1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 * Copyright © 2007 Ryan Lortie
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
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 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General
17 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 * Author: Alexander Larsson <alexl@redhat.com>
20 * Ryan Lortie <desrt@desrt.ca>
27 /* For the #GDesktopAppInfoLookup macros; since macro deprecation is implemented
28 * in the preprocessor, we need to define this before including glib.h*/
29 #ifndef GLIB_DISABLE_DEPRECATION_WARNINGS
30 #define GLIB_DISABLE_DEPRECATION_WARNINGS
37 #ifdef HAVE_CRT_EXTERNS_H
38 #include <crt_externs.h>
41 #include "gcontenttypeprivate.h"
42 #include "gdesktopappinfo.h"
44 #include "glib-unix.h"
48 #include "gthemedicon.h"
49 #include "gfileicon.h"
50 #include <glib/gstdio.h>
52 #include "giomodule-priv.h"
54 #include "gappinfoprivate.h"
55 #include "glocalfilemonitor.h"
58 #include "gdocumentportal.h"
62 * SECTION:gdesktopappinfo
63 * @title: GDesktopAppInfo
64 * @short_description: Application information from desktop files
65 * @include: gio/gdesktopappinfo.h
67 * #GDesktopAppInfo is an implementation of #GAppInfo based on
70 * Note that `<gio/gdesktopappinfo.h>` belongs to the UNIX-specific
71 * GIO interfaces, thus you have to use the `gio-unix-2.0.pc` pkg-config
75 #define DEFAULT_APPLICATIONS_GROUP "Default Applications"
76 #define ADDED_ASSOCIATIONS_GROUP "Added Associations"
77 #define REMOVED_ASSOCIATIONS_GROUP "Removed Associations"
78 #define MIME_CACHE_GROUP "MIME Cache"
79 #define GENERIC_NAME_KEY "GenericName"
80 #define FULL_NAME_KEY "X-GNOME-FullName"
81 #define KEYWORDS_KEY "Keywords"
82 #define STARTUP_WM_CLASS_KEY "StartupWMClass"
89 static void g_desktop_app_info_iface_init (GAppInfoIface *iface);
90 static gboolean g_desktop_app_info_ensure_saved (GDesktopAppInfo *info,
92 static gboolean g_desktop_app_info_load_file (GDesktopAppInfo *self);
97 * Information about an installed application from a desktop file.
99 struct _GDesktopAppInfo
101 GObject parent_instance;
123 char *startup_wm_class;
130 guint startup_notify : 1;
135 UPDATE_MIME_NONE = 1 << 0,
136 UPDATE_MIME_SET_DEFAULT = 1 << 1,
137 UPDATE_MIME_SET_NON_DEFAULT = 1 << 2,
138 UPDATE_MIME_REMOVE = 1 << 3,
139 UPDATE_MIME_SET_LAST_USED = 1 << 4,
142 G_DEFINE_TYPE_WITH_CODE (GDesktopAppInfo, g_desktop_app_info, G_TYPE_OBJECT,
143 G_IMPLEMENT_INTERFACE (G_TYPE_APP_INFO, g_desktop_app_info_iface_init))
145 /* DesktopFileDir implementation {{{1 */
149 gatomicrefcount ref_count;
151 gchar *alternatively_watching;
154 GFileMonitor *monitor;
155 GHashTable *app_names;
156 GHashTable *mime_tweaks;
157 GHashTable *memory_index;
158 GHashTable *memory_implementations;
161 static GPtrArray *desktop_file_dirs = NULL;
162 static const gchar *desktop_file_dirs_config_dir = NULL;
163 static DesktopFileDir *desktop_file_dir_user_config = NULL; /* (owned) */
164 static DesktopFileDir *desktop_file_dir_user_data = NULL; /* (owned) */
165 static GMutex desktop_file_dir_lock;
167 /* Monitor 'changed' signal handler {{{2 */
168 static void desktop_file_dir_reset (DesktopFileDir *dir);
170 static DesktopFileDir *
171 desktop_file_dir_ref (DesktopFileDir *dir)
173 g_atomic_ref_count_inc (&dir->ref_count);
179 desktop_file_dir_unref (DesktopFileDir *dir)
181 if (g_atomic_ref_count_dec (&dir->ref_count))
183 desktop_file_dir_reset (dir);
190 * desktop_file_dir_get_alternative_dir:
191 * @dir: a #DesktopFileDir
193 * Gets the "alternative" directory to monitor in case the path
196 * If the path exists this will return NULL, otherwise it will return a
197 * parent directory of the path.
199 * This is used to avoid inotify on a non-existent directory (which
200 * results in polling).
202 * See https://bugzilla.gnome.org/show_bug.cgi?id=522314 for more info.
205 desktop_file_dir_get_alternative_dir (DesktopFileDir *dir)
209 /* If the directory itself exists then we need no alternative. */
210 if (g_access (dir->path, R_OK | X_OK) == 0)
213 /* Otherwise, try the parent directories until we find one. */
214 parent = g_path_get_dirname (dir->path);
216 while (g_access (parent, R_OK | X_OK) != 0)
220 parent = g_path_get_dirname (tmp);
222 /* If somehow we get to '/' or '.' then just stop... */
223 if (g_str_equal (parent, tmp))
236 desktop_file_dir_changed (GFileMonitor *monitor,
239 GFileMonitorEvent event_type,
242 DesktopFileDir *dir = user_data;
243 gboolean do_nothing = FALSE;
245 /* We are not interested in receiving notifications forever just
246 * because someone asked about one desktop file once.
248 * After we receive the first notification, reset the dir, destroying
249 * the monitor. We will take this as a hint, next time that we are
250 * asked, that we need to check if everything is up to date.
252 * If this is a notification for a parent directory (because the
253 * desktop directory didn't exist) then we shouldn't fire the signal
254 * unless something actually changed.
256 g_mutex_lock (&desktop_file_dir_lock);
258 if (dir->alternatively_watching)
260 gchar *alternative_dir;
262 alternative_dir = desktop_file_dir_get_alternative_dir (dir);
263 do_nothing = alternative_dir && g_str_equal (dir->alternatively_watching, alternative_dir);
264 g_free (alternative_dir);
268 desktop_file_dir_reset (dir);
270 g_mutex_unlock (&desktop_file_dir_lock);
272 /* Notify anyone else who may be interested */
274 g_app_info_monitor_fire ();
277 /* Internal utility functions {{{2 */
280 * desktop_file_dir_app_name_is_masked:
281 * @dir: a #DesktopFileDir
282 * @app_name: an application ID
284 * Checks if @app_name is masked for @dir.
286 * An application is masked if a similarly-named desktop file exists in
287 * a desktop file directory with higher precedence. Masked desktop
288 * files should be ignored.
291 desktop_file_dir_app_name_is_masked (DesktopFileDir *dir,
292 const gchar *app_name)
296 for (i = 0; i < desktop_file_dirs->len; i++)
298 DesktopFileDir *i_dir = g_ptr_array_index (desktop_file_dirs, i);
302 if (i_dir->app_names && g_hash_table_contains (i_dir->app_names, app_name))
309 /* Not much to go on from https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html
310 * so validate it as a non-empty alphanumeric ASCII string with `-` and `_` allowed.
312 * Validation is important as the desktop IDs are used to construct filenames,
313 * and may be set by an unprivileged caller if running in a setuid program. */
315 validate_xdg_desktop (const gchar *desktop)
319 for (i = 0; desktop[i] != '\0'; i++)
320 if (desktop[i] != '-' && desktop[i] != '_' &&
321 !g_ascii_isalnum (desktop[i]))
331 get_valid_current_desktops (const char *value)
335 GPtrArray *valid_desktops;
338 value = g_getenv ("XDG_CURRENT_DESKTOP");
342 tmp = g_strsplit (value, G_SEARCHPATH_SEPARATOR_S, 0);
343 valid_desktops = g_ptr_array_new_full (g_strv_length (tmp) + 1, g_free);
344 for (i = 0; tmp[i]; i++)
346 if (validate_xdg_desktop (tmp[i]))
347 g_ptr_array_add (valid_desktops, tmp[i]);
351 g_ptr_array_add (valid_desktops, NULL);
353 tmp = (char **) g_ptr_array_steal (valid_desktops, NULL);
354 g_ptr_array_unref (valid_desktops);
358 static const gchar * const *
359 get_lowercase_current_desktops (void)
361 static gchar **result;
363 if (g_once_init_enter (&result))
365 char **tmp = get_valid_current_desktops (NULL);
368 for (i = 0; tmp[i]; i++)
370 /* Convert to lowercase. */
371 for (j = 0; tmp[i][j]; j++)
372 tmp[i][j] = g_ascii_tolower (tmp[i][j]);
375 g_once_init_leave (&result, tmp);
378 return (const gchar **) result;
381 static const gchar * const *
382 get_current_desktops (const gchar *value)
384 static gchar **result;
386 if (g_once_init_enter (&result))
388 char **tmp = get_valid_current_desktops (value);
390 g_once_init_leave (&result, tmp);
393 return (const gchar **) result;
397 * add_to_table_if_appropriate:
398 * @apps: a string to GDesktopAppInfo hash table
399 * @app_name: the name of the application
400 * @info: a #GDesktopAppInfo, or NULL
402 * If @info is non-%NULL and non-hidden, then add it to @apps, using
403 * @app_name as a key.
405 * If @info is non-%NULL then this function will consume the passed-in
409 add_to_table_if_appropriate (GHashTable *apps,
410 const gchar *app_name,
411 GDesktopAppInfo *info)
418 g_object_unref (info);
422 g_free (info->desktop_id);
423 info->desktop_id = g_strdup (app_name);
425 g_hash_table_insert (apps, g_strdup (info->desktop_id), info);
432 DESKTOP_KEY_GenericName,
433 DESKTOP_KEY_Keywords,
435 DESKTOP_KEY_X_GNOME_FullName,
440 const gchar desktop_key_match_category[N_DESKTOP_KEYS] = {
441 /* Note: lower numbers are a better match.
443 * In case we want two keys to match at the same level, we can just
444 * use the same number for the two different keys.
446 [DESKTOP_KEY_Name] = 1,
447 [DESKTOP_KEY_Exec] = 2,
448 [DESKTOP_KEY_Keywords] = 3,
449 [DESKTOP_KEY_GenericName] = 4,
450 [DESKTOP_KEY_X_GNOME_FullName] = 5,
451 [DESKTOP_KEY_Comment] = 6
454 /* Common prefix commands to ignore from Exec= lines */
455 const char * const exec_key_match_blocklist[] = {
471 desktop_key_get_name (guint key_id)
475 case DESKTOP_KEY_Comment:
477 case DESKTOP_KEY_Exec:
479 case DESKTOP_KEY_GenericName:
480 return GENERIC_NAME_KEY;
481 case DESKTOP_KEY_Keywords:
483 case DESKTOP_KEY_Name:
485 case DESKTOP_KEY_X_GNOME_FullName:
486 return FULL_NAME_KEY;
488 g_assert_not_reached ();
492 /* Search global state {{{2
494 * We only ever search under a global lock, so we can use (and reuse)
495 * some global data to reduce allocations made while searching.
497 * In short, we keep around arrays of results that we expand as needed
498 * (and never shrink).
500 * static_token_results: this is where we append the results for each
501 * token within a given desktop directory, as we handle it (which is
502 * a union of all matches for this term)
504 * static_search_results: this is where we build the complete results
505 * for a single directory (which is an intersection of the matches
506 * found for each term)
508 * static_total_results: this is where we build the complete results
509 * across all directories (which is a union of the matches found in
512 * The app_names that enter these tables are always pointer-unique (in
513 * the sense that string equality is the same as pointer equality).
514 * This can be guaranteed for two reasons:
516 * - we mask appids so that a given appid will only ever appear within
517 * the highest-precedence directory that contains it. We never
518 * return search results from a lower-level directory if a desktop
519 * file exists in a higher-level one.
521 * - within a given directory, the string is unique because it's the
522 * key in the hashtable of all app_ids for that directory.
524 * We perform a merging of the results in merge_token_results(). This
525 * works by ordering the two lists and moving through each of them (at
526 * the same time) looking for common elements, rejecting uncommon ones.
527 * "Order" here need not mean any particular thing, as long as it is
528 * some order. Because of the uniqueness of our strings, we can use
529 * pointer order. That's what's going on in compare_results() below.
533 const gchar *app_name;
537 static struct search_result *static_token_results;
538 static gint static_token_results_size;
539 static gint static_token_results_allocated;
540 static struct search_result *static_search_results;
541 static gint static_search_results_size;
542 static gint static_search_results_allocated;
543 static struct search_result *static_total_results;
544 static gint static_total_results_size;
545 static gint static_total_results_allocated;
547 /* And some functions for performing nice operations against it */
549 compare_results (gconstpointer a,
552 const struct search_result *ra = a;
553 const struct search_result *rb = b;
555 if (ra->app_name < rb->app_name)
558 else if (ra->app_name > rb->app_name)
562 return ra->category - rb->category;
566 compare_categories (gconstpointer a,
569 const struct search_result *ra = a;
570 const struct search_result *rb = b;
572 return ra->category - rb->category;
576 add_token_result (const gchar *app_name,
579 if G_UNLIKELY (static_token_results_size == static_token_results_allocated)
581 static_token_results_allocated = MAX (16, static_token_results_allocated * 2);
582 static_token_results = g_renew (struct search_result, static_token_results, static_token_results_allocated);
585 static_token_results[static_token_results_size].app_name = app_name;
586 static_token_results[static_token_results_size].category = category;
587 static_token_results_size++;
591 merge_token_results (gboolean first)
593 if (static_token_results_size != 0)
594 qsort (static_token_results, static_token_results_size, sizeof (struct search_result), compare_results);
596 /* If this is the first token then we are basically merging a list with
597 * itself -- we only perform de-duplication.
599 * If this is not the first token then we are doing a real merge.
603 const gchar *last_name = NULL;
606 /* We must de-duplicate, but we do so by taking the best category
609 * The final list can be as large as the input here, so make sure
610 * we have enough room (even if it's too much room).
613 if G_UNLIKELY (static_search_results_allocated < static_token_results_size)
615 static_search_results_allocated = static_token_results_allocated;
616 static_search_results = g_renew (struct search_result,
617 static_search_results,
618 static_search_results_allocated);
621 for (i = 0; i < static_token_results_size; i++)
623 /* The list is sorted so that the best match for a given id
624 * will be at the front, so once we have copied an id, skip
625 * the rest of the entries for the same id.
627 if (static_token_results[i].app_name == last_name)
630 last_name = static_token_results[i].app_name;
632 static_search_results[static_search_results_size++] = static_token_results[i];
637 const gchar *last_name = NULL;
641 /* We only ever remove items from the results list, so no need to
642 * resize to ensure that we have enough room.
644 for (i = 0; i < static_token_results_size; i++)
646 if (static_token_results[i].app_name == last_name)
649 last_name = static_token_results[i].app_name;
651 /* Now we only want to have a result in static_search_results
652 * if we already have it there *and* we have it in
653 * static_token_results as well. The category will be the
656 * Skip past the results in static_search_results that are not
657 * going to be matches.
659 while (k < static_search_results_size &&
660 static_search_results[k].app_name < static_token_results[i].app_name)
663 if (k < static_search_results_size &&
664 static_search_results[k].app_name == static_token_results[i].app_name)
668 * Category should be the worse of the two (ie:
669 * numerically larger).
