libnautilus-extension/nautilus-file-info.c

   1 /*
   2  *  nautilus-file-info.c - Information about a file
   3  *
   4  *  Copyright (C) 2003 Novell, Inc.
   5  *
   6  *  This library is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Library General Public
   8  *  License as published by the Free Software Foundation; either
   9  *  version 2 of the License, or (at your option) any later version.
  10  *
  11  *  This library is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Library General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Library General Public
  17  *  License along with this library; if not, write to the Free
  18  *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  */
  21
  22 #include <config.h>
  23 #include "nautilus-file-info.h"
  24
  25
  26 GList *
  27 nautilus_file_info_list_copy (GList *files)
  28 {
  29         GList *ret;
  30         GList *l;
  31
  32         ret = g_list_copy (files);
  33         for (l = ret; l != NULL; l = l->next) {
  34                 g_object_ref (G_OBJECT (l->data));
  35         }
  36
  37         return ret;
  38 }
  39
  40 void
  41 nautilus_file_info_list_free (GList *files)
  42 {
  43         GList *l;
  44
  45         for (l = files; l != NULL; l = l->next) {
  46                 g_object_unref (G_OBJECT (l->data));
  47         }
  48
  49         g_list_free (files);
  50 }
  51
  52 static void
  53 nautilus_file_info_base_init (gpointer g_class)
  54 {
  55 }
  56
  57 GType
  58 nautilus_file_info_get_type (void)
  59 {
  60         static GType type = 0;
  61
  62         if (!type) {
  63                 const GTypeInfo info = {
  64                         sizeof (NautilusFileInfoIface),
  65                         nautilus_file_info_base_init,
  66                         NULL,
  67                         NULL,
  68                         NULL,
  69                         NULL,
  70                         0,
  71                         0,
  72                         NULL
  73                 };
  74
  75                 type = g_type_register_static (G_TYPE_INTERFACE,
  76                                                "NautilusFileInfo",
  77                                                &info, 0);
  78                 g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
  79         }
  80
  81         return type;
  82 }
  83
  84 gboolean
  85 nautilus_file_info_is_gone (NautilusFileInfo *file)
  86 {
  87         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), FALSE);
  88         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->is_gone != NULL, FALSE);
  89
  90         return NAUTILUS_FILE_INFO_GET_IFACE (file)->is_gone (file);
  91 }
  92
  93 GFileType
  94 nautilus_file_info_get_file_type (NautilusFileInfo *file)
  95 {
  96         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), G_FILE_TYPE_UNKNOWN);
  97         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_file_type != NULL, G_FILE_TYPE_UNKNOWN);
  98
  99         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_file_type (file);
 100 }
 101
 102 char *
 103 nautilus_file_info_get_name (NautilusFileInfo *file)
 104 {
 105         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 106         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_name != NULL, NULL);
 107
 108         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_name (file);
 109 }
 110
 111 GFile *
 112 nautilus_file_info_get_location (NautilusFileInfo *file)
 113 {
 114         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 115         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_location != NULL, NULL);
 116
 117         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_location (file);
 118 }
 119 char *
 120 nautilus_file_info_get_uri (NautilusFileInfo *file)
 121 {
 122         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 123         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_uri != NULL, NULL);
 124
 125         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_uri (file);
 126 }
 127
 128 char *
 129 nautilus_file_info_get_activation_uri (NautilusFileInfo *file)
 130 {
 131         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 132         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_activation_uri != NULL, NULL);
 133
 134         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_activation_uri (file);
 135 }
 136
 137 GFile *
 138 nautilus_file_info_get_parent_location (NautilusFileInfo *file)
 139 {
 140         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 141         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_parent_location != NULL, NULL);
 142
 143         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_parent_location (file);
 144 }
 145
 146 char *
 147 nautilus_file_info_get_parent_uri (NautilusFileInfo *file)
