};
static void g_desktop_app_info_iface_init (GAppInfoIface *iface);
-static GList * get_all_desktop_entries_for_mime_type (const char *base_mime_type,
- const char **except,
- gboolean include_fallback,
- char **explicit_default);
-static void mime_info_cache_reload (const char *dir);
static gboolean g_desktop_app_info_ensure_saved (GDesktopAppInfo *info,
GError **error);
G_DEFINE_TYPE_WITH_CODE (GDesktopAppInfo, g_desktop_app_info, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_APP_INFO, g_desktop_app_info_iface_init))
-G_LOCK_DEFINE_STATIC (g_desktop_env);
-static gchar *g_desktop_env = NULL;
-
/* DesktopFileDir implementation {{{1 */
typedef struct
{
gchar *path;
+ gchar *alternatively_watching;
+ gboolean is_config;
+ gboolean is_setup;
GLocalDirectoryMonitor *monitor;
GHashTable *app_names;
- gboolean is_setup;
+ GHashTable *mime_tweaks;
GHashTable *memory_index;
+ GHashTable *memory_implementations;
} DesktopFileDir;
static DesktopFileDir *desktop_file_dirs;
static guint n_desktop_file_dirs;
+static const guint desktop_file_dir_user_config_index = 0;
+static guint desktop_file_dir_user_data_index;
static GMutex desktop_file_dir_lock;
/* Monitor 'changed' signal handler {{{2 */
static void desktop_file_dir_reset (DesktopFileDir *dir);
+/*< internal >
+ * desktop_file_dir_get_alternative_dir:
+ * @dir: a #DesktopFileDir
+ *
+ * Gets the "alternative" directory to monitor in case the path
+ * doesn't exist.
+ *
+ * If the path exists this will return NULL, otherwise it will return a
+ * parent directory of the path.
+ *
+ * This is used to avoid inotify on a non-existent directory (which
+ * results in polling).
+ *
+ * See https://bugzilla.gnome.org/show_bug.cgi?id=522314 for more info.
+ */
+static gchar *
+desktop_file_dir_get_alternative_dir (DesktopFileDir *dir)
+{
+ gchar *parent;
+
+ /* If the directory itself exists then we need no alternative. */
+ if (g_access (dir->path, R_OK | X_OK) == 0)
+ return NULL;
+
+ /* Otherwise, try the parent directories until we find one. */
+ parent = g_path_get_dirname (dir->path);
+
+ while (g_access (parent, R_OK | X_OK) != 0)
+ {
+ gchar *tmp = parent;
+
+ parent = g_path_get_dirname (tmp);
+
+ /* If somehow we get to '/' or '.' then just stop... */
+ if (g_str_equal (parent, tmp))
+ {
+ g_free (tmp);
+ break;
+ }
+
+ g_free (tmp);
+ }
+
+ return parent;
+}
+
static void
desktop_file_dir_changed (GFileMonitor *monitor,
GFile *file,
gpointer user_data)
{
DesktopFileDir *dir = user_data;
+ gboolean do_nothing = FALSE;
/* We are not interested in receiving notifications forever just
* because someone asked about one desktop file once.
* After we receive the first notification, reset the dir, destroying
* the monitor. We will take this as a hint, next time that we are
* asked, that we need to check if everything is up to date.
+ *
+ * If this is a notification for a parent directory (because the
+ * desktop directory didn't exist) then we shouldn't fire the signal
+ * unless something actually changed.
*/
g_mutex_lock (&desktop_file_dir_lock);
- desktop_file_dir_reset (dir);
+ if (dir->alternatively_watching)
+ {
+ gchar *alternative_dir;
+
+ alternative_dir = desktop_file_dir_get_alternative_dir (dir);
+ do_nothing = alternative_dir && g_str_equal (dir->alternatively_watching, alternative_dir);
+ g_free (alternative_dir);
+ }
+
+ if (!do_nothing)
+ desktop_file_dir_reset (dir);
g_mutex_unlock (&desktop_file_dir_lock);
/* Notify anyone else who may be interested */
- g_app_info_monitor_fire ();
+ if (!do_nothing)
+ g_app_info_monitor_fire ();
}
/* Internal utility functions {{{2 */
return FALSE;
}
+static const gchar * const *
+get_lowercase_current_desktops (void)
+{
+ static gchar **result;
+
+ if (g_once_init_enter (&result))
+ {
+ const gchar *envvar;
+ gchar **tmp;
+
+ envvar = g_getenv ("XDG_CURRENT_DESKTOP");
+
+ if (envvar)
+ {
+ gint i, j;
+
+ tmp = g_strsplit (envvar, G_SEARCHPATH_SEPARATOR_S, 0);
+
+ for (i = 0; tmp[i]; i++)
+ for (j = 0; tmp[i][j]; j++)
+ tmp[i][j] = g_ascii_tolower (tmp[i][j]);
+ }
+ else
+ tmp = g_new0 (gchar *, 0 + 1);
+
+ g_once_init_leave (&result, tmp);
+ }
+
+ return (const gchar **) result;
+}
+
+static const gchar * const *
+get_current_desktops (const gchar *value)
+{
+ static gchar **result;
+
+ if (g_once_init_enter (&result))
+ {
+ gchar **tmp;
+
+ if (!value)
+ value = g_getenv ("XDG_CURRENT_DESKTOP");
+
+ if (!value)
+ value = "";
+
+ tmp = g_strsplit (value, ":", 0);
+
+ g_once_init_leave (&result, tmp);
+ }
+
+ return (const gchar **) result;
+}
+
/*< internal >
* add_to_table_if_appropriate:
* @apps: a string to GDesktopAppInfo hash table
case DESKTOP_KEY_Exec:
return "Exec";
case DESKTOP_KEY_GenericName:
- return "GenericName";
+ return GENERIC_NAME_KEY;
case DESKTOP_KEY_Keywords:
- return "Keywords";
+ return KEYWORDS_KEY;
case DESKTOP_KEY_Name:
return "Name";
case DESKTOP_KEY_X_GNOME_FullName:
- return "X-GNOME-FullName";
+ return FULL_NAME_KEY;
default:
g_assert_not_reached ();
}
static_search_results_size = 0;
}
-
/* Support for unindexed DesktopFileDirs {{{2 */
static void
get_apps_from_dir (GHashTable **apps,
g_dir_close (dir);
}
+typedef struct
+{
+ gchar **additions;
+ gchar **removals;
+ gchar **defaults;
+} UnindexedMimeTweaks;
+
+static void
+free_mime_tweaks (gpointer data)
+{
+ UnindexedMimeTweaks *tweaks = data;
+
+ g_strfreev (tweaks->additions);
+ g_strfreev (tweaks->removals);
+ g_strfreev (tweaks->defaults);
+
+ g_slice_free (UnindexedMimeTweaks, tweaks);
+}
+
+static UnindexedMimeTweaks *
