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style: Add infrastructure for non-eagerly-cascaded pseudo-elements

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This commit also removes StylistWrapper and uses Arc::get_mut instead.
This commit is contained in:
Emilio Cobos Álvarez 2016-04-22 16:05:41 +02:00
parent 2dacbc6fb3
commit b6402a81d0
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11 changed files with 188 additions and 78 deletions
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11
components/style/traversal.rs
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@ -123,13 +123,13 @@ pub fn recalc_style_at<'a, N, C>(context: &'a C,
root: OpaqueNode,
node: N)
where N: TNode,
C: StyleContext<'a, <N::ConcreteElement as Element>::Impl, N::ConcreteComputedValues>,
<N::ConcreteElement as Element>::Impl: SelectorImplExt + 'a {
C: StyleContext<'a, <N::ConcreteElement as Element>::Impl>,
<N::ConcreteElement as Element>::Impl: SelectorImplExt<ComputedValues=N::ConcreteComputedValues> + 'a {
// Initialize layout data.
//
// FIXME(pcwalton): Stop allocating here. Ideally this should just be done by the HTML
// parser.
node.initialize_data();
node.initialize_data(context.shared_context().stylist.get_precomputed_data());
// Get the parent node.
let parent_opt = node.layout_parent_node(root);
@ -167,8 +167,9 @@ pub fn recalc_style_at<'a, N, C>(context: &'a C,
let shareable_element = match node.as_element() {
Some(element) => {
// Perform the CSS selector matching.
let stylist = unsafe { &*context.shared_context().stylist.0 };
if element.match_element(stylist,
let stylist = &context.shared_context().stylist;
if element.match_element(&**stylist,
Some(&*bf),
&mut applicable_declarations) {
Some(element)