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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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10
components/style/values/mod.rs
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@ -93,8 +93,9 @@ impl Parse for Impossible {
}
/// A struct representing one of two kinds of values.
#[derive(Animate, Clone, ComputeSquaredDistance, Copy, MallocSizeOf, PartialEq, ToAnimatedValue,
ToAnimatedZero, ToComputedValue, ToCss)]
#[derive(Animate, Clone, ComputeSquaredDistance, Copy, MallocSizeOf, PartialEq,
SpecifiedValueInfo, ToAnimatedValue, ToAnimatedZero, ToComputedValue,
ToCss)]
pub enum Either<A, B> {
/// The first value.
First(A),
@ -125,7 +126,8 @@ impl<A: Parse, B: Parse> Parse for Either<A, B> {
}
/// <https://drafts.csswg.org/css-values-4/#custom-idents>
#[derive(Clone, Debug, Eq, Hash, MallocSizeOf, PartialEq, ToComputedValue)]
#[derive(Clone, Debug, Eq, Hash, MallocSizeOf, PartialEq, SpecifiedValueInfo,
ToComputedValue)]
pub struct CustomIdent(pub Atom);
impl CustomIdent {
@ -160,7 +162,7 @@ impl ToCss for CustomIdent {
}
/// <https://drafts.csswg.org/css-animations/#typedef-keyframes-name>
#[derive(Clone, Debug, MallocSizeOf, ToComputedValue)]
#[derive(Clone, Debug, MallocSizeOf, ToComputedValue, SpecifiedValueInfo)]
pub enum KeyframesName {
/// <custom-ident>
Ident(CustomIdent),