+desktop_file_dir_unindexed_get_tweaks (DesktopFileDir *dir,
+ const gchar *mime_type)
+{
+ UnindexedMimeTweaks *tweaks;
+ gchar *unaliased_type;
+
+ unaliased_type = _g_unix_content_type_unalias (mime_type);
+ tweaks = g_hash_table_lookup (dir->mime_tweaks, unaliased_type);
+
+ if (tweaks == NULL)
+ {
+ tweaks = g_slice_new0 (UnindexedMimeTweaks);
+ g_hash_table_insert (dir->mime_tweaks, unaliased_type, tweaks);
+ }
+ else
+ g_free (unaliased_type);
+
+ return tweaks;
+}
+
+/* consumes 'to_add' */
+static void
+expand_strv (gchar ***strv_ptr,
+ gchar **to_add,
+ gchar * const *blacklist)
+{
+ guint strv_len, add_len;
+ gchar **strv;
+ guint i, j;
+
+ if (!*strv_ptr)
+ {
+ *strv_ptr = to_add;
+ return;
+ }
+
+ strv = *strv_ptr;
+ strv_len = g_strv_length (strv);
+ add_len = g_strv_length (to_add);
+ strv = g_renew (gchar *, strv, strv_len + add_len + 1);
+
+ for (i = 0; to_add[i]; i++)
+ {
+ /* Don't add blacklisted strings */
+ if (blacklist)
+ for (j = 0; blacklist[j]; j++)
+ if (g_str_equal (to_add[i], blacklist[j]))
+ goto no_add;
+
+ /* Don't add duplicates already in the list */
+ for (j = 0; j < strv_len; j++)
+ if (g_str_equal (to_add[i], strv[j]))
+ goto no_add;
+
+ strv[strv_len++] = to_add[i];
+ continue;
+
+no_add:
+ g_free (to_add[i]);
+ }
+
+ strv[strv_len] = NULL;
+ *strv_ptr = strv;
+
+ g_free (to_add);
+}
+
+static void
+desktop_file_dir_unindexed_read_mimeapps_list (DesktopFileDir *dir,
+ const gchar *filename,
+ const gchar *added_group,
+ gboolean tweaks_permitted)
+{
+ UnindexedMimeTweaks *tweaks;
+ char **desktop_file_ids;
+ GKeyFile *key_file;
+ gchar **mime_types;
+ int i;
+
+ key_file = g_key_file_new ();
+ if (!g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL))
+ {
+ g_key_file_free (key_file);
+ return;
+ }
+
+ mime_types = g_key_file_get_keys (key_file, added_group, NULL, NULL);
+
+ if G_UNLIKELY (mime_types != NULL && !tweaks_permitted)
+ {
+ g_warning ("%s contains a [%s] group, but it is not permitted here. Only the non-desktop-specific "
+ "mimeapps.list file may add or remove associations.", filename, added_group);
+ g_strfreev (mime_types);
+ mime_types = NULL;
+ }
+
+ if (mime_types != NULL)
+ {
+ for (i = 0; mime_types[i] != NULL; i++)
+ {
+ desktop_file_ids = g_key_file_get_string_list (key_file, added_group, mime_types[i], NULL, NULL);
+
+ if (desktop_file_ids)
+ {
+ tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
+ expand_strv (&tweaks->additions, desktop_file_ids, tweaks->removals);
+ }
+ }
+
+ g_strfreev (mime_types);
+ }
+
+ mime_types = g_key_file_get_keys (key_file, REMOVED_ASSOCIATIONS_GROUP, NULL, NULL);
+
+ if G_UNLIKELY (mime_types != NULL && !tweaks_permitted)
+ {
+ g_warning ("%s contains a [%s] group, but it is not permitted here. Only the non-desktop-specific "
+ "mimeapps.list file may add or remove associations.", filename, REMOVED_ASSOCIATIONS_GROUP);
+ g_strfreev (mime_types);
+ mime_types = NULL;
+ }
+
+ if (mime_types != NULL)
+ {
+ for (i = 0; mime_types[i] != NULL; i++)
+ {
+ desktop_file_ids = g_key_file_get_string_list (key_file, REMOVED_ASSOCIATIONS_GROUP, mime_types[i], NULL, NULL);
+
+ if (desktop_file_ids)
+ {
+ tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
+ expand_strv (&tweaks->removals, desktop_file_ids, tweaks->additions);
+ }
+ }
+
+ g_strfreev (mime_types);
+ }
+
+ mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP, NULL, NULL);
+
+ if (mime_types != NULL)
+ {
+ for (i = 0; mime_types[i] != NULL; i++)
+ {
+ desktop_file_ids = g_key_file_get_string_list (key_file, DEFAULT_APPLICATIONS_GROUP, mime_types[i], NULL, NULL);
+
+ if (desktop_file_ids)
+ {
+ tweaks = desktop_file_dir_unindexed_get_tweaks (dir, mime_types[i]);
+ expand_strv (&tweaks->defaults, desktop_file_ids, NULL);
+ }
+ }
+
+ g_strfreev (mime_types);
+ }
+
+ g_key_file_free (key_file);
+}
+
+static void
+desktop_file_dir_unindexed_read_mimeapps_lists (DesktopFileDir *dir)
+{
+ const gchar * const *desktops;
+ gchar *filename;
+ gint i;
+
+ dir->mime_tweaks = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, free_mime_tweaks);
+
+ /* We process in order of precedence, using a blacklisting approach to
+ * avoid recording later instructions that conflict with ones we found
+ * earlier.
+ *
+ * We first start with the XDG_CURRENT_DESKTOP files, in precedence
+ * order.
+ */
+ desktops = get_lowercase_current_desktops ();
+ for (i = 0; desktops[i]; i++)
+ {
+ filename = g_strdup_printf ("%s/%s-mimeapps.list", dir->path, desktops[i]);
+ desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, FALSE);
+ g_free (filename);
+ }
+
+ /* Next, the non-desktop-specific mimeapps.list */
+ filename = g_strdup_printf ("%s/mimeapps.list", dir->path);
+ desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, TRUE);
+ g_free (filename);
+
+ /* The remaining files are only checked for in directories that might
+ * contain desktop files (ie: not the config dirs).
+ */
+ if (dir->is_config)
+ return;
+
+ /* We have 'defaults.list' which was only ever understood by GLib. It
+ * exists widely, but it has never been part of any spec and it should
+ * be treated as deprecated. This will be removed in a future
+ * version.
+ */
+ filename = g_strdup_printf ("%s/defaults.list", dir->path);
+ desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, ADDED_ASSOCIATIONS_GROUP, FALSE);
+ g_free (filename);
+
+ /* Finally, the mimeinfo.cache, which is just a cached copy of what we
+ * would find in the MimeTypes= lines of all of the desktop files.
