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style: Simplify dependency visitor, avoid tracking dependencies of nested complex selectors separately.

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Emilio Cobos Álvarez 2017-04-12 14:34:43 +08:00
parent 568fa4cc0d
commit 9e33cd5643
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GPG key ID: 056B727BB9C1027C
4 changed files with 67 additions and 76 deletions
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11
components/style/stylist.rs
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@ -19,7 +19,7 @@ use properties::{self, CascadeFlags, ComputedValues};
#[cfg(feature = "servo")]
use properties::INHERIT_ALL;
use properties::PropertyDeclarationBlock;
use restyle_hints::{RestyleHint, DependencySet, SelectorDependencyVisitor};
use restyle_hints::{RestyleHint, DependencySet};
use rule_tree::{CascadeLevel, RuleTree, StrongRuleNode, StyleSource};
use selector_parser::{SelectorImpl, PseudoElement, Snapshot};
use selectors::Element;
@ -28,7 +28,6 @@ use selectors::matching::{AFFECTED_BY_ANIMATIONS, AFFECTED_BY_TRANSITIONS};
use selectors::matching::{AFFECTED_BY_STYLE_ATTRIBUTE, AFFECTED_BY_PRESENTATIONAL_HINTS};
use selectors::matching::{ElementSelectorFlags, StyleRelations, matches_complex_selector};
use selectors::parser::{Selector, SimpleSelector, LocalName as LocalNameSelector, ComplexSelector};
use selectors::parser::SelectorMethods;
use shared_lock::{Locked, SharedRwLockReadGuard, StylesheetGuards};
use sink::Push;
use smallvec::VecLike;
@ -294,11 +293,9 @@ impl Stylist {
self.rules_source_order += 1;
for selector in &style_rule.selectors.0 {
let mut visitor =
SelectorDependencyVisitor::new(&mut self.state_deps);
selector.visit(&mut visitor);
if visitor.needs_cache_revalidation() {
let needs_cache_revalidation =
self.state_deps.note_selector(&selector.complex_selector);
if needs_cache_revalidation {
self.selectors_for_cache_revalidation.push(selector.clone());
}
}