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layout: Compute intrinsic sizes for flex items and flex containers (#32854)

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Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Delan Azabani 2024-08-02 14:45:11 +08:00 • committed by GitHub
parent 7495ba20a5
commit 974c9dc89a
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GPG key ID: B5690EEEBB952194
42 changed files with 625 additions and 222 deletions
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68
components/layout_2020/style_ext.rs
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@ -204,17 +204,36 @@ pub(crate) trait ComputedValuesExt {
containing_block: &ContainingBlock,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<LengthOrAuto>;
fn content_box_size_for_box_size(
&self,
box_size: LogicalVec2<LengthOrAuto>,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<LengthOrAuto>;
fn content_min_box_size(
&self,
containing_block: &ContainingBlock,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<LengthOrAuto>;
fn content_min_box_size_for_min_size(
&self,
box_size: LogicalVec2<LengthOrAuto>,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<LengthOrAuto>;
fn content_max_box_size(
&self,
containing_block: &ContainingBlock,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<Option<Length>>;
fn content_max_box_size_for_max_size(
&self,
box_size: LogicalVec2<Option<Length>>,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<Option<Length>>;
fn padding_border_margin(&self, containing_block: &ContainingBlock) -> PaddingBorderMargin;
fn padding_border_margin_for_intrinsic_size(
&self,
writing_mode: WritingMode,
) -> PaddingBorderMargin;
fn padding(
&self,
containing_block_writing_mode: WritingMode,
@ -316,6 +335,14 @@ impl ComputedValuesExt for ComputedValues {
let box_size = self
.box_size(containing_block.style.writing_mode)
.percentages_relative_to(containing_block);
self.content_box_size_for_box_size(box_size, pbm)
}
fn content_box_size_for_box_size(
&self,
box_size: LogicalVec2<LengthOrAuto>,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<LengthOrAuto> {
match self.get_position().box_sizing {
BoxSizing::ContentBox => box_size,
BoxSizing::BorderBox => LogicalVec2 {
@ -336,9 +363,17 @@ impl ComputedValuesExt for ComputedValues {
containing_block: &ContainingBlock,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<LengthOrAuto> {
let min_box_size = self
let box_size = self
.min_box_size(containing_block.style.writing_mode)
.percentages_relative_to(containing_block);
self.content_min_box_size_for_min_size(box_size, pbm)
}
fn content_min_box_size_for_min_size(
&self,
min_box_size: LogicalVec2<LengthOrAuto>,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<LengthOrAuto> {
match self.get_position().box_sizing {
BoxSizing::ContentBox => min_box_size,
BoxSizing::BorderBox => LogicalVec2 {
@ -361,6 +396,15 @@ impl ComputedValuesExt for ComputedValues {
let max_box_size = self
.max_box_size(containing_block.style.writing_mode)
.percentages_relative_to(containing_block);
self.content_max_box_size_for_max_size(max_box_size, pbm)
}
fn content_max_box_size_for_max_size(
&self,
max_box_size: LogicalVec2<Option<Length>>,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<Option<Length>> {
match self.get_position().box_sizing {
BoxSizing::ContentBox => max_box_size,
BoxSizing::BorderBox => {
@ -398,6 +442,28 @@ impl ComputedValuesExt for ComputedValues {
}
}
fn padding_border_margin_for_intrinsic_size(
&self,
writing_mode: WritingMode,
) -> PaddingBorderMargin {
let padding = self
.padding(writing_mode)
.percentages_relative_to(Length::zero());
let border = self.border_width(writing_mode);
let margin = self
.margin(writing_mode)
.percentages_relative_to(Length::zero());
PaddingBorderMargin {
padding_border_sums: LogicalVec2 {
inline: (padding.inline_sum() + border.inline_sum()).into(),
block: (padding.block_sum() + border.block_sum()).into(),
},
padding: padding.into(),
border: border.into(),
margin: margin.map(|t| t.map(|m| m.into())),
}
}
fn padding(
&self,
containing_block_writing_mode: WritingMode,