 148 {
 149         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 150         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_parent_uri != NULL, NULL);
 151
 152         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_parent_uri (file);
 153 }
 154
 155 NautilusFileInfo *
 156 nautilus_file_info_get_parent_info (NautilusFileInfo *file)
 157 {
 158         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 159         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_parent_info != NULL, NULL);
 160
 161         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_parent_info (file);
 162 }
 163
 164 GMount *
 165 nautilus_file_info_get_mount (NautilusFileInfo *file)
 166 {
 167         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 168         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_mount != NULL, NULL);
 169
 170         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_mount (file);
 171 }
 172
 173 char *
 174 nautilus_file_info_get_uri_scheme (NautilusFileInfo *file)
 175 {
 176         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 177         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_uri_scheme != NULL, NULL);
 178
 179         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_uri_scheme (file);
 180 }
 181
 182 char *
 183 nautilus_file_info_get_mime_type (NautilusFileInfo *file)
 184 {
 185         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 186         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_mime_type != NULL, NULL);
 187
 188         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_mime_type (file);
 189 }
 190
 191 gboolean
 192 nautilus_file_info_is_mime_type (NautilusFileInfo *file,
 193                                  const char *mime_type)
 194 {
 195         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), FALSE);
 196         g_return_val_if_fail (mime_type != NULL, FALSE);
 197         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->is_mime_type != NULL, FALSE);
 198
 199         return NAUTILUS_FILE_INFO_GET_IFACE (file)->is_mime_type (file,
 200                                                                   mime_type);
 201 }
 202
 203 gboolean
 204 nautilus_file_info_is_directory (NautilusFileInfo *file)
 205 {
 206         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), FALSE);
 207         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->is_directory != NULL, FALSE);
 208
 209         return NAUTILUS_FILE_INFO_GET_IFACE (file)->is_directory (file);
 210 }
 211
 212 gboolean
 213 nautilus_file_info_can_write (NautilusFileInfo *file)
 214 {
 215         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), FALSE);
 216         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->can_write != NULL, FALSE);
 217
 218         return NAUTILUS_FILE_INFO_GET_IFACE (file)->can_write (file);
 219 }
 220
 221 void
 222 nautilus_file_info_add_emblem (NautilusFileInfo *file,
 223                                const char *emblem_name)
 224 {
 225         g_return_if_fail (NAUTILUS_IS_FILE_INFO (file));
 226         g_return_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->add_emblem != NULL);
 227
 228         NAUTILUS_FILE_INFO_GET_IFACE (file)->add_emblem (file, emblem_name);
 229 }
 230
 231 char *
 232 nautilus_file_info_get_string_attribute (NautilusFileInfo *file,
 233                                          const char *attribute_name)
 234 {
 235         g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (file), NULL);
 236         g_return_val_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->get_string_attribute != NULL, NULL);
 237         g_return_val_if_fail (attribute_name != NULL, NULL);
 238
 239         return NAUTILUS_FILE_INFO_GET_IFACE (file)->get_string_attribute
 240                 (file, attribute_name);
 241 }
 242
 243 void
 244 nautilus_file_info_add_string_attribute (NautilusFileInfo *file,
 245                                          const char *attribute_name,
 246                                          const char *value)
 247 {
 248         g_return_if_fail (NAUTILUS_IS_FILE_INFO (file));
 249         g_return_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->add_string_attribute != NULL);
 250         g_return_if_fail (attribute_name != NULL);
 251         g_return_if_fail (value != NULL);
 252
 253         NAUTILUS_FILE_INFO_GET_IFACE (file)->add_string_attribute
 254                 (file, attribute_name, value);
 255 }
 256
 257 void
 258 nautilus_file_info_invalidate_extension_info (NautilusFileInfo *file)
 259 {
 260         g_return_if_fail (NAUTILUS_IS_FILE_INFO (file));
 261         g_return_if_fail (NAUTILUS_FILE_INFO_GET_IFACE (file)->invalidate_extension_info != NULL);
 262
 263         NAUTILUS_FILE_INFO_GET_IFACE (file)->invalidate_extension_info (file);
 264 }