forked from mirrors/gecko-dev
6da1d8c042
Solves #9508 @jdm Please review. Thanks! Source-Repo: https://github.com/servo/servo Source-Revision: 28ecb0bba3fa395ed56bb2448a21e02c3ff88c8b
100 lines
4 KiB
Rust
100 lines
4 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::HTMLCollectionBinding::HTMLCollectionMethods;
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use dom::bindings::codegen::Bindings::HTMLFormControlsCollectionBinding;
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use dom::bindings::codegen::Bindings::HTMLFormControlsCollectionBinding::HTMLFormControlsCollectionMethods;
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use dom::bindings::codegen::UnionTypes::RadioNodeListOrElement;
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use dom::bindings::global::GlobalRef;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::Root;
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use dom::bindings::reflector::{Reflectable, reflect_dom_object};
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use dom::element::Element;
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use dom::htmlcollection::{CollectionFilter, HTMLCollection};
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use dom::node::Node;
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use dom::radionodelist::RadioNodeList;
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use dom::window::Window;
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use std::iter;
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use util::str::DOMString;
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#[dom_struct]
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pub struct HTMLFormControlsCollection {
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collection: HTMLCollection,
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}
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impl HTMLFormControlsCollection {
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fn new_inherited(root: &Node, filter: Box<CollectionFilter + 'static>) -> HTMLFormControlsCollection {
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HTMLFormControlsCollection {
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collection: HTMLCollection::new_inherited(root, filter)
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}
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}
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pub fn new(window: &Window, root: &Node, filter: Box<CollectionFilter + 'static>)
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-> Root<HTMLFormControlsCollection>
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{
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reflect_dom_object(box HTMLFormControlsCollection::new_inherited(root, filter),
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GlobalRef::Window(window),
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HTMLFormControlsCollectionBinding::Wrap)
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}
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// FIXME: This shouldn't need to be implemented here since HTMLCollection (the parent of
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// HTMLFormControlsCollection) implements Length
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pub fn Length(&self) -> u32 {
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self.collection.Length()
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}
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}
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impl HTMLFormControlsCollectionMethods for HTMLFormControlsCollection {
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// https://html.spec.whatwg.org/multipage/#dom-htmlformcontrolscollection-nameditem
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fn NamedItem(&self, name: DOMString) -> Option<RadioNodeListOrElement> {
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// Step 1
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if name.is_empty() { return None; }
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let mut filter_map = self.collection.elements_iter().filter_map(|elem| {
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if elem.get_string_attribute(&atom!("name")) == name
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|| elem.get_string_attribute(&atom!("id")) == name {
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Some(elem)
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} else { None }
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});
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if let Some(elem) = filter_map.next() {
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let mut peekable = filter_map.peekable();
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// Step 2
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if peekable.peek().is_none() {
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Some(RadioNodeListOrElement::Element(elem))
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} else {
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// Step 4-5
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let once = iter::once(Root::upcast::<Node>(elem));
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let list = once.chain(peekable.map(Root::upcast));
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let global = self.global();
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let global = global.r();
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let window = global.as_window();
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Some(RadioNodeListOrElement::RadioNodeList(RadioNodeList::new_simple_list(window, list)))
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}
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// Step 3
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} else { None }
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}
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// https://html.spec.whatwg.org/multipage/#dom-htmlformcontrolscollection-nameditem
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fn NamedGetter(&self, name: DOMString, found: &mut bool) -> Option<RadioNodeListOrElement> {
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let maybe_elem = self.NamedItem(name);
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*found = maybe_elem.is_some();
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maybe_elem
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}
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// https://html.spec.whatwg.org/multipage/#the-htmlformcontrolscollection-interface:supported-property-names
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fn SupportedPropertyNames(&self) -> Vec<DOMString> {
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self.collection.SupportedPropertyNames()
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}
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// FIXME: This shouldn't need to be implemented here since HTMLCollection (the parent of
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// HTMLFormControlsCollection) implements IndexedGetter.
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// https://github.com/servo/servo/issues/5875
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//
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// https://dom.spec.whatwg.org/#dom-htmlcollection-item
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fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<Root<Element>> {
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self.collection.IndexedGetter(index, found)
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}
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}
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