvDirtyMask[1] |= Canvas3D.MOVED_OR_RESIZED_DIRTY;
+                }
+		canvas.resizeGraphics2D = true;
+	    }
+
+	    // see comment below
+	    try {
+		canvas.newSize = canvas.getSize();
+		canvas.newPosition = canvas.getLocationOnScreen();
+	    } catch (IllegalComponentStateException ex) {}
+
+	}
+    }
+
+    @Override
+    public void componentMoved(ComponentEvent e) {
+	if (DEBUG) {
+	    System.err.println("Component moved " + e);
+	}
+
+        synchronized(canvas) {
+            synchronized (canvas.dirtyMaskLock) {
+                canvas.cvDirtyMask[0] |= Canvas3D.MOVED_OR_RESIZED_DIRTY;
+                canvas.cvDirtyMask[1] |= Canvas3D.MOVED_OR_RESIZED_DIRTY;
+            }
+        }
+	// Can't sync. with canvas lock since canvas.getLocationOnScreen()
+	// required Component lock. The order is reverse of
+	// removeNotify() lock sequence which required Component lock
+	// first, then canvas lock in removeComponentListener()
+
+	try {
+	    canvas.newSize = canvas.getSize();
+	    canvas.newPosition = canvas.getLocationOnScreen();
+	} catch (IllegalComponentStateException ex) {}
+
+    }
+
+}