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Clean up note_selector a bit and stop handling combinators in two places.

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MozReview-Commit-ID: HhVi72K4yp0
This commit is contained in:
Bobby Holley 2017-04-27 17:52:37 -07:00
parent 71ecff849b
commit b4a2e2f17c
1 changed files with 6 additions and 20 deletions
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26
components/style/restyle_hints.rs
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@ -18,7 +18,7 @@ use selectors::{Element, MatchAttr};
use selectors::matching::{ElementSelectorFlags, StyleRelations};
use selectors::matching::matches_selector;
use selectors::parser::{AttrSelector, Combinator, Component, Selector};
use selectors::parser::{SelectorInner, SelectorIter, SelectorMethods};
use selectors::parser::{SelectorInner, SelectorMethods};
use selectors::visitor::SelectorVisitor;
use std::clone::Clone;
@ -482,27 +482,13 @@ struct Dependency {
/// of them is sensitive to attribute or state changes.
struct SensitivitiesVisitor {
sensitivities: Sensitivities,
hint: RestyleHint,
}
impl SelectorVisitor for SensitivitiesVisitor {
type Impl = SelectorImpl;
fn visit_complex_selector(&mut self,
_: SelectorIter<SelectorImpl>,
combinator: Option<Combinator>) -> bool {
self.hint |= combinator_to_restyle_hint(combinator);
true
}
fn visit_simple_selector(&mut self, s: &Component<SelectorImpl>) -> bool {
self.sensitivities.states.insert(selector_to_state(s));
if !self.sensitivities.attrs {
self.sensitivities.attrs = is_attr_selector(s);
}
self.sensitivities.attrs |= is_attr_selector(s);
true
}
}
@ -547,9 +533,9 @@ impl DependencySet {
while let Some(current) = next.take() {
// Set up our visitor.
let mut visitor = SensitivitiesVisitor {
sensitivities: Sensitivities::new(),
hint: combinator_to_restyle_hint(combinator),
sensitivities: Sensitivities::new()
};
let mut hint = combinator_to_restyle_hint(combinator);
if is_pseudo_element {
// TODO(emilio): use more fancy restyle hints to avoid restyling
@ -560,7 +546,7 @@ impl DependencySet {
// restyle_descendants to handle all of them (::before and
// ::after, because we find them in the subtree, and other lazy
// pseudos for the same reason).
visitor.hint |= RESTYLE_SELF | RESTYLE_DESCENDANTS;
hint |= RESTYLE_SELF | RESTYLE_DESCENDANTS;
is_pseudo_element = false;
}
@ -584,7 +570,7 @@ impl DependencySet {
if !visitor.sensitivities.is_empty() {
self.add_dependency(Dependency {
sensitivities: visitor.sensitivities,
hint: visitor.hint,
hint: hint,
selector: SelectorInner::new(current),
})
}