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style: Massage the resolver code so it's cleaner and prevents the problem.

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This way all the borrows stay in the sharing code, and prevents an extra borrow
on a cache hit, which is not a big deal but nice.
This commit is contained in:
Emilio Cobos Álvarez 2017-09-18 03:21:39 +02:00
parent 36fed07b1c
commit 891bc7d174
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GPG key ID: 056B727BB9C1027C
6 changed files with 119 additions and 119 deletions
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11
components/style/data.rs
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@ -284,13 +284,18 @@ impl ElementData {
/// Returns this element's primary style as a resolved style to use for sharing.
pub fn share_primary_style(&self) -> PrimaryStyle {
let primary_is_reused = self.flags.contains(PRIMARY_STYLE_REUSED_VIA_RULE_NODE);
PrimaryStyle(ResolvedStyle::new(self.styles.primary().clone(), primary_is_reused))
let reused_via_rule_node =
self.flags.contains(PRIMARY_STYLE_REUSED_VIA_RULE_NODE);
PrimaryStyle {
style: ResolvedStyle(self.styles.primary().clone()),
reused_via_rule_node,
}
}
/// Sets a new set of styles, returning the old ones.
pub fn set_styles(&mut self, new_styles: ResolvedElementStyles) -> ElementStyles {
if new_styles.primary.0.reused_via_rule_node {
if new_styles.primary.reused_via_rule_node {
self.flags.insert(PRIMARY_STYLE_REUSED_VIA_RULE_NODE);
} else {
self.flags.remove(PRIMARY_STYLE_REUSED_VIA_RULE_NODE);