1 files changed, 52 insertions, 0 deletions
diff --git a/dom/messagechannel/MessagePortChild.h b/dom/messagechannel/MessagePortChild.h
new file mode 100644
index 000000000..4777bc64e
--- /dev/null
+++ b/dom/messagechannel/MessagePortChild.h
@@ -0,0 +1,52 @@
+/* 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 {
+namespace dom {
+
+class MessagePort;
+
+class MessagePortChild final : public PMessagePortChild
+{
+public:
+  NS_INLINE_DECL_REFCOUNTING(MessagePortChild)
+
+  MessagePortChild() : mPort(nullptr) {}
+
+  void SetPort(MessagePort* aPort)
+  {
+    mPort = aPort;
+  }
+
+private:
+  ~MessagePortChild()
+  {
+    MOZ_ASSERT(!mPort);
+  }
+
+  virtual bool
+  RecvEntangled(nsTArray<MessagePortMessage>&& aMessages) override;
+
+  virtual bool
+  RecvReceiveData(nsTArray<MessagePortMessage>&& aMessages) override;
+
+  virtual bool RecvStopSendingDataConfirmed() override;
+
+  virtual void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  // This is a raw pointer because this child is owned by this MessagePort.
+  MessagePort* mPort;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_MessagePortChild_h