File gtk2-tracker-0.10.patch of Package gtk2

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File gtk2-tracker-0.10.patch of Package gtk2 (Revision 37420b63e4a48633ee88e01525b73216)

Currently displaying revision 37420b63e4a48633ee88e01525b73216 , Show latest

commit bb87eada6ba87a9eb398289ff8558898169f1a3d
Author: Martyn Russell <martyn@lanedo.com>
Date:   Tue Dec 7 12:15:42 2010 +0000

gtksearchenginetracker: Update to work with libtracker-sparql
    
    libtracker-sparql is available in Tracker 0.9/0.10

diff --git a/gtk/gtksearchenginetracker.c b/gtk/gtksearchenginetracker.c
index e46691a..ad9ff7f 100644
--- a/gtk/gtksearchenginetracker.c
+++ b/gtk/gtksearchenginetracker.c
@@ -1,5 +1,4 @@
 /*
- * Copyright (C) 2005 Jamie McCracken <jamiemcc@gnome.org>
  * Copyright (C) 2009-2010 Nokia <ivan.frade@nokia.com>
  *
  * This library is free software; you can redistribute it and/or
@@ -16,166 +15,146 @@
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  *
- * Authors: Jamie McCracken <jamiemcc@gnome.org>
- *          Jürg Billeter <juerg.billeter@codethink.co.uk>
+ * Authors: Jürg Billeter <juerg.billeter@codethink.co.uk>
  *          Martyn Russell <martyn@lanedo.com>
  *
  * Based on nautilus-search-engine-tracker.c
  */
 
 #include "config.h"

-#include "gtksearchenginetracker.h"

#include <gmodule.h>
 #include <gdk/gdk.h>
 
-/* we dlopen() libtracker at runtime */
+#include <gio/gio.h>
 
-typedef struct _TrackerClient TrackerClient;
+#include "gtksearchenginetracker.h"
 
