src/io-desktop/nadp-reader.c

   1 /*
   2  * Nautilus-Actions
   3  * A Nautilus extension which offers configurable context menu actions.
   4  *
   5  * Copyright (C) 2005 The GNOME Foundation
   6  * Copyright (C) 2006, 2007, 2008 Frederic Ruaudel and others (see AUTHORS)
   7  * Copyright (C) 2009, 2010, 2011 Pierre Wieser and others (see AUTHORS)
   8  *
   9  * This Program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This Program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public
  20  * License along with this Library; see the file COPYING.  If not,
  21  * write to the Free Software Foundation, Inc., 59 Temple Place,
  22  * Suite 330, Boston, MA 02111-1307, USA.
  23  *
  24  * Authors:
  25  *   Frederic Ruaudel <grumz@grumz.net>
  26  *   Rodrigo Moya <rodrigo@gnome-db.org>
  27  *   Pierre Wieser <pwieser@trychlos.org>
  28  *   ... and many others (see AUTHORS)
  29  */
  30
  31 #ifdef HAVE_CONFIG_H
  32 #include <config.h>
  33 #endif
  34
  35 #include <stdlib.h>
  36 #include <string.h>
  37
  38 #include <api/na-core-utils.h>
  39 #include <api/na-data-types.h>
  40 #include <api/na-ifactory-object-data.h>
  41 #include <api/na-ifactory-provider.h>
  42 #include <api/na-object-api.h>
  43
  44 #include "nadp-desktop-provider.h"
  45 #include "nadp-keys.h"
  46 #include "nadp-reader.h"
  47 #include "nadp-utils.h"
  48 #include "nadp-xdg-dirs.h"
  49
  50 typedef struct {
  51         gchar *path;
  52         gchar *id;
  53 }
  54         DesktopPath;
  55
  56 /* the structure passed as reader data to NAIFactoryObject
  57  */
  58 typedef struct {
  59         NadpDesktopFile *ndf;
  60         NAObjectAction  *action;
  61 }
  62         NadpReaderData;
  63
  64 static GList            *get_list_of_desktop_paths( NadpDesktopProvider *provider, GSList **mesages );
  65 static void              get_list_of_desktop_files( const NadpDesktopProvider *provider, GList **files, const gchar *dir, GSList **messages );
  66 static gboolean          is_already_loaded( const NadpDesktopProvider *provider, GList *files, const gchar *desktop_id );
  67 static GList            *desktop_path_from_id( const NadpDesktopProvider *provider, GList *files, const gchar *dir, const gchar *id );
  68 static NAIFactoryObject *item_from_desktop_path( const NadpDesktopProvider *provider, DesktopPath *dps, GSList **messages );
  69 static NAIFactoryObject *item_from_desktop_file( const NadpDesktopProvider *provider, NadpDesktopFile *ndf, GSList **messages );
  70 static void              desktop_weak_notify( NadpDesktopFile *ndf, GObject *item );
  71 static void              free_desktop_paths( GList *paths );
  72
  73 static void              read_start_read_subitems_key( const NAIFactoryProvider *provider, NAObjectItem *item, NadpReaderData *reader_data, GSList **messages );
  74 static void              read_start_profile_attach_profile( const NAIFactoryProvider *provider, NAObjectProfile *profile, NadpReaderData *reader_data, GSList **messages );
  75
  76 static gboolean          read_done_item_is_writable( const NAIFactoryProvider *provider, NAObjectItem *item, NadpReaderData *reader_data, GSList **messages );
  77 static void              read_done_action_read_profiles( const NAIFactoryProvider *provider, NAObjectAction *action, NadpReaderData *data, GSList **messages );
  78 static void              read_done_action_load_profile( const NAIFactoryProvider *provider, NadpReaderData *reader_data, const gchar *profile_id, GSList **messages );
  79
  80 /*
  81  * Returns an unordered list of NAIFactoryObject-derived objects
  82  *
  83  * This is implementation of NAIIOProvider::read_items method
  84  */
  85 GList *
  86 nadp_iio_provider_read_items( const NAIIOProvider *provider, GSList **messages )
  87 {
  88         static const gchar *thisfn = "nadp_iio_provider_read_items";
  89         GList *items;
  90         GList *desktop_paths, *ip;
  91         NAIFactoryObject *item;
  92
  93         g_debug( "%s: provider=%p (%s), messages=%p",
  94                         thisfn, ( void * ) provider, G_OBJECT_TYPE_NAME( provider ), ( void * ) messages );
  95
  96         g_return_val_if_fail( NA_IS_IIO_PROVIDER( provider ), NULL );
