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Document owner_shadow_root

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This commit is contained in:
Fernando Jiménez Moreno 2019-03-04 14:22:52 +01:00
parent ea1fe15dfe
commit ccf8a43649
2 changed files with 10 additions and 7 deletions
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10
components/script/dom/node.rs
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@ -125,6 +125,8 @@ pub struct Node {
owner_doc: MutNullableDom<Document>,
/// The shadow root this node belongs to.
/// This is None if the node is not in a shadow tree or
/// if it is a ShadowRoot.
owner_shadow_root: MutNullableDom<ShadowRoot>,
/// The live list of children return by .childNodes.
@ -284,11 +286,10 @@ impl Node {
for node in new_child.traverse_preorder(ShadowIncluding::No) {
if parent_in_shadow_tree {
if let Some(shadow_root) = self.downcast::<ShadowRoot>() {
node.set_owner_shadow_root(&*shadow_root);
} else if let Some(shadow_root) = self.owner_shadow_root() {
if let Some(shadow_root) = self.owner_shadow_root() {
node.set_owner_shadow_root(&*shadow_root);
}
debug_assert!(node.owner_shadow_root().is_some());
}
node.set_flag(NodeFlags::IS_IN_DOC, parent_in_doc);
node.set_flag(NodeFlags::IS_IN_SHADOW_TREE, parent_in_shadow_tree);
@ -930,6 +931,9 @@ impl Node {
}
pub fn owner_shadow_root(&self) -> Option<DomRoot<ShadowRoot>> {
if let Some(ref shadow_root) = self.downcast::<ShadowRoot>() {
return Some(DomRoot::from_ref(shadow_root));
}
self.owner_shadow_root.get()
}