printers: Make "Print Test Page" button always sensitive

Since "Printer Test Page" prints CUPS' testing page, we don't
need to make it insensitive when the printer doesn't support
"PrintSelfTestPage" maintenance command.

panels/printers/cc-printers-panel.c

@@ -213,14 +213,11 @@ printer_selection_changed_cb (GtkTreeSelection *selection,
   GtkTreeModel           *model;
   GtkTreeIter             iter;
   GtkWidget              *widget;
-  gboolean                test_page_command_available = FALSE;
   gboolean                sensitive;
   gboolean                is_local = TRUE;
   gchar                  *printer_make_and_model = NULL;
   gchar                  *printer_model = NULL;
   gchar                  *reason = NULL;
-  gchar                 **available_commands = NULL;
-  gchar                  *printer_commands = NULL;
   gchar                 **printer_reasons = NULL;
   gchar                  *marker_types = NULL;
   gchar                  *printer_name = NULL;
@@ -327,8 +324,6 @@ printer_selection_changed_cb (GtkTreeSelection *selection,
             reason = priv->dests[id].options[i].value;
           else if (g_strcmp0 (priv->dests[priv->current_dest].options[i].name, "marker-types") == 0)
             marker_types = priv->dests[priv->current_dest].options[i].value;
-          else if (g_strcmp0 (priv->dests[priv->current_dest].options[i].name, "printer-commands") == 0)
-            printer_commands = priv->dests[priv->current_dest].options[i].value;
           else if (g_strcmp0 (priv->dests[priv->current_dest].options[i].name, "printer-make-and-model") == 0)
             printer_make_and_model = priv->dests[priv->current_dest].options[i].value;
           else if (g_strcmp0 (priv->dests[priv->current_dest].options[i].name, "printer-uri-supported") == 0)
@@ -551,22 +546,6 @@ printer_selection_changed_cb (GtkTreeSelection *selection,
       gtk_widget_set_sensitive (widget, sensitive);
 
 
-      if (printer_commands)
-        {
-          available_commands = g_strsplit (printer_commands, ",", -1);
-          for (i = 0; i < g_strv_length (available_commands); i++)
-            {
-              if (g_strcmp0 (available_commands[i], "PrintSelfTestPage") == 0)
-                test_page_command_available = TRUE;
-            }
-          g_strfreev (available_commands);
-        }
-
-      widget = (GtkWidget*)
-        gtk_builder_get_object (priv->builder, "print-test-page-button");
-      gtk_widget_set_sensitive (widget, test_page_command_available);
-
-
       widget = (GtkWidget*)
         gtk_builder_get_object (priv->builder, "supply-drawing-area");
       gtk_widget_set_size_request (widget, -1, SUPPLY_BAR_HEIGHT);
@@ -610,6 +589,10 @@ printer_selection_changed_cb (GtkTreeSelection *selection,
         gtk_label_set_text (GTK_LABEL (widget), EMPTY_TEXT);
 
 
+      widget = (GtkWidget*)
+        gtk_builder_get_object (priv->builder, "print-test-page-button");
+      gtk_widget_set_sensitive (widget, TRUE);
+
       widget = (GtkWidget*)
         gtk_builder_get_object (priv->builder, "printer-options-button");
       gtk_widget_set_sensitive (widget, TRUE);
@@ -1961,50 +1944,6 @@ printer_remove_cb (GtkToolButton *toolbutton,
   }
 }
 
-static void
-printer_maintenance_cb (GtkButton *button,
-                        gpointer   user_data)
-{
-  CcPrintersPanelPrivate  *priv;
-  CcPrintersPanel         *self = (CcPrintersPanel*) user_data;
-  ipp_t                   *response = NULL;
-  gchar                   *printer_name = NULL;
-
-  priv = PRINTERS_PANEL_PRIVATE (self);
-
-  if (priv->current_dest >= 0 &&
-      priv->current_dest < priv->num_dests &&
-      priv->dests != NULL)
-    printer_name = priv->dests[priv->current_dest].name;
-
-  if (printer_name)
-    {
-      if ((GtkButton*) gtk_builder_get_object (priv->builder,
-                                               "print-test-page-button")
-                       == button)
-        {
-          response = execute_maintenance_command (printer_name,
-                                                  "PrintSelfTestPage",
-          /* Translators: Name of job which makes printer to print test page */
-                                                  _("Test page"));
-        }
-      else if ((GtkButton*) gtk_builder_get_object (priv->builder,
-                                                    "clean-print-heads-button")
-                            == button)
-        response = execute_maintenance_command (printer_name,
-                                                "Clean all",
-          /* Translators: Name of job which makes printer to clean its heads */
-                                                _("Clean print heads"));
-      if (response)
-        {
-          if (response->state == IPP_ERROR)
-            /* Translators: An error has occured during execution of a CUPS maintenance command */
-            g_warning (_("An error has occured during a maintenance command."));
-          ippDelete(response);
-        }
-    }
-}
-
 static void
 test_page_cb (GtkButton *button,
               gpointer   user_data)