-typedef enum
-{
-  TRACKER_UNAVAILABLE = 0,
-  TRACKER_0_6 = 1 << 0,
-  TRACKER_0_7 = 1 << 1,
-  TRACKER_0_8 = 1 << 2,
-  TRACKER_0_9 = 1 << 3
-} TrackerVersion;
-
-
-/* Tracker 0.6 API */
-typedef void (*TrackerArrayReply) (char **result,
-				   GError *error,
-				   gpointer user_data);
-
-static TrackerClient *
-            (*tracker_connect)                                    (gboolean           enable_warnings,
-		                                                   gint               timeout)   = NULL;
-static void (*tracker_disconnect)                                 (TrackerClient     *client)    = NULL;
-static int  (*tracker_get_version)                                (TrackerClient     *client,
-								   GError           **error)     = NULL;
-static void (*tracker_cancel_last_call)                           (TrackerClient     *client)    = NULL;
-
-static void (*tracker_search_metadata_by_text_async)              (TrackerClient     *client,
-								   const char        *query,
-								   TrackerArrayReply  callback,
-								   gpointer           user_data) = NULL;
-static void (*tracker_search_metadata_by_text_and_location_async) (TrackerClient     *client,
-								   const char        *query,
-								   const char        *location,
-								   TrackerArrayReply  callback,
-								   gpointer           user_data) = NULL;
-
-
-/* Tracker 0.7->0.9 API */
-typedef enum {
-	TRACKER_CLIENT_ENABLE_WARNINGS = 1 << 0
-} TrackerClientFlags;
-
-typedef void (*TrackerReplyGPtrArray) (GPtrArray *result,
-				       GError    *error,
-				       gpointer   user_data);
-
-static TrackerClient *	(*tracker_client_new)                    (TrackerClientFlags      flags,
-								  gint                    timeout)   = NULL;
-static gchar *		(*tracker_sparql_escape)		 (const gchar            *str)       = NULL;
-static guint		(*tracker_resources_sparql_query_async)	 (TrackerClient          *client,
-								  const gchar            *query,
-								  TrackerReplyGPtrArray   callback,
-								  gpointer                user_data) = NULL;
-
-
-static struct TrackerDlMapping
-{
-  const char *fn_name;
-  gpointer *fn_ptr_ref;
-  TrackerVersion versions;
-} tracker_dl_mapping[] =
+/* If defined, we use fts:match, this has to be enabled in Tracker to
+ * work which it usually is. The alternative is to undefine it and
+ * use filename matching instead. This doesn't use the content of the
+ * file however.
+ */
+#undef FTS_MATCHING
+
+#define MODULE_FILENAME "libtracker-sparql-0.10.so.0"
+
+#define MODULE_MAP(a)   { #a, (gpointer *)&a }
+
+/* Connection object */
+typedef struct _TrackerSparqlConnection TrackerSparqlConnection;
+
+#define TRACKER_SPARQL_TYPE_CONNECTION (tracker_sparql_connection_get_type ())
+#define TRACKER_SPARQL_CONNECTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TRACKER_SPARQL_TYPE_CONNECTION, TrackerSparqlConnection))
+
+/* Cursor object */
+typedef struct _TrackerSparqlCursor TrackerSparqlCursor;
+
+#define TRACKER_SPARQL_TYPE_CURSOR (tracker_sparql_cursor_get_type ())
+#define TRACKER_SPARQL_CURSOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TRACKER_SPARQL_TYPE_CURSOR, TrackerSparqlCursor))
+
+/* API */
+static GType                     (*tracker_sparql_connection_get_type)     (void) = NULL;
+static TrackerSparqlConnection * (*tracker_sparql_connection_get)          (GCancellable             *cancellable,
+                                                                            GError                  **error) = NULL;
+static void                      (*tracker_sparql_connection_query_async)  (TrackerSparqlConnection  *self,
+                                                                            const gchar              *sparql,
+                                                                            GCancellable             *cancellable,
+                                                                            GAsyncReadyCallback       callback,
+                                                                            gpointer                  user_data) = NULL;
+static TrackerSparqlCursor *     (*tracker_sparql_connection_query_finish) (TrackerSparqlConnection  *self,
+                                                                            GAsyncResult             *_res_,
+                                                                            GError                  **error) = NULL;
+static GType                     (*tracker_sparql_cursor_get_type)         (void) = NULL;
+static void                      (*tracker_sparql_cursor_next_async)       (TrackerSparqlCursor      *self,
+                                                                            GCancellable             *cancellable,
+                                                                            GAsyncReadyCallback       callback,
+                                                                            gpointer                  user_data) = NULL;
+static gboolean                  (*tracker_sparql_cursor_next_finish)      (TrackerSparqlCursor      *self,
+                                                                            GAsyncResult             *_res_,
+                                                                            GError                  **error) = NULL;
+static const gchar *             (*tracker_sparql_cursor_get_string)       (TrackerSparqlCursor      *self,
+                                                                            gint                     *column,
+                                                                            glong                    *length) = NULL;
+static gchar *                   (*tracker_sparql_escape_string)           (const gchar              *literal) = NULL;
+
+static struct TrackerFunctions
 {
-#define MAP(a,v) { #a, (gpointer *)&a, v }
-  MAP (tracker_connect, TRACKER_0_6 | TRACKER_0_7),
-  MAP (tracker_disconnect, TRACKER_0_6 | TRACKER_0_7),
-  MAP (tracker_get_version, TRACKER_0_6),
-  MAP (tracker_cancel_last_call, TRACKER_0_6 | TRACKER_0_7 | TRACKER_0_8 | TRACKER_0_9),
-  MAP (tracker_search_metadata_by_text_async, TRACKER_0_6 | TRACKER_0_7),
-  MAP (tracker_search_metadata_by_text_and_location_async, TRACKER_0_6 | TRACKER_0_7),
-  MAP (tracker_client_new, TRACKER_0_8 | TRACKER_0_9),
-  MAP (tracker_sparql_escape, TRACKER_0_8 | TRACKER_0_9),
-  MAP (tracker_resources_sparql_query_async, TRACKER_0_8 | TRACKER_0_9)
-#undef MAP
+	const char *name;
+	gpointer *pointer;
+} funcs[] = {
+	MODULE_MAP (tracker_sparql_connection_get_type),
+	MODULE_MAP (tracker_sparql_connection_get),
+	MODULE_MAP (tracker_sparql_connection_query_async),
+	MODULE_MAP (tracker_sparql_connection_query_finish),
+	MODULE_MAP (tracker_sparql_cursor_get_type),
+	MODULE_MAP (tracker_sparql_cursor_next_async),
+	MODULE_MAP (tracker_sparql_cursor_next_finish),
+	MODULE_MAP (tracker_sparql_cursor_get_string),
+	MODULE_MAP (tracker_sparql_escape_string)
 };
 
