* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
- * Public License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: Alexander Larsson <alexl@redhat.com>
* Ryan Lortie <desrt@desrt.ca>
#include "glibintl.h"
#include "giomodule-priv.h"
#include "gappinfo.h"
+#include "gappinfoprivate.h"
+#include "glocaldirectorymonitor.h"
/**
* #GDesktopAppInfo is an implementation of #GAppInfo based on
* desktop files.
*
- * Note that <filename><gio/gdesktopappinfo.h></filename> belongs to
- * the UNIX-specific GIO interfaces, thus you have to use the
- * <filename>gio-unix-2.0.pc</filename> pkg-config file when using it.
+ * Note that `<gio/gdesktopappinfo.h>` belongs to the UNIX-specific
+ * GIO interfaces, thus you have to use the `gio-unix-2.0.pc` pkg-config
+ * file when using it.
*/
#define DEFAULT_APPLICATIONS_GROUP "Default Applications"
typedef struct
{
gchar *path;
+ GLocalDirectoryMonitor *monitor;
+ GHashTable *app_names;
+ gboolean is_setup;
+ GHashTable *memory_index;
} DesktopFileDir;
static DesktopFileDir *desktop_file_dirs;
static guint n_desktop_file_dirs;
+static GMutex desktop_file_dir_lock;
+
+/* Monitor 'changed' signal handler {{{2 */
+static void desktop_file_dir_reset (DesktopFileDir *dir);
+
+static void
+desktop_file_dir_changed (GFileMonitor *monitor,
+ GFile *file,
+ GFile *other_file,
+ GFileMonitorEvent event_type,
+ gpointer user_data)
+{
+ DesktopFileDir *dir = user_data;
+
+ /* 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.
+ */
+ g_mutex_lock (&desktop_file_dir_lock);
+
+ desktop_file_dir_reset (dir);
+
+ g_mutex_unlock (&desktop_file_dir_lock);
+
+ /* Notify anyone else who may be interested */
+ g_app_info_monitor_fire ();
+}
+
+/* Internal utility functions {{{2 */
+
+/*< internal >
+ * desktop_file_dir_app_name_is_masked:
+ * @dir: a #DesktopFileDir
+ * @app_name: an application ID
+ *
+ * Checks if @app_name is masked for @dir.
+ *
+ * An application is masked if a similarly-named desktop file exists in
+ * a desktop file directory with higher precedence. Masked desktop
+ * files should be ignored.
+ */
+static gboolean
+desktop_file_dir_app_name_is_masked (DesktopFileDir *dir,
+ const gchar *app_name)
+{
+ while (dir > desktop_file_dirs)
+ {
+ dir--;
+
+ if (dir->app_names && g_hash_table_contains (dir->app_names, app_name))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/*< internal >
+ * add_to_table_if_appropriate:
+ * @apps: a string to GDesktopAppInfo hash table
+ * @app_name: the name of the application
+ * @info: a #GDesktopAppInfo, or NULL
+ *
+ * If @info is non-%NULL and non-hidden, then add it to @apps, using
+ * @app_name as a key.
+ *
+ * If @info is non-%NULL then this function will consume the passed-in
+ * reference.
+ */
+static void
+add_to_table_if_appropriate (GHashTable *apps,
+ const gchar *app_name,
+ GDesktopAppInfo *info)
+{
+ if (!info)
+ return;
+
+ if (info->hidden)
+ {
+ g_object_unref (info);
+ return;
+ }
+
+ g_free (info->desktop_id);
+ info->desktop_id = g_strdup (app_name);
+
+ g_hash_table_insert (apps, g_strdup (info->desktop_id), info);
+}
+
+enum
+{
+ DESKTOP_KEY_Comment,
+ DESKTOP_KEY_GenericName,
+ DESKTOP_KEY_Keywords,
+ DESKTOP_KEY_Name,
+ DESKTOP_KEY_X_GNOME_FullName,
+
+ N_DESKTOP_KEYS
+};
+
+const gchar desktop_key_match_category[N_DESKTOP_KEYS] = {
+ /* Note: lower numbers are a better match.
+ *
+ * In case we want two keys to match at the same level, we can just
+ * use the same number for the two different keys.