671 static_search_results[j].app_name = static_search_results[k].app_name;
672 static_search_results[j].category = MAX (static_search_results[k].category,
673 static_token_results[i].category);
678 static_search_results_size = j;
681 /* Clear it out for next time... */
682 static_token_results_size = 0;
686 reset_total_search_results (void)
688 static_total_results_size = 0;
692 sort_total_search_results (void)
694 if (static_total_results_size != 0)
695 qsort (static_total_results, static_total_results_size, sizeof (struct search_result), compare_categories);
699 merge_directory_results (void)
701 if G_UNLIKELY (static_total_results_size + static_search_results_size > static_total_results_allocated)
703 static_total_results_allocated = MAX (16, static_total_results_allocated);
704 while (static_total_results_allocated < static_total_results_size + static_search_results_size)
705 static_total_results_allocated *= 2;
706 static_total_results = g_renew (struct search_result, static_total_results, static_total_results_allocated);
709 if (static_total_results + static_total_results_size != 0)
710 memcpy (static_total_results + static_total_results_size,
711 static_search_results,
712 static_search_results_size * sizeof (struct search_result));
714 static_total_results_size += static_search_results_size;
716 /* Clear it out for next time... */
717 static_search_results_size = 0;
720 /* Support for unindexed DesktopFileDirs {{{2 */
722 get_apps_from_dir (GHashTable **apps,
726 const char *basename;
729 dir = g_dir_open (dirname, 0, NULL);
734 while ((basename = g_dir_read_name (dir)) != NULL)
738 filename = g_build_filename (dirname, basename, NULL);
740 if (g_str_has_suffix (basename, ".desktop"))
744 app_name = g_strconcat (prefix, basename, NULL);
747 *apps = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
749 g_hash_table_insert (*apps, app_name, g_strdup (filename));
751 else if (g_file_test (filename, G_FILE_TEST_IS_DIR))
755 subprefix = g_strconcat (prefix, basename, "-", NULL);
756 get_apps_from_dir (apps, filename, subprefix);
771 } UnindexedMimeTweaks;
774 free_mime_tweaks (gpointer data)
776 UnindexedMimeTweaks *tweaks = data;
778 g_strfreev (tweaks->additions);
779 g_strfreev (tweaks->removals);
780 g_strfreev (tweaks->defaults);
782 g_slice_free (UnindexedMimeTweaks, tweaks);
785 static UnindexedMimeTweaks *
786 desktop_file_dir_unindexed_get_tweaks (DesktopFileDir *dir,
787 const gchar *mime_type)
789 UnindexedMimeTweaks *tweaks;
790 gchar *unaliased_type;
792 unaliased_type = _g_unix_content_type_unalias (mime_type);
793 tweaks = g_hash_table_lookup (dir->mime_tweaks, unaliased_type);
797 tweaks = g_slice_new0 (UnindexedMimeTweaks);
798 g_hash_table_insert (dir->mime_tweaks, unaliased_type, tweaks);
801 g_free (unaliased_type);
806 /* consumes 'to_add' */
808 expand_strv (gchar ***strv_ptr,
810 gchar * const *blocklist)
812 guint strv_len, add_len;
823 strv_len = g_strv_length (strv);
824 add_len = g_strv_length (to_add);
825 strv = g_renew (gchar *, strv, strv_len + add_len + 1);
827 for (i = 0; to_add[i]; i++)
829 /* Don't add blocklisted strings */
831 for (j = 0; blocklist[j]; j++)
832 if (g_str_equal (to_add[i], blocklist[j]))
835 /* Don't add duplicates already in the list */
836 for (j = 0; j < strv_len; j++)
837 if (g_str_equal (to_add[i], strv[j]))
840 strv[strv_len++] = to_add[i];
847 strv[strv_len] = NULL;
854 desktop_file_dir_unindexed_read_mimeapps_list (DesktopFileDir *dir,
855 const gchar *filename,
856 const gchar *added_group,
857 gboolean tweaks_permitted)
859 UnindexedMimeTweaks *tweaks;
860 char **desktop_file_ids;
865 key_file = g_key_file_new ();
866 if (!g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL))
868 g_key_file_free (key_file);
872 mime_types = g_key_file_get_keys (key_file, added_group, NULL, NULL);
874 if G_UNLIKELY (mime_types != NULL && !tweaks_permitted)
876 g_warning ("%s contains a [%s] group, but it is not permitted here. Only the non-desktop-specific "
877 "mimeapps.list file may add or remove associations.", filename, added_group);
878 g_strfreev (mime_types);
882 if (mime_types != NULL)
884 for (i = 0; mime_types[i] != NULL; i++)
886 desktop_file_ids = g_key_file_get_string_list (key_file, added_group, mime_types[i], NULL, NULL);
888 if (desktop_file_ids)
890 tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
891 expand_strv (&tweaks->additions, desktop_file_ids, tweaks->removals);
895 g_strfreev (mime_types);
898 mime_types = g_key_file_get_keys (key_file, REMOVED_ASSOCIATIONS_GROUP, NULL, NULL);
900 if G_UNLIKELY (mime_types != NULL && !tweaks_permitted)
902 g_warning ("%s contains a [%s] group, but it is not permitted here. Only the non-desktop-specific "
903 "mimeapps.list file may add or remove associations.", filename, REMOVED_ASSOCIATIONS_GROUP);
904 g_strfreev (mime_types);
908 if (mime_types != NULL)
910 for (i = 0; mime_types[i] != NULL; i++)
912 desktop_file_ids = g_key_file_get_string_list (key_file, REMOVED_ASSOCIATIONS_GROUP, mime_types[i], NULL, NULL);
914 if (desktop_file_ids)
916 tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
917 expand_strv (&tweaks->removals, desktop_file_ids, tweaks->additions);
921 g_strfreev (mime_types);
924 mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP, NULL, NULL);
926 if (mime_types != NULL)
928 for (i = 0; mime_types[i] != NULL; i++)
930 desktop_file_ids = g_key_file_get_string_list (key_file, DEFAULT_APPLICATIONS_GROUP, mime_types[i], NULL, NULL);
932 if (desktop_file_ids)
934 tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
935 expand_strv (&tweaks->defaults, desktop_file_ids, NULL);
939 g_strfreev (mime_types);
942 g_key_file_free (key_file);
946 desktop_file_dir_unindexed_read_mimeapps_lists (DesktopFileDir *dir)
948 const gchar * const *desktops;
952 dir->mime_tweaks = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, free_mime_tweaks);
954 /* We process in order of precedence, using a blocklisting approach to
955 * avoid recording later instructions that conflict with ones we found
958 * We first start with the XDG_CURRENT_DESKTOP files, in precedence
961 desktops = get_lowercase_current_desktops ();
962 for (i = 0; desktops[i]; i++)
964 filename = g_strdup_printf ("%s/%s-mimeapps.list", dir->path, desktops[i]);
965 desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, FALSE);
969 /* Next, the non-desktop-specific mimeapps.list */
970 filename = g_strdup_printf ("%s/mimeapps.list", dir->path);
971 desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, TRUE);
974 /* The remaining files are only checked for in directories that might
975 * contain desktop files (ie: not the config dirs).
980 /* We have 'defaults.list' which was only ever understood by GLib. It
981 * exists widely, but it has never been part of any spec and it should
982 * be treated as deprecated. This will be removed in a future
985 filename = g_strdup_printf ("%s/defaults.list", dir->path);
986 desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, FALSE);
989 /* Finally, the mimeinfo.cache, which is just a cached copy of what we
990 * would find in the MimeTypes= lines of all of the desktop files.
992 filename = g_strdup_printf ("%s/mimeinfo.cache", dir->path);
993 desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, MIME_CACHE_GROUP, TRUE);
998 desktop_file_dir_unindexed_init (DesktopFileDir *dir)
1000 if (!dir->is_config)
1001 get_apps_from_dir (&dir->app_names, dir->path, "");
1003 desktop_file_dir_unindexed_read_mimeapps_lists (dir);
1006 static GDesktopAppInfo *
1007 g_desktop_app_info_new_from_filename_unlocked (const char *filename)
1009 GDesktopAppInfo *info = NULL;
1011 info = g_object_new (G_TYPE_DESKTOP_APP_INFO, "filename", filename, NULL);
1013 if (!g_desktop_app_info_load_file (info))
1014 g_clear_object (&info);
1019 static GDesktopAppInfo *
1020 desktop_file_dir_unindexed_get_app (DesktopFileDir *dir,
1021 const gchar *desktop_id)
1023 const gchar *filename;
1025 filename = g_hash_table_lookup (dir->app_names, desktop_id);
1030 return g_desktop_app_info_new_from_filename_unlocked (filename);
1034 desktop_file_dir_unindexed_get_all (DesktopFileDir *dir,
1037 GHashTableIter iter;
1041 if (dir->app_names == NULL)
1044 g_hash_table_iter_init (&iter, dir->app_names);
1045 while (g_hash_table_iter_next (&iter, &app_name, &filename))
1047 if (desktop_file_dir_app_name_is_masked (dir, app_name))
1050 add_to_table_if_appropriate (apps, app_name, g_desktop_app_info_new_from_filename_unlocked (filename));
1054 typedef struct _MemoryIndexEntry MemoryIndexEntry;
1055 typedef GHashTable MemoryIndex;
1057 struct _MemoryIndexEntry
1059 const gchar *app_name; /* pointer to the hashtable key */
1060 gint match_category;
1061 MemoryIndexEntry *next;
1065 memory_index_entry_free (gpointer data)
1067 MemoryIndexEntry *mie = data;
1071 MemoryIndexEntry *next = mie->next;
1073 g_slice_free (MemoryIndexEntry, mie);
1079 memory_index_add_token (MemoryIndex *mi,
1081 gint match_category,
1082 const gchar *app_name)
1084 MemoryIndexEntry *mie, *first;
1086 mie = g_slice_new (MemoryIndexEntry);
1087 mie->app_name = app_name;
1088 mie->match_category = match_category;
1090 first = g_hash_table_lookup (mi, token);
1094 mie->next = first->next;
1100 g_hash_table_insert (mi, g_strdup (token), mie);
1105 memory_index_add_string (MemoryIndex *mi,
1106 const gchar *string,
1107 gint match_category,
1108 const gchar *app_name)
1110 gchar **tokens, **alternates;
1113 tokens = g_str_tokenize_and_fold (string, NULL, &alternates);
1115 for (i = 0; tokens[i]; i++)
1116 memory_index_add_token (mi, tokens[i], match_category, app_name);
1118 for (i = 0; alternates[i]; i++)
1119 memory_index_add_token (mi, alternates[i], match_category, app_name);
1121 g_strfreev (alternates);
1122 g_strfreev (tokens);
1125 static MemoryIndex *
1126 memory_index_new (void)
1128 return g_hash_table_new_full (g_str_hash, g_str_equal, g_free, memory_index_entry_free);
1132 desktop_file_dir_unindexed_setup_search (DesktopFileDir *dir)
1134 GHashTableIter iter;
1137 dir->memory_index = memory_index_new ();
1138 dir->memory_implementations = memory_index_new ();
1140 /* Nothing to search? */
1141 if (dir->app_names == NULL)
1144 g_hash_table_iter_init (&iter, dir->app_names);
1145 while (g_hash_table_iter_next (&iter, &app, &path))
1149 if (desktop_file_dir_app_name_is_masked (dir, app))
1152 key_file = g_key_file_new ();
1154 if (g_key_file_load_from_file (key_file, path, G_KEY_FILE_NONE, NULL) &&
1155 !g_key_file_get_boolean (key_file, "Desktop Entry", "Hidden", NULL))
1157 /* Index the interesting keys... */
1161 for (i = 0; i < G_N_ELEMENTS (desktop_key_match_category); i++)
1166 if (!desktop_key_match_category[i])
1169 raw = g_key_file_get_locale_string (key_file, "Desktop Entry", desktop_key_get_name (i), NULL, NULL);
1172 if (i == DESKTOP_KEY_Exec && raw != NULL)
1174 /* Special handling: only match basename of first field */
1178 /* Remove extra arguments, if any */
1179 space = raw + strcspn (raw, " \t\n"); /* IFS */
1182 /* Skip the pathname, if any */
1183 if ((slash = strrchr (raw, '/')))
1186 /* Don't match on blocklisted binaries like interpreters */
1187 if (g_strv_contains (exec_key_match_blocklist, value))
1192 memory_index_add_string (dir->memory_index, value, desktop_key_match_category[i], app);
1197 /* Make note of the Implements= line */
1198 implements = g_key_file_get_string_list (key_file, "Desktop Entry", "Implements", NULL, NULL);
1199 for (i = 0; implements && implements[i]; i++)
1200 memory_index_add_token (dir->memory_implementations, implements[i], 0, app);
1201 g_strfreev (implements);
1204 g_key_file_free (key_file);
1209 desktop_file_dir_unindexed_search (DesktopFileDir *dir,
1210 const gchar *search_token)
1212 GHashTableIter iter;
1213 gpointer key, value;
1215 if (!dir->memory_index)
1216 desktop_file_dir_unindexed_setup_search (dir);
1218 g_hash_table_iter_init (&iter, dir->memory_index);
1219 while (g_hash_table_iter_next (&iter, &key, &value))
1221 MemoryIndexEntry *mie = value;
1223 if (!g_str_has_prefix (key, search_token))
1228 add_token_result (mie->app_name, mie->match_category);
1235 array_contains (GPtrArray *array,
1240 for (i = 0; i < array->len; i++)
1241 if (g_str_equal (array->pdata[i], str))
1248 desktop_file_dir_unindexed_mime_lookup (DesktopFileDir *dir,
1249 const gchar *mime_type,
1251 GPtrArray *blocklist)
1253 UnindexedMimeTweaks *tweaks;
1256 tweaks = g_hash_table_lookup (dir->mime_tweaks, mime_type);
1261 if (tweaks->additions)
1263 for (i = 0; tweaks->additions[i]; i++)
1265 gchar *app_name = tweaks->additions[i];
1267 if (!desktop_file_dir_app_name_is_masked (dir, app_name) &&
1268 !array_contains (blocklist, app_name) && !array_contains (hits, app_name))
1269 g_ptr_array_add (hits, app_name);
1273 if (tweaks->removals)
1275 for (i = 0; tweaks->removals[i]; i++)
1277 gchar *app_name = tweaks->removals[i];
1279 if (!desktop_file_dir_app_name_is_masked (dir, app_name) &&
1280 !array_contains (blocklist, app_name) && !array_contains (hits, app_name))
1281 g_ptr_array_add (blocklist, app_name);
1287 desktop_file_dir_unindexed_default_lookup (DesktopFileDir *dir,
1288 const gchar *mime_type,
1291 UnindexedMimeTweaks *tweaks;
1294 tweaks = g_hash_table_lookup (dir->mime_tweaks, mime_type);
1296 if (!tweaks || !tweaks->defaults)
1299 for (i = 0; tweaks->defaults[i]; i++)
1301 gchar *app_name = tweaks->defaults[i];
1303 if (!array_contains (results, app_name))
1304 g_ptr_array_add (results, app_name);
1309 desktop_file_dir_unindexed_get_implementations (DesktopFileDir *dir,
1311 const gchar *interface)
1313 MemoryIndexEntry *mie;
1315 if (!dir->memory_index)
1316 desktop_file_dir_unindexed_setup_search (dir);
1318 for (mie = g_hash_table_lookup (dir->memory_implementations, interface); mie; mie = mie->next)
1319 *results = g_list_prepend (*results, g_strdup (mie->app_name));
1322 /* DesktopFileDir "API" {{{2 */
1325 * desktop_file_dir_new:
1326 * @data_dir: an XDG_DATA_DIR
1328 * Creates a #DesktopFileDir for the corresponding @data_dir.
1330 static DesktopFileDir *
1331 desktop_file_dir_new (const gchar *data_dir)
1333 DesktopFileDir *dir = g_new0 (DesktopFileDir, 1);
1335 g_atomic_ref_count_init (&dir->ref_count);
1336 dir->path = g_build_filename (data_dir, "applications", NULL);
1338 return g_steal_pointer (&dir);
1342 * desktop_file_dir_new_for_config:
1343 * @config_dir: an XDG_CONFIG_DIR
1345 * Just the same as desktop_file_dir_new() except that it does not
1346 * add the "applications" directory. It also marks the directory as
1347 * config-only, which prevents us from attempting to find desktop files
1350 static DesktopFileDir *
1351 desktop_file_dir_new_for_config (const gchar *config_dir)
1353 DesktopFileDir *dir = g_new0 (DesktopFileDir, 1);
1355 g_atomic_ref_count_init (&dir->ref_count);
1356 dir->path = g_strdup (config_dir);
1357 dir->is_config = TRUE;
1359 return g_steal_pointer (&dir);
1363 * desktop_file_dir_reset:
1364 * @dir: a #DesktopFileDir
1366 * Cleans up @dir, releasing most resources that it was using.
