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ui/base/models/menu_model.h

Index: ui/base/models/menu_model.h
diff --git a/ui/base/models/menu_model.h b/ui/base/models/menu_model.h
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--- a/ui/base/models/menu_model.h
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-// Copyright (c) 2012 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 UI_BASE_MODELS_MENU_MODEL_H_
-#define UI_BASE_MODELS_MENU_MODEL_H_
-
-#include "base/strings/string16.h"
-#include "ui/base/models/menu_model_delegate.h"
-#include "ui/base/models/menu_separator_types.h"
-#include "ui/base/ui_base_export.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace gfx {
-class FontList;
-class Image;
-}
-
-namespace ui {
-
-class Accelerator;
-class ButtonMenuItemModel;
-
-// An interface implemented by an object that provides the content of a menu.
-class UI_BASE_EXPORT MenuModel {
- public:
-  // The type of item.
-  enum ItemType {
-    TYPE_COMMAND,
-    TYPE_CHECK,
-    TYPE_RADIO,
-    TYPE_SEPARATOR,
-    TYPE_BUTTON_ITEM,
-    TYPE_SUBMENU
-  };
-
-  virtual ~MenuModel() {}
-
-  // Returns true if any of the items within the model have icons. Not all
-  // platforms support icons in menus natively and so this is a hint for
-  // triggering a custom rendering mode.
-  virtual bool HasIcons() const = 0;
-
-  // Returns the number of items in the menu.
-  virtual int GetItemCount() const = 0;
-
-  // Returns the type of item at the specified index.
-  virtual ItemType GetTypeAt(int index) const = 0;
-
-  // Returns the separator type at the specified index.
-  virtual ui::MenuSeparatorType GetSeparatorTypeAt(int index) const = 0;
-
-  // Returns the command id of the item at the specified index.
-  virtual int GetCommandIdAt(int index) const = 0;
-
-  // Returns the label of the item at the specified index.
-  virtual base::string16 GetLabelAt(int index) const = 0;
-
-  // Returns the sublabel of the item at the specified index. The sublabel
-  // is rendered beneath the label and using the font GetLabelFontAt().
-  virtual base::string16 GetSublabelAt(int index) const;
-
-  // Returns the minor text of the item at the specified index. The minor text
-  // is rendered to the right of the label and using the font GetLabelFontAt().
-  virtual base::string16 GetMinorTextAt(int index) const;
-
-  // Returns true if the menu item (label/sublabel/icon) at the specified
-  // index can change over the course of the menu's lifetime. If this function
-  // returns true, the label, sublabel and icon of the menu item will be
-  // updated each time the menu is shown.
-  virtual bool IsItemDynamicAt(int index) const = 0;
-
-  // Returns the font list used for the label at the specified index.
-  // If NULL, then the default font list should be used.
-  virtual const gfx::FontList* GetLabelFontListAt(int index) const;
-
-  // Gets the acclerator information for the specified index, returning true if
-  // there is a shortcut accelerator for the item, false otherwise.
-  virtual bool GetAcceleratorAt(int index,
-                                ui::Accelerator* accelerator) const = 0;
-
-  // Returns the checked state of the item at the specified index.
-  virtual bool IsItemCheckedAt(int index) const = 0;
-
-  // Returns the id of the group of radio items that the item at the specified
-  // index belongs to.
-  virtual int GetGroupIdAt(int index) const = 0;
-
-  // Gets the icon for the item at the specified index, returning true if there
-  // is an icon, false otherwise.
-  virtual bool GetIconAt(int index, gfx::Image* icon) = 0;
-
-  // Returns the model for a menu item with a line of buttons at |index|.
-  virtual ButtonMenuItemModel* GetButtonMenuItemAt(int index) const = 0;
-
-  // Returns the enabled state of the item at the specified index.
-  virtual bool IsEnabledAt(int index) const = 0;
-
-  // Returns true if the menu item is visible.
-  virtual bool IsVisibleAt(int index) const;
-
-  // Returns the model for the submenu at the specified index.
-  virtual MenuModel* GetSubmenuModelAt(int index) const = 0;
-
-  // Called when the highlighted menu item changes to the item at the specified
-  // index.
-  virtual void HighlightChangedTo(int index) = 0;
-
-  // Called when the item at the specified index has been activated.
-  virtual void ActivatedAt(int index) = 0;
-
-  // Called when the item has been activated with given event flags.
-  // (for the case where the activation involves a navigation).
-  // |event_flags| is a bit mask of ui::EventFlags.
-  virtual void ActivatedAt(int index, int event_flags);
-
-  // Called when the menu is about to be shown.
-  virtual void MenuWillShow() {}
-
-  // Called when the menu has been closed.
-  virtual void MenuClosed() {}
-
-  // Set the MenuModelDelegate. Owned by the caller of this function.
-  virtual void SetMenuModelDelegate(MenuModelDelegate* delegate) = 0;
-
-  // Gets the MenuModelDelegate.
-  virtual MenuModelDelegate* GetMenuModelDelegate() const = 0;
-
-  // Retrieves the model and index that contains a specific command id. Returns
-  // true if an item with the specified command id is found. |model| is inout,
-  // and specifies the model to start searching from.
-  static bool GetModelAndIndexForCommandId(int command_id,
-                                           MenuModel** model,
-                                           int* index);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_MODELS_MENU_MODEL_H_