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 }