/*

   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 under the License.

 */
package org.apache.batik.css.engine;

import org.w3c.css.sac.SACMediaList;

/**
 * This class represents a @media CSS rule.
 *
 * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a>
 * @version $Id: MediaRule.java 478160 2006-11-22 13:35:06Z dvholten $
 */
public class MediaRule extends StyleSheet implements Rule {

    /**
     * The type constant.
     */
    public static final short TYPE = (short)1;

    /**
     * The media list.
     */
    protected SACMediaList mediaList;

    /**
     * Returns a constant identifying the rule type.
     */
    public short getType() {
        return TYPE;
    }

    /**
     * Sets the media list.
     */
    public void setMediaList(SACMediaList ml) {
        mediaList = ml;
    }

    /**
     * Returns the media list.
     */
    public SACMediaList getMediaList() {
        return mediaList;
    }

    /**
     * Returns a printable representation of this media rule.
     */
    public String toString(CSSEngine eng) {
        StringBuffer sb = new StringBuffer();
        sb.append("@media");
        if (mediaList != null) {
            for (int i = 0; i < mediaList.getLength(); i++) {
                sb.append(' ');
                sb.append(mediaList.item(i));
            }
        }
        sb.append(" {\n");
        for (int i = 0; i < size; i++) {
            sb.append(rules[i].toString(eng));
        }
        sb.append("}\n");
        return sb.toString();
    }
}
