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gdesktopappinfo: rework search path

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Change the search path to be a global array of 'DesktopFileDir' structures and
change the 'get' function to an 'ensure' function.

This is just a straight-up refactor.  Future patches will expand the
DesktopFileDir structure.
This commit is contained in:
Ryan Lortie 2013-07-24 17:48:37 -04:00
parent 5e59ab8e8c
commit b0601e7558
1 changed files with 54 additions and 43 deletions
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97
gio/gdesktopappinfo.c
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@ -139,35 +139,48 @@ G_DEFINE_TYPE_WITH_CODE (GDesktopAppInfo, g_desktop_app_info, G_TYPE_OBJECT,
G_LOCK_DEFINE_STATIC (g_desktop_env);
static gchar *g_desktop_env = NULL;
static gpointer
search_path_init (gpointer data)
typedef struct
{
char **args = NULL;
const char * const *data_dirs;
const char *user_data_dir;
int i, length, j;
gchar *path;
} DesktopFileDir;
data_dirs = g_get_system_data_dirs ();
length = g_strv_length ((char **) data_dirs);
args = g_new (char *, length + 2);
j = 0;
user_data_dir = g_get_user_data_dir ();
args[j++] = g_build_filename (user_data_dir, "applications", NULL);
for (i = 0; i < length; i++)
args[j++] = g_build_filename (data_dirs[i],
"applications", NULL);
args[j++] = NULL;
return args;
}
static const char * const *
get_applications_search_path (void)
static DesktopFileDir *desktop_file_dirs;
static guint n_desktop_file_dirs;
static void
desktop_file_dir_create (GArray *array,
const gchar *data_dir)
{
static GOnce once_init = G_ONCE_INIT;
return g_once (&once_init, search_path_init, NULL);
DesktopFileDir dir = { 0, };
dir.path = g_build_filename (data_dir, "applications", NULL);
g_array_append_val (array, dir);
}
static void
desktop_file_dirs_refresh (void)
{
if (g_once_init_enter (&desktop_file_dirs))
{
const char * const *data_dirs;
GArray *tmp;
gint i;
tmp = g_array_new (FALSE, FALSE, sizeof (DesktopFileDir));
/* Highest priority: the user's ~/.local/share/applications */
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]);
n_desktop_file_dirs = tmp->len;
g_once_init_leave (&desktop_file_dirs, (DesktopFileDir *) g_array_free (tmp, FALSE));
}
}
static void
@ -540,20 +553,20 @@ GDesktopAppInfo *
g_desktop_app_info_new (const char *desktop_id)
{
GDesktopAppInfo *appinfo;
const char * const *dirs;
char *basename;
int i;
dirs = get_applications_search_path ();
desktop_file_dirs_refresh ();
basename = g_strdup (desktop_id);
for (i = 0; dirs[i] != NULL; i++)
for (i = 0; i < n_desktop_file_dirs; i++)
{
const gchar *path = desktop_file_dirs[i].path;
char *filename;
char *p;
filename = g_build_filename (dirs[i], desktop_id, NULL);
filename = g_build_filename (path, desktop_id, NULL);
appinfo = g_desktop_app_info_new_from_filename (filename);
g_free (filename);
if (appinfo != NULL)
@ -564,7 +577,7 @@ g_desktop_app_info_new (const char *desktop_id)
{
*p = '/';
filename = g_build_filename (dirs[i], basename, NULL);
filename = g_build_filename (path, basename, NULL);
appinfo = g_desktop_app_info_new_from_filename (filename);
g_free (filename);
if (appinfo != NULL)
@ -2794,21 +2807,20 @@ get_apps_from_dir (GHashTable *apps,
GList *
g_app_info_get_all (void)
{
const char * const *dirs;
GHashTable *apps;
GHashTableIter iter;
gpointer value;
int i;
GList *infos;
dirs = get_applications_search_path ();
desktop_file_dirs_refresh ();
apps = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, NULL);
for (i = 0; dirs[i] != NULL; i++)
get_apps_from_dir (apps, dirs[i], "");
for (i = 0; i < n_desktop_file_dirs; i++)
get_apps_from_dir (apps, desktop_file_dirs[i].path, "");
infos = NULL;
@ -3259,18 +3271,17 @@ mime_info_cache_dir_add_desktop_entries (MimeInfoCacheDir *dir,
static void
mime_info_cache_init_dir_lists (void)
{
const char * const *dirs;
int i;
mime_info_cache = mime_info_cache_new ();
dirs = get_applications_search_path ();
for (i = 0; dirs[i] != NULL; i++)
desktop_file_dirs_refresh ();
for (i = 0; i < n_desktop_file_dirs; i++)
{
MimeInfoCacheDir *dir;
dir = mime_info_cache_dir_new (dirs[i]);
dir = mime_info_cache_dir_new (desktop_file_dirs[i].path);
if (dir != NULL)
{