dom/origin-trials/OriginTrialsIPCUtils.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 mozilla_OriginTrialsIPCUtils_h
   8 #define mozilla_OriginTrialsIPCUtils_h
   9
  10 #include "mozilla/OriginTrials.h"
  11 #include "mozilla/EnumTypeTraits.h"
  12 #include "ipc/EnumSerializer.h"
  13
  14 namespace mozilla {
  15 template <>
  16 struct MaxEnumValue<OriginTrial> {
  17   static constexpr unsigned int value =
  18       static_cast<unsigned int>(OriginTrial::MAX);
  19 };
  20 }  // namespace mozilla
  21
  22 namespace IPC {
  23
  24 template <>
  25 struct ParamTraits<mozilla::OriginTrials> {
  26   using paramType = mozilla::OriginTrials;
  27   using RawType = mozilla::OriginTrials::RawType;
  28
  29   static void Write(MessageWriter* aWriter, const paramType& aParam) {
  30     WriteParam(aWriter, aParam.Raw());
  31   }
  32
  33   static bool Read(MessageReader* aReader, paramType* aResult) {
  34     RawType raw;
  35     if (!ReadParam(aReader, &raw)) {
  36       return false;
  37     }
  38     *aResult = mozilla::OriginTrials::FromRaw(raw);
  39     return true;
  40   }
  41 };
  42
  43 }  // namespace IPC
  44
  45 #endif