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Skip the root node in live HTMLCollections.

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The root node is never included in the collection, and omitting it here
simplifies and speeds up the filter implementations.
This commit is contained in:
Ms2ger 2014-12-13 10:38:17 +01:00
parent 4a2c4b65cc
commit 14e1455119
2 changed files with 11 additions and 20 deletions
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7
components/script/dom/htmlfieldsetelement.rs
View file

@ -6,7 +6,7 @@ use dom::attr::Attr;
use dom::attr::AttrHelpers;
use dom::bindings::codegen::Bindings::HTMLFieldSetElementBinding;
use dom::bindings::codegen::Bindings::HTMLFieldSetElementBinding::HTMLFieldSetElementMethods;
use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLFieldSetElementDerived, NodeCast};
use dom::bindings::codegen::InheritTypes::{HTMLFieldSetElementDerived, NodeCast};
use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLLegendElementDerived};
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::utils::{Reflectable, Reflector};
@ -54,11 +54,10 @@ impl<'a> HTMLFieldSetElementMethods for JSRef<'a, HTMLFieldSetElement> {
#[jstraceable]
struct ElementsFilter;
impl CollectionFilter for ElementsFilter {
fn filter<'a>(&self, elem: JSRef<'a, Element>, root: JSRef<'a, Node>) -> bool {
fn filter<'a>(&self, elem: JSRef<'a, Element>, _root: JSRef<'a, Node>) -> bool {
static TAG_NAMES: StaticStringVec = &["button", "fieldset", "input",
"keygen", "object", "output", "select", "textarea"];
let root: JSRef<Element> = ElementCast::to_ref(root).unwrap();
elem != root && TAG_NAMES.iter().any(|&tag_name| tag_name == elem.local_name().as_slice())
TAG_NAMES.iter().any(|&tag_name| tag_name == elem.local_name().as_slice())
}
}
let node: JSRef<Node> = NodeCast::from_ref(self);