зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
3.1 KiB
Rust
95 строки
3.1 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::attr::Attr;
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use dom::bindings::codegen::Bindings::HTMLOutputElementBinding;
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use dom::bindings::codegen::Bindings::HTMLOutputElementBinding::HTMLOutputElementMethods;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::{MutNullableJS, Root};
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use dom::document::Document;
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use dom::element::{AttributeMutation, Element};
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use dom::htmlelement::HTMLElement;
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use dom::htmlformelement::{FormControl, HTMLFormElement};
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use dom::node::{Node, window_from_node};
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use dom::nodelist::NodeList;
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use dom::validitystate::ValidityState;
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use dom::virtualmethods::VirtualMethods;
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use dom_struct::dom_struct;
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use html5ever::{LocalName, Prefix};
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#[dom_struct]
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pub struct HTMLOutputElement {
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htmlelement: HTMLElement,
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form_owner: MutNullableJS<HTMLFormElement>,
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}
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impl HTMLOutputElement {
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fn new_inherited(local_name: LocalName,
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prefix: Option<Prefix>,
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document: &Document) -> HTMLOutputElement {
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HTMLOutputElement {
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htmlelement:
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HTMLElement::new_inherited(local_name, prefix, document),
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form_owner: Default::default(),
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}
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}
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#[allow(unrooted_must_root)]
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pub fn new(local_name: LocalName,
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prefix: Option<Prefix>,
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document: &Document) -> Root<HTMLOutputElement> {
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Node::reflect_node(box HTMLOutputElement::new_inherited(local_name, prefix, document),
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document,
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HTMLOutputElementBinding::Wrap)
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}
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}
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impl HTMLOutputElementMethods for HTMLOutputElement {
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// https://html.spec.whatwg.org/multipage/#dom-cva-validity
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fn Validity(&self) -> Root<ValidityState> {
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let window = window_from_node(self);
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ValidityState::new(&window, self.upcast())
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}
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// https://html.spec.whatwg.org/multipage/#dom-fae-form
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fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
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self.form_owner()
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}
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// https://html.spec.whatwg.org/multipage/#dom-lfe-labels
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fn Labels(&self) -> Root<NodeList> {
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self.upcast::<HTMLElement>().labels()
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}
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}
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impl VirtualMethods for HTMLOutputElement {
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fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
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Some(self.upcast::<HTMLElement>() as &VirtualMethods)
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}
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fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
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self.super_type().unwrap().attribute_mutated(attr, mutation);
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match attr.local_name() {
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&local_name!("form") => {
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self.form_attribute_mutated(mutation);
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},
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_ => {},
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}
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}
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}
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impl FormControl for HTMLOutputElement {
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fn form_owner(&self) -> Option<Root<HTMLFormElement>> {
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self.form_owner.get()
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}
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fn set_form_owner(&self, form: Option<&HTMLFormElement>) {
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self.form_owner.set(form);
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}
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fn to_element<'a>(&'a self) -> &'a Element {
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self.upcast::<Element>()
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}
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}
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