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tracker-search-engine: Fixed 0.7/0.8 issues and add 0.9 cases

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This commit is contained in:
Martyn Russell 2010-04-09 14:21:45 +01:00
parent af0a7aea5f
commit f6c1d54b3f
1 changed files with 42 additions and 42 deletions
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84
gtk/gtksearchenginetracker.c
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@ -30,13 +30,15 @@ typedef struct _TrackerClient TrackerClient;
typedef enum
{
TRACKER_UNAVAILABLE = 0,
TRACKER_0_6 = 1 << 0,
TRACKER_0_7 = 1 << 1,
TRACKER_0_8 = 1 << 2
TRACKER_0_8 = 1 << 2,
TRACKER_0_9 = 1 << 3
} TrackerVersion;
/* tracker 0.6 API */
/* Tracker 0.6 API */
typedef void (*TrackerArrayReply) (char **result, GError *error, gpointer user_data);
static TrackerClient * (*tracker_connect) (gboolean enable_warnings, gint timeout) = NULL;
@ -53,7 +55,7 @@ static void (*tracker_search_metadata_by_text_and_location_async) (TrackerClient
const char *location,
TrackerArrayReply callback,
gpointer user_data) = NULL;
/* tracker 0.8 API */
/* Tracker 0.7->0.9 API */
typedef enum {
TRACKER_CLIENT_ENABLE_WARNINGS = 1 << 0
} TrackerClientFlags;
@ -82,12 +84,12 @@ static struct TrackerDlMapping
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),
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),
MAP (tracker_sparql_escape, TRACKER_0_8),
MAP (tracker_resources_sparql_query_async, TRACKER_0_8)
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
};
@ -95,52 +97,46 @@ static TrackerVersion
open_libtracker (void)
{
static gboolean done = FALSE;
static TrackerVersion version = 0;
static TrackerVersion version = TRACKER_UNAVAILABLE;
gpointer x;
if (!done)
{
int i;
gint i;
GModule *tracker;
GModuleFlags flags;
done = TRUE;
flags = G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL;
tracker = g_module_open ("libtracker-client-0.8.so.0", flags);
version = TRACKER_0_8;
/* 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;
}
if (!tracker)
{
tracker = g_module_open ("libtracker-client-0.7.so.0", flags);
if (tracker && !g_module_symbol (tracker, "tracker_resources_sparql_query_async", &x))
{
version = TRACKER_0_7;
}
}
if (!tracker)
{
tracker = g_module_open ("libtrackerclient.so.0", flags);
version = TRACKER_0_6;
}
if (!tracker)
{
tracker = g_module_open ("libtracker.so.0", flags);
version = TRACKER_0_6;
}
if (!tracker)
return 0;
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,
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",
@ -150,7 +146,7 @@ open_libtracker (void)
for (i = 0; i < G_N_ELEMENTS (tracker_dl_mapping); i++)
tracker_dl_mapping[i].fn_ptr_ref = NULL;
return 0;
return TRACKER_UNAVAILABLE;
}
}
}
@ -182,7 +178,8 @@ finalize (GObject *object)
tracker->priv->query = NULL;
}
if (tracker->priv->version == TRACKER_0_8)
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);
@ -235,7 +232,8 @@ search_callback (gpointer results,
if (!results)
return;
if (tracker->priv->version == TRACKER_0_8)
if (tracker->priv->version == TRACKER_0_8 ||
tracker->priv->version == TRACKER_0_9)
{
OUT_result = (GPtrArray*) results;
@ -302,7 +300,8 @@ gtk_search_engine_tracker_start (GtkSearchEngine *engine)
location = location_uri;
}
if (tracker->priv->version == TRACKER_0_8)
if (tracker->priv->version == TRACKER_0_8 ||
tracker->priv->version == TRACKER_0_9)
{
sparql = g_string_new ("SELECT ?url WHERE { ?file a nfo:FileDataObject; nie:url ?url; fts:match ");
sparql_append_string_literal (sparql, search_text);
@ -416,7 +415,8 @@ _gtk_search_engine_tracker_new (void)
version = open_libtracker ();
if (version == TRACKER_0_8)
if (version == TRACKER_0_8 ||
version == TRACKER_0_9)
{
tracker_client = tracker_client_new (TRACKER_CLIENT_ENABLE_WARNINGS, G_MAXINT);
}