+ */
+ [DESKTOP_KEY_Name] = 1,
+ [DESKTOP_KEY_Keywords] = 2,
+ [DESKTOP_KEY_GenericName] = 3,
+ [DESKTOP_KEY_X_GNOME_FullName] = 4,
+ [DESKTOP_KEY_Comment] = 5
+};
+
+static gchar *
+desktop_key_get_name (guint key_id)
+{
+ switch (key_id)
+ {
+ case DESKTOP_KEY_Comment:
+ return "Comment";
+ case DESKTOP_KEY_GenericName:
+ return "GenericName";
+ case DESKTOP_KEY_Keywords:
+ return "Keywords";
+ case DESKTOP_KEY_Name:
+ return "Name";
+ case DESKTOP_KEY_X_GNOME_FullName:
+ return "X-GNOME-FullName";
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+/* Search global state {{{2
+ *
+ * We only ever search under a global lock, so we can use (and reuse)
+ * some global data to reduce allocations made while searching.
+ *
+ * In short, we keep around arrays of results that we expand as needed
+ * (and never shrink).
+ *
+ * static_token_results: this is where we append the results for each
+ * token within a given desktop directory, as we handle it (which is
+ * a union of all matches for this term)
+ *
+ * static_search_results: this is where we build the complete results
+ * for a single directory (which is an intersection of the matches
+ * found for each term)
+ *
+ * static_total_results: this is where we build the complete results
+ * across all directories (which is a union of the matches found in
+ * each directory)
+ *
+ * The app_names that enter these tables are always pointer-unique (in
+ * the sense that string equality is the same as pointer equality).
+ * This can be guaranteed for two reasons:
+ *
+ * - we mask appids so that a given appid will only ever appear within
+ * the highest-precedence directory that contains it. We never
+ * return search results from a lower-level directory if a desktop
+ * file exists in a higher-level one.
+ *
+ * - within a given directory, the string is unique because it's the
+ * key in the hashtable of all app_ids for that directory.
+ *
+ * We perform a merging of the results in merge_token_results(). This
+ * works by ordering the two lists and moving through each of them (at
+ * the same time) looking for common elements, rejecting uncommon ones.
+ * "Order" here need not mean any particular thing, as long as it is
+ * some order. Because of the uniqueness of our strings, we can use
+ * pointer order. That's what's going on in compare_results() below.
+ */
+struct search_result
+{
+ const gchar *app_name;
+ gint category;
+};
+
+static struct search_result *static_token_results;
+static gint static_token_results_size;
+static gint static_token_results_allocated;
+static struct search_result *static_search_results;
+static gint static_search_results_size;
+static gint static_search_results_allocated;
+static struct search_result *static_total_results;
+static gint static_total_results_size;
+static gint static_total_results_allocated;
+
+/* And some functions for performing nice operations against it */
+static gint
+compare_results (gconstpointer a,
+ gconstpointer b)
+{
+ const struct search_result *ra = a;
+ const struct search_result *rb = b;
+
+ if (ra->app_name < rb->app_name)
+ return -1;
+
+ else if (ra->app_name > rb->app_name)
+ return 1;
+
+ else
+ return ra->category - rb->category;
+}
+
+static gint
+compare_categories (gconstpointer a,
+ gconstpointer b)
+{
+ const struct search_result *ra = a;
+ const struct search_result *rb = b;
+
+ return ra->category - rb->category;
+}
+
+static void
+add_token_result (const gchar *app_name,
+ guint16 category)
+{
+ if G_UNLIKELY (static_token_results_size == static_token_results_allocated)
+ {
+ static_token_results_allocated = MAX (16, static_token_results_allocated * 2);
+ static_token_results = g_renew (struct search_result, static_token_results, static_token_results_allocated);
+ }
+
+ static_token_results[static_token_results_size].app_name = app_name;
+ static_token_results[static_token_results_size].category = category;
+ static_token_results_size++;
+}
+
+static void
+merge_token_results (gboolean first)
+{
+ qsort (static_token_results, static_token_results_size, sizeof (struct search_result), compare_results);
+
+ /* If this is the first token then we are basically merging a list with
+ * itself -- we only perform de-duplication.
+ *
+ * If this is not the first token then we are doing a real merge.
+ */
+ if (first)
+ {
+ const gchar *last_name = NULL;
+ gint i;
+
+ /* We must de-duplicate, but we do so by taking the best category
+ * in each case.
+ *
+ * The final list can be as large as the input here, so make sure
+ * we have enough room (even if it's too much room).
+ */
+
+ if G_UNLIKELY (static_search_results_allocated < static_token_results_size)
+ {
+ static_search_results_allocated = static_token_results_allocated;
+ static_search_results = g_renew (struct search_result,
+ static_search_results,
+ static_search_results_allocated);
+ }
+
+ for (i = 0; i < static_token_results_size; i++)
+ {
+ /* The list is sorted so that the best match for a given id
+ * will be at the front, so once we have copied an id, skip
+ * the rest of the entries for the same id.
