1 files changed, 59 insertions, 0 deletions
diff --git a/dom/file/ipc/RemoteLazyInputStreamUtils.h b/dom/file/ipc/RemoteLazyInputStreamUtils.h
new file mode 100644
index 0000000000..b65d46d004
--- /dev/null
+++ b/dom/file/ipc/RemoteLazyInputStreamUtils.h
@@ -0,0 +1,59 @@
+/* -*- 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_RemoteLazyInputStreamUtils_h
+#define mozilla_RemoteLazyInputStreamUtils_h
+
+#include <cstdint>
+
+/*
+ * RemoteLazyInputStream was previously part of the IPCBlob world.
+ * See IPCBlobUtils.h to know how to use it. As a follow up, the documentation
+ * will be partially moved here too.
+ */
+
+class nsIInputStream;
+enum class nsresult : uint32_t;
+
+namespace mozilla {
+
+class RemoteLazyStream;
+
+namespace ipc {
+class IPCStream;
+class PBackgroundChild;
+class PBackgroundParent;
+}  // namespace ipc
+
+namespace dom {
+class ContentChild;
+class ContentParent;
+}  // namespace dom
+
+class RemoteLazyInputStreamUtils final {
+ public:
+  static nsresult SerializeInputStream(nsIInputStream* aInputStream,
+                                       uint64_t aSize,
+                                       RemoteLazyStream& aOutStream,
+                                       dom::ContentParent* aManager);
+
+  static nsresult SerializeInputStream(
+      nsIInputStream* aInputStream, uint64_t aSize,
+      RemoteLazyStream& aOutStream, mozilla::ipc::PBackgroundParent* aManager);
+
+  static nsresult SerializeInputStream(nsIInputStream* aInputStream,
+                                       uint64_t aSize,
+                                       RemoteLazyStream& aOutStream,
+                                       dom::ContentChild* aManager);
+
+  static nsresult SerializeInputStream(
+      nsIInputStream* aInputStream, uint64_t aSize,
+      RemoteLazyStream& aOutStream, mozilla::ipc::PBackgroundChild* aManager);
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_RemoteLazyInputStreamUtils_h