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Derive ToComputedValue for Image<..>

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This commit is contained in:
Anthony Ramine 2017-09-11 17:21:04 +02:00
parent 7c31202dda
commit 95f2d93960
1 changed files with 1 additions and 39 deletions
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40
components/style/values/generics/image.rs
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@ -11,13 +11,12 @@ use cssparser::serialize_identifier;
use custom_properties; use custom_properties;
use std::fmt; use std::fmt;
use style_traits::ToCss; use style_traits::ToCss;
use values::computed::{Context, ToComputedValue};
/// An [image]. /// An [image].
/// ///
/// [image]: https://drafts.csswg.org/css-images/#image-values /// [image]: https://drafts.csswg.org/css-images/#image-values
#[derive(Clone, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))] #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
#[derive(Clone, PartialEq, ToComputedValue)]
pub enum Image<Gradient, MozImageRect, ImageUrl> { pub enum Image<Gradient, MozImageRect, ImageUrl> {
/// A `<url()>` image. /// A `<url()>` image.
Url(ImageUrl), Url(ImageUrl),
@ -34,43 +33,6 @@ pub enum Image<Gradient, MozImageRect, ImageUrl> {
PaintWorklet(PaintWorklet), PaintWorklet(PaintWorklet),
} }
// FIXME(nox): Implement TCV for Box<T> and derive this.
impl<Gradient: ToComputedValue,
MozImageRect: ToComputedValue,
ImageUrl: ToComputedValue> ToComputedValue for Image<Gradient, MozImageRect, ImageUrl> {
type ComputedValue = Image<<Gradient as ToComputedValue>::ComputedValue,
<MozImageRect as ToComputedValue>::ComputedValue,
<ImageUrl as ToComputedValue>::ComputedValue>;
#[inline]
fn to_computed_value(&self, context: &Context) -> Self::ComputedValue {
match *self {
Image::Url(ref url) => Image::Url(url.to_computed_value(context)),
Image::Gradient(ref gradient) =>
Image::Gradient(Box::new(gradient.to_computed_value(context))),
Image::Rect(ref rect) => Image::Rect(Box::new(rect.to_computed_value(context))),
Image::Element(ref atom) => Image::Element(atom.to_computed_value(context)),
#[cfg(feature = "servo")]
Image::PaintWorklet(ref worklet) => Image::PaintWorklet(worklet.to_computed_value(context)),
}
}
#[inline]
fn from_computed_value(computed: &Self::ComputedValue) -> Self {
match *computed {
Image::Url(ref url) => Image::Url(ImageUrl::from_computed_value(url)),
Image::Gradient(ref boxed_gradient) =>
Image::Gradient(Box::new(Gradient::from_computed_value(&*boxed_gradient))),
Image::Rect(ref boxed_rect) =>
Image::Rect(Box::new(MozImageRect::from_computed_value(&*boxed_rect))),
Image::Element(ref atom) => Image::Element(Atom::from_computed_value(atom)),
#[cfg(feature = "servo")]
Image::PaintWorklet(ref worklet) =>
Image::PaintWorklet(PaintWorklet::from_computed_value(worklet)),
}
}
}
/// A CSS gradient. /// A CSS gradient.
/// https://drafts.csswg.org/css-images/#gradients /// https://drafts.csswg.org/css-images/#gradients
#[cfg_attr(feature = "servo", derive(HeapSizeOf))] #[cfg_attr(feature = "servo", derive(HeapSizeOf))]