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style: Fix a silly mistake in which we'd prefer a local name / tag invalidation to an id invalidation.

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ID invalidations should always win.

This also prefers invalidations deeper in the subtree to higher up.

Differential Revision: https://phabricator.services.mozilla.com/D85615
This commit is contained in:
Emilio Cobos Álvarez 2020-08-10 18:00:29 +00:00
parent 1f36216b59
commit dfa715a8d8
1 changed files with 5 additions and 3 deletions
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8
components/style/invalidation/stylesheets.rs
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@ -340,6 +340,8 @@ impl StylesheetInvalidationSet {
data.hint.contains(RestyleHint::RESTYLE_SELF) || any_children_invalid
}
/// TODO(emilio): Reuse the bucket stuff from selectormap? That handles
/// :is() / :where() etc.
fn scan_component(
component: &Component<SelectorImpl>,
invalidation: &mut Option<Invalidation>,
@ -349,7 +351,7 @@ impl StylesheetInvalidationSet {
ref name,
ref lower_name,
}) => {
if invalidation.as_ref().map_or(true, |s| !s.is_id_or_class()) {
if invalidation.is_none() {
*invalidation = Some(Invalidation::LocalName {
name: name.clone(),
lower_name: lower_name.clone(),
@ -357,12 +359,12 @@ impl StylesheetInvalidationSet {
}
},
Component::Class(ref class) => {
if invalidation.as_ref().map_or(true, |s| !s.is_id()) {
if invalidation.as_ref().map_or(true, |s| !s.is_id_or_class()) {
*invalidation = Some(Invalidation::Class(class.clone()));
}
},
Component::ID(ref id) => {
if invalidation.is_none() {
if invalidation.as_ref().map_or(true, |s| !s.is_id()) {
*invalidation = Some(Invalidation::ID(id.clone()));
}
},