-static TrackerVersion
-open_libtracker (void)
+static gboolean
+init (void)
 {
-  static gboolean done = FALSE;
-  static TrackerVersion version = TRACKER_UNAVAILABLE;
-
-  if (!done)
-    {
-      gint i;
-      GModule *tracker;
-      GModuleFlags flags;
-
-      done = TRUE;
-      flags = G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL;
-
-      /* So this is the order:
-       *
-       * - 0.9 (latest unstable)
-       * - 0.8 (stable)
-       * - 0.7 (unstable, 0.6 sucks so badly)
-       * - 0.6 (stable)
-       */
-      if ((tracker = g_module_open ("libtracker-client-0.9.so.0", flags)) != NULL)
-	version = TRACKER_0_9;
-      else if ((tracker = g_module_open ("libtracker-client-0.8.so.0", flags)) != NULL)
-	version = TRACKER_0_8;
-      else if ((tracker = g_module_open ("libtracker-client-0.7.so.0", flags)) != NULL)
-	version = TRACKER_0_7;
-      else if ((tracker = g_module_open ("libtrackerclient.so.0", flags)) != NULL)
-	version = TRACKER_0_6;
-      else
-	{
-	  g_debug ("No tracker backend available");
-	  return TRACKER_UNAVAILABLE;
-	}
-
-      for (i = 0; i < G_N_ELEMENTS (tracker_dl_mapping); i++)
-	{
-	  if ((tracker_dl_mapping[i].versions & version) == 0)
-	    continue;
-
-	  if (!g_module_symbol (tracker,
-				tracker_dl_mapping[i].fn_name,
-				tracker_dl_mapping[i].fn_ptr_ref))
-	    {
-	      g_warning ("Missing symbol '%s' in libtracker\n",
-			 tracker_dl_mapping[i].fn_name);
-	      g_module_close (tracker);
-
-	      for (i = 0; i < G_N_ELEMENTS (tracker_dl_mapping); i++)
-		tracker_dl_mapping[i].fn_ptr_ref = NULL;
-
-	      return TRACKER_UNAVAILABLE;
+  static gboolean inited = FALSE;
+  gint i;
+  GModule *m;
+  GModuleFlags flags;
+
+  if (inited)
+	  return TRUE;
+
+  flags = G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL;
+
+  /* Only support 0.10 onwards */
+  if ((m = g_module_open (MODULE_FILENAME, flags)) == NULL)
+	  {
+		  g_debug ("No tracker backend available or it is not new enough");
+		  g_debug ("Only available using '%s'", MODULE_FILENAME);
+		  return FALSE;
+	  }
+
+  inited = TRUE;
+
+  /* Check for the symbols we need */
+  for (i = 0; i < G_N_ELEMENTS (funcs); i++)
+	  {
+		  if (!g_module_symbol (m, funcs[i].name, funcs[i].pointer))
+			  {
+				  g_warning ("Missing symbol '%s' in libtracker-sparql\n",
+				             funcs[i].name);
+				  g_module_close (m);
+
+				  for (i = 0; i < G_N_ELEMENTS (funcs); i++)
+					  funcs[i].pointer = NULL;
+
+				  return FALSE;
+			  }
 	    }
-	}
-    }
 
