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Make AnimationValue have the same variants as PropertyDeclaration

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By making AnimationValue have the same representation as PropertyDeclaration
and Void variants for non-animatable properties, we know by constructions
that all properties have the same discriminant in both.
This commit is contained in:
Anthony Ramine 2018-02-09 22:34:59 +01:00
parent 6b1a74672d
commit 79775541f2
7 changed files with 58 additions and 35 deletions
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63
components/style/properties/helpers/animated_properties.mako.rs
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@ -58,6 +58,7 @@ use values::generics::position as generic_position;
use values::generics::svg::{SVGLength, SvgLengthOrPercentageOrNumber, SVGPaint};
use values::generics::svg::{SVGPaintKind, SVGStrokeDashArray, SVGOpacity};
use values::specified::font::FontTag;
use void::{self, Void};
/// <https://drafts.csswg.org/css-transitions/#animtype-repeatable-list>
pub trait RepeatableListAnimatable: Animate {}
@ -343,16 +344,20 @@ unsafe impl HasSimpleFFI for AnimationValueMap {}
/// this (is a similar path to that of PropertyDeclaration).
#[derive(Clone, Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(MallocSizeOf))]
#[repr(u16)]
pub enum AnimationValue {
% for prop in data.longhands:
% if prop.animatable:
/// ${prop.name}
% if prop.is_animatable_with_computed_value:
${prop.camel_case}(longhands::${prop.ident}::computed_value::T),
% else:
${prop.camel_case}(<longhands::${prop.ident}::computed_value::T as ToAnimatedValue>::AnimatedValue),
% endif
% endif
% if prop.animatable:
/// `${prop.name}`
% if prop.is_animatable_with_computed_value:
${prop.camel_case}(longhands::${prop.ident}::computed_value::T),
% else:
${prop.camel_case}(<longhands::${prop.ident}::computed_value::T as ToAnimatedValue>::AnimatedValue),
% endif
% else:
/// `${prop.name}` (not animatable)
${prop.camel_case}(Void),
% endif
% endfor
}
@ -362,7 +367,9 @@ impl AnimationValue {
match *self {
% for prop in data.longhands:
% if prop.animatable:
AnimationValue::${prop.camel_case}(..) => LonghandId::${prop.camel_case},
AnimationValue::${prop.camel_case}(..) => LonghandId::${prop.camel_case},
% else:
AnimationValue::${prop.camel_case}(void) => void::unreachable(void),
% endif
% endfor
}
@ -374,24 +381,26 @@ impl AnimationValue {
use properties::longhands;
match *self {
% for prop in data.longhands:
% if prop.animatable:
AnimationValue::${prop.camel_case}(ref from) => {
PropertyDeclaration::${prop.camel_case}(
% if prop.boxed:
Box::new(
% endif
longhands::${prop.ident}::SpecifiedValue::from_computed_value(
% if prop.is_animatable_with_computed_value:
from
% else:
&ToAnimatedValue::from_animated_value(from.clone())
% endif
))
% if prop.boxed:
)
% endif
}
% endif
% if prop.animatable:
AnimationValue::${prop.camel_case}(ref from) => {
PropertyDeclaration::${prop.camel_case}(
% if prop.boxed:
Box::new(
% endif
longhands::${prop.ident}::SpecifiedValue::from_computed_value(
% if prop.is_animatable_with_computed_value:
from
% else:
&ToAnimatedValue::from_animated_value(from.clone())
% endif
))
% if prop.boxed:
)
% endif
}
% else:
AnimationValue::${prop.camel_case}(void) => void::unreachable(void),
% endif
% endfor
}
}