servo/components/script/dom/htmlareaelement.rs
Anthony Ramine 1327ebd52f Remove HeapGCValue
It could be used to have mutable JSVal fields without GC barriers.
With the removal of that trait, MutHeap and MutNullableHeap can respectively
be replaced by MutJS and MutNullableJS.
2016-12-12 10:47:54 -10:00

63 lines
2.2 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* 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::bindings::codegen::Bindings::HTMLAreaElementBinding;
use dom::bindings::codegen::Bindings::HTMLAreaElementBinding::HTMLAreaElementMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{MutNullableJS, Root};
use dom::bindings::str::DOMString;
use dom::document::Document;
use dom::domtokenlist::DOMTokenList;
use dom::htmlelement::HTMLElement;
use dom::node::Node;
use dom::virtualmethods::VirtualMethods;
use html5ever_atoms::LocalName;
use std::default::Default;
use style::attr::AttrValue;
#[dom_struct]
pub struct HTMLAreaElement {
htmlelement: HTMLElement,
rel_list: MutNullableJS<DOMTokenList>,
}
impl HTMLAreaElement {
fn new_inherited(local_name: LocalName, prefix: Option<DOMString>, document: &Document) -> HTMLAreaElement {
HTMLAreaElement {
htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
rel_list: Default::default(),
}
}
#[allow(unrooted_must_root)]
pub fn new(local_name: LocalName,
prefix: Option<DOMString>,
document: &Document) -> Root<HTMLAreaElement> {
Node::reflect_node(box HTMLAreaElement::new_inherited(local_name, prefix, document),
document,
HTMLAreaElementBinding::Wrap)
}
}
impl VirtualMethods for HTMLAreaElement {
fn super_type(&self) -> Option<&VirtualMethods> {
Some(self.upcast::<HTMLElement>() as &VirtualMethods)
}
fn parse_plain_attribute(&self, name: &LocalName, value: DOMString) -> AttrValue {
match name {
&local_name!("rel") => AttrValue::from_serialized_tokenlist(value.into()),
_ => self.super_type().unwrap().parse_plain_attribute(name, value),
}
}
}
impl HTMLAreaElementMethods for HTMLAreaElement {
// https://html.spec.whatwg.org/multipage/#dom-area-rellist
fn RelList(&self) -> Root<DOMTokenList> {
self.rel_list.or_init(|| {
DOMTokenList::new(self.upcast(), &local_name!("rel"))
})
}
}