-  return version;
+  g_debug ("Loaded Tracker library and all required symbols");
+
+  return TRUE;
 }
 
+/*
+ * GtkSearchEngineTracker object
+ */
 struct _GtkSearchEngineTrackerPrivate
 {
-  GtkQuery	*query;
-  TrackerClient *client;
-  gboolean	 query_pending;
-  TrackerVersion version;
+  TrackerSparqlConnection *connection;
+	GCancellable *cancellable;
+  GtkQuery *query;
+  gboolean query_pending;
 };
 
 G_DEFINE_TYPE (GtkSearchEngineTracker, _gtk_search_engine_tracker, GTK_TYPE_SEARCH_ENGINE);
 
+static void cursor_callback (GObject      *object,
+                             GAsyncResult *result,
+                             gpointer      user_data);
 
 static void
 finalize (GObject *object)
@@ -181,58 +160,108 @@ finalize (GObject *object)
 
   tracker = GTK_SEARCH_ENGINE_TRACKER (object);
 
+  if (tracker->priv->cancellable)
+	  {
+		  g_cancellable_cancel (tracker->priv->cancellable);
+		  g_object_unref (tracker->priv->cancellable);
+		  tracker->priv->cancellable = NULL;
+	  }
+
   if (tracker->priv->query)
     {
       g_object_unref (tracker->priv->query);
       tracker->priv->query = NULL;
     }
 
-  if (tracker->priv->version == TRACKER_0_8 ||
-      tracker->priv->version == TRACKER_0_9)
-    g_object_unref (tracker->priv->client);
-  else
-    tracker_disconnect (tracker->priv->client);
+  if (tracker->priv->connection)
+	  {
+		  g_object_unref (tracker->priv->connection);
+		  tracker->priv->connection = NULL;
+	  }
 
   G_OBJECT_CLASS (_gtk_search_engine_tracker_parent_class)->finalize (object);
 }
 
+static void
+cursor_next (GtkSearchEngineTracker *tracker,
+             TrackerSparqlCursor    *cursor)
+{
+	tracker_sparql_cursor_next_async (cursor,
+	                                  tracker->priv->cancellable,
+	                                  cursor_callback,
+	                                  tracker);
+}
 
-/* stolen from tracker sources, tracker.c */
 static void
-sparql_append_string_literal (GString     *sparql,
-                              const gchar *str)
+cursor_callback (GObject      *object,
+                 GAsyncResult *result,
+                 gpointer      user_data)
 {
-  gchar *s;
+  GtkSearchEngineTracker *tracker;
+  GError *error = NULL;
+  TrackerSparqlCursor *cursor;
+	GList *hits;
+  gboolean success;
 
-  s = tracker_sparql_escape (str);
+  tracker = GTK_SEARCH_ENGINE_TRACKER (user_data);
 
-  g_string_append_c (sparql, '"');
-  g_string_append (sparql, s);
-  g_string_append_c (sparql, '"');
+	cursor = TRACKER_SPARQL_CURSOR (object);
+	success = tracker_sparql_cursor_next_finish (cursor, result, &error);
 
-  g_free (s);
-}
+  if (error)
+    {
+      _gtk_search_engine_error (GTK_SEARCH_ENGINE (tracker), error->message);
+
+      g_error_free (error);
+
+      if (cursor)
+	      g_object_unref (cursor);
+
+      return;
+    }
+
+  if (!success)
+	  {
+		  _gtk_search_engine_finished (GTK_SEARCH_ENGINE (tracker));
+
+		  if (cursor)
+			  g_object_unref (cursor);
+
+		  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);
+}
 
 static void
-search_callback (gpointer results,
-		 GError  *error,
-		 gpointer user_data)
+query_callback (GObject      *object,
+                GAsyncResult *result,
+                gpointer      user_data)
 {
   GtkSearchEngineTracker *tracker;
-  gchar **results_p;
-  GList *hit_uris;
-  GPtrArray *OUT_result;
-  gchar *uri;
-  gint i;
+  TrackerSparqlConnection *connection;
+  TrackerSparqlCursor *cursor;
+  GError *error = NULL;
 
   gdk_threads_enter ();

tracker = GTK_SEARCH_ENGINE_TRACKER (user_data);
-  hit_uris = NULL;
 
