1 files changed, 59 insertions, 0 deletions
diff --git a/dom/xul/XULMenuBarElement.h b/dom/xul/XULMenuBarElement.h
new file mode 100644
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+++ b/dom/xul/XULMenuBarElement.h
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+/* -*- 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 XULMenuBarElement_h__
+#define XULMenuBarElement_h__
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/NameSpaceConstants.h"
+#include "nsINode.h"
+#include "nsISupports.h"
+#include "XULMenuParentElement.h"
+
+namespace mozilla::dom {
+
+class KeyboardEvent;
+class XULButtonElement;
+class MenuBarListener;
+
+nsXULElement* NS_NewXULMenuBarElement(
+    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+class XULMenuBarElement final : public XULMenuParentElement {
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULMenuBarElement,
+                                           XULMenuParentElement)
+  NS_IMPL_FROMNODE_WITH_TAG(XULMenuBarElement, kNameSpaceID_XUL, menubar)
+
+  explicit XULMenuBarElement(already_AddRefed<class NodeInfo>&&);
+
+  MOZ_CAN_RUN_SCRIPT void SetActive(bool);
+  bool IsActive() const { return mIsActive; }
+
+  void SetActiveByKeyboard() { mActiveByKeyboard = true; }
+  bool IsActiveByKeyboard() const { return mActiveByKeyboard; }
+
+  nsresult BindToTree(BindContext&, nsINode& aParent) override;
+  void UnbindFromTree(bool aNullParent) override;
+
+ protected:
+  ~XULMenuBarElement() override;
+
+  // Whether or not the menu bar is active (a menu item is highlighted or
+  // shown).
+  bool mIsActive = false;
+
+  // Whether the menubar was made active via the keyboard.
+  bool mActiveByKeyboard = false;
+
+  // The event listener that listens to document key presses and so on.
+  RefPtr<MenuBarListener> mListener;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // XULMenuBarElement_h