1369 desktop_file_dir_reset (DesktopFileDir *dir)
1371 if (dir->alternatively_watching)
1373 g_free (dir->alternatively_watching);
1374 dir->alternatively_watching = NULL;
1379 g_signal_handlers_disconnect_by_func (dir->monitor, desktop_file_dir_changed, dir);
1380 g_file_monitor_cancel (dir->monitor);
1381 g_object_unref (dir->monitor);
1382 dir->monitor = NULL;
1387 g_hash_table_unref (dir->app_names);
1388 dir->app_names = NULL;
1391 if (dir->memory_index)
1393 g_hash_table_unref (dir->memory_index);
1394 dir->memory_index = NULL;
1397 if (dir->mime_tweaks)
1399 g_hash_table_unref (dir->mime_tweaks);
1400 dir->mime_tweaks = NULL;
1403 if (dir->memory_implementations)
1405 g_hash_table_unref (dir->memory_implementations);
1406 dir->memory_implementations = NULL;
1409 dir->is_setup = FALSE;
1413 closure_notify_cb (gpointer data,
1416 DesktopFileDir *dir = data;
1417 desktop_file_dir_unref (dir);
1421 * desktop_file_dir_init:
1422 * @dir: a #DesktopFileDir
1424 * Does initial setup for @dir
1426 * You should only call this if @dir is not already setup.
1429 desktop_file_dir_init (DesktopFileDir *dir)
1431 const gchar *watch_dir;
1433 g_assert (!dir->is_setup);
1435 g_assert (!dir->alternatively_watching);
1436 g_assert (!dir->monitor);
1438 dir->alternatively_watching = desktop_file_dir_get_alternative_dir (dir);
1439 watch_dir = dir->alternatively_watching ? dir->alternatively_watching : dir->path;
1441 /* There is a very thin race here if the watch_dir has been _removed_
1442 * between when we checked for it and when we establish the watch.
1443 * Removes probably don't happen in usual operation, and even if it
1444 * does (and we catch the unlikely race), the only degradation is that
1445 * we will fall back to polling.
1447 dir->monitor = g_local_file_monitor_new_in_worker (watch_dir, TRUE, G_FILE_MONITOR_NONE,
1448 desktop_file_dir_changed,
1449 desktop_file_dir_ref (dir),
1450 closure_notify_cb, NULL);
1452 desktop_file_dir_unindexed_init (dir);
1454 dir->is_setup = TRUE;
1458 * desktop_file_dir_get_app:
1459 * @dir: a DesktopFileDir
1460 * @desktop_id: the desktop ID to load
1462 * Creates the #GDesktopAppInfo for the given @desktop_id if it exists
1463 * within @dir, even if it is hidden.
1465 * This function does not check if @desktop_id would be masked by a
1466 * directory with higher precedence. The caller must do so.
1468 static GDesktopAppInfo *
1469 desktop_file_dir_get_app (DesktopFileDir *dir,
1470 const gchar *desktop_id)
1472 if (!dir->app_names)
1475 return desktop_file_dir_unindexed_get_app (dir, desktop_id);
1479 * desktop_file_dir_get_all:
1480 * @dir: a DesktopFileDir
1481 * @apps: a #GHashTable<string, GDesktopAppInfo>
1483 * Loads all desktop files in @dir and adds them to @apps, careful to
1484 * ensure we don't add any files masked by a similarly-named file in a
1485 * higher-precedence directory.
1488 desktop_file_dir_get_all (DesktopFileDir *dir,
1491 desktop_file_dir_unindexed_get_all (dir, apps);
1495 * desktop_file_dir_mime_lookup:
1496 * @dir: a #DesktopFileDir
1497 * @mime_type: the mime type to look up
1498 * @hits: the array to store the hits
1499 * @blocklist: the array to store the blocklist
1501 * Does a lookup of a mimetype against one desktop file directory,
1502 * recording any hits and blocklisting and "Removed" associations (so
1503 * later directories don't record them as hits).
1505 * The items added to @hits are duplicated, but the ones in @blocklist
1506 * are weak pointers. This facilitates simply freeing the blocklist
1507 * (which is only used for internal bookkeeping) but using the pdata of
1508 * @hits as the result of the operation.
1511 desktop_file_dir_mime_lookup (DesktopFileDir *dir,
1512 const gchar *mime_type,
1514 GPtrArray *blocklist)
1516 desktop_file_dir_unindexed_mime_lookup (dir, mime_type, hits, blocklist);
1520 * desktop_file_dir_default_lookup:
1521 * @dir: a #DesktopFileDir
1522 * @mime_type: the mime type to look up
1523 * @results: an array to store the results in
1525 * Collects the "default" applications for a given mime type from @dir.
1528 desktop_file_dir_default_lookup (DesktopFileDir *dir,
1529 const gchar *mime_type,
1532 desktop_file_dir_unindexed_default_lookup (dir, mime_type, results);
1536 * desktop_file_dir_search:
1537 * @dir: a #DesktopFileDir
1538 * @term: a normalised and casefolded search term
1540 * Finds the names of applications in @dir that match @term.
1543 desktop_file_dir_search (DesktopFileDir *dir,
1544 const gchar *search_token)
1546 desktop_file_dir_unindexed_search (dir, search_token);
1550 desktop_file_dir_get_implementations (DesktopFileDir *dir,
1552 const gchar *interface)
1554 desktop_file_dir_unindexed_get_implementations (dir, results, interface);
1557 /* Lock/unlock and global setup API {{{2 */
1560 desktop_file_dirs_lock (void)
1563 const gchar *user_config_dir = g_get_user_config_dir ();
1565 g_mutex_lock (&desktop_file_dir_lock);
1567 /* If the XDG dirs configuration has changed (expected only during tests),
1568 * clear and reload the state. */
1569 if (desktop_file_dirs_config_dir != NULL &&
1570 g_strcmp0 (desktop_file_dirs_config_dir, user_config_dir) != 0)
1572 g_debug ("%s: Resetting desktop app info dirs from %s to %s",
1573 G_STRFUNC, desktop_file_dirs_config_dir, user_config_dir);
1575 g_ptr_array_set_size (desktop_file_dirs, 0);
1576 g_clear_pointer (&desktop_file_dir_user_config, desktop_file_dir_unref);
1577 g_clear_pointer (&desktop_file_dir_user_data, desktop_file_dir_unref);
1580 if (desktop_file_dirs == NULL || desktop_file_dirs->len == 0)
1582 const char * const *dirs;
1585 if (desktop_file_dirs == NULL)
1586 desktop_file_dirs = g_ptr_array_new_with_free_func ((GDestroyNotify) desktop_file_dir_unref);
1588 /* First, the configs. Highest priority: the user's ~/.config */
1589 desktop_file_dir_user_config = desktop_file_dir_new_for_config (user_config_dir);
1590 g_ptr_array_add (desktop_file_dirs, desktop_file_dir_ref (desktop_file_dir_user_config));
1592 /* Next, the system configs (/etc/xdg, and so on). */
1593 dirs = g_get_system_config_dirs ();
1594 for (i = 0; dirs[i]; i++)
1595 g_ptr_array_add (desktop_file_dirs, desktop_file_dir_new_for_config (dirs[i]));
1597 /* Now the data. Highest priority: the user's ~/.local/share/applications */
1598 desktop_file_dir_user_data = desktop_file_dir_new (g_get_user_data_dir ());
1599 g_ptr_array_add (desktop_file_dirs, desktop_file_dir_ref (desktop_file_dir_user_data));
1601 /* Following that, XDG_DATA_DIRS/applications, in order */
1602 dirs = g_get_system_data_dirs ();
1603 for (i = 0; dirs[i]; i++)
1604 g_ptr_array_add (desktop_file_dirs, desktop_file_dir_new (dirs[i]));
1606 /* The list of directories will never change after this, unless
1607 * g_get_user_config_dir() changes due to %G_TEST_OPTION_ISOLATE_DIRS. */
1608 desktop_file_dirs_config_dir = user_config_dir;
1611 for (i = 0; i < desktop_file_dirs->len; i++)
1612 if (!((DesktopFileDir *) g_ptr_array_index (desktop_file_dirs, i))->is_setup)
1613 desktop_file_dir_init (g_ptr_array_index (desktop_file_dirs, i));
1617 desktop_file_dirs_unlock (void)
1619 g_mutex_unlock (&desktop_file_dir_lock);
1623 desktop_file_dirs_invalidate_user_config (void)
1625 g_mutex_lock (&desktop_file_dir_lock);
1627 if (desktop_file_dir_user_config != NULL)
1628 desktop_file_dir_reset (desktop_file_dir_user_config);
1630 g_mutex_unlock (&desktop_file_dir_lock);
1634 desktop_file_dirs_invalidate_user_data (void)
1636 g_mutex_lock (&desktop_file_dir_lock);
1638 if (desktop_file_dir_user_data != NULL)
1639 desktop_file_dir_reset (desktop_file_dir_user_data);
1641 g_mutex_unlock (&desktop_file_dir_lock);
1644 /* GDesktopAppInfo implementation {{{1 */
1645 /* GObject implementation {{{2 */
1647 g_desktop_app_info_finalize (GObject *object)
1649 GDesktopAppInfo *info;
1651 info = G_DESKTOP_APP_INFO (object);
1653 g_free (info->desktop_id);
1654 g_free (info->filename);
1657 g_key_file_unref (info->keyfile);
1659 g_free (info->name);
1660 g_free (info->generic_name);
1661 g_free (info->fullname);
1662 g_free (info->comment);
1663 g_free (info->icon_name);
1665 g_object_unref (info->icon);
1666 g_strfreev (info->keywords);
1667 g_strfreev (info->only_show_in);
1668 g_strfreev (info->not_show_in);
1669 g_free (info->try_exec);
1670 g_free (info->exec);
1671 g_free (info->binary);
1672 g_free (info->path);
1673 g_free (info->categories);
1674 g_free (info->startup_wm_class);
1675 g_strfreev (info->mime_types);
1676 g_free (info->app_id);
1677 g_strfreev (info->actions);
1679 G_OBJECT_CLASS (g_desktop_app_info_parent_class)->finalize (object);
1683 g_desktop_app_info_set_property (GObject *object,
1685 const GValue *value,
1688 GDesktopAppInfo *self = G_DESKTOP_APP_INFO (object);
1693 self->filename = g_value_dup_string (value);
1697 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1703 g_desktop_app_info_get_property (GObject *object,
1708 GDesktopAppInfo *self = G_DESKTOP_APP_INFO (object);
1713 g_value_set_string (value, self->filename);
1716 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1722 g_desktop_app_info_class_init (GDesktopAppInfoClass *klass)
1724 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
1726 gobject_class->get_property = g_desktop_app_info_get_property;
1727 gobject_class->set_property = g_desktop_app_info_set_property;
1728 gobject_class->finalize = g_desktop_app_info_finalize;
1731 * GDesktopAppInfo:filename:
1733 * The origin filename of this #GDesktopAppInfo
1735 g_object_class_install_property (gobject_class,
1737 g_param_spec_string ("filename", "Filename", "", NULL,
1738 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
1742 g_desktop_app_info_init (GDesktopAppInfo *local)
1746 /* Construction... {{{2 */
1750 * @exec: an exec line
1752 * Returns the first word in an exec line (ie: the binary name).
1754 * If @exec is " progname --foo %F" then returns "progname".
1757 binary_from_exec (const char *exec)
1759 const char *p, *start;
1765 while (*p != ' ' && *p != 0)
1768 return g_strndup (start, p - start);
1772 * g_desktop_app_info_get_desktop_id_for_filename
1773 * @self: #GDesktopAppInfo to get desktop id of
1775 * Tries to find the desktop ID for a particular `.desktop` filename, as per the
1776 * [Desktop Entry Specification](https://specifications.freedesktop.org/desktop-
1777 * entry-spec/desktop-entry-spec-latest.html#desktop-file-id).
1779 * Returns: desktop id or basename if filename is unknown.
1782 g_desktop_app_info_get_desktop_id_for_filename (GDesktopAppInfo *self)
1785 gchar *desktop_id = NULL;
1787 g_return_val_if_fail (self->filename != NULL, NULL);
1789 for (i = 0; i < desktop_file_dirs->len; i++)
1791 DesktopFileDir *dir = g_ptr_array_index (desktop_file_dirs, i);
1792 GHashTable *app_names;
1793 GHashTableIter iter;
1794 gpointer key, value;
1796 app_names = dir->app_names;
1801 g_hash_table_iter_init (&iter, app_names);
1802 while (g_hash_table_iter_next (&iter, &key, &value))
1804 if (!strcmp (value, self->filename))
1806 desktop_id = g_strdup (key);
1816 desktop_id = g_path_get_basename (self->filename);
1818 return g_steal_pointer (&desktop_id);
1822 g_desktop_app_info_load_from_keyfile (GDesktopAppInfo *info,
1829 gboolean bus_activatable;
1831 start_group = g_key_file_get_start_group (key_file);
1832 if (start_group == NULL || strcmp (start_group, G_KEY_FILE_DESKTOP_GROUP) != 0)
1834 g_free (start_group);
1837 g_free (start_group);
1839 type = g_key_file_get_string (key_file,
1840 G_KEY_FILE_DESKTOP_GROUP,
1841 G_KEY_FILE_DESKTOP_KEY_TYPE,
1843 if (type == NULL || strcmp (type, G_KEY_FILE_DESKTOP_TYPE_APPLICATION) != 0)
1850 try_exec = g_key_file_get_string (key_file,
1851 G_KEY_FILE_DESKTOP_GROUP,
1852 G_KEY_FILE_DESKTOP_KEY_TRY_EXEC,
1854 if (try_exec && try_exec[0] != '\0')
1857 t = g_find_program_in_path (try_exec);
1866 exec = g_key_file_get_string (key_file,
1867 G_KEY_FILE_DESKTOP_GROUP,
1868 G_KEY_FILE_DESKTOP_KEY_EXEC,
1870 if (exec && exec[0] != '\0')
1874 if (!g_shell_parse_argv (exec, &argc, &argv, NULL))
1884 /* Since @exec is not an empty string, there must be at least one
1885 * argument, so dereferencing argv[0] should return non-NULL. */
1886 g_assert (argc > 0);
1887 t = g_find_program_in_path (argv[0]);
1900 info->name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, NULL, NULL);
1901 info->generic_name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, GENERIC_NAME_KEY, NULL, NULL);
1902 info->fullname = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, FULL_NAME_KEY, NULL, NULL);
1903 info->keywords = g_key_file_get_locale_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP, KEYWORDS_KEY, NULL, NULL, NULL);
1904 info->comment = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_COMMENT, NULL, NULL);
1905 info->nodisplay = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, NULL) != FALSE;
1906 info->icon_name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_ICON, NULL, NULL);
1907 info->only_show_in = g_key_file_get_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_ONLY_SHOW_IN, NULL, NULL);
1908 info->not_show_in = g_key_file_get_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NOT_SHOW_IN, NULL, NULL);
1909 info->try_exec = try_exec;
1911 info->path = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_PATH, NULL);
1912 info->terminal = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TERMINAL, NULL) != FALSE;
1913 info->startup_notify = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_STARTUP_NOTIFY, NULL) != FALSE;
1914 info->no_fuse = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GIO-NoFuse", NULL) != FALSE;
1915 info->hidden = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN, NULL) != FALSE;
1916 info->categories = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_CATEGORIES, NULL);
1917 info->startup_wm_class = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, STARTUP_WM_CLASS_KEY, NULL);
1918 info->mime_types = g_key_file_get_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_MIME_TYPE, NULL, NULL);
1919 bus_activatable = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_DBUS_ACTIVATABLE, NULL);
1920 info->actions = g_key_file_get_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_ACTIONS, NULL, NULL);
1922 /* Remove the special-case: no Actions= key just means 0 extra actions */
1923 if (info->actions == NULL)
1924 info->actions = g_new0 (gchar *, 0 + 1);
1927 if (info->icon_name)
1929 if (g_path_is_absolute (info->icon_name))
1933 file = g_file_new_for_path (info->icon_name);
1934 info->icon = g_file_icon_new (file);
1935 g_object_unref (file);
1941 /* Work around a common mistake in desktop files */
1942 if ((p = strrchr (info->icon_name, '.')) != NULL &&
1943 (strcmp (p, ".png") == 0 ||
1944 strcmp (p, ".xpm") == 0 ||
1945 strcmp (p, ".svg") == 0))
1948 info->icon = g_themed_icon_new (info->icon_name);
1953 info->binary = binary_from_exec (info->exec);
1955 if (info->path && info->path[0] == '\0')
1957 g_free (info->path);
1961 /* Can only be DBusActivatable if we know the filename, which means
1962 * that this won't work for the load-from-keyfile case.
