script/dom/html/
htmlmapelement.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use dom_struct::dom_struct;
6use html5ever::{LocalName, Prefix};
7use js::context::JSContext;
8use js::rust::HandleObject;
9
10use crate::dom::bindings::codegen::Bindings::HTMLMapElementBinding::HTMLMapElementMethods;
11use crate::dom::bindings::inheritance::Castable;
12use crate::dom::bindings::root::{DomRoot, MutNullableDom};
13use crate::dom::bindings::str::DOMString;
14use crate::dom::document::Document;
15use crate::dom::html::htmlareaelement::HTMLAreaElement;
16use crate::dom::html::htmlcollection::HTMLCollection;
17use crate::dom::html::htmlelement::HTMLElement;
18use crate::dom::node::{Node, NodeTraits, ShadowIncluding};
19
20#[dom_struct]
21pub(crate) struct HTMLMapElement {
22    htmlelement: HTMLElement,
23    /// <https://html.spec.whatwg.org/multipage/#dom-map-areas>
24    areas: MutNullableDom<HTMLCollection>,
25}
26
27impl HTMLMapElement {
28    fn new_inherited(
29        local_name: LocalName,
30        prefix: Option<Prefix>,
31        document: &Document,
32    ) -> HTMLMapElement {
33        HTMLMapElement {
34            htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
35            areas: Default::default(),
36        }
37    }
38
39    pub(crate) fn new(
40        cx: &mut js::context::JSContext,
41        local_name: LocalName,
42        prefix: Option<Prefix>,
43        document: &Document,
44        proto: Option<HandleObject>,
45    ) -> DomRoot<HTMLMapElement> {
46        Node::reflect_node_with_proto(
47            cx,
48            Box::new(HTMLMapElement::new_inherited(local_name, prefix, document)),
49            document,
50            proto,
51        )
52    }
53
54    pub(crate) fn get_area_elements(&self) -> Vec<DomRoot<HTMLAreaElement>> {
55        self.upcast::<Node>()
56            .traverse_preorder(ShadowIncluding::No)
57            .filter_map(DomRoot::downcast::<HTMLAreaElement>)
58            .collect()
59    }
60}
61
62impl HTMLMapElementMethods<crate::DomTypeHolder> for HTMLMapElement {
63    // <https://html.spec.whatwg.org/multipage/#dom-map-name>
64    make_getter!(Name, "name");
65
66    // <https://html.spec.whatwg.org/multipage/#dom-map-name>
67    make_atomic_setter!(cx, SetName, "name");
68
69    /// <https://html.spec.whatwg.org/multipage/#dom-map-areas>
70    fn Areas(&self, cx: &mut JSContext) -> DomRoot<HTMLCollection> {
71        // The areas attribute must return an HTMLCollection rooted at the map element, whose filter
72        // matches only area elements.
73        self.areas.or_init(|| {
74            HTMLCollection::new_with_filter_fn(
75                cx,
76                &self.owner_window(),
77                self.upcast(),
78                |element, _| element.is::<HTMLAreaElement>(),
79            )
80        })
81    }
82}
script/dom/html/htmlmapelement.rs

script/dom/html/
htmlmapelement.rs
