chrome/browser/ui/views/overlay/resize_handle_button.h

// Copyright 2018 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 CHROME_BROWSER_UI_VIEWS_OVERLAY_RESIZE_HANDLE_BUTTON_H_
#define CHROME_BROWSER_UI_VIEWS_OVERLAY_RESIZE_HANDLE_BUTTON_H_

#include "chrome/browser/ui/views/overlay/overlay_window_views.h"
#include "ui/views/controls/button/image_button.h"

namespace views {

// An image button representing a white resize handle affordance.
class ResizeHandleButton : public views::ImageButton {
 public:
  explicit ResizeHandleButton(ButtonListener*);
  ~ResizeHandleButton() override;

  void SetPosition(const gfx::Size& size,
                   OverlayWindowViews::WindowQuadrant quadrant);
  int GetHTComponent() const;

 private:
  void SetImageForQuadrant(OverlayWindowViews::WindowQuadrant quadrant);

  base::Optional<OverlayWindowViews::WindowQuadrant> current_quadrant_;

  DISALLOW_COPY_AND_ASSIGN(ResizeHandleButton);
};

}  // namespace views

#endif  // CHROME_BROWSER_UI_VIEWS_OVERLAY_RESIZE_HANDLE_BUTTON_H_