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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * folder.idl
 * Copyright (C) 2000  Helix Code, Inc.
 * Author: Christopher James Lahey <clahey@helixcode.com>
 *
 * Based on original from Matt Loper.
 *
 * This library 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 library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

module Evolution {

    interface FolderListener {

        enum CallStatus {
            Success,
            RepositoryOffline,
            PermissionDenied,
            WrongFolderType,
            WrongFolderDomain,
            FolderNotFound
        };

        void folder_listener_ready (in CallStatus status,
                        in Folder folder);

        void respond_get_control (in CallStatus stutus,
                      in Bonobo::Control control);
        /*
         * You must know what interface to query_interface()
         * for once you get a data source! 
         */
        void respond_get_data_source (in CallStatus status,
                          in Bonobo::Unknown data_source);

        void respond_get_name(in CallStatus status,
                      in string viewable_name);
        /*      void respond_get_icon(in CallStatus status,
                in */

        void respond_add_subfolder (in CallStatus status,
                        in Folder folder);
        void respond_move_subfolder (in CallStatus status);
        void respond_delete_subfolder (in CallStatus status);

        /* This signals that some piece of data has changed.
                   The name, control or data source has changed. */
        void signal_name_changed(in Folder folder);
        void signal_icon_changed(in Folder folder);

        /* This says a child/children has been added. */
        void signal_subfolder_added(in FolderList folders);
        /* This says a child has been removed. */
        void signal_subfolder_removed(in Folder folder);
    };
    
    interface Folder {
        void set_listener (in FolderListener listener);

        /* 
         * get a bonobo control for this view; a client won't
         * use the goad_id gathered in the above function, b/c
         * only the wombat knows how to do that, by surfing
         * the physical evolution directory structure 
         */
        void get_control();
        
        /*
         * You must know what interface to query_interface()
         * for once you get a data source!
         */
        void get_data_source();

        void get_name();
        void get_icon();
        
        void add_subfolder (in string data_source_id,
                      in string control_id,
                      in string viewable_name);
        void move_subfolder (in Folder subfolder);
        void delete_subfolder (in Folder subfolder);
    };
    
    interface Wombat {
        void get_root_folder(FolderListener listener);
    };
};