+ */
+ filename = g_strdup_printf ("%s/mimeinfo.cache", dir->path);
+ desktop_file_dir_unindexed_read_mimeapps_list (dir, filename, MIME_CACHE_GROUP, TRUE);
+ g_free (filename);
+}
+
static void
desktop_file_dir_unindexed_init (DesktopFileDir *dir)
{
- get_apps_from_dir (&dir->app_names, dir->path, "");
+ if (!dir->is_config)
+ get_apps_from_dir (&dir->app_names, dir->path, "");
+
+ desktop_file_dir_unindexed_read_mimeapps_lists (dir);
}
static GDesktopAppInfo *
gpointer app, path;
dir->memory_index = memory_index_new ();
+ dir->memory_implementations = memory_index_new ();
/* Nothing to search? */
if (dir->app_names == NULL)
!g_key_file_get_boolean (key_file, "Desktop Entry", "Hidden", NULL))
{
/* Index the interesting keys... */
+ gchar **implements;
gint i;
for (i = 0; i < G_N_ELEMENTS (desktop_key_match_category); i++)
g_free (raw);
}
+
+ /* Make note of the Implements= line */
+ implements = g_key_file_get_string_list (key_file, "Desktop Entry", "Implements", NULL, NULL);
+ for (i = 0; implements && implements[i]; i++)
+ memory_index_add_token (dir->memory_implementations, implements[i], 0, app);
+ g_strfreev (implements);
}
g_key_file_free (key_file);
}
}
+static gboolean
+array_contains (GPtrArray *array,
+ const gchar *str)
+{
+ gint i;
+
+ for (i = 0; i < array->len; i++)
+ if (g_str_equal (array->pdata[i], str))
+ return TRUE;
+
+ return FALSE;
+}
+
+static void
+desktop_file_dir_unindexed_mime_lookup (DesktopFileDir *dir,
+ const gchar *mime_type,
+ GPtrArray *hits,
+ GPtrArray *blacklist)
+{
+ UnindexedMimeTweaks *tweaks;
+ gint i;
+
+ tweaks = g_hash_table_lookup (dir->mime_tweaks, mime_type);
+
+ if (!tweaks)
+ return;
+
+ if (tweaks->additions)
+ {
+ for (i = 0; tweaks->additions[i]; i++)
+ {
+ gchar *app_name = tweaks->additions[i];
+
+ if (!desktop_file_dir_app_name_is_masked (dir, app_name) &&
+ !array_contains (blacklist, app_name) && !array_contains (hits, app_name))
+ g_ptr_array_add (hits, g_strdup (app_name));
+ }
+ }
+
+ if (tweaks->removals)
+ {
+ for (i = 0; tweaks->removals[i]; i++)
+ {
+ gchar *app_name = tweaks->removals[i];
+
+ if (!desktop_file_dir_app_name_is_masked (dir, app_name) &&
+ !array_contains (blacklist, app_name) && !array_contains (hits, app_name))
+ g_ptr_array_add (blacklist, app_name);
+ }
+ }
+}
+
+static void
+desktop_file_dir_unindexed_default_lookup (DesktopFileDir *dir,
+ const gchar *mime_type,
+ GPtrArray *results)
+{
+ UnindexedMimeTweaks *tweaks;
+ gint i;
+
+ tweaks = g_hash_table_lookup (dir->mime_tweaks, mime_type);
+
+ if (!tweaks || !tweaks->defaults)
+ return;
+
+ for (i = 0; tweaks->defaults[i]; i++)
+ {
+ gchar *app_name = tweaks->defaults[i];
+
+ if (!array_contains (results, app_name))
+ g_ptr_array_add (results, g_strdup (app_name));
+ }
+}
+
+static void
+desktop_file_dir_unindexed_get_implementations (DesktopFileDir *dir,
+ GList **results,
+ const gchar *interface)
+{
+ MemoryIndexEntry *mie;
+
+ if (!dir->memory_index)
+ desktop_file_dir_unindexed_setup_search (dir);
+
+ for (mie = g_hash_table_lookup (dir->memory_implementations, interface); mie; mie = mie->next)
+ *results = g_list_prepend (*results, g_strdup (mie->app_name));
+}
+
/* DesktopFileDir "API" {{{2 */
/*< internal >
}
/*< internal >
+ * desktop_file_dir_create:
+ * @array: the #GArray to add a new item to
+ * @config_dir: an XDG_CONFIG_DIR
+ *
+ * Just the same as desktop_file_dir_create() except that it does not
+ * add the "applications" directory. It also marks the directory as
+ * config-only, which prevents us from attempting to find desktop files
+ * here.
+ */
+static void
+desktop_file_dir_create_for_config (GArray *array,
+ const gchar *config_dir)
+{
+ DesktopFileDir dir = { 0, };
+
+ dir.path = g_strdup (config_dir);
+ dir.is_config = TRUE;
+
+ g_array_append_val (array, dir);
+}
+
+/*< internal >
* desktop_file_dir_reset:
* @dir: a #DesktopFileDir
*
static void
desktop_file_dir_reset (DesktopFileDir *dir)
{
+ if (dir->alternatively_watching)
+ {
+ g_free (dir->alternatively_watching);
+ dir->alternatively_watching = NULL;
+ }
+
if (dir->monitor)
{
g_signal_handlers_disconnect_by_func (dir->monitor, desktop_file_dir_changed, dir);
dir->memory_index = NULL;
}
+ if (dir->mime_tweaks)
+ {
+ g_hash_table_unref (dir->mime_tweaks);
+ dir->mime_tweaks = NULL;
+ }
+
+ if (dir->memory_implementations)
+ {
+ g_hash_table_unref (dir->memory_implementations);
+ dir->memory_implementations = NULL;
+ }
+
dir->is_setup = FALSE;
}
static void
desktop_file_dir_init (DesktopFileDir *dir)
{
+ const gchar *watch_dir;
+
g_assert (!dir->is_setup);
+ g_assert (!dir->alternatively_watching);
g_assert (!dir->monitor);
- dir->monitor = g_local_directory_monitor_new_in_worker (dir->path, G_FILE_MONITOR_NONE, NULL);
+
+ dir->alternatively_watching = desktop_file_dir_get_alternative_dir (dir);
+ watch_dir = dir->alternatively_watching ? dir->alternatively_watching : dir->path;
+
+ /* There is a very thin race here if the watch_dir has been _removed_
+ * between when we checked for it and when we establish the watch.
+ * Removes probably don't happen in usual operation, and even if it
+ * does (and we catch the unlikely race), the only degradation is that
+ * we will fall back to polling.
+ */
+ dir->monitor = g_local_directory_monitor_new_in_worker (watch_dir, G_FILE_MONITOR_NONE, NULL);
if (dir->monitor)
{
}
/*< internal >
- * desktop_file_dir_search:
- * @dir: a #DesktopFilEDir
- * @term: a normalised and casefolded search term
+ * desktop_file_dir_mime_lookup:
+ * @dir: a #DesktopFileDir
+ * @mime_type: the mime type to look up
+ * @hits: the array to store the hits
+ * @blacklist: the array to store the blacklist
+ *
+ * Does a lookup of a mimetype against one desktop file directory,
+ * recording any hits and blacklisting and "Removed" associations (so
+ * later directories don't record them as hits).
+ *
+ * The items added to @hits are duplicated, but the ones in @blacklist
+ * are weak pointers. This facilitates simply freeing the blacklist
+ * (which is only used for internal bookkeeping) but using the pdata of
+ * @hits as the result of the operation.
+ */
+static void
+desktop_file_dir_mime_lookup (DesktopFileDir *dir,
+ const gchar *mime_type,
+ GPtrArray *hits,
+ GPtrArray *blacklist)
+{
+ desktop_file_dir_unindexed_mime_lookup (dir, mime_type, hits, blacklist);
+}
+
+/*< internal >
+ * desktop_file_dir_default_lookup:
+ * @dir: a #DesktopFileDir
+ * @mime_type: the mime type to look up
+ * @results: an array to store the results in
+ *
+ * Collects the "default" applications for a given mime type from @dir.
+ */
+static void
+desktop_file_dir_default_lookup (DesktopFileDir *dir,
+ const gchar *mime_type,
+ GPtrArray *results)
+{
+ desktop_file_dir_unindexed_default_lookup (dir, mime_type, results);
+}
+
+/*< internal >
+ * desktop_file_dir_search:
+ * @dir: a #DesktopFileDir
+ * @term: a normalised and casefolded search term
*
* Finds the names of applications in @dir that match @term.
