third_party/blink/renderer/core/layout/layout_deprecated_flexible_box.h

/*
 * This file is part of the layout object implementation for KHTML.
 *
 * Copyright (C) 2003 Apple Computer, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_DEPRECATED_FLEXIBLE_BOX_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_DEPRECATED_FLEXIBLE_BOX_H_

#include "third_party/blink/renderer/core/layout/layout_block.h"

namespace blink {

class FlexBoxIterator;

class LayoutDeprecatedFlexibleBox final : public LayoutBlock {
 public:
  LayoutDeprecatedFlexibleBox(Element&);
  ~LayoutDeprecatedFlexibleBox() override;

  const char* GetName() const override { return "LayoutDeprecatedFlexibleBox"; }

  void StyleWillChange(StyleDifference,
                       const ComputedStyle& new_style) override;

  void UpdateBlockLayout(bool relayout_children) override;
  void LayoutHorizontalBox(bool relayout_children);
  void LayoutVerticalBox(bool relayout_children);

  bool IsDeprecatedFlexibleBox() const override { return true; }
  bool IsStretchingChildren() const { return stretching_children_; }

  void PlaceChild(LayoutBox* child, const LayoutPoint& location);

 private:
  void ComputeIntrinsicLogicalWidths(
      LayoutUnit& min_logical_width,
      LayoutUnit& max_logical_width) const override;

  LayoutUnit AllowedChildFlex(LayoutBox* child, bool expanding);

  bool IsVertical() const {
    return StyleRef().BoxOrient() == EBoxOrient::kVertical;
  }
  bool IsHorizontal() const {
    return StyleRef().BoxOrient() == EBoxOrient::kHorizontal;
  }

  void ApplyLineClamp(FlexBoxIterator&, bool relayout_children);
  void ClearLineClamp();

  bool stretching_children_;
};

DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutDeprecatedFlexibleBox,
                                IsDeprecatedFlexibleBox());

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_DEPRECATED_FLEXIBLE_BOX_H_