Makes gtk show the 'mobile' bookmark folder where appropriate.

chrome/browser/ui/gtk/bookmark_sub_menu_model_gtk.h

-// Copyright (c) 2011 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_UI_GTK_BOOKMARK_SUB_MENU_MODEL_GTK_H_
-#define CHROME_BROWSER_UI_GTK_BOOKMARK_SUB_MENU_MODEL_GTK_H_
-#pragma once
-
-#include <vector>
-
-#include "chrome/browser/bookmarks/base_bookmark_model_observer.h"
-#include "ui/base/models/simple_menu_model.h"
-#include "webkit/glue/window_open_disposition.h"
-
-class Browser;
-class BookmarkModel;
-class BookmarkNode;
-class MenuGtk;  // See below for why we need this.
-class PageNavigator;
-
-// BookmarkNodeMenuModel builds a SimpleMenuModel on demand when the menu is
-// shown, and automatically destroys child models when the menu is closed.
-class BookmarkNodeMenuModel : public ui::SimpleMenuModel {
- public:
-  BookmarkNodeMenuModel(ui::SimpleMenuModel::Delegate* delegate,
-                        BookmarkModel* model,
-                        const BookmarkNode* node,
-                        PageNavigator* page_navigator);
-  virtual ~BookmarkNodeMenuModel();
-
-  // From SimpleMenuModel. Takes care of deleting submenus.
-  // Note that this is not virtual. That's OK for our use.
-  void Clear();
-
-  // From MenuModel via SimpleMenuModel.
-  virtual void MenuWillShow() OVERRIDE;
-  virtual void MenuClosed() OVERRIDE;
-  virtual void ActivatedAt(int index) OVERRIDE;
-  virtual void ActivatedAt(int index, int event_flags) OVERRIDE;
-
- protected:
-  // Adds all bookmark items to the model. Does not clear the model first.
-  void PopulateMenu();
-
-  // Add a submenu for the given bookmark folder node.
-  void AddSubMenuForNode(const BookmarkNode* node);
-
-  BookmarkModel* model() const { return model_; }
-  void set_model(BookmarkModel* model) { model_ = model; }
-
-  const BookmarkNode* node() const { return node_; }
-  void set_node(const BookmarkNode* node) { node_ = node; }
-
- private:
-  // Uses the page navigator to open the bookmark at the given index.
-  void NavigateToMenuItem(int index, WindowOpenDisposition disposition);
-
-  // The bookmark model whose bookmarks we will show. Note that in the top-level
-  // bookmark menu, this may be null. (It is set only when the menu is shown.)
-  BookmarkModel* model_;
-
-  // The bookmark node for the folder that this model will show. Note that in
-  // the top-level bookmark menu, this may be null, as above.
-  const BookmarkNode* node_;
-
-  // The page navigator used to open bookmarks in ActivatedAt().
-  PageNavigator* page_navigator_;
-
-  // A list of the submenus we own and will need to delete.
-  std::vector<BookmarkNodeMenuModel*> submenus_;
-
-  DISALLOW_COPY_AND_ASSIGN(BookmarkNodeMenuModel);
-};
-
-// This is the top-level bookmark menu model. It handles prepending a few fixed
-// items before the bookmarks. Child menus are all plain BookmarkNodeMenuModels.
-// This class also handles watching the bookmark model and forcing the menu to
-// close if it changes while the menu is open.
-class BookmarkSubMenuModel : public BookmarkNodeMenuModel,
-                             public BaseBookmarkModelObserver {
- public:
-  BookmarkSubMenuModel(ui::SimpleMenuModel::Delegate* delegate,
-                       Browser* browser);
-
-  virtual ~BookmarkSubMenuModel();
-
-  // See below; this is used to allow closing the menu when bookmarks change.
-  void SetMenuGtk(MenuGtk* menu) { menu_ = menu; }
-
-  // From BaseBookmarkModelObserver.
-  virtual void BookmarkModelChanged() OVERRIDE;
-  virtual void BookmarkModelBeingDeleted(BookmarkModel* model) OVERRIDE;
-
-  // From MenuModel via BookmarkNodeMenuModel, SimpleMenuModel.
-  virtual void MenuWillShow() OVERRIDE;
-  virtual void ActivatedAt(int index) OVERRIDE;
-  virtual void ActivatedAt(int index, int event_flags) OVERRIDE;
-  virtual bool IsEnabledAt(int index) const OVERRIDE;
-  virtual bool IsVisibleAt(int index) const OVERRIDE;
-
-  // Returns true if the command id is for a bookmark item.
-  static bool IsBookmarkItemCommandId(int command_id);
-
- private:
-  Browser* browser_;
-
-  // The number of fixed items shown before the bookmarks.
-  int fixed_items_;
-  // The index of the first non-bookmark item after the bookmarks.
-  int bookmark_end_;
-
-  // We need to be able to call Cancel() on the menu when bookmarks change. This
-  // is a bit of an abstraction violation but it could be converted to an
-  // interface with just a Cancel() method if necessary.
-  MenuGtk* menu_;
-
-  DISALLOW_COPY_AND_ASSIGN(BookmarkSubMenuModel);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_BOOKMARK_SUB_MENU_MODEL_GTK_H_