electron/atom/browser/ui/views/menu_delegate.h
2014-07-28 20:28:53 +08:00

74 lines
2.2 KiB
C++

// Copyright (c) 2014 GitHub, Inc. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_UI_VIEWS_MENU_DELEGATE_H_
#define ATOM_BROWSER_UI_VIEWS_MENU_DELEGATE_H_
#include <vector>
#include "ui/views/controls/menu/menu_delegate.h"
namespace views {
class MenuModelAdapter;
}
namespace ui {
class MenuModel;
}
namespace atom {
class MenuBar;
class MenuDelegate : public views::MenuDelegate {
public:
explicit MenuDelegate(MenuBar* menu_bar);
virtual ~MenuDelegate();
void RunMenu(ui::MenuModel* model, views::MenuButton* button);
protected:
// views::MenuDelegate:
virtual void ExecuteCommand(int id) OVERRIDE;
virtual void ExecuteCommand(int id, int mouse_event_flags) OVERRIDE;
virtual bool IsTriggerableEvent(views::MenuItemView* source,
const ui::Event& e) OVERRIDE;
virtual bool GetAccelerator(int id,
ui::Accelerator* accelerator) OVERRIDE;
virtual base::string16 GetLabel(int id) const OVERRIDE;
virtual const gfx::FontList* GetLabelFontList(int id) const OVERRIDE;
virtual bool IsCommandEnabled(int id) const OVERRIDE;
virtual bool IsItemChecked(int id) const OVERRIDE;
virtual void SelectionChanged(views::MenuItemView* menu) OVERRIDE;
virtual void WillShowMenu(views::MenuItemView* menu) OVERRIDE;
virtual void WillHideMenu(views::MenuItemView* menu) OVERRIDE;
virtual views::MenuItemView* GetSiblingMenu(
views::MenuItemView* menu,
const gfx::Point& screen_point,
views::MenuAnchorPosition* anchor,
bool* has_mnemonics,
views::MenuButton** button);
private:
// Gets the cached menu item view from the model.
views::MenuItemView* BuildMenu(ui::MenuModel* model);
// Returns delegate for current item.
views::MenuDelegate* delegate() const { return delegates_[id_]; }
MenuBar* menu_bar_;
// Current item's id.
int id_;
// Cached menu items, managed by MenuRunner.
std::vector<views::MenuItemView*> items_;
// Cached menu delegates for each menu item, managed by us.
std::vector<views::MenuDelegate*> delegates_;
DISALLOW_COPY_AND_ASSIGN(MenuDelegate);
};
} // namespace atom
#endif // ATOM_BROWSER_UI_VIEWS_MENU_DELEGATE_H_