1 files changed, 60 insertions, 0 deletions
diff --git a/dom/events/ScrollAreaEvent.h b/dom/events/ScrollAreaEvent.h
new file mode 100644
index 0000000000..4ba96ef9f4
--- /dev/null
+++ b/dom/events/ScrollAreaEvent.h
@@ -0,0 +1,60 @@
+/* -*- 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_ScrollAreaEvent_h_
+#define mozilla_dom_ScrollAreaEvent_h_
+
+#include "mozilla/dom/DOMRect.h"
+#include "mozilla/dom/ScrollAreaEventBinding.h"
+#include "mozilla/dom/UIEvent.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/EventForwards.h"
+
+namespace mozilla::dom {
+
+class ScrollAreaEvent : public UIEvent {
+ public:
+  ScrollAreaEvent(EventTarget* aOwner, nsPresContext* aPresContext,
+                  InternalScrollAreaEvent* aEvent);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ScrollAreaEvent, UIEvent)
+
+  void Serialize(IPC::MessageWriter* aWriter,
+                 bool aSerializeInterfaceType) override;
+  bool Deserialize(IPC::MessageReader* aReader) override;
+
+  virtual JSObject* WrapObjectInternal(
+      JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override {
+    return ScrollAreaEvent_Binding::Wrap(aCx, this, aGivenProto);
+  }
+
+  float X() const { return mClientArea->Left(); }
+
+  float Y() const { return mClientArea->Top(); }
+
+  float Width() const { return mClientArea->Width(); }
+
+  float Height() const { return mClientArea->Height(); }
+
+  void InitScrollAreaEvent(const nsAString& aType, bool aCanBubble,
+                           bool aCancelable, nsGlobalWindowInner* aView,
+                           int32_t aDetail, float aX, float aY, float aWidth,
+                           float aHeight);
+
+ protected:
+  ~ScrollAreaEvent() = default;
+
+  RefPtr<DOMRect> mClientArea;
+};
+
+}  // namespace mozilla::dom
+
+already_AddRefed<mozilla::dom::ScrollAreaEvent> NS_NewDOMScrollAreaEvent(
+    mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
+    mozilla::InternalScrollAreaEvent* aEvent);
+
+#endif  // mozilla_dom_ScrollAreaEvent_h_