1 files changed, 87 insertions, 0 deletions
diff --git a/src/net/java/games/jogl/impl/GLDrawableHelper.java b/src/net/java/games/jogl/impl/GLDrawableHelper.java
new file mode 100644
index 000000000..d9def672f
--- /dev/null
+++ b/src/net/java/games/jogl/impl/GLDrawableHelper.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package net.java.games.jogl.impl;
+
+import java.util.*;
+import net.java.games.jogl.*;
+
+/** Encapsulates the implementation of most of the GLDrawable's
+    methods to be able to share it between GLCanvas and GLJPanel. */
+
+public class GLDrawableHelper {
+  private List listeners = new ArrayList();
+  private GL gl;
+  // FIXME
+  //  private GLU glu;
+
+  public GLDrawableHelper() {
+  }
+
+  public void addGLEventListener(GLEventListener listener) {
+    listeners.add(listener);
+  }
+  
+  public void removeGLEventListener(GLEventListener listener) {
+    listeners.remove(listener);
+  }
+
+  public void init(GLDrawable drawable) {
+    // Note that we don't use iterator() since listeners may
+    // add/remove other listeners during initialization. We don't
+    // guarantee that all listeners will be evaluated if
+    // removeGLEventListener is called.
+    for (int i = 0; i < listeners.size(); i++) {
+      ((GLEventListener) listeners.get(i)).init(drawable);
+    }
+  }
+
+  public void display(GLDrawable drawable) {
+    for (int i = 0; i < listeners.size(); i++) {
+      ((GLEventListener) listeners.get(i)).display(drawable);
+    }
+  }
+
+  public void reshape(GLDrawable drawable,
+                      int x, int y, int width, int height) {
+    for (int i = 0; i < listeners.size(); i++) {
+      ((GLEventListener) listeners.get(i)).reshape(drawable, x, y, width, height);
+    }
+  }
+}