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Printers: Use system-config-printer's GroupPhysicalDevices method

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If available, use DBus method GroupPhysicalDevices which removes duplicates
from list of found devices. This method is available in system-config-printer
since version 1.3.5 (#654742).
This commit is contained in:
Marek Kasik 2011-08-02 17:11:25 +02:00
parent 8951bc41a7
commit eb18692613
1 changed files with 106 additions and 8 deletions
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118
panels/printers/pp-new-printer-dialog.c
View file

@ -53,6 +53,10 @@
#define FIREWALLD_PATH "/org/fedoraproject/FirewallD"
#define FIREWALLD_IFACE "org.fedoraproject.FirewallD"
#define SCP_BUS "org.fedoraproject.Config.Printing"
#define SCP_PATH "/org/fedoraproject/Config/Printing"
#define SCP_IFACE "org.fedoraproject.Config.Printing"
#define ALLOWED_CHARACTERS "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_/"
static void pp_new_printer_dialog_hide (PpNewPrinterDialog *pp);
@ -296,16 +300,19 @@ devices_get_cb (GObject *source_object,
PpNewPrinterDialog *pp = user_data;
cups_dest_t *dests;
GHashTable *devices = NULL;
GDBusProxy *proxy;
GtkWidget *widget = NULL;
GVariant *dg_output = NULL;
gboolean already_present;
GError *error = NULL;
gchar *new_name = NULL;
gchar *device_uri = NULL;
char *ret_error = NULL;
gint i, j;
gint i, j, k;
gint name_index;
gint num_dests;
dg_output = g_dbus_proxy_call_finish (G_DBUS_PROXY (source_object),
res,
&error);
@ -445,22 +452,112 @@ devices_get_cb (GObject *source_object,
* Show devices with device-id.
* Other preferences should apply here.
*/
proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
SCP_BUS,
SCP_PATH,
SCP_IFACE,
NULL,
&error);
if (proxy)
{
GVariantBuilder device_list;
GVariantBuilder device_hash;
GVariant *input = NULL;
GVariant *output = NULL;
GVariant *array = NULL;
GVariant *subarray = NULL;
g_variant_builder_init (&device_list, G_VARIANT_TYPE ("a{sv}"));
for (i = 0; i < pp->num_devices; i++)
{
for (j = 0; j < pp->num_devices; j++)
if (pp->devices[i].device_uri)
{
if (i != j)
g_variant_builder_init (&device_hash, G_VARIANT_TYPE ("a{ss}"));
if (pp->devices[i].device_id)
g_variant_builder_add (&device_hash,
"{ss}",
"device-id",
pp->devices[i].device_id);
if (pp->devices[i].device_make_and_model)
g_variant_builder_add (&device_hash,
"{ss}",
"device-make-and-model",
pp->devices[i].device_make_and_model);
if (pp->devices[i].device_class)
g_variant_builder_add (&device_hash,
"{ss}",
"device-class",
pp->devices[i].device_class);
g_variant_builder_add (&device_list,
"{sv}",
pp->devices[i].device_uri,
g_variant_builder_end (&device_hash));
}
}
input = g_variant_new ("(v)", g_variant_builder_end (&device_list));
output = g_dbus_proxy_call_sync (proxy,
"GroupPhysicalDevices",
input,
G_DBUS_CALL_FLAGS_NONE,
60000,
NULL,
&error);
if (output && g_variant_n_children (output) == 1)
{
if (g_strcmp0 (pp->devices[i].display_name, pp->devices[j].display_name) == 0)
array = g_variant_get_child_value (output, 0);
if (array)
{
if (pp->devices[i].device_id && !pp->devices[j].show)
for (i = 0; i < g_variant_n_children (array); i++)
{
subarray = g_variant_get_child_value (array, i);
if (subarray)
{
device_uri = g_strdup (g_variant_get_string (
g_variant_get_child_value (subarray, 0),
NULL));
for (k = 0; k < pp->num_devices; k++)
if (g_str_has_prefix (pp->devices[k].device_uri, device_uri))
pp->devices[k].show = TRUE;
g_free (device_uri);
}
}
}
}
if (output)
g_variant_unref (output);
g_variant_unref (input);
g_object_unref (proxy);
}
if (error &&
error->domain == G_DBUS_ERROR &&
(error->code == G_DBUS_ERROR_SERVICE_UNKNOWN ||
error->code == G_DBUS_ERROR_UNKNOWN_METHOD))
{
g_warning ("Install system-config-printer which provides \
DBus method \"GroupPhysicalDevices\" to group duplicates in device list.");
for (i = 0; i < pp->num_devices; i++)
pp->devices[i].show = TRUE;
}
}
}
}
}
for (i = 0; i < pp->num_devices; i++)
if (!pp->devices[i].device_id)
pp->devices[i].show = FALSE;
}
g_hash_table_destroy (devices);
@ -1059,7 +1156,8 @@ actualize_devices_list (PpNewPrinterDialog *pp)
for (i = 0; i < pp->num_devices; i++)
{
if (pp->devices[i].device_id || pp->devices[i].device_ppd_uri)
if ((pp->devices[i].device_id || pp->devices[i].device_ppd_uri) &&
pp->devices[i].show)
{
if (g_strcmp0 (pp->devices[i].device_class, "network") == 0)
{