dom/messagechannel/MessagePortParent.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_MessagePortParent_h
   8 #define mozilla_dom_MessagePortParent_h
   9
  10 #include "mozilla/WeakPtr.h"
  11 #include "mozilla/dom/PMessagePortParent.h"
  12 #include "mozilla/dom/quota/CheckedUnsafePtr.h"
  13
  14 namespace mozilla::dom {
  15
  16 class MessagePortService;
  17
  18 class MessagePortParent final
  19     : public PMessagePortParent,
  20       public SupportsWeakPtr,
  21       public SupportsCheckedUnsafePtr<CheckIf<DiagnosticAssertEnabled>> {
  22   friend class PMessagePortParent;
  23
  24  public:
  25   explicit MessagePortParent(const nsID& aUUID);
  26   ~MessagePortParent();
  27
  28   bool Entangle(const nsID& aDestinationUUID, const uint32_t& aSequenceID);
  29
  30   bool Entangled(nsTArray<MessageData>&& aMessages);
  31
  32   void Close();
  33   void CloseAndDelete();
  34
  35   bool CanSendData() const { return mCanSendData; }
  36
  37   const nsID& ID() const { return mUUID; }
  38
  39   static bool ForceClose(const nsID& aUUID, const nsID& aDestinationUUID,
  40                          const uint32_t& aSequenceID);
  41
  42  private:
  43   mozilla::ipc::IPCResult RecvPostMessages(nsTArray<MessageData>&& aMessages);
  44
  45   mozilla::ipc::IPCResult RecvDisentangle(nsTArray<MessageData>&& aMessages);
  46
  47   mozilla::ipc::IPCResult RecvStopSendingData();
  48
  49   mozilla::ipc::IPCResult RecvClose();
  50
  51   virtual void ActorDestroy(ActorDestroyReason aWhy) override;
  52
  53   RefPtr<MessagePortService> mService;
  54   const nsID mUUID;
  55   bool mEntangled;
  56   bool mCanSendData;
  57 };
  58
  59 }  // namespace mozilla::dom
  60
  61 #endif  // mozilla_dom_MessagePortParent_h