+ */
+ if (static_token_results[i].app_name == last_name)
+ continue;
+
+ last_name = static_token_results[i].app_name;
+
+ static_search_results[static_search_results_size++] = static_token_results[i];
+ }
+ }
+ else
+ {
+ const gchar *last_name = NULL;
+ gint i, j = 0;
+ gint k = 0;
+
+ /* We only ever remove items from the results list, so no need to
+ * resize to ensure that we have enough room.
+ */
+ for (i = 0; i < static_token_results_size; i++)
+ {
+ if (static_token_results[i].app_name == last_name)
+ continue;
+
+ last_name = static_token_results[i].app_name;
+
+ /* Now we only want to have a result in static_search_results
+ * if we already have it there *and* we have it in
+ * static_token_results as well. The category will be the
+ * lesser of the two.
+ *
+ * Skip past the results in static_search_results that are not
+ * going to be matches.
+ */
+ while (k < static_search_results_size &&
+ static_search_results[k].app_name < static_token_results[i].app_name)
+ k++;
+
+ if (k < static_search_results_size &&
+ static_search_results[k].app_name == static_token_results[i].app_name)
+ {
+ /* We have a match.
+ *
+ * Category should be the worse of the two (ie:
+ * numerically larger).
+ */
+ static_search_results[j].app_name = static_search_results[k].app_name;
+ static_search_results[j].category = MAX (static_search_results[k].category,
+ static_token_results[i].category);
+ j++;
+ }
+ }
+
+ static_search_results_size = j;
+ }
+
+ /* Clear it out for next time... */
+ static_token_results_size = 0;
+}
+
+static void
+reset_total_search_results (void)
+{
+ static_total_results_size = 0;
+}
+
+static void
+sort_total_search_results (void)
+{
+ qsort (static_total_results, static_total_results_size, sizeof (struct search_result), compare_categories);
+}
+
+static void
+merge_directory_results (void)
+{
+ if G_UNLIKELY (static_total_results_size + static_search_results_size > static_total_results_allocated)
+ {
+ static_total_results_allocated = MAX (16, static_total_results_allocated);
+ while (static_total_results_allocated < static_total_results_size + static_search_results_size)
+ static_total_results_allocated *= 2;
+ static_total_results = g_renew (struct search_result, static_total_results, static_total_results_allocated);
+ }
+
+ memcpy (static_total_results + static_total_results_size,
+ static_search_results,
+ static_search_results_size * sizeof (struct search_result));
+
+ static_total_results_size += static_search_results_size;
+
+ /* Clear it out for next time... */
+ static_search_results_size = 0;
+}
+
+
+/* Support for unindexed DesktopFileDirs {{{2 */
+static void
+get_apps_from_dir (GHashTable **apps,
+ const char *dirname,
+ const char *prefix)
+{
+ const char *basename;
+ GDir *dir;
+
+ dir = g_dir_open (dirname, 0, NULL);
+
+ if (dir == NULL)
+ return;
+
+ while ((basename = g_dir_read_name (dir)) != NULL)
+ {
+ gchar *filename;
+
+ filename = g_build_filename (dirname, basename, NULL);
+
+ if (g_str_has_suffix (basename, ".desktop"))
+ {
+ gchar *app_name;
+
+ app_name = g_strconcat (prefix, basename, NULL);
+
+ if (*apps == NULL)
+ *apps = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+
+ g_hash_table_insert (*apps, app_name, g_strdup (filename));
+ }
+ else if (g_file_test (filename, G_FILE_TEST_IS_DIR))
+ {
+ gchar *subprefix;
+
+ subprefix = g_strconcat (prefix, basename, "-", NULL);
+ get_apps_from_dir (apps, filename, subprefix);
+ g_free (subprefix);
+ }
+
+ g_free (filename);
+ }
+
+ g_dir_close (dir);
+}
+
+static void
+desktop_file_dir_unindexed_init (DesktopFileDir *dir)
+{
+ get_apps_from_dir (&dir->app_names, dir->path, "");
+}
+
+static GDesktopAppInfo *
+desktop_file_dir_unindexed_get_app (DesktopFileDir *dir,
+ const gchar *desktop_id)
+{
+ const gchar *filename;
+
+ filename = g_hash_table_lookup (dir->app_names, desktop_id);
+
+ if (!filename)
+ return NULL;
+
+ return g_desktop_app_info_new_from_filename (filename);
