1 files changed, 41 insertions, 0 deletions
diff --git a/dom/file/ipc/RemoteLazyInputStreamChild.h b/dom/file/ipc/RemoteLazyInputStreamChild.h
new file mode 100644
index 0000000000..c95ed9f058
--- /dev/null
+++ b/dom/file/ipc/RemoteLazyInputStreamChild.h
@@ -0,0 +1,41 @@
+/* -*- 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_RemoteLazyInputStreamChild_h
+#define mozilla_RemoteLazyInputStreamChild_h
+
+#include "mozilla/PRemoteLazyInputStreamChild.h"
+
+namespace mozilla {
+
+class RemoteLazyInputStream;
+
+class RemoteLazyInputStreamChild final : public PRemoteLazyInputStreamChild {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RemoteLazyInputStreamChild, final)
+
+  explicit RemoteLazyInputStreamChild(const nsID& aID);
+
+  const nsID& StreamID() const { return mID; }
+
+  // Manage the count of streams registered on this actor. When the count
+  // reaches 0 the connection to our remote process will be closed.
+  void StreamCreated();
+  void StreamConsumed();
+
+  void ActorDestroy(ActorDestroyReason aReason) override;
+
+ private:
+  ~RemoteLazyInputStreamChild() override;
+
+  const nsID mID;
+
+  std::atomic<size_t> mStreamCount{0};
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_RemoteLazyInputStreamChild_h