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/* -*- 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 frame {

/** special interface to support sub-toolbars in a controller implementation.

    <p>
    This interface is normally used to implement the toolbar button/sub-
    toolbar function feature. It exchanges the function of the toolbar
    button, that opened the sub-toolbar, with the one that has been selected
    on the sub-toolbar.
    </p>

    @see com::sun::star::frame::ToolbarController

    @since OOo 2.0
 */
interface XSubToolbarController : com::sun::star::uno::XInterface
{
    /** if the controller features a sub-toolbar.

        @return
            `TRUE` if the controller offers a sub toolbar, otherwise `FALSE`.

        <p>
        Enables implementations to dynamically decide to support sub-toolbars
        or not.
        </p>
    */
    boolean opensSubToolbar();

    /** provides the resource URL of the sub-toolbar this controller opens.

        @return
            name of the sub-toolbar this controller offers. A empty string
            will be interpreted as if this controller offers no sub-toolbar.
    */
    string getSubToolbarName();

    /** gets called to notify a controller that a sub-toolbar function has been
        selected.

        @param aCommand
            a string which identifies the function that has been selected by
            a user.
    */
    void functionSelected( [in] string aCommand );

    /** gets called to notify a controller that it should set an image which
        represents the current selected function.

        <p>
        Only the controller instance is able to set the correct image for the
        current function. A toolbar implementation will ask sub-toolbar
        controllers to update their image whenever it has to update the images
        of all its buttons.
        </p>
    */
    void updateImage();
};

}; }; }; };

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