*/
desktop_file_dir_unindexed_search (dir, search_token);
}
+static void
+desktop_file_dir_get_implementations (DesktopFileDir *dir,
+ GList **results,
+ const gchar *interface)
+{
+ desktop_file_dir_unindexed_get_implementations (dir, results, interface);
+}
+
/* Lock/unlock and global setup API {{{2 */
static void
if (desktop_file_dirs == NULL)
{
- const char * const *data_dirs;
+ const char * const *dirs;
GArray *tmp;
gint i;
tmp = g_array_new (FALSE, FALSE, sizeof (DesktopFileDir));
- /* Highest priority: the user's ~/.local/share/applications */
+ /* First, the configs. Highest priority: the user's ~/.config */
+ desktop_file_dir_create_for_config (tmp, g_get_user_config_dir ());
+
+ /* Next, the system configs (/etc/xdg, and so on). */
+ dirs = g_get_system_config_dirs ();
+ for (i = 0; dirs[i]; i++)
+ desktop_file_dir_create_for_config (tmp, dirs[i]);
+
+ /* Now the data. Highest priority: the user's ~/.local/share/applications */
+ desktop_file_dir_user_data_index = tmp->len;
desktop_file_dir_create (tmp, g_get_user_data_dir ());
/* Following that, XDG_DATA_DIRS/applications, in order */
- data_dirs = g_get_system_data_dirs ();
- for (i = 0; data_dirs[i]; i++)
- desktop_file_dir_create (tmp, data_dirs[i]);
+ dirs = g_get_system_data_dirs ();
+ for (i = 0; dirs[i]; i++)
+ desktop_file_dir_create (tmp, dirs[i]);
+ /* The list of directories will never change after this. */
desktop_file_dirs = (DesktopFileDir *) tmp->data;
n_desktop_file_dirs = tmp->len;
}
static void
-desktop_file_dirs_refresh (void)
+desktop_file_dirs_invalidate_user_config (void)
{
- desktop_file_dirs_lock ();
- desktop_file_dirs_unlock ();
+ g_mutex_lock (&desktop_file_dir_lock);
+
+ if (n_desktop_file_dirs)
+ desktop_file_dir_reset (&desktop_file_dirs[desktop_file_dir_user_config_index]);
+
+ g_mutex_unlock (&desktop_file_dir_lock);
}
static void
-desktop_file_dirs_invalidate_user (void)
+desktop_file_dirs_invalidate_user_data (void)
{
g_mutex_lock (&desktop_file_dir_lock);
if (n_desktop_file_dirs)
- desktop_file_dir_reset (&desktop_file_dirs[0]);
+ desktop_file_dir_reset (&desktop_file_dirs[desktop_file_dir_user_data_index]);
g_mutex_unlock (&desktop_file_dir_lock);
}
/**
* g_desktop_app_info_get_show_in:
* @info: a #GDesktopAppInfo
- * @desktop_env: a string specifying a desktop name
+ * @desktop_env: (nullable): a string specifying a desktop name
*
* Checks if the application info should be shown in menus that list available
* applications for a specific name of the desktop, based on the
* `OnlyShowIn` and `NotShowIn` keys.
*
- * If @desktop_env is %NULL, then the name of the desktop set with
- * g_desktop_app_info_set_desktop_env() is used.
+ * @desktop_env should typically be given as %NULL, in which case the
+ * `XDG_CURRENT_DESKTOP` environment variable is consulted. If you want
+ * to override the default mechanism then you may specify @desktop_env,
+ * but this is not recommended.
*
* Note that g_app_info_should_show() for @info will include this check (with
* %NULL for @desktop_env) as well as additional checks.
g_desktop_app_info_get_show_in (GDesktopAppInfo *info,
const gchar *desktop_env)
{
- gboolean found;
- int i;
+ const gchar *specified_envs[] = { desktop_env, NULL };
+ const gchar * const *envs;
+ gint i;
g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), FALSE);
- if (!desktop_env) {
- G_LOCK (g_desktop_env);
- desktop_env = g_desktop_env;
- G_UNLOCK (g_desktop_env);
- }
+ if (desktop_env)
+ envs = specified_envs;
+ else
+ envs = get_current_desktops (NULL);
- if (info->only_show_in)
+ for (i = 0; envs[i]; i++)
{
- if (desktop_env == NULL)
- return FALSE;
+ gint j;
- found = FALSE;
- for (i = 0; info->only_show_in[i] != NULL; i++)
- {
- if (strcmp (info->only_show_in[i], desktop_env) == 0)
- {
- found = TRUE;
- break;
- }
- }
- if (!found)
- return FALSE;
- }
+ if (info->only_show_in)
+ for (j = 0; info->only_show_in[j]; j++)
+ if (g_str_equal (info->only_show_in[j], envs[i]))
+ return TRUE;
- if (info->not_show_in && desktop_env)
- {
- for (i = 0; info->not_show_in[i] != NULL; i++)
- {
- if (strcmp (info->not_show_in[i], desktop_env) == 0)
+ if (info->not_show_in)
+ for (j = 0; info->not_show_in[j]; j++)
+ if (g_str_equal (info->not_show_in[j], envs[i]))
return FALSE;
- }
}
- return TRUE;
+ return info->only_show_in == NULL;
}
/* Launching... {{{2 */
G_APP_INFO (info),
launched_files);
if (sn_id)
- {
- envp = g_environ_setenv (envp, "DESKTOP_STARTUP_ID", sn_id, TRUE);
- g_free (sn_id);
- }
+ envp = g_environ_setenv (envp, "DESKTOP_STARTUP_ID", sn_id, TRUE);
}
g_list_free_full (launched_files, g_object_unref);
* `OnlyShowIn` and `NotShowIn`
* desktop entry fields.
*
- * The
- * [Desktop Menu specification](http://standards.freedesktop.org/menu-spec/latest/)
- * recognizes the following:
- * - GNOME
- * - KDE
- * - ROX
- * - XFCE
- * - LXDE
- * - Unity
- * - Old
- *
* Should be called only once; subsequent calls are ignored.
+ *
+ * Deprecated:2.42:do not use this API. Since 2.42 the value of the
+ * `XDG_CURRENT_DESKTOP` environment variable will be used.
*/
void
g_desktop_app_info_set_desktop_env (const gchar *desktop_env)
{
- G_LOCK (g_desktop_env);
- if (!g_desktop_env)
- g_desktop_env = g_strdup (desktop_env);
- G_UNLOCK (g_desktop_env);
+ get_current_desktops (desktop_env);
}
static gboolean
/* mime types/default apps support {{{2 */
typedef enum {
+ CONF_DIR,
APP_DIR,
MIMETYPE_DIR
} DirType;
char *path, *display_name;
int errsv;
- if (type == APP_DIR)
- path = g_build_filename (g_get_user_data_dir (), "applications", NULL);
- else
- path = g_build_filename (g_get_user_data_dir (), "mime", "packages", NULL);
+ switch (type)
+ {
+ case CONF_DIR:
+ path = g_build_filename (g_get_user_config_dir (), NULL);
+ break;
+
+ case APP_DIR:
+ path = g_build_filename (g_get_user_data_dir (), "applications", NULL);
+ break;
+
+ case MIMETYPE_DIR:
+ path = g_build_filename (g_get_user_data_dir (), "mime", "packages", NULL);
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
errno = 0;
if (g_mkdir_with_parents (path, 0700) == 0)
g_assert (!((flags & UPDATE_MIME_SET_DEFAULT) &&
(flags & UPDATE_MIME_SET_NON_DEFAULT)));
- dirname = ensure_dir (APP_DIR, error);
+ dirname = ensure_dir (CONF_DIR, error);
if (!dirname)
return FALSE;
res = g_file_set_contents (filename, data, data_size, error);
- mime_info_cache_reload (NULL);
+ desktop_file_dirs_invalidate_user_config ();
g_free (filename);
g_free (data);
* This means that calls directly following this will be able to see
* the results immediately.
*/
- desktop_file_dirs_invalidate_user ();
+ desktop_file_dirs_invalidate_user_data ();
return TRUE;
}
/* Recommended applications {{{2 */
-static gboolean
-app_info_in_list (GAppInfo *info,
- GList *list)
+/* Converts content_type into a list of itself with all of its parent
+ * types (if include_fallback is enabled) or just returns a single-item
+ * list with the unaliased content type.
