static void
cursor_callback (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GtkSearchEngineTracker *tracker;
GError *error = NULL;
TrackerSparqlCursor *cursor;
GList *hits;
gboolean success;
gdk_threads_enter ();
tracker = GTK_SEARCH_ENGINE_TRACKER (user_data);
cursor = TRACKER_SPARQL_CURSOR (object);
success = tracker_sparql_cursor_next_finish (cursor, result, &error);
if (error)
{
_gtk_search_engine_error (GTK_SEARCH_ENGINE (tracker), error->message);
g_error_free (error);
if (cursor)
g_object_unref (cursor);
gdk_threads_leave ();
return;
}
if (!success)
{
_gtk_search_engine_finished (GTK_SEARCH_ENGINE (tracker));
if (cursor)
g_object_unref (cursor);
gdk_threads_leave ();
return;
}
/* We iterate result by result, not n at a time. */
hits = g_list_append (NULL, (gchar*) tracker_sparql_cursor_get_string (cursor, 0, NULL));
_gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (tracker), hits);
g_list_free (hits);
/* Get next */
cursor_next (tracker, cursor);
gdk_threads_leave ();
}
static void
search_callback (gchar **results,
GError *error,
gpointer user_data)
{
GtkSearchEngineTracker *tracker;
gchar **results_p;
GList *hit_uris;
tracker = GTK_SEARCH_ENGINE_TRACKER (user_data);
hit_uris = NULL;
tracker->priv->query_pending = FALSE;
if (error)
{
_gtk_search_engine_error ( GTK_SEARCH_ENGINE (tracker), error->message);
g_error_free (error);
return;
}
if (!results)
return;
for (results_p = results; *results_p; results_p++)
{
gchar *uri;
if (tracker->priv->version == TRACKER_0_6)
uri = g_filename_to_uri (*results_p, NULL, NULL);
else
uri = *results_p;
if (uri)
hit_uris = g_list_prepend (hit_uris, uri);
}
_gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (tracker), hit_uris);
_gtk_search_engine_finished (GTK_SEARCH_ENGINE (tracker));
g_strfreev (results);
if (tracker->priv->version == TRACKER_0_6)
g_list_foreach (hit_uris, (GFunc)g_free, NULL);
g_list_free (hit_uris);
}
static void
query_callback (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GtkSearchEngineTracker *tracker;
TrackerSparqlConnection *connection;
TrackerSparqlCursor *cursor;
GError *error = NULL;
gdk_threads_enter ();
tracker = GTK_SEARCH_ENGINE_TRACKER (user_data);
tracker->priv->query_pending = FALSE;
connection = TRACKER_SPARQL_CONNECTION (object);
cursor = tracker_sparql_connection_query_finish (connection,
result,
&error);
g_debug ("Query returned cursor:%p", cursor);
if (error)
{
_gtk_search_engine_error (GTK_SEARCH_ENGINE (tracker), error->message);
g_error_free (error);
gdk_threads_leave ();
return;
}
if (!cursor)
{
_gtk_search_engine_finished (GTK_SEARCH_ENGINE (tracker));
gdk_threads_leave ();
return;
}
cursor_next (tracker, cursor);
gdk_threads_leave ();
}
static void
finalize (GObject *object)
{
GtkSearchEngine *engine = GTK_SEARCH_ENGINE (object);
g_clear_object (&engine->priv->native);
g_free (engine->priv->native_error);
g_clear_object (&engine->priv->simple);
g_free (engine->priv->simple_error);
g_clear_pointer (&engine->priv->hits, g_hash_table_unref);
G_OBJECT_CLASS (_gtk_search_engine_parent_class)->finalize (object);
}
static gboolean
search_thread_done_idle (gpointer user_data)
{
SearchThreadData *data;
data = user_data;
if (!data->cancelled)
_gtk_search_engine_finished (GTK_SEARCH_ENGINE (data->engine));
data->engine->priv->active_search = NULL;
search_thread_data_free (data);
return FALSE;
}
static gboolean
search_thread_add_hits_idle (gpointer user_data)
{
SearchHits *hits;
hits = user_data;
if (!hits->thread_data->cancelled)
{
_gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (hits->thread_data->engine),
hits->uris);
}
g_list_free_full (hits->uris, g_free);
g_free (hits);
return FALSE;
}