  97
  98         items = NULL;
  99         nadp_desktop_provider_release_monitors( NADP_DESKTOP_PROVIDER( provider ));
 100
 101         desktop_paths = get_list_of_desktop_paths( NADP_DESKTOP_PROVIDER( provider ), messages );
 102         for( ip = desktop_paths ; ip ; ip = ip->next ){
 103
 104                 item = item_from_desktop_path( NADP_DESKTOP_PROVIDER( provider ), ( DesktopPath * ) ip->data, messages );
 105
 106                 if( item ){
 107                         items = g_list_prepend( items, item );
 108                 }
 109         }
 110
 111         free_desktop_paths( desktop_paths );
 112
 113         g_debug( "%s: count=%d", thisfn, g_list_length( items ));
 114         return( items );
 115 }
 116
 117 /*
 118  * returns a list of DesktopPath items
 119  *
 120  * we get the ordered list of XDG_DATA_DIRS, and the ordered list of
 121  *  subdirs to add; then for each item of each list, we search for
 122  *  .desktop files in the resulted built path
 123  *
 124  * the returned list is so a list of DesktopPath struct, in
 125  * the ordered of preference (most preferred first)
 126  */
 127 static GList *
 128 get_list_of_desktop_paths( NadpDesktopProvider *provider, GSList **messages )
 129 {
 130         GList *files;
 131         GSList *xdg_dirs, *idir;
 132         GSList *subdirs, *isub;
 133         gchar *dir;
 134
 135         files = NULL;
 136         xdg_dirs = nadp_xdg_dirs_get_data_dirs();
 137         subdirs = na_core_utils_slist_from_split( NADP_DESKTOP_PROVIDER_SUBDIRS, G_SEARCHPATH_SEPARATOR_S );
 138
 139         /* explore each directory from XDG_DATA_DIRS
 140          */
 141         for( idir = xdg_dirs ; idir ; idir = idir->next ){
 142
 143                 /* explore each N-A candidate subdirectory for each XDG dir
 144                  */
 145                 for( isub = subdirs ; isub ; isub = isub->next ){
 146
 147                         dir = g_build_filename(( gchar * ) idir->data, ( gchar * ) isub->data, NULL );
 148                         nadp_desktop_provider_add_monitor( provider, dir );
 149                         get_list_of_desktop_files( provider, &files, dir, messages );
 150                         g_free( dir );
 151                 }
 152         }
 153
 154         na_core_utils_slist_free( subdirs );
 155         na_core_utils_slist_free( xdg_dirs );
 156
 157         return( files );
 158 }
 159
 160 /*
 161  * scans the directory for .desktop files
 162  * only adds to the list those which have not been yet loaded
 163  */
 164 static void
 165 get_list_of_desktop_files( const NadpDesktopProvider *provider, GList **files, const gchar *dir, GSList **messages )
 166 {
 167         static const gchar *thisfn = "nadp_reader_get_list_of_desktop_files";
 168         GDir *dir_handle;
 169         GError *error;
 170         const gchar *name;
 171         gchar *desktop_id;
 172
 173         g_debug( "%s: provider=%p, files=%p (count=%d), dir=%s, messages=%p",
 174                         thisfn, ( void * ) provider, ( void * ) files, g_list_length( *files ), dir, ( void * ) messages );
 175
 176         error = NULL;
 177         dir_handle = NULL;
 178
 179         /* do not warn when the directory just doesn't exist
 180          */
 181         if( g_file_test( dir, G_FILE_TEST_IS_DIR )){
 182                 dir_handle = g_dir_open( dir, 0, &error );
 183                 if( error ){
 184                         g_warning( "%s: %s: %s", thisfn, dir, error->message );
 185                         g_error_free( error );
 186                         goto close_dir_handle;
 187                 }
 188         } else {
 189                 g_debug( "%s: %s: directory doesn't exist", thisfn, dir );
 190         }
 191
 192         if( dir_handle ){
 193                 while(( name = g_dir_read_name( dir_handle ))){
 194                         if( g_str_has_suffix( name, NADP_DESKTOP_FILE_SUFFIX )){
 195                                 desktop_id = na_core_utils_str_remove_suffix( name, NADP_DESKTOP_FILE_SUFFIX );
 196                                 if( !is_already_loaded( provider, *files, desktop_id )){
