+++ /dev/null
-/*
- * Copyright (C) 2005 Novell, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * 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,
- *
- * Author: Anders Carlsson <andersca@imendio.com>
- *
- * Based on nautilus-search-engine-beagle.c
- */
-
-#include "config.h"
-#include <gmodule.h>
-#include "gtksearchenginebeagle.h"
-
-#if 0
-#include <beagle/beagle.h>
-#endif
-
-/* We dlopen() all the following from libbeagle at runtime */
-
-typedef struct _BeagleHit BeagleHit;
-typedef struct _BeagleQuery BeagleQuery;
-typedef struct _BeagleClient BeagleClient;
-typedef struct _BeagleRequest BeagleRequest;
-typedef struct _BeagleFinishedResponse BeagleFinishedResponse;
-typedef struct _BeagleHitsAddedResponse BeagleHitsAddedResponse;
-typedef struct _BeagleHitsSubtractedResponse BeagleHitsSubtractedResponse;
-typedef struct _BeagleQueryPartProperty BeagleQueryPartProperty;
-typedef struct _BeagleQueryPart BeagleQueryPart;
-
-#define BEAGLE_HIT(x) ((BeagleHit *)(x))
-#define BEAGLE_REQUEST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), beagle_request_get_type(), BeagleRequest))
-#define BEAGLE_QUERY_PART(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), beagle_query_part_get_type(), BeagleQueryPart))
-
-typedef enum
-{
- BEAGLE_QUERY_PART_LOGIC_REQUIRED = 1,
- BEAGLE_QUERY_PART_LOGIC_PROHIBITED = 2
-} BeagleQueryPartLogic;
-
-typedef enum
- {
- BEAGLE_PROPERTY_TYPE_UNKNOWN = 0,
- BEAGLE_PROPERTY_TYPE_TEXT = 1,
- BEAGLE_PROPERTY_TYPE_KEYWORD = 2,
- BEAGLE_PROPERTY_TYPE_DATE = 3,
- BEAGLE_PROPERTY_TYPE_LAST = 4
-} BeaglePropertyType;
-
-/* *static* wrapper function pointers */
-static gboolean (*beagle_client_send_request_async) (BeagleClient *client,
- BeagleRequest *request,
- GError **err) = NULL;
-static const char *(*beagle_hit_get_uri) (BeagleHit *hit) = NULL;
-static GSList *(*beagle_hits_added_response_get_hits) (BeagleHitsAddedResponse *response) = NULL;
-static GSList *(*beagle_hits_subtracted_response_get_uris) (BeagleHitsSubtractedResponse *response) = NULL;
-static BeagleQuery *(*beagle_query_new) (void) = NULL;
-static void (*beagle_query_add_text) (BeagleQuery *query,
- const char *str) = NULL;
-static void (*beagle_query_set_max_hits) (BeagleQuery *query,
- gint max_hits) = NULL;
-static BeagleQueryPartProperty *(*beagle_query_part_property_new) (void) = NULL;
-static void (*beagle_query_part_set_logic) (BeagleQueryPart *part,
- BeagleQueryPartLogic logic) = NULL;
-static void (*beagle_query_part_property_set_key) (BeagleQueryPartProperty *part,
- const char *key) = NULL;
-static void (*beagle_query_part_property_set_value) (BeagleQueryPartProperty *part,
- const char * value) = NULL;
-static void (*beagle_query_part_property_set_property_type) (BeagleQueryPartProperty *part,
- BeaglePropertyType prop_type) = NULL;
-static void (*beagle_query_add_part) (BeagleQuery *query,
- BeagleQueryPart *part) = NULL;
-static GType (*beagle_request_get_type) (void) = NULL;
-static GType (*beagle_query_part_get_type) (void) = NULL;
-static gboolean (*beagle_util_daemon_is_running) (void) = NULL;
-static BeagleClient *(*beagle_client_new) (const char *client_name) = NULL;
-
-static struct BeagleDlMapping
-{
- const char *fn_name;
- gpointer *fn_ptr_ref;
-} beagle_dl_mapping[] =
-{
-#define MAP(a) { #a, (gpointer *)&a }
- MAP (beagle_client_send_request_async),
- MAP (beagle_hit_get_uri),
- MAP (beagle_hits_added_response_get_hits),
- MAP (beagle_hits_subtracted_response_get_uris),
- MAP (beagle_query_new),
- MAP (beagle_query_add_text),
- MAP (beagle_query_set_max_hits),
- MAP (beagle_query_part_property_new),
- MAP (beagle_query_part_set_logic),
- MAP (beagle_query_part_property_set_key),
- MAP (beagle_query_part_property_set_value),
