/* -*- 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_a11y_IPCTypes_h
#define mozilla_a11y_IPCTypes_h

#ifdef ACCESSIBILITY
#  include "mozilla/a11y/Role.h"

namespace IPC {

template <>
struct ParamTraits<mozilla::a11y::role>
    : public ContiguousEnumSerializerInclusive<mozilla::a11y::role,
                                               mozilla::a11y::role::NOTHING,
                                               mozilla::a11y::role::LAST_ROLE> {
};

}  // namespace IPC
#else
namespace mozilla {
namespace a11y {
typedef uint32_t role;
}  // namespace a11y
}  // namespace mozilla
#endif  // ACCESSIBILITY

/**
 * Since IPDL does not support preprocessing, this header file allows us to
 * define types used by PDocAccessible differently depending on platform.
 */

#if defined(XP_WIN) && defined(ACCESSIBILITY)

// So that we don't include a bunch of other Windows junk.
#  if !defined(COM_NO_WINDOWS_H)
#    define COM_NO_WINDOWS_H
#  endif  // !defined(COM_NO_WINDOWS_H)

// COM headers pull in MSXML which conflicts with our own XMLDocument class.
// This define excludes those conflicting definitions.
#  if !defined(__XMLDocument_FWD_DEFINED__)
#    define __XMLDocument_FWD_DEFINED__
#  endif  // !defined(__XMLDocument_FWD_DEFINED__)

#  include <combaseapi.h>

#  include "mozilla/a11y/COMPtrTypes.h"

// This define in rpcndr.h messes up our code, so we must undefine it after
// COMPtrTypes.h has been included.
#  if defined(small)
#    undef small
#  endif  // defined(small)

#else

namespace mozilla {
namespace a11y {

typedef uint32_t IAccessibleHolder;
typedef uint32_t IDispatchHolder;
typedef uint32_t IHandlerControlHolder;

}  // namespace a11y
}  // namespace mozilla

#endif  // defined(XP_WIN) && defined(ACCESSIBILITY)

#endif  // mozilla_a11y_IPCTypes_h