Support migration in the new shell design.

Some code got duplicated for calendars and tasks.  Made a note to revisit.

svn path=/branches/kill-bonobo/; revision=36560

1 files changed, 45 insertions, 0 deletions

diff --git a/shell/e-shell-migrate.h b/shell/e-shell-migrate.h
new file mode 100644
index 0000000000..315a2904c5
--- /dev/null
+++ b/shell/e-shell-migrate.h
@@ -0,0 +1,45 @@
+/*
+ * e-shell-migrate.h
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>  
+ *
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+/* This is an EShell extension that handles migrating from older versions. */
+
+#ifndef E_SHELL_MIGRATE_H
+#define E_SHELL_MIGRATE_H
+
+#include <shell/e-shell-common.h>
+#include <shell/e-shell.h>
+
+#define E_SHELL_MIGRATE_ERROR \
+	(e_shell_migrate_error_quark ())
+
+G_BEGIN_DECLS
+
+/* XXX Need more specific error codes? */
+typedef enum {
+	E_SHELL_MIGRATE_ERROR_FAILED
+} EShellMigrateError;
+
+gboolean	e_shell_migrate_attempt		(EShell *shell);
+GQuark		e_shell_migrate_error_quark	(void);
+
+G_END_DECLS
+
+#endif /* E_SHELL_MIGRATE_H */