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servo: Merge #14227 - Stylo - gecko glue code for font-size-adjust (from chenpighead:font-size-adjust-gecko); r=Manishearth

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<!-- Please describe your changes on the following line: -->

Implement the gecko-side glue code for font-size-adjust.
This is a followup for #14125, which is originally filed in #13875.

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

<!-- Either: -->
- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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Source-Repo: https://github.com/servo/servo
Source-Revision: a4e26d503af5589262e0ad2a73b40325fc7ef8a0
This commit is contained in:
Jeremy Chen 2016-11-19 05:07:46 -06:00
parent 600c23a426
commit e902ebee42
2 changed files with 37 additions and 4 deletions
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24
servo/components/style/properties/gecko.mako.rs
View File

@ -887,7 +887,7 @@ fn static_assert() {
</%self:impl_trait>
<%self:impl_trait style_struct_name="Font"
skip_longhands="font-family font-size font-weight font-synthesis"
skip_longhands="font-family font-size font-size-adjust font-weight font-synthesis"
skip_additionals="*">
pub fn set_font_family(&mut self, v: longhands::font_family::computed_value::T) {
@ -974,6 +974,28 @@ fn static_assert() {
self.gecko.mFont.synthesis = other.gecko.mFont.synthesis;
}
pub fn set_font_size_adjust(&mut self, v: longhands::font_size_adjust::computed_value::T) {
use properties::longhands::font_size_adjust::computed_value::T;
match v {
T::None => self.gecko.mFont.sizeAdjust = -1.0 as f32,
T::Number(n) => self.gecko.mFont.sizeAdjust = n.0 as f32,
}
}
pub fn copy_font_size_adjust_from(&mut self, other: &Self) {
self.gecko.mFont.sizeAdjust = other.gecko.mFont.sizeAdjust;
}
pub fn clone_font_size_adjust(&self) -> longhands::font_size_adjust::computed_value::T {
use properties::longhands::font_size_adjust::computed_value::T;
use values::specified::Number;
match self.gecko.mFont.sizeAdjust {
-1.0 => T::None,
_ => T::Number(Number(self.gecko.mFont.sizeAdjust)),
}
}
</%self:impl_trait>
<% skip_box_longhands= """display overflow-y vertical-align

17
servo/components/style/properties/longhand/font.mako.rs
View File

@ -353,8 +353,7 @@ ${helpers.single_keyword("font-variant",
</%helpers:longhand>
// https://www.w3.org/TR/css-fonts-3/#font-size-adjust-prop
// FIXME: This prop should be animatable
<%helpers:longhand products="none" name="font-size-adjust" animatable="False">
<%helpers:longhand products="gecko" name="font-size-adjust" animatable="True">
use values::NoViewportPercentage;
use values::computed::ComputedValueAsSpecified;
use values::specified::Number;
@ -362,7 +361,7 @@ ${helpers.single_keyword("font-variant",
impl ComputedValueAsSpecified for SpecifiedValue {}
impl NoViewportPercentage for SpecifiedValue {}
#[derive(Clone, Debug, PartialEq)]
#[derive(Copy, Clone, Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub enum SpecifiedValue {
None,
@ -372,6 +371,8 @@ ${helpers.single_keyword("font-variant",
pub mod computed_value {
use style_traits::ToCss;
use std::fmt;
use properties::animated_properties::Interpolate;
use values::specified::Number;
pub use super::SpecifiedValue as T;
@ -383,6 +384,16 @@ ${helpers.single_keyword("font-variant",
}
}
}
impl Interpolate for T {
fn interpolate(&self, other: &Self, time: f64) -> Result<Self, ()> {
match (*self, *other) {
(T::Number(ref number), T::Number(ref other)) =>
Ok(T::Number(Number(try!(number.0.interpolate(&other.0, time))))),
_ => Err(()),
}
}
}
}
#[inline] pub fn get_initial_value() -> computed_value::T {