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layout: Generalize ContainingBlock's block size to a SizeConstraint (#34946)

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It used to be an `AuOrAuto`, turning it into a `SizeConstraint` allows
passing the information about the min and max constraints when the
containing block doesn't have a definite block size.

This will be useful for table layout.

Note that in most cases we were already constructing the containing
block from a `SizeConstraint`, but we were calling `to_auto_or()` to
turn it into an `AuOrAuto`.

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
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Oriol Brufau 2025-01-13 02:25:33 -08:00 • committed by GitHub
parent de780dcde4
commit f66cd172d6
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11 changed files with 71 additions and 69 deletions
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5
components/layout_2020/style_ext.rs
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@ -463,7 +463,10 @@ impl ComputedValuesExt for ComputedValues {
.min_box_size(containing_block.style.writing_mode)
.map_inline_and_block_sizes(
|lp| lp.to_used_value(containing_block.size.inline),
|lp| lp.to_used_value(containing_block.size.block.auto_is(Au::zero)),
|lp| {
let cbbs = containing_block.size.block.to_definite();
lp.to_used_value(cbbs.unwrap_or_else(Au::zero))
},
);
self.content_min_box_size_for_min_size(min_size, pbm)
}