+}
+
+static void
+desktop_file_dir_unindexed_get_all (DesktopFileDir *dir,
+ GHashTable *apps)
+{
+ GHashTableIter iter;
+ gpointer app_name;
+ gpointer filename;
+
+ if (dir->app_names == NULL)
+ return;
+
+ g_hash_table_iter_init (&iter, dir->app_names);
+ while (g_hash_table_iter_next (&iter, &app_name, &filename))
+ {
+ if (desktop_file_dir_app_name_is_masked (dir, app_name))
+ continue;
+
+ add_to_table_if_appropriate (apps, app_name, g_desktop_app_info_new_from_filename (filename));
+ }
+}
+
+typedef struct _MemoryIndexEntry MemoryIndexEntry;
+typedef GHashTable MemoryIndex;
+
+struct _MemoryIndexEntry
+{
+ const gchar *app_name; /* pointer to the hashtable key */
+ gint match_category;
+ MemoryIndexEntry *next;
+};
+
+static void
+memory_index_entry_free (gpointer data)
+{
+ MemoryIndexEntry *mie = data;
+
+ while (mie)
+ {
+ MemoryIndexEntry *next = mie->next;
+
+ g_slice_free (MemoryIndexEntry, mie);
+ mie = next;
+ }
+}
+
+static void
+memory_index_add_token (MemoryIndex *mi,
+ const gchar *token,
+ gint match_category,
+ const gchar *app_name)
+{
+ MemoryIndexEntry *mie, *first;
+
+ mie = g_slice_new (MemoryIndexEntry);
+ mie->app_name = app_name;
+ mie->match_category = match_category;
+
+ first = g_hash_table_lookup (mi, token);
+
+ if (first)
+ {
+ mie->next = first->next;
+ first->next = mie;
+ }
+ else
+ {
+ mie->next = NULL;
+ g_hash_table_insert (mi, g_strdup (token), mie);
+ }
+}
+
+static void
+memory_index_add_string (MemoryIndex *mi,
+ const gchar *string,
+ gint match_category,
+ const gchar *app_name)
+{
+ gchar **tokens, **alternates;
+ gint i;
+
+ tokens = g_str_tokenize_and_fold (string, NULL, &alternates);
+
+ for (i = 0; tokens[i]; i++)
+ memory_index_add_token (mi, tokens[i], match_category, app_name);
+
+ for (i = 0; alternates[i]; i++)
+ memory_index_add_token (mi, alternates[i], match_category, app_name);
+
+ g_strfreev (alternates);
+ g_strfreev (tokens);
+}
+
+static MemoryIndex *
+memory_index_new (void)
+{
+ return g_hash_table_new_full (g_str_hash, g_str_equal, g_free, memory_index_entry_free);
+}
+
+static void
+desktop_file_dir_unindexed_setup_search (DesktopFileDir *dir)
+{
+ GHashTableIter iter;
+ gpointer app, path;
+
+ dir->memory_index = memory_index_new ();
+
+ /* Nothing to search? */
+ if (dir->app_names == NULL)
+ return;
+
+ g_hash_table_iter_init (&iter, dir->app_names);
+ while (g_hash_table_iter_next (&iter, &app, &path))
+ {
+ GKeyFile *key_file;
+
+ if (desktop_file_dir_app_name_is_masked (dir, app))
+ continue;
+
+ key_file = g_key_file_new ();
+
+ if (g_key_file_load_from_file (key_file, path, G_KEY_FILE_NONE, NULL) &&
+ !g_key_file_get_boolean (key_file, "Desktop Entry", "Hidden", NULL))
+ {
+ /* Index the interesting keys... */
+ gint i;
+
+ for (i = 0; i < G_N_ELEMENTS (desktop_key_match_category); i++)
+ {
+ gchar *value;
+
+ if (!desktop_key_match_category[i])
+ continue;
+
+ value = g_key_file_get_locale_string (key_file, "Desktop Entry", desktop_key_get_name (i), NULL, NULL);
+
+ if (value)
+ memory_index_add_string (dir->memory_index, value, desktop_key_match_category[i], app);
+
+ g_free (value);
+ }
+ }
+
+ g_key_file_free (key_file);
+ }
+}
+
+static void
+desktop_file_dir_unindexed_search (DesktopFileDir *dir,
+ const gchar *search_token)
+{
+ GHashTableIter iter;
+ gpointer key, value;
+
+ if (!dir->memory_index)
+ desktop_file_dir_unindexed_setup_search (dir);
+
+ g_hash_table_iter_init (&iter, dir->memory_index);
+ while (g_hash_table_iter_next (&iter, &key, &value))
+ {
+ MemoryIndexEntry *mie = value;
+
+ if (!g_str_has_prefix (key, search_token))
+ continue;
+
+ while (mie)
+ {
+ add_token_result (mie->app_name, mie->match_category);
+ mie = mie->next;
+ }
+ }
+}
/* DesktopFileDir "API" {{{2 */
g_array_append_val (array, dir);
}
-/* Global setup API {{{2 */
+/*< internal >
+ * desktop_file_dir_reset:
+ * @dir: a #DesktopFileDir
+ *
+ * Cleans up @dir, releasing most resources that it was using.