 197                                         *files = desktop_path_from_id( provider, *files, dir, desktop_id );
 198                                 }
 199                                 g_free( desktop_id );
 200                         }
 201                 }
 202         }
 203
 204 close_dir_handle:
 205         if( dir_handle ){
 206                 g_dir_close( dir_handle );
 207         }
 208 }
 209
 210 static gboolean
 211 is_already_loaded( const NadpDesktopProvider *provider, GList *files, const gchar *desktop_id )
 212 {
 213         gboolean found;
 214         GList *ip;
 215         DesktopPath *dps;
 216
 217         found = FALSE;
 218         for( ip = files ; ip && !found ; ip = ip->next ){
 219                 dps = ( DesktopPath * ) ip->data;
 220                 if( !g_ascii_strcasecmp( dps->id, desktop_id )){
 221                         found = TRUE;
 222                 }
 223         }
 224
 225         return( found );
 226 }
 227
 228 static GList *
 229 desktop_path_from_id( const NadpDesktopProvider *provider, GList *files, const gchar *dir, const gchar *id )
 230 {
 231         DesktopPath *dps;
 232         gchar *bname;
 233         GList *list;
 234
 235         dps = g_new0( DesktopPath, 1 );
 236
 237         bname = g_strdup_printf( "%s%s", id, NADP_DESKTOP_FILE_SUFFIX );
 238         dps->path = g_build_filename( dir, bname, NULL );
 239         g_free( bname );
 240
 241         dps->id = g_strdup( id );
 242
 243         list = g_list_prepend( files, dps );
 244
 245         return( list );
 246 }
 247
 248 /*
 249  * Returns a newly allocated NAIFactoryObject-derived object, initialized
 250  * from the .desktop file pointed to by DesktopPath struct
 251  */
 252 static NAIFactoryObject *
 253 item_from_desktop_path( const NadpDesktopProvider *provider, DesktopPath *dps, GSList **messages )
 254 {
 255         NadpDesktopFile *ndf;
 256
 257         ndf = nadp_desktop_file_new_from_path( dps->path );
 258         if( !ndf ){
 259                 return( NULL );
 260         }
 261
 262         return( item_from_desktop_file( provider, ndf, messages ));
 263 }
 264
 265 /*
 266  * Returns a newly allocated NAIFactoryObject-derived object, initialized
 267  * from the .desktop file
 268  */
 269 static NAIFactoryObject *
 270 item_from_desktop_file( const NadpDesktopProvider *provider, NadpDesktopFile *ndf, GSList **messages )
 271 {
 272         static const gchar *thisfn = "nadp_reader_item_from_desktop_file";
 273         NAIFactoryObject *item;
 274         gchar *type;
 275         NadpReaderData *reader_data;
 276         gchar *id;
 277
 278         item = NULL;
 279         type = nadp_desktop_file_get_file_type( ndf );
 280
 281         if( !type || !strlen( type ) || !strcmp( type, NADP_VALUE_TYPE_ACTION )){
 282                 item = NA_IFACTORY_OBJECT( na_object_action_new());
 283
 284         } else if( !strcmp( type, NADP_VALUE_TYPE_MENU )){
 285                 item = NA_IFACTORY_OBJECT( na_object_menu_new());
 286
 287         } else {
 288                 g_warning( "%s: unknown type=%s", thisfn, type );
 289         }
 290
 291         if( item ){
 292                 id = nadp_desktop_file_get_id( ndf );
 293                 na_object_set_id( item, id );
 294                 g_free( id );
 295
 296                 reader_data = g_new0( NadpReaderData, 1 );
 297                 reader_data->ndf = ndf;
 298
 299                 na_ifactory_provider_read_item( NA_IFACTORY_PROVIDER( provider ), reader_data, item, messages );
 300
 301                 na_object_set_provider_data( item, ndf );
 302                 g_object_weak_ref( G_OBJECT( item ), ( GWeakNotify ) desktop_weak_notify, ndf );
 303
 304                 g_free( reader_data );
 305         }
 306
 307         return( item );
 308 }
 309
 310 static void
 311 desktop_weak_notify( NadpDesktopFile *ndf, GObject *item )
 312 {
 313         static const gchar *thisfn = "nadp_reader_desktop_weak_notify";
 314
 315         g_debug( "%s: ndf=%p (%s), item=%p (%s)",
 316                         thisfn, ( void * ) ndf, G_OBJECT_TYPE_NAME( ndf ),
 317                         ( void * ) item, G_OBJECT_TYPE_NAME( item ));