- MAP (beagle_query_part_property_set_property_type),
- MAP (beagle_query_add_part),
- MAP (beagle_request_get_type),
- MAP (beagle_query_part_get_type),
- MAP (beagle_util_daemon_is_running),
- MAP (beagle_client_new)
-#undef MAP
-};
-
-static void
-open_libbeagle (void)
-{
- static gboolean done = FALSE;
-
- if (!done)
- {
- int i;
- GModule *beagle;
-
- done = TRUE;
-
- beagle = g_module_open ("libbeagle.so.1", G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
- if (!beagle)
- beagle = g_module_open ("libbeagle.so.0", G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
-
- if (!beagle)
- return;
-
- for (i = 0; i < G_N_ELEMENTS (beagle_dl_mapping); i++)
- {
- if (!g_module_symbol (beagle, beagle_dl_mapping[i].fn_name,
- beagle_dl_mapping[i].fn_ptr_ref))
- {
- g_warning ("Missing symbol '%s' in libbeagle\n",
- beagle_dl_mapping[i].fn_name);
- g_module_close (beagle);
-
- for (i = 0; i < G_N_ELEMENTS (beagle_dl_mapping); i++)
- beagle_dl_mapping[i].fn_ptr_ref = NULL;
-
- return;
- }
- }
- }
-}
-
-
-struct _GtkSearchEngineBeaglePrivate
-{
- BeagleClient *client;
- GtkQuery *query;
-
- BeagleQuery *current_query;
- char *current_query_uri_prefix;
- gboolean query_finished;
-};
-
-
-G_DEFINE_TYPE (GtkSearchEngineBeagle, _gtk_search_engine_beagle, GTK_TYPE_SEARCH_ENGINE);
-
-static void
-finalize (GObject *object)
-{
- GtkSearchEngineBeagle *beagle;
-
- beagle = GTK_SEARCH_ENGINE_BEAGLE (object);
-
- if (beagle->priv->current_query)
- {
- g_object_unref (beagle->priv->current_query);
- beagle->priv->current_query = NULL;
- g_free (beagle->priv->current_query_uri_prefix);
- beagle->priv->current_query_uri_prefix = NULL;
- }
-
- if (beagle->priv->query)
- {
- g_object_unref (beagle->priv->query);
- beagle->priv->query = NULL;
- }
-
- if (beagle->priv->client)
- {
- g_object_unref (beagle->priv->client);
- beagle->priv->client = NULL;
- }
-
- G_OBJECT_CLASS (_gtk_search_engine_beagle_parent_class)->finalize (object);
-}
-
-static void
-beagle_hits_added (BeagleQuery *query,
- BeagleHitsAddedResponse *response,
- GtkSearchEngineBeagle *engine)
-{
- GSList *hits, *list;
- GList *hit_uris;
- const gchar *uri;
-
- hit_uris = NULL;
-
- hits = beagle_hits_added_response_get_hits (response);
-
- for (list = hits; list != NULL; list = list->next)
- {
- BeagleHit *hit = BEAGLE_HIT (list->data);
-
- uri = beagle_hit_get_uri (hit);
-
- if (engine->priv->current_query_uri_prefix &&
- !g_str_has_prefix (uri, engine->priv->current_query_uri_prefix))
- continue;
-
- hit_uris = g_list_prepend (hit_uris, (char *)uri);
- }
-
- _gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (engine), hit_uris);
- g_list_free (hit_uris);
-}
-
-static void
-beagle_hits_subtracted (BeagleQuery *query,
- BeagleHitsSubtractedResponse *response,
- GtkSearchEngineBeagle *engine)
-{
- GSList *uris, *list;
- GList *hit_uris;
-
- hit_uris = NULL;
-
- uris = beagle_hits_subtracted_response_get_uris (response);
-
- for (list = uris; list != NULL; list = list->next)
- {
- hit_uris = g_list_prepend (hit_uris, (char *)list->data);
- }
-
- _gtk_search_engine_hits_subtracted (GTK_SEARCH_ENGINE (engine), hit_uris);
- g_list_free (hit_uris);
-}
-
-static void
-beagle_finished (BeagleQuery *query,
- BeagleFinishedResponse *response,
- GtkSearchEngineBeagle *engine)
-{
- /* For some reason we keep getting finished events,
- * only emit finished once */
- if (engine->priv->query_finished)
- return;
-
- engine->priv->query_finished = TRUE;
- _gtk_search_engine_finished (GTK_SEARCH_ENGINE (engine));
-}
-
-static void
-beagle_error (BeagleQuery *query,
- GError *error,
- GtkSearchEngineBeagle *engine)
-{
- _gtk_search_engine_error (GTK_SEARCH_ENGINE (engine), error->message);
-}
-
-static void
