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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 .
*/
#ifndef __com_sun_star_container_XContainer_idl__
#define __com_sun_star_container_XContainer_idl__
#include <com/sun/star/uno/XInterface.idl>
#include <com/sun/star/container/XContainerListener.idl>
module com { module sun { module star { module container {
/** supports quick access to the information if a container currently
contains elements.
<p>The <type>XContainer</type> interface is provided for containers
which need to broadcast changes within the container; that means
the actions of adding or removing elements are broadcast to the
listeners. </p>
<p>This can be useful for UI to enable/disable some functions
without actually accessing the data. </p>
@see XContent
@see XIndexAccess
@see XNameAcces
@see XEnumerationAccess
*/
published interface XContainer: com::sun::star::uno::XInterface
{
/** adds the specified listener to receive events when
elements are inserted or removed.
<p>It is suggested to allow multiple registration of the same listener,
thus for each time a listener is added, it has to be removed.
@see XContainerListener
*/
[oneway] void addContainerListener( [in] com::sun::star::container::XContainerListener xListener );
/** removes the specified listener so it does not receive
any events from this container.
<p>It is suggested to allow multiple registration of the same listener,
thus for each time a listener is added, it has to be removed.
@see XContainerListener
*/
[oneway] void removeContainerListener( [in] com::sun::star::container::XContainerListener xListener );
};
}; }; }; };
#endif
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