+ */
+static gchar **
+get_list_of_mimetypes (const gchar *content_type,
+ gboolean include_fallback)
{
- while (list != NULL)
+ gchar *unaliased;
+ GPtrArray *array;
+
+ array = g_ptr_array_new ();
+ unaliased = _g_unix_content_type_unalias (content_type);
+ g_ptr_array_add (array, unaliased);
+
+ if (include_fallback)
{
- if (g_app_info_equal (info, list->data))
- return TRUE;
- list = list->next;
+ gint i;
+
+ /* Iterate the array as we grow it, until we have nothing more to add */
+ for (i = 0; i < array->len; i++)
+ {
+ gchar **parents = _g_unix_content_type_get_parents (g_ptr_array_index (array, i));
+ gint j;
+
+ for (j = 0; parents[j]; j++)
+ /* Don't add duplicates */
+ if (!array_contains (array, parents[j]))
+ g_ptr_array_add (array, parents[j]);
+ else
+ g_free (parents[j]);
+
+ /* We already stole or freed each element. Free the container. */
+ g_free (parents);
+ }
}
- return FALSE;
+
+ g_ptr_array_add (array, NULL);
+
+ return (gchar **) g_ptr_array_free (array, FALSE);
+}
+
+static gchar **
+g_desktop_app_info_get_desktop_ids_for_content_type (const gchar *content_type,
+ gboolean include_fallback)
+{
+ GPtrArray *hits, *blacklist;
+ gchar **types;
+ gint i, j;
+
+ hits = g_ptr_array_new ();
+ blacklist = g_ptr_array_new ();
+
+ types = get_list_of_mimetypes (content_type, include_fallback);
+
+ desktop_file_dirs_lock ();
+
+ for (i = 0; types[i]; i++)
+ for (j = 0; j < n_desktop_file_dirs; j++)
+ desktop_file_dir_mime_lookup (&desktop_file_dirs[j], types[i], hits, blacklist);
+
+ desktop_file_dirs_unlock ();
+
+ g_ptr_array_add (hits, NULL);
+
+ g_ptr_array_free (blacklist, TRUE);
+ g_strfreev (types);
+
+ return (gchar **) g_ptr_array_free (hits, FALSE);
+}
+
+static gchar **
+g_desktop_app_info_get_defaults_for_content_type (const gchar *content_type)
+{
+ GPtrArray *results;
+ gchar **types;
+ gint i, j;
+
+ types = get_list_of_mimetypes (content_type, TRUE);
+ results = g_ptr_array_new ();
+
+ desktop_file_dirs_lock ();
+
+ for (i = 0; types[i]; i++)
+ for (j = 0; j < n_desktop_file_dirs; j++)
+ desktop_file_dir_default_lookup (&desktop_file_dirs[j], types[i], results);
+
+ desktop_file_dirs_unlock ();
+
+ g_ptr_array_add (results, NULL);
+ g_strfreev (types);
+
+ return (gchar **) g_ptr_array_free (results, FALSE);
}
/**
GList *
g_app_info_get_recommended_for_type (const gchar *content_type)
{
- GList *desktop_entries, *l;
+ gchar **desktop_ids;
GList *infos;
- GDesktopAppInfo *info;
+ gint i;
g_return_val_if_fail (content_type != NULL, NULL);
- desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, FALSE, NULL);
+ desktop_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, FALSE);
infos = NULL;
- for (l = desktop_entries; l != NULL; l = l->next)
+ for (i = 0; desktop_ids[i]; i++)
{
- char *desktop_entry = l->data;
+ GDesktopAppInfo *info;
- info = g_desktop_app_info_new (desktop_entry);
+ info = g_desktop_app_info_new (desktop_ids[i]);
if (info)
- {
- if (app_info_in_list (G_APP_INFO (info), infos))
- g_object_unref (info);
- else
- infos = g_list_prepend (infos, info);
- }
- g_free (desktop_entry);
+ infos = g_list_prepend (infos, info);
}
- g_list_free (desktop_entries);
+ g_strfreev (desktop_ids);
return g_list_reverse (infos);
}
GList *
g_app_info_get_fallback_for_type (const gchar *content_type)
{
- GList *desktop_entries, *l;
- GList *infos, *recommended_infos;
- GDesktopAppInfo *info;
+ gchar **recommended_ids;
+ gchar **all_ids;
+ GList *infos;
+ gint i;
g_return_val_if_fail (content_type != NULL, NULL);
- desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, NULL);
- recommended_infos = g_app_info_get_recommended_for_type (content_type);
+ recommended_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, FALSE);
+ all_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, TRUE);
infos = NULL;
- for (l = desktop_entries; l != NULL; l = l->next)
+ for (i = 0; all_ids[i]; i++)
{
- char *desktop_entry = l->data;
+ GDesktopAppInfo *info;
+ gint j;
+
+ /* Don't return the ones on the recommended list */
+ for (j = 0; recommended_ids[j]; j++)
+ if (g_str_equal (all_ids[i], recommended_ids[j]))
+ break;
+
+ if (recommended_ids[j])
+ continue;
+
+ info = g_desktop_app_info_new (all_ids[i]);
- info = g_desktop_app_info_new (desktop_entry);
if (info)
- {
- if (app_info_in_list (G_APP_INFO (info), infos) ||
- app_info_in_list (G_APP_INFO (info), recommended_infos))
- g_object_unref (info);
- else
- infos = g_list_prepend (infos, info);
- }
- g_free (desktop_entry);
+ infos = g_list_prepend (infos, info);
}
- g_list_free (desktop_entries);
- g_list_free_full (recommended_infos, g_object_unref);
+ g_strfreev (recommended_ids);
+ g_strfreev (all_ids);
return g_list_reverse (infos);
}
GList *
g_app_info_get_all_for_type (const char *content_type)
{
- GList *desktop_entries, *l;
+ gchar **desktop_ids;
GList *infos;
- char *user_default = NULL;
- GDesktopAppInfo *info;
+ gint i;
g_return_val_if_fail (content_type != NULL, NULL);
- desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, &user_default);
- infos = NULL;
-
- /* put the user default in front of the list, for compatibility */
- if (user_default != NULL)
- {
- info = g_desktop_app_info_new (user_default);
-
- if (info != NULL)
- infos = g_list_prepend (infos, info);
- }
-
- g_free (user_default);
+ desktop_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, TRUE);
- for (l = desktop_entries; l != NULL; l = l->next)
+ infos = NULL;
+ for (i = 0; desktop_ids[i]; i++)
{
- char *desktop_entry = l->data;
+ GDesktopAppInfo *info;
- info = g_desktop_app_info_new (desktop_entry);
+ info = g_desktop_app_info_new (desktop_ids[i]);
if (info)
- {
- if (app_info_in_list (G_APP_INFO (info), infos))
- g_object_unref (info);
- else
- infos = g_list_prepend (infos, info);
- }
- g_free (desktop_entry);
+ infos = g_list_prepend (infos, info);
}
- g_list_free (desktop_entries);
+ g_strfreev (desktop_ids);
return g_list_reverse (infos);
}
g_app_info_get_default_for_type (const char *content_type,
gboolean must_support_uris)
{
- GList *desktop_entries, *l;
- char *user_default = NULL;
+ gchar **desktop_ids;
GAppInfo *info;
+ gint i;
g_return_val_if_fail (content_type != NULL, NULL);
- desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, &user_default);
+ desktop_ids = g_desktop_app_info_get_defaults_for_content_type (content_type);
info = NULL;
-
- if (user_default != NULL)
+ for (i = 0; desktop_ids[i]; i++)
{
- info = (GAppInfo *) g_desktop_app_info_new (user_default);
+ info = (GAppInfo *) g_desktop_app_info_new (desktop_ids[i]);
if (info)
{
- if (must_support_uris && !g_app_info_supports_uris (info))
- {
- g_object_unref (info);
- info = NULL;
- }
+ if (!must_support_uris || g_app_info_supports_uris (info))
+ break;
+
+ g_object_unref (info);
+ info = NULL;
}
}
- g_free (user_default);
-
- if (info != NULL)
- {
- g_list_free_full (desktop_entries, g_free);
- return info;
- }
+ g_strfreev (desktop_ids);
- /* pick the first from the other list that matches our URI
- * requirements.
