electron/shell/browser/ui/views/menu_delegate.h

83 lines
2.6 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef SHELL_BROWSER_UI_VIEWS_MENU_DELEGATE_H_
#define SHELL_BROWSER_UI_VIEWS_MENU_DELEGATE_H_
#include <memory>
#include "base/observer_list.h"
#include "shell/browser/ui/electron_menu_model.h"
#include "ui/views/controls/menu/menu_delegate.h"
namespace views {
class MenuRunner;
class Button;
} // namespace views
namespace electron {
class MenuBar;
class MenuDelegate : public views::MenuDelegate {
public:
explicit MenuDelegate(MenuBar* menu_bar);
~MenuDelegate() override;
// disable copy
MenuDelegate(const MenuDelegate&) = delete;
MenuDelegate& operator=(const MenuDelegate&) = delete;
void RunMenu(ElectronMenuModel* model,
views::Button* button,
ui::MenuSourceType source_type);
class Observer {
public:
virtual void OnBeforeExecuteCommand() = 0;
virtual void OnMenuClosed() = 0;
};
void AddObserver(Observer* obs) { observers_.AddObserver(obs); }
void RemoveObserver(const Observer* obs) { observers_.RemoveObserver(obs); }
protected:
// views::MenuDelegate:
void ExecuteCommand(int id) override;
void ExecuteCommand(int id, int mouse_event_flags) override;
bool IsTriggerableEvent(views::MenuItemView* source,
const ui::Event& e) override;
bool GetAccelerator(int id, ui::Accelerator* accelerator) const override;
std::u16string GetLabel(int id) const override;
const gfx::FontList* GetLabelFontList(int id) const override;
absl::optional<SkColor> GetLabelColor(int id) const override;
bool IsCommandEnabled(int id) const override;
bool IsCommandVisible(int id) const override;
bool IsItemChecked(int id) const override;
void WillShowMenu(views::MenuItemView* menu) override;
void WillHideMenu(views::MenuItemView* menu) override;
void OnMenuClosed(views::MenuItemView* menu) override;
views::MenuItemView* GetSiblingMenu(views::MenuItemView* menu,
const gfx::Point& screen_point,
views::MenuAnchorPosition* anchor,
bool* has_mnemonics,
views::MenuButton** button) override;
private:
MenuBar* menu_bar_;
int id_ = -1;
std::unique_ptr<views::MenuDelegate> adapter_;
std::unique_ptr<views::MenuRunner> menu_runner_;
// The menu button to switch to.
views::MenuButton* button_to_open_ = nullptr;
bool hold_first_switch_ = false;
base::ObserverList<Observer>::Unchecked observers_;
};
} // namespace electron
#endif // SHELL_BROWSER_UI_VIEWS_MENU_DELEGATE_H_