/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


module com { module sun { module star { module ui { module dialogs {


/** Interface to be implemented by a FilePicker listener.

    <p> The XFilePickerListener interface must be implemented by
    the clients of the FilePicker service which need to be informed about
    events while the FilePicker service is displayed.</p>
*/

published interface XFilePickerListener: com::sun::star::lang::XEventListener
{
    /** A client receives this event if the file selection within the
        FilePicker service dialog changes.

        @param aEvent
        of type FilePickerEvent that describes the event

        @see com::sun::star::ui::dialogs::FilePickerEvent
    */
    void fileSelectionChanged( [in] FilePickerEvent aEvent );


    /** A client receives this event if the directory selection within the
        FilePicker dialog changes.

        @param aEvent
        Of type FilePickerEvent that describes the event.

        @see com::sun::star::ui::dialogs::FilePickerEvent
    */
    void directoryChanged( [in] FilePickerEvent aEvent );

    /** A client receives this event if the F1 key or the help button was
        pressed.

        @param aEvent
        of type FilePickerEvent that describes the event

        @returns
        A help string which the FilePicker dialog should use to display
        a help for a specific control. If the returned string is empty it is
        undefined how the FilePicker implementation will behave.
        It may show a message "no help available" or may show no
        help at all.

        @see com::sun::star::ui::dialogs::FilePickerEvent
    */
    string helpRequested( [in] FilePickerEvent aEvent );

    /** A client receives this event if the state of a control within the
        FilePicker service dialog changes.

        @param aEvent
        of type FilePickerEvent that describes the event.

        @see com::sun::star::ui::dialogs::FilePickerEvent
    */
    void controlStateChanged( [in] FilePickerEvent aEvent );

    /** A client receives this event if the size of the FilePicker dialog
        has changed. If the FilePicker dialog contains a preview the client
        may ask for the new dimension of the preview area.
    */
    void dialogSizeChanged( );
};


}; }; }; }; };


/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