1964 if (bus_activatable && info->filename)
1969 basename = g_path_get_basename (info->filename);
1970 last_dot = strrchr (basename, '.');
1972 if (last_dot && g_str_equal (last_dot, ".desktop"))
1976 if (g_dbus_is_name (basename) && basename[0] != ':')
1977 info->app_id = g_strdup (basename);
1984 info->desktop_id = g_desktop_app_info_get_desktop_id_for_filename (info);
1986 info->keyfile = g_key_file_ref (key_file);
1992 g_desktop_app_info_load_file (GDesktopAppInfo *self)
1995 gboolean retval = FALSE;
1997 g_return_val_if_fail (self->filename != NULL, FALSE);
1999 key_file = g_key_file_new ();
2001 if (g_key_file_load_from_file (key_file, self->filename, G_KEY_FILE_NONE, NULL))
2002 retval = g_desktop_app_info_load_from_keyfile (self, key_file);
2004 g_key_file_unref (key_file);
2009 * g_desktop_app_info_new_from_keyfile:
2010 * @key_file: an opened #GKeyFile
2012 * Creates a new #GDesktopAppInfo.
2014 * Returns: (nullable): a new #GDesktopAppInfo or %NULL on error.
2019 g_desktop_app_info_new_from_keyfile (GKeyFile *key_file)
2021 GDesktopAppInfo *info;
2023 info = g_object_new (G_TYPE_DESKTOP_APP_INFO, NULL);
2024 info->filename = NULL;
2026 desktop_file_dirs_lock ();
2028 if (!g_desktop_app_info_load_from_keyfile (info, key_file))
2029 g_clear_object (&info);
2031 desktop_file_dirs_unlock ();
2037 * g_desktop_app_info_new_from_filename:
2038 * @filename: (type filename): the path of a desktop file, in the GLib
2041 * Creates a new #GDesktopAppInfo.
2043 * Returns: (nullable): a new #GDesktopAppInfo or %NULL on error.
2046 g_desktop_app_info_new_from_filename (const char *filename)
2048 GDesktopAppInfo *info = NULL;
2050 desktop_file_dirs_lock ();
2052 info = g_desktop_app_info_new_from_filename_unlocked (filename);
2054 desktop_file_dirs_unlock ();
2060 * g_desktop_app_info_new:
2061 * @desktop_id: the desktop file id
2063 * Creates a new #GDesktopAppInfo based on a desktop file id.
2065 * A desktop file id is the basename of the desktop file, including the
2066 * .desktop extension. GIO is looking for a desktop file with this name
2067 * in the `applications` subdirectories of the XDG
2068 * data directories (i.e. the directories specified in the `XDG_DATA_HOME`
2069 * and `XDG_DATA_DIRS` environment variables). GIO also supports the
2070 * prefix-to-subdirectory mapping that is described in the
2071 * [Menu Spec](http://standards.freedesktop.org/menu-spec/latest/)
2072 * (i.e. a desktop id of kde-foo.desktop will match
2073 * `/usr/share/applications/kde/foo.desktop`).
2075 * Returns: (nullable): a new #GDesktopAppInfo, or %NULL if no desktop
2076 * file with that id exists.
2079 g_desktop_app_info_new (const char *desktop_id)
2081 GDesktopAppInfo *appinfo = NULL;
2084 desktop_file_dirs_lock ();
2086 for (i = 0; i < desktop_file_dirs->len; i++)
2088 appinfo = desktop_file_dir_get_app (g_ptr_array_index (desktop_file_dirs, i), desktop_id);
2094 desktop_file_dirs_unlock ();
2096 if (appinfo == NULL)
2099 g_free (appinfo->desktop_id);
2100 appinfo->desktop_id = g_strdup (desktop_id);
2102 if (g_desktop_app_info_get_is_hidden (appinfo))
2104 g_object_unref (appinfo);
2112 g_desktop_app_info_dup (GAppInfo *appinfo)
2114 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
2115 GDesktopAppInfo *new_info;
2117 new_info = g_object_new (G_TYPE_DESKTOP_APP_INFO, NULL);
2119 new_info->filename = g_strdup (info->filename);
2120 new_info->desktop_id = g_strdup (info->desktop_id);
2123 new_info->keyfile = g_key_file_ref (info->keyfile);
2125 new_info->name = g_strdup (info->name);
2126 new_info->generic_name = g_strdup (info->generic_name);
2127 new_info->fullname = g_strdup (info->fullname);
2128 new_info->keywords = g_strdupv (info->keywords);
2129 new_info->comment = g_strdup (info->comment);
2130 new_info->nodisplay = info->nodisplay;
2131 new_info->icon_name = g_strdup (info->icon_name);
2133 new_info->icon = g_object_ref (info->icon);
2134 new_info->only_show_in = g_strdupv (info->only_show_in);
2135 new_info->not_show_in = g_strdupv (info->not_show_in);
2136 new_info->try_exec = g_strdup (info->try_exec);
2137 new_info->exec = g_strdup (info->exec);
2138 new_info->binary = g_strdup (info->binary);
2139 new_info->path = g_strdup (info->path);
2140 new_info->app_id = g_strdup (info->app_id);
2141 new_info->hidden = info->hidden;
2142 new_info->terminal = info->terminal;
2143 new_info->startup_notify = info->startup_notify;
2145 return G_APP_INFO (new_info);
2148 /* GAppInfo interface implementation functions {{{2 */
2151 g_desktop_app_info_equal (GAppInfo *appinfo1,
2154 GDesktopAppInfo *info1 = G_DESKTOP_APP_INFO (appinfo1);
2155 GDesktopAppInfo *info2 = G_DESKTOP_APP_INFO (appinfo2);
2157 if (info1->desktop_id == NULL ||
2158 info2->desktop_id == NULL)
2159 return info1 == info2;
2161 return strcmp (info1->desktop_id, info2->desktop_id) == 0;
2165 g_desktop_app_info_get_id (GAppInfo *appinfo)
2167 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
2169 return info->desktop_id;
2173 g_desktop_app_info_get_name (GAppInfo *appinfo)
2175 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
2177 if (info->name == NULL)
2178 return _("Unnamed");
2183 g_desktop_app_info_get_display_name (GAppInfo *appinfo)
2185 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
2187 if (info->fullname == NULL)
2188 return g_desktop_app_info_get_name (appinfo);
2189 return info->fullname;
2193 * g_desktop_app_info_get_is_hidden:
2194 * @info: a #GDesktopAppInfo.
2196 * A desktop file is hidden if the Hidden key in it is
2199 * Returns: %TRUE if hidden, %FALSE otherwise.
2202 g_desktop_app_info_get_is_hidden (GDesktopAppInfo *info)
2204 return info->hidden;
2208 * g_desktop_app_info_get_filename:
2209 * @info: a #GDesktopAppInfo
2211 * When @info was created from a known filename, return it. In some
2212 * situations such as the #GDesktopAppInfo returned from
2213 * g_desktop_app_info_new_from_keyfile(), this function will return %NULL.
2215 * Returns: (nullable) (type filename): The full path to the file for @info,
2216 * or %NULL if not known.
2220 g_desktop_app_info_get_filename (GDesktopAppInfo *info)
2222 return info->filename;
2226 g_desktop_app_info_get_description (GAppInfo *appinfo)
2228 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
2230 return info->comment;
2234 g_desktop_app_info_get_executable (GAppInfo *appinfo)
2236 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
2238 return info->binary;
2242 g_desktop_app_info_get_commandline (GAppInfo *appinfo)
2244 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
2250 g_desktop_app_info_get_icon (GAppInfo *appinfo)
2252 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
2258 * g_desktop_app_info_get_categories:
2259 * @info: a #GDesktopAppInfo
2261 * Gets the categories from the desktop file.
2263 * Returns: (nullable): The unparsed Categories key from the desktop file;
2264 * i.e. no attempt is made to split it by ';' or validate it.
2267 g_desktop_app_info_get_categories (GDesktopAppInfo *info)
2269 return info->categories;
2273 * g_desktop_app_info_get_keywords:
2274 * @info: a #GDesktopAppInfo
2276 * Gets the keywords from the desktop file.
2278 * Returns: (transfer none): The value of the Keywords key
2282 const char * const *
2283 g_desktop_app_info_get_keywords (GDesktopAppInfo *info)
2285 return (const char * const *)info->keywords;
2289 * g_desktop_app_info_get_generic_name:
2290 * @info: a #GDesktopAppInfo
2292 * Gets the generic name from the desktop file.
2294 * Returns: (nullable): The value of the GenericName key
2297 g_desktop_app_info_get_generic_name (GDesktopAppInfo *info)
2299 return info->generic_name;
2303 * g_desktop_app_info_get_nodisplay:
2304 * @info: a #GDesktopAppInfo
2306 * Gets the value of the NoDisplay key, which helps determine if the
2307 * application info should be shown in menus. See
2308 * %G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY and g_app_info_should_show().
2310 * Returns: The value of the NoDisplay key
2315 g_desktop_app_info_get_nodisplay (GDesktopAppInfo *info)
2317 return info->nodisplay;
2321 * g_desktop_app_info_get_show_in:
2322 * @info: a #GDesktopAppInfo
2323 * @desktop_env: (nullable): a string specifying a desktop name
2325 * Checks if the application info should be shown in menus that list available
2326 * applications for a specific name of the desktop, based on the
2327 * `OnlyShowIn` and `NotShowIn` keys.
2329 * @desktop_env should typically be given as %NULL, in which case the
2330 * `XDG_CURRENT_DESKTOP` environment variable is consulted. If you want
2331 * to override the default mechanism then you may specify @desktop_env,
2332 * but this is not recommended.
2334 * Note that g_app_info_should_show() for @info will include this check (with
2335 * %NULL for @desktop_env) as well as additional checks.
2337 * Returns: %TRUE if the @info should be shown in @desktop_env according to the
2338 * `OnlyShowIn` and `NotShowIn` keys, %FALSE
2344 g_desktop_app_info_get_show_in (GDesktopAppInfo *info,
2345 const gchar *desktop_env)
2347 const gchar *specified_envs[] = { desktop_env, NULL };
2348 const gchar * const *envs;
2351 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), FALSE);
2354 envs = specified_envs;
2356 envs = get_current_desktops (NULL);
2358 for (i = 0; envs[i]; i++)
2362 if (info->only_show_in)
2363 for (j = 0; info->only_show_in[j]; j++)
2364 if (g_str_equal (info->only_show_in[j], envs[i]))
2367 if (info->not_show_in)
2368 for (j = 0; info->not_show_in[j]; j++)
2369 if (g_str_equal (info->not_show_in[j], envs[i]))
2373 return info->only_show_in == NULL;
2376 /* Launching... {{{2 */
2379 expand_macro_single (char macro, const char *uri)
2382 char *result = NULL;
2386 file = g_file_new_for_uri (uri);
2392 result = g_shell_quote (uri);
2396 path = g_file_get_path (file);
2398 result = g_shell_quote (path);
2402 path = g_file_get_path (file);
2405 name = g_path_get_dirname (path);
2406 result = g_shell_quote (name);
2412 path = g_file_get_path (file);
2415 name = g_path_get_basename (path);
2416 result = g_shell_quote (name);
2422 g_object_unref (file);
2429 expand_macro_uri (char macro, const char *uri, gboolean force_file_uri, char force_file_uri_macro)
2431 char *expanded = NULL;
2433 g_return_val_if_fail (uri != NULL, NULL);
2435 if (!force_file_uri ||
2436 /* Pass URI if it contains an anchor */
2437 strchr (uri, '#') != NULL)
2439 expanded = expand_macro_single (macro, uri);
2443 expanded = expand_macro_single (force_file_uri_macro, uri);
2444 if (expanded == NULL)
2445 expanded = expand_macro_single (macro, uri);
2452 expand_macro (char macro,
2454 GDesktopAppInfo *info,
2457 GList *uris = *uri_list;
2458 char *expanded = NULL;
2459 gboolean force_file_uri;
2460 char force_file_uri_macro;
2463 g_return_if_fail (exec != NULL);
2465 /* On %u and %U, pass POSIX file path pointing to the URI via
2466 * the FUSE mount in ~/.gvfs. Note that if the FUSE daemon isn't
2467 * running or the URI doesn't have a POSIX file path via FUSE
2468 * we'll just pass the URI.
2470 force_file_uri_macro = macro;
2471 force_file_uri = FALSE;
2477 force_file_uri_macro = 'f';
2478 force_file_uri = TRUE;
2481 force_file_uri_macro = 'F';
2482 force_file_uri = TRUE;
2498 expanded = expand_macro_uri (macro, uri,
2499 force_file_uri, force_file_uri_macro);
2502 g_string_append (exec, expanded);
2517 expanded = expand_macro_uri (macro, uri,
2518 force_file_uri, force_file_uri_macro);
2521 g_string_append (exec, expanded);
2527 if (uris != NULL && expanded)
2528 g_string_append_c (exec, ' ');
2534 if (info->icon_name)
2536 g_string_append (exec, "--icon ");
2537 expanded = g_shell_quote (info->icon_name);
2538 g_string_append (exec, expanded);
2546 expanded = g_shell_quote (info->name);
2547 g_string_append (exec, expanded);
2555 expanded = g_shell_quote (info->filename);
2556 g_string_append (exec, expanded);
2561 case 'm': /* deprecated */
2565 g_string_append_c (exec, '%');
2573 expand_application_parameters (GDesktopAppInfo *info,
2574 const gchar *exec_line,
2580 GList *uri_list = *uris;
2581 const char *p = exec_line;
2582 GString *expanded_exec;
2585 if (exec_line == NULL)
2587 g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
2588 _("Desktop file didn’t specify Exec field"));
2592 expanded_exec = g_string_new (NULL);
2596 if (p[0] == '%' && p[1] != '\0')
2598 expand_macro (p[1], expanded_exec, info, uris);
2602 g_string_append_c (expanded_exec, *p);
2607 /* No file substitutions */
2608 if (uri_list == *uris && uri_list != NULL)
2610 /* If there is no macro default to %f. This is also what KDE does */
2611 g_string_append_c (expanded_exec, ' ');
2612 expand_macro ('f', expanded_exec, info, uris);
2615 res = g_shell_parse_argv (expanded_exec->str, argc, argv, error);
2616 g_string_free (expanded_exec, TRUE);
2621 prepend_terminal_to_vector (int *argc,
2628 char **term_argv = NULL;
2633 g_return_val_if_fail (argc != NULL, FALSE);
2634 g_return_val_if_fail (argv != NULL, FALSE);
2642 /* compute size if not given */
2645 for (i = 0; the_argv[i] != NULL; i++)
2651 term_argv = g_new0 (char *, 3);
2653 check = g_find_program_in_path ("gnome-terminal");
2656 term_argv[0] = check;
2657 /* Since 2017, gnome-terminal has preferred `--` over `-x` or `-e`. */
2658 term_argv[1] = g_strdup ("--");
2663 check = g_find_program_in_path ("mate-terminal");
2665 check = g_find_program_in_path ("xfce4-terminal");
2668 term_argv[0] = check;
2669 /* Note that gnome-terminal takes -x and
2670 * as -e in gnome-terminal is broken we use that. */
2671 term_argv[1] = g_strdup ("-x");
2676 check = g_find_program_in_path ("tilix");
2678 check = g_find_program_in_path ("konsole");
2680 check = g_find_program_in_path ("nxterm");
2682 check = g_find_program_in_path ("color-xterm");
2684 check = g_find_program_in_path ("rxvt");
2686 check = g_find_program_in_path ("dtterm");
2688 check = g_find_program_in_path ("xterm");
2691 g_debug ("Couldn’t find a known terminal");
2695 term_argv[0] = check;
2696 term_argv[1] = g_strdup ("-e");
2700 real_argc = term_argc + *argc;
2701 real_argv = g_new (char *, real_argc + 1);
2703 for (i = 0; i < term_argc; i++)
2704 real_argv[i] = term_argv[i];
2706 for (j = 0; j < *argc; j++, i++)
2707 real_argv[i] = (char *)the_argv[j];
2709 real_argv[i] = NULL;
2715 /* we use g_free here as we sucked all the inner strings
2716 * out from it into real_argv */
2721 #endif /* G_OS_WIN32 */
2725 create_files_for_uris (GList *uris)
2732 for (iter = uris; iter; iter = iter->next)
2734 GFile *file = g_file_new_for_uri ((char *)iter->data);
2735 res = g_list_prepend (res, file);
2738 return g_list_reverse (res);
2742 notify_desktop_launch (GDBusConnection *session_bus,
2743 GDesktopAppInfo *info,
2745 const char *display,
2750 GVariantBuilder uri_variant;
2751 GVariantBuilder extras_variant;
2753 const char *desktop_file_id;
2754 const char *gio_desktop_file;
2756 if (session_bus == NULL)
2759 g_variant_builder_init (&uri_variant, G_VARIANT_TYPE ("as"));
2760 for (iter = uris; iter; iter = iter->next)
2761 g_variant_builder_add (&uri_variant, "s", iter->data);
2763 g_variant_builder_init (&extras_variant, G_VARIANT_TYPE ("a{sv}"));
2764 if (sn_id != NULL && g_utf8_validate (sn_id, -1, NULL))
2765 g_variant_builder_add (&extras_variant, "{sv}",
2769 gio_desktop_file = g_getenv ("GIO_LAUNCHED_DESKTOP_FILE");
2770 if (gio_desktop_file != NULL)
2771 g_variant_builder_add (&extras_variant, "{sv}",
2772 "origin-desktop-file",
2773 g_variant_new_bytestring (gio_desktop_file));
2774 if (g_get_prgname () != NULL)
2775 g_variant_builder_add (&extras_variant, "{sv}",
2777 g_variant_new_bytestring (g_get_prgname ()));
2778 g_variant_builder_add (&extras_variant, "{sv}",
2781 (gint64)getpid ()));
2784 desktop_file_id = info->filename;
2785 else if (info->desktop_id)
2786 desktop_file_id = info->desktop_id;
2788 desktop_file_id = "";
2790 msg = g_dbus_message_new_signal ("/org/gtk/gio/DesktopAppInfo",
2791 "org.gtk.gio.DesktopAppInfo",
2793 g_dbus_message_set_body (msg, g_variant_new ("(@aysxasa{sv})",
2794 g_variant_new_bytestring (desktop_file_id),
2795 display ? display : "",
2799 g_dbus_connection_send_message (session_bus,
2803 g_object_unref (msg);
2807 emit_launch_started (GAppLaunchContext *context,
2808 GDesktopAppInfo *info,
2809 const gchar *startup_id)
2811 GVariantBuilder builder;
2812 GVariant *platform_data = NULL;
2816 g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
2817 g_variant_builder_add (&builder, "{sv}",
2818 "startup-notification-id",
2819 g_variant_new_string (startup_id));
2820 platform_data = g_variant_ref_sink (g_variant_builder_end (&builder));
2822 g_signal_emit_by_name (context, "launch-started", info, platform_data);
2823 g_clear_pointer (&platform_data, g_variant_unref);
2826 #define _SPAWN_FLAGS_DEFAULT (G_SPAWN_SEARCH_PATH)
2829 g_desktop_app_info_launch_uris_with_spawn (GDesktopAppInfo *info,
2830 GDBusConnection *session_bus,
2831 const gchar *exec_line,
2833 GAppLaunchContext *launch_context,
2834 GSpawnFlags spawn_flags,
2835 GSpawnChildSetupFunc user_setup,
2836 gpointer user_setup_data,
2837 GDesktopAppLaunchCallback pid_callback,
2838 gpointer pid_callback_data,
2844 gboolean completed = FALSE;
2848 char **argv, **envp;
2851 g_return_val_if_fail (info != NULL, FALSE);
2856 envp = g_app_launch_context_get_environment (launch_context);
2858 envp = g_get_environ ();
2860 /* The GList* passed to expand_application_parameters() will be modified
2861 * internally by expand_macro(), so we need to pass a copy of it instead,
2862 * and also use that copy to control the exit condition of the loop below.
