chromium/src/third_party/blink/renderer/core/layout/ng/table/ng_table_fragment_data.h

// Copyright 2020 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 THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_TABLE_NG_TABLE_FRAGMENT_DATA_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_TABLE_NG_TABLE_FRAGMENT_DATA_H_

#include "third_party/blink/renderer/core/layout/ng/ng_layout_input_node.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/platform/geometry/layout_unit.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

class NGTableFragmentData {
 public:
  // COLGROUP/COL geometry information. Used for painting column backgrounds.
  // Only present if column has a background.
  struct ColumnGeometry {
    ColumnGeometry(wtf_size_t start_column,
                   wtf_size_t span,
                   LayoutUnit inline_offset,
                   LayoutUnit inline_size,
                   NGLayoutInputNode node)
        : start_column(start_column),
          span(span),
          inline_offset(inline_offset),
          inline_size(inline_size),
          node(node) {}
    wtf_size_t start_column;
    wtf_size_t span;
    LayoutUnit inline_offset;
    LayoutUnit inline_size;
    NGLayoutInputNode node;
  };

  using ColumnGeometries = Vector<ColumnGeometry>;

  // Column/row location is used for collapsed border painting.
  // Only present if borders are collapsed.
  struct CollapsedBordersGeometry {
    Vector<LayoutUnit> columns;  // Column offsets from table grid border.
    Vector<LayoutUnit> rows;     // Row offsets from table grid border.

#if DCHECK_IS_ON()
    void CheckSameForSimplifiedLayout(
        const CollapsedBordersGeometry& other) const {
      DCHECK(columns == other.columns);
      DCHECK(rows == other.rows);
    }
#endif
  };
};

}  // namespace blink

WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(
    blink::NGTableFragmentData::ColumnGeometry)

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_TABLE_NG_TABLE_FRAGMENT_DATA_H_