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LibWeb: Do not layout grid items during grid container intrinsic sizing

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There is not need to run layout inside grid items for intrinsic sizing
of grid container.
This commit is contained in:
Aliaksandr Kalenik 2023-05-15 15:54:25 +03:00 committed by Andreas Kling
parent 1ecbbadf3a
commit ae5bb13f1f
Notes: sideshowbarker 2024-07-16 20:21:48 +09:00 
Author: https://github.com/kalenikaliaksandr
Commit: https://github.com/SerenityOS/serenity/commit/ae5bb13f1f
Pull-request: https://github.com/SerenityOS/serenity/pull/18851
2 changed files with 16 additions and 8 deletions
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23
Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
View file

@ -1316,6 +1316,14 @@ void GridFormattingContext::place_grid_items(AvailableSpace const& available_spa
}
}
void GridFormattingContext::determine_grid_container_height()
{
CSSPixels total_y = 0;
for (auto& grid_row : m_grid_rows_and_gaps)
total_y += grid_row.full_vertical_size();
m_automatic_content_height = total_y;
}
void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const& available_space)
{
place_grid_items(available_space);
@ -1327,6 +1335,13 @@ void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const
run_track_sizing(available_space, GridDimension::Column);
run_track_sizing(available_space, GridDimension::Row);
determine_grid_container_height();
if (available_space.height.is_intrinsic_sizing_constraint() || available_space.width.is_intrinsic_sizing_constraint()) {
determine_intrinsic_size_of_grid_container(available_space);
return;
}
auto layout_box = [&](int row_start, int row_end, int column_start, int column_end, Box const& child_box) -> void {
if (column_start < 0 || row_start < 0)
return;
@ -1393,14 +1408,6 @@ void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const
grid_item.gap_adjusted_column(box) + resolved_column_span,
grid_item.box());
}
if (available_space.height.is_intrinsic_sizing_constraint() || available_space.width.is_intrinsic_sizing_constraint())
determine_intrinsic_size_of_grid_container(available_space);
CSSPixels total_y = 0;
for (auto& grid_row : m_grid_rows_and_gaps)
total_y += grid_row.full_vertical_size();
m_automatic_content_height = total_y;
}
void GridFormattingContext::determine_intrinsic_size_of_grid_container(AvailableSpace const& available_space)

1
Userland/Libraries/LibWeb/Layout/GridFormattingContext.h
View file

@ -167,6 +167,7 @@ private:
Vector<GridItem> m_grid_items;
Vector<JS::NonnullGCPtr<Box const>> m_boxes_to_place;
void determine_grid_container_height();
void determine_intrinsic_size_of_grid_container(AvailableSpace const& available_space);
AvailableSize get_free_space(AvailableSpace const&, GridDimension const) const;