1 files changed, 60 insertions, 0 deletions
diff --git a/dom/messagechannel/MessagePortService.h b/dom/messagechannel/MessagePortService.h
new file mode 100644
index 0000000000..c98900f366
--- /dev/null
+++ b/dom/messagechannel/MessagePortService.h
@@ -0,0 +1,60 @@
+/* -*- 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_MessagePortService_h
+#define mozilla_dom_MessagePortService_h
+
+#include "nsClassHashtable.h"
+#include "nsHashKeys.h"
+#include "nsISupportsImpl.h"
+
+namespace mozilla::dom {
+
+class MessagePortParent;
+class SharedMessageBody;
+
+class MessagePortService final {
+ public:
+  NS_INLINE_DECL_REFCOUNTING(MessagePortService)
+
+  // Needs to be public for the MOZ_DECLARE_RELOCATE_USING_MOVE_CONSTRUCTOR
+  // macro.
+  struct NextParent;
+
+  static MessagePortService* Get();
+  static MessagePortService* GetOrCreate();
+
+  bool RequestEntangling(MessagePortParent* aParent,
+                         const nsID& aDestinationUUID,
+                         const uint32_t& aSequenceID);
+
+  bool DisentanglePort(MessagePortParent* aParent,
+                       FallibleTArray<RefPtr<SharedMessageBody>> aMessages);
+
+  bool ClosePort(MessagePortParent* aParent);
+
+  bool PostMessages(MessagePortParent* aParent,
+                    FallibleTArray<RefPtr<SharedMessageBody>> aMessages);
+
+  void ParentDestroy(MessagePortParent* aParent);
+
+  bool ForceClose(const nsID& aUUID, const nsID& aDestinationUUID,
+                  const uint32_t& aSequenceID);
+
+ private:
+  ~MessagePortService() = default;
+
+  void CloseAll(const nsID& aUUID, bool aForced = false);
+  void MaybeShutdown();
+
+  class MessagePortServiceData;
+
+  nsClassHashtable<nsIDHashKey, MessagePortServiceData> mPorts;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_MessagePortService_h