electron/shell/browser/ui/views/menu_bar.h
2020-10-20 11:24:52 -07:00

112 lines
3 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_BAR_H_
#define SHELL_BROWSER_UI_VIEWS_MENU_BAR_H_
#include <memory>
#include "shell/browser/ui/electron_menu_model.h"
#include "shell/browser/ui/views/menu_delegate.h"
#include "shell/browser/ui/views/root_view.h"
#include "ui/views/accessible_pane_view.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/focus/focus_manager.h"
#include "ui/views/view.h"
namespace views {
class Button;
class MenuButton;
} // namespace views
namespace electron {
class MenuBarColorUpdater : public views::FocusChangeListener {
public:
explicit MenuBarColorUpdater(MenuBar* menu_bar);
~MenuBarColorUpdater() override;
void OnDidChangeFocus(views::View* focused_before,
views::View* focused_now) override;
void OnWillChangeFocus(views::View* focused_before,
views::View* focused_now) override {}
private:
MenuBar* menu_bar_;
};
class MenuBar : public views::AccessiblePaneView,
public views::ButtonListener,
public electron::MenuDelegate::Observer {
public:
static const char kViewClassName[];
explicit MenuBar(RootView* window);
~MenuBar() override;
// Replaces current menu with a new one.
void SetMenu(ElectronMenuModel* menu_model);
// Shows underline under accelerators.
void SetAcceleratorVisibility(bool visible);
// Returns true if the submenu has accelerator |key|
bool HasAccelerator(base::char16 key);
// Shows the submenu whose accelerator is |key|.
void ActivateAccelerator(base::char16 key);
// Returns there are how many items in the root menu.
int GetItemCount() const;
// Get the menu under specified screen point.
bool GetMenuButtonFromScreenPoint(const gfx::Point& point,
ElectronMenuModel** menu_model,
views::MenuButton** button);
// electron::MenuDelegate::Observer:
void OnBeforeExecuteCommand() override;
void OnMenuClosed() override;
// views::AccessiblePaneView:
bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
bool SetPaneFocus(views::View* initial_focus) override;
void RemovePaneFocus() override;
void OnThemeChanged() override;
protected:
// views::View:
const char* GetClassName() const override;
// views::ButtonListener:
void ButtonPressed(views::Button* source, const ui::Event& event) override;
private:
friend class MenuBarColorUpdater;
void RebuildChildren();
void UpdateViewColors();
void RefreshColorCache();
SkColor background_color_;
#if defined(OS_LINUX)
SkColor enabled_color_;
SkColor disabled_color_;
#endif
RootView* window_ = nullptr;
ElectronMenuModel* menu_model_ = nullptr;
View* FindAccelChild(base::char16 key);
bool has_focus_ = true;
std::unique_ptr<MenuBarColorUpdater> color_updater_;
DISALLOW_COPY_AND_ASSIGN(MenuBar);
};
} // namespace electron
#endif // SHELL_BROWSER_UI_VIEWS_MENU_BAR_H_