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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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4
components/style/properties/helpers/animated_properties.mako.rs
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@ -27,7 +27,7 @@ use smallvec::SmallVec;
use std::{cmp, ptr};
use std::mem::{self, ManuallyDrop};
#[cfg(feature = "gecko")] use hash::FnvHashMap;
use style_traits::ParseError;
use style_traits::{ParseError, SpecifiedValueInfo};
use super::ComputedValues;
use values::{CSSFloat, CustomIdent, Either};
use values::animated::{Animate, Procedure, ToAnimatedValue, ToAnimatedZero};
@ -172,6 +172,8 @@ impl From<nsCSSPropertyID> for TransitionProperty {
}
}
impl SpecifiedValueInfo for TransitionProperty {}
/// Returns true if this nsCSSPropertyID is one of the transitionable properties.
#[cfg(feature = "gecko")]
pub fn nscsspropertyid_is_transitionable(property: nsCSSPropertyID) -> bool {