(* Guestfs Browser.
 * Copyright (C) 2010 Red Hat Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *)

(** This is the base class for the file tree.

    The types and functions in this file should be considered
    private to the file tree implementation.

    See {!Filetree} for the full description and public interface. *)

(**/**)

type t = {
  view : GTree.view;
  model : GTree.tree_store;
  hash : (int, hdata) Hashtbl.t;
  index_col : int GTree.column;
  mode_col : string GTree.column;
  name_col : string GTree.column;
  size_col : int64 GTree.column;
  date_col : string GTree.column;
  link_col : string GTree.column;
  mutable status : (string -> unit) option;
}

and hdata = state_t * content_t

and state_t =
  | IsLeaf
  | NodeNotStarted
  | NodeLoading
  | IsNode

and content_t =
  | Loading
  | ErrorMessage of string
  | Top of Slave.source
  | Directory of Slave.direntry
  | File of Slave.direntry

val store_hdata : t -> Gtk.tree_iter -> hdata -> unit
val get_hdata : t -> Gtk.tree_iter -> hdata
  (* Store/retrieve hdata structure in a model row. *)

val get_pathname : t -> Gtk.tree_iter -> Slave.source * string
  (* Get the full path to a row by chasing up through the tree to the
     top.  This also returns the source (eg. operating system or single
     volume). *)

val update_status : t -> string -> unit
  (* Update the status bar. *)