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Define share_style_with_candidate_if_possible on LayoutElement.

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This commit is contained in:
Ms2ger 2015-10-15 10:38:59 +02:00
parent e5df6fa753
commit a9f75b7c4f
1 changed files with 6 additions and 4 deletions
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10
components/layout/css/matching.rs
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@ -420,7 +420,9 @@ trait PrivateMatchMethods {
shareable: bool,
animate_properties: bool)
-> RestyleDamage;
}
trait PrivateElementMatchMethods {
fn share_style_with_candidate_if_possible(&self,
parent_node: Option<LayoutNode>,
candidate: &StyleSharingCandidate)
@ -504,13 +506,13 @@ impl<'ln> PrivateMatchMethods for LayoutNode<'ln> {
*style = Some(this_style);
damage
}
}
impl<'ln> PrivateElementMatchMethods for LayoutElement<'ln> {
fn share_style_with_candidate_if_possible(&self,
parent_node: Option<LayoutNode>,
candidate: &StyleSharingCandidate)
-> Option<Arc<ComputedValues>> {
let element = self.as_element().unwrap();
let parent_node = match parent_node {
Some(ref parent_node) if parent_node.as_element().is_some() => parent_node,
Some(_) | None => return None,
@ -528,7 +530,7 @@ impl<'ln> PrivateMatchMethods for LayoutNode<'ln> {
}
// Check tag names, classes, etc.
if !candidate.can_share_style_with(&element) {
if !candidate.can_share_style_with(self) {
return None
}
@ -594,7 +596,7 @@ impl<'ln> MatchMethods for LayoutNode<'ln> {
}
for (i, &(ref candidate, ())) in style_sharing_candidate_cache.iter().enumerate() {
match self.share_style_with_candidate_if_possible(parent.clone(), candidate) {
match element.share_style_with_candidate_if_possible(parent.clone(), candidate) {
Some(shared_style) => {
// Yay, cache hit. Share the style.
let mut layout_data_ref = self.mutate_layout_data();