// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_TABLE_TABLE_NODE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_TABLE_TABLE_NODE_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/layout/block_node.h"
#include "third_party/blink/renderer/core/layout/table/table_borders.h"
#include "third_party/blink/renderer/core/layout/table/table_layout_algorithm_types.h"

namespace blink {

// Table specific extensions to BlockNode.
class CORE_EXPORT TableNode final : public BlockNode {
 public:
  explicit TableNode(LayoutBox* box) : BlockNode(box) {}

  const BoxStrut& GetTableBordersStrut() const;

  const TableBorders* GetTableBorders() const;

  LayoutUnit ComputeCaptionBlockSize(const ConstraintSpace& space) const;

  scoped_refptr<const TableTypes::Columns> GetColumnConstraints(
      const TableGroupedChildren&,
      const BoxStrut& border_padding) const;

  LayoutUnit ComputeTableInlineSize(const ConstraintSpace&,
                                    const BoxStrut& border_padding) const;

  // Tables are special in that their max intrinsic-size can be "infinite"
  // (they should consume as much space as possible). However a lot of layout
  // modes (flex/grid) don't deal well with "infinite" max intrinsic-size, so
  // we disable this behaviour whenever we are an arbitrary descendant of one
  // of these layout modes.
  //
  // TODO(layout-dev): This isn't ideal, as we may have a fixed inline-size
  // parent where an "infinite" size would be fine.
  bool AllowColumnPercentages(bool is_layout_pass) const;
};

template <>
struct DowncastTraits<TableNode> {
  static bool AllowFrom(const LayoutInputNode& node) { return node.IsTable(); }
};

}  // namespace blink
#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_TABLE_TABLE_NODE_H_