   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);
@@ -238,123 +267,99 @@ search_callback (gpointer results,
       return;
     }
 
-  if (!results)
-    {
-      gdk_threads_leave ();
-      return;
-    }
+  if (!cursor)
+	  {
+		  _gtk_search_engine_finished (GTK_SEARCH_ENGINE (tracker));
+		  gdk_threads_leave ();
+		  return;
+	  }
 
-  if (tracker->priv->version == TRACKER_0_8 ||
-      tracker->priv->version == TRACKER_0_9)
-    {
-      OUT_result = (GPtrArray*) results;
+  cursor_next (tracker, cursor);
+
+  gdk_threads_leave ();
+}
 
-      for (i = 0; i < OUT_result->len; i++)
-        {
-          uri = g_strdup (((gchar **) OUT_result->pdata[i])[0]);
-          if (uri)
-            hit_uris = g_list_prepend (hit_uris, uri);
-        }
+static void
+sparql_append_string_literal (GString     *sparql,
+                              const gchar *str)
+{
+  gchar *s;
 
-      g_ptr_array_foreach (OUT_result, (GFunc) g_free, NULL);
-      g_ptr_array_free (OUT_result, TRUE);
-    }
-  else
-    {
-      for (results_p = results; *results_p; results_p++)
-        {
-          if (tracker->priv->version == TRACKER_0_6)
-            uri = g_filename_to_uri (*results_p, NULL, NULL);
-          else
-            uri = g_strdup (*results_p);
-
-          if (uri)
-            hit_uris = g_list_prepend (hit_uris, uri);
-        }
-      g_strfreev ((gchar **) results);
-    }
+  s = tracker_sparql_escape_string (str);
 
-  _gtk_search_engine_hits_added (GTK_SEARCH_ENGINE (tracker), hit_uris);
-  _gtk_search_engine_finished (GTK_SEARCH_ENGINE (tracker));
+  g_string_append_c (sparql, '"');
+  g_string_append (sparql, s);
+  g_string_append_c (sparql, '"');
 
-  g_list_foreach (hit_uris, (GFunc) g_free, NULL);
-  g_list_free (hit_uris);
-
-  gdk_threads_leave ();
+  g_free (s);
 }
 
-
 static void
 gtk_search_engine_tracker_start (GtkSearchEngine *engine)
 {
   GtkSearchEngineTracker *tracker;
-  gchar	*search_text, *location, *location_uri;
+  gchar	*search_text, *location_uri;
   GString *sparql;
 
   tracker = GTK_SEARCH_ENGINE_TRACKER (engine);
 
   if (tracker->priv->query_pending)
-    return;
+	  {
+		  g_debug ("Attempt to start a new search while one is pending, doing nothing");
+		  return;
+	  }
 
   if (tracker->priv->query == NULL)
-    return;
+	  {
+		  g_debug ("Attempt to start a new search with no GtkQuery, doing nothing");
+		  return;
+	  }
 
   search_text = _gtk_query_get_text (tracker->priv->query);
   location_uri = _gtk_query_get_location (tracker->priv->query);
 
-  location = NULL;
-  if (location_uri)
-    {
-      if (tracker->priv->version == TRACKER_0_6)
-        {
-          location = g_filename_from_uri (location_uri, NULL, NULL);
-          g_free (location_uri);
-        }
-      else
-        location = location_uri;
-    }
+  g_debug ("Query starting, search criteria:'%s', location:'%s'", search_text, location_uri);
 
