/*
 * Copyright 2005 The Apache Software Foundation.
 *
 * Licensed 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 under the License.
 */

/* $Id$ */

package org.apache.fop.layoutmgr;

import org.apache.fop.datatypes.PercentBaseContext;
import org.apache.fop.fo.properties.CondLengthProperty;
import org.apache.fop.traits.MinOptMax;

/**
 * This class represents an unresolved border or padding element.
 */
public abstract class BorderOrPaddingElement extends UnresolvedListElementWithLength {

    /**
     * Main constructor
     * @param position the Position instance needed by the addAreas stage of the LMs.
     * @param side the side to which this space element applies.
     * @param condLength the length-conditional property for a border or padding specification
     * @param isFirst true if this is a padding- or border-before of the first area generated.
     * @param isLast true if this is a padding- or border-after of the last area generated.
     * @param context the property evaluation context
     */
    public BorderOrPaddingElement(Position position, CondLengthProperty condLength,
            RelSide side,
            boolean isFirst, boolean isLast, PercentBaseContext context) {
        super(position,
                new MinOptMax(condLength.getLength().getValue(context)), side, 
                        condLength.isDiscard(), isFirst, isLast);
    }
    
    /** @see org.apache.fop.layoutmgr.UnresolvedListElementWithLength */
    public abstract void notifyLayoutManager(MinOptMax effectiveLength);
        
}