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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_FRAME_APP_MENU_BUTTON_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_APP_MENU_BUTTON_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "base/timer/elapsed_timer.h"
#include "chrome/browser/ui/views/toolbar/toolbar_button.h"
#include "components/user_education/common/feature_promo/feature_promo_handle.h"
#include "ui/base/metadata/metadata_header_macros.h"
class AppMenu;
class AppMenuButtonObserver;
class AppMenuModel;
class Browser;
namespace views {
class MenuButtonController;
} // namespace views
// The app menu button lives in the top right of browser windows. It shows three
// dots and adds a status badge when there's a need to alert the user. Clicking
// displays the app menu.
class AppMenuButton : public ToolbarButton {
METADATA_HEADER(AppMenuButton, ToolbarButton)
public:
explicit AppMenuButton(PressedCallback callback);
AppMenuButton(const AppMenuButton&) = delete;
AppMenuButton& operator=(const AppMenuButton&) = delete;
~AppMenuButton() override;
views::MenuButtonController* menu_button_controller() const {
return menu_button_controller_;
}
void AddObserver(AppMenuButtonObserver* observer);
void RemoveObserver(AppMenuButtonObserver* observer);
// Closes the app menu, if it's open.
void CloseMenu();
// Called by the app menu when it closes.
void OnMenuClosed();
// Whether the app menu is currently showing.
bool IsMenuShowing() const;
void SetMenuTimerForTesting(base::ElapsedTimer timer);
AppMenu* app_menu() { return menu_.get(); }
AppMenuModel* app_menu_model() { return menu_model_.get(); }
protected:
// Show the menu. |menu_model| should be a newly created AppMenuModel. The
// other params are forwarded to the created AppMenu.
void RunMenu(std::unique_ptr<AppMenuModel> menu_model,
Browser* browser,
int run_flags);
private:
// App model and menu.
// Note that the menu should be destroyed before the model it uses, so the
// menu should be listed later.
// TODO(mgiuca): Simplify this model so that correctness does not depend on
// destruction order. https://crbug.com/831902
std::unique_ptr<AppMenuModel> menu_model_;
std::unique_ptr<AppMenu> menu_;
base::ObserverList<AppMenuButtonObserver>::Unchecked observer_list_;
raw_ptr<views::MenuButtonController> menu_button_controller_;
user_education::FeaturePromoHandle promo_handle_;
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_APP_MENU_BUTTON_H_
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