1 files changed, 82 insertions, 0 deletions
diff --git a/dom/html/HTMLElement.h b/dom/html/HTMLElement.h
new file mode 100644
index 0000000000..6943d46b6d
--- /dev/null
+++ b/dom/html/HTMLElement.h
@@ -0,0 +1,82 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_HTMLElement_h
+#define mozilla_dom_HTMLElement_h
+
+#include "nsGenericHTMLElement.h"
+
+namespace mozilla::dom {
+
+class HTMLElement final : public nsGenericHTMLFormElement {
+ public:
+  explicit HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLElement,
+                                           nsGenericHTMLFormElement)
+
+  // EventTarget
+  void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
+
+  // nsINode
+  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+  nsINode* GetScopeChainParent() const override;
+
+  // nsIContent
+  nsresult BindToTree(BindContext&, nsINode& aParent) override;
+  void UnbindFromTree(bool aNullParent = true) override;
+
+  // Element
+  void SetCustomElementDefinition(
+      CustomElementDefinition* aDefinition) override;
+  bool IsLabelable() const override { return IsFormAssociatedElement(); }
+
+  // nsGenericHTMLElement
+  // https://html.spec.whatwg.org/multipage/custom-elements.html#dom-attachinternals
+  already_AddRefed<mozilla::dom::ElementInternals> AttachInternals(
+      ErrorResult& aRv) override;
+  bool IsDisabledForEvents(WidgetEvent* aEvent) override;
+
+  // nsGenericHTMLFormElement
+  bool IsFormAssociatedElement() const override;
+  void AfterClearForm(bool aUnbindOrDelete) override;
+  void FieldSetDisabledChanged(bool aNotify) override;
+
+  void UpdateFormOwner();
+
+ protected:
+  virtual ~HTMLElement() = default;
+
+  JSObject* WrapNode(JSContext* aCx,
+                     JS::Handle<JSObject*> aGivenProto) override;
+
+  // Element
+  void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,
+                    nsIPrincipal* aMaybeScriptedPrincipal,
+                    bool aNotify) override;
+  ElementState IntrinsicState() const override;
+
+  // nsGenericHTMLFormElement
+  void SetFormInternal(HTMLFormElement* aForm, bool aBindToTree) override;
+  HTMLFormElement* GetFormInternal() const override;
+  void SetFieldSetInternal(HTMLFieldSetElement* aFieldset) override;
+  HTMLFieldSetElement* GetFieldSetInternal() const override;
+  bool CanBeDisabled() const override;
+  bool DoesReadOnlyApply() const override;
+  void UpdateDisabledState(bool aNotify) override;
+  void UpdateFormOwner(bool aBindToTree, Element* aFormIdElement) override;
+
+  void UpdateBarredFromConstraintValidation();
+
+  ElementInternals* GetElementInternals() const;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_HTMLElement_h