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// Copyright 2023 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_TOOLBAR_OVERFLOW_BUTTON_H_
#define CHROME_BROWSER_UI_VIEWS_TOOLBAR_OVERFLOW_BUTTON_H_
#include "chrome/browser/ui/views/toolbar/toolbar_button.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/controls/button/menu_button_controller.h"
#include "ui/views/controls/menu/menu_runner.h"
class ToolbarController;
// A chevron button that indicates some toolbar elements have overflowed due to
// browser window being smaller than usual. Left press on it displays a drop
// down list of overflowed elements.
class OverflowButton : public ToolbarButton {
METADATA_HEADER(OverflowButton, ToolbarButton)
public:
OverflowButton();
OverflowButton(const OverflowButton&) = delete;
OverflowButton& operator=(const OverflowButton&) = delete;
~OverflowButton() override;
// Triggered by left press.
void RunMenu();
views::MenuButtonController* menu_button_controller() {
return menu_button_controller_;
}
void set_toolbar_controller(ToolbarController* toolbar_controller) {
toolbar_controller_ = toolbar_controller;
}
private:
raw_ptr<views::MenuButtonController> menu_button_controller_;
// The controller is used for handling the click event and should be set
// before `RunMenu()` can be called. This is owned by the ToolbarView which is
// also the parent of `this`.
raw_ptr<ToolbarController> toolbar_controller_ = nullptr;
};
#endif // CHROME_BROWSER_UI_VIEWS_TOOLBAR_OVERFLOW_BUTTON_H_
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