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* libnautilus-private/nautilus-search-engine-tracker.c: (nautilus_search_engine_tracker_new): Check that tracker is actually running before using it (#386512). Patch by Josselin Mouette. svn path=/trunk/; revision=13955
285 lines
6.8 KiB
C
285 lines
6.8 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/*
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* Copyright (C) 2005 Mr Jamie McCracken
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*
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* Nautilus is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* Nautilus is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; see the file COPYING. If not,
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* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Jamie McCracken <jamiemcc@gnome.org>
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*
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*/
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#include <config.h>
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#include "nautilus-search-engine-tracker.h"
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#include <tracker.h>
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#include <eel/eel-gtk-macros.h>
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#include <eel/eel-glib-extensions.h>
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struct NautilusSearchEngineTrackerDetails {
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NautilusQuery *query;
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TrackerClient *client;
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gboolean query_pending;
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};
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static void nautilus_search_engine_tracker_class_init (NautilusSearchEngineTrackerClass *class);
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static void nautilus_search_engine_tracker_init (NautilusSearchEngineTracker *engine);
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G_DEFINE_TYPE (NautilusSearchEngineTracker,
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nautilus_search_engine_tracker,
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NAUTILUS_TYPE_SEARCH_ENGINE);
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static NautilusSearchEngineClass *parent_class = NULL;
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static void
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finalize (GObject *object)
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{
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NautilusSearchEngineTracker *tracker;
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tracker = NAUTILUS_SEARCH_ENGINE_TRACKER (object);
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if (tracker->details->query) {
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g_object_unref (tracker->details->query);
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tracker->details->query = NULL;
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}
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tracker_disconnect (tracker->details->client);
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g_free (tracker->details);
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EEL_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
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}
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static void
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search_callback (char **results, GError *error, gpointer user_data)
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{
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NautilusSearchEngineTracker *tracker;
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char **results_p;
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GList *hit_uris;
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tracker = NAUTILUS_SEARCH_ENGINE_TRACKER (user_data);
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hit_uris = NULL;
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tracker->details->query_pending = FALSE;
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if (error) {
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nautilus_search_engine_error ( NAUTILUS_SEARCH_ENGINE (tracker), error->message);
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g_error_free (error);
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return;
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}
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if (!results) {
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return;
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}
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for (results_p = results; *results_p; results_p++) {
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char *uri;
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uri = g_filename_to_uri ((char *)*results_p, NULL, NULL);
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if (uri) {
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hit_uris = g_list_prepend (hit_uris, (char *)uri);
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}
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}
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nautilus_search_engine_hits_added (NAUTILUS_SEARCH_ENGINE (tracker), hit_uris);
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nautilus_search_engine_finished (NAUTILUS_SEARCH_ENGINE (tracker));
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g_strfreev (results);
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eel_g_list_free_deep (hit_uris);
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}
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static void
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nautilus_search_engine_tracker_start (NautilusSearchEngine *engine)
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{
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NautilusSearchEngineTracker *tracker;
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GList *mimetypes, *l;
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char *search_text, *location, *location_uri;
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char **mimes;
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int i, mime_count;
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tracker = NAUTILUS_SEARCH_ENGINE_TRACKER (engine);
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if (tracker->details->query_pending) {
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return;
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}
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if (tracker->details->query == NULL) {
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return;
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}
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search_text = nautilus_query_get_text (tracker->details->query);
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mimetypes = nautilus_query_get_mime_types (tracker->details->query);
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location_uri = nautilus_query_get_location (tracker->details->query);
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if (location_uri) {
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location = g_filename_from_uri (location_uri, NULL, NULL);
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g_free (location_uri);
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} else {
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location = NULL;
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}
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mime_count = g_list_length (mimetypes);
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i = 0;
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/* convert list into array */
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if (mime_count > 0) {
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mimes = g_new (char *, (mime_count + 1));
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for (l = mimetypes; l != NULL; l = l->next) {
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mimes[i] = g_strdup (l->data);
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i++;
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}
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mimes[mime_count] = NULL;
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if (location) {
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tracker_search_metadata_by_text_and_mime_and_location_async (tracker->details->client,
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search_text, (const char **)mimes, location,
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search_callback,
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tracker);
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g_free (location);
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} else {
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tracker_search_metadata_by_text_and_mime_async (tracker->details->client,
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search_text, (const char**)mimes,
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search_callback,
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tracker);
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}
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g_strfreev (mimes);
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} else {
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if (location) {
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tracker_search_metadata_by_text_and_location_async (tracker->details->client,
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search_text,
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location,
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search_callback,
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tracker);
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g_free (location);
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} else {
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tracker_search_metadata_by_text_async (tracker->details->client,
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search_text,
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search_callback,
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tracker);
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}
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}
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tracker->details->query_pending = TRUE;
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g_free (search_text);
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eel_g_list_free_deep (mimetypes);
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}
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static void
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nautilus_search_engine_tracker_stop (NautilusSearchEngine *engine)
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{
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NautilusSearchEngineTracker *tracker;
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tracker = NAUTILUS_SEARCH_ENGINE_TRACKER (engine);
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if (tracker->details->query && tracker->details->query_pending) {
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tracker_cancel_last_call (tracker->details->client);
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tracker->details->query_pending = FALSE;
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}
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}
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static gboolean
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nautilus_search_engine_tracker_is_indexed (NautilusSearchEngine *engine)
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{
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return TRUE;
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}
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static void
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nautilus_search_engine_tracker_set_query (NautilusSearchEngine *engine, NautilusQuery *query)
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{
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NautilusSearchEngineTracker *tracker;
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tracker = NAUTILUS_SEARCH_ENGINE_TRACKER (engine);
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if (query) {
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g_object_ref (query);
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}
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if (tracker->details->query) {
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g_object_unref (tracker->details->query);
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}
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tracker->details->query = query;
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}
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static void
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nautilus_search_engine_tracker_class_init (NautilusSearchEngineTrackerClass *class)
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{
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GObjectClass *gobject_class;
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NautilusSearchEngineClass *engine_class;
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parent_class = g_type_class_peek_parent (class);
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gobject_class = G_OBJECT_CLASS (class);
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gobject_class->finalize = finalize;
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engine_class = NAUTILUS_SEARCH_ENGINE_CLASS (class);
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engine_class->set_query = nautilus_search_engine_tracker_set_query;
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engine_class->start = nautilus_search_engine_tracker_start;
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engine_class->stop = nautilus_search_engine_tracker_stop;
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engine_class->is_indexed = nautilus_search_engine_tracker_is_indexed;
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}
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static void
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nautilus_search_engine_tracker_init (NautilusSearchEngineTracker *engine)
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{
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engine->details = g_new0 (NautilusSearchEngineTrackerDetails, 1);
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}
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NautilusSearchEngine *
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nautilus_search_engine_tracker_new (void)
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{
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NautilusSearchEngineTracker *engine;
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TrackerClient *tracker_client;
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GError *err = NULL;
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tracker_client = tracker_connect (FALSE);
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if (!tracker_client) {
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return NULL;
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}
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tracker_get_version (tracker_client, &err);
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if (err != NULL) {
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g_error_free (err);
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tracker_disconnect (tracker_client);
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return NULL;
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}
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engine = g_object_new (NAUTILUS_TYPE_SEARCH_ENGINE_TRACKER, NULL);
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engine->details->client = tracker_client;
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engine->details->query_pending = FALSE;
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return NAUTILUS_SEARCH_ENGINE (engine);
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}
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