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aa15dc269f
http://www.robohornet.org gives a score of 101.36 on master, and 102.68 with this PR. The latter is slightly better, but probably within noise level. So it looks like this PR does not affect DOM performance. This is expected since `Box::new` is defined as: ```rust impl<T> Box<T> { #[inline(always)] pub fn new(x: T) -> Box<T> { box x } } ``` With inlining, it should compile to the same as box syntax.
107 lines
4 KiB
Rust
107 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::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::inheritance::Castable;
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use dom::bindings::reflector::reflect_dom_object;
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use dom::bindings::root::{Dom, DomRoot};
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use dom::bindings::str::DOMString;
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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 dom_struct::dom_struct;
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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) -> DomRoot<RadioNodeList> {
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reflect_dom_object(Box::new(RadioNodeList::new_inherited(list_type)),
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window,
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RadioNodeListBinding::Wrap)
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}
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pub fn new_simple_list<T>(window: &Window, iter: T) -> DomRoot<RadioNodeList>
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where T: Iterator<Item=DomRoot<Node>> {
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RadioNodeList::new(window, NodeListType::Simple(iter.map(|r| Dom::from_ref(&*r)).collect()))
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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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self.upcast::<NodeList>().as_simple_list().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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// https://html.spec.whatwg.org/multipage/#dom-radionodelist-value
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fn SetValue(&self, value: DOMString) {
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for node in self.upcast::<NodeList>().as_simple_list().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 == 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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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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// 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) -> Option<DomRoot<Node>> {
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self.node_list.IndexedGetter(index)
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}
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}
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