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package org.w3c.dom.css;

import org.w3c.dom.DOMException;
import org.w3c.dom.stylesheets.MediaList;

The CSSMediaRule interface represents a @media rule in a CSS style sheet. A @media rule can be used to delimit style rules for specific media types.

See also the Document Object Model (DOM) Level 2 Style Specification.

Since:1.4, DOM Level 2
/** * The <code>CSSMediaRule</code> interface represents a @media rule in a CSS * style sheet. A <code>@media</code> rule can be used to delimit style * rules for specific media types. * <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>. * @since 1.4, DOM Level 2 */
public interface CSSMediaRule extends CSSRule {
A list of media types for this rule.
/** * A list of media types for this rule. */
public MediaList getMedia();
A list of all CSS rules contained within the media block.
/** * A list of all CSS rules contained within the media block. */
public CSSRuleList getCssRules();
Used to insert a new rule into the media block.
Params:
  • rule – The parsable text representing the rule. For rule sets this contains both the selector and the style declaration. For at-rules, this specifies both the at-identifier and the rule content.
  • index – The index within the media block's rule collection of the rule before which to insert the specified rule. If the specified index is equal to the length of the media blocks's rule collection, the rule will be added to the end of the media block.
Throws:
  • DOMException – HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the specified index, e.g., if an @import rule is inserted after a standard rule set or other at-rule.
    INDEX_SIZE_ERR: Raised if the specified index is not a valid insertion point.
    NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is readonly.
    SYNTAX_ERR: Raised if the specified rule has a syntax error and is unparsable.
Returns: The index within the media block's rule collection of the newly inserted rule.
/** * Used to insert a new rule into the media block. * @param rule The parsable text representing the rule. For rule sets * this contains both the selector and the style declaration. For * at-rules, this specifies both the at-identifier and the rule * content. * @param index The index within the media block's rule collection of * the rule before which to insert the specified rule. If the * specified index is equal to the length of the media blocks's rule * collection, the rule will be added to the end of the media block. * @return The index within the media block's rule collection of the * newly inserted rule. * @exception DOMException * HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the * specified index, e.g., if an <code>@import</code> rule is inserted * after a standard rule set or other at-rule. * <br>INDEX_SIZE_ERR: Raised if the specified index is not a valid * insertion point. * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is * readonly. * <br>SYNTAX_ERR: Raised if the specified rule has a syntax error and * is unparsable. */
public int insertRule(String rule, int index) throws DOMException;
Used to delete a rule from the media block.
Params:
  • index – The index within the media block's rule collection of the rule to remove.
Throws:
  • DOMException – INDEX_SIZE_ERR: Raised if the specified index does not correspond to a rule in the media rule list.
    NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is readonly.
/** * Used to delete a rule from the media block. * @param index The index within the media block's rule collection of * the rule to remove. * @exception DOMException * INDEX_SIZE_ERR: Raised if the specified index does not correspond to * a rule in the media rule list. * <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is * readonly. */
public void deleteRule(int index) throws DOMException; }