+ */
+static void
+desktop_file_dir_reset (DesktopFileDir *dir)
+{
+ if (dir->monitor)
+ {
+ g_signal_handlers_disconnect_by_func (dir->monitor, desktop_file_dir_changed, dir);
+ g_object_unref (dir->monitor);
+ dir->monitor = NULL;
+ }
+
+ if (dir->app_names)
+ {
+ g_hash_table_unref (dir->app_names);
+ dir->app_names = NULL;
+ }
+
+ if (dir->memory_index)
+ {
+ g_hash_table_unref (dir->memory_index);
+ dir->memory_index = NULL;
+ }
+
+ dir->is_setup = FALSE;
+}
+/*< internal >
+ * desktop_file_dir_init:
+ * @dir: a #DesktopFileDir
+ *
+ * Does initial setup for @dir
+ *
+ * You should only call this if @dir is not already setup.
+ */
static void
-desktop_file_dirs_refresh (void)
+desktop_file_dir_init (DesktopFileDir *dir)
+{
+ g_assert (!dir->is_setup);
+
+ g_assert (!dir->monitor);
+ dir->monitor = g_local_directory_monitor_new_in_worker (dir->path, G_FILE_MONITOR_NONE, NULL);
+
+ if (dir->monitor)
+ {
+ g_signal_connect (dir->monitor, "changed", G_CALLBACK (desktop_file_dir_changed), dir);
+ g_local_directory_monitor_start (dir->monitor);
+ }
+
+ desktop_file_dir_unindexed_init (dir);
+
+ dir->is_setup = TRUE;
+}
+
+/*< internal >
+ * desktop_file_dir_get_app:
+ * @dir: a DesktopFileDir
+ * @desktop_id: the desktop ID to load
+ *
+ * Creates the #GDesktopAppInfo for the given @desktop_id if it exists
+ * within @dir, even if it is hidden.
+ *
+ * This function does not check if @desktop_id would be masked by a
+ * directory with higher precedence. The caller must do so.
+ */
+static GDesktopAppInfo *
+desktop_file_dir_get_app (DesktopFileDir *dir,
+ const gchar *desktop_id)
+{
+ if (!dir->app_names)
+ return NULL;
+
+ return desktop_file_dir_unindexed_get_app (dir, desktop_id);
+}
+
+/*< internal >
+ * desktop_file_dir_get_all:
+ * @dir: a DesktopFileDir
+ * @apps: a #GHashTable<string, GDesktopAppInfo>
+ *
+ * Loads all desktop files in @dir and adds them to @apps, careful to
+ * ensure we don't add any files masked by a similarly-named file in a
+ * higher-precedence directory.
+ */
+static void
+desktop_file_dir_get_all (DesktopFileDir *dir,
+ GHashTable *apps)
+{
+ desktop_file_dir_unindexed_get_all (dir, apps);
+}
+
+/*< 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.
+ */
+static void
+desktop_file_dir_search (DesktopFileDir *dir,
+ const gchar *search_token)
+{
+ desktop_file_dir_unindexed_search (dir, search_token);
+}
+
+/* Lock/unlock and global setup API {{{2 */
+
+static void
+desktop_file_dirs_lock (void)
{
- if (g_once_init_enter (&desktop_file_dirs))
+ gint i;
+
+ g_mutex_lock (&desktop_file_dir_lock);
+
+ if (desktop_file_dirs == NULL)
{
const char * const *data_dirs;
GArray *tmp;
for (i = 0; data_dirs[i]; i++)
desktop_file_dir_create (tmp, data_dirs[i]);
+ desktop_file_dirs = (DesktopFileDir *) tmp->data;
n_desktop_file_dirs = tmp->len;
- g_once_init_leave (&desktop_file_dirs, (DesktopFileDir *) g_array_free (tmp, FALSE));
+ g_array_free (tmp, FALSE);
}
+
+ for (i = 0; i < n_desktop_file_dirs; i++)
+ if (!desktop_file_dirs[i].is_setup)
+ desktop_file_dir_init (&desktop_file_dirs[i]);
+}
+
+static void
+desktop_file_dirs_unlock (void)
+{
+ g_mutex_unlock (&desktop_file_dir_lock);
+}
+
+static void
+desktop_file_dirs_refresh (void)
+{
+ desktop_file_dirs_lock ();
+ desktop_file_dirs_unlock ();
+}
+
+static void
+desktop_file_dirs_invalidate_user (void)
+{
+ g_mutex_lock (&desktop_file_dir_lock);
+
+ if (n_desktop_file_dirs)
+ desktop_file_dir_reset (&desktop_file_dirs[0]);
+
+ g_mutex_unlock (&desktop_file_dir_lock);
}
/* GDesktopAppInfo implementation {{{1 */
info->path = NULL;
}
- if (bus_activatable)
+ /* Can only be DBusActivatable if we know the filename, which means
+ * that this won't work for the load-from-keyfile case.