2868 GList *launched_uris;
2871 char **wrapped_argv;
2874 const gchar * const wrapper_argv[] =
2879 "-c", "export GIO_LAUNCHED_DESKTOP_FILE_PID=$$; exec \"$@\"",
2880 "sh", /* argv[0] for sh */
2883 old_uris = dup_uris;
2884 if (!expand_application_parameters (info, exec_line, &dup_uris, &argc, &argv, error))
2887 /* Get the subset of URIs we're launching with this process */
2888 launched_uris = NULL;
2889 for (iter = old_uris; iter != NULL && iter != dup_uris; iter = iter->next)
2890 launched_uris = g_list_prepend (launched_uris, iter->data);
2891 launched_uris = g_list_reverse (launched_uris);
2893 if (info->terminal && !prepend_terminal_to_vector (&argc, &argv))
2895 g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
2896 _("Unable to find terminal required for application"));
2901 envp = g_environ_setenv (envp,
2902 "GIO_LAUNCHED_DESKTOP_FILE",
2909 GList *launched_files = create_files_for_uris (launched_uris);
2911 if (info->startup_notify)
2913 sn_id = g_app_launch_context_get_startup_notify_id (launch_context,
2917 envp = g_environ_setenv (envp, "DESKTOP_STARTUP_ID", sn_id, TRUE);
2920 g_list_free_full (launched_files, g_object_unref);
2922 emit_launch_started (launch_context, info, sn_id);
2925 /* Wrap the @argv in a command which will set the
2926 * `GIO_LAUNCHED_DESKTOP_FILE_PID` environment variable. We can’t set this
2927 * in @envp along with `GIO_LAUNCHED_DESKTOP_FILE` because we need to know
2928 * the PID of the new forked process. We can’t use setenv() between fork()
2929 * and exec() because we’d rather use posix_spawn() for speed.
2931 * `sh` should be available on all the platforms that `GDesktopAppInfo`
2932 * currently supports (since they are all POSIX). If additional platforms
2933 * need to be supported in future, it will probably have to be replaced
2934 * with a wrapper program (grep the GLib git history for
2935 * `gio-launch-desktop` for an example of this which could be
2937 wrapped_argv = g_new (char *, argc + G_N_ELEMENTS (wrapper_argv) + 1);
2939 for (j = 0; j < G_N_ELEMENTS (wrapper_argv); j++)
2940 wrapped_argv[j] = g_strdup (wrapper_argv[j]);
2941 for (i = 0; i < argc; i++)
2942 wrapped_argv[i + G_N_ELEMENTS (wrapper_argv)] = g_steal_pointer (&argv[i]);
2944 wrapped_argv[i + G_N_ELEMENTS (wrapper_argv)] = NULL;
2948 if (!g_spawn_async_with_fds (info->path,
2961 g_app_launch_context_launch_failed (launch_context, sn_id);
2964 g_list_free (launched_uris);
2969 if (pid_callback != NULL)
2970 pid_callback (info, pid, pid_callback_data);
2972 if (launch_context != NULL)
2974 GVariantBuilder builder;
2975 GVariant *platform_data;
2977 g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
2978 g_variant_builder_add (&builder, "{sv}", "pid", g_variant_new_int32 (pid));
2980 g_variant_builder_add (&builder, "{sv}", "startup-notification-id", g_variant_new_string (sn_id));
2981 platform_data = g_variant_ref_sink (g_variant_builder_end (&builder));
2982 g_signal_emit_by_name (launch_context, "launched", info, platform_data);
2983 g_variant_unref (platform_data);
2986 notify_desktop_launch (session_bus,
2994 g_list_free (launched_uris);
2996 g_strfreev (wrapped_argv);
2997 wrapped_argv = NULL;
2999 while (dup_uris != NULL);
3011 object_path_from_appid (const gchar *appid)
3013 gchar *appid_path, *iter;
3015 appid_path = g_strconcat ("/", appid, NULL);
3016 for (iter = appid_path; *iter; iter++)
3029 g_desktop_app_info_make_platform_data (GDesktopAppInfo *info,
3031 GAppLaunchContext *launch_context)
3033 GVariantBuilder builder;
3035 g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
3039 GList *launched_files = create_files_for_uris (uris);
3041 if (info->startup_notify)
3045 sn_id = g_app_launch_context_get_startup_notify_id (launch_context, G_APP_INFO (info), launched_files);
3047 g_variant_builder_add (&builder, "{sv}", "desktop-startup-id", g_variant_new_take_string (sn_id));
3050 g_list_free_full (launched_files, g_object_unref);
3053 return g_variant_builder_end (&builder);
3058 GDesktopAppInfo *info; /* (owned) */
3059 GAppLaunchContext *launch_context; /* (owned) (nullable) */
3060 GAsyncReadyCallback callback;
3061 gchar *startup_id; /* (owned) */
3063 } LaunchUrisWithDBusData;
3066 launch_uris_with_dbus_data_free (LaunchUrisWithDBusData *data)
3068 g_clear_object (&data->info);
3069 g_clear_object (&data->launch_context);
3070 g_free (data->startup_id);
3076 launch_uris_with_dbus_signal_cb (GObject *object,
3077 GAsyncResult *result,
3080 LaunchUrisWithDBusData *data = user_data;
3081 GVariantBuilder builder;
3083 if (data->launch_context)
3085 if (g_task_had_error (G_TASK (result)))
3086 g_app_launch_context_launch_failed (data->launch_context, data->startup_id);
3089 GVariant *platform_data;
3091 g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
3092 /* the docs guarantee `pid` will be set, but we can’t
3093 * easily know it for a D-Bus process, so set it to zero */
3094 g_variant_builder_add (&builder, "{sv}", "pid", g_variant_new_int32 (0));
3095 if (data->startup_id)
3096 g_variant_builder_add (&builder, "{sv}",
3097 "startup-notification-id",
3098 g_variant_new_string (data->startup_id));
3099 platform_data = g_variant_ref_sink (g_variant_builder_end (&builder));
3100 g_signal_emit_by_name (data->launch_context,
3104 g_variant_unref (platform_data);
3109 data->callback (object, result, data->user_data);
3111 launch_uris_with_dbus_data_free (data);
3115 launch_uris_with_dbus (GDesktopAppInfo *info,
3116 GDBusConnection *session_bus,
3118 GAppLaunchContext *launch_context,
3119 GCancellable *cancellable,
3120 GAsyncReadyCallback callback,
3123 GVariant *platform_data;
3124 GVariantBuilder builder;
3127 LaunchUrisWithDBusData *data;
3129 g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE);
3135 g_variant_builder_open (&builder, G_VARIANT_TYPE_STRING_ARRAY);
3136 for (iter = uris; iter; iter = iter->next)
3137 g_variant_builder_add (&builder, "s", iter->data);
3138 g_variant_builder_close (&builder);
3141 platform_data = g_desktop_app_info_make_platform_data (info, uris, launch_context);
3143 g_variant_builder_add_value (&builder, platform_data);
3144 object_path = object_path_from_appid (info->app_id);
3146 data = g_new0 (LaunchUrisWithDBusData, 1);
3147 data->info = g_object_ref (info);
3148 data->callback = callback;
3149 data->user_data = user_data;
3150 data->launch_context = launch_context ? g_object_ref (launch_context) : NULL;
3151 g_variant_dict_init (&dict, platform_data);
3152 g_variant_dict_lookup (&dict, "desktop-startup-id", "s", &data->startup_id);
3155 emit_launch_started (launch_context, info, data->startup_id);
3157 g_dbus_connection_call (session_bus, info->app_id, object_path, "org.freedesktop.Application",
3158 uris ? "Open" : "Activate", g_variant_builder_end (&builder),
3159 NULL, G_DBUS_CALL_FLAGS_NONE, -1,
3160 cancellable, launch_uris_with_dbus_signal_cb, g_steal_pointer (&data));
3161 g_free (object_path);
3163 g_variant_dict_clear (&dict);
3167 g_desktop_app_info_launch_uris_with_dbus (GDesktopAppInfo *info,
3168 GDBusConnection *session_bus,
3170 GAppLaunchContext *launch_context,
3171 GCancellable *cancellable,
3172 GAsyncReadyCallback callback,
3175 GList *ruris = uris;
3176 char *app_id = NULL;
3178 g_return_val_if_fail (info != NULL, FALSE);
3181 app_id = g_desktop_app_info_get_string (info, "X-Flatpak");
3182 if (app_id && *app_id)
3184 ruris = g_document_portal_add_documents (uris, app_id, NULL);
3190 launch_uris_with_dbus (info, session_bus, ruris, launch_context,
3191 cancellable, callback, user_data);
3194 g_list_free_full (ruris, g_free);
3202 g_desktop_app_info_launch_uris_internal (GAppInfo *appinfo,
3204 GAppLaunchContext *launch_context,
3205 GSpawnFlags spawn_flags,
3206 GSpawnChildSetupFunc user_setup,
3207 gpointer user_setup_data,
3208 GDesktopAppLaunchCallback pid_callback,
3209 gpointer pid_callback_data,
3215 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
3216 GDBusConnection *session_bus;
3217 gboolean success = TRUE;
3219 session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
3221 if (session_bus && info->app_id)
3222 /* This is non-blocking API. Similar to launching via fork()/exec()
3223 * we don't wait around to see if the program crashed during startup.
3224 * This is what startup-notification's job is...
3226 g_desktop_app_info_launch_uris_with_dbus (info, session_bus, uris, launch_context,
3229 success = g_desktop_app_info_launch_uris_with_spawn (info, session_bus, info->exec, uris, launch_context,
3230 spawn_flags, user_setup, user_setup_data,
3231 pid_callback, pid_callback_data,
3232 stdin_fd, stdout_fd, stderr_fd, error);
3234 if (session_bus != NULL)
3236 /* This asynchronous flush holds a reference until it completes,
3237 * which ensures that the following unref won't immediately kill
3238 * the connection if we were the initial owner.
3240 g_dbus_connection_flush (session_bus, NULL, NULL, NULL);
3241 g_object_unref (session_bus);
3248 g_desktop_app_info_launch_uris (GAppInfo *appinfo,
3250 GAppLaunchContext *launch_context,
3253 return g_desktop_app_info_launch_uris_internal (appinfo, uris,
3255 _SPAWN_FLAGS_DEFAULT,
3256 NULL, NULL, NULL, NULL,
3265 GAppLaunchContext *context;
3269 launch_uris_data_free (LaunchUrisData *data)
3271 g_clear_object (&data->context);
3272 g_list_free_full (data->uris, g_free);
3277 launch_uris_with_dbus_cb (GObject *object,
3278 GAsyncResult *result,
3281 GTask *task = G_TASK (user_data);
3282 GError *error = NULL;
3284 g_dbus_connection_call_finish (G_DBUS_CONNECTION (object), result, &error);
3287 g_dbus_error_strip_remote_error (error);
3288 g_task_return_error (task, g_steal_pointer (&error));
3291 g_task_return_boolean (task, TRUE);
3293 g_object_unref (task);
3297 launch_uris_flush_cb (GObject *object,
3298 GAsyncResult *result,
3301 GTask *task = G_TASK (user_data);
3303 g_dbus_connection_flush_finish (G_DBUS_CONNECTION (object), result, NULL);
3304 g_task_return_boolean (task, TRUE);
3305 g_object_unref (task);
3309 launch_uris_bus_get_cb (GObject *object,
3310 GAsyncResult *result,
3313 GTask *task = G_TASK (user_data);
3314 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (g_task_get_source_object (task));
3315 LaunchUrisData *data = g_task_get_task_data (task);
3316 GCancellable *cancellable = g_task_get_cancellable (task);
3317 GDBusConnection *session_bus;
3318 GError *error = NULL;
3320 session_bus = g_bus_get_finish (result, NULL);
3322 if (session_bus && info->app_id)
3324 /* FIXME: The g_document_portal_add_documents() function, which is called
3325 * from the g_desktop_app_info_launch_uris_with_dbus() function, still
3326 * uses blocking calls.
