ScrollAdjuster.java

/*
 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package org.netbeans.jemmy.drivers.scrolling;

/**
 * Specifies scrolling criteria.
 *
 * @author Alexandre Iline(alexandre.iline@oracle.com)
 */
public interface ScrollAdjuster {

    /**
     * Increase scroll direction.
     */
    public static final int INCREASE_SCROLL_DIRECTION = 1;

    /**
     * Decrease scroll direction.
     */
    public static final int DECREASE_SCROLL_DIRECTION = -1;

    /**
     * Specifies that necessary value has been reached..
     */
    public static final int DO_NOT_TOUCH_SCROLL_DIRECTION = 0;

    /**
     * Returns scroll direction to reach necessary scroller value.
     *
     * @return one of the values: INCREASE_SCROLL_DIRECTION,
     * DECREASE_SCROLL_DIRECTION or DO_NOT_TOUCH_SCROLL_DIRECTION.
     */
    public int getScrollDirection();

    /**
     * Returns scrolling orientation.
     *
     * @return one of the values: Adjustable.HORIZONTAL or Adjustable.VERTICAL.
     */
    public int getScrollOrientation();

    /**
     * Returns a printable scrolling description.
     *
     * @return a description.
     */
    public String getDescription();
}