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Use LazyCells instead of callbacks when resolving size keywords (#34211)

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In most cases we already had a LazyCell anyways, since we could need the
value for multiple properties. Instead of passing a callback that forces
the evaluation of the LazyCell, it's simpler to just pass the LazyCell
directly.

Also, this way we no longer need mutable references.

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Oriol Brufau 2024-11-11 17:26:20 +01:00 • committed by GitHub
parent 5423e622ed
commit 6a62d52cbb
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GPG key ID: B5690EEEBB952194
4 changed files with 75 additions and 78 deletions
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43
components/layout_2020/replaced.rs
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@ -29,7 +29,7 @@ use crate::context::LayoutContext;
use crate::dom::NodeExt;
use crate::fragment_tree::{BaseFragmentInfo, Fragment, IFrameFragment, ImageFragment};
use crate::geom::{LogicalVec2, PhysicalPoint, PhysicalRect, PhysicalSize, Size};
use crate::sizing::InlineContentSizesResult;
use crate::sizing::{ContentSizes, InlineContentSizesResult};
use crate::style_ext::{AspectRatio, Clamp, ComputedValuesExt, ContentBoxSizesAndPBM};
use crate::{ConstraintSpace, ContainingBlock, IndefiniteContainingBlock, SizeConstraint};
@ -561,21 +561,21 @@ impl ReplacedContent {
&get_block_size,
&get_inline_fallback_size,
)
.into()
});
let block_content_size = LazyCell::new(|| {
let block_content_size = LazyCell::new(|| -> ContentSizes {
let get_inline_size = || {
let mut get_inline_content_size = || (*inline_content_size).into();
SizeConstraint::new(
box_size
.inline
.maybe_resolve_extrinsic(Some(inline_stretch_size)),
min_box_size
.inline
.resolve_non_initial(inline_stretch_size, &mut get_inline_content_size)
.resolve_non_initial(inline_stretch_size, &inline_content_size)
.unwrap_or_default(),
max_box_size
.inline
.resolve_non_initial(inline_stretch_size, &mut get_inline_content_size),
.resolve_non_initial(inline_stretch_size, &inline_content_size),
)
};
self.content_size(
@ -584,36 +584,35 @@ impl ReplacedContent {
&get_inline_size,
&get_block_fallback_size,
)
.into()
});
let mut get_inline_content_size = || (*inline_content_size).into();
let mut get_block_content_size = || (*block_content_size).into();
let block_stretch_size = block_stretch_size.unwrap_or_else(|| *block_content_size);
let block_stretch_size =
block_stretch_size.unwrap_or_else(|| block_content_size.max_content);
// <https://drafts.csswg.org/css-sizing-3/#sizing-properties>
let preferred_inline = box_size.inline.resolve(
Size::FitContent,
inline_stretch_size,
&mut get_inline_content_size,
);
let preferred_block = box_size.block.resolve(
Size::FitContent,
block_stretch_size,
&mut get_block_content_size,
);
let preferred_inline =
box_size
.inline
.resolve(Size::FitContent, inline_stretch_size, &inline_content_size);
let preferred_block =
box_size
.block
.resolve(Size::FitContent, block_stretch_size, &block_content_size);
let min_inline = min_box_size
.inline
.resolve_non_initial(inline_stretch_size, &mut get_inline_content_size)
.resolve_non_initial(inline_stretch_size, &inline_content_size)
.unwrap_or_default();
let min_block = min_box_size
.block
.resolve_non_initial(block_stretch_size, &mut get_block_content_size)
.resolve_non_initial(block_stretch_size, &block_content_size)
.unwrap_or_default();
let max_inline = max_box_size
.inline
.resolve_non_initial(inline_stretch_size, &mut get_inline_content_size);
.resolve_non_initial(inline_stretch_size, &inline_content_size);
let max_block = max_box_size
.block
.resolve_non_initial(block_stretch_size, &mut get_block_content_size);
.resolve_non_initial(block_stretch_size, &block_content_size);
LogicalVec2 {
inline: preferred_inline.clamp_between_extremums(min_inline, max_inline),
block: preferred_block.clamp_between_extremums(min_block, max_block),