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stylo: Support system colors

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MozReview-Commit-ID: HUfTdcMRoEx
This commit is contained in:
Manish Goregaokar 2017-03-15 14:49:35 -07:00 • committed by Manish Goregaokar
parent d309782461
commit 6b9a6806b8
7 changed files with 720 additions and 1 deletions
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1
components/style/values/computed/mod.rs
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@ -132,6 +132,7 @@ impl ToComputedValue for specified::Color {
let pres_context = unsafe { &*context.device.pres_context };
match *self {
specified::Color::RGBA(rgba) => rgba,
specified::Color::System(system) => to_rgba(system.to_computed_value(context)),
specified::Color::CurrentColor => context.inherited_style.get_color().clone_color(),
specified::Color::MozDefaultColor => to_rgba(pres_context.mDefaultColor),
specified::Color::MozDefaultBackgroundColor => to_rgba(pres_context.mBackgroundColor),

7
components/style/values/specified/color.rs
View file

@ -24,6 +24,7 @@ mod servo {
mod gecko {
use cssparser::{Color as CSSParserColor, Parser, RGBA};
use parser::{Parse, ParserContext};
use properties::longhands::color::SystemColor;
use std::fmt;
use style_traits::ToCss;
use values::HasViewportPercentage;
@ -35,7 +36,8 @@ mod gecko {
CurrentColor,
/// A specific RGBA color
RGBA(RGBA),
/// A system color
System(SystemColor),
/// -moz-default-color
MozDefaultColor,
/// -moz-default-background-color
@ -57,6 +59,8 @@ mod gecko {
CSSParserColor::CurrentColor => Ok(Color::CurrentColor),
CSSParserColor::RGBA(x) => Ok(Color::RGBA(x)),
}
} else if let Ok(system) = input.try(SystemColor::parse) {
Ok(Color::System(system))
} else {
let ident = input.expect_ident()?;
match_ignore_ascii_case! { &ident,
@ -77,6 +81,7 @@ mod gecko {
// Standard values:
Color::CurrentColor => CSSParserColor::CurrentColor.to_css(dest),
Color::RGBA(rgba) => rgba.to_css(dest),
Color::System(system) => system.to_css(dest),
// Non-standard values:
Color::MozDefaultColor => dest.write_str("-moz-default-color"),