3328 g_desktop_app_info_launch_uris_with_dbus (info, session_bus,
3329 data->uris, data->context,
3331 launch_uris_with_dbus_cb,
3332 g_steal_pointer (&task));
3336 /* FIXME: The D-Bus message from the notify_desktop_launch() function
3337 * can be still lost even if flush is called later. See:
3338 * https://gitlab.freedesktop.org/dbus/dbus/issues/72
3340 g_desktop_app_info_launch_uris_with_spawn (info, session_bus, info->exec,
3341 data->uris, data->context,
3342 _SPAWN_FLAGS_DEFAULT, NULL,
3343 NULL, NULL, NULL, -1, -1, -1,
3347 g_task_return_error (task, g_steal_pointer (&error));
3348 g_object_unref (task);
3351 g_dbus_connection_flush (session_bus,
3353 launch_uris_flush_cb,
3354 g_steal_pointer (&task));
3357 g_clear_object (&session_bus);
3361 g_desktop_app_info_launch_uris_async (GAppInfo *appinfo,
3363 GAppLaunchContext *context,
3364 GCancellable *cancellable,
3365 GAsyncReadyCallback callback,
3369 LaunchUrisData *data;
3371 task = g_task_new (appinfo, cancellable, callback, user_data);
3372 g_task_set_source_tag (task, g_desktop_app_info_launch_uris_async);
3374 data = g_new0 (LaunchUrisData, 1);
3375 data->uris = g_list_copy_deep (uris, (GCopyFunc) g_strdup, NULL);
3376 data->context = (context != NULL) ? g_object_ref (context) : NULL;
3377 g_task_set_task_data (task, g_steal_pointer (&data), (GDestroyNotify) launch_uris_data_free);
3379 g_bus_get (G_BUS_TYPE_SESSION, cancellable, launch_uris_bus_get_cb, task);
3383 g_desktop_app_info_launch_uris_finish (GAppInfo *appinfo,
3384 GAsyncResult *result,
3387 g_return_val_if_fail (g_task_is_valid (result, appinfo), FALSE);
3389 return g_task_propagate_boolean (G_TASK (result), error);
3393 g_desktop_app_info_supports_uris (GAppInfo *appinfo)
3395 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
3397 return info->exec &&
3398 ((strstr (info->exec, "%u") != NULL) ||
3399 (strstr (info->exec, "%U") != NULL));
3403 g_desktop_app_info_supports_files (GAppInfo *appinfo)
3405 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
3407 return info->exec &&
3408 ((strstr (info->exec, "%f") != NULL) ||
3409 (strstr (info->exec, "%F") != NULL));
3413 g_desktop_app_info_launch (GAppInfo *appinfo,
3415 GAppLaunchContext *launch_context,
3425 uri = g_file_get_uri (files->data);
3426 uris = g_list_prepend (uris, uri);
3427 files = files->next;
3430 uris = g_list_reverse (uris);
3432 res = g_desktop_app_info_launch_uris (appinfo, uris, launch_context, error);
3434 g_list_free_full (uris, g_free);
3440 * g_desktop_app_info_launch_uris_as_manager_with_fds:
3441 * @appinfo: a #GDesktopAppInfo
3442 * @uris: (element-type utf8): List of URIs
3443 * @launch_context: (nullable): a #GAppLaunchContext
3444 * @spawn_flags: #GSpawnFlags, used for each process
3445 * @user_setup: (scope async) (nullable): a #GSpawnChildSetupFunc, used once
3447 * @user_setup_data: (closure user_setup) (nullable): User data for @user_setup
3448 * @pid_callback: (scope call) (nullable): Callback for child processes
3449 * @pid_callback_data: (closure pid_callback) (nullable): User data for @callback
3450 * @stdin_fd: file descriptor to use for child's stdin, or -1
3451 * @stdout_fd: file descriptor to use for child's stdout, or -1
3452 * @stderr_fd: file descriptor to use for child's stderr, or -1
3453 * @error: return location for a #GError, or %NULL
3455 * Equivalent to g_desktop_app_info_launch_uris_as_manager() but allows
3456 * you to pass in file descriptors for the stdin, stdout and stderr streams
3457 * of the launched process.
3459 * If application launching occurs via some non-spawn mechanism (e.g. D-Bus
3460 * activation) then @stdin_fd, @stdout_fd and @stderr_fd are ignored.
3462 * Returns: %TRUE on successful launch, %FALSE otherwise.
3467 g_desktop_app_info_launch_uris_as_manager_with_fds (GDesktopAppInfo *appinfo,
3469 GAppLaunchContext *launch_context,
3470 GSpawnFlags spawn_flags,
3471 GSpawnChildSetupFunc user_setup,
3472 gpointer user_setup_data,
3473 GDesktopAppLaunchCallback pid_callback,
3474 gpointer pid_callback_data,
3480 return g_desktop_app_info_launch_uris_internal ((GAppInfo*)appinfo,
3495 * g_desktop_app_info_launch_uris_as_manager:
3496 * @appinfo: a #GDesktopAppInfo
3497 * @uris: (element-type utf8): List of URIs
3498 * @launch_context: (nullable): a #GAppLaunchContext
3499 * @spawn_flags: #GSpawnFlags, used for each process
3500 * @user_setup: (scope async) (nullable): a #GSpawnChildSetupFunc, used once
3502 * @user_setup_data: (closure user_setup) (nullable): User data for @user_setup
3503 * @pid_callback: (scope call) (nullable): Callback for child processes
3504 * @pid_callback_data: (closure pid_callback) (nullable): User data for @callback
3505 * @error: return location for a #GError, or %NULL
3507 * This function performs the equivalent of g_app_info_launch_uris(),
3508 * but is intended primarily for operating system components that
3509 * launch applications. Ordinary applications should use
3510 * g_app_info_launch_uris().
3512 * If the application is launched via GSpawn, then @spawn_flags, @user_setup
3513 * and @user_setup_data are used for the call to g_spawn_async().
3514 * Additionally, @pid_callback (with @pid_callback_data) will be called to
3515 * inform about the PID of the created process. See g_spawn_async_with_pipes()
3516 * for information on certain parameter conditions that can enable an
3517 * optimized posix_spawn() codepath to be used.
3519 * If application launching occurs via some other mechanism (eg: D-Bus
3520 * activation) then @spawn_flags, @user_setup, @user_setup_data,
3521 * @pid_callback and @pid_callback_data are ignored.
3523 * Returns: %TRUE on successful launch, %FALSE otherwise.
3526 g_desktop_app_info_launch_uris_as_manager (GDesktopAppInfo *appinfo,
3528 GAppLaunchContext *launch_context,
3529 GSpawnFlags spawn_flags,
3530 GSpawnChildSetupFunc user_setup,
3531 gpointer user_setup_data,
3532 GDesktopAppLaunchCallback pid_callback,
3533 gpointer pid_callback_data,
3536 return g_desktop_app_info_launch_uris_as_manager_with_fds (appinfo,
3548 /* OnlyShowIn API support {{{2 */
3551 * g_desktop_app_info_set_desktop_env:
3552 * @desktop_env: a string specifying what desktop this is
3554 * Sets the name of the desktop that the application is running in.
3555 * This is used by g_app_info_should_show() and
3556 * g_desktop_app_info_get_show_in() to evaluate the
3557 * `OnlyShowIn` and `NotShowIn`
3558 * desktop entry fields.
3560 * Should be called only once; subsequent calls are ignored.
3562 * Deprecated:2.42:do not use this API. Since 2.42 the value of the
3563 * `XDG_CURRENT_DESKTOP` environment variable will be used.
3566 g_desktop_app_info_set_desktop_env (const gchar *desktop_env)
3568 get_current_desktops (desktop_env);
3572 g_desktop_app_info_should_show (GAppInfo *appinfo)
3574 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
3576 if (info->nodisplay)
3579 return g_desktop_app_info_get_show_in (info, NULL);
3582 /* mime types/default apps support {{{2 */
3591 ensure_dir (DirType type,
3594 char *path, *display_name;
3600 path = g_build_filename (g_get_user_config_dir (), NULL);
3604 path = g_build_filename (g_get_user_data_dir (), "applications", NULL);
3608 path = g_build_filename (g_get_user_data_dir (), "mime", "packages", NULL);
3612 g_assert_not_reached ();
3615 g_debug ("%s: Ensuring %s", G_STRFUNC, path);
3618 if (g_mkdir_with_parents (path, 0700) == 0)
3622 display_name = g_filename_display_name (path);
3623 if (type == APP_DIR)
3624 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
3625 _("Can’t create user application configuration folder %s: %s"),
3626 display_name, g_strerror (errsv));
3628 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
3629 _("Can’t create user MIME configuration folder %s: %s"),
3630 display_name, g_strerror (errsv));
3632 g_free (display_name);
3639 update_mimeapps_list (const char *desktop_id,
3640 const char *content_type,
3641 UpdateMimeFlags flags,
3644 char *dirname, *filename, *string;
3646 gboolean load_succeeded, res;
3647 char **old_list, **list;
3648 gsize length, data_size;
3651 char **content_types;
3653 /* Don't add both at start and end */
3654 g_assert (!((flags & UPDATE_MIME_SET_DEFAULT) &&
3655 (flags & UPDATE_MIME_SET_NON_DEFAULT)));
3657 dirname = ensure_dir (CONF_DIR, error);
3661 filename = g_build_filename (dirname, "mimeapps.list", NULL);
3664 key_file = g_key_file_new ();
3665 load_succeeded = g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL);
3666 if (!load_succeeded ||
3667 (!g_key_file_has_group (key_file, ADDED_ASSOCIATIONS_GROUP) &&
3668 !g_key_file_has_group (key_file, REMOVED_ASSOCIATIONS_GROUP) &&
3669 !g_key_file_has_group (key_file, DEFAULT_APPLICATIONS_GROUP)))
3671 g_key_file_free (key_file);
3672 key_file = g_key_file_new ();
3677 content_types = g_new (char *, 2);
3678 content_types[0] = g_strdup (content_type);
3679 content_types[1] = NULL;
3683 content_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP, NULL, NULL);
3686 for (k = 0; content_types && content_types[k]; k++)
3688 /* set as default, if requested so */
3689 string = g_key_file_get_string (key_file,
3690 DEFAULT_APPLICATIONS_GROUP,
3694 if (g_strcmp0 (string, desktop_id) != 0 &&
3695 (flags & UPDATE_MIME_SET_DEFAULT))
3698 string = g_strdup (desktop_id);
3700 /* add in the non-default list too, if it's not already there */
3701 flags |= UPDATE_MIME_SET_NON_DEFAULT;
3704 if (string == NULL || desktop_id == NULL)
3705 g_key_file_remove_key (key_file,
3706 DEFAULT_APPLICATIONS_GROUP,
3710 g_key_file_set_string (key_file,
3711 DEFAULT_APPLICATIONS_GROUP,
3720 /* reuse the list from above */
3724 g_strfreev (content_types);
3725 content_types = g_key_file_get_keys (key_file, ADDED_ASSOCIATIONS_GROUP, NULL, NULL);
3728 for (k = 0; content_types && content_types[k]; k++)
3730 /* Add to the right place in the list */
3733 old_list = g_key_file_get_string_list (key_file, ADDED_ASSOCIATIONS_GROUP,
3734 content_types[k], &length, NULL);
3736 list = g_new (char *, 1 + length + 1);
3740 /* if we're adding a last-used hint, just put the application in front of the list */
3741 if (flags & UPDATE_MIME_SET_LAST_USED)
3743 /* avoid adding this again as non-default later */
3744 if (flags & UPDATE_MIME_SET_NON_DEFAULT)
3745 flags ^= UPDATE_MIME_SET_NON_DEFAULT;
3747 list[i++] = g_strdup (desktop_id);
3752 for (j = 0; old_list[j] != NULL; j++)
3754 if (g_strcmp0 (old_list[j], desktop_id) != 0)
3756 /* rewrite other entries if they're different from the new one */
3757 list[i++] = g_strdup (old_list[j]);
3759 else if (flags & UPDATE_MIME_SET_NON_DEFAULT)
3761 /* we encountered an old entry which is equal to the one we're adding as non-default,
3762 * don't change its position in the list.
3764 flags ^= UPDATE_MIME_SET_NON_DEFAULT;
3765 list[i++] = g_strdup (old_list[j]);
3770 /* add it at the end of the list */
3771 if (flags & UPDATE_MIME_SET_NON_DEFAULT)
3772 list[i++] = g_strdup (desktop_id);
3776 g_strfreev (old_list);
3778 if (list[0] == NULL || desktop_id == NULL)
3779 g_key_file_remove_key (key_file,
3780 ADDED_ASSOCIATIONS_GROUP,
3784 g_key_file_set_string_list (key_file,
3785 ADDED_ASSOCIATIONS_GROUP,
3787 (const char * const *)list, i);
3794 /* reuse the list from above */
3798 g_strfreev (content_types);
3799 content_types = g_key_file_get_keys (key_file, REMOVED_ASSOCIATIONS_GROUP, NULL, NULL);
3802 for (k = 0; content_types && content_types[k]; k++)
3804 /* Remove from removed associations group (unless remove) */
3807 old_list = g_key_file_get_string_list (key_file, REMOVED_ASSOCIATIONS_GROUP,
3808 content_types[k], &length, NULL);
3810 list = g_new (char *, 1 + length + 1);
3813 if (flags & UPDATE_MIME_REMOVE)
3814 list[i++] = g_strdup (desktop_id);
3817 for (j = 0; old_list[j] != NULL; j++)
3819 if (g_strcmp0 (old_list[j], desktop_id) != 0)
3820 list[i++] = g_strdup (old_list[j]);
3825 g_strfreev (old_list);
3827 if (list[0] == NULL || desktop_id == NULL)
3828 g_key_file_remove_key (key_file,
3829 REMOVED_ASSOCIATIONS_GROUP,
3833 g_key_file_set_string_list (key_file,
3834 REMOVED_ASSOCIATIONS_GROUP,
3836 (const char * const *)list, i);
3841 g_strfreev (content_types);
3843 data = g_key_file_to_data (key_file, &data_size, error);
3844 g_key_file_free (key_file);
3846 res = g_file_set_contents_full (filename, data, data_size,
3847 G_FILE_SET_CONTENTS_CONSISTENT | G_FILE_SET_CONTENTS_ONLY_EXISTING,
3850 desktop_file_dirs_invalidate_user_config ();
3859 g_desktop_app_info_set_as_last_used_for_type (GAppInfo *appinfo,
3860 const char *content_type,
3863 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
3865 if (!g_desktop_app_info_ensure_saved (info, error))
3868 if (!info->desktop_id)
3870 g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
3871 _("Application information lacks an identifier"));
3875 /* both add support for the content type and set as last used */
3876 return update_mimeapps_list (info->desktop_id, content_type,
3877 UPDATE_MIME_SET_NON_DEFAULT |
3878 UPDATE_MIME_SET_LAST_USED,
3883 g_desktop_app_info_set_as_default_for_type (GAppInfo *appinfo,
3884 const char *content_type,
3887 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
3889 if (!g_desktop_app_info_ensure_saved (info, error))
3892 if (!info->desktop_id)
3894 g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
3895 _("Application information lacks an identifier"));
3899 return update_mimeapps_list (info->desktop_id, content_type,
3900 UPDATE_MIME_SET_DEFAULT,
3905 update_program_done (GPid pid,
3909 /* Did the application exit correctly */
3910 if (g_spawn_check_wait_status (status, NULL))
3912 /* Here we could clean out any caches in use */
3917 run_update_command (char *command,
3926 GError *error = NULL;
3929 argv[1] = g_build_filename (g_get_user_data_dir (), subdir, NULL);
3931 if (g_spawn_async ("/", argv,
3933 G_SPAWN_SEARCH_PATH |
3934 G_SPAWN_STDOUT_TO_DEV_NULL |
3935 G_SPAWN_STDERR_TO_DEV_NULL |
3936 G_SPAWN_DO_NOT_REAP_CHILD,
3937 NULL, NULL, /* No setup function */
3940 g_child_watch_add (pid, update_program_done, NULL);
3943 /* If we get an error at this point, it's quite likely the user doesn't
3944 * have an installed copy of either 'update-mime-database' or
3945 * 'update-desktop-database'. I don't think we want to popup an error
3946 * dialog at this point, so we just do a g_warning to give the user a
3947 * chance of debugging it.
