org.htmlunit.css

Class CssStyleSheet

java.lang.Object

org.htmlunit.css.CssStyleSheet

All Implemented Interfaces:

Serializable

public class CssStyleSheet
extends Object
implements Serializable

A css StyleSheet.

Author:

Marc Guillemot, Daniel Gredler, Ahmed Ashour, Ronald Brill, Guy Burton, Frank Danek, Carsten Steul, Sven Strickroth

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	ABSOLUTE "absolute".
static String	AUTO "auto".
static String	BLOCK "block".
static Set<String>	CSS2_PSEUDO_CLASSES Set of CSS2 pseudo class names.
static Set<String>	CSS4_PSEUDO_CLASSES Set of CSS4 pseudo class names.
static String	FIXED "fixed".
static String	INHERIT "inherit".
static String	INITIAL "initial".
static String	INLINE "inline".
static String	NONE "none".
static String	RELATIVE "relative".
static String	REPEAT "repeat".
static String	SCROLL "scroll".
static String	STATIC "static".

Constructor Summary

Constructors

Constructor and Description
CssStyleSheet(HtmlElement element, org.htmlunit.cssparser.dom.CSSStyleSheetImpl wrapped, String uri) Creates a new stylesheet representing the specified CSS stylesheet.
CssStyleSheet(HtmlElement element, org.htmlunit.cssparser.parser.InputSource source, String uri) Creates a new stylesheet representing the CSS stylesheet for the specified input source.
CssStyleSheet(HtmlElement element, String styleSheet, String uri) Creates a new stylesheet representing the CSS stylesheet for the specified input source.

Method Summary

Modifier and Type	Method and Description
CssStyleSheet	getImportedStyleSheet(org.htmlunit.cssparser.dom.CSSImportRuleImpl importRule)
String	getUri() Returns this stylesheet's URI (used to resolved contained @import rules).
org.htmlunit.cssparser.dom.CSSStyleSheetImpl	getWrappedSheet() Returns the wrapped stylesheet.
boolean	isActive() Returns true if this stylesheet is active, based on the media types it is associated with (if any).
static boolean	isActive(org.htmlunit.cssparser.dom.MediaListImpl mediaList, WebWindow webWindow) Returns whether the specified MediaList is active or not.
boolean	isEnabled() Returns true if this stylesheet is enabled.
static CssStyleSheet	loadStylesheet(HtmlElement element, HtmlLink link, String url) Loads the stylesheet at the specified link or href.
void	modifyIfNecessary(ComputedCssStyleDeclaration style, DomElement element, String pseudoElement) Modifies the specified style object by adding any style rules which apply to the specified element.
static org.htmlunit.cssparser.dom.MediaListImpl	parseMedia(String mediaString, WebClient webClient) Parses the given media string.
static boolean	selects(BrowserVersion browserVersion, org.htmlunit.cssparser.parser.selector.Selector selector, DomElement element, String pseudoElement, boolean fromQuerySelectorAll, boolean throwOnSyntax) Returns true if the specified selector selects the specified element.
void	setEnabled(boolean enabled) Sets whether this sheet is enabled or not.
static void	validateSelectors(org.htmlunit.cssparser.parser.selector.SelectorList selectorList, DomNode domNode) Validates the list of selectors.
static void	validateSelectors(org.htmlunit.cssparser.parser.selector.SelectorList selectorList, int documentMode, DomNode domNode) Deprecated. as of version 4.5.0; use validateSelectors(SelectorList, DomNode) instead

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NONE

public static final String NONE

"none".

See Also:

Constant Field Values

AUTO

public static final String AUTO

"auto".

See Also:

Constant Field Values

STATIC

public static final String STATIC

"static".

See Also:

Constant Field Values

INHERIT

public static final String INHERIT

"inherit".

See Also:

Constant Field Values

INITIAL

public static final String INITIAL

"initial".

See Also:

Constant Field Values

RELATIVE

public static final String RELATIVE

"relative".

See Also:

Constant Field Values

FIXED

public static final String FIXED

"fixed".

See Also:

Constant Field Values

ABSOLUTE

public static final String ABSOLUTE

"absolute".

See Also:

Constant Field Values

REPEAT

public static final String REPEAT

"repeat".

See Also:

Constant Field Values

BLOCK

public static final String BLOCK

"block".

See Also:

Constant Field Values

INLINE

public static final String INLINE

"inline".

See Also:

Constant Field Values

SCROLL

public static final String SCROLL

"scroll".

See Also:

Constant Field Values

CSS2_PSEUDO_CLASSES

public static final Set<String> CSS2_PSEUDO_CLASSES

Set of CSS2 pseudo class names.

CSS4_PSEUDO_CLASSES

public static final Set<String> CSS4_PSEUDO_CLASSES

Set of CSS4 pseudo class names.

Constructor Detail

CssStyleSheet

public CssStyleSheet(HtmlElement element,
                     org.htmlunit.cssparser.parser.InputSource source,
                     String uri)

Creates a new stylesheet representing the CSS stylesheet for the specified input source.