+ */
+ if (bus_activatable && info->filename)
{
gchar *basename;
gchar *last_dot;
*
* A desktop file id is the basename of the desktop file, including the
* .desktop extension. GIO is looking for a desktop file with this name
- * in the <filename>applications</filename> subdirectories of the XDG data
- * directories (i.e. the directories specified in the
- * <envar>XDG_DATA_HOME</envar> and <envar>XDG_DATA_DIRS</envar> environment
- * variables). GIO also supports the prefix-to-subdirectory mapping that is
- * described in the <ulink url="http://standards.freedesktop.org/menu-spec/latest/">Menu Spec</ulink>
+ * in the `applications` subdirectories of the XDG
+ * data directories (i.e. the directories specified in the `XDG_DATA_HOME`
+ * and `XDG_DATA_DIRS` environment variables). GIO also supports the
+ * prefix-to-subdirectory mapping that is described in the
+ * [Menu Spec](http://standards.freedesktop.org/menu-spec/latest/)
* (i.e. a desktop id of kde-foo.desktop will match
- * <filename>/usr/share/applications/kde/foo.desktop</filename>).
+ * `/usr/share/applications/kde/foo.desktop`).
*
* Returns: a new #GDesktopAppInfo, or %NULL if no desktop file with that id
*/
GDesktopAppInfo *
g_desktop_app_info_new (const char *desktop_id)
{
- GDesktopAppInfo *appinfo;
- char *basename;
- int i;
+ GDesktopAppInfo *appinfo = NULL;
+ guint i;
- desktop_file_dirs_refresh ();
+ desktop_file_dirs_lock ();
- basename = g_strdup (desktop_id);
-
for (i = 0; i < n_desktop_file_dirs; i++)
{
- const gchar *path = desktop_file_dirs[i].path;
- char *filename;
- char *p;
+ appinfo = desktop_file_dir_get_app (&desktop_file_dirs[i], desktop_id);
- filename = g_build_filename (path, desktop_id, NULL);
- appinfo = g_desktop_app_info_new_from_filename (filename);
- g_free (filename);
- if (appinfo != NULL)
- goto found;
-
- p = basename;
- while ((p = strchr (p, '-')) != NULL)
- {
- *p = '/';
-
- filename = g_build_filename (path, basename, NULL);
- appinfo = g_desktop_app_info_new_from_filename (filename);
- g_free (filename);
- if (appinfo != NULL)
- goto found;
- *p = '-';
- p++;
- }
+ if (appinfo)
+ break;
}
- g_free (basename);
- return NULL;
+ desktop_file_dirs_unlock ();
+
+ if (appinfo == NULL)
+ return NULL;
- found:
- g_free (basename);
-
g_free (appinfo->desktop_id);
appinfo->desktop_id = g_strdup (desktop_id);
*
* Checks if the application info should be shown in menus that list available
* applications for a specific name of the desktop, based on the
- * <literal>OnlyShowIn</literal> and <literal>NotShowIn</literal> keys.
+ * `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.
* %NULL for @desktop_env) as well as additional checks.
*
* Returns: %TRUE if the @info should be shown in @desktop_env according to the
- * <literal>OnlyShowIn</literal> and <literal>NotShowIn</literal> keys, %FALSE
+ * `OnlyShowIn` and `NotShowIn` keys, %FALSE
* otherwise.
*
* Since: 2.30
* g_desktop_app_info_launch_uris_as_manager:
* @appinfo: a #GDesktopAppInfo
* @uris: (element-type utf8): List of URIs
- * @launch_context: a #GAppLaunchContext
+ * @launch_context: (allow-none): a #GAppLaunchContext
* @spawn_flags: #GSpawnFlags, used for each process
- * @user_setup: (scope call): a #GSpawnChildSetupFunc, used once for
- * each process.
