1 files changed, 38 insertions, 0 deletions
diff --git a/dom/promise/PromiseNativeHandler.h b/dom/promise/PromiseNativeHandler.h
new file mode 100644
index 000000000..6ba7142aa
--- /dev/null
+++ b/dom/promise/PromiseNativeHandler.h
@@ -0,0 +1,38 @@
+/* -*- 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_PromiseNativeHandler_h
+#define mozilla_dom_PromiseNativeHandler_h
+
+#include "nsISupports.h"
+#include "js/TypeDecls.h"
+
+namespace mozilla {
+namespace dom {
+
+/*
+ * PromiseNativeHandler allows C++ to react to a Promise being rejected/resolved.
+ * A PromiseNativeHandler can be appended to a Promise using
+ * Promise::AppendNativeHandler().
+ */
+class PromiseNativeHandler : public nsISupports
+{
+protected:
+  virtual ~PromiseNativeHandler()
+  { }
+
+public:
+  virtual void
+  ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) = 0;
+
+  virtual void
+  RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) = 0;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_PromiseNativeHandler_h