1 files changed, 60 insertions, 0 deletions
diff --git a/dom/base/DOMCursor.h b/dom/base/DOMCursor.h
new file mode 100644
index 0000000000..715cde021f
--- /dev/null
+++ b/dom/base/DOMCursor.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_domcursor_h__
+#define mozilla_dom_domcursor_h__
+
+#include "nsIDOMDOMCursor.h"
+#include "DOMRequest.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsCOMPtr.h"
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+namespace dom {
+
+class DOMCursor : public DOMRequest
+                , public nsIDOMDOMCursor
+{
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_NSIDOMDOMCURSOR
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DOMCursor,
+                                           DOMRequest)
+
+  DOMCursor(nsPIDOMWindowInner* aWindow, nsICursorContinueCallback *aCallback);
+  DOMCursor(nsIGlobalObject* aGlobal, nsICursorContinueCallback *aCallback);
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  bool Done() const
+  {
+    return mFinished;
+  }
+  virtual void Continue(ErrorResult& aRv);
+
+  void Reset();
+  void FireDone();
+
+protected:
+  ~DOMCursor() {}
+
+private:
+  DOMCursor() = delete;
+  // Calling Then() on DOMCursor is a mistake, since the DOMCursor object
+  // should not have a .then() method from JS' point of view.
+  already_AddRefed<mozilla::dom::Promise>
+  Then(JSContext* aCx, AnyCallback* aResolveCallback,
+       AnyCallback* aRejectCallback, ErrorResult& aRv) = delete;
+
+  nsCOMPtr<nsICursorContinueCallback> mCallback;
+  bool mFinished;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_domcursor_h__ */