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// Copyright 2014 The Chromium Authors
// 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_RUNNER_IMPL_H_
#define UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_H_
#include <stdint.h>
#include <memory>
#include <set>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "ui/base/mojom/menu_source_type.mojom-shared.h"
#include "ui/views/controls/menu/menu_controller_delegate.h"
#include "ui/views/controls/menu/menu_runner_impl_interface.h"
#include "ui/views/views_export.h"
namespace gfx {
class RoundedCornersF;
} // namespace gfx
namespace views {
class MenuController;
class MenuDelegate;
class MenuItemView;
namespace test {
class MenuRunnerDestructionTest;
} // namespace test
namespace internal {
// A menu runner implementation that uses views::MenuItemView to show a menu.
class VIEWS_EXPORT MenuRunnerImpl : public MenuRunnerImplInterface,
public MenuControllerDelegate {
public:
explicit MenuRunnerImpl(std::unique_ptr<MenuItemView> menu);
MenuRunnerImpl(const MenuRunnerImpl&) = delete;
MenuRunnerImpl& operator=(const MenuRunnerImpl&) = delete;
bool IsRunning() const override;
void Release() override;
using MenuRunnerImplInterface::RunMenuAt;
void RunMenuAt(
Widget* parent,
MenuButtonController* button_controller,
const gfx::Rect& bounds,
MenuAnchorPosition anchor,
ui::mojom::MenuSourceType source_type,
int32_t run_types,
gfx::NativeView native_view_for_gestures,
std::optional<gfx::RoundedCornersF> corners,
std::optional<std::string> show_menu_host_duration_histogram) override;
void Cancel() override;
base::TimeTicks GetClosingEventTime() const override;
// MenuControllerDelegate:
void OnMenuClosed(NotifyType type,
MenuItemView* menu,
int mouse_event_flags) override;
void SiblingMenuCreated(MenuItemView* menu) override;
private:
friend class ::views::test::MenuRunnerDestructionTest;
~MenuRunnerImpl() override;
// Returns true if mnemonics should be shown in the menu.
bool ShouldShowMnemonics(int32_t run_types);
// Created and set as the delegate of the MenuItemView if Release() is
// invoked. This is done to make sure the delegate isn't notified after
// Release() is invoked. We do this as we assume the delegate is no longer
// valid if MenuRunner has been deleted.
std::unique_ptr<MenuDelegate> empty_delegate_;
// The menu.
std::unique_ptr<MenuItemView> menu_;
// Any sibling menus. Does not include |menu_|. We own these too.
std::set<raw_ptr<MenuItemView, SetExperimental>> sibling_menus_;
// Are we in run waiting for it to return?
bool running_ = false;
// Set if |running_| and Release() has been invoked.
bool delete_after_run_ = false;
// Are we running for a drop?
bool for_drop_ = false;
// The controller.
base::WeakPtr<MenuController> controller_;
// Do we own the controller?
bool owns_controller_ = false;
// The timestamp of the event which closed the menu - or 0.
base::TimeTicks closing_event_time_;
// Used to detect deletion of |this| when notifying delegate of success.
base::WeakPtrFactory<MenuRunnerImpl> weak_factory_{this};
};
} // namespace internal
} // namespace views
#endif // UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_IMPL_H_
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