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style: Add a ValueInfo trait for exposing types needed by devtools.

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Most of types just derive it using proc_macro directly. Some of value
types need manual impl.

In my current plan, this new trait will be used in bug 1434130 to expose
values as well.

Bug: 1455576
Reviewed-by: emilio
MozReview-Commit-ID: LI7fy45VkRw
This commit is contained in:
Xidorn Quan 2018-04-26 09:01:02 +10:00 • committed by Emilio Cobos Álvarez
parent 276fb7e04b
commit 7fe7b2ffb1
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66 changed files with 615 additions and 249 deletions
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6
components/style/values/generics/size.rs
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@ -8,7 +8,7 @@ use cssparser::Parser;
use euclid::Size2D;
use parser::ParserContext;
use std::fmt::{self, Write};
use style_traits::{CssWriter, ParseError, ToCss};
use style_traits::{CssWriter, ParseError, SpecifiedValueInfo, ToCss};
use values::animated::ToAnimatedValue;
/// A generic size, for `border-*-radius` longhand properties, or
@ -93,3 +93,7 @@ where
))
}
}
impl<L: SpecifiedValueInfo> SpecifiedValueInfo for Size<L> {
const SUPPORTED_TYPES: u8 = L::SUPPORTED_TYPES;
}