 318
 319         g_object_unref( ndf );
 320 }
 321
 322 static void
 323 free_desktop_paths( GList *paths )
 324 {
 325         GList *ip;
 326         DesktopPath *dps;
 327
 328         for( ip = paths ; ip ; ip = ip->next ){
 329                 dps = ( DesktopPath * ) ip->data;
 330                 g_free( dps->path );
 331                 g_free( dps->id );
 332                 g_free( dps );
 333         }
 334
 335         g_list_free( paths );
 336 }
 337
 338 /**
 339  * nadp_reader_iimporter_import_from_uri:
 340  * @instance: the #NAIImporter provider.
 341  * @parms: a #NAIImporterUriParms structure.
 342  *
 343  * Imports an item.
 344  *
 345  * Returns: the import operation code.
 346  *
 347  * As soon as we have a valid .desktop file, we are most probably willing
 348  * to successfully import an action or a menu of it.
 349  *
 350  * GLib does not have any primitive to load a key file from an uri.
 351  * So we have to load the file into memory, and then try to load the key
 352  * file from the memory data.
 353  */
 354 guint
 355 nadp_reader_iimporter_import_from_uri( const NAIImporter *instance, NAIImporterImportFromUriParms *parms )
 356 {
 357         static const gchar *thisfn = "nadp_reader_iimporter_import_from_uri";
 358         guint code;
 359         NadpDesktopFile *ndf;
 360         NAIImporterManageImportModeParms manage_parms;
 361
 362         g_debug( "%s: instance=%p, parms=%p", thisfn, ( void * ) instance, ( void * ) parms );
 363
 364         g_return_val_if_fail( NA_IS_IIMPORTER( instance ), IMPORTER_CODE_PROGRAM_ERROR );
 365         g_return_val_if_fail( NADP_IS_DESKTOP_PROVIDER( instance ), IMPORTER_CODE_PROGRAM_ERROR );
 366
 367         code = IMPORTER_CODE_NOT_WILLING_TO;
 368
 369         ndf = nadp_desktop_file_new_from_uri( parms->uri );
 370         if( ndf ){
 371                 parms->exist = FALSE;
 372                 parms->import_mode = IMPORTER_MODE_NO_IMPORT;
 373                 parms->imported = ( NAObjectItem * ) item_from_desktop_file(
 374                                 ( const NadpDesktopProvider * ) NADP_DESKTOP_PROVIDER( instance ),
 375                                 ndf, &parms->messages );
 376
 377                 if( parms->imported ){
 378                         code = IMPORTER_CODE_OK;
 379                         g_return_val_if_fail( NA_IS_OBJECT_ITEM( parms->imported ), IMPORTER_CODE_NOT_WILLING_TO );
 380
 381                         /* remove the weak reference on desktop file set by 'item_from_desktop_file'
 382                          * as we must consider this #NAObjectItem as a new one
 383                          */
 384                         na_object_set_provider_data( parms->imported, NULL );
 385                         g_object_weak_unref( G_OBJECT( parms->imported ), ( GWeakNotify ) desktop_weak_notify, ndf );
 386                         g_object_unref( ndf );
 387
 388                         manage_parms.version = 1;
 389                         manage_parms.imported = parms->imported;
 390                         manage_parms.check_fn = parms->check_fn;
 391                         manage_parms.check_fn_data = parms->check_fn_data;
 392                         manage_parms.ask_fn = parms->ask_fn;
 393                         manage_parms.ask_fn_data = parms->ask_fn_data;
 394                         manage_parms.asked_mode = parms->asked_mode;
 395                         manage_parms.messages = parms->messages;
 396
 397                         code = na_iimporter_manage_import_mode( &manage_parms );
 398
 399                         parms->exist = manage_parms.exist;
 400                         parms->import_mode = manage_parms.import_mode;
 401                 }
 402
 403                 if( code != IMPORTER_CODE_OK ){
 404                         if( parms->imported ){
 405                                 g_object_unref( parms->imported );
 406                                 parms->imported = NULL;
 407                         }
 408                 }
 409         }
 410
 411         return( code );
 412 }
 413
 414 /*
 415  * at this time, the object has been allocated and its id has been set