-  if (tracker->priv->version == TRACKER_0_8 ||
-      tracker->priv->version == TRACKER_0_9)
-    {
-      sparql = g_string_new ("SELECT nie:url(?urn) WHERE { ?urn a nfo:FileDataObject; fts:match ");
-      sparql_append_string_literal (sparql, search_text);
-      if (location)
-        {
-          g_string_append (sparql, " . FILTER (fn:starts-with(nie:url(?urn),");
-          sparql_append_string_literal (sparql, location);
-          g_string_append (sparql, "))");
-        }
-      g_string_append (sparql, " } ORDER BY DESC(fts:rank(?urn)) ASC(nie:url(?urn))");
-
-      tracker_resources_sparql_query_async (tracker->priv->client,
-                                            sparql->str,
-                                            (TrackerReplyGPtrArray) search_callback,
-                                            tracker);
-      g_string_free (sparql, TRUE);
-    }
-  else
-    {
-      if (location)
-        {
-          tracker_search_metadata_by_text_and_location_async (tracker->priv->client,
-                                                              search_text,
-                                                              location,
-                                                              (TrackerArrayReply) search_callback,
-                                                              tracker);
-        }
-      else
-        {
-          tracker_search_metadata_by_text_async (tracker->priv->client,
-                                                 search_text,
-                                                 (TrackerArrayReply) search_callback,
-                                                 tracker);
-        }
-    }
+  /* Using FTS: */
+  sparql = g_string_new ("SELECT nie:url(?urn) "
+                         "WHERE {"
+                         "  ?urn a nfo:FileDataObject ;"
+                         "  tracker:available true ; "
+                         "  fts:match ");
+  sparql_append_string_literal (sparql, search_text);
+
+#ifdef FTS_MATCHING
+  if (location_uri)
+	  {
+		  g_string_append (sparql, " . FILTER (fn:starts-with(nie:url(?urn),");
+		  sparql_append_string_literal (sparql, location_uri);
+		  g_string_append (sparql, "))");
+	  }
+
+  g_string_append (sparql, " } ORDER BY DESC(fts:rank(?urn)) ASC(nie:url(?urn))");
+#else  /* FTS_MATCHING */
+  /* Using filename matching: */
+  sparql = g_string_new ("SELECT nie:url(?urn) "
+                         "WHERE {"
+                         "  ?urn a nfo:FileDataObject ;"
+                         "    tracker:available true ."
+                         "  FILTER (fn:contains(nfo:fileName(?urn),");
+  sparql_append_string_literal (sparql, search_text);
+
+  g_string_append (sparql, 
+                   "))"
+                   "} ORDER BY DESC(nie:url(?urn)) DESC(nfo:fileName(?urn))");
+#endif /* FTS_MATCHING */
+
+  tracker_sparql_connection_query_async (tracker->priv->connection,
+                                         sparql->str,
+                                         tracker->priv->cancellable,
+                                         query_callback,
+                                         tracker);
+  g_string_free (sparql, TRUE);
 
   tracker->priv->query_pending = TRUE;
   g_free (search_text);
-  g_free (location);
 }
 
 static void
@@ -359,9 +366,11 @@ gtk_search_engine_tracker_stop (GtkSearchEngine *engine)
 
   tracker = GTK_SEARCH_ENGINE_TRACKER (engine);
 
+  g_debug ("Query stopping");
+
   if (tracker->priv->query && tracker->priv->query_pending)
     {
-      tracker_cancel_last_call (tracker->priv->client);
+	    g_cancellable_cancel (tracker->priv->cancellable);
       tracker->priv->query_pending = FALSE;
     }
 }
@@ -374,7 +383,7 @@ gtk_search_engine_tracker_is_indexed (GtkSearchEngine *engine)
 
 static void
 gtk_search_engine_tracker_set_query (GtkSearchEngine *engine,
-				     GtkQuery        *query)
+                                     GtkQuery        *query)
 {
   GtkSearchEngineTracker *tracker;
 
