BroadcastChannelService.h

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/* 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 "nsClassHashtable.h"

#include "nsHashKeys.h"

#include "nsISupportsImpl.h"

#ifdef XP_WIN

#  undef PostMessage

#endif

namespace mozilla::dom {

class BroadcastChannelParent;

class SharedMessageBody;

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,

                   NotNull<SharedMessageBody*> 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