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layout: Remove special height logic of replaced element with auto width (#35275)

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When computing the intrinsic block size of a replaced element with a
computed preferred inline size of `auto`, instead of transferring the
final inline size through the aspect ratio, we were only transferring
the min and max constraints.

We did this to match other browsers, but Ian Kilpatrick agreed that this
is a bug and plans to change Blink.

CSSWG issue: https://github.com/w3c/csswg-drafts/issues/11236

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Oriol Brufau 2025-03-13 01:57:26 +01:00 • committed by GitHub
parent e2daeeaceb
commit 98816b753c
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9 changed files with 80 additions and 114 deletions
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13
components/layout_2020/replaced.rs
View file

@ -535,7 +535,7 @@ impl ReplacedContents {
)
.into()
};
let (preferred_inline, min_inline, max_inline) = sizes.inline.resolve_each(
let inline_size = sizes.inline.resolve(
Direction::Inline,
automatic_size.inline,
Au::zero(),
@ -543,19 +543,10 @@ impl ReplacedContents {
get_inline_content_size,
false, /* is_table */
);
let inline_size = preferred_inline.clamp_between_extremums(min_inline, max_inline);
// Now we can compute the block size, using the inline size from above.
let block_content_size = LazyCell::new(|| -> ContentSizes {
let get_inline_size = || {
if sizes.inline.preferred.is_initial() {
// TODO: do we really need to special-case `auto`?
// https://github.com/w3c/csswg-drafts/issues/11236
SizeConstraint::MinMax(min_inline, max_inline)
} else {
SizeConstraint::Definite(inline_size)
}
};
let get_inline_size = || SizeConstraint::Definite(inline_size);
self.content_size(
Direction::Block,
preferred_aspect_ratio,