2 * Copyright (C) 2005 Red Hat, Inc
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
17 * Author: Alexander Larsson <alexl@redhat.com>
19 * Based on nautilus-search-engine-simple.c
24 /* these must be defined even when HAVE_GNU_FTW is not defined
25 * because (really) old versions of GNU libc have ftw.h but do
26 * export ftw() and friends only if _XOPEN_SOURCE and _GNU_SOURCE
27 * are defined. see bug #444097.
29 #define _XOPEN_SOURCE 600
38 #include "gtksearchenginesimple.h"
39 #include "gtkprivate.h"
43 #define BATCH_SIZE 500
47 GtkSearchEngineSimple *engine;
53 gint n_processed_files;
56 /* accessed on both threads: */
57 volatile gboolean cancelled;
61 struct _GtkSearchEngineSimplePrivate
65 SearchThreadData *active_search;
67 gboolean query_finished;
71 G_DEFINE_TYPE (GtkSearchEngineSimple, _gtk_search_engine_simple, GTK_TYPE_SEARCH_ENGINE);
74 gtk_search_engine_simple_dispose (GObject *object)
76 GtkSearchEngineSimple *simple;
77 GtkSearchEngineSimplePrivate *priv;
79 simple = GTK_SEARCH_ENGINE_SIMPLE (object);
84 g_object_unref (priv->query);
88 if (priv->active_search)
90 priv->active_search->cancelled = TRUE;
91 priv->active_search = NULL;
94 G_OBJECT_CLASS (_gtk_search_engine_simple_parent_class)->dispose (object);
97 static SearchThreadData *
98 search_thread_data_new (GtkSearchEngineSimple *engine,
101 SearchThreadData *data;
102 char *text, *lower, *uri;
104 data = g_new0 (SearchThreadData, 1);
106 data->engine = g_object_ref (engine);
107 uri = _gtk_query_get_location (query);
110 data->path = g_filename_from_uri (uri, NULL, NULL);
113 if (data->path == NULL)
114 data->path = g_strdup (g_get_home_dir ());
116 text = _gtk_query_get_text (query);
117 lower = g_ascii_strdown (text, -1);
118 data->words = g_strsplit (lower, " ", -1);
126 search_thread_data_free (SearchThreadData *data)
128 g_object_unref (data->engine);
130 g_strfreev (data->words);
135 search_thread_done_idle (gpointer user_data)
137 SearchThreadData *data;
141 if (!data->cancelled)
142 _gtk_search_engine_finished (GTK_SEARCH_ENGINE (data->engine));
144 data->engine->priv->active_search = NULL;
145 search_thread_data_free (data);
153 SearchThreadData *thread_data;
158 search_thread_add_hits_idle (gpointer user_data)
164 if (!hits->thread_data->cancelled)
166 _gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (hits->thread_data->engine),
170 g_list_free_full (hits->uris, g_free);
177 send_batch (SearchThreadData *data)
181 data->n_processed_files = 0;
185 hits = g_new (SearchHits, 1);
186 hits->uris = data->uri_hits;
187 hits->thread_data = data;
189 gdk_threads_add_idle (search_thread_add_hits_idle, hits);
192 data->uri_hits = NULL;
195 static GPrivate search_thread_data;
199 search_visit_func (const char *fpath,
200 const struct stat *sb,
204 SearchThreadData *data;
212 data = (SearchThreadData*)g_private_get (&search_thread_data);
219 #endif /* HAVE_GNU_FTW */
221 name = strrchr (fpath, '/');
227 is_hidden = *name == '.';
233 lower_name = g_ascii_strdown (name, -1);
236 for (i = 0; data->words[i] != NULL; i++)
238 if (strstr (lower_name, data->words[i]) == NULL)
249 uri = g_filename_to_uri (fpath, NULL, NULL);
250 data->uri_hits = g_list_prepend (data->uri_hits, uri);
253 data->n_processed_files++;
255 if (data->n_processed_files > BATCH_SIZE)
260 return FTW_SKIP_SUBTREE;
265 #endif /* HAVE_GNU_FTW */
267 #endif /* HAVE_FTW_H */
270 search_thread_func (gpointer user_data)
273 SearchThreadData *data;
277 g_private_set (&search_thread_data, data);
279 nftw (data->path, search_visit_func, 20,
287 gdk_threads_add_idle (search_thread_done_idle, data);
288 #endif /* HAVE_FTW_H */
294 gtk_search_engine_simple_start (GtkSearchEngine *engine)
296 GtkSearchEngineSimple *simple;
297 SearchThreadData *data;
299 simple = GTK_SEARCH_ENGINE_SIMPLE (engine);
301 if (simple->priv->active_search != NULL)
304 if (simple->priv->query == NULL)
307 data = search_thread_data_new (simple, simple->priv->query);
309 g_thread_unref (g_thread_new ("file-search", search_thread_func, data));
311 simple->priv->active_search = data;
315 gtk_search_engine_simple_stop (GtkSearchEngine *engine)
317 GtkSearchEngineSimple *simple;
319 simple = GTK_SEARCH_ENGINE_SIMPLE (engine);
321 if (simple->priv->active_search != NULL)
323 simple->priv->active_search->cancelled = TRUE;
324 simple->priv->active_search = NULL;
329 gtk_search_engine_simple_is_indexed (GtkSearchEngine *engine)
335 gtk_search_engine_simple_set_query (GtkSearchEngine *engine,
338 GtkSearchEngineSimple *simple;
340 simple = GTK_SEARCH_ENGINE_SIMPLE (engine);
343 g_object_ref (query);
345 if (simple->priv->query)
346 g_object_unref (simple->priv->query);
348 simple->priv->query = query;
352 _gtk_search_engine_simple_class_init (GtkSearchEngineSimpleClass *class)
354 GObjectClass *gobject_class;
355 GtkSearchEngineClass *engine_class;
357 gobject_class = G_OBJECT_CLASS (class);
358 gobject_class->dispose = gtk_search_engine_simple_dispose;
360 engine_class = GTK_SEARCH_ENGINE_CLASS (class);
361 engine_class->set_query = gtk_search_engine_simple_set_query;
362 engine_class->start = gtk_search_engine_simple_start;
363 engine_class->stop = gtk_search_engine_simple_stop;
364 engine_class->is_indexed = gtk_search_engine_simple_is_indexed;
366 g_type_class_add_private (gobject_class, sizeof (GtkSearchEngineSimplePrivate));
370 _gtk_search_engine_simple_init (GtkSearchEngineSimple *engine)
372 engine->priv = G_TYPE_INSTANCE_GET_PRIVATE (engine, GTK_TYPE_SEARCH_ENGINE_SIMPLE, GtkSearchEngineSimplePrivate);
376 _gtk_search_engine_simple_new (void)
379 return g_object_new (GTK_TYPE_SEARCH_ENGINE_SIMPLE, NULL);