CSSDomain

class CSSDomain : Domain

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.

This API is marked as experimental in protocol definition and can change in the future.

Functions

addRule

fun addRule(input: AddRuleRequest): Single<AddRuleResponse>

Inserts a new rule with the given ruleText in a stylesheet with given styleSheetId, at the position specified by location.

collectClassNames

fun collectClassNames(input: CollectClassNamesRequest): Single<CollectClassNamesResponse>

Returns all class names from specified stylesheet.

createStyleSheet

fun createStyleSheet(input: CreateStyleSheetRequest): Single<CreateStyleSheetResponse>

Creates a new special "via-inspector" stylesheet in the frame with given frameId.

description

fun description(): String

Returns domain description.

disable

fun disable(): Single<RequestResponseFrame>

Disables the CSS agent for the given page.

enable

fun enable(): Single<RequestResponseFrame>

Enables the CSS agent for the given page.

events

fun events(): Flowable<Event>

Returns flowable capturing all domains events.

fun events(filter: Predicate<Event>): Flowable<Event>

Returns flowable capturing all domains events matching predicate.

fun <T : Event> events(eventClass: Class<T>): Flowable<T>

Returns flowable capturing all domain events of a given type.

fun <T : Event> events(eventClass: Class<T>, filter: Predicate<T>): Flowable<T>

Returns flowable capturing all domain events of a given type matching predicate.

fontsUpdated

fun fontsUpdated(): Flowable<FontsUpdatedEvent>

Fires whenever a web font is updated.

forcePseudoState

fun forcePseudoState(input: ForcePseudoStateRequest): Single<RequestResponseFrame>

Ensures that the given node will have specified pseudo-classes whenever its style is computed by the browser.

getBackgroundColors

fun getBackgroundColors(input: GetBackgroundColorsRequest): Single<GetBackgroundColorsResponse>

getComputedStyleForNode

fun getComputedStyleForNode(input: GetComputedStyleForNodeRequest): Single<GetComputedStyleForNodeResponse>

Returns the computed style for a DOM node identified by nodeId.

getDependencies

open override fun getDependencies(): List<Domain>

Returns list of dependant domains that should be enabled prior to enabling this domain.

getInlineStylesForNode

fun getInlineStylesForNode(input: GetInlineStylesForNodeRequest): Single<GetInlineStylesForNodeResponse>

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

getMatchedStylesForNode

fun getMatchedStylesForNode(input: GetMatchedStylesForNodