chromium/chrome/browser/ui/views/tabs/tab_strip_layout_helper.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_STRIP_LAYOUT_HELPER_H_
#define CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_LAYOUT_HELPER_H_

#include <optional>
#include <vector>

#include "base/functional/callback.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ref.h"
#include "chrome/browser/ui/tabs/tab_types.h"
#include "chrome/browser/ui/views/tabs/tab_layout_state.h"
#include "chrome/browser/ui/views/tabs/tab_slot_view.h"
#include "chrome/browser/ui/views/tabs/tab_strip_layout.h"
#include "chrome/browser/ui/views/tabs/tab_width_constraints.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/views/view_model.h"

class Tab;
class TabGroupHeader;
class TabContainerController;

namespace tab_groups {
class TabGroupId;
}

// Helper class for TabStrip, that is responsible for calculating and assigning
// layouts for tabs and group headers. It tracks animations and changes to the
// model so that it has all necessary information for layout purposes.
class TabStripLayoutHelper { … };

#endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_STRIP_LAYOUT_HELPER_H_