GridFormattingContext.h 1.6 KB

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  1. /*
  2. * Copyright (c) 2022, Martin Falisse <mfalisse@outlook.com>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <LibWeb/Layout/BlockFormattingContext.h>
  8. #include <LibWeb/Layout/Box.h>
  9. #include <LibWeb/Layout/FormattingContext.h>
  10. namespace Web::Layout {
  11. class GridFormattingContext final : public BlockFormattingContext {
  12. public:
  13. explicit GridFormattingContext(LayoutState&, BlockContainer const&, FormattingContext* parent);
  14. ~GridFormattingContext();
  15. virtual void run(Box const&, LayoutMode, AvailableSpace const& available_space) override;
  16. virtual float automatic_content_height() const override;
  17. private:
  18. float m_automatic_content_height { 0 };
  19. bool is_auto_positioned_row(CSS::GridTrackPlacement const&, CSS::GridTrackPlacement const&) const;
  20. bool is_auto_positioned_column(CSS::GridTrackPlacement const&, CSS::GridTrackPlacement const&) const;
  21. bool is_auto_positioned_track(CSS::GridTrackPlacement const&, CSS::GridTrackPlacement const&) const;
  22. };
  23. class OccupationGrid {
  24. public:
  25. OccupationGrid(int column_count, int row_count);
  26. void maybe_add_column(int needed_number_of_columns);
  27. void maybe_add_row(int needed_number_of_rows);
  28. void set_occupied(int column_start, int column_end, int row_start, int row_end);
  29. void set_occupied(int column_index, int row_index);
  30. int column_count() { return static_cast<int>(m_occupation_grid[0].size()); }
  31. int row_count() { return static_cast<int>(m_occupation_grid.size()); }
  32. bool is_occupied(int column_index, int row_index);
  33. private:
  34. Vector<Vector<bool>> m_occupation_grid;
  35. };
  36. }