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 (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           g_list_prepend (details->modules, module);
  65         }
  66       }
  67     }
  68     g_dir_close (dir);
  69   }
  70   g_error_free (error);
  71 }
  72
  73 static void
  74 mm_module_managet_finalize (GObject *o)
  75 {
  76   MMModuleManager *manager = MM_MODULE_MANAGER (o);
  77
  78   g_free (manager->details->path);
  79   g_list_free (manager->details->modules);
  80
  81   G_OBJECT_CLASS (mm_module_manager_parent_class)->finalize (o);
  82 }
  83
  84 static void
  85 mm_module_manager_init (MMModuleManager *manager)
  86 {
  87   MMModuleManagerDetails *details = manager->details =
  88     MM_MODULE_MANAGER_GET_PRIVATE (manager);
  89
  90   details->modules_path = g_strdup ("/path/to/the/modules");
  91   details->modules = NULL;
  92   load_modules (manager);
  93 }
  94
  95 static void
  96 mm_module_manager_class_init (MMModuleManagerClass *klass)
  97 {
  98   G_OBJECT_CLASS (klass)->finalize = mm_module_manager_finalize;
  99
 100   g_type_class_add_private (klass, sizeof (MMModuleManagerDetails));
 101 }
 102
 103 /* public methods */
 104
 105 GList *
 106 mm_module_manager_get_all_application_providers (MMModuleManager *manager)
 107 {
 108   GList *l;
 109   GList *application_providers = NULL;
 110
 111   for (l = manager->details->modules; l; l = l->next) {
 112     application_providers = g_list_prepend (application_providers,
 113                                             mm_module_get_application_provider (MM_MODULE (l->data)));
 114   }
 115
 116   return application_providers;
 117 }
 118
 119 MMCategoryProvider *
 120 mm_module_manager_get_category_provider_for_application (MMModuleManager *manager,
 121                                                          MMApplicationProvider *application)
 122 {
 123   GList *l;
 124   MMCategoryProvider *provider = NULL;
 125
 126   for (l = manager->details->modules; l; l = l->next) {
 127     if (mm_module_get_application_provider (MM_MODULE (l->data)) == application) {
 128       provider = mm_module_get_category_provider (MM_MODULE (l->data));
 129       break;
 130     }
 131   }
 132
 133   return provider;
 134 }
 135
 136 MMHitCollectionProvider *
 137 mm_module_manager_get_hit_collection_provider_for_application (MMModuleManager *manager,
 138                                                                MMApplicationProvider *application)
 139 {
 140   GList *l;
 141   MMHitCollectionProvider *provider = NULL;
 142
 143   for (l = manager->details->modules; l; l = l->next) {
 144     if (mm_module_get_application_provider (MM_MODULE (l->data)) == application) {
 145       provider = mm_module_get_hit_collection_provider (MM_MODULE (l->data));
 146       break;
 147     }
 148   }
 149
 150   return provider;
 151 }