/** Populate recent bookmarks. */
 public void populateRecentBookmarks() {
   JMenu bookmarksMenu = this.recentBookmarksMenu;
   bookmarksMenu.removeAll();
   Collection<HistoryEntry<BookmarkInfo>> historyEntries =
       BookmarksHistory.getInstance().getRecentEntries(PREFERRED_MAX_MENU_SIZE);
   for (HistoryEntry<BookmarkInfo> hentry : historyEntries) {
     BookmarkInfo binfo = hentry.getItemInfo();
     String text = binfo.getTitle();
     URL url = binfo.getUrl();
     String urlText = url.toExternalForm();
     if ((text == null) || (text.length() == 0)) {
       text = urlText;
     }
     long elapsed = System.currentTimeMillis() - hentry.getTimetstamp();
     text = text + " (" + Timing.getElapsedText(elapsed) + " ago)";
     Action action = this.actionPool.createBookmarkNavigateAction(url);
     JMenuItem menuItem = ComponentSource.menuItem(text, action);
     StringBuffer toolTipText = new StringBuffer();
     toolTipText.append("<html>");
     toolTipText.append(urlText);
     String description = binfo.getDescription();
     if ((description != null) && (description.length() != 0)) {
       toolTipText.append("<br>");
       toolTipText.append(description);
     }
     menuItem.setToolTipText(toolTipText.toString());
     bookmarksMenu.add(menuItem);
   }
 }