summaryrefslogtreecommitdiffstats
path: root/dom/ipc/PermissionMessageUtils.h
blob: 080532b903721657659c85d26cc18b5e8c7ecc04 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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__