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path: root/components/script/dom/htmlareaelement.rs
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/* 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::attr::AttrValue;
use dom::bindings::codegen::Bindings::HTMLAreaElementBinding;
use dom::bindings::codegen::Bindings::HTMLAreaElementBinding::HTMLAreaElementMethods;
use dom::bindings::codegen::InheritTypes::{HTMLAreaElementDerived, HTMLElementCast};
use dom::bindings::codegen::InheritTypes::ElementCast;
use dom::bindings::js::{MutNullableJS, JSRef, Temporary};
use dom::bindings::utils::Reflectable;
use dom::document::Document;
use dom::domtokenlist::DOMTokenList;
use dom::element::ElementTypeId;
use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
use dom::node::{Node, NodeHelpers, NodeTypeId};
use dom::virtualmethods::VirtualMethods;

use std::default::Default;
use string_cache::Atom;
use util::str::DOMString;

#[dom_struct]
pub struct HTMLAreaElement {
    htmlelement: HTMLElement,
    rel_list: MutNullableJS<DOMTokenList>,
}

impl HTMLAreaElementDerived for EventTarget {
    fn is_htmlareaelement(&self) -> bool {
        *self.type_id() == EventTargetTypeId::Node(NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLAreaElement)))
    }
}

impl HTMLAreaElement {
    fn new_inherited(localName: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> HTMLAreaElement {
        HTMLAreaElement {
            htmlelement: HTMLElement::new_inherited(HTMLElementTypeId::HTMLAreaElement, localName, prefix, document),
            rel_list: Default::default(),
        }
    }

    #[allow(unrooted_must_root)]
    pub fn new(localName: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> Temporary<HTMLAreaElement> {
        let element = HTMLAreaElement::new_inherited(localName, prefix, document);
        Node::reflect_node(box element, document, HTMLAreaElementBinding::Wrap)
    }
}

impl<'a> VirtualMethods for JSRef<'a, HTMLAreaElement> {
    fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
        let htmlelement: &JSRef<HTMLElement> = HTMLElementCast::from_borrowed_ref(self);
        Some(htmlelement as &VirtualMethods)
    }

    fn parse_plain_attribute(&self, name: &Atom, value: DOMString) -> AttrValue {
        match name {
            &atom!("rel") => AttrValue::from_serialized_tokenlist(value),
            _ => self.super_type().unwrap().parse_plain_attribute(name, value),
        }
    }
}

impl<'a> HTMLAreaElementMethods for JSRef<'a, HTMLAreaElement> {
    fn RelList(self) -> Temporary<DOMTokenList> {
        self.rel_list.or_init(|| {
            DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
        })
    }
}