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Add content sizes computation for block containers

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This commit is contained in:
Simon Sapin 2019-12-03 02:03:51 +01:00
parent 78bfa45eab
commit 303b36f17b
3 changed files with 73 additions and 29 deletions
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19
components/layout_2020/sizing.rs
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@ -24,6 +24,11 @@ impl ContentSizes {
}
}
pub fn max_assign(&mut self, other: &Self) {
self.min_content.max_assign(other.min_content);
self.max_content.max_assign(other.max_content);
}
/// Relevant to outer intrinsic inline sizes, for percentages from padding and margin.
pub fn adjust_for_pbm_percentages(&mut self, percentages: Percentage) {
// " Note that this may yield an infinite result, but undefined results
@ -41,7 +46,17 @@ impl ContentSizes {
/// https://dbaron.org/css/intrinsic/#outer-intrinsic
pub(crate) fn outer_inline_content_sizes(
style: &ComputedValues,
get_inner_intrinsic_sizes: &dyn Fn() -> ContentSizes,
inner_content_sizes: &Option<ContentSizes>,
) -> ContentSizes {
let (mut outer, percentages) =
outer_inline_content_sizes_and_percentages(style, inner_content_sizes);
outer.adjust_for_pbm_percentages(percentages);
outer
}
pub(crate) fn outer_inline_content_sizes_and_percentages(
style: &ComputedValues,
inner_content_sizes: &Option<ContentSizes>,
) -> (ContentSizes, Percentage) {
// FIXME: account for 'min-width', 'max-width', 'box-sizing'
@ -50,7 +65,7 @@ pub(crate) fn outer_inline_content_sizes(
let specified = specified.map(|lp| lp.as_length());
// The (inner) min/max-content are only used for 'auto'
let mut outer = match specified.non_auto().flatten() {
None => get_inner_intrinsic_sizes(),
None => inner_content_sizes.as_ref().expect("Accessing content size that was not requested").clone(),
Some(length) => ContentSizes {
min_content: length,
max_content: length,