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Optimize Node::GetRootNode

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This commit is contained in:
Fernando Jiménez Moreno 2019-03-08 08:01:09 +01:00
parent 8eba587547
commit 890297ef0a
1 changed files with 9 additions and 3 deletions
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6
components/script/dom/node.rs
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@ -2279,10 +2279,16 @@ impl NodeMethods for Node {
return shadow_root.Host().upcast::<Node>().GetRootNode(options); return shadow_root.Host().upcast::<Node>().GetRootNode(options);
} }
} }
if let Some(shadow_root) = self.rare_data.owner_shadow_root.get() {
DomRoot::from_ref(shadow_root.upcast::<Node>())
} else if self.is_in_doc() {
DomRoot::from_ref(self.owner_doc().upcast::<Node>())
} else {
self.inclusive_ancestors(ShadowIncluding::No) self.inclusive_ancestors(ShadowIncluding::No)
.last() .last()
.unwrap() .unwrap()
} }
}
// https://dom.spec.whatwg.org/#dom-node-parentnode // https://dom.spec.whatwg.org/#dom-node-parentnode
fn GetParentNode(&self) -> Option<DomRoot<Node>> { fn GetParentNode(&self) -> Option<DomRoot<Node>> {