Package io.webfolder.cdp.command

Interface CSS

  • public interface CSS
    This domain exposes CSS read/write operations All CSS objects (stylesheets, rules, and styles) have an associated id used in subsequent operations on the related object Each object type has a specific id structure, and those are not interchangeable between objects of different kinds CSS objects can be loaded using the get*ForNode() calls (which accept a DOM node id) A client can also keep track of stylesheets via the styleSheetAdded styleSheetRemoved events and subsequently load the required stylesheet contents using the getStyleSheet[Text]() methods

    • Method Detail

      • addRule

        CSSRule addRule​(String styleSheetId,
                String ruleText,
                SourceRange location)
        Inserts a new rule with the given ruleTextin a stylesheet with givenstyleSheetId, at the position specified by location.
        Parameters:
        styleSheetId - The css style sheet identifier where a new rule should be inserted.
        ruleText - The text of a new rule.
        location - Text position of a new rule in the target style sheet.
        Returns:
        The newly created rule.

      • collectClassNames

        List<String> collectClassNames​(String styleSheetId)
        Returns all class names from specified stylesheet.
        Returns:
        Class name list.

      • createStyleSheet

        String createStyleSheet​(String frameId)
        Creates a new special "via-inspector" stylesheet in the frame with given frameId.
        Parameters:
        frameId - Identifier of the frame where "via-inspector" stylesheet should be created.
        Returns:
        Identifier of the created "via-inspector" stylesheet.

      • disable

        void disable()
        Disables the CSS agent for the given page.

      • enable

        void enable()
        Enables the CSS agent for the given page. Clients should not assume that the CSS agent has been enabled until the result of this command is received.

      • forcePseudoState

        void forcePseudoState​(Integer nodeId,
                      List<String> forcedPseudoClasses)
        Ensures that the given node will have specified pseudo-classes whenever its style is computed by the browser.
        Parameters:
        nodeId - The element id for which to force the pseudo state.
        forcedPseudoClasses - Element pseudo classes to force when computing the element's style.

      • getComputedStyleForNode

        List<CSSComputedStyleProperty> getComputedStyleForNode​(Integer nodeId)
        Returns the computed style for a DOM node identified by nodeId.
        Returns:
        Computed style for the specified DOM node.

      • getInlineStylesForNode

        GetInlineStylesForNodeResult getInlineStylesForNode​(Integer nodeId)
        Returns the styles defined inline (explicitly in the "style" attribute and implicitly, using DOM attributes) for a DOM node identified by nodeId.
        Returns:
        GetInlineStylesForNodeResult

      • getMatchedStylesForNode

        GetMatchedStylesForNodeResult getMatchedStylesForNode​(Integer nodeId)
        Returns requested styles for a DOM node identified by nodeId.
        Returns:
        GetMatchedStylesForNodeResult

      • getMediaQueries

        List<CSSMedia> getMediaQueries()
        Returns all media queries parsed by the rendering engine.

      • getPlatformFontsForNode

        List<PlatformFontUsage> getPlatformFontsForNode​(Integer nodeId)
        Requests information about platform fonts which we used to render child TextNodes in the given node.
        Returns:
        Usage statistics for every employed platform font.

      • getStyleSheetText

        String getStyleSheetText​(String styleSheetId)
        Returns the current textual content for a stylesheet.
        Returns:
        The stylesheet text.

      • setEffectivePropertyValueForNode

        void setEffectivePropertyValueForNode​(Integer nodeId,
                                      String propertyName,
                                      String value)
        Find a rule with the given active property for the given node and set the new value for this property
        Parameters:
        nodeId - The element id for which to set property.

      • setKeyframeKey

        Value setKeyframeKey​(String styleSheetId,
                     SourceRange range,
                     String keyText)
        Modifies the keyframe rule key text.
        Returns:
        The resulting key text after modification.

      • setMediaText

        CSSMedia setMediaText​(String styleSheetId,
                      SourceRange range,
                      String text)
        Modifies the rule selector.
        Returns:
        The resulting CSS media rule after modification.

      • setRuleSelector

        SelectorList setRuleSelector​(String styleSheetId,
                             SourceRange range,
                             String selector)
        Modifies the rule selector.
        Returns:
        The resulting selector list after modification.

      • setStyleSheetText

        String setStyleSheetText​(String styleSheetId,
                         String text)
        Sets the new stylesheet text.
        Returns:
        URL of source map associated with script (if any).

      • setStyleTexts

        List<CSSStyle> setStyleTexts​(List<StyleDeclarationEdit> edits)
        Applies specified style edits one after another in the given order.
        Returns:
        The resulting styles after modification.

      • startRuleUsageTracking

        void startRuleUsageTracking()
        Enables the selector recording.

      • stopRuleUsageTracking

        List<RuleUsage> stopRuleUsageTracking()
        Stop tracking rule usage and return the list of rules that were used since last call to takeCoverageDelta (or since start of coverage instrumentation)

      • takeCoverageDelta

        List<RuleUsage> takeCoverageDelta()
        Obtain list of rules that became used since last call to this method (or since start of coverage instrumentation)