+ /* If we can't find a default app for this content type, pick one from
+ * the list of all supported apps. This will be ordered by the user's
+ * preference and by "recommended" apps first, so the first one we
+ * find is probably the best fallback.
*/
- for (l = desktop_entries; l != NULL; l = l->next)
+ if (info == NULL)
{
- char *desktop_entry = l->data;
+ desktop_ids = g_desktop_app_info_get_desktop_ids_for_content_type (content_type, TRUE);
- info = (GAppInfo *)g_desktop_app_info_new (desktop_entry);
- if (info)
+ for (i = 0; desktop_ids[i]; i++)
{
- if (must_support_uris && !g_app_info_supports_uris (info))
+ info = (GAppInfo *) g_desktop_app_info_new (desktop_ids[i]);
+
+ if (info)
{
+ if (!must_support_uris || g_app_info_supports_uris (info))
+ break;
+
g_object_unref (info);
info = NULL;
}
- else
- break;
}
- }
- g_list_free_full (desktop_entries, g_free);
+ g_strfreev (desktop_ids);
+ }
return info;
}
/* "Get all" API {{{2 */
/**
+ * g_desktop_app_info_get_implementations:
+ * @interface: the name of the interface
+ *
+ * Gets all applications that implement @interface.
+ *
+ * An application implements an interface if that interface is listed in
+ * the Implements= line of the desktop file of the application.
+ *
+ * Returns: (element-type GDesktopAppInfo) (transfer full): a list of #GDesktopAppInfo
+ * objects.
+ *
+ * Since: 2.42
+ **/
+GList *
+g_desktop_app_info_get_implementations (const gchar *interface)
+{
+ GList *result = NULL;
+ GList **ptr;
+ gint i;
+
+ desktop_file_dirs_lock ();
+
+ for (i = 0; i < n_desktop_file_dirs; i++)
+ desktop_file_dir_get_implementations (&desktop_file_dirs[i], &result, interface);
+
+ desktop_file_dirs_unlock ();
+
+ ptr = &result;
+ while (*ptr)
+ {
+ gchar *name = (*ptr)->data;
+ GDesktopAppInfo *app;
+
+ app = g_desktop_app_info_new (name);
+ g_free (name);
+
+ if (app)
+ {
+ (*ptr)->data = app;
+ ptr = &(*ptr)->next;
+ }
+ else
+ *ptr = g_list_delete_link (*ptr, *ptr);
+ }
+
+ return result;
+}
+
+/**
* g_desktop_app_info_search:
* @search_string: the search string to use
*
return infos;
}
-/* Caching of mimeinfo.cache and defaults.list files {{{2 */
-
-typedef struct {
- char *path;
- GHashTable *mime_info_cache_map;
- GHashTable *defaults_list_map;
- GHashTable *mimeapps_list_added_map;
- GHashTable *mimeapps_list_removed_map;
- GHashTable *mimeapps_list_defaults_map;
- time_t mime_info_cache_timestamp;
- time_t defaults_list_timestamp;
- time_t mimeapps_list_timestamp;
-} MimeInfoCacheDir;
-
-typedef struct {
- GList *dirs; /* mimeinfo.cache and defaults.list */
- time_t last_stat_time;
-} MimeInfoCache;
-
-static MimeInfoCache *mime_info_cache = NULL;
-G_LOCK_DEFINE_STATIC (mime_info_cache);
-
-static void mime_info_cache_dir_add_desktop_entries (MimeInfoCacheDir *dir,
- const char *mime_type,
- char **new_desktop_file_ids);
-
-static MimeInfoCache * mime_info_cache_new (void);
-
-static void
-destroy_info_cache_value (gpointer key,
- GList *value,
- gpointer data)
-{
- g_list_free_full (value, g_free);
-}
-
-static void
-destroy_info_cache_map (GHashTable *info_cache_map)
-{
- g_hash_table_foreach (info_cache_map, (GHFunc)destroy_info_cache_value, NULL);
- g_hash_table_destroy (info_cache_map);
-}
-
-static gboolean
-mime_info_cache_dir_out_of_date (MimeInfoCacheDir *dir,
- const char *cache_file,
- time_t *timestamp)
-{
- struct stat buf;
- char *filename;
-
- filename = g_build_filename (dir->path, cache_file, NULL);
-
- if (g_stat (filename, &buf) < 0)
- {
- g_free (filename);
- return TRUE;
- }
- g_free (filename);
-
- if (buf.st_mtime != *timestamp)
- return TRUE;
-
- return FALSE;
-}
-
-/* Call with lock held */
-static void
-mime_info_cache_dir_init (MimeInfoCacheDir *dir)
-{
- GError *load_error;
- GKeyFile *key_file;
- gchar *filename, **mime_types;
- int i;
- struct stat buf;
-
- load_error = NULL;
- mime_types = NULL;
-
- if (dir->mime_info_cache_map != NULL &&
- !mime_info_cache_dir_out_of_date (dir, "mimeinfo.cache",
- &dir->mime_info_cache_timestamp))
- return;
-
- if (dir->mime_info_cache_map != NULL)
- destroy_info_cache_map (dir->mime_info_cache_map);
-
- dir->mime_info_cache_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- (GDestroyNotify) g_free,
- NULL);
-
- key_file = g_key_file_new ();
-
- filename = g_build_filename (dir->path, "mimeinfo.cache", NULL);
-
- if (g_stat (filename, &buf) < 0)
- goto error;
-
- dir->mime_info_cache_timestamp = buf.st_mtime;
-
- g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error);
-
- g_free (filename);
- filename = NULL;
-
- if (load_error != NULL)
- goto error;
-
- mime_types = g_key_file_get_keys (key_file, MIME_CACHE_GROUP,
- NULL, &load_error);
-
- if (load_error != NULL)
- goto error;
-
- for (i = 0; mime_types[i] != NULL; i++)
- {
- gchar **desktop_file_ids;
- char *unaliased_type;
- desktop_file_ids = g_key_file_get_string_list (key_file,
- MIME_CACHE_GROUP,
- mime_types[i],
- NULL,
- NULL);
-
- if (desktop_file_ids == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- mime_info_cache_dir_add_desktop_entries (dir,
- unaliased_type,
- desktop_file_ids);
- g_free (unaliased_type);
-
- g_strfreev (desktop_file_ids);
- }
-
- g_strfreev (mime_types);
- g_key_file_free (key_file);
-
- return;
- error:
- g_free (filename);
- g_key_file_free (key_file);
-
- if (mime_types != NULL)
- g_strfreev (mime_types);
-
- if (load_error)
- g_error_free (load_error);
-}
-
-static void
-mime_info_cache_dir_init_defaults_list (MimeInfoCacheDir *dir)
-{
- GKeyFile *key_file;
- GError *load_error;
- gchar *filename, **mime_types;
- char *unaliased_type;
- char **desktop_file_ids;
- int i;
- struct stat buf;
-
- load_error = NULL;
- mime_types = NULL;
-
- if (dir->defaults_list_map != NULL &&
- !mime_info_cache_dir_out_of_date (dir, "defaults.list",
- &dir->defaults_list_timestamp))
- return;
-
- if (dir->defaults_list_map != NULL)
- g_hash_table_destroy (dir->defaults_list_map);
- dir->defaults_list_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, (GDestroyNotify)g_strfreev);
-
-
- key_file = g_key_file_new ();
-
- filename = g_build_filename (dir->path, "defaults.list", NULL);
- if (g_stat (filename, &buf) < 0)
- goto error;
-
- dir->defaults_list_timestamp = buf.st_mtime;
-
- g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error);
- g_free (filename);
- filename = NULL;
-
- if (load_error != NULL)
- goto error;
-
- mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP,
- NULL, NULL);
- if (mime_types != NULL)
- {
- for (i = 0; mime_types[i] != NULL; i++)
- {
- desktop_file_ids = g_key_file_get_string_list (key_file,
- DEFAULT_APPLICATIONS_GROUP,
- mime_types[i],
- NULL,
- NULL);
- if (desktop_file_ids == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- g_hash_table_replace (dir->defaults_list_map,
