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Handle PseudoElement case in :active and :hover quirk

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Nazım Can Altınova 2017-06-13 17:11:56 +03:00
parent 07f6e11485
commit 57d02dc0e9
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2 changed files with 22 additions and 13 deletions
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29
components/selectors/matching.rs
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@ -66,11 +66,12 @@ pub struct LocalMatchingContext<'a, 'b: 'a, Impl: SelectorImpl> {
/// been advanced partway through the current compound selector, and the callee may need
/// the whole thing.
offset: usize,
/// Holds a bool flag to see if LocalMatchingContext is within a functional
/// pseudo class argument. This is used for pseudo classes like
/// `:-moz-any` or `:not`. If this flag is true, :active and :hover
/// quirk shouldn't match.
pub within_functional_pseudo_class_argument: bool,
/// Holds a bool flag to see whether :active and :hover quirk should try to
/// match or not. This flag can only be true in these two cases:
/// - LocalMatchingContext is currently within a functional pseudo class
/// like `:-moz-any` or `:not`.
/// - PseudoElements are encountered when matching mode is ForStatelessPseudoElement.
pub hover_active_quirk_disabled: bool,
}
impl<'a, 'b, Impl> LocalMatchingContext<'a, 'b, Impl>
@ -83,7 +84,8 @@ impl<'a, 'b, Impl> LocalMatchingContext<'a, 'b, Impl>
shared: shared,
selector: selector,
offset: 0,
within_functional_pseudo_class_argument: false,
// We flip this off once third sequence is reached.
hover_active_quirk_disabled: selector.has_pseudo_element(),
}
}
@ -91,6 +93,13 @@ impl<'a, 'b, Impl> LocalMatchingContext<'a, 'b, Impl>
/// To be able to correctly re-synthesize main SelectorIter.
pub fn note_next_sequence(&mut self, selector_iter: &SelectorIter<Impl>) {
if let QuirksMode::Quirks = self.shared.quirks_mode() {
if self.selector.has_pseudo_element() && self.offset != 0 {
// This is the _second_ call to note_next_sequence,
// which means we've moved past the compound
// selector adjacent to the pseudo-element.
self.hover_active_quirk_disabled = false;
}
self.offset = self.selector.len() - selector_iter.selector_length();
}
}
@ -99,7 +108,7 @@ impl<'a, 'b, Impl> LocalMatchingContext<'a, 'b, Impl>
/// https://quirks.spec.whatwg.org/#the-active-and-hover-quirk
pub fn active_hover_quirk_matches(&mut self) -> bool {
if self.shared.quirks_mode() != QuirksMode::Quirks ||
self.within_functional_pseudo_class_argument {
self.hover_active_quirk_disabled {
return false;
}
@ -717,13 +726,13 @@ fn matches_simple_selector<E, F>(
matches_generic_nth_child(element, 0, 1, true, true, flags_setter)
}
Component::Negation(ref negated) => {
let old_value = context.within_functional_pseudo_class_argument;
context.within_functional_pseudo_class_argument = true;
let old_value = context.hover_active_quirk_disabled;
context.hover_active_quirk_disabled = true;
let result = !negated.iter().all(|ss| {
matches_simple_selector(ss, element, context,
relevant_link, flags_setter)
});
context.within_functional_pseudo_class_argument = old_value;
context.hover_active_quirk_disabled = old_value;
result
}
}