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      1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_
      6 #define CHROME_BROWSER_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_
      7 #pragma once
      8 
      9 #include <vector>
     10 
     11 #include "base/string16.h"
     12 #include "chrome/browser/bookmarks/bookmark_model.h"
     13 #include "ui/base/models/combobox_model.h"
     14 
     15 // Model for the combobox showing the list of folders to choose from. The
     16 // list always contains the bookmark bar, other node and parent. The list
     17 // also contains an extra item that shows the text 'Choose another folder...'.
     18 class RecentlyUsedFoldersComboModel : public ui::ComboboxModel {
     19  public:
     20   RecentlyUsedFoldersComboModel(BookmarkModel* model, const BookmarkNode* node);
     21   virtual ~RecentlyUsedFoldersComboModel();
     22 
     23   // Overridden from ui::ComboboxModel:
     24   virtual int GetItemCount();
     25   virtual string16 GetItemAt(int index);
     26 
     27   // Returns the node at the specified |index|.
     28   const BookmarkNode* GetNodeAt(int index);
     29 
     30   // Returns the index of the original parent folder.
     31   int node_parent_index() const { return node_parent_index_; }
     32 
     33  private:
     34   // Removes |node| from |nodes_|. Does nothing if |node| is not in |nodes_|.
     35   void RemoveNode(const BookmarkNode* node);
     36 
     37   std::vector<const BookmarkNode*> nodes_;
     38   int node_parent_index_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(RecentlyUsedFoldersComboModel);
     41 };
     42 
     43 #endif  // CHROME_BROWSER_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_
     44