1 files changed, 79 insertions, 0 deletions
diff --git a/dom/xul/XULMenuParentElement.h b/dom/xul/XULMenuParentElement.h
new file mode 100644
index 0000000000..066fe541c8
--- /dev/null
+++ b/dom/xul/XULMenuParentElement.h
@@ -0,0 +1,79 @@
+/* -*- 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 XULMenuParentElement_h__
+#define XULMenuParentElement_h__
+
+#include "mozilla/Attributes.h"
+#include "nsISupports.h"
+#include "nsXULElement.h"
+
+namespace mozilla::dom {
+
+class KeyboardEvent;
+class XULButtonElement;
+
+nsXULElement* NS_NewXULMenuParentElement(
+    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+class XULMenuParentElement : public nsXULElement {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULMenuParentElement, nsXULElement)
+
+  explicit XULMenuParentElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+  bool IsMenuBar() const { return NodeInfo()->Equals(nsGkAtoms::menubar); }
+  bool IsMenu() const { return !IsMenuBar(); }
+
+  bool IsLocked() const { return mLocked; }
+
+  void LockMenuUntilClosed(bool aLock);
+
+  bool IsInMenuList() const {
+    return GetParent() && GetParent()->IsXULElement(nsGkAtoms::menulist);
+  }
+
+  XULButtonElement* FindMenuWithShortcut(KeyboardEvent&) const;
+  XULButtonElement* FindMenuWithShortcut(const nsAString& aString,
+                                         bool& aDoAction) const;
+
+  NS_IMPL_FROMNODE_HELPER(XULMenuParentElement,
+                          IsAnyOfXULElements(nsGkAtoms::menupopup,
+                                             nsGkAtoms::popup, nsGkAtoms::panel,
+                                             nsGkAtoms::tooltip,
+                                             nsGkAtoms::menubar));
+
+  XULButtonElement* GetActiveMenuChild() const { return mActiveItem.get(); }
+  enum class ByKey : bool { No, Yes };
+  MOZ_CAN_RUN_SCRIPT void SetActiveMenuChild(XULButtonElement*,
+                                             ByKey = ByKey::No);
+
+  XULButtonElement* GetFirstMenuItem() const;
+  XULButtonElement* GetLastMenuItem() const;
+
+  XULButtonElement* GetNextMenuItemFrom(const XULButtonElement&) const;
+  XULButtonElement* GetPrevMenuItemFrom(const XULButtonElement&) const;
+
+  enum class Wrap : bool { No, Yes };
+  XULButtonElement* GetNextMenuItem(Wrap = Wrap::Yes) const;
+  XULButtonElement* GetPrevMenuItem(Wrap = Wrap::Yes) const;
+
+  XULButtonElement* GetContainingMenu() const;
+
+  MOZ_CAN_RUN_SCRIPT void SelectFirstItem();
+
+ protected:
+  RefPtr<XULButtonElement> mActiveItem;
+  bool mLocked = false;
+
+  ~XULMenuParentElement() override;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // XULMenuParentElement_h