- unaliased_type,
- desktop_file_ids);
- }
-
- g_strfreev (mime_types);
- }
-
- g_key_file_free (key_file);
- return;
-
- error:
- g_free (filename);
- g_key_file_free (key_file);
-
- if (mime_types != NULL)
- g_strfreev (mime_types);
-
- if (load_error)
- g_error_free (load_error);
-}
-
-static void
-mime_info_cache_dir_init_mimeapps_list (MimeInfoCacheDir *dir)
-{
- GKeyFile *key_file;
- GError *load_error;
- gchar *filename, **mime_types;
- char *unaliased_type;
- char **desktop_file_ids;
- char *desktop_id;
- int i;
- struct stat buf;
-
- load_error = NULL;
- mime_types = NULL;
-
- if (dir->mimeapps_list_added_map != NULL &&
- !mime_info_cache_dir_out_of_date (dir, "mimeapps.list",
- &dir->mimeapps_list_timestamp))
- return;
-
- if (dir->mimeapps_list_added_map != NULL)
- g_hash_table_destroy (dir->mimeapps_list_added_map);
- dir->mimeapps_list_added_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, (GDestroyNotify)g_strfreev);
-
- if (dir->mimeapps_list_removed_map != NULL)
- g_hash_table_destroy (dir->mimeapps_list_removed_map);
- dir->mimeapps_list_removed_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, (GDestroyNotify)g_strfreev);
-
- if (dir->mimeapps_list_defaults_map != NULL)
- g_hash_table_destroy (dir->mimeapps_list_defaults_map);
- dir->mimeapps_list_defaults_map = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, g_free);
-
- key_file = g_key_file_new ();
-
- filename = g_build_filename (dir->path, "mimeapps.list", NULL);
- if (g_stat (filename, &buf) < 0)
- goto error;
-
- dir->mimeapps_list_timestamp = buf.st_mtime;
-
- g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error);
- g_free (filename);
- filename = NULL;
-
- if (load_error != NULL)
- goto error;
-
- mime_types = g_key_file_get_keys (key_file, ADDED_ASSOCIATIONS_GROUP,
- NULL, NULL);
- if (mime_types != NULL)
- {
- for (i = 0; mime_types[i] != NULL; i++)
- {
- desktop_file_ids = g_key_file_get_string_list (key_file,
- ADDED_ASSOCIATIONS_GROUP,
- mime_types[i],
- NULL,
- NULL);
- if (desktop_file_ids == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- g_hash_table_replace (dir->mimeapps_list_added_map,
- unaliased_type,
- desktop_file_ids);
- }
-
- g_strfreev (mime_types);
- }
-
- mime_types = g_key_file_get_keys (key_file, REMOVED_ASSOCIATIONS_GROUP,
- NULL, NULL);
- if (mime_types != NULL)
- {
- for (i = 0; mime_types[i] != NULL; i++)
- {
- desktop_file_ids = g_key_file_get_string_list (key_file,
- REMOVED_ASSOCIATIONS_GROUP,
- mime_types[i],
- NULL,
- NULL);
- if (desktop_file_ids == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- g_hash_table_replace (dir->mimeapps_list_removed_map,
- unaliased_type,
- desktop_file_ids);
- }
-
- g_strfreev (mime_types);
- }
-
- mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP,
- NULL, NULL);
- if (mime_types != NULL)
- {
- for (i = 0; mime_types[i] != NULL; i++)
- {
- desktop_id = g_key_file_get_string (key_file,
- DEFAULT_APPLICATIONS_GROUP,
- mime_types[i],
- NULL);
- if (desktop_id == NULL)
- continue;
-
- unaliased_type = _g_unix_content_type_unalias (mime_types[i]);
- g_hash_table_replace (dir->mimeapps_list_defaults_map,
- unaliased_type,
- desktop_id);
- }
-
- g_strfreev (mime_types);
- }
-
- g_key_file_free (key_file);
- return;
-
- error:
- g_free (filename);
- g_key_file_free (key_file);
-
- if (mime_types != NULL)
- g_strfreev (mime_types);
-
- if (load_error)
- g_error_free (load_error);
-}
-
-static MimeInfoCacheDir *
-mime_info_cache_dir_new (const char *path)
-{
- MimeInfoCacheDir *dir;
-
- dir = g_new0 (MimeInfoCacheDir, 1);
- dir->path = g_strdup (path);
-
- return dir;
-}
-
-static void
-mime_info_cache_dir_free (MimeInfoCacheDir *dir)
-{
- if (dir == NULL)
- return;
-
- if (dir->mime_info_cache_map != NULL)
- {
- destroy_info_cache_map (dir->mime_info_cache_map);
- dir->mime_info_cache_map = NULL;
-
- }
-
- if (dir->defaults_list_map != NULL)
- {
- g_hash_table_destroy (dir->defaults_list_map);
- dir->defaults_list_map = NULL;
- }
-
- if (dir->mimeapps_list_added_map != NULL)
- {
- g_hash_table_destroy (dir->mimeapps_list_added_map);
- dir->mimeapps_list_added_map = NULL;
- }
-
- if (dir->mimeapps_list_removed_map != NULL)
- {
- g_hash_table_destroy (dir->mimeapps_list_removed_map);
- dir->mimeapps_list_removed_map = NULL;
- }
-
- if (dir->mimeapps_list_defaults_map != NULL)
- {
- g_hash_table_destroy (dir->mimeapps_list_defaults_map);
- dir->mimeapps_list_defaults_map = NULL;
- }
-
- g_free (dir);
-}
-
-static void
-mime_info_cache_dir_add_desktop_entries (MimeInfoCacheDir *dir,
- const char *mime_type,
- char **new_desktop_file_ids)
-{
- GList *desktop_file_ids;
- int i;
-
- desktop_file_ids = g_hash_table_lookup (dir->mime_info_cache_map,
- mime_type);
-
- for (i = 0; new_desktop_file_ids[i] != NULL; i++)
- {
- if (!g_list_find_custom (desktop_file_ids, new_desktop_file_ids[i], (GCompareFunc) strcmp))
- desktop_file_ids = g_list_append (desktop_file_ids,
- g_strdup (new_desktop_file_ids[i]));
- }
-
- g_hash_table_insert (dir->mime_info_cache_map, g_strdup (mime_type), desktop_file_ids);
-}
-
-static void
-mime_info_cache_init_dir_lists (void)
-{
- int i;
-
- mime_info_cache = mime_info_cache_new ();
-
- desktop_file_dirs_refresh ();
-
- for (i = 0; i < n_desktop_file_dirs; i++)
- {
- MimeInfoCacheDir *dir;
-
- dir = mime_info_cache_dir_new (desktop_file_dirs[i].path);
-
- if (dir != NULL)
- {
- mime_info_cache_dir_init (dir);
- mime_info_cache_dir_init_defaults_list (dir);
- mime_info_cache_dir_init_mimeapps_list (dir);
-
- mime_info_cache->dirs = g_list_append (mime_info_cache->dirs, dir);
- }
- }
-}
-
-static void
-mime_info_cache_update_dir_lists (void)
-{
- GList *tmp;
-
- tmp = mime_info_cache->dirs;
-
- while (tmp != NULL)
- {
- MimeInfoCacheDir *dir = (MimeInfoCacheDir *) tmp->data;
-
- /* No need to do this if we had file monitors... */
- mime_info_cache_dir_init (dir);
- mime_info_cache_dir_init_defaults_list (dir);
- mime_info_cache_dir_init_mimeapps_list (dir);
-
- tmp = tmp->next;
- }
-}
-
-static void
-mime_info_cache_init (void)
-{
- G_LOCK (mime_info_cache);
- if (mime_info_cache == NULL)
- mime_info_cache_init_dir_lists ();
- else
- {
- time_t now;
-
- time (&now);
- if (now >= mime_info_cache->last_stat_time + 10)
- {
- mime_info_cache_update_dir_lists ();
- mime_info_cache->last_stat_time = now;
- }
- }
-
- G_UNLOCK (mime_info_cache);
-}
-
-static MimeInfoCache *
-mime_info_cache_new (void)
-{
- MimeInfoCache *cache;
-
- cache = g_new0 (MimeInfoCache, 1);
-
- return cache;
-}
-
-static void
-mime_info_cache_free (MimeInfoCache *cache)
-{
- if (cache == NULL)
- return;
-
- g_list_free_full (cache->dirs, (GDestroyNotify) mime_info_cache_dir_free);
- g_free (cache);
-}
-
-/**
- * mime_info_cache_reload:
- * @dir: directory path which needs reloading.
