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Bug 1340683 - stylo: Implement the :-moz-any pseudo-class

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This commit is contained in:
Matt Brubeck 2017-03-15 11:32:12 -07:00
parent e34aac03ff
commit 2872c8bfab
10 changed files with 146 additions and 40 deletions
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16
components/style/restyle_hints.rs
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@ -269,14 +269,17 @@ impl<'a, E> MatchAttr for ElementWrapper<'a, E>
impl<'a, E> Element for ElementWrapper<'a, E>
where E: TElement,
{
fn match_non_ts_pseudo_class(&self, pseudo_class: &NonTSPseudoClass) -> bool {
fn match_non_ts_pseudo_class(&self,
pseudo_class: &NonTSPseudoClass,
relations: &mut StyleRelations,
flags: &mut ElementSelectorFlags) -> bool {
let flag = SelectorImpl::pseudo_class_state_flag(pseudo_class);
if flag == ElementState::empty() {
self.element.match_non_ts_pseudo_class(pseudo_class)
self.element.match_non_ts_pseudo_class(pseudo_class, relations, flags)
} else {
match self.snapshot.and_then(|s| s.state()) {
Some(snapshot_state) => snapshot_state.contains(flag),
_ => self.element.match_non_ts_pseudo_class(pseudo_class)
_ => self.element.match_non_ts_pseudo_class(pseudo_class, relations, flags)
}
}
}
@ -347,6 +350,13 @@ impl<'a, E> Element for ElementWrapper<'a, E>
}
}
/// Returns the union of any `ElementState` flags for components of a `ComplexSelector`
pub fn complex_selector_to_state(sel: &ComplexSelector<SelectorImpl>) -> ElementState {
sel.compound_selector.iter().fold(ElementState::empty(), |state, s| {
state | selector_to_state(s)
})
}
fn selector_to_state(sel: &SimpleSelector<SelectorImpl>) -> ElementState {
match *sel {
SimpleSelector::NonTSPseudoClass(ref pc) => SelectorImpl::pseudo_class_state_flag(pc),