dom/ipc/PermissionMessageUtils.h
author Julian Seward <jseward@acm.org>
Tue, 24 Jan 2017 17:10:01 +0100
changeset 330880 a9f258d042482099bbbd9bfd235efbf742959df0
parent 305391 d086a8f4846f5086ea9ff0a91a2b23d6a6fa231d
child 412765 30c42e2e0944275bc5cdce3ef9cc1180ad4f37df
permissions -rw-r--r--
Bug 1232696 - Remove NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW as it causes segfaulting for GCC 6 builds (1 of 5, fixes for view/). r=tnikkel.

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_permission_message_utils_h__
#define mozilla_dom_permission_message_utils_h__

#include "ipc/IPCMessageUtils.h"
#include "nsCOMPtr.h"
#include "nsIPrincipal.h"

namespace IPC {

class Principal
{
  friend struct ParamTraits<Principal>;

public:
  Principal()
    : mPrincipal(nullptr)
  {}

  explicit Principal(nsIPrincipal* aPrincipal)
    : mPrincipal(aPrincipal)
  {}

  operator nsIPrincipal*() const { return mPrincipal.get(); }

  Principal& operator=(const Principal& aOther)
  {
    mPrincipal = aOther.mPrincipal;
    return *this;
  }

private:
  nsCOMPtr<nsIPrincipal> mPrincipal;
};

template <>
struct ParamTraits<Principal>
{
  typedef Principal paramType;
  static void Write(Message* aMsg, const paramType& aParam);
  static bool Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult);
};

} // namespace IPC

#endif // mozilla_dom_permission_message_utils_h__