@@ -410,7 +419,9 @@ _gtk_search_engine_tracker_class_init (GtkSearchEngineTrackerClass *class)
 static void
 _gtk_search_engine_tracker_init (GtkSearchEngineTracker *engine)
 {
-  engine->priv = G_TYPE_INSTANCE_GET_PRIVATE (engine, GTK_TYPE_SEARCH_ENGINE_TRACKER, GtkSearchEngineTrackerPrivate);
+  engine->priv = G_TYPE_INSTANCE_GET_PRIVATE (engine,
+                                              GTK_TYPE_SEARCH_ENGINE_TRACKER,
+                                              GtkSearchEngineTrackerPrivate);
 }
 
 
@@ -418,49 +429,35 @@ GtkSearchEngine *
 _gtk_search_engine_tracker_new (void)
 {
   GtkSearchEngineTracker *engine;
-  TrackerClient *tracker_client;
-  TrackerVersion version;
-  GError *err = NULL;
-
-  version = open_libtracker ();
-
-  if (version == TRACKER_0_8 ||
-      version == TRACKER_0_9)
-    {
-      tracker_client = tracker_client_new (TRACKER_CLIENT_ENABLE_WARNINGS, G_MAXINT);
-    }
-  else
-    {
-      if (!tracker_connect)
-        return NULL;
-
-      tracker_client = tracker_connect (FALSE, -1);
-    }
-
-  if (!tracker_client)
-    return NULL;
-
-
-  if (version == TRACKER_0_6)
-    {
-      if (!tracker_get_version)
-        return NULL;
-
-      tracker_get_version (tracker_client, &err);
-
-      if (err != NULL)
-        {
-          g_error_free (err);
-          tracker_disconnect (tracker_client);
-          return NULL;
-        }
-    }
+  TrackerSparqlConnection *connection;
+  GCancellable *cancellable;
+  GError *error = NULL;
+
+  if (!init ())
+	  return NULL;
+
+  g_debug ("Creating GtkSearchEngineTracker...");
+
+  cancellable = g_cancellable_new ();
+	connection = tracker_sparql_connection_get (cancellable, &error);
+
+	if (error)
+		{
+			g_warning ("Could not establish a connection to Tracker: %s", error->message);
+			g_error_free (error);
+			return NULL;
+		}
+	else if (!connection)
+	  {
+		  g_warning ("Could not establish a connection to Tracker, no TrackerSparqlConnection was returned");
+		  return NULL;
+	  }
 
   engine = g_object_new (GTK_TYPE_SEARCH_ENGINE_TRACKER, NULL);
 
-  engine->priv->client = tracker_client;
+  engine->priv->connection = connection;
+  engine->priv->cancellable = cancellable;
   engine->priv->query_pending = FALSE;
-  engine->priv->version = version;
 
   return GTK_SEARCH_ENGINE (engine);
 }
commit 9c9e4cac94ea15ed702dd67a9ee12ee63788a59a
Author: Vincent Untz <vuntz@gnome.org>
Date:   Sat Feb 19 18:39:49 2011 +0100

gtksearchenginetracker: Make backend less verbose
    
    https://bugzilla.gnome.org/show_bug.cgi?id=642768

diff --git a/gtk/gtksearchenginetracker.c b/gtk/gtksearchenginetracker.c
index ad9ff7f..6037984 100644
--- a/gtk/gtksearchenginetracker.c
+++ b/gtk/gtksearchenginetracker.c
@@ -131,8 +131,6 @@ init (void)
 			  }
 	    }
 
-  g_debug ("Loaded Tracker library and all required symbols");
-
   return TRUE;
 }
 
@@ -258,8 +256,6 @@ query_callback (GObject      *object,
 	                                                 result,
 	                                                 &error);
 
-	g_debug ("Query returned cursor:%p", cursor);
-
   if (error)
     {
       _gtk_search_engine_error (GTK_SEARCH_ENGINE (tracker), error->message);
@@ -315,8 +311,6 @@ gtk_search_engine_tracker_start (GtkSearchEngine *engine)
   search_text = _gtk_query_get_text (tracker->priv->query);
   location_uri = _gtk_query_get_location (tracker->priv->query);
 
