Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-11 16:35:33 +01:00
Code Issues Projects Releases Packages Wiki Activity

Stylo: Implement {specified|computed}::LayerImage.

Browse source
This commit is contained in:
cku 2017-05-03 13:23:35 +08:00
parent 1b9e1cc1f2
commit 3c3e7f63ee
9 changed files with 96 additions and 263 deletions
Download patch file Download diff file Expand all files Collapse all files

83
components/style/properties/longhand/border.mako.rs
View file

@ -190,81 +190,14 @@ ${helpers.single_keyword("-moz-float-edge", "content-box margin-box",
spec="Nonstandard (https://developer.mozilla.org/en-US/docs/Web/CSS/-moz-float-edge)",
animation_value_type="none")}
<%helpers:longhand name="border-image-source" animation_value_type="none" boxed="True"
spec="https://drafts.csswg.org/css-backgrounds/#border-image-source">
use std::fmt;
use style_traits::ToCss;
use values::HasViewportPercentage;
use values::specified::Image;
no_viewport_percentage!(SpecifiedValue);
pub mod computed_value {
use values::computed;
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct T(pub Option<computed::Image>);
}
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct SpecifiedValue(pub Option<Image>);
impl ToCss for computed_value::T {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match self.0 {
Some(ref image) => image.to_css(dest),
None => dest.write_str("none"),
}
}
}
impl ToCss for SpecifiedValue {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match self.0 {
Some(ref image) => image.to_css(dest),
None => dest.write_str("none"),
}
}
}
#[inline]
pub fn get_initial_value() -> computed_value::T {
computed_value::T(None)
}
#[inline]
pub fn get_initial_specified_value() -> SpecifiedValue {
SpecifiedValue(None)
}
impl ToComputedValue for SpecifiedValue {
type ComputedValue = computed_value::T;
#[inline]
fn to_computed_value(&self, context: &Context) -> computed_value::T {
match self.0 {
Some(ref image) => computed_value::T(Some(image.to_computed_value(context))),
None => computed_value::T(None),
}
}
#[inline]
fn from_computed_value(computed: &computed_value::T) -> Self {
match computed.0 {
Some(ref image) =>
SpecifiedValue(Some(ToComputedValue::from_computed_value(image))),
None => SpecifiedValue(None),
}
}
}
pub fn parse(context: &ParserContext, input: &mut Parser) -> Result<SpecifiedValue, ()> {
if input.try(|input| input.expect_ident_matching("none")).is_ok() {
return Ok(SpecifiedValue(None));
}
Ok(SpecifiedValue(Some(try!(Image::parse(context, input)))))
}
</%helpers:longhand>
${helpers.predefined_type("border-image-source", "LayerImage",
initial_value="computed_value::T(None)",
initial_specified_value="SpecifiedValue(None)",
spec="https://drafts.csswg.org/css-backgrounds/#the-background-image",
vector=False,
animation_value_type="none",
has_uncacheable_values=False,
boxed="True")}
<%helpers:longhand name="border-image-outset" animation_value_type="none"
spec="https://drafts.csswg.org/css-backgrounds/#border-image-outset">