-gtk_search_engine_beagle_start (GtkSearchEngine *engine)
-{
- GtkSearchEngineBeagle *beagle;
- GError *error;
- gchar *text;
- gchar *query;
-
- error = NULL;
- beagle = GTK_SEARCH_ENGINE_BEAGLE (engine);
-
- g_return_if_fail (beagle->priv->query != NULL);
-
- if (beagle->priv->current_query)
- return;
-
- beagle->priv->query_finished = FALSE;
- beagle->priv->current_query = beagle_query_new ();
- g_signal_connect (beagle->priv->current_query,
- "hits-added", G_CALLBACK (beagle_hits_added), engine);
- g_signal_connect (beagle->priv->current_query,
- "hits-subtracted", G_CALLBACK (beagle_hits_subtracted), engine);
- g_signal_connect (beagle->priv->current_query,
- "finished", G_CALLBACK (beagle_finished), engine);
- g_signal_connect (beagle->priv->current_query,
- "error", G_CALLBACK (beagle_error), engine);
-
- /* We only want files */
-
-
- text = _gtk_query_get_text (beagle->priv->query);
- query = g_strconcat (text, " type:File", NULL);
-
- beagle_query_set_max_hits (beagle->priv->current_query, 1000);
- beagle_query_add_text (beagle->priv->current_query, query);
-
- beagle->priv->current_query_uri_prefix = _gtk_query_get_location (beagle->priv->query);
-
- if (!beagle_client_send_request_async (beagle->priv->client,
- BEAGLE_REQUEST (beagle->priv->current_query), &error))
- {
- _gtk_search_engine_error (engine, error->message);
- g_error_free (error);
- }
-
- /* These must live during the lifetime of the query */
- g_free (text);
- g_free (query);
-}
-
-static void
-gtk_search_engine_beagle_stop (GtkSearchEngine *engine)
-{
- GtkSearchEngineBeagle *beagle;
-
- beagle = GTK_SEARCH_ENGINE_BEAGLE (engine);
-
- if (beagle->priv->current_query)
- {
- g_object_unref (beagle->priv->current_query);
- beagle->priv->current_query = NULL;
-
- g_free (beagle->priv->current_query_uri_prefix);
- beagle->priv->current_query_uri_prefix = NULL;
- }
-}
-
-static gboolean
-gtk_search_engine_beagle_is_indexed (GtkSearchEngine *engine)
-{
- return TRUE;
-}
-
-static void
-gtk_search_engine_beagle_set_query (GtkSearchEngine *engine,
- GtkQuery *query)
-{
- GtkSearchEngineBeagle *beagle;
-
- beagle = GTK_SEARCH_ENGINE_BEAGLE (engine);
-
- if (query)
- g_object_ref (query);
-
- if (beagle->priv->query)
- g_object_unref (beagle->priv->query);
-
- beagle->priv->query = query;
-}
-
-static void
-_gtk_search_engine_beagle_class_init (GtkSearchEngineBeagleClass *class)
-{
- GObjectClass *gobject_class;
- GtkSearchEngineClass *engine_class;
-
- gobject_class = G_OBJECT_CLASS (class);
- gobject_class->finalize = finalize;
-
- engine_class = GTK_SEARCH_ENGINE_CLASS (class);
- engine_class->set_query = gtk_search_engine_beagle_set_query;
- engine_class->start = gtk_search_engine_beagle_start;
- engine_class->stop = gtk_search_engine_beagle_stop;
- engine_class->is_indexed = gtk_search_engine_beagle_is_indexed;
-
- g_type_class_add_private (gobject_class, sizeof (GtkSearchEngineBeaglePrivate));
-}
-
-static void
-_gtk_search_engine_beagle_init (GtkSearchEngineBeagle *engine)
-{
- engine->priv = G_TYPE_INSTANCE_GET_PRIVATE (engine, GTK_TYPE_SEARCH_ENGINE_BEAGLE, GtkSearchEngineBeaglePrivate);
-}
-
-
-GtkSearchEngine *
-_gtk_search_engine_beagle_new (void)
-{
- GtkSearchEngineBeagle *engine;
- BeagleClient *client;
-
- open_libbeagle ();
-
- if (!beagle_util_daemon_is_running)
- return NULL;
-
- /* check whether daemon is running as beagle_client_new
- * doesn't fail when a stale socket file exists */
- if (!beagle_util_daemon_is_running ())
- return NULL;
-
- client = beagle_client_new (NULL);
-
- if (client == NULL)
- return NULL;
-
- engine = g_object_new (GTK_TYPE_SEARCH_ENGINE_BEAGLE, NULL);
-
- engine->priv->client = client;
-
- return GTK_SEARCH_ENGINE (engine);
-}
projects / ~andy / gtk / commitdiff