dom/ipc/PropertyBagUtils.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
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef IPC_PropertyBagUtils_h
   8 #define IPC_PropertyBagUtils_h
   9
  10 #include "mozilla/ipc/IPDLParamTraits.h"
  11 #include "nsIPropertyBag2.h"
  12 #include "nsIVariant.h"
  13
  14 namespace mozilla::ipc {
  15
  16 /**
  17  * Limited nsIVariant support. Not all types are implemented and only
  18  * nsIURI is implemented with nsIVariant::GetAsInterface.
  19  */
  20 template <>
  21 struct IPDLParamTraits<nsIVariant*> {
  22   static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
  23                     nsIVariant* aParam);
  24   static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
  25                    RefPtr<nsIVariant>* aResult);
  26 };
  27
  28 template <>
  29 struct IPDLParamTraits<nsIPropertyBag2*> {
  30   static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
  31                     nsIPropertyBag2* aParam);
  32   static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
  33                    RefPtr<nsIPropertyBag2>* aResult);
  34 };
  35
  36 }  // namespace mozilla::ipc
  37
  38 #endif  // mozilla_ipc_URIUtils_h