libmmanager/mm-application.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-application.h"
  25 #include "mm-application-provider.h"
  26 #include "mm-category-provider.h"
  27 #include "mm-module-manager.h"
  28 #include "mm-manager.h"
  29 #include "mm-type-builtins.h"
  30
  31 #define MM_APPLICATION_GET_PRIVATE(o) \
  32     (G_TYPE_INSTANCE_GET_PRIVATE ((o), MM_TYPE_APPLICATION, MMApplicationDetails))
  33
  34 G_DEFINE_TYPE (MMApplication, mm_application, G_TYPE_OBJECT);
  35
  36 enum {
  37   PROP_0,
  38   PROP_SUPPORTED_TYPE
  39 };
  40
  41 struct _MMApplicationDetails {
  42   GDesktopAppInfo *info;
  43   char *id;
  44   MMApplicationType supported_type;
  45 };
  46
  47 static void
  48 mm_application_finalize (GObject *o)
  49 {
  50   g_object_unref (MM_APPLICATION (o)->details->info);
  51   g_free (MM_APPLICATION (o)->details->id);
  52
  53   G_OBJECT_CLASS (mm_application_parent_class)->finalize (o);
  54 }
  55
  56 static void
  57 mm_application_get_property (GObject *o,
  58                              guint prop_id,
  59                              GValue *value,
  60                              GParamSpec *pspec)
  61 {
  62   MMApplicationDetails *details = MM_APPLICATION (o)->details;
  63
  64   switch (prop_id) {
  65   case PROP_SUPPORTED_TYPE:
  66     g_value_set_enum (value, details->supported_type);
  67     break;
  68   default:
  69     break;
  70   }
  71 }
  72
  73 static void
  74 mm_application_set_property (GObject *o,
  75                              guint prop_id,
  76                              const GValue *value,
  77                              GParamSpec *pspec)
  78 {
  79   MMApplicationDetails *details = MM_APPLICATION (o)->details;
  80
  81   switch (prop_id) {
  82   case PROP_SUPPORTED_TYPE:
  83     details->supported_type = g_value_get_enum (value);
  84     break;
  85   default:
  86     break;
  87   }
  88 }
  89
  90 static void
  91 mm_application_class_init (MMApplicationClass *klass)
  92 {
  93   GObjectClass *oclass = G_OBJECT_CLASS (klass);
  94
  95   oclass->get_property = mm_application_get_property;
  96   oclass->set_property = mm_application_set_property;
  97   oclass->finalize = mm_application_finalize;
  98
  99   g_object_class_install_property  (oclass,
 100                                     PROP_SUPPORTED_TYPE,
 101                                     g_param_spec_enum ("supported-type",
 102                                                        "Supported Type",
 103                                                        "Media type supported by the application",
 104                                                        MM_TYPE_MAPPLICATION_TYPE,
 105                                                        MM_APPLICATION_NONE,
 106                                                        G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 107
 108   g_type_class_add_private (klass, sizeof (MMApplicationDetails));
 109 }
 110
 111 static void
 112 mm_application_init (MMApplication *a)
 113 {
 114   MMApplicationDetails *details = a->details = MM_APPLICATION_GET_PRIVATE (a);
 115
 116   details->info = NULL;
 117   details->supported_type = MM_APPLICATION_NONE;
 118 }
 119
 120 /* public methods */
 121
 122 /**
 123  * mm_application_set_attributes:
 124  * @application: a #MMApplication.
 125  * @desktop_id: the desktop file identifier of the implementing application.
 126  * @supported_type: the multimedia format supported by @application.
 127  * @id: an unique identifier for @application, e.g. its name.
 128  *
 129  * Sets all the properties on @application to the specified values. This is
 130  * useful only for implementations.
 131  */
 132
 133 void
 134 mm_application_set_attributes (MMApplication *application,
 135                                const char *desktop_id,
 136                                MMApplicationType supported_type,
 137                                const char *id)
 138 {
 139   g_object_set (application,
 140                 "supported-type", supported_type,
 141                 NULL);
 142
 143   application->details->info = g_desktop_app_info_new (desktop_id);
 144   application->details->id = g_strdup (id);
 145 }
 146
 147 /**
 148  * mm_application_get_app_info:
 149  * @a: a #MMApplication.
 150  *
 151  * Gets the #GAppInfo object corresponding to @a.
 152  *
 153  * Return value: a #GAppInfo containing the information about @a.
 154  */
 155
 156 GAppInfo *
 157 mm_application_get_app_info (MMApplication *a)
 158 {
 159   g_return_val_if_fail (a != NULL, NULL);
 160   g_return_val_if_fail (MM_IS_APPLICATION (a), NULL);
 161
 162   return g_object_ref (G_APP_INFO (a->details->info));
 163 }
 164
 165 /**
 166  * mm_application_get_id:
 167  * @a: a #MMApplication.
 168  *
 169  * Gets the unique identifier of @a.
 170  *
 171  * Return value: a string containing the unique identifier of @a.
 172  */
 173
 174 const char *
 175 mm_application_get_id (MMApplication *a)
 176 {
 177   g_return_val_if_fail (a != NULL, NULL);
 178   g_return_val_if_fail (MM_IS_APPLICATION (a), NULL);
 179
 180   return a->details->id;
 181 }
 182
 183 /**
 184  * mm_application_get_categories:
 185  * @a: a #MMApplication.
 186  * @error: a #GError.
 187  *
 188  * Gets a list of all the #MMCategory objects exposed by @a.
 189  *
 190  * Return value: a #GList of #MMCategory objects. Use #g_list_free when done.
 191  */
 192
 193 GList *
 194 mm_application_get_categories (MMApplication *a, GError **error)
 195 {
 196   g_return_val_if_fail (a != NULL, NULL);
 197   g_return_val_if_fail (MM_IS_APPLICATION (a), NULL);
 198
 199   /* return NULL if we can't find the method in the subclass */
 200   return (MM_APPLICATION_CLASS (G_OBJECT_GET_CLASS (a))->get_categories == NULL) ?
 201     NULL : ((* MM_APPLICATION_CLASS (G_OBJECT_GET_CLASS (a))->get_categories) (a, error));
 202 }