script: Move HTML DOM interfaces to script/dom/html/ (#39046)

See #38901.

Testing: Refactor
Fixes: Partially #38901

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

components/script/dom/html/htmloutputelement.rs

@@ -0,0 +1,200 @@
+/* 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 dom_struct::dom_struct;
+use html5ever::{LocalName, Prefix, local_name};
+use js::rust::HandleObject;
+
+use crate::dom::attr::Attr;
+use crate::dom::bindings::cell::DomRefCell;
+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::html::htmlelement::HTMLElement;
+use crate::dom::html::htmlformelement::{FormControl, HTMLFormElement};
+use crate::dom::node::{Node, NodeTraits};
+use crate::dom::nodelist::NodeList;
+use crate::dom::validation::Validatable;
+use crate::dom::validitystate::ValidityState;
+use crate::dom::virtualmethods::VirtualMethods;
+use crate::script_runtime::CanGc;
+
+#[dom_struct]
+pub(crate) struct HTMLOutputElement {
+    htmlelement: HTMLElement,
+    form_owner: MutNullableDom<HTMLFormElement>,
+    labels_node_list: MutNullableDom<NodeList>,
+    default_value_override: DomRefCell<Option<DOMString>>,
+    validity_state: MutNullableDom<ValidityState>,
+}
+
+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),
+            validity_state: Default::default(),
+        }
+    }
+
+    #[cfg_attr(crown, allow(crown::unrooted_must_root))]
+    pub(crate) fn new(
+        local_name: LocalName,
+        prefix: Option<Prefix>,
+        document: &Document,
+        proto: Option<HandleObject>,
+        can_gc: CanGc,
+    ) -> DomRoot<HTMLOutputElement> {
+        Node::reflect_node_with_proto(
+            Box::new(HTMLOutputElement::new_inherited(
+                local_name, prefix, document,
+            )),
+            document,
+            proto,
+            can_gc,
+        )
+    }
+
+    pub(crate) fn reset(&self, can_gc: CanGc) {
+        Node::string_replace_all(self.DefaultValue(), self.upcast::<Node>(), can_gc);
+        *self.default_value_override.borrow_mut() = None;
+    }
+}
+
+impl HTMLOutputElementMethods<crate::DomTypeHolder> for HTMLOutputElement {
+    // 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, can_gc: CanGc) {
+        if self.default_value_override.borrow().is_none() {
+            // Step 1 ("and return")
+            Node::string_replace_all(value.clone(), self.upcast::<Node>(), can_gc);
+        } 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, can_gc: CanGc) {
+        *self.default_value_override.borrow_mut() = Some(self.DefaultValue());
+        Node::string_replace_all(value, self.upcast::<Node>(), can_gc);
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-output-type
+    fn Type(&self) -> DOMString {
+        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");
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-willvalidate
+    fn WillValidate(&self) -> bool {
+        self.is_instance_validatable()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-validity
+    fn Validity(&self) -> DomRoot<ValidityState> {
+        self.validity_state()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-checkvalidity
+    fn CheckValidity(&self, can_gc: CanGc) -> bool {
+        self.check_validity(can_gc)
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-reportvalidity
+    fn ReportValidity(&self, can_gc: CanGc) -> bool {
+        self.report_validity(can_gc)
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-validationmessage
+    fn ValidationMessage(&self) -> DOMString {
+        self.validation_message()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-cva-setcustomvalidity
+    fn SetCustomValidity(&self, error: DOMString) {
+        self.validity_state().set_custom_error_message(error);
+    }
+}
+
+impl VirtualMethods for HTMLOutputElement {
+    fn super_type(&self) -> Option<&dyn VirtualMethods> {
+        Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
+    }
+
+    fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation, can_gc: CanGc) {
+        self.super_type()
+            .unwrap()
+            .attribute_mutated(attr, mutation, can_gc);
+        if attr.local_name() == &local_name!("form") {
+            self.form_attribute_mutated(mutation, can_gc);
+        }
+    }
+}
+
+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(&self) -> &Element {
+        self.upcast::<Element>()
+    }
+}
+
+impl Validatable for HTMLOutputElement {
+    fn as_element(&self) -> &Element {
+        self.upcast()
+    }
+
+    fn validity_state(&self) -> DomRoot<ValidityState> {
+        self.validity_state
+            .or_init(|| ValidityState::new(&self.owner_window(), self.upcast(), CanGc::note()))
+    }
+
+    fn is_instance_validatable(&self) -> bool {
+        // output is not a submittable element (https://html.spec.whatwg.org/multipage/#category-submit)
+        false
+    }
+}