- * @user_setup_data: (closure user_setup): User data for @user_setup
- * @pid_callback: (scope call): Callback for child processes
- * @pid_callback_data: (closure pid_callback): User data for @callback
+ * @user_setup: (scope call) (allow-none): a #GSpawnChildSetupFunc, used once
+ * for each process.
+ * @user_setup_data: (closure user_setup) (allow-none): User data for @user_setup
+ * @pid_callback: (scope call) (allow-none): Callback for child processes
+ * @pid_callback_data: (closure pid_callback) (allow-none): User data for @callback
* @error: return location for a #GError, or %NULL
*
* This function performs the equivalent of g_app_info_launch_uris(),
* Sets the name of the desktop that the application is running in.
* This is used by g_app_info_should_show() and
* g_desktop_app_info_get_show_in() to evaluate the
- * <literal>OnlyShowIn</literal> and <literal>NotShowIn</literal>
+ * `OnlyShowIn` and `NotShowIn`
* desktop entry fields.
*
- * The <ulink url="http://standards.freedesktop.org/menu-spec/latest/">Desktop
- * Menu specification</ulink> recognizes the following:
- * <simplelist>
- * <member>GNOME</member>
- * <member>KDE</member>
- * <member>ROX</member>
- * <member>XFCE</member>
- * <member>LXDE</member>
- * <member>Unity</member>
- * <member>Old</member>
- * </simplelist>
+ * 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.
*/
run_update_command ("update-desktop-database", "applications");
+ /* We just dropped a file in the user's desktop file directory. Save
+ * the monitor the bother of having to notice it and invalidate
+ * immediately.
+ *
+ * This means that calls directly following this will be able to see
+ * the results immediately.
+ */
+ desktop_file_dirs_invalidate_user ();
+
return TRUE;
}
* Creates a new #GAppInfo from the given information.
*
* Note that for @commandline, the quoting rules of the Exec key of the
- * <ulink url="http://freedesktop.org/Standards/desktop-entry-spec">freedesktop.org Desktop
- * Entry Specification</ulink> are applied. For example, if the @commandline contains
+ * [freedesktop.org Desktop Entry Specification](http://freedesktop.org/Standards/desktop-entry-spec)
+ * are applied. For example, if the @commandline contains
* percent-encoded URIs, the percent-character must be doubled in order to prevent it from
* being swallowed by Exec key unquoting. See the specification for exact quoting rules.
*
return app_info;
}
-static void
-get_apps_from_dir (GHashTable *apps,
- const char *dirname,
- const char *prefix)
+/* "Get all" API {{{2 */
+
+/**
+ * g_desktop_app_info_search:
+ * @search_string: the search string to use
+ *
+ * Searches desktop files for ones that match @search_string.
+ *
+ * The return value is an array of strvs. Each strv contains a list of
+ * applications that matched @search_string with an equal score. The
+ * outer list is sorted by score so that the first strv contains the
+ * best-matching applications, and so on.
+ * The algorithm for determining matches is undefined and may change at
+ * any time.
+ *
+ * Returns: (array zero-terminated=1) (element-type GStrv) (transfer full): a
+ * list of strvs. Free each item with g_strfreev() and free the outer
+ * list with g_free().
