libmmanager/mm-category-provider.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 <config.h>
  22 #include <glib-object.h>
  23 #include <glib.h>
  24
  25 #include "mm-category-provider.h"
  26 #include "mm-application-provider.h"
  27 #include "mm-application.h"
  28
  29 static void
  30 mm_category_provider_base_init (gpointer klass)
  31 {
  32
  33 }
  34
  35 GType
  36 mm_category_provider_get_type (void)
  37 {
  38   static GType type = 0;
  39
  40   if (!type) {
  41     const GTypeInfo info = {
  42       sizeof (MMCategoryProviderIface),
  43       mm_category_provider_base_init,
  44       NULL,
  45       NULL,
  46       NULL,
  47       NULL,
  48       0,
  49       0,
  50       NULL
  51     };
  52
  53     type = g_type_register_static (G_TYPE_INTERFACE,
  54                                    "MMCategoryProvider",
  55                                    &info, 0);
  56     g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
  57   }
  58
  59   return type;
  60 }
  61
  62 /**
  63  * mm_category_provider_get_categories:
  64  * @provider: a #MMCategoryProvider.
  65  * @application: a #MMApplication.
  66  *
  67  * Gets the list of #MMCategory objects provided by @provider for
  68  * @application.
  69  *
  70  * Return value: a #GList of #MMCategory objects.
  71  */
  72
  73 GList *
  74 mm_category_provider_get_categories (MMCategoryProvider *provider,
  75                                      MMApplication *application)
  76 {
  77   g_return_val_if_fail (MM_IS_CATEGORY_PROVIDER (provider), NULL);
  78   g_return_val_if_fail (MM_CATEGORY_PROVIDER_GET_IFACE (provider)->get_categories != NULL, NULL);
  79   g_return_val_if_fail (MM_IS_APPLICATION (application), NULL);
  80   g_return_val_if_fail (application != NULL, NULL);
  81
  82   return MM_CATEGORY_PROVIDER_GET_IFACE (provider)->get_categories (provider, application);
  83 }