3949 g_warning ("%s", error->message);
3950 g_error_free (error);
3957 g_desktop_app_info_set_as_default_for_extension (GAppInfo *appinfo,
3958 const char *extension,
3961 char *filename, *basename, *mimetype;
3965 if (!g_desktop_app_info_ensure_saved (G_DESKTOP_APP_INFO (appinfo), error))
3968 dirname = ensure_dir (MIMETYPE_DIR, error);
3972 basename = g_strdup_printf ("user-extension-%s.xml", extension);
3973 filename = g_build_filename (dirname, basename, NULL);
3977 mimetype = g_strdup_printf ("application/x-extension-%s", extension);
3979 if (!g_file_test (filename, G_FILE_TEST_EXISTS))
3984 g_strdup_printf ("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
3985 "<mime-info xmlns=\"http://www.freedesktop.org/standards/shared-mime-info\">\n"
3986 " <mime-type type=\"%s\">\n"
3987 " <comment>%s document</comment>\n"
3988 " <glob pattern=\"*.%s\"/>\n"
3990 "</mime-info>\n", mimetype, extension, extension);
3992 g_file_set_contents_full (filename, contents, -1,
3993 G_FILE_SET_CONTENTS_CONSISTENT | G_FILE_SET_CONTENTS_ONLY_EXISTING,
3997 run_update_command ("update-mime-database", "mime");
4001 res = g_desktop_app_info_set_as_default_for_type (appinfo,
4011 g_desktop_app_info_add_supports_type (GAppInfo *appinfo,
4012 const char *content_type,
4015 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
4017 if (!g_desktop_app_info_ensure_saved (G_DESKTOP_APP_INFO (info), error))
4020 return update_mimeapps_list (info->desktop_id, content_type,
4021 UPDATE_MIME_SET_NON_DEFAULT,
4026 g_desktop_app_info_can_remove_supports_type (GAppInfo *appinfo)
4032 g_desktop_app_info_remove_supports_type (GAppInfo *appinfo,
4033 const char *content_type,
4036 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
4038 if (!g_desktop_app_info_ensure_saved (G_DESKTOP_APP_INFO (info), error))
4041 return update_mimeapps_list (info->desktop_id, content_type,
4046 static const char **
4047 g_desktop_app_info_get_supported_types (GAppInfo *appinfo)
4049 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
4051 return (const char**) info->mime_types;
4054 /* Saving and deleting {{{2 */
4057 g_desktop_app_info_ensure_saved (GDesktopAppInfo *info,
4063 char *data, *desktop_id;
4068 if (info->filename != NULL)
4071 /* This is only used for object created with
4072 * g_app_info_create_from_commandline. All other
4073 * object should have a filename
4076 dirname = ensure_dir (APP_DIR, error);
4080 key_file = g_key_file_new ();
4082 g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
4083 "Encoding", "UTF-8");
4084 g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
4085 G_KEY_FILE_DESKTOP_KEY_VERSION, "1.0");
4086 g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
4087 G_KEY_FILE_DESKTOP_KEY_TYPE,
4088 G_KEY_FILE_DESKTOP_TYPE_APPLICATION);
4090 g_key_file_set_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP,
4091 G_KEY_FILE_DESKTOP_KEY_TERMINAL, TRUE);
4092 if (info->nodisplay)
4093 g_key_file_set_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP,
4094 G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, TRUE);
4096 g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
4097 G_KEY_FILE_DESKTOP_KEY_EXEC, info->exec);
4099 g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
4100 G_KEY_FILE_DESKTOP_KEY_NAME, info->name);
4102 if (info->generic_name != NULL)
4103 g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
4104 GENERIC_NAME_KEY, info->generic_name);
4106 if (info->fullname != NULL)
4107 g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
4108 FULL_NAME_KEY, info->fullname);
4110 g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
4111 G_KEY_FILE_DESKTOP_KEY_COMMENT, info->comment);
4113 g_key_file_set_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP,
4114 G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, TRUE);
4116 data = g_key_file_to_data (key_file, &data_size, NULL);
4117 g_key_file_free (key_file);
4119 desktop_id = g_strdup_printf ("userapp-%s-XXXXXX.desktop", info->name);
4120 filename = g_build_filename (dirname, desktop_id, NULL);
4121 g_free (desktop_id);
4124 fd = g_mkstemp (filename);
4129 display_name = g_filename_display_name (filename);
4130 g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
4131 _("Can’t create user desktop file %s"), display_name);
4132 g_free (display_name);
4138 desktop_id = g_path_get_basename (filename);
4140 /* FIXME - actually handle error */
4141 (void) g_close (fd, NULL);
4143 res = g_file_set_contents_full (filename, data, data_size,
4144 G_FILE_SET_CONTENTS_CONSISTENT | G_FILE_SET_CONTENTS_ONLY_EXISTING,
4149 g_free (desktop_id);
4154 info->filename = filename;
4155 info->desktop_id = desktop_id;
4157 run_update_command ("update-desktop-database", "applications");
4159 /* We just dropped a file in the user's desktop file directory. Save
4160 * the monitor the bother of having to notice it and invalidate
4163 * This means that calls directly following this will be able to see
4164 * the results immediately.
4166 desktop_file_dirs_invalidate_user_data ();
4172 g_desktop_app_info_can_delete (GAppInfo *appinfo)
4174 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
4178 if (strstr (info->filename, "/userapp-"))
4179 return g_access (info->filename, W_OK) == 0;
4186 g_desktop_app_info_delete (GAppInfo *appinfo)
4188 GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo);
4192 if (g_remove (info->filename) == 0)
4194 update_mimeapps_list (info->desktop_id, NULL,
4198 g_free (info->filename);
4199 info->filename = NULL;
4200 g_free (info->desktop_id);
4201 info->desktop_id = NULL;
4210 /* Create for commandline {{{2 */
4212 * g_app_info_create_from_commandline:
4213 * @commandline: (type filename): the commandline to use
4214 * @application_name: (nullable): the application name, or %NULL to use @commandline
4215 * @flags: flags that can specify details of the created #GAppInfo
4216 * @error: a #GError location to store the error occurring, %NULL to ignore.
4218 * Creates a new #GAppInfo from the given information.
4220 * Note that for @commandline, the quoting rules of the Exec key of the
4221 * [freedesktop.org Desktop Entry Specification](http://freedesktop.org/Standards/desktop-entry-spec)
4222 * are applied. For example, if the @commandline contains
4223 * percent-encoded URIs, the percent-character must be doubled in order to prevent it from
4224 * being swallowed by Exec key unquoting. See the specification for exact quoting rules.
4226 * Returns: (transfer full): new #GAppInfo for given command.
4229 g_app_info_create_from_commandline (const char *commandline,
4230 const char *application_name,
4231 GAppInfoCreateFlags flags,
4236 GDesktopAppInfo *info;
4238 g_return_val_if_fail (commandline, NULL);
4240 info = g_object_new (G_TYPE_DESKTOP_APP_INFO, NULL);
4242 info->filename = NULL;
4243 info->desktop_id = NULL;
4245 info->terminal = (flags & G_APP_INFO_CREATE_NEEDS_TERMINAL) != 0;
4246 info->startup_notify = (flags & G_APP_INFO_CREATE_SUPPORTS_STARTUP_NOTIFICATION) != 0;
4247 info->hidden = FALSE;
4248 if ((flags & G_APP_INFO_CREATE_SUPPORTS_URIS) != 0)
4249 info->exec = g_strconcat (commandline, " %u", NULL);
4251 info->exec = g_strconcat (commandline, " %f", NULL);
4252 info->nodisplay = TRUE;
4253 info->binary = binary_from_exec (info->exec);
4255 if (application_name)
4256 info->name = g_strdup (application_name);
4259 /* FIXME: this should be more robust. Maybe g_shell_parse_argv and use argv[0] */
4260 split = g_strsplit (commandline, " ", 2);
4261 basename = split[0] ? g_path_get_basename (split[0]) : NULL;
4263 info->name = basename;
4264 if (info->name == NULL)
4265 info->name = g_strdup ("custom");
4267 info->comment = g_strdup_printf (_("Custom definition for %s"), info->name);
4269 return G_APP_INFO (info);
4272 /* GAppInfo interface init */
4275 g_desktop_app_info_iface_init (GAppInfoIface *iface)
4277 iface->dup = g_desktop_app_info_dup;
4278 iface->equal = g_desktop_app_info_equal;
4279 iface->get_id = g_desktop_app_info_get_id;
4280 iface->get_name = g_desktop_app_info_get_name;
4281 iface->get_description = g_desktop_app_info_get_description;
4282 iface->get_executable = g_desktop_app_info_get_executable;
4283 iface->get_icon = g_desktop_app_info_get_icon;
4284 iface->launch = g_desktop_app_info_launch;
4285 iface->supports_uris = g_desktop_app_info_supports_uris;
4286 iface->supports_files = g_desktop_app_info_supports_files;
4287 iface->launch_uris = g_desktop_app_info_launch_uris;
4288 iface->launch_uris_async = g_desktop_app_info_launch_uris_async;
4289 iface->launch_uris_finish = g_desktop_app_info_launch_uris_finish;
4290 iface->should_show = g_desktop_app_info_should_show;
4291 iface->set_as_default_for_type = g_desktop_app_info_set_as_default_for_type;
4292 iface->set_as_default_for_extension = g_desktop_app_info_set_as_default_for_extension;
4293 iface->add_supports_type = g_desktop_app_info_add_supports_type;
4294 iface->can_remove_supports_type = g_desktop_app_info_can_remove_supports_type;
4295 iface->remove_supports_type = g_desktop_app_info_remove_supports_type;
4296 iface->can_delete = g_desktop_app_info_can_delete;
4297 iface->do_delete = g_desktop_app_info_delete;
4298 iface->get_commandline = g_desktop_app_info_get_commandline;
4299 iface->get_display_name = g_desktop_app_info_get_display_name;
4300 iface->set_as_last_used_for_type = g_desktop_app_info_set_as_last_used_for_type;
4301 iface->get_supported_types = g_desktop_app_info_get_supported_types;
4304 /* Recommended applications {{{2 */
4306 /* Converts content_type into a list of itself with all of its parent
4307 * types (if include_fallback is enabled) or just returns a single-item
4308 * list with the unaliased content type.
4311 get_list_of_mimetypes (const gchar *content_type,
4312 gboolean include_fallback)
4317 array = g_ptr_array_new ();
4318 unaliased = _g_unix_content_type_unalias (content_type);
4319 g_ptr_array_add (array, unaliased);
4321 if (include_fallback)
4325 /* Iterate the array as we grow it, until we have nothing more to add */
4326 for (i = 0; i < array->len; i++)
4328 gchar **parents = _g_unix_content_type_get_parents (g_ptr_array_index (array, i));
4331 for (j = 0; parents[j]; j++)
4332 /* Don't add duplicates */
4333 if (!array_contains (array, parents[j]))
4334 g_ptr_array_add (array, parents[j]);
4336 g_free (parents[j]);
4338 /* We already stole or freed each element. Free the container. */
4343 g_ptr_array_add (array, NULL);
4345 return (gchar **) g_ptr_array_free (array, FALSE);
4349 g_desktop_app_info_get_desktop_ids_for_content_type (const gchar *content_type,
4350 gboolean include_fallback)
4352 GPtrArray *hits, *blocklist;
4356 hits = g_ptr_array_new ();
4357 blocklist = g_ptr_array_new ();
4359 types = get_list_of_mimetypes (content_type, include_fallback);
4361 desktop_file_dirs_lock ();
4363 for (i = 0; types[i]; i++)
4364 for (j = 0; j < desktop_file_dirs->len; j++)
4365 desktop_file_dir_mime_lookup (g_ptr_array_index (desktop_file_dirs, j), types[i], hits, blocklist);
4367 /* We will keep the hits past unlocking, so we must dup them */
4368 for (i = 0; i < hits->len; i++)
4369 hits->pdata[i] = g_strdup (hits->pdata[i]);
4371 desktop_file_dirs_unlock ();
4373 g_ptr_array_add (hits, NULL);
4375 g_ptr_array_free (blocklist, TRUE);
4378 return (gchar **) g_ptr_array_free (hits, FALSE);
4382 * g_app_info_get_recommended_for_type:
4383 * @content_type: the content type to find a #GAppInfo for
4385 * Gets a list of recommended #GAppInfos for a given content type, i.e.
4386 * those applications which claim to support the given content type exactly,
4387 * and not by MIME type subclassing.
4388 * Note that the first application of the list is the last used one, i.e.
4389 * the last one for which g_app_info_set_as_last_used_for_type() has been
4392 * Returns: (element-type GAppInfo) (transfer full): #GList of #GAppInfos
4393 * for given @content_type or %NULL on error.
4398 g_app_info_get_recommended_for_type (const gchar *content_type)
4400 gchar **desktop_ids;
4404 g_return_val_if_fail (content_type != NULL, NULL);
4406 desktop_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, FALSE);
4409 for (i = 0; desktop_ids[i]; i++)
4411 GDesktopAppInfo *info;
4413 info = g_desktop_app_info_new (desktop_ids[i]);
4415 infos = g_list_prepend (infos, info);
4418 g_strfreev (desktop_ids);
4420 return g_list_reverse (infos);
4424 * g_app_info_get_fallback_for_type:
4425 * @content_type: the content type to find a #GAppInfo for
4427 * Gets a list of fallback #GAppInfos for a given content type, i.e.
4428 * those applications which claim to support the given content type
4429 * by MIME type subclassing and not directly.
4431 * Returns: (element-type GAppInfo) (transfer full): #GList of #GAppInfos
4432 * for given @content_type or %NULL on error.
4437 g_app_info_get_fallback_for_type (const gchar *content_type)
4439 gchar **recommended_ids;
4444 g_return_val_if_fail (content_type != NULL, NULL);
4446 recommended_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, FALSE);
4447 all_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, TRUE);
4450 for (i = 0; all_ids[i]; i++)
4452 GDesktopAppInfo *info;
4455 /* Don't return the ones on the recommended list */
4456 for (j = 0; recommended_ids[j]; j++)
4457 if (g_str_equal (all_ids[i], recommended_ids[j]))
4460 if (recommended_ids[j])
4463 info = g_desktop_app_info_new (all_ids[i]);
4466 infos = g_list_prepend (infos, info);
4469 g_strfreev (recommended_ids);
4470 g_strfreev (all_ids);
4472 return g_list_reverse (infos);
4476 * g_app_info_get_all_for_type:
4477 * @content_type: the content type to find a #GAppInfo for
4479 * Gets a list of all #GAppInfos for a given content type,
4480 * including the recommended and fallback #GAppInfos. See
4481 * g_app_info_get_recommended_for_type() and
4482 * g_app_info_get_fallback_for_type().
4484 * Returns: (element-type GAppInfo) (transfer full): #GList of #GAppInfos
4485 * for given @content_type or %NULL on error.
4488 g_app_info_get_all_for_type (const char *content_type)
4490 gchar **desktop_ids;
4494 g_return_val_if_fail (content_type != NULL, NULL);
4496 desktop_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, TRUE);
4499 for (i = 0; desktop_ids[i]; i++)
4501 GDesktopAppInfo *info;
4503 info = g_desktop_app_info_new (desktop_ids[i]);
4505 infos = g_list_prepend (infos, info);
4508 g_strfreev (desktop_ids);
4510 return g_list_reverse (infos);
4514 * g_app_info_reset_type_associations:
4515 * @content_type: a content type
4517 * Removes all changes to the type associations done by
4518 * g_app_info_set_as_default_for_type(),
4519 * g_app_info_set_as_default_for_extension(),
4520 * g_app_info_add_supports_type() or
4521 * g_app_info_remove_supports_type().
4526 g_app_info_reset_type_associations (const char *content_type)
4528 update_mimeapps_list (NULL, content_type,
4534 * g_app_info_get_default_for_type:
4535 * @content_type: the content type to find a #GAppInfo for
4536 * @must_support_uris: if %TRUE, the #GAppInfo is expected to
4539 * Gets the default #GAppInfo for a given content type.
4541 * Returns: (transfer full) (nullable): #GAppInfo for given @content_type or
4545 g_app_info_get_default_for_type (const char *content_type,
4546 gboolean must_support_uris)
4548 GPtrArray *blocklist;
4554 g_return_val_if_fail (content_type != NULL, NULL);
4556 types = get_list_of_mimetypes (content_type, TRUE);
4558 blocklist = g_ptr_array_new ();
4559 results = g_ptr_array_new ();
4562 desktop_file_dirs_lock ();
4564 for (i = 0; types[i]; i++)
4566 /* Collect all the default apps for this type */
4567 for (j = 0; j < desktop_file_dirs->len; j++)
4568 desktop_file_dir_default_lookup (g_ptr_array_index (desktop_file_dirs, j), types[i], results);
4570 /* Consider the associations as well... */
4571 for (j = 0; j < desktop_file_dirs->len; j++)
4572 desktop_file_dir_mime_lookup (g_ptr_array_index (desktop_file_dirs, j), types[i], results, blocklist);
4574 /* (If any), see if one of those apps is installed... */
4575 for (j = 0; j < results->len; j++)
4577 const gchar *desktop_id = g_ptr_array_index (results, j);
4579 for (k = 0; k < desktop_file_dirs->len; k++)
4581 info = (GAppInfo *) desktop_file_dir_get_app (g_ptr_array_index (desktop_file_dirs, k), desktop_id);
4585 if (!must_support_uris || g_app_info_supports_uris (info))
4588 g_clear_object (&info);
4593 /* Reset the list, ready to try again with the next (parent)
4594 * mimetype, but keep the blocklist in place.
