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Make outer_inline and outer_inline_and_percentages free functions

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They now take a closure that will compute the content sizes on demand.
This commit is contained in:
Anthony Ramine 2020-06-15 13:35:46 +02:00
parent d0a1066d2d
commit 07d8c28d4a
3 changed files with 97 additions and 97 deletions
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18
components/layout_2020/flow/construct.rs
View file

@ -14,7 +14,7 @@ use crate::flow::{BlockContainer, BlockFormattingContext, BlockLevelBox};
use crate::formatting_contexts::IndependentFormattingContext;
use crate::fragments::Tag;
use crate::positioned::AbsolutelyPositionedBox;
use crate::sizing::{BoxContentSizes, ContentSizes, ContentSizesRequest};
use crate::sizing::{self, BoxContentSizes, ContentSizes, ContentSizesRequest};
use crate::style_ext::{ComputedValuesExt, DisplayGeneratingBox, DisplayInside, DisplayOutside};
use rayon::iter::{IntoParallelIterator, ParallelIterator};
use rayon_croissant::ParallelIteratorExt;
@ -701,10 +701,11 @@ where
),
);
if let Some(to) = max_assign_in_flow_outer_content_sizes_to {
to.max_assign(
&box_content_sizes
.outer_inline(&info.style, not_actually_containing_block_writing_mode),
)
to.max_assign(&sizing::outer_inline(
&info.style,
not_actually_containing_block_writing_mode,
|| box_content_sizes.expect_inline().clone(),
))
}
let block_level_box = ArcRefCell::new(BlockLevelBox::SameFormattingContextBlock {
tag: Tag::from_node_and_style_info(info),
@ -731,12 +732,11 @@ where
propagated_text_decoration_line,
);
if let Some(to) = max_assign_in_flow_outer_content_sizes_to {
to.max_assign(
&contents.content_sizes.outer_inline(
to.max_assign(&sizing::outer_inline(
&contents.style,
not_actually_containing_block_writing_mode,
),
)
|| contents.content_sizes.expect_inline().clone(),
))
}
(
ArcRefCell::new(BlockLevelBox::Independent(contents)),

5
components/layout_2020/flow/inline.rs
View file

@ -16,7 +16,7 @@ use crate::positioned::{
relative_adjustement, AbsolutelyPositionedBox, HoistedAbsolutelyPositionedBox,
PositioningContext,
};
use crate::sizing::ContentSizes;
use crate::sizing::{self, ContentSizes};
use crate::style_ext::{ComputedValuesExt, Display, DisplayGeneratingBox, DisplayOutside};
use crate::ContainingBlock;
use app_units::Au;
@ -200,9 +200,10 @@ impl InlineFormattingContext {
}
},
InlineLevelBox::Atomic(atomic) => {
let (outer, pc) = atomic.content_sizes.outer_inline_and_percentages(
let (outer, pc) = sizing::outer_inline_and_percentages(
&atomic.style,
self.containing_block_writing_mode,
|| atomic.content_sizes.expect_inline().clone(),
);
self.current_line.min_content += outer.min_content;
self.current_line.max_content += outer.max_content;

41
components/layout_2020/sizing.rs
View file

@ -64,7 +64,7 @@ impl ContentSizes {
}
}
fn map(&self, f: impl Fn(Length) -> Length) -> Self {
pub fn map(&self, f: impl Fn(Length) -> Length) -> Self {
Self {
min_content: f(self.min_content),
max_content: f(self.max_content),
@ -98,30 +98,38 @@ pub(crate) enum BoxContentSizes {
}
impl BoxContentSizes {
fn expect_inline(&self) -> &ContentSizes {
pub fn expect_inline(&self) -> &ContentSizes {
match self {
Self::NoneWereRequested => panic!("Accessing content size that was not requested"),
Self::Inline(s) => s,
}
}
/// https://dbaron.org/css/intrinsic/#outer-intrinsic
pub fn outer_inline(
&self,
/// https://drafts.csswg.org/css2/visudet.html#shrink-to-fit-float
pub(crate) fn shrink_to_fit(&self, available_size: Length) -> Length {
let inline = self.expect_inline();
available_size
.max(inline.min_content)
.min(inline.max_content)
}
}
pub(crate) fn outer_inline(
style: &ComputedValues,
containing_block_writing_mode: WritingMode,
) -> ContentSizes {
get_content_size: impl FnOnce() -> ContentSizes,
) -> ContentSizes {
let (mut outer, percentages) =
self.outer_inline_and_percentages(style, containing_block_writing_mode);
outer_inline_and_percentages(style, containing_block_writing_mode, get_content_size);
outer.adjust_for_pbm_percentages(percentages);
outer
}
}
pub(crate) fn outer_inline_and_percentages(
&self,
pub(crate) fn outer_inline_and_percentages(
style: &ComputedValues,
containing_block_writing_mode: WritingMode,
) -> (ContentSizes, Percentage) {
get_content_size: impl FnOnce() -> ContentSizes,
) -> (ContentSizes, Percentage) {
let padding = style.padding(containing_block_writing_mode);
let border = style.border_width(containing_block_writing_mode);
let margin = style.margin(containing_block_writing_mode);
@ -174,7 +182,7 @@ impl BoxContentSizes {
max_content: border_box_size,
}
},
None => self.expect_inline().map(|content_box_size| {
None => get_content_size().map(|content_box_size| {
match box_sizing {
// Clamp to 'min-width' and 'max-width', which are sizing the…
BoxSizing::ContentBox => clamp(content_box_size) + pb_lengths,
@ -185,13 +193,4 @@ impl BoxContentSizes {
let outer = border_box_sizes.map(|s| s + m_lengths);
(outer, pbm_percentages)
}
/// https://drafts.csswg.org/css2/visudet.html#shrink-to-fit-float
pub(crate) fn shrink_to_fit(&self, available_size: Length) -> Length {
let inline = self.expect_inline();
available_size
.max(inline.min_content)
.min(inline.max_content)
}
}