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Fix implementation of Element::get_root_element

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This commit is contained in:
Mukilan Thiyagarajan 2015-05-14 09:44:39 +05:30
parent b3b9deafa7
commit 3c56c58e38
1 changed files with 6 additions and 6 deletions
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12
components/script/dom/element.rs
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@ -510,7 +510,7 @@ pub trait ElementHelpers<'a> {
fn get_inline_style_declaration(self, property: &Atom) -> Option<PropertyDeclaration>;
fn get_important_inline_style_declaration(self, property: &Atom) -> Option<PropertyDeclaration>;
fn serialize(self, traversal_scope: TraversalScope) -> Fallible<DOMString>;
fn get_root_element(self) -> Option<Temporary<Element>>;
fn get_root_element(self) -> Temporary<Element>;
fn lookup_prefix(self, namespace: Option<DOMString>) -> Option<DOMString>;
}
@ -663,12 +663,12 @@ impl<'a> ElementHelpers<'a> for JSRef<'a, Element> {
}
// https://html.spec.whatwg.org/multipage/#root-element
fn get_root_element(self) -> Option<Temporary<Element>> {
fn get_root_element(self) -> Temporary<Element> {
let node: JSRef<Node> = NodeCast::from_ref(self);
match node.ancestors().last().map(ElementCast::to_temporary) {
Some(n) => n,
None => Some(self).map(Temporary::from_rooted),
}
node.inclusive_ancestors()
.filter_map(ElementCast::to_temporary)
.last()
.expect("We know inclusive_ancestors will return `self` which is an element")
}
// https://dom.spec.whatwg.org/#locate-a-namespace-prefix