chrome/browser/ui/bookmarks/recently_used_folders_combo_model.h

   1 // Copyright (c) 2012 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_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_
   6 #define CHROME_BROWSER_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "ui/base/models/combobox_model.h"
  13
  14 class BookmarkModel;
  15 class BookmarkNode;
  16
  17 // Model for the combobox showing the list of folders to choose from. The
  18 // list always contains the Bookmarks Bar, Other Bookmarks and the parent
  19 // folder. The list also contains an extra item that shows the text
  20 // "Choose Another Folder...".
  21 class RecentlyUsedFoldersComboModel : public ui::ComboboxModel {
  22  public:
  23   RecentlyUsedFoldersComboModel(BookmarkModel* model, const BookmarkNode* node);
  24   virtual ~RecentlyUsedFoldersComboModel();
  25
  26   // Overridden from ui::ComboboxModel:
  27   virtual int GetItemCount() const OVERRIDE;
  28   virtual string16 GetItemAt(int index) OVERRIDE;
  29   virtual bool IsItemSeparatorAt(int index) OVERRIDE;
  30   virtual int GetDefaultIndex() const OVERRIDE;
  31
  32   // If necessary this function moves |node| into the corresponding folder for
  33   // the given |selected_index|.
  34   void MaybeChangeParent(const BookmarkNode* node, int selected_index);
  35
  36  private:
  37   // Returns the node at the specified |index|.
  38   const BookmarkNode* GetNodeAt(int index);
  39
  40   // Removes |node| from |items_|. Does nothing if |node| is not in |items_|.
  41   void RemoveNode(const BookmarkNode* node);
  42
  43   struct Item;
  44   std::vector<Item> items_;
  45
  46   BookmarkModel* bookmark_model_;
  47
  48   // The index of the original parent folder.
  49   int node_parent_index_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(RecentlyUsedFoldersComboModel);
  52 };
  53
  54 #endif  // CHROME_BROWSER_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_