src/mm-attribute-manager.c

   1 /* MManager - a Desktop wide manager for multimedia applications.
   2  *
   3  * Copyright (C) 2008 Cosimo Cecchi <cosimoc@gnome.org>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "mm-attribute-manager.h"
  22
  23 #include <glib.h>
  24 #include <glib-object.h>
  25
  26 static void
  27 mm_attribute_manager_base_init (gpointer g_class)
  28 {
  29
  30 }
  31
  32 GType
  33 mm_attribute_manager_get_type (void)
  34 {
  35   static GType type = 0;
  36
  37   if (G_UNLIKELY (type == 0)) {
  38     const GTypeInfo our_info = {
  39       sizeof (MMAttributeManagerIface),
  40       mm_attribute_manager_base_init,
  41       NULL,
  42     };
  43
  44     type = g_type_register_static (G_TYPE_INTERFACE,
  45                                    "MMAttributeManager",
  46                                    &our_info, (GTypeFlags) 0);
  47         }
  48
  49   return type;
  50 }
  51
  52 /* public methods */
  53
  54 /**
  55  * mm_attribute_manager_get_supported_attributes:
  56  * @am: a #MMAttributeManager.
  57  *
  58  * Gets a list of all the #MMAttribute<!-- --!>s supported by @am.
  59  *
  60  * Return value: a #GList containing all the #MMAttribute<!-- --!>s supported by
  61  * @am. Use #g_list_free when done with it.
  62  */
  63
  64 GList *
  65 mm_attribute_manager_get_supported_attributes (MMAttributeManager *am)
  66 {
  67   MMAttributeManagerIface *iface = MM_ATTRIBUTE_MANAGER_GET_IFACE (am);
  68
  69   return iface->get_supported_attributes (am);
  70 }
  71
  72 /**
  73  * mm_attribute_manager_lookup_attribute:
  74  * @am: a #MMAttributeManager.
  75  * @id: a #MMAttribute unique identifier.
  76  *
  77  * Looks up the #MMAttribute identified by @id among those supported by @am.
  78  *
  79  * Return value: a #MMAttribute if the attribute is found, %NULL else. You
  80  * must not modify or free the #MMAttribute got this way.
  81  */
  82
  83 MMAttribute *
  84 mm_attribute_manager_lookup_attribute (MMAttributeManager *am,
  85                                        const char *id)
  86 {
  87   MMAttributeManagerIface *iface = MM_ATTRIBUTE_MANAGER_GET_IFACE (am);
  88
  89   return iface->lookup_attribute (am, id);
  90 }