* Fixes NB#90942, fixes a crash when moving a deleted message

	* Fixes some other problems with row references

pmo-trunk-r6166

diff --git a/src/modest-ui-actions.c b/src/modest-ui-actions.c
index d7da2b9..1f42f68 100644 (file)
--- a/src/modest-ui-actions.c
+++ b/src/modest-ui-actions.c
@@ -530,11 +530,11 @@ modest_ui_actions_on_delete_message (GtkAction *action, ModestWindow *win)
                        }
 
                        /* Free */
-                       if (next_row_reference != NULL) 
+                       if (gtk_tree_row_reference_valid (next_row_reference)) 
                                gtk_tree_row_reference_free (next_row_reference);
                        if (next_path != NULL) 
                                gtk_tree_path_free (next_path);                         
-                       if (prev_row_reference != NULL) 
+                       if (gtk_tree_row_reference_valid (prev_row_reference)) 
                                gtk_tree_row_reference_free (prev_row_reference);
                        if (prev_path != NULL) 
                                gtk_tree_path_free (prev_path);
@@ -4820,8 +4820,10 @@ move_to_helper_destroyer (gpointer user_data)
                gtk_widget_destroy (GTK_WIDGET (helper->banner));
                g_object_unref (helper->banner);
        }
-       if (helper->reference != NULL)
+       if (gtk_tree_row_reference_valid (helper->reference)) {
                gtk_tree_row_reference_free (helper->reference);
+               helper->reference = NULL;
+       }
        g_free (helper);
 }
 
@@ -4845,7 +4847,8 @@ move_to_cb (ModestMailOperation *mail_op,
                                /* No more messages to view, so close this window */
                                modest_ui_actions_on_close_window (NULL, MODEST_WINDOW(self));
                        }
-               } else if (MODEST_IS_MAIN_WINDOW (object) && helper->reference != NULL) {
+               } else if (MODEST_IS_MAIN_WINDOW (object) && 
+                          gtk_tree_row_reference_valid (helper->reference)) {
                        GtkWidget *header_view;
                        GtkTreePath *path;
                        GtkTreeSelection *sel;