1 files changed, 45 insertions, 0 deletions
diff --git a/dom/messagechannel/MessagePortChild.h b/dom/messagechannel/MessagePortChild.h
new file mode 100644
index 0000000000..74f3683f52
--- /dev/null
+++ b/dom/messagechannel/MessagePortChild.h
@@ -0,0 +1,45 @@
+/* -*- 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_MessagePortChild_h
+#define mozilla_dom_MessagePortChild_h
+
+#include "mozilla/Assertions.h"
+#include "mozilla/dom/PMessagePortChild.h"
+#include "nsISupportsImpl.h"
+
+namespace mozilla::dom {
+
+class MessagePort;
+
+class MessagePortChild final : public PMessagePortChild {
+  friend class PMessagePortChild;
+
+ public:
+  NS_INLINE_DECL_REFCOUNTING(MessagePortChild)
+
+  MessagePortChild();
+
+  void SetPort(MessagePort* aPort) { mPort = aPort; }
+
+ private:
+  ~MessagePortChild() { MOZ_ASSERT(!mPort); }
+
+  mozilla::ipc::IPCResult RecvEntangled(nsTArray<MessageData>&& aMessages);
+
+  mozilla::ipc::IPCResult RecvReceiveData(nsTArray<MessageData>&& aMessages);
+
+  mozilla::ipc::IPCResult RecvStopSendingDataConfirmed();
+
+  virtual void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  // This is a raw pointer because this child is owned by this MessagePort.
+  MessagePort* mPort;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_MessagePortChild_h