1 files changed, 51 insertions, 0 deletions
diff --git a/dom/serviceworkers/ServiceWorkerOpPromise.h b/dom/serviceworkers/ServiceWorkerOpPromise.h
new file mode 100644
index 0000000000..cc73e9a2cb
--- /dev/null
+++ b/dom/serviceworkers/ServiceWorkerOpPromise.h
@@ -0,0 +1,51 @@
+/* -*- 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_serviceworkeroppromise_h__
+#define mozilla_dom_serviceworkeroppromise_h__
+
+#include <utility>
+
+#include "mozilla/MozPromise.h"
+
+#include "mozilla/dom/SafeRefPtr.h"
+#include "mozilla/dom/ServiceWorkerOpArgs.h"
+
+namespace mozilla::dom {
+
+class InternalResponse;
+
+using SynthesizeResponseArgs =
+    std::tuple<SafeRefPtr<InternalResponse>, FetchEventRespondWithClosure,
+               FetchEventTimeStamps>;
+
+using FetchEventRespondWithResult =
+    Variant<SynthesizeResponseArgs, ResetInterceptionArgs,
+            CancelInterceptionArgs>;
+
+using FetchEventRespondWithPromise =
+    MozPromise<FetchEventRespondWithResult, CancelInterceptionArgs, true>;
+
+// The reject type int is arbitrary, since this promise will never get rejected.
+// Unfortunately void is not supported as a reject type.
+using FetchEventPreloadResponseAvailablePromise =
+    MozPromise<SafeRefPtr<InternalResponse>, int, true>;
+
+using FetchEventPreloadResponseTimingPromise =
+    MozPromise<ResponseTiming, int, true>;
+
+using FetchEventPreloadResponseEndPromise =
+    MozPromise<ResponseEndArgs, int, true>;
+
+using ServiceWorkerOpPromise =
+    MozPromise<ServiceWorkerOpResult, nsresult, true>;
+
+using ServiceWorkerFetchEventOpPromise =
+    MozPromise<ServiceWorkerFetchEventOpResult, nsresult, true>;
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_serviceworkeroppromise_h__