40  *
  41  * @author Dave Moore
  42  */
  43 public interface AncestorListener extends EventListener {
  44     /**
  45      * Called when the source or one of its ancestors is made visible
  46      * either by setVisible(true) being called or by its being
  47      * added to the component hierarchy.  The method is only called
  48      * if the source has actually become visible.  For this to be true
  49      * all its parents must be visible and it must be in a hierarchy
  50      * rooted at a Window
  51      *
  52      * @param event an {@code AncestorEvent} signifying a change in an
  53      *              ancestor-component's display-status
  54      */
  55     public void ancestorAdded(AncestorEvent event);
  56 
  57     /**
  58      * Called when the source or one of its ancestors is made invisible
  59      * either by setVisible(false) being called or by its being
  60      * remove from the component hierarchy.  The method is only called
  61      * if the source has actually become invisible.  For this to be true
  62      * at least one of its parents must by invisible or it is not in
  63      * a hierarchy rooted at a Window
  64      *
  65      * @param event an {@code AncestorEvent} signifying a change in an
  66      *              ancestor-component's display-status
  67      */
  68     public void ancestorRemoved(AncestorEvent event);
  69 
  70     /**
  71      * Called when either the source or one of its ancestors is moved.
  72      *
  73      * @param event an {@code AncestorEvent} signifying a change in an
  74      *              ancestor-component's display-status
  75      */
  76     public void ancestorMoved(AncestorEvent event);
  77 
  78 }

  40  *
  41  * @author Dave Moore
  42  */
  43 public interface AncestorListener extends EventListener {
  44     /**
  45      * Called when the source or one of its ancestors is made visible
  46      * either by setVisible(true) being called or by its being
  47      * added to the component hierarchy.  The method is only called
  48      * if the source has actually become visible.  For this to be true
  49      * all its parents must be visible and it must be in a hierarchy
  50      * rooted at a Window
  51      *
  52      * @param event an {@code AncestorEvent} signifying a change in an
  53      *              ancestor-component's display-status
  54      */
  55     public void ancestorAdded(AncestorEvent event);
  56 
  57     /**
  58      * Called when the source or one of its ancestors is made invisible
  59      * either by setVisible(false) being called or by its being
  60      * removed from the component hierarchy.  The method is only called
  61      * if the source has actually become invisible.  For this to be true
  62      * at least one of its parents must by invisible or it is not in
  63      * a hierarchy rooted at a Window
  64      *
  65      * @param event an {@code AncestorEvent} signifying a change in an
  66      *              ancestor-component's display-status
  67      */
  68     public void ancestorRemoved(AncestorEvent event);
  69 
  70     /**
  71      * Called when either the source or one of its ancestors is moved.
  72      *
  73      * @param event an {@code AncestorEvent} signifying a change in an
  74      *              ancestor-component's display-status
  75      */
  76     public void ancestorMoved(AncestorEvent event);
  77 
  78 }