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Implement Element.classList (partially fixes #1717).

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Ms2ger 2014-06-08 16:45:06 +02:00
parent 0803e5d0ac
commit 972c69883e
6 changed files with 139 additions and 3 deletions
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18
src/components/script/dom/element.rs
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@ -18,6 +18,7 @@ use dom::bindings::utils::{QName, Name, InvalidXMLName, xml_name_type};
use dom::clientrect::ClientRect;
use dom::clientrectlist::ClientRectList;
use dom::document::{Document, DocumentHelpers};
use dom::domtokenlist::DOMTokenList;
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::htmlcollection::HTMLCollection;
use dom::htmlserializer::serialize;
@ -43,7 +44,8 @@ pub struct Element {
pub prefix: Option<DOMString>,
pub attrs: RefCell<Vec<JS<Attr>>>,
pub style_attribute: Traceable<RefCell<Option<style::PropertyDeclarationBlock>>>,
pub attr_list: Cell<Option<JS<AttrList>>>
pub attr_list: Cell<Option<JS<AttrList>>>,
class_list: Cell<Option<JS<DOMTokenList>>>,
}
impl ElementDerived for EventTarget {
@ -151,6 +153,7 @@ impl Element {
prefix: prefix,
attrs: RefCell::new(vec!()),
attr_list: Cell::new(None),
class_list: Cell::new(None),
style_attribute: Traceable::new(RefCell::new(None)),
}
}
@ -416,6 +419,7 @@ pub trait ElementMethods {
fn SetId(&self, id: DOMString);
fn ClassName(&self) -> DOMString;
fn SetClassName(&self, class: DOMString);
fn ClassList(&self) -> Temporary<DOMTokenList>;
fn Attributes(&self) -> Temporary<AttrList>;
fn GetAttribute(&self, name: DOMString) -> Option<DOMString>;
fn GetAttributeNS(&self, namespace: Option<DOMString>, local_name: DOMString) -> Option<DOMString>;
@ -485,6 +489,18 @@ impl<'a> ElementMethods for JSRef<'a, Element> {
self.set_tokenlist_attribute("class", class);
}
// http://dom.spec.whatwg.org/#dom-element-classlist
fn ClassList(&self) -> Temporary<DOMTokenList> {
match self.class_list.get() {
Some(class_list) => Temporary::new(class_list),
None => {
let class_list = DOMTokenList::new(self, "class").root();
self.class_list.assign(Some(class_list.deref().clone()));
Temporary::from_rooted(&*class_list)
}
}
}
// http://dom.spec.whatwg.org/#dom-element-attributes
fn Attributes(&self) -> Temporary<AttrList> {
match self.attr_list.get() {