chrome/browser/ui/views/omnibox/omnibox_tab_switch_button.h

// Copyright (c) 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_OMNIBOX_OMNIBOX_TAB_SWITCH_BUTTON_H_
#define CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_TAB_SWITCH_BUTTON_H_

#include "ui/views/controls/button/md_text_button.h"

class OmniboxResultView;

class OmniboxTabSwitchButton : public views::MdTextButton {
 public:
  OmniboxTabSwitchButton(OmniboxResultView* result_view, int text_height);

  // views::View
  gfx::Size CalculatePreferredSize() const override;

  // views::Button
  void StateChanged(ButtonState old_state) override;

 private:
  // Encapsulates the color look-up, which uses the button state (hovered,
  // etc.) and consults the parent result view.
  SkColor GetBackgroundColor() const;

  // Encapsulates changing the color of the button to display being
  // pressed.
  void SetPressed();

  static constexpr int kVerticalPadding = 2;
  const int text_height_;
  OmniboxResultView* result_view_;

  DISALLOW_COPY_AND_ASSIGN(OmniboxTabSwitchButton);
};

#endif  // CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_TAB_SWITCH_BUTTON_H_