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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>
This commit is contained in:
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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6
components/layout_2020/lib.rs
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@ -97,7 +97,7 @@ impl<'a> From<&'_ ContainingBlock<'a>> for IndefiniteContainingBlock {
Self {
size: LogicalVec2 {
inline: AuOrAuto::LengthPercentage(containing_block.size.inline),
block: containing_block.size.block,
block: containing_block.size.block.to_auto_or(),
},
writing_mode: containing_block.style.writing_mode,
}
@ -118,7 +118,7 @@ impl<'a> From<&'_ DefiniteContainingBlock<'a>> for IndefiniteContainingBlock {
#[derive(Debug, Serialize)]
pub(crate) struct ContainingBlockSize {
inline: Au,
block: AuOrAuto,
block: SizeConstraint,
}
pub(crate) struct ContainingBlock<'a> {
@ -136,7 +136,7 @@ impl<'a> From<&'_ DefiniteContainingBlock<'a>> for ContainingBlock<'a> {
ContainingBlock {
size: ContainingBlockSize {
inline: definite.size.inline,
block: AuOrAuto::LengthPercentage(definite.size.block),
block: SizeConstraint::Definite(definite.size.block),
},
style: definite.style,
}