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Implement RadioNodeList
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commit
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6 changed files with 175 additions and 11 deletions
152
components/script/dom/radionodelist.rs
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152
components/script/dom/radionodelist.rs
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/* 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::HTMLInputElementBinding::HTMLInputElementMethods;
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use dom::bindings::codegen::Bindings::NodeListBinding::NodeListMethods;
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use dom::bindings::codegen::Bindings::RadioNodeListBinding;
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use dom::bindings::codegen::Bindings::RadioNodeListBinding::RadioNodeListMethods;
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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::reflect_dom_object;
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use dom::htmlinputelement::HTMLInputElement;
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use dom::node::Node;
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use dom::nodelist::{NodeList, NodeListType};
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use dom::window::Window;
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use util::str::DOMString;
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#[dom_struct]
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pub struct RadioNodeList {
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node_list: NodeList,
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}
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impl RadioNodeList {
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#[allow(unrooted_must_root)]
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fn new_inherited(list_type: NodeListType) -> RadioNodeList {
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RadioNodeList {
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node_list: NodeList::new_inherited(list_type)
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(window: &Window, list_type: NodeListType) -> Root<RadioNodeList> {
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reflect_dom_object(box RadioNodeList::new_inherited(list_type),
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GlobalRef::Window(window),
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RadioNodeListBinding::Wrap)
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}
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// FIXME: This shouldn't need to be implemented here since NodeList (the parent of
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// RadioNodeList) implements Length
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// https://github.com/servo/servo/issues/5875
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pub fn Length(&self) -> u32 {
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self.node_list.Length()
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}
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}
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impl RadioNodeListMethods for RadioNodeList {
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// https://html.spec.whatwg.org/multipage/#dom-radionodelist-value
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fn Value(&self) -> DOMString {
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match *self.upcast::<NodeList>().get_list_type() {
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NodeListType::Simple(ref v) => {
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v.iter().filter_map(|node| {
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// Step 1
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node.downcast::<HTMLInputElement>().and_then(|input| {
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match input.type_() {
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atom!("radio") if input.Checked() => {
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// Step 3-4
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let value = input.Value();
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Some(if value.is_empty() { DOMString::from("on") } else { value })
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}
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_ => None
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}
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})
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}).next()
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// Step 2
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.unwrap_or(DOMString::from(""))
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}
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NodeListType::Children(ref cl) => {
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cl.get_parent_node().traverse_preorder().filter_map(|node| {
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// Step 1
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node.downcast::<HTMLInputElement>().and_then(|input| {
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match input.type_() {
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atom!("radio") if input.Checked() => {
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// Step 3-4
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let value = input.Value();
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Some(if value.is_empty() { DOMString::from("on") } else { value })
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}
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_ => None
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}
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})
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}).next()
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// Step 2
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.unwrap_or(DOMString::from(""))
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}
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}
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}
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// https://html.spec.whatwg.org/multipage/infrastructure.html#dom-radionodelist-value
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fn SetValue(&self, value: DOMString) {
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match *self.upcast::<NodeList>().get_list_type() {
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NodeListType::Simple(ref v) => {
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for node in v.iter() {
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// Step 1
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if let Some(input) = node.downcast::<HTMLInputElement>() {
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match input.type_() {
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atom!("radio") if value == DOMString::from("on") => {
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// Step 2
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let val = input.Value();
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if val.is_empty() || val == DOMString::from("on") {
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input.SetChecked(true);
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return;
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}
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}
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atom!("radio") => {
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// Step 2
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if input.Value() == value {
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input.SetChecked(true);
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return;
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}
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}
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_ => {}
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}
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}
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}
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}
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NodeListType::Children(ref cl) => {
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for node in cl.get_parent_node().traverse_preorder() {
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// Step 1
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if let Some(input) = node.downcast::<HTMLInputElement>() {
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match input.type_() {
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atom!("radio") if value == DOMString::from("on") => {
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// Step 2
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let val = input.Value();
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if val.is_empty() || val == DOMString::from("on") {
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input.SetChecked(true);
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return;
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}
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}
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atom!("radio") => {
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// Step 2
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if input.Value() == value {
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input.SetChecked(true);
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return;
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}
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}
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_ => {}
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}
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}
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}
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}
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};
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}
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// FIXME: This shouldn't need to be implemented here since NodeList (the parent of
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// RadioNodeList) 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-nodelist-item
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fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<Root<Node>> {
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self.node_list.IndexedGetter(index, found)
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}
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}
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