-  g_debug ("Query starting, search criteria:'%s', location:'%s'", search_text, location_uri);
-
   /* Using FTS: */
   sparql = g_string_new ("SELECT nie:url(?urn) "
                          "WHERE {"
@@ -366,8 +360,6 @@ gtk_search_engine_tracker_stop (GtkSearchEngine *engine)
 
   tracker = GTK_SEARCH_ENGINE_TRACKER (engine);
 
-  g_debug ("Query stopping");
-
   if (tracker->priv->query && tracker->priv->query_pending)
     {
 	    g_cancellable_cancel (tracker->priv->cancellable);
@@ -436,8 +428,6 @@ _gtk_search_engine_tracker_new (void)
   if (!init ())
 	  return NULL;
 
-  g_debug ("Creating GtkSearchEngineTracker...");
-
   cancellable = g_cancellable_new ();
 	connection = tracker_sparql_connection_get (cancellable, &error);
 
commit b9825d5f5b0176d5b76967ce29e28634d082c5ea
Author: Vincent Untz <vuntz@gnome.org>
Date:   Sat Feb 19 19:02:25 2011 +0100

gtksearchenginetracker: Fix misplaced #ifdef

diff --git a/gtk/gtksearchenginetracker.c b/gtk/gtksearchenginetracker.c
index 6037984..e324e0b 100644
--- a/gtk/gtksearchenginetracker.c
+++ b/gtk/gtksearchenginetracker.c
@@ -311,6 +311,7 @@ gtk_search_engine_tracker_start (GtkSearchEngine *engine)
   search_text = _gtk_query_get_text (tracker->priv->query);
   location_uri = _gtk_query_get_location (tracker->priv->query);
 
+#ifdef FTS_MATCHING
   /* Using FTS: */
   sparql = g_string_new ("SELECT nie:url(?urn) "
                          "WHERE {"
@@ -319,7 +320,6 @@ gtk_search_engine_tracker_start (GtkSearchEngine *engine)
                          "  fts:match ");
   sparql_append_string_literal (sparql, search_text);
 
-#ifdef FTS_MATCHING
   if (location_uri)
 	  {
 		  g_string_append (sparql, " . FILTER (fn:starts-with(nie:url(?urn),");
commit ca619031df23299103b2a6b45f00c16cfd187909
Author: Alexander Larsson <alexl@redhat.com>
Date:   Fri Mar 25 10:53:05 2011 +0100

Ensure we always grab the gdk lock in async callbacks
    
    Async callbacks are delivered in idles, so we need to make sure
    we get the gdk lock before calling any gdk/gtk stuff. This was
    missing in a few places.
    (cherry picked from commit e274dbbdced7f3f8e6349bdfadcd743326cfa799)

diff --git a/gtk/gtksearchenginetracker.c b/gtk/gtksearchenginetracker.c
index 641e793..68346fa 100644
--- a/gtk/gtksearchenginetracker.c
+++ b/gtk/gtksearchenginetracker.c
@@ -203,6 +203,8 @@ cursor_callback (GObject      *object,
	GList *hits;
   gboolean success;

+  gdk_threads_enter ();
+
   tracker = GTK_SEARCH_ENGINE_TRACKER (user_data);

cursor = TRACKER_SPARQL_CURSOR (object);
@@ -217,6 +219,7 @@ cursor_callback (GObject      *object,
       if (cursor)
 	      g_object_unref (cursor);

+      gdk_threads_leave ();
       return;
     }

@@ -227,6 +230,7 @@ cursor_callback (GObject      *object,
 		  if (cursor)
 			  g_object_unref (cursor);

+                 gdk_threads_leave ();
 		  return;
 	  }

@@ -237,6 +241,9 @@ cursor_callback (GObject      *object,

/* Get next */
   cursor_next (tracker, cursor);
+
+  gdk_threads_leave ();
+
 }

static void

Places

File gtk2-tracker-0.10.patch of Package gtk2 (Revision 37420b63e4a48633ee88e01525b73216)

Places