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Share styles during recascades.

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MozReview-Commit-ID: AFTwtzi4P93
This commit is contained in:
Bobby Holley 2017-09-12 18:54:19 -07:00
parent 1c9b39a8e8
commit 8e5c1c771e
2 changed files with 35 additions and 16 deletions
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17
components/style/sharing/mod.rs
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@ -430,11 +430,16 @@ impl<Candidate> SharingCacheBase<Candidate> {
}
impl<E: TElement> SharingCache<E> {
fn insert(&mut self, el: E, validation_data_holder: &mut StyleSharingTarget<E>) {
self.entries.insert(StyleSharingCandidate {
element: el,
validation_data: validation_data_holder.take_validation_data(),
});
fn insert(
&mut self,
element: E,
validation_data_holder: Option<&mut StyleSharingTarget<E>>,
) {
let validation_data = match validation_data_holder {
Some(v) => v.take_validation_data(),
None => ValidationData::default(),
};
self.entries.insert(StyleSharingCandidate { element, validation_data });
}
fn lookup<F>(&mut self, mut is_match: F) -> Option<E>
@ -544,7 +549,7 @@ impl<E: TElement> StyleSharingCache<E> {
pub fn insert_if_possible(&mut self,
element: &E,
style: &ComputedValues,
validation_data_holder: &mut StyleSharingTarget<E>,
validation_data_holder: Option<&mut StyleSharingTarget<E>>,
dom_depth: usize) {
let parent = match element.traversal_parent() {
Some(element) => element,