Adds ability to sort the children of a node in the bookmark model. I...

chrome/browser/bookmarks/bookmark_model.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_BOOKMARKS_BOOKMARK_BAR_MODEL_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_BAR_MODEL_H_
 
 #include "build/build_config.h"
 
 #include "base/lock.h"
@@ skipping 151 matching lines @@
     BookmarkNodeRemoved(model, parent, old_index);
   }
 
   // Invoked when the title or favicon of a node has changed.
   virtual void BookmarkNodeChanged(BookmarkModel* model,
                                    BookmarkNode* node) = 0;
 
   // Invoked when a favicon has finished loading.
   virtual void BookmarkNodeFavIconLoaded(BookmarkModel* model,
                                          BookmarkNode* node) = 0;
+
+  // Invoked when the children (just direct children, not descendants) of
+  // |node| have been reordered in some way, such as sorted.
+  // TODO(sky): make this pure virtual when all observers have been updated.
+  virtual void BookmarkNodeChildrenReordered(BookmarkModel* model,
+                                             BookmarkNode* node) {}
 };
 
 // BookmarkModel --------------------------------------------------------------
 
 // BookmarkModel provides a directed acyclic graph of the starred entries
 // and groups. Two graphs are provided for the two entry points: those on
 // the bookmark bar, and those in the other folder.
 //
 // An observer may be attached to observer relevant events.
 //
@@ skipping 81 matching lines @@
                        const std::wstring& title,
                        const GURL& url);
 
   // Adds a url with a specific creation date.
   BookmarkNode* AddURLWithCreationTime(BookmarkNode* parent,
                                        int index,
                                        const std::wstring& title,
                                        const GURL& url,
                                        const base::Time& creation_time);
 
+  // Sorts the children of |parent|, notifying observers by way of the
+  // BookmarkNodeChildrenReordered method.
+  void SortChildren(BookmarkNode* parent);
+
   // This is the convenience that makes sure the url is starred or not starred.
   // If is_starred is false, all bookmarks for URL are removed. If is_starred is
   // true and there are no bookmarks for url, a bookmark is created.
   void SetURLStarred(const GURL& url,
                      const std::wstring& title,
                      bool is_starred);
 
   // Resets the 'date modified' time of the node to 0. This is used during
   // importing to exclude the newly created groups from showing up in the
   // combobox of most recently modified groups.
@@ skipping 142 matching lines @@
   // TODO(port): Implement for other platforms.
 
   // Handle to event signaled when loading is done.
   ScopedHandle loaded_signal_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkModel);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_BAR_MODEL_H_