chromium/chrome/browser/ui/views/tabs/tab_group_underline.h

// Copyright 2019 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_TABS_TAB_GROUP_UNDERLINE_H_
#define CHROME_BROWSER_UI_VIEWS_TABS_TAB_GROUP_UNDERLINE_H_

#include "base/memory/raw_ptr.h"
#include "components/tab_groups/tab_group_id.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/controls/focus_ring.h"
#include "ui/views/view.h"

class TabGroupViews;
class TabGroupStyle;

// View for tab group underlines in the tab strip, which are markers of group
// members. Underlines are included in the tab
// strip flow and positioned across all tabs in the group, as well as the group
// header. There is one underline for the tabs in the TabContainer, and another
// for any tabs in the group that are being dragged. These merge visually into a
// single underline, but must be separate views so that paint order requirements
// can be met.
class TabGroupUnderline : public views::View { … };

#endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_GROUP_UNDERLINE_H_