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Implement ToComputedValue for Box<T>

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This commit is contained in:
Anthony Ramine 2017-09-11 17:20:41 +02:00
parent 4e64ccde60
commit 7c31202dda
4 changed files with 27 additions and 3 deletions
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4
components/style/properties/helpers.mako.rs
View file

@ -341,7 +341,11 @@
}
context.builder.put_${data.current_style_struct.name_lower}(s);
% else:
% if property.boxed:
let computed = (**specified_value).to_computed_value(context);
% else:
let computed = specified_value.to_computed_value(context);
% endif
% if property.ident == "font_size":
longhands::font_size::cascade_specified_font_size(
context,

4
components/style/properties/helpers/animated_properties.mako.rs
View file

@ -544,7 +544,11 @@ impl AnimationValue {
longhands::system_font::resolve_system_font(sf, context);
}
% endif
% if prop.boxed:
let computed = (**val).to_computed_value(context);
% else:
let computed = val.to_computed_value(context);
% endif
Some(AnimationValue::${prop.camel_case}(
% if prop.is_animatable_with_computed_value:
computed

6
components/style/values/computed/length.rs
View file

@ -408,7 +408,7 @@ impl ToComputedValue for specified::LengthOrPercentage {
LengthOrPercentage::Percentage(value)
}
specified::LengthOrPercentage::Calc(ref calc) => {
LengthOrPercentage::Calc(calc.to_computed_value(context))
LengthOrPercentage::Calc((**calc).to_computed_value(context))
}
}
}
@ -502,7 +502,7 @@ impl ToComputedValue for specified::LengthOrPercentageOrAuto {
LengthOrPercentageOrAuto::Auto
}
specified::LengthOrPercentageOrAuto::Calc(ref calc) => {
LengthOrPercentageOrAuto::Calc(calc.to_computed_value(context))
LengthOrPercentageOrAuto::Calc((**calc).to_computed_value(context))
}
}
}
@ -591,7 +591,7 @@ impl ToComputedValue for specified::LengthOrPercentageOrNone {
LengthOrPercentageOrNone::Percentage(value)
}
specified::LengthOrPercentageOrNone::Calc(ref calc) => {
LengthOrPercentageOrNone::Calc(calc.to_computed_value(context))
LengthOrPercentageOrNone::Calc((**calc).to_computed_value(context))
}
specified::LengthOrPercentageOrNone::None => {
LengthOrPercentageOrNone::None

16
components/style/values/computed/mod.rs
View file

@ -296,6 +296,22 @@ impl<T> ToComputedValue for Vec<T>
}
}
impl<T> ToComputedValue for Box<T>
where T: ToComputedValue
{
type ComputedValue = Box<<T as ToComputedValue>::ComputedValue>;
#[inline]
fn to_computed_value(&self, context: &Context) -> Self::ComputedValue {
Box::new(T::to_computed_value(self, context))
}
#[inline]
fn from_computed_value(computed: &Self::ComputedValue) -> Self {
Box::new(T::from_computed_value(computed))
}
}
impl<T> ToComputedValue for Box<[T]>
where T: ToComputedValue
{