src/mm-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-object.h>
  22 #include <glib.h>
  23
  24 #include "mm-manager.h"
  25
  26 G_DEFINE_TYPE (MMManager, mm_manager, G_TYPE_OBJECT);
  27
  28 #define MM_MANAGER_GET_PRIVATE(o) \
  29    (G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_MANAGER, MMManagerDetails))
  30
  31 MMManager* mm_manager_singleton = NULL;
  32
  33 struct _MMManagerDetails {
  34   MMModuleManager *module_manager;
  35   GHashTable *applications;
  36 };
  37
  38 static void
  39 mm_manager_finalize (GObject *o)
  40 {
  41   MMManager *manager = MM_MANAGER (o);
  42
  43   g_hash_table_destroy (manager->details->applications);
  44
  45   G_OBJECT_CLASS (mm_manager_parent_class)->finalize (o);
  46 }
  47
  48 static void
  49 mm_manager_class_init (MMManagerClass *klass)
  50 {
  51   G_OBJECT_CLASS (klass)->finalize = mm_manager_finalize;
  52
  53   g_type_class_add_private (klass, sizeof (MMManagerDetails));
  54 }
  55
  56 static void
  57 populate_applications_table (MMManager *manager)
  58 {
  59   GHashTable *applications = manager->details->applications;
  60   GList *app_providers, *l;
  61   MMApplication *application;
  62   MMApplicationProvider *provider;
  63   const char *id;
  64
  65   app_providers = mm_module_manager_get_all_application_providers (manager->details->module_manager);
  66   for (l = app_providers; l; l = l->next) {
  67     provider = MM_APPLICATION_PROVIDER (l->data);
  68     application = mm_application_provider_get_application (provider);
  69     id = mm_application_get_id (application);
  70     g_hash_table_insert (applications,
  71                          g_strdup (id), /* key   */
  72                          application);  /* value */
  73   }
  74 }
  75
  76 static void
  77 mm_manager_init (MMManager *manager)
  78 {
  79   MMManagerDetails *details = manager->details = MM_MANAGER_GET_PRIVATE (manager);
  80
  81   details->module_manager = MM_MODULE_MANAGER (g_object_new (MM_TYPE_MODULE_MANAGER, NULL));
  82   details->applications = g_hash_table_new_full (g_str_hash, g_str_equal,
  83                                                  (GDestroyNotify) g_free,
  84                                                  NULL);
  85
  86   populate_applications_table (manager);
  87 }
  88
  89 /* public methods */
  90
  91 MMManager *
  92 mm_manager_get (void)
  93 {
  94   if (!mm_manager_singleton) {
  95     mm_manager_singleton = MM_MANAGER (g_object_new (MM_TYPE_MANAGER, NULL));
  96   }
  97
  98   return mm_manager_singleton;
  99 }
 100
 101 GList *
 102 mm_manager_get_application_list_for_type (MMManager *m,
 103                                           MMApplicationType type)
 104 {
 105   GList *all_apps, *l;
 106   GList *app_list = NULL;
 107   MMApplicationType supported_type;
 108   MMApplication *app;
 109
 110   g_return_val_if_fail (m != NULL, NULL);
 111   g_return_val_if_fail (MM_IS_MANAGER (m), NULL);
 112
 113   /* this should be fine anyway, as the hash table is created only when
 114    * initializing the manager.
 115    */
 116   all_apps = g_hash_table_get_values (m->details->applications);
 117   for (l = all_apps; l; l = l->next) {
 118     app = l->data;
 119     g_object_get (app,
 120                   "supported-type", &supported_type,
 121                   NULL);
 122     if (supported_type == type) {
 123       app_list = g_list_prepend (app_list, app);
 124     }
 125   }
 126
 127   g_list_free (all_apps);
 128
 129   return app_list;
 130 }
 131
 132 GList *
 133 mm_manager_get_application_list (MMManager *m)
 134 {
 135   g_return_val_if_fail (m != NULL, NULL);
 136   g_return_val_if_fail (MM_IS_MANAGER (m), NULL);
 137
 138   /* see the comment in _get_application_list_for_type () */
 139   return g_hash_table_get_values (m->details->applications);
 140 }
 141
 142 MMModuleManager *
 143 mm_manager_get_module_manager (MMManager *m)
 144 {
 145   g_return_val_if_fail (m != NULL, NULL);
 146   g_return_val_if_fail (MM_IS_MANAGER (m), NULL);
 147
 148   return m->details->module_manager;
 149 }