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Use the WritingMode bitflags from Stylo

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This commit is contained in:
Simon Sapin 2019-12-05 12:33:44 +01:00
parent b9adf8b7ac
commit 40ad9a722d
10 changed files with 62 additions and 81 deletions
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48
components/layout_2020/style_ext.rs
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@ -9,10 +9,6 @@ use style::values::computed::{NonNegativeLengthPercentage, Size};
use style::values::generics::length::MaxSize;
use style::values::specified::box_ as stylo;
pub use style::computed_values::direction::T as Direction;
pub use style::computed_values::position::T as Position;
pub use style::computed_values::writing_mode::T as WritingMode;
#[derive(Clone, Copy, Eq, PartialEq)]
pub(crate) enum Display {
None,
@ -44,8 +40,6 @@ pub(crate) enum DisplayInside {
}
pub(crate) trait ComputedValuesExt {
fn writing_mode(&self) -> (WritingMode, Direction);
fn writing_mode_is_horizontal(&self) -> bool;
fn inline_size_is_auto(&self) -> bool;
fn inline_box_offsets_are_both_non_auto(&self) -> bool;
fn box_offsets(&self) -> flow_relative::Sides<LengthPercentageOrAuto>;
@ -58,44 +52,24 @@ pub(crate) trait ComputedValuesExt {
}
impl ComputedValuesExt for ComputedValues {
fn writing_mode(&self) -> (WritingMode, Direction) {
let inherited_box = self.get_inherited_box();
let writing_mode = inherited_box.writing_mode;
let direction = inherited_box.direction;
(writing_mode, direction)
}
fn writing_mode_is_horizontal(&self) -> bool {
match self.get_inherited_box().writing_mode {
WritingMode::HorizontalTb => true,
WritingMode::VerticalLr | WritingMode::VerticalRl => false,
}
}
fn inline_size_is_auto(&self) -> bool {
let position = self.get_position();
let size = if self.writing_mode_is_horizontal() {
let size = if self.writing_mode.is_horizontal() {
position.width
} else {
position.height
};
matches!(size, Size::Auto)
size == Size::Auto
}
fn inline_box_offsets_are_both_non_auto(&self) -> bool {
let position = self.get_position();
let offsets = if self.writing_mode_is_horizontal() {
let (a, b) = if self.writing_mode.is_horizontal() {
(position.left, position.right)
} else {
(position.top, position.bottom)
};
matches!(
offsets,
(
LengthPercentageOrAuto::LengthPercentage(_),
LengthPercentageOrAuto::LengthPercentage(_),
)
)
a != LengthPercentageOrAuto::Auto && b != LengthPercentageOrAuto::Auto
}
#[inline]
@ -107,7 +81,7 @@ impl ComputedValuesExt for ComputedValues {
bottom: position.bottom,
right: position.right,
}
.to_flow_relative(self.writing_mode())
.to_flow_relative(self.writing_mode)
}
#[inline]
@ -117,7 +91,7 @@ impl ComputedValuesExt for ComputedValues {
x: size_to_length(position.width),
y: size_to_length(position.height),
}
.size_to_flow_relative(self.writing_mode())
.size_to_flow_relative(self.writing_mode)
}
#[inline]
@ -127,7 +101,7 @@ impl ComputedValuesExt for ComputedValues {
x: size_to_length(position.min_width),
y: size_to_length(position.min_height),
}
.size_to_flow_relative(self.writing_mode())
.size_to_flow_relative(self.writing_mode)
}
#[inline]
@ -141,7 +115,7 @@ impl ComputedValuesExt for ComputedValues {
x: unwrap(position.max_width),
y: unwrap(position.max_height),
}
.size_to_flow_relative(self.writing_mode())
.size_to_flow_relative(self.writing_mode)
}
#[inline]
@ -153,7 +127,7 @@ impl ComputedValuesExt for ComputedValues {
bottom: padding.padding_bottom.0,
right: padding.padding_right.0,
}
.to_flow_relative(self.writing_mode())
.to_flow_relative(self.writing_mode)
}
fn border_width(&self) -> flow_relative::Sides<Length> {
@ -164,7 +138,7 @@ impl ComputedValuesExt for ComputedValues {
bottom: border.border_bottom_width.0,
right: border.border_right_width.0,
}
.to_flow_relative(self.writing_mode())
.to_flow_relative(self.writing_mode)
}
fn margin(&self) -> flow_relative::Sides<LengthPercentageOrAuto> {
@ -175,7 +149,7 @@ impl ComputedValuesExt for ComputedValues {
bottom: margin.margin_bottom,
right: margin.margin_right,
}
.to_flow_relative(self.writing_mode())
.to_flow_relative(self.writing_mode)
}
}