4596 g_ptr_array_set_size (results, 0);
4600 desktop_file_dirs_unlock ();
4602 g_ptr_array_unref (blocklist);
4603 g_ptr_array_unref (results);
4610 * g_app_info_get_default_for_uri_scheme:
4611 * @uri_scheme: a string containing a URI scheme.
4613 * Gets the default application for handling URIs with
4614 * the given URI scheme. A URI scheme is the initial part
4615 * of the URI, up to but not including the ':', e.g. "http",
4618 * Returns: (transfer full) (nullable): #GAppInfo for given @uri_scheme or
4622 g_app_info_get_default_for_uri_scheme (const char *uri_scheme)
4625 char *content_type, *scheme_down;
4627 scheme_down = g_ascii_strdown (uri_scheme, -1);
4628 content_type = g_strdup_printf ("x-scheme-handler/%s", scheme_down);
4629 g_free (scheme_down);
4630 app_info = g_app_info_get_default_for_type (content_type, FALSE);
4631 g_free (content_type);
4636 /* "Get all" API {{{2 */
4639 * g_desktop_app_info_get_implementations:
4640 * @interface: the name of the interface
4642 * Gets all applications that implement @interface.
4644 * An application implements an interface if that interface is listed in
4645 * the Implements= line of the desktop file of the application.
4647 * Returns: (element-type GDesktopAppInfo) (transfer full): a list of #GDesktopAppInfo
4653 g_desktop_app_info_get_implementations (const gchar *interface)
4655 GList *result = NULL;
4659 desktop_file_dirs_lock ();
4661 for (i = 0; i < desktop_file_dirs->len; i++)
4662 desktop_file_dir_get_implementations (g_ptr_array_index (desktop_file_dirs, i), &result, interface);
4664 desktop_file_dirs_unlock ();
4669 gchar *name = (*ptr)->data;
4670 GDesktopAppInfo *app;
4672 app = g_desktop_app_info_new (name);
4678 ptr = &(*ptr)->next;
4681 *ptr = g_list_delete_link (*ptr, *ptr);
4688 * g_desktop_app_info_search:
4689 * @search_string: the search string to use
4691 * Searches desktop files for ones that match @search_string.
4693 * The return value is an array of strvs. Each strv contains a list of
4694 * applications that matched @search_string with an equal score. The
4695 * outer list is sorted by score so that the first strv contains the
4696 * best-matching applications, and so on.
4697 * The algorithm for determining matches is undefined and may change at
4700 * None of the search results are subjected to the normal validation
4701 * checks performed by g_desktop_app_info_new() (for example, checking that
4702 * the executable referenced by a result exists), and so it is possible for
4703 * g_desktop_app_info_new() to return %NULL when passed an app ID returned by
4704 * this function. It is expected that calling code will do this when
4705 * subsequently creating a #GDesktopAppInfo for each result.
4707 * Returns: (array zero-terminated=1) (element-type GStrv) (transfer full): a
4708 * list of strvs. Free each item with g_strfreev() and free the outer
4709 * list with g_free().
4712 g_desktop_app_info_search (const gchar *search_string)
4714 gchar **search_tokens;
4715 gint last_category = -1;
4717 gint n_categories = 0;
4718 gint start_of_category;
4722 search_tokens = g_str_tokenize_and_fold (search_string, NULL, NULL);
4724 desktop_file_dirs_lock ();
4726 reset_total_search_results ();
4728 for (k = 0; k < desktop_file_dirs->len; k++)
4730 for (j = 0; search_tokens[j]; j++)
4732 desktop_file_dir_search (g_ptr_array_index (desktop_file_dirs, k), search_tokens[j]);
4733 merge_token_results (j == 0);
4735 merge_directory_results ();
4738 sort_total_search_results ();
4740 /* Count the total number of unique categories */
4741 for (i = 0; i < static_total_results_size; i++)
4742 if (static_total_results[i].category != last_category)
4744 last_category = static_total_results[i].category;
4748 results = g_new (gchar **, n_categories + 1);
4750 /* Start loading into the results list */
4751 start_of_category = 0;
4752 for (i = 0; i < n_categories; i++)
4754 gint n_items_in_category = 0;
4758 this_category = static_total_results[start_of_category].category;
4760 while (start_of_category + n_items_in_category < static_total_results_size &&
4761 static_total_results[start_of_category + n_items_in_category].category == this_category)
4762 n_items_in_category++;
4764 results[i] = g_new (gchar *, n_items_in_category + 1);
4765 for (j = 0; j < n_items_in_category; j++)
4766 results[i][j] = g_strdup (static_total_results[start_of_category + j].app_name);
4767 results[i][j] = NULL;
4769 start_of_category += n_items_in_category;
4773 desktop_file_dirs_unlock ();
4775 g_strfreev (search_tokens);
4781 * g_app_info_get_all:
4783 * Gets a list of all of the applications currently registered
4786 * For desktop files, this includes applications that have
4787 * `NoDisplay=true` set or are excluded from display by means
4788 * of `OnlyShowIn` or `NotShowIn`. See g_app_info_should_show().
4789 * The returned list does not include applications which have
4790 * the `Hidden` key set.
4792 * Returns: (element-type GAppInfo) (transfer full): a newly allocated #GList of references to #GAppInfos.
4795 g_app_info_get_all (void)
4798 GHashTableIter iter;
4803 apps = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
4805 desktop_file_dirs_lock ();
4807 for (i = 0; i < desktop_file_dirs->len; i++)
4808 desktop_file_dir_get_all (g_ptr_array_index (desktop_file_dirs, i), apps);
4810 desktop_file_dirs_unlock ();
4813 g_hash_table_iter_init (&iter, apps);
4814 while (g_hash_table_iter_next (&iter, NULL, &value))
4817 infos = g_list_prepend (infos, value);
4820 g_hash_table_destroy (apps);
4825 /* GDesktopAppInfoLookup interface {{{2 */
4828 * GDesktopAppInfoLookup:
4830 * #GDesktopAppInfoLookup is an opaque data structure and can only be accessed
4831 * using the following functions.
4833 * Deprecated: 2.28: The #GDesktopAppInfoLookup interface is deprecated and
4837 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
4839 typedef GDesktopAppInfoLookupIface GDesktopAppInfoLookupInterface;
4840 G_DEFINE_INTERFACE (GDesktopAppInfoLookup, g_desktop_app_info_lookup, G_TYPE_OBJECT)
4843 g_desktop_app_info_lookup_default_init (GDesktopAppInfoLookupInterface *iface)
4847 /* "Get for mime type" APIs {{{2 */
4850 * g_desktop_app_info_lookup_get_default_for_uri_scheme:
4851 * @lookup: a #GDesktopAppInfoLookup
4852 * @uri_scheme: a string containing a URI scheme.
4854 * Gets the default application for launching applications
4855 * using this URI scheme for a particular #GDesktopAppInfoLookup
4858 * The #GDesktopAppInfoLookup interface and this function is used
4859 * to implement g_app_info_get_default_for_uri_scheme() backends
4860 * in a GIO module. There is no reason for applications to use it
4861 * directly. Applications should use g_app_info_get_default_for_uri_scheme().
4863 * Returns: (transfer full) (nullable): #GAppInfo for given @uri_scheme or
4866 * Deprecated: 2.28: The #GDesktopAppInfoLookup interface is deprecated and
4870 g_desktop_app_info_lookup_get_default_for_uri_scheme (GDesktopAppInfoLookup *lookup,
4871 const char *uri_scheme)
4873 GDesktopAppInfoLookupIface *iface;
4875 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO_LOOKUP (lookup), NULL);
4877 iface = G_DESKTOP_APP_INFO_LOOKUP_GET_IFACE (lookup);
4879 return (* iface->get_default_for_uri_scheme) (lookup, uri_scheme);
4882 G_GNUC_END_IGNORE_DEPRECATIONS
4884 /* Misc getter APIs {{{2 */
4887 * g_desktop_app_info_get_startup_wm_class:
4888 * @info: a #GDesktopAppInfo that supports startup notify
4890 * Retrieves the StartupWMClass field from @info. This represents the
4891 * WM_CLASS property of the main window of the application, if launched
4894 * Returns: (nullable) (transfer none): the startup WM class, or %NULL if none is set
4895 * in the desktop file.
4900 g_desktop_app_info_get_startup_wm_class (GDesktopAppInfo *info)
4902 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL);
4904 return info->startup_wm_class;
4908 * g_desktop_app_info_get_string:
4909 * @info: a #GDesktopAppInfo
4910 * @key: the key to look up
4912 * Looks up a string value in the keyfile backing @info.
4914 * The @key is looked up in the "Desktop Entry" group.
4916 * Returns: (nullable): a newly allocated string, or %NULL if the key
4922 g_desktop_app_info_get_string (GDesktopAppInfo *info,
4925 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL);
4927 return g_key_file_get_string (info->keyfile,
4928 G_KEY_FILE_DESKTOP_GROUP, key, NULL);
4932 * g_desktop_app_info_get_locale_string:
4933 * @info: a #GDesktopAppInfo
4934 * @key: the key to look up
4936 * Looks up a localized string value in the keyfile backing @info
4937 * translated to the current locale.
4939 * The @key is looked up in the "Desktop Entry" group.
4941 * Returns: (nullable): a newly allocated string, or %NULL if the key
4947 g_desktop_app_info_get_locale_string (GDesktopAppInfo *info,
4950 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL);
4951 g_return_val_if_fail (key != NULL && *key != '\0', NULL);
4953 return g_key_file_get_locale_string (info->keyfile,
4954 G_KEY_FILE_DESKTOP_GROUP,
4959 * g_desktop_app_info_get_boolean:
4960 * @info: a #GDesktopAppInfo
4961 * @key: the key to look up
4963 * Looks up a boolean value in the keyfile backing @info.
4965 * The @key is looked up in the "Desktop Entry" group.
4967 * Returns: the boolean value, or %FALSE if the key
4973 g_desktop_app_info_get_boolean (GDesktopAppInfo *info,
4976 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), FALSE);
4978 return g_key_file_get_boolean (info->keyfile,
4979 G_KEY_FILE_DESKTOP_GROUP, key, NULL);
4983 * g_desktop_app_info_get_string_list:
4984 * @info: a #GDesktopAppInfo
4985 * @key: the key to look up
4986 * @length: (out) (optional): return location for the number of returned strings, or %NULL
4988 * Looks up a string list value in the keyfile backing @info.
4990 * The @key is looked up in the "Desktop Entry" group.
4992 * Returns: (array zero-terminated=1 length=length) (element-type utf8) (transfer full):
4993 * a %NULL-terminated string array or %NULL if the specified
4994 * key cannot be found. The array should be freed with g_strfreev().
4999 g_desktop_app_info_get_string_list (GDesktopAppInfo *info,
5003 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL);
5005 return g_key_file_get_string_list (info->keyfile,
5006 G_KEY_FILE_DESKTOP_GROUP, key, length, NULL);
5010 * g_desktop_app_info_has_key:
5011 * @info: a #GDesktopAppInfo
5012 * @key: the key to look up
5014 * Returns whether @key exists in the "Desktop Entry" group
5015 * of the keyfile backing @info.
5017 * Returns: %TRUE if the @key exists
5022 g_desktop_app_info_has_key (GDesktopAppInfo *info,
5025 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), FALSE);
5027 return g_key_file_has_key (info->keyfile,
5028 G_KEY_FILE_DESKTOP_GROUP, key, NULL);
5031 /* Desktop actions support {{{2 */
5034 * g_desktop_app_info_list_actions:
5035 * @info: a #GDesktopAppInfo
5037 * Returns the list of "additional application actions" supported on the
5038 * desktop file, as per the desktop file specification.
5040 * As per the specification, this is the list of actions that are
5041 * explicitly listed in the "Actions" key of the [Desktop Entry] group.
5043 * Returns: (array zero-terminated=1) (element-type utf8) (transfer none): a list of strings, always non-%NULL
5047 const gchar * const *
5048 g_desktop_app_info_list_actions (GDesktopAppInfo *info)
5050 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL);
5052 return (const gchar **) info->actions;
5056 app_info_has_action (GDesktopAppInfo *info,
5057 const gchar *action_name)
5061 for (i = 0; info->actions[i]; i++)
5062 if (g_str_equal (info->actions[i], action_name))
5069 * g_desktop_app_info_get_action_name:
5070 * @info: a #GDesktopAppInfo
5071 * @action_name: the name of the action as from
5072 * g_desktop_app_info_list_actions()
5074 * Gets the user-visible display name of the "additional application
5075 * action" specified by @action_name.
5077 * This corresponds to the "Name" key within the keyfile group for the
5080 * Returns: (transfer full): the locale-specific action name
5085 g_desktop_app_info_get_action_name (GDesktopAppInfo *info,
5086 const gchar *action_name)
5091 g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL);
5092 g_return_val_if_fail (action_name != NULL, NULL);
5093 g_return_val_if_fail (app_info_has_action (info, action_name), NULL);
5095 group_name = g_strdup_printf ("Desktop Action %s", action_name);
5096 result = g_key_file_get_locale_string (info->keyfile, group_name, "Name", NULL, NULL);
5097 g_free (group_name);
5099 /* The spec says that the Name field must be given.
5101 * If it's not, let's follow the behaviour of our get_name()
5102 * implementation above and never return %NULL.
5105 result = g_strdup (_("Unnamed"));
5111 * g_desktop_app_info_launch_action:
5112 * @info: a #GDesktopAppInfo
5113 * @action_name: the name of the action as from
5114 * g_desktop_app_info_list_actions()
5115 * @launch_context: (nullable): a #GAppLaunchContext
5117 * Activates the named application action.
5119 * You may only call this function on action names that were
5120 * returned from g_desktop_app_info_list_actions().
5122 * Note that if the main entry of the desktop file indicates that the
5123 * application supports startup notification, and @launch_context is
5124 * non-%NULL, then startup notification will be used when activating the
5125 * action (and as such, invocation of the action on the receiving side
5126 * must signal the end of startup notification when it is completed).
5127 * This is the expected behaviour of applications declaring additional
5128 * actions, as per the desktop file specification.
5130 * As with g_app_info_launch() there is no way to detect failures that
5131 * occur while using this function.
5136 g_desktop_app_info_launch_action (GDesktopAppInfo *info,
5137 const gchar *action_name,
5138 GAppLaunchContext *launch_context)
5140 GDBusConnection *session_bus;
5142 g_return_if_fail (G_IS_DESKTOP_APP_INFO (info));
5143 g_return_if_fail (action_name != NULL);
5144 g_return_if_fail (app_info_has_action (info, action_name));
5146 session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
5148 if (session_bus && info->app_id)
5152 object_path = object_path_from_appid (info->app_id);
5153 g_dbus_connection_call (session_bus, info->app_id, object_path,
5154 "org.freedesktop.Application", "ActivateAction",
5155 g_variant_new ("(sav@a{sv})", action_name, NULL,
5156 g_desktop_app_info_make_platform_data (info, NULL, launch_context)),
5157 NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
5158 g_free (object_path);
5165 group_name = g_strdup_printf ("Desktop Action %s", action_name);
5166 exec_line = g_key_file_get_string (info->keyfile, group_name, "Exec", NULL);
5167 g_free (group_name);
5170 g_desktop_app_info_launch_uris_with_spawn (info, session_bus, exec_line, NULL, launch_context,
5171 _SPAWN_FLAGS_DEFAULT, NULL, NULL, NULL, NULL,
5177 if (session_bus != NULL)
5179 g_dbus_connection_flush (session_bus, NULL, NULL, NULL);
5180 g_object_unref (session_bus);
5185 /* vim:set foldmethod=marker: */