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Implement ParentNode attributes

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This commit is contained in:
Anthony Ramine 2015-04-07 18:41:27 +02:00
parent e57630711f
commit 33f2cd29fd
15 changed files with 48 additions and 233 deletions
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18
components/script/dom/documentfragment.rs
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@ -5,7 +5,8 @@
use dom::bindings::codegen::Bindings::DocumentFragmentBinding;
use dom::bindings::codegen::Bindings::DocumentFragmentBinding::DocumentFragmentMethods;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::codegen::InheritTypes::{DocumentFragmentDerived, NodeCast};
use dom::bindings::codegen::InheritTypes::DocumentFragmentDerived;
use dom::bindings::codegen::InheritTypes::{ElementCast, NodeCast};
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::error::Fallible;
use dom::bindings::global::GlobalRef;
@ -56,6 +57,21 @@ impl<'a> DocumentFragmentMethods for JSRef<'a, DocumentFragment> {
HTMLCollection::children(window.r(), NodeCast::from_ref(self))
}
// https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
fn GetFirstElementChild(self) -> Option<Temporary<Element>> {
NodeCast::from_ref(self).child_elements().next()
}
// https://dom.spec.whatwg.org/#dom-parentnode-lastelementchild
fn GetLastElementChild(self) -> Option<Temporary<Element>> {
NodeCast::from_ref(self).rev_children().filter_map(ElementCast::to_temporary).next()
}
// https://dom.spec.whatwg.org/#dom-parentnode-childelementcount
fn ChildElementCount(self) -> u32 {
NodeCast::from_ref(self).child_elements().count() as u32
}
// http://dom.spec.whatwg.org/#dom-parentnode-queryselector
fn QuerySelector(self, selectors: DOMString) -> Fallible<Option<Temporary<Element>>> {
let root: JSRef<Node> = NodeCast::from_ref(self);