[gnome-control-center] network: Only show the flight mode toggle when there are wireless devices

[Richard Hughes <rhughes src gnome org>]

commit d1a5af0818e3bff3180875ef6f0aebb70d7f891d
Author: Richard Hughes <richard hughsie com>
Date:   Tue Jan 24 15:49:06 2012 +0000

    network: Only show the flight mode toggle when there are wireless devices

 panels/network/cc-network-panel.c |   55 ++++++++++++++++++++++++++++++++++++-
 1 files changed, 54 insertions(+), 1 deletions(-)
---
diff --git a/panels/network/cc-network-panel.c b/panels/network/cc-network-panel.c
index 25a8521..63cced9 100644
--- a/panels/network/cc-network-panel.c
+++ b/panels/network/cc-network-panel.c
@@ -630,6 +630,54 @@ register_object_interest (CcNetworkPanel *panel, NetObject *object)
                           panel);
 }
 
+static void
+panel_refresh_killswitch_visibility (CcNetworkPanel *panel)
+{
+        gboolean ret;
+        gboolean show_flight_toggle = FALSE;
+        GtkTreeIter iter;
+        GtkTreeModel *model;
+        NetObject *object_tmp;
+        NMDeviceModemCapabilities caps;
+        NMDevice *nm_device;
+
+        /* find any wireless devices in model */
+        model = GTK_TREE_MODEL (gtk_builder_get_object (panel->priv->builder,
+                                                        "liststore_devices"));
+        ret = gtk_tree_model_get_iter_first (model, &iter);
+        if (!ret)
+                return;
+        do {
+                gtk_tree_model_get (model, &iter,
+                                    PANEL_DEVICES_COLUMN_OBJECT, &object_tmp,
+                                    -1);
+                if (NET_IS_DEVICE (object_tmp)) {
+                        nm_device = net_device_get_nm_device (NET_DEVICE (object_tmp));
+                        switch (nm_device_get_device_type (nm_device)) {
+                        case NM_DEVICE_TYPE_WIFI:
+                        case NM_DEVICE_TYPE_WIMAX:
+                                show_flight_toggle = TRUE;
+                                break;
+                        case NM_DEVICE_TYPE_MODEM:
+                                {
+                                caps = nm_device_modem_get_current_capabilities (NM_DEVICE_MODEM (nm_device));
+                                if ((caps & NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS) ||
+                                    (caps & NM_DEVICE_MODEM_CAPABILITY_CDMA_EVDO))
+                                        show_flight_toggle = TRUE;
+                                }
+                                break;
+                        default:
+                                break;
+                        }
+                }
+                g_object_unref (object_tmp);
+        } while (!show_flight_toggle && gtk_tree_model_iter_next (model, &iter));
+
+        /* only show toggle if there are wireless devices */
+        gtk_widget_set_visible (panel->priv->kill_switch_header,
+                                show_flight_toggle);
+}
+
 static gboolean
 panel_add_device (CcNetworkPanel *panel, NMDevice *device)
 {
@@ -2266,6 +2314,7 @@ device_added_cb (NMClient *client, NMDevice *device, CcNetworkPanel *panel)
 {
         g_debug ("New device added");
         panel_add_device (panel, device);
+        panel_refresh_killswitch_visibility (panel);
 }
 
 static void
@@ -2273,6 +2322,7 @@ device_removed_cb (NMClient *client, NMDevice *device, CcNetworkPanel *panel)
 {
         g_debug ("Device removed");
         panel_remove_device (panel, device);
+        panel_refresh_killswitch_visibility (panel);
 }
 
 static void
@@ -3195,16 +3245,19 @@ network_add_shell_header_widgets_cb (gpointer user_data)
          * network panel */
         widget = gtk_label_new (_("Airplane Mode"));
         gtk_box_pack_start (GTK_BOX (box), widget, FALSE, FALSE, 0);
+        gtk_widget_set_visible (widget, TRUE);
         widget = gtk_switch_new ();
         gtk_box_pack_start (GTK_BOX (box), widget, FALSE, FALSE, 0);
+        gtk_widget_set_visible (widget, TRUE);
         cc_shell_embed_widget_in_header (cc_panel_get_shell (CC_PANEL (panel)), box);
-        gtk_widget_show_all (box);
+        panel->priv->kill_switch_header = g_object_ref (box);
 
         ret = nm_client_wireless_get_enabled (panel->priv->client);
         gtk_switch_set_active (GTK_SWITCH (widget), !ret);
         g_signal_connect (GTK_SWITCH (widget), "notify::active",
                           G_CALLBACK (cc_network_panel_notify_enable_active_cb),
                           panel);
+        panel_refresh_killswitch_visibility (panel);
 
         return FALSE;
 }