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LibWeb: Implement grid container intrinsic sizes calculation
When a width/height constraint is applied to GFC it should set its own width/height to the sum of track sizes according to the spec. Changes in layout tests are improvement over what we had before.
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4 changed files with 34 additions and 6 deletions
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@ -1487,12 +1487,38 @@ void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const
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grid_item.box());
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}
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if (available_space.height.is_intrinsic_sizing_constraint() || available_space.width.is_intrinsic_sizing_constraint())
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determine_intrinsic_size_of_grid_container(available_space);
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CSSPixels total_y = 0;
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for (auto& grid_row : m_grid_rows)
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total_y += grid_row.full_vertical_size();
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m_automatic_content_height = total_y;
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}
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void GridFormattingContext::determine_intrinsic_size_of_grid_container(AvailableSpace const& available_space)
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{
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// https://www.w3.org/TR/css-grid-1/#intrinsic-sizes
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// The max-content size (min-content size) of a grid container is the sum of the grid container’s track sizes
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// (including gutters) in the appropriate axis, when the grid is sized under a max-content constraint (min-content constraint).
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if (available_space.height.is_intrinsic_sizing_constraint()) {
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CSSPixels grid_container_height = 0;
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for (auto& track : m_grid_rows) {
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grid_container_height += track.full_vertical_size();
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}
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m_state.get_mutable(grid_container()).set_content_height(grid_container_height);
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}
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if (available_space.width.is_intrinsic_sizing_constraint()) {
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CSSPixels grid_container_width = 0;
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for (auto& track : m_grid_columns) {
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grid_container_width += track.full_horizontal_size();
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}
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m_state.get_mutable(grid_container()).set_content_width(grid_container_width);
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}
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}
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CSSPixels GridFormattingContext::automatic_content_width() const
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{
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return greatest_child_width(context_box());
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