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Implement NamedItem and NamedGetter on HTMLFormControlsCollection

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This commit is contained in:
Keith Yeung 2016-01-22 22:44:48 -05:00
parent 9e3af70941
commit 4229b68062
10 changed files with 94 additions and 140 deletions
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43
components/script/dom/htmlformcontrolscollection.rs
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@ -5,13 +5,17 @@
use dom::bindings::codegen::Bindings::HTMLCollectionBinding::HTMLCollectionMethods;
use dom::bindings::codegen::Bindings::HTMLFormControlsCollectionBinding;
use dom::bindings::codegen::Bindings::HTMLFormControlsCollectionBinding::HTMLFormControlsCollectionMethods;
use dom::bindings::codegen::UnionTypes::RadioNodeListOrElement::{self, eElement, eRadioNodeList};
use dom::bindings::global::GlobalRef;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::Root;
use dom::bindings::reflector::reflect_dom_object;
use dom::bindings::reflector::{Reflectable, reflect_dom_object};
use dom::element::Element;
use dom::htmlcollection::{CollectionFilter, HTMLCollection};
use dom::node::Node;
use dom::radionodelist::RadioNodeList;
use dom::window::Window;
use std::iter;
use util::str::DOMString;
#[dom_struct]
@ -43,8 +47,41 @@ impl HTMLFormControlsCollection {
impl HTMLFormControlsCollectionMethods for HTMLFormControlsCollection {
// https://html.spec.whatwg.org/multipage/#dom-htmlformcontrolscollection-nameditem
fn NamedGetter(&self, name: DOMString, found: &mut bool) -> Option<Root<Element>> {
self.collection.NamedGetter(name, found)
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(&atom!("name")) == name
|| elem.get_string_attribute(&atom!("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(eElement(elem))
} else {
// Step 4-5
let once = iter::once(Root::upcast::<Node>(elem));
let list = once.chain(peekable.map(Root::upcast));
let global = self.global();
let global = global.r();
let window = global.as_window();
Some(eRadioNodeList(RadioNodeList::new_simple_list(window, list)))
}
// Step 3
} else { None }
}
// https://html.spec.whatwg.org/multipage/#dom-htmlformcontrolscollection-nameditem
fn NamedGetter(&self, name: DOMString, found: &mut bool) -> Option<RadioNodeListOrElement> {
let maybe_elem = self.NamedItem(name);
*found = maybe_elem.is_some();
maybe_elem
}
// https://html.spec.whatwg.org/multipage/#the-htmlformcontrolscollection-interface:supported-property-names