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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 crate::dom::bindings::codegen::Bindings::HTMLCollectionBinding::HTMLCollectionMethods;
use crate::dom::bindings::codegen::Bindings::HTMLFormControlsCollectionBinding;
use crate::dom::bindings::codegen::Bindings::HTMLFormControlsCollectionBinding::HTMLFormControlsCollectionMethods;
use crate::dom::bindings::codegen::UnionTypes::RadioNodeListOrElement;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::element::Element;
use crate::dom::htmlcollection::{CollectionFilter, HTMLCollection};
use crate::dom::node::Node;
use crate::dom::radionodelist::RadioNodeList;
use crate::dom::window::Window;
use dom_struct::dom_struct;
use std::iter;
#[dom_struct]
pub struct HTMLFormControlsCollection {
collection: HTMLCollection,
}
impl HTMLFormControlsCollection {
fn new_inherited(
root: &Node,
filter: Box<dyn CollectionFilter + 'static>,
) -> HTMLFormControlsCollection {
HTMLFormControlsCollection {
collection: HTMLCollection::new_inherited(root, filter),
}
}
pub fn new(
window: &Window,
root: &Node,
filter: Box<dyn CollectionFilter + 'static>,
) -> DomRoot<HTMLFormControlsCollection> {
reflect_dom_object(
Box::new(HTMLFormControlsCollection::new_inherited(root, filter)),
window,
HTMLFormControlsCollectionBinding::Wrap,
)
}
// FIXME: This shouldn't need to be implemented here since HTMLCollection (the parent of
// HTMLFormControlsCollection) implements Length
pub fn Length(&self) -> u32 {
self.collection.Length()
}
}
impl HTMLFormControlsCollectionMethods for HTMLFormControlsCollection {
// https://html.spec.whatwg.org/multipage/#dom-htmlformcontrolscollection-nameditem
fn NamedItem(&self, name: DOMString) -> Option<RadioNodeListOrElement> {
// Step 1
if name.is_empty() {
return None;
}
let mut filter_map = self.collection.elements_iter().filter_map(|elem| {
if elem.get_string_attribute(&local_name!("name")) == name ||
elem.get_string_attribute(&local_name!("id")) == name
{
Some(elem)
} else {
None
}
});
if let Some(elem) = filter_map.next() {
let mut peekable = filter_map.peekable();
// Step 2
if peekable.peek().is_none() {
Some(RadioNodeListOrElement::Element(elem))
} else {
// Step 4-5
let once = iter::once(DomRoot::upcast::<Node>(elem));
let list = once.chain(peekable.map(DomRoot::upcast));
let global = self.global();
let window = global.as_window();
Some(RadioNodeListOrElement::RadioNodeList(
RadioNodeList::new_simple_list(window, list),
))
}
// Step 3
} else {
None
}
}
// https://html.spec.whatwg.org/multipage/#dom-htmlformcontrolscollection-nameditem
fn NamedGetter(&self, name: DOMString) -> Option<RadioNodeListOrElement> {
self.NamedItem(name)
}
// https://html.spec.whatwg.org/multipage/#the-htmlformcontrolscollection-interface:supported-property-names
fn SupportedPropertyNames(&self) -> Vec<DOMString> {
self.collection.SupportedPropertyNames()
}
// FIXME: This shouldn't need to be implemented here since HTMLCollection (the parent of
// HTMLFormControlsCollection) implements IndexedGetter.
// https://github.com/servo/servo/issues/5875
//
// https://dom.spec.whatwg.org/#dom-htmlcollection-item
fn IndexedGetter(&self, index: u32) -> Option<DomRoot<Element>> {
self.collection.IndexedGetter(index)
}
}
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