 416  * read here the subitems key, which may be 'Profiles' or 'ItemsList'
 417  * depending of the exact class of the NAObjectItem
 418  */
 419 void
 420 nadp_reader_ifactory_provider_read_start( const NAIFactoryProvider *reader, void *reader_data, const NAIFactoryObject *serializable, GSList **messages )
 421 {
 422         static const gchar *thisfn = "nadp_reader_ifactory_provider_read_start";
 423
 424         g_return_if_fail( NA_IS_IFACTORY_PROVIDER( reader ));
 425         g_return_if_fail( NADP_IS_DESKTOP_PROVIDER( reader ));
 426         g_return_if_fail( NA_IS_IFACTORY_OBJECT( serializable ));
 427
 428         if( !NADP_DESKTOP_PROVIDER( reader )->private->dispose_has_run ){
 429
 430                 g_debug( "%s: reader=%p (%s), reader_data=%p, serializable=%p (%s), messages=%p",
 431                                 thisfn,
 432                                 ( void * ) reader, G_OBJECT_TYPE_NAME( reader ),
 433                                 ( void * ) reader_data,
 434                                 ( void * ) serializable, G_OBJECT_TYPE_NAME( serializable ),
 435                                 ( void * ) messages );
 436
 437                 if( NA_IS_OBJECT_ITEM( serializable )){
 438                         read_start_read_subitems_key( reader, NA_OBJECT_ITEM( serializable ), ( NadpReaderData * ) reader_data, messages );
 439                         na_object_set_iversion( serializable, 3 );
 440                 }
 441
 442                 if( NA_IS_OBJECT_PROFILE( serializable )){
 443                         read_start_profile_attach_profile( reader, NA_OBJECT_PROFILE( serializable ), ( NadpReaderData * ) reader_data, messages );
 444                 }
 445         }
 446 }
 447
 448 static void
 449 read_start_read_subitems_key( const NAIFactoryProvider *provider, NAObjectItem *item, NadpReaderData *reader_data, GSList **messages )
 450 {
 451         GSList *subitems;
 452         gboolean key_found;
 453
 454         subitems = nadp_desktop_file_get_string_list( reader_data->ndf,
 455                         NADP_GROUP_DESKTOP,
 456                         NA_IS_OBJECT_ACTION( item ) ? NADP_KEY_PROFILES : NADP_KEY_ITEMS_LIST,
 457                         &key_found,
 458                         NULL );
 459
 460         if( key_found ){
 461                 na_object_set_items_slist( item, subitems );
 462         }
 463
 464         na_core_utils_slist_free( subitems );
 465 }
 466
 467 static void
 468 read_start_profile_attach_profile( const NAIFactoryProvider *provider, NAObjectProfile *profile, NadpReaderData *reader_data, GSList **messages )
 469 {
 470         na_object_attach_profile( reader_data->action, profile );
 471 }
 472
 473 /*
 474  * reading any data from a desktop file requires:
 475  * - a NadpDesktopFile object which has been initialized with the .desktop file
 476  *   -> has been attached to the NAObjectItem in get_item() above
 477  * - the data type (+ reading default value)
 478  * - group and key names
 479  *
 480  * Returns: NULL if the key has not been found
 481  * letting the caller deal with default values
 482  */
 483 NADataBoxed *
 484 nadp_reader_ifactory_provider_read_data( const NAIFactoryProvider *reader, void *reader_data, const NAIFactoryObject *object, const NADataDef *def, GSList **messages )
 485 {
 486         static const gchar *thisfn = "nadp_reader_ifactory_provider_read_data";
 487         NADataBoxed *boxed;
 488         gboolean found;
 489         NadpReaderData *nrd;
 490         gchar *group, *id;
 491         gchar *msg;
 492         gchar *str_value;
 493         gboolean bool_value;
 494         GSList *slist_value;
 495         guint uint_value;
 496
 497         g_return_val_if_fail( NA_IS_IFACTORY_PROVIDER( reader ), NULL );
 498         g_return_val_if_fail( NADP_IS_DESKTOP_PROVIDER( reader ), NULL );
 499         g_return_val_if_fail( NA_IS_IFACTORY_OBJECT( object ), NULL );
 500
 501         boxed = NULL;
 502
 503         if( !NADP_DESKTOP_PROVIDER( reader )->private->dispose_has_run ){
 504
 505                 nrd = ( NadpReaderData * ) reader_data;
 506                 g_return_val_if_fail( NADP_IS_DESKTOP_FILE( nrd->ndf ), NULL );
 507
