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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::attr::Attr;
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::HTMLOutputElementBinding;
use crate::dom::bindings::codegen::Bindings::HTMLOutputElementBinding::HTMLOutputElementMethods;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::document::Document;
use crate::dom::element::{AttributeMutation, Element};
use crate::dom::htmlelement::HTMLElement;
use crate::dom::htmlformelement::{FormControl, HTMLFormElement};
use crate::dom::node::{window_from_node, Node};
use crate::dom::nodelist::NodeList;
use crate::dom::validitystate::ValidityState;
use crate::dom::virtualmethods::VirtualMethods;
use dom_struct::dom_struct;
use html5ever::{LocalName, Prefix};
#[dom_struct]
pub struct HTMLOutputElement {
htmlelement: HTMLElement,
form_owner: MutNullableDom<HTMLFormElement>,
labels_node_list: MutNullableDom<NodeList>,
default_value_override: DomRefCell<Option<DOMString>>,
}
impl HTMLOutputElement {
fn new_inherited(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
) -> HTMLOutputElement {
HTMLOutputElement {
htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
form_owner: Default::default(),
labels_node_list: Default::default(),
default_value_override: DomRefCell::new(None),
}
}
#[allow(unrooted_must_root)]
pub fn new(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
) -> DomRoot<HTMLOutputElement> {
Node::reflect_node(
Box::new(HTMLOutputElement::new_inherited(
local_name, prefix, document,
)),
document,
HTMLOutputElementBinding::Wrap,
)
}
pub fn reset(&self) {
Node::string_replace_all(self.DefaultValue(), self.upcast::<Node>());
*self.default_value_override.borrow_mut() = None;
}
}
impl HTMLOutputElementMethods for HTMLOutputElement {
// https://html.spec.whatwg.org/multipage/#dom-cva-validity
fn Validity(&self) -> DomRoot<ValidityState> {
let window = window_from_node(self);
ValidityState::new(&window, self.upcast())
}
// https://html.spec.whatwg.org/multipage/#dom-fae-form
fn GetForm(&self) -> Option<DomRoot<HTMLFormElement>> {
self.form_owner()
}
// https://html.spec.whatwg.org/multipage/#dom-lfe-labels
make_labels_getter!(Labels, labels_node_list);
// https://html.spec.whatwg.org/multipage/#dom-output-defaultvaleu
fn DefaultValue(&self) -> DOMString {
let dvo = self.default_value_override.borrow();
if let Some(ref dv) = *dvo {
dv.clone()
} else {
self.upcast::<Node>().descendant_text_content()
}
}
// https://html.spec.whatwg.org/multipage/#dom-output-defaultvalue
fn SetDefaultValue(&self, value: DOMString) {
if self.default_value_override.borrow().is_none() {
// Step 1 ("and return")
Node::string_replace_all(value.clone(), self.upcast::<Node>());
} else {
// Step 2, if not returned from step 1
*self.default_value_override.borrow_mut() = Some(value);
}
}
// https://html.spec.whatwg.org/multipage/#dom-output-value
fn Value(&self) -> DOMString {
self.upcast::<Node>().descendant_text_content()
}
// https://html.spec.whatwg.org/multipage/#dom-output-value
fn SetValue(&self, value: DOMString) {
*self.default_value_override.borrow_mut() = Some(self.DefaultValue());
Node::string_replace_all(value, self.upcast::<Node>());
}
// https://html.spec.whatwg.org/multipage/#dom-output-type
fn Type(&self) -> DOMString {
return DOMString::from("output");
}
// https://html.spec.whatwg.org/multipage/#dom-fe-name
make_atomic_setter!(SetName, "name");
// https://html.spec.whatwg.org/multipage/#dom-fe-name
make_getter!(Name, "name");
}
impl VirtualMethods for HTMLOutputElement {
fn super_type<'b>(&'b self) -> Option<&'b dyn VirtualMethods> {
Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
match attr.local_name() {
&local_name!("form") => {
self.form_attribute_mutated(mutation);
},
_ => {},
}
}
}
impl FormControl for HTMLOutputElement {
fn form_owner(&self) -> Option<DomRoot<HTMLFormElement>> {
self.form_owner.get()
}
fn set_form_owner(&self, form: Option<&HTMLFormElement>) {
self.form_owner.set(form);
}
fn to_element<'a>(&'a self) -> &'a Element {
self.upcast::<Element>()
}
}
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