21949e2f0c
Sometimes the MenuHost would crash when the window is closed, the author didn't recommend using MenuRunner on stack, but since we always run the menu synchronously, this is no problem.
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// Copyright (c) 2014 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_BROWSER_UI_VIEWS_MENU_DELEGATE_H_
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#define ATOM_BROWSER_UI_VIEWS_MENU_DELEGATE_H_
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#include <vector>
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#include "ui/views/controls/menu/menu_delegate.h"
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namespace views {
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class MenuModelAdapter;
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}
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namespace ui {
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class MenuModel;
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}
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namespace atom {
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class MenuBar;
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class MenuDelegate : public views::MenuDelegate {
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public:
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explicit MenuDelegate(MenuBar* menu_bar);
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virtual ~MenuDelegate();
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void RunMenu(ui::MenuModel* model, views::MenuButton* button);
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protected:
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// views::MenuDelegate:
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virtual void ExecuteCommand(int id) OVERRIDE;
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virtual void ExecuteCommand(int id, int mouse_event_flags) OVERRIDE;
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virtual bool IsTriggerableEvent(views::MenuItemView* source,
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const ui::Event& e) OVERRIDE;
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virtual bool GetAccelerator(int id,
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ui::Accelerator* accelerator) OVERRIDE;
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virtual base::string16 GetLabel(int id) const OVERRIDE;
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virtual const gfx::FontList* GetLabelFontList(int id) const OVERRIDE;
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virtual bool IsCommandEnabled(int id) const OVERRIDE;
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virtual bool IsItemChecked(int id) const OVERRIDE;
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virtual void SelectionChanged(views::MenuItemView* menu) OVERRIDE;
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virtual void WillShowMenu(views::MenuItemView* menu) OVERRIDE;
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virtual void WillHideMenu(views::MenuItemView* menu) OVERRIDE;
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virtual views::MenuItemView* GetSiblingMenu(
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views::MenuItemView* menu,
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const gfx::Point& screen_point,
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views::MenuItemView::AnchorPosition* anchor,
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bool* has_mnemonics,
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views::MenuButton** button);
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private:
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// Gets the cached menu item view from the model.
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views::MenuItemView* BuildMenu(ui::MenuModel* model);
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// Returns delegate for current item.
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views::MenuDelegate* delegate() const { return delegates_[id_]; }
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MenuBar* menu_bar_;
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// Current item's id.
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int id_;
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// Cached menu items, managed by MenuRunner.
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std::vector<views::MenuItemView*> items_;
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// Cached menu delegates for each menu item, managed by us.
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std::vector<views::MenuDelegate*> delegates_;
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DISALLOW_COPY_AND_ASSIGN(MenuDelegate);
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};
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} // namespace atom
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#endif // ATOM_BROWSER_UI_VIEWS_MENU_DELEGATE_H_
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