 508                 if( def->desktop_entry ){
 509
 510                         if( NA_IS_OBJECT_ITEM( object )){
 511                                 group = g_strdup( NADP_GROUP_DESKTOP );
 512
 513                         } else {
 514                                 g_return_val_if_fail( NA_IS_OBJECT_PROFILE( object ), NULL );
 515                                 id = na_object_get_id( object );
 516                                 group = g_strdup_printf( "%s %s", NADP_GROUP_PROFILE, id );
 517                                 g_free( id );
 518                         }
 519
 520                         switch( def->type ){
 521
 522                                 case NA_DATA_TYPE_LOCALE_STRING:
 523                                         str_value = nadp_desktop_file_get_locale_string( nrd->ndf, group, def->desktop_entry, &found, def->default_value );
 524                                         if( found ){
 525                                                 boxed = na_data_boxed_new( def );
 526                                                 na_boxed_set_from_void( NA_BOXED( boxed ), str_value );
 527                                         }
 528                                         g_free( str_value );
 529                                         break;
 530
 531                                 case NA_DATA_TYPE_STRING:
 532                                         str_value = nadp_desktop_file_get_string( nrd->ndf, group, def->desktop_entry, &found, def->default_value );
 533                                         if( found ){
 534                                                 boxed = na_data_boxed_new( def );
 535                                                 na_boxed_set_from_void( NA_BOXED( boxed ), str_value );
 536                                         }
 537                                         g_free( str_value );
 538                                         break;
 539
 540                                 case NA_DATA_TYPE_BOOLEAN:
 541                                         bool_value = nadp_desktop_file_get_boolean( nrd->ndf, group, def->desktop_entry, &found, na_core_utils_boolean_from_string( def->default_value ));
 542                                         if( found ){
 543                                                 boxed = na_data_boxed_new( def );
 544                                                 na_boxed_set_from_void( NA_BOXED( boxed ), GUINT_TO_POINTER( bool_value ));
 545                                         }
 546                                         break;
 547
 548                                 case NA_DATA_TYPE_STRING_LIST:
 549                                         slist_value = nadp_desktop_file_get_string_list( nrd->ndf, group, def->desktop_entry, &found, def->default_value );
 550                                         if( found ){
 551                                                 boxed = na_data_boxed_new( def );
 552                                                 na_boxed_set_from_void( NA_BOXED( boxed ), slist_value );
 553                                         }
 554                                         na_core_utils_slist_free( slist_value );
 555                                         break;
 556
 557                                 case NA_DATA_TYPE_UINT:
 558                                         uint_value = nadp_desktop_file_get_uint( nrd->ndf, group, def->desktop_entry, &found, atoi( def->default_value ));
 559                                         if( found ){
 560                                                 boxed = na_data_boxed_new( def );
 561                                                 na_boxed_set_from_void( NA_BOXED( boxed ), GUINT_TO_POINTER( uint_value ));
 562                                         }
 563                                         break;
 564
 565                                 default:
 566                                         msg = g_strdup_printf( "%s: %d: invalid data type.", thisfn, def->type );
 567                                         g_warning( "%s", msg );
 568                                         *messages = g_slist_append( *messages, msg );
 569                         }
