src/share/classes/sun/swing/JLightweightFrame.java

*** 35,44 ****
--- 35,51 ----
  import java.awt.Graphics2D;
  import java.awt.MouseInfo;
  import java.awt.Point;
  import java.awt.Rectangle;
  import java.awt.Window;
+ import java.awt.dnd.DragGestureEvent;
+ import java.awt.dnd.DragGestureListener;
+ import java.awt.dnd.DragGestureRecognizer;
+ import java.awt.dnd.DragSource;
+ import java.awt.dnd.DropTarget;
+ import java.awt.dnd.InvalidDnDOperationException;
+ import java.awt.dnd.peer.DragSourceContextPeer;
  import java.awt.event.ContainerEvent;
  import java.awt.event.ContainerListener;
  import java.awt.image.BufferedImage;
  import java.awt.image.DataBufferInt;
  import java.beans.PropertyChangeEvent;
*** 470,475 ****
--- 477,505 ----
          Component target = SwingUtilities.getDeepestComponentAt(this, p.x, p.y);
          if (target != null) {
              content.setCursor(target.getCursor());
          }
      }
+ 
+     public <T extends DragGestureRecognizer> T createDragGestureRecognizer(
+             Class<T> abstractRecognizerClass,
+             DragSource ds, Component c, int srcActions,
+             DragGestureListener dgl)
+     {
+         return content == null ? null : content.createDragGestureRecognizer(
+                 abstractRecognizerClass, ds, c, srcActions, dgl);
+     }
+ 
+     public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException {
+         return content == null ? null : content.createDragSourceContextPeer(dge);
+     }
+ 
+     public void addDropTarget(DropTarget dt) {
+         if (content == null) return;
+         content.addDropTarget(dt);
+     }
+ 
+     public void removeDropTarget(DropTarget dt) {
+         if (content == null) return;
+         content.removeDropTarget(dt);
+     }
  }