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style: Add a clone helper that works regardless of whether the property is logical.

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Bug: 1473793
Reviewed-by: heycam
This commit is contained in:
Emilio Cobos Álvarez 2018-07-06 05:08:03 +02:00
parent 769188ddbb
commit 263d4258ea
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GPG key ID: 056B727BB9C1027C
2 changed files with 21 additions and 17 deletions
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10
components/style/properties/helpers/animated_properties.mako.rs
View file

@ -207,8 +207,8 @@ impl AnimatedProperty {
% for prop in data.longhands:
% if prop.animatable:
LonghandId::${prop.camel_case} => {
let old_computed = old_style.get_${prop.style_struct.ident.strip("_")}().clone_${prop.ident}();
let new_computed = new_style.get_${prop.style_struct.ident.strip("_")}().clone_${prop.ident}();
let old_computed = old_style.clone_${prop.ident}();
let new_computed = new_style.clone_${prop.ident}();
AnimatedProperty::${prop.camel_case}(
% if prop.is_animatable_with_computed_value:
old_computed,
@ -546,15 +546,13 @@ impl AnimationValue {
/// Get an AnimationValue for an AnimatableLonghand from a given computed values.
pub fn from_computed_values(
property: LonghandId,
computed_values: &ComputedValues
style: &ComputedValues,
) -> Option<Self> {
Some(match property {
% for prop in data.longhands:
% if prop.animatable:
LonghandId::${prop.camel_case} => {
let computed = computed_values
.get_${prop.style_struct.ident.strip("_")}()
.clone_${prop.ident}();
let computed = style.clone_${prop.ident}();
AnimationValue::${prop.camel_case}(
% if prop.is_animatable_with_computed_value:
computed

28
components/style/properties/properties.mako.rs
View file

@ -2615,6 +2615,22 @@ impl ComputedValues {
self.custom_properties.as_ref()
}
% for prop in data.longhands:
/// Gets the computed value of a given property.
#[inline(always)]
#[allow(non_snake_case)]
pub fn clone_${prop.ident}(
&self,
) -> longhands::${prop.ident}::computed_value::T {
self.get_${prop.style_struct.ident.strip("_")}()
% if prop.logical:
.clone_${prop.ident}(self.writing_mode)
% else:
.clone_${prop.ident}()
% endif
}
% endfor
/// Writes the value of the given longhand as a string in `dest`.
///
/// Note that the value will usually be the computed value, except for
@ -2635,20 +2651,10 @@ impl ComputedValues {
match property_id {
% for prop in data.longhands:
LonghandId::${prop.camel_case} => {
let style_struct =
self.get_${prop.style_struct.ident.strip("_")}();
let value =
style_struct
% if prop.logical:
.clone_${prop.ident}(self.writing_mode);
% else:
.clone_${prop.ident}();
% endif
let value = self.clone_${prop.ident}();
% if prop.predefined_type == "Color":
let value = self.resolve_color(value);
% endif
value.to_css(dest)
}
% endfor