- *
- * Reload the mime information for the @dir.
- */
-static void
-mime_info_cache_reload (const char *dir)
-{
- /* FIXME: just reload the dir that needs reloading,
- * don't blow the whole cache
- */
- if (mime_info_cache != NULL)
- {
- G_LOCK (mime_info_cache);
- mime_info_cache_free (mime_info_cache);
- mime_info_cache = NULL;
- G_UNLOCK (mime_info_cache);
- }
-}
-
-static GList *
-append_desktop_entry (GList *list,
- const char *desktop_entry,
- GList *removed_entries)
-{
- /* Add if not already in list, and valid */
- if (!g_list_find_custom (list, desktop_entry, (GCompareFunc) strcmp) &&
- !g_list_find_custom (removed_entries, desktop_entry, (GCompareFunc) strcmp))
- list = g_list_prepend (list, g_strdup (desktop_entry));
-
- return list;
-}
-
-/**
- * get_all_desktop_entries_for_mime_type:
- * @mime_type: a mime type.
- * @except: NULL or a strv list
- *
- * Returns all the desktop ids for @mime_type. The desktop files
- * are listed in an order so that default applications are listed before
- * non-default ones, and handlers for inherited mimetypes are listed
- * after the base ones.
- *
- * Optionally doesn't list the desktop ids given in the @except
- *
- * Returns: a #GList containing the desktop ids which claim
- * to handle @mime_type.
- */
-static GList *
-get_all_desktop_entries_for_mime_type (const char *base_mime_type,
- const char **except,
- gboolean include_fallback,
- char **explicit_default)
-{
- GList *desktop_entries, *removed_entries, *list, *dir_list, *tmp;
- MimeInfoCacheDir *dir;
- char *mime_type, *default_entry = NULL;
- char *old_default_entry = NULL;
- const char *entry;
- char **mime_types;
- char **default_entries;
- char **removed_associations;
- gboolean already_found_handler;
- int i, j, k;
- GPtrArray *array;
- char **anc;
-
- mime_info_cache_init ();
-
- if (include_fallback)
- {
- /* collect all ancestors */
- mime_types = _g_unix_content_type_get_parents (base_mime_type);
- array = g_ptr_array_new ();
- for (i = 0; mime_types[i]; i++)
- g_ptr_array_add (array, mime_types[i]);
- g_free (mime_types);
- for (i = 0; i < array->len; i++)
- {
- anc = _g_unix_content_type_get_parents (g_ptr_array_index (array, i));
- for (j = 0; anc[j]; j++)
- {
- for (k = 0; k < array->len; k++)
- {
- if (strcmp (anc[j], g_ptr_array_index (array, k)) == 0)
- break;
- }
- if (k == array->len) /* not found */
- g_ptr_array_add (array, g_strdup (anc[j]));
- }
- g_strfreev (anc);
- }
- g_ptr_array_add (array, NULL);
- mime_types = (char **)g_ptr_array_free (array, FALSE);
- }
- else
- {
- mime_types = g_malloc0 (2 * sizeof (gchar *));
- mime_types[0] = g_strdup (base_mime_type);
- mime_types[1] = NULL;
- }
-
- G_LOCK (mime_info_cache);
-
- removed_entries = NULL;
- desktop_entries = NULL;
-
- for (i = 0; except != NULL && except[i] != NULL; i++)
- removed_entries = g_list_prepend (removed_entries, g_strdup (except[i]));
-
- for (i = 0; mime_types[i] != NULL; i++)
- {
- mime_type = mime_types[i];
-
- /* This is true if we already found a handler for a more specific
- mimetype. If its set we ignore any defaults for the less specific
- mimetypes. */
- already_found_handler = (desktop_entries != NULL);
-
- /* Go through all apps listed in user and system dirs */
- for (dir_list = mime_info_cache->dirs;
- dir_list != NULL;
- dir_list = dir_list->next)
- {
- dir = dir_list->data;
-
- /* Pick the explicit default application if we got no result earlier
- * (ie, for more specific mime types)
- */
- if (!already_found_handler)
- {
- entry = g_hash_table_lookup (dir->mimeapps_list_defaults_map, mime_type);
-
- if (entry != NULL)
- {
- /* Save the default entry if it's the first one we encounter */
- if (default_entry == NULL)
- default_entry = g_strdup (entry);
- }
- }
-
- /* Then added associations from mimeapps.list */
- default_entries = g_hash_table_lookup (dir->mimeapps_list_added_map, mime_type);
- for (j = 0; default_entries != NULL && default_entries[j] != NULL; j++)
- desktop_entries = append_desktop_entry (desktop_entries, default_entries[j], removed_entries);
-
- /* Then removed associations from mimeapps.list */
- removed_associations = g_hash_table_lookup (dir->mimeapps_list_removed_map, mime_type);
- for (j = 0; removed_associations != NULL && removed_associations[j] != NULL; j++)
- removed_entries = append_desktop_entry (removed_entries, removed_associations[j], NULL);
-
- /* Then system defaults (or old per-user config) (using removed associations from this dir or earlier) */
- default_entries = g_hash_table_lookup (dir->defaults_list_map, mime_type);
- for (j = 0; default_entries != NULL && default_entries[j] != NULL; j++)
- {
- if (default_entry == NULL && old_default_entry == NULL && !already_found_handler)
- old_default_entry = g_strdup (default_entries[j]);
-
- desktop_entries = append_desktop_entry (desktop_entries, default_entries[j], removed_entries);
- }
- }
-
- /* Go through all entries that support the mimetype */
- for (dir_list = mime_info_cache->dirs;
- dir_list != NULL;
- dir_list = dir_list->next)
- {
- dir = dir_list->data;
-
- list = g_hash_table_lookup (dir->mime_info_cache_map, mime_type);
- for (tmp = list; tmp != NULL; tmp = tmp->next)
- desktop_entries = append_desktop_entry (desktop_entries, tmp->data, removed_entries);
- }
- }
-
- G_UNLOCK (mime_info_cache);
-
- g_strfreev (mime_types);
-
- /* If we have no default from mimeapps.list, take it from
- * defaults.list intead.
- *
- * If we do have a default from mimeapps.list, free any one that came
- * from defaults.list.
- */
- if (default_entry == NULL)
- default_entry = old_default_entry;
- else
- g_free (old_default_entry);
-
- if (explicit_default != NULL)
- *explicit_default = default_entry;
- else
- g_free (default_entry);
-
- g_list_free_full (removed_entries, g_free);
-
- desktop_entries = g_list_reverse (desktop_entries);
-
- return desktop_entries;
-}
-
/* GDesktopAppInfoLookup interface {{{2 */
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
projects / platform / upstream / glib.git / blobdiff