dom/broadcastchannel/BroadcastChannelService.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_BroadcastChannelService_h
   8 #define mozilla_dom_BroadcastChannelService_h
   9
  10 #include "nsISupportsImpl.h"
  11 #include "nsHashKeys.h"
  12 #include "nsClassHashtable.h"
  13
  14 #ifdef XP_WIN
  15 #  undef PostMessage
  16 #endif
  17
  18 namespace mozilla::dom {
  19
  20 class BroadcastChannelParent;
  21 class MessageData;
  22
  23 class BroadcastChannelService final {
  24  public:
  25   NS_INLINE_DECL_REFCOUNTING(BroadcastChannelService)
  26
  27   static already_AddRefed<BroadcastChannelService> GetOrCreate();
  28
  29   void RegisterActor(BroadcastChannelParent* aParent,
  30                      const nsAString& aOriginChannelKey);
  31   void UnregisterActor(BroadcastChannelParent* aParent,
  32                        const nsAString& aOriginChannelKey);
  33
  34   void PostMessage(BroadcastChannelParent* aParent, const MessageData& aData,
  35                    const nsAString& aOriginChannelKey);
  36
  37  private:
  38   BroadcastChannelService();
  39   ~BroadcastChannelService();
  40
  41   // Raw Pointers because the actors keep alive this service.
  42   nsClassHashtable<nsStringHashKey, nsTArray<BroadcastChannelParent*>> mAgents;
  43 };
  44
  45 }  // namespace mozilla::dom
  46
  47 #endif  // mozilla_dom_BroadcastChannelService_h