1 files changed, 47 insertions, 0 deletions
diff --git a/dom/broadcastchannel/BroadcastChannelService.h b/dom/broadcastchannel/BroadcastChannelService.h
new file mode 100644
index 0000000000..5ec525d799
--- /dev/null
+++ b/dom/broadcastchannel/BroadcastChannelService.h
@@ -0,0 +1,47 @@
+/* -*- 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_BroadcastChannelService_h
+#define mozilla_dom_BroadcastChannelService_h
+
+#include "nsISupportsImpl.h"
+#include "nsHashKeys.h"
+#include "nsClassHashtable.h"
+
+#ifdef XP_WIN
+#  undef PostMessage
+#endif
+
+namespace mozilla::dom {
+
+class BroadcastChannelParent;
+class MessageData;
+
+class BroadcastChannelService final {
+ public:
+  NS_INLINE_DECL_REFCOUNTING(BroadcastChannelService)
+
+  static already_AddRefed<BroadcastChannelService> GetOrCreate();
+
+  void RegisterActor(BroadcastChannelParent* aParent,
+                     const nsAString& aOriginChannelKey);
+  void UnregisterActor(BroadcastChannelParent* aParent,
+                       const nsAString& aOriginChannelKey);
+
+  void PostMessage(BroadcastChannelParent* aParent, const MessageData& aData,
+                   const nsAString& aOriginChannelKey);
+
+ private:
+  BroadcastChannelService();
+  ~BroadcastChannelService();
+
+  // Raw Pointers because the actors keep alive this service.
+  nsClassHashtable<nsStringHashKey, nsTArray<BroadcastChannelParent*>> mAgents;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_BroadcastChannelService_h