Implement HTML{Anchor,Area,Link}Element.relList.

https://github.com/servo/servo/issues/3994

1 files changed, 25 insertions, 3 deletions

diff --git a/components/script/dom/htmlanchorelement.rs b/components/script/dom/htmlanchorelement.rs
index 72c5d2fe7ae..2b1d615a4bf 100644
--- a/components/script/dom/htmlanchorelement.rs
+++ b/components/script/dom/htmlanchorelement.rs
@@ -2,6 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use dom::attr::AttrValue;
 use dom::bindings::codegen::Bindings::AttrBinding::AttrMethods;
 use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
 use dom::bindings::codegen::Bindings::HTMLAnchorElementBinding;
@@ -9,9 +10,10 @@ use dom::bindings::codegen::Bindings::HTMLAnchorElementBinding::HTMLAnchorElemen
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::codegen::InheritTypes::HTMLAnchorElementDerived;
 use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast, NodeCast};
-use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
+use dom::bindings::js::{MutNullableJS, JSRef, Temporary, OptionalRootable};
 use dom::bindings::utils::{Reflectable, Reflector};
 use dom::document::{Document, DocumentHelpers};
+use dom::domtokenlist::DOMTokenList;
 use dom::element::{Element, AttributeHandlers, HTMLAnchorElementTypeId};
 use dom::event::Event;
 use dom::eventtarget::{EventTarget, NodeTargetTypeId};
@@ -19,11 +21,14 @@ use dom::htmlelement::HTMLElement;
 use dom::node::{Node, NodeHelpers, ElementNodeTypeId};
 use dom::virtualmethods::VirtualMethods;
 
+use std::default::Default;
+use string_cache::Atom;
 use servo_util::str::DOMString;
 
 #[dom_struct]
 pub struct HTMLAnchorElement {
-    htmlelement: HTMLElement
+    htmlelement: HTMLElement,
+    rel_list: MutNullableJS<DOMTokenList>,
 }
 
 impl HTMLAnchorElementDerived for EventTarget {
@@ -35,7 +40,8 @@ impl HTMLAnchorElementDerived for EventTarget {
 impl HTMLAnchorElement {
     fn new_inherited(localName: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> HTMLAnchorElement {
         HTMLAnchorElement {
-            htmlelement: HTMLElement::new_inherited(HTMLAnchorElementTypeId, localName, prefix, document)
+            htmlelement: HTMLElement::new_inherited(HTMLAnchorElementTypeId, localName, prefix, document),
+            rel_list: Default::default(),
         }
     }
 
@@ -84,6 +90,13 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLAnchorElement> {
         }
         self.handle_event_impl(event);
     }
+
+    fn parse_plain_attribute(&self, name: &Atom, value: DOMString) -> AttrValue {
+        match name {
+            &atom!("rel") => AttrValue::from_tokenlist(value),
+            _ => self.super_type().unwrap().parse_plain_attribute(name, value),
+        }
+    }
 }
 
 impl Reflectable for HTMLAnchorElement {
@@ -102,4 +115,13 @@ impl<'a> HTMLAnchorElementMethods for JSRef<'a, HTMLAnchorElement> {
         let node: JSRef<Node> = NodeCast::from_ref(self);
         node.SetTextContent(Some(value))
     }
+
+    fn RelList(self) -> Temporary<DOMTokenList> {
+        if self.rel_list.get().is_none() {
+            let element: JSRef<Element> = ElementCast::from_ref(self);
+            let rel_list = DOMTokenList::new(element, &atom!("rel"));
+            self.rel_list.assign(Some(rel_list));
+        }
+        self.rel_list.get().unwrap()
+    }
 }