1 files changed, 39 insertions, 0 deletions
diff --git a/dom/xul/XULTooltipElement.h b/dom/xul/XULTooltipElement.h
new file mode 100644
index 0000000000..7dffebffe0
--- /dev/null
+++ b/dom/xul/XULTooltipElement.h
@@ -0,0 +1,39 @@
+/* -*- 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 XULTooltipElement_h__
+#define XULTooltipElement_h__
+
+#include "XULPopupElement.h"
+
+namespace mozilla {
+namespace dom {
+
+nsXULElement* NS_NewXULTooltipElement(
+    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+class XULTooltipElement final : public XULPopupElement {
+ public:
+  explicit XULTooltipElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
+      : XULPopupElement(std::move(aNodeInfo)) {}
+  nsresult Init();
+
+  virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                                const nsAttrValue* aValue,
+                                const nsAttrValue* aOldValue,
+                                nsIPrincipal* aSubjectPrincipal,
+                                bool aNotify) override;
+  virtual nsresult PostHandleEvent(EventChainPostVisitor& aVisitor) override;
+
+ protected:
+  virtual ~XULTooltipElement() = default;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // XULPopupElement_h