+ */
+gchar ***
+g_desktop_app_info_search (const gchar *search_string)
{
- GDir *dir;
- const char *basename;
- char *filename, *subprefix, *desktop_id;
- gboolean hidden;
- GDesktopAppInfo *appinfo;
-
- dir = g_dir_open (dirname, 0, NULL);
- if (dir)
- {
- while ((basename = g_dir_read_name (dir)) != NULL)
- {
- filename = g_build_filename (dirname, basename, NULL);
- if (g_str_has_suffix (basename, ".desktop"))
- {
- desktop_id = g_strconcat (prefix, basename, NULL);
-
- /* Use _extended so we catch NULLs too (hidden) */
- if (!g_hash_table_lookup_extended (apps, desktop_id, NULL, NULL))
- {
- appinfo = g_desktop_app_info_new_from_filename (filename);
- hidden = FALSE;
-
- if (appinfo && g_desktop_app_info_get_is_hidden (appinfo))
- {
- g_object_unref (appinfo);
- appinfo = NULL;
- hidden = TRUE;
- }
-
- if (appinfo || hidden)
- {
- g_hash_table_insert (apps, g_strdup (desktop_id), appinfo);
-
- if (appinfo)
- {
- /* Reuse instead of strdup here */
- appinfo->desktop_id = desktop_id;
- desktop_id = NULL;
- }
- }
- }
- g_free (desktop_id);
- }
- else
- {
- if (g_file_test (filename, G_FILE_TEST_IS_DIR))
- {
- subprefix = g_strconcat (prefix, basename, "-", NULL);
- get_apps_from_dir (apps, filename, subprefix);
- g_free (subprefix);
- }
- }
- g_free (filename);
- }
- g_dir_close (dir);
+ gchar **search_tokens;
+ gint last_category = -1;
+ gchar ***results;
+ gint n_categories = 0;
+ gint start_of_category;
+ gint i, j;
+
+ search_tokens = g_str_tokenize_and_fold (search_string, NULL, NULL);
+
+ desktop_file_dirs_lock ();
+
+ reset_total_search_results ();
+
+ for (i = 0; i < n_desktop_file_dirs; i++)
+ {
+ for (j = 0; search_tokens[j]; j++)
+ {
+ desktop_file_dir_search (&desktop_file_dirs[i], search_tokens[j]);
+ merge_token_results (j == 0);
+ }
+ merge_directory_results ();
}
-}
-/* "Get all" API {{{2 */
+ sort_total_search_results ();
+
+ /* Count the total number of unique categories */
+ for (i = 0; i < static_total_results_size; i++)
+ if (static_total_results[i].category != last_category)
+ {
+ last_category = static_total_results[i].category;
+ n_categories++;
+ }
+
+ results = g_new (gchar **, n_categories + 1);
+
+ /* Start loading into the results list */
+ start_of_category = 0;
+ for (i = 0; i < n_categories; i++)
+ {
+ gint n_items_in_category = 0;
+ gint this_category;
+ gint j;
+
+ this_category = static_total_results[start_of_category].category;
+
+ while (start_of_category + n_items_in_category < static_total_results_size &&
+ static_total_results[start_of_category + n_items_in_category].category == this_category)
+ n_items_in_category++;
+
+ results[i] = g_new (gchar *, n_items_in_category + 1);
+ for (j = 0; j < n_items_in_category; j++)
+ results[i][j] = g_strdup (static_total_results[start_of_category + j].app_name);
+ results[i][j] = NULL;
+
+ start_of_category += n_items_in_category;
+ }
+ results[i] = NULL;
+
+ desktop_file_dirs_unlock ();
+
+ g_strfreev (search_tokens);
+
+ return results;
+}
/**
* g_app_info_get_all:
* on this system.
*
* For desktop files, this includes applications that have
- * <literal>NoDisplay=true</literal> set or are excluded from
- * display by means of <literal>OnlyShowIn</literal> or
- * <literal>NotShowIn</literal>. See g_app_info_should_show().
+ * `NoDisplay=true` set or are excluded from display by means
+ * of `OnlyShowIn` or `NotShowIn`. See g_app_info_should_show().
* The returned list does not include applications which have
- * the <literal>Hidden</literal> key set.
+ * the `Hidden` key set.
*
- * Returns: (element-type GAppInfo) (transfer full): a newly allocated #GList of references to #GAppInfo<!---->s.
+ * Returns: (element-type GAppInfo) (transfer full): a newly allocated #GList of references to #GAppInfos.
**/
GList *
g_app_info_get_all (void)
int i;
GList *infos;
- desktop_file_dirs_refresh ();
-
- apps = g_hash_table_new_full (g_str_hash, g_str_equal,
- g_free, NULL);
+ apps = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+ desktop_file_dirs_lock ();
for (i = 0; i < n_desktop_file_dirs; i++)
- get_apps_from_dir (apps, desktop_file_dirs[i].path, "");
+ desktop_file_dir_get_all (&desktop_file_dirs[i], apps);
+ desktop_file_dirs_unlock ();
infos = NULL;
g_hash_table_iter_init (&iter, apps);
g_hash_table_destroy (apps);
- return g_list_reverse (infos);
+ return infos;
}
/* Caching of mimeinfo.cache and defaults.list files {{{2 */
*
* Optionally doesn't list the desktop ids given in the @except
*
- * Return value: a #GList containing the desktop ids which claim
+ * Returns: a #GList containing the desktop ids which claim
* to handle @mime_type.
*/
static GList *
*
* Returns: %TRUE if the @key exists
*
- * Since: 2.26
+ * Since: 2.36
*/
gboolean
g_desktop_app_info_has_key (GDesktopAppInfo *info,
projects / platform / upstream / glib.git / blobdiff