 570
 571                         g_free( group );
 572                 }
 573         }
 574
 575         return( boxed );
 576 }
 577
 578 /*
 579  * called when each NAIFactoryObject object has been read
 580  */
 581 void
 582 nadp_reader_ifactory_provider_read_done( const NAIFactoryProvider *reader, void *reader_data, const NAIFactoryObject *serializable, GSList **messages )
 583 {
 584         static const gchar *thisfn = "nadp_reader_ifactory_provider_read_done";
 585         gboolean writable;
 586
 587         g_return_if_fail( NA_IS_IFACTORY_PROVIDER( reader ));
 588         g_return_if_fail( NADP_IS_DESKTOP_PROVIDER( reader ));
 589         g_return_if_fail( NA_IS_IFACTORY_OBJECT( serializable ));
 590
 591         if( !NADP_DESKTOP_PROVIDER( reader )->private->dispose_has_run ){
 592
 593                 g_debug( "%s: reader=%p (%s), reader_data=%p, serializable=%p (%s), messages=%p",
 594                                 thisfn,
 595                                 ( void * ) reader, G_OBJECT_TYPE_NAME( reader ),
 596                                 ( void * ) reader_data,
 597                                 ( void * ) serializable, G_OBJECT_TYPE_NAME( serializable ),
 598                                 ( void * ) messages );
 599
 600                 if( NA_IS_OBJECT_ITEM( serializable )){
 601                         writable = read_done_item_is_writable( reader, NA_OBJECT_ITEM( serializable ), ( NadpReaderData * ) reader_data, messages );
 602                         na_object_set_readonly( serializable, !writable );
 603                 }
 604
 605                 if( NA_IS_OBJECT_ACTION( serializable )){
 606                         read_done_action_read_profiles( reader, NA_OBJECT_ACTION( serializable ), ( NadpReaderData * ) reader_data, messages );
 607                 }
 608
 609                 g_debug( "%s: quitting for %s at %p", thisfn, G_OBJECT_TYPE_NAME( serializable ), ( void * ) serializable );
 610         }
 611 }
 612
 613 static gboolean
 614 read_done_item_is_writable( const NAIFactoryProvider *provider, NAObjectItem *item, NadpReaderData *reader_data, GSList **messages )
 615 {
 616         NadpDesktopFile *ndf;
 617         gchar *uri;
 618         gboolean writable;
 619
 620         ndf = reader_data->ndf;
 621         uri = nadp_desktop_file_get_key_file_uri( ndf );
 622         writable = nadp_utils_uri_is_writable( uri );
 623         g_free( uri );
 624
 625         return( writable );
 626 }
 627
 628 /*
 629  * read and attach profiles in the specified order
 630  * profiles which may exist in .desktop files, but are not referenced
 631  * in the 'Profiles' string list are just ignored
 632  */
 633 static void
 634 read_done_action_read_profiles( const NAIFactoryProvider *provider, NAObjectAction *action, NadpReaderData *reader_data, GSList **messages )
 635 {
 636         GSList *order;
 637         GSList *ip;
 638         gchar *profile_id;
 639         NAObjectId *found;
 640
 641         reader_data->action = action;
 642         order = na_object_get_items_slist( action );
 643
 644         for( ip = order ; ip ; ip = ip->next ){
 645                 profile_id = ( gchar * ) ip->data;
 646                 found = na_object_get_item( action, profile_id );
 647                 if( !found ){
 648                         read_done_action_load_profile( provider, reader_data, profile_id, messages );
 649                 }
 650         }
 651
 652         na_core_utils_slist_free( order );
 653 }
 654
 655 static void
 656 read_done_action_load_profile( const NAIFactoryProvider *provider, NadpReaderData *reader_data, const gchar *profile_id, GSList **messages )
 657 {
 658         NAObjectProfile *profile;
 659
 660         g_debug( "nadp_reader_read_done_action_load_profile: loading profile=%s", profile_id );
 661
 662         profile = na_object_profile_new();
 663         na_object_set_id( profile, profile_id );
 664
 665         na_ifactory_provider_read_item(
 666                         NA_IFACTORY_PROVIDER( provider ),
 667                         reader_data,
 668                         NA_IFACTORY_OBJECT( profile ),
 669                         messages );
 670 }