001    /*
002     * Copyright (c) 2000 World Wide Web Consortium,
003     * (Massachusetts Institute of Technology, Institut National de
004     * Recherche en Informatique et en Automatique, Keio University). All
005     * Rights Reserved. This program is distributed under the W3C's Software
006     * Intellectual Property License. This program is distributed in the
007     * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
008     * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
009     * PURPOSE.
010     * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
011     */
012    
013    package org.w3c.dom.css;
014    
015    import org.w3c.dom.DOMException;
016    import org.w3c.dom.stylesheets.MediaList;
017    
018    /**
019     *  The <code>CSSMediaRule</code> interface represents a @media rule in a CSS 
020     * style sheet. A <code>@media</code> rule can be used to delimit style 
021     * rules for specific media types. 
022     * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document Object Model (DOM) Level 2 Style Specification</a>.
023     * @since DOM Level 2
024     */
025    public interface CSSMediaRule extends CSSRule {
026        /**
027         *  A list of media types for this rule. 
028         */
029        public MediaList getMedia();
030    
031        /**
032         *  A list of all CSS rules contained within the media block. 
033         */
034        public CSSRuleList getCssRules();
035    
036        /**
037         *  Used to insert a new rule into the media block. 
038         * @param rule  The parsable text representing the rule. For rule sets 
039         *   this contains both the selector and the style declaration. For 
040         *   at-rules, this specifies both the at-identifier and the rule 
041         *   content. 
042         * @param index  The index within the media block's rule collection of 
043         *   the rule before which to insert the specified rule. If the 
044         *   specified index is equal to the length of the media blocks's rule 
045         *   collection, the rule will be added to the end of the media block. 
046         * @return  The index within the media block's rule collection of the 
047         *   newly inserted rule. 
048         * @exception DOMException
049         *   HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the 
050         *   specified index, e.g., if an <code>@import</code> rule is inserted 
051         *   after a standard rule set or other at-rule.
052         *   <br>INDEX_SIZE_ERR: Raised if the specified index is not a valid 
053         *   insertion point.
054         *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is 
055         *   readonly.
056         *   <br>SYNTAX_ERR: Raised if the specified rule has a syntax error and 
057         *   is unparsable.
058         */
059        public int insertRule(String rule, 
060                              int index)
061                              throws DOMException;
062    
063        /**
064         *  Used to delete a rule from the media block. 
065         * @param index  The index within the media block's rule collection of 
066         *   the rule to remove. 
067         * @exception DOMException
068         *   INDEX_SIZE_ERR: Raised if the specified index does not correspond to 
069         *   a rule in the media rule list.
070         *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is 
071         *   readonly.
072         */
073        public void deleteRule(int index)
074                               throws DOMException;
075    
076    }