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/htmldialogelement.rs

@@ -0,0 +1,127 @@
+/* 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, ns};
+use js::rust::HandleObject;
+
+use crate::dom::bindings::cell::DomRefCell;
+use crate::dom::bindings::codegen::Bindings::HTMLDialogElementBinding::HTMLDialogElementMethods;
+use crate::dom::bindings::inheritance::Castable;
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::str::DOMString;
+use crate::dom::document::Document;
+use crate::dom::element::Element;
+use crate::dom::eventtarget::EventTarget;
+use crate::dom::html::htmlelement::HTMLElement;
+use crate::dom::node::{Node, NodeTraits};
+use crate::script_runtime::CanGc;
+
+#[dom_struct]
+pub(crate) struct HTMLDialogElement {
+    htmlelement: HTMLElement,
+    return_value: DomRefCell<DOMString>,
+}
+
+impl HTMLDialogElement {
+    fn new_inherited(
+        local_name: LocalName,
+        prefix: Option<Prefix>,
+        document: &Document,
+    ) -> HTMLDialogElement {
+        HTMLDialogElement {
+            htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
+            return_value: DomRefCell::new(DOMString::new()),
+        }
+    }
+
+    #[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<HTMLDialogElement> {
+        Node::reflect_node_with_proto(
+            Box::new(HTMLDialogElement::new_inherited(
+                local_name, prefix, document,
+            )),
+            document,
+            proto,
+            can_gc,
+        )
+    }
+}
+
+impl HTMLDialogElementMethods<crate::DomTypeHolder> for HTMLDialogElement {
+    // https://html.spec.whatwg.org/multipage/#dom-dialog-open
+    make_bool_getter!(Open, "open");
+
+    // https://html.spec.whatwg.org/multipage/#dom-dialog-open
+    make_bool_setter!(SetOpen, "open");
+
+    // https://html.spec.whatwg.org/multipage/#dom-dialog-returnvalue
+    fn ReturnValue(&self) -> DOMString {
+        let return_value = self.return_value.borrow();
+        return_value.clone()
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-dialog-returnvalue
+    fn SetReturnValue(&self, return_value: DOMString) {
+        *self.return_value.borrow_mut() = return_value;
+    }
+
+    /// <https://html.spec.whatwg.org/multipage/#dom-dialog-show>
+    fn Show(&self, can_gc: CanGc) {
+        let element = self.upcast::<Element>();
+
+        // Step 1 TODO: Check is modal flag is false
+        if element.has_attribute(&local_name!("open")) {
+            return;
+        }
+
+        // TODO: Step 2 If this has an open attribute, then throw an "InvalidStateError" DOMException.
+
+        // Step 3
+        element.set_bool_attribute(&local_name!("open"), true, can_gc);
+
+        // TODO: Step 4 Set this's previously focused element to the focused element.
+
+        // TODO: Step 5 Let hideUntil be the result of running topmost popover ancestor given this, null, and false.
+
+        // TODO: Step 6 If hideUntil is null, then set hideUntil to this's node document.
+
+        // TODO: Step 7 Run hide all popovers until given hideUntil, false, and true.
+
+        // TODO(Issue #32702): Step 8 Run the dialog focusing steps given this.
+    }
+
+    // https://html.spec.whatwg.org/multipage/#dom-dialog-close
+    fn Close(&self, return_value: Option<DOMString>, can_gc: CanGc) {
+        let element = self.upcast::<Element>();
+        let target = self.upcast::<EventTarget>();
+
+        // Step 1 & 2
+        if element
+            .remove_attribute(&ns!(), &local_name!("open"), can_gc)
+            .is_none()
+        {
+            return;
+        }
+
+        // Step 3
+        if let Some(new_value) = return_value {
+            *self.return_value.borrow_mut() = new_value;
+        }
+
+        // TODO: Step 4 implement pending dialog stack removal
+
+        // Step 5
+        self.owner_global()
+            .task_manager()
+            .dom_manipulation_task_source()
+            .queue_simple_event(target, atom!("close"));
+    }
+}