src/mm-module-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 <glib.h>
  22 #include <glib-object.h>
  23
  24 #include "mm-module-manager.h"
  25 #include "mm-application-provider.h"
  26 #include "mm-category-provider.h"
  27 #include "mm-hit-collection-provider.h"
  28 #include "mm-module.h"
  29
  30 #define MM_MODULE_MANAGER_GET_PRIVATE(o) \
  31    (G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_MODULE_MANAGER, MMModuleManagerDetails))
  32
  33 G_DEFINE_TYPE (MMModuleManager, mm_module_manager, G_TYPE_OBJECT);
  34
  35 struct _MMModuleManagerDetails {
  36   GList *modules;
  37   char  *path;
  38 };
  39
  40 static void
  41 load_modules (MMModuleManager *manager)
  42 {
  43   MMModuleManagerDetails *details = manager->details;
  44   GDir *dir;
  45   GError *error = NULL;
  46
  47   dir = g_dir_open (details->path, 0, &error);
  48   if (!dir) {
  49     g_warning ("Unable to load modules from %s: %s",
  50                details->path, error->message);
  51   } else {
  52     const char *name;
  53
  54     while ((name = g_dir_read_name (dir))) {
  55       if (g_str_has_suffix (name, "." G_MODULE_SUFFIX)) {
  56         char *filename;
  57         MMModule *module;
  58
  59         filename = g_build_filename (details->path, name, NULL);
  60         module = mm_module_load_file (filename);
  61         g_free (filename);
  62
  63         if (module) {
  64           details->modules = g_list_prepend (details->modules, module);
  65         }
  66       }
  67     }
  68     g_dir_close (dir);
  69   }
  70   if (error) {
  71     g_error_free (error);
  72   }
  73 }
  74
  75 static void
  76 mm_module_manager_finalize (GObject *o)
  77 {
  78   MMModuleManager *manager = MM_MODULE_MANAGER (o);
  79
  80   g_free (manager->details->path);
  81   g_list_free (manager->details->modules);
  82
  83   G_OBJECT_CLASS (mm_module_manager_parent_class)->finalize (o);
  84 }
  85
  86 static void
  87 mm_module_manager_init (MMModuleManager *manager)
  88 {
  89   MMModuleManagerDetails *details = manager->details =
  90     MM_MODULE_MANAGER_GET_PRIVATE (manager);
  91
  92   details->path = g_strdup ("/home/anarki/mmediamanager-extensions");
  93   details->modules = NULL;
  94   load_modules (manager);
  95 }
  96
  97 static void
  98 mm_module_manager_class_init (MMModuleManagerClass *klass)
  99 {
 100   G_OBJECT_CLASS (klass)->finalize = mm_module_manager_finalize;
 101
 102   g_type_class_add_private (klass, sizeof (MMModuleManagerDetails));
 103 }
 104
 105 /* public methods */
 106
 107 GList *
 108 mm_module_manager_get_all_application_providers (MMModuleManager *manager)
 109 {
 110   GList *l;
 111   GList *application_providers = NULL;
 112
 113   for (l = manager->details->modules; l; l = l->next) {
 114     application_providers = g_list_prepend (application_providers,
 115                                             mm_module_get_application_provider (MM_MODULE (l->data)));
 116   }
 117
 118   return application_providers;
 119 }
 120
 121 MMCategoryProvider *
 122 mm_module_manager_get_category_provider_for_application (MMModuleManager *manager,
 123                                                          MMApplicationProvider *application)
 124 {
 125   GList *l;
 126   MMCategoryProvider *provider = NULL;
 127
 128   for (l = manager->details->modules; l; l = l->next) {
 129     if (mm_module_get_application_provider (MM_MODULE (l->data)) == application) {
 130       provider = mm_module_get_category_provider (MM_MODULE (l->data));
 131       break;
 132     }
 133   }
 134
 135   return provider;
 136 }
 137
 138 MMHitCollectionProvider *
 139 mm_module_manager_get_hit_collection_provider_for_application (MMModuleManager *manager,
 140                                                                MMApplicationProvider *application)
 141 {
 142   GList *l;
 143   MMHitCollectionProvider *provider = NULL;
 144
 145   for (l = manager->details->modules; l; l = l->next) {
 146     if (mm_module_get_application_provider (MM_MODULE (l->data)) == application) {
 147       provider = mm_module_get_hit_collection_provider (MM_MODULE (l->data));
 148       break;
 149     }
 150   }
 151
 152   return provider;
 153 }