Parameters:

element - the owning node

source - the input source which contains the CSS stylesheet which this stylesheet host object represents

uri - this stylesheet's URI (used to resolved contained @import rules)

CssStyleSheet

public CssStyleSheet(HtmlElement element,
                     String styleSheet,
                     String uri)

Creates a new stylesheet representing the CSS stylesheet for the specified input source.

Parameters:

element - the owning node

styleSheet - the source which contains the CSS stylesheet which this stylesheet host object represents

uri - this stylesheet's URI (used to resolved contained @import rules)

CssStyleSheet

public CssStyleSheet(HtmlElement element,
                     org.htmlunit.cssparser.dom.CSSStyleSheetImpl wrapped,
                     String uri)

Creates a new stylesheet representing the specified CSS stylesheet.

Parameters:

element - the owning node

wrapped - the CSS stylesheet which this stylesheet host object represents

uri - this stylesheet's URI (used to resolved contained @import rules)

Method Detail

getWrappedSheet

public org.htmlunit.cssparser.dom.CSSStyleSheetImpl getWrappedSheet()

Returns the wrapped stylesheet.

Returns:

the wrapped stylesheet

getUri

public String getUri()

Returns this stylesheet's URI (used to resolved contained @import rules). For inline styles this is the page uri.

Returns:

this stylesheet's URI (used to resolved contained @import rules)

isEnabled

public boolean isEnabled()

Returns true if this stylesheet is enabled.

Returns:

true if this stylesheet is enabled

setEnabled

public void setEnabled(boolean enabled)

Sets whether this sheet is enabled or not.

Parameters:

enabled - enabled or not

loadStylesheet

public static CssStyleSheet loadStylesheet(HtmlElement element,
                                           HtmlLink link,
                                           String url)

Loads the stylesheet at the specified link or href.

Parameters:

element - the parent DOM element

link - the stylesheet's link (may be null if a url is specified)

url - the stylesheet's url (may be null if a link is specified)

Returns:

the loaded stylesheet

selects

public static boolean selects(BrowserVersion browserVersion,
                              org.htmlunit.cssparser.parser.selector.Selector selector,
                              DomElement element,
                              String pseudoElement,
                              boolean fromQuerySelectorAll,
                              boolean throwOnSyntax)

Returns true if the specified selector selects the specified element.

Parameters:

browserVersion - the browser version

selector - the selector to test

element - the element to test

pseudoElement - the pseudo element to match, (can be null)

fromQuerySelectorAll - whether this is called from DomNode.querySelectorAll(String)

throwOnSyntax - throw exception if the selector syntax is incorrect

Returns:

true if it does apply, false if it doesn't apply

parseMedia

public static org.htmlunit.cssparser.dom.MediaListImpl parseMedia(String mediaString,
                                                                  WebClient webClient)

Parses the given media string. If anything at all goes wrong, this method returns an empty MediaList list.

Parameters:

mediaString - the source from which to retrieve the media to be parsed

webClient - the WebClient to be used

Returns:

the media parsed from the specified input source

validateSelectors

@Deprecated
public static void validateSelectors(org.htmlunit.cssparser.parser.selector.SelectorList selectorList,
                                                  int documentMode,
                                                  DomNode domNode)
                                           throws org.htmlunit.cssparser.parser.CSSException

Deprecated. as of version 4.5.0; use validateSelectors(SelectorList, DomNode) instead

Validates the list of selectors.

Parameters:

selectorList - the selectors

documentMode - see Document.getDocumentMode()

domNode - the dom node the query should work on

Throws:

org.htmlunit.cssparser.parser.CSSException - if a selector is invalid

validateSelectors

public static void validateSelectors(org.htmlunit.cssparser.parser.selector.SelectorList selectorList,
                                     DomNode domNode)
                              throws org.htmlunit.cssparser.parser.CSSException

Validates the list of selectors.

Parameters:

selectorList - the selectors

domNode - the dom node the query should work on

Throws:

org.htmlunit.cssparser.parser.CSSException - if a selector is invalid

getImportedStyleSheet

public CssStyleSheet getImportedStyleSheet(org.htmlunit.cssparser.dom.CSSImportRuleImpl importRule)

Parameters:

importRule - the CSSImportRuleImpl that imports the CssStyleSheet

Returns:

the CssStyleSheet imported by this rule

isActive

public boolean isActive()

Returns true if this stylesheet is active, based on the media types it is associated with (if any).

Returns:

true if this stylesheet is active, based on the media types it is associated with (if any)

isActive

public static boolean isActive(org.htmlunit.cssparser.dom.MediaListImpl mediaList,
                               WebWindow webWindow)

Returns whether the specified MediaList is active or not.

Parameters:

mediaList - the media list

webWindow - the WebWindow for some basic data

Returns:

whether the specified MediaList is active or not

modifyIfNecessary

public void modifyIfNecessary(ComputedCssStyleDeclaration style,
                              DomElement element,
                              String pseudoElement)

Modifies the specified style object by adding any style rules which apply to the specified element.

Parameters:

style - the style to modify

element - the element to which style rules must apply in order for them to be added to the specified style

pseudoElement - a string specifying the pseudo-element to match (may be null)