Mac: Empty bookmark bar should show IDS_BOOKMARKS_NO_ITEMS.

chrome/browser/cocoa/bookmark_bar_controller.mm

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_editor.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #import "chrome/browser/cocoa/bookmark_bar_bridge.h"
 #import "chrome/browser/cocoa/bookmark_bar_controller.h"
+#import "chrome/browser/cocoa/bookmark_bar_view.h"
 #import "chrome/browser/cocoa/bookmark_button_cell.h"
 #import "chrome/browser/cocoa/bookmark_editor_controller.h"
 #import "chrome/browser/cocoa/bookmark_name_folder_controller.h"
 #import "chrome/browser/cocoa/bookmark_menu_cocoa_controller.h"
 #import "chrome/browser/cocoa/event_utils.h"
 #import "chrome/browser/cocoa/menu_button.h"
 #import "chrome/browser/cocoa/view_resizer.h"
 #include "chrome/browser/cocoa/nsimage_cache.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/pref_names.h"
@@ skipping 411 matching lines @@
       initWithParentWindow:[[self view] window]
                    profile:profile_
                       node:node];
   [controller runAsModalSheet];
 
   // runAsModalSheet will run the window as a sheet.  The
   // BookmarkNameFolderController will release itself when the sheet
   // ends.
 }
 
-- (NSView*)buttonView {
+- (BookmarkBarView*)buttonView {
   return buttonView_;
 }
 
 // Delete all bookmarks from the bookmark bar, and reset knowledge of
 // bookmarks.
 - (void)clearBookmarkBar {
   [buttons_ makeObjectsPerformSelector:@selector(removeFromSuperview)];
   [buttons_ removeAllObjects];
   [self clearMenuTagMap];
 }
@@ skipping 85 matching lines @@
       event_utils::WindowOpenDispositionFromNSEvent([NSApp currentEvent]);
   [urlDelegate_ openBookmarkURL:node->GetURL() disposition:disposition];
 }
 
 // Add all items from the given model to our bookmark bar.
 //
 // TODO(jrg): write a "build bar" so there is a nice spot for things
 // like the contextual menu which is invoked when not over a
 // bookmark.  On Safari that menu has a "new folder" option.
 - (void)addNodesToBar:(const BookmarkNode*)node {
+  BOOL hidden = (node->GetChildCount() == 0) ? NO : YES;
+  NSView* item = [buttonView_ noItemTextfield];
+  [item setHidden:hidden];
+
   int x_offset = 0;
   for (int i = 0; i < node->GetChildCount(); i++) {
     const BookmarkNode* child = node->GetChild(i);
 
     NSCell* cell = [self cellForBookmarkNode:child];
     NSRect frame = [self frameForBookmarkButtonFromCell:cell xOffset:&x_offset];
     NSButton* button = [[[BookmarkButton alloc] initWithFrame:frame]
                          autorelease];
     DCHECK(button);
     [buttons_ addObject:button];
@@ skipping 103 matching lines @@
 
 - (void)setUrlDelegate:(id<BookmarkURLOpener>)urlDelegate {
   urlDelegate_ = urlDelegate;
 }
 
 - (NSArray*)buttons {
   return buttons_.get();
 }
 
 @end