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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_VIEWS_CONTROLS_MENU_MENU_HOST_ROOT_VIEW_H_
#define UI_VIEWS_CONTROLS_MENU_MENU_HOST_ROOT_VIEW_H_
#include "base/memory/raw_ptr.h"
#include "ui/views/widget/root_view.h"
namespace views {
class MenuController;
class SubmenuView;
// MenuHostRootView is the RootView of the window showing the menu.
// SubmenuView's scroll view is added as a child of MenuHostRootView.
// MenuHostRootView forwards relevant events to the MenuController.
//
// As all the menu items are owned by the root menu item, care must be taken
// such that when MenuHostRootView is deleted it doesn't delete the menu items.
class MenuHostRootView : public internal::RootView {
public:
METADATA_HEADER(MenuHostRootView);
MenuHostRootView(Widget* widget, SubmenuView* submenu);
MenuHostRootView(const MenuHostRootView&) = delete;
MenuHostRootView& operator=(const MenuHostRootView&) = delete;
void ClearSubmenu() { submenu_ = nullptr; }
// Overridden from View:
bool OnMousePressed(const ui::MouseEvent& event) override;
bool OnMouseDragged(const ui::MouseEvent& event) override;
void OnMouseReleased(const ui::MouseEvent& event) override;
void OnMouseMoved(const ui::MouseEvent& event) override;
bool OnMouseWheel(const ui::MouseWheelEvent& event) override;
View* GetTooltipHandlerForPoint(const gfx::Point& point) override;
void ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) override;
bool ProcessMousePressed(const ui::MouseEvent& event);
bool ProcessMouseDragged(const ui::MouseEvent& event);
void ProcessMouseReleased(const ui::MouseEvent& event);
void ProcessMouseMoved(const ui::MouseEvent& event);
View* ProcessGetTooltipHandlerForPoint(const gfx::Point& point);
private:
// ui::EventProcessor:
void OnEventProcessingFinished(ui::Event* event) override;
// Returns the MenuController for this MenuHostRootView.
MenuController* GetMenuController();
MenuController* GetMenuControllerForInputEvents();
// The SubmenuView we contain.
raw_ptr<SubmenuView> submenu_;
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_MENU_MENU_HOST_ROOT_VIEW_H_
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