libpurple/dbus-maybe.h

   1 /*
   2  * purple
   3  *
   4  * Purple is the legal property of its developers, whose names are too numerous
   5  * to list here.  Please refer to the COPYRIGHT file distributed with this
   6  * source distribution.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  21  *
  22  */
  23 #ifndef _PURPLE_DBUS_MAYBE_H_
  24 #define _PURPLE_DBUS_MAYBE_H_
  25 /**
  26  * SECTION:dbus-maybe
  27  * @section_id: libpurple-dbus-maybe
  28  * @short_description: <filename>dbus-maybe.h</filename>
  29  * @title: DBUS Wrappers
  30  *
  31  * This file contains macros that wrap calls to the purple dbus module.
  32  * These macros call the appropriate functions if the build includes
  33  * dbus support and do nothing otherwise.  See "dbus-server.h" for
  34  * documentation.
  35  */
  36
  37 #ifdef HAVE_DBUS
  38
  39 #ifndef DBUS_API_SUBJECT_TO_CHANGE
  40 #define DBUS_API_SUBJECT_TO_CHANGE
  41 #endif
  42
  43 #include "dbus-server.h"
  44
  45 /* this provides a type check */
  46 #define PURPLE_DBUS_REGISTER_POINTER(ptr, type) { \
  47     type *typed_ptr = ptr; \
  48     purple_dbus_register_pointer(typed_ptr, PURPLE_DBUS_TYPE(type));    \
  49 }
  50 #define PURPLE_DBUS_UNREGISTER_POINTER(ptr) purple_dbus_unregister_pointer(ptr)
  51
  52 #else  /* !HAVE_DBUS */
  53
  54 #define PURPLE_DBUS_REGISTER_POINTER(ptr, type) { \
  55     if (ptr) {} \
  56 }
  57
  58 #define PURPLE_DBUS_UNREGISTER_POINTER(ptr)
  59
  60 #endif  /* HAVE_DBUS */
  61
  62 #endif