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/**
 * License Agreement.
 *
 *  JBoss RichFaces - Ajax4jsf Component Library
 *
 * Copyright (C) 2007  Exadel, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */
package org.richfaces.event;

public interface DataScrollSource {
    /**
     * Adds a DataScrollListener to this DataScrollSource.
     *
     * @param listener the Scroll listener to be added
     */
    void addScrollListener(org.richfaces.event.DataScrollListener listener);

    /**
     * Removes a DataFilterSliderListener from this DataScrollSource.
     *
     * @param listener the Scroll listener to be removed
     */
    void removeScrollListener(DataScrollListener listener);

    /**
     * Returns all ScrollListeners for this DataScrollSource.
     *
     * @return the Scroll listener array
     */
    DataScrollListener[] getScrollListeners();
}