xref: /trunk/main/udkapi/com/sun/star/io/XActiveDataControl.idl (revision ffd38472365e95f6a578737bc9a5eb0fac624a86)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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 *
 *************************************************************/


#ifndef __com_sun_star_io_XActiveDataControl_idl__
#define __com_sun_star_io_XActiveDataControl_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

#ifndef __com_sun_star_io_XStreamListener_idl__
#include <com/sun/star/io/XStreamListener.idl>
#endif


//=============================================================================

module com {  module sun {  module star {  module io {

//=============================================================================

// DocMerge from xml: interface com::sun::star::io::XActiveDataControl
/** makes it possible to control an active data source.

    <p>This interface should be supported by objects which implement
    <type>XActiveDataSource</type> or <type>XActiveDataSink</type>.</p>
 */
published interface XActiveDataControl: com::sun::star::uno::XInterface
{
    //-------------------------------------------------------------------------

    // DocMerge from xml: method com::sun::star::io::XActiveDataControl::addListener
    /** registers an object to receive events from this data source.
       <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.
     */
    void addListener( [in] com::sun::star::io::XStreamListener aListener );

    //-------------------------------------------------------------------------

    // DocMerge from xml: method com::sun::star::io::XActiveDataControl::removeListener
    /** unregisters an object to receive events from this data source.

       <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.
     */
    void removeListener( [in] com::sun::star::io::XStreamListener aListener );

    //-------------------------------------------------------------------------

    // DocMerge from xml: method com::sun::star::io::XActiveDataControl::start
    /** starts I/O.

        <p>Either <member>XActiveDataControl::setInputStream()</member> or
        <member>XActiveDataControl::setOutputStream()</member> must be called beforehand.
        </p>

        <p>This method does not block the thread, so reading is
        generally not finished when the method returns. </p>
     */
    void start();

    //-------------------------------------------------------------------------

    // DocMerge from xml: method com::sun::star::io::XActiveDataControl::terminate
    /** does a weak abort.

        <p>It closes all connected resources and calls
        <member>XInputStream::close</member> or
        <member>XOutputStream::close</member> and fires the
        <member>XStreamListener::terminated</member>-event.</p>
     */
    void terminate();

};

//=============================================================================

}; }; }; };

/*=============================================================================

=============================================================================*/
#endif