libmmanager/mm-hit-collection-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 "mm-hit-collection-provider.h"
  24 #include "mm-category.h"
  25 #include "mm-filter.h"
  26 #include "mm-hit-collection.h"
  27
  28 static void
  29 mm_hit_collection_provider_base_init (gpointer klass)
  30 {
  31
  32 }
  33
  34 GType
  35 mm_hit_collection_provider_get_type (void)
  36 {
  37   static GType type = 0;
  38
  39   if (!type) {
  40     const GTypeInfo info = {
  41       sizeof (MMHitCollectionProviderIface),
  42       mm_hit_collection_provider_base_init,
  43       NULL,
  44       NULL,
  45       NULL,
  46       NULL,
  47       0,
  48       0,
  49       NULL
  50     };
  51
  52     type = g_type_register_static (G_TYPE_INTERFACE,
  53                                    "MMHitCollectionProvider",
  54                                    &info, 0);
  55     g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
  56   }
  57
  58   return type;
  59 }
  60
  61 /* public method */
  62
  63 /**
  64  * mm_hit_collection_provider_get_hits:
  65  * @provider: a #MMHitCollectionProvider.
  66  * @category: a #MMCategory.
  67  * @filter: a #MMFilter.
  68  *
  69  * Gets the #MMHitCollection provided by @provider, passing to the module
  70  * the category and the filter for the query.
  71  *
  72  * Return value: a #MMHitCollection.
  73  */
  74
  75 MMHitCollection *
  76 mm_hit_collection_provider_get_hits (MMHitCollectionProvider *provider,
  77                                      MMCategory              *category,
  78                                      MMFilter                *filter)
  79 {
  80   g_return_val_if_fail (MM_IS_HIT_COLLECTION_PROVIDER (provider), NULL);
  81   g_return_val_if_fail (MM_IS_CATEGORY (category), NULL);
  82   g_return_val_if_fail (MM_IS_FILTER (filter), NULL);
  83   g_return_val_if_fail (MM_HIT_COLLECTION_PROVIDER_GET_IFACE (provider)->get_hits != NULL, NULL);
  84
  85   return MM_HIT_COLLECTION_PROVIDER_GET_IFACE (provider)->get_hits (provider,
  86                                                                     category,
  87                                                                     filter);
  88 }