1 files changed, 58 insertions, 0 deletions
diff --git a/dom/messagechannel/MessageChannel.h b/dom/messagechannel/MessageChannel.h
new file mode 100644
index 0000000000..861cd31229
--- /dev/null
+++ b/dom/messagechannel/MessageChannel.h
@@ -0,0 +1,58 @@
+/* -*- 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_MessageChannel_h
+#define mozilla_dom_MessageChannel_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsWrapperCache.h"
+#include "nsCOMPtr.h"
+
+class nsIGlobalObject;
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+class MessagePort;
+
+class MessageChannel final : public nsISupports, public nsWrapperCache {
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MessageChannel)
+
+  nsIGlobalObject* GetParentObject() const { return mGlobal; }
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  static already_AddRefed<MessageChannel> Constructor(
+      const GlobalObject& aGlobal, ErrorResult& aRv);
+
+  static already_AddRefed<MessageChannel> Constructor(nsIGlobalObject* aGlobal,
+                                                      ErrorResult& aRv);
+
+  MessagePort* Port1() const { return mPort1; }
+
+  MessagePort* Port2() const { return mPort2; }
+
+ private:
+  explicit MessageChannel(nsIGlobalObject* aGlobal);
+  ~MessageChannel();
+
+  nsCOMPtr<nsIGlobalObject> mGlobal;
+
+  RefPtr<MessagePort> mPort1;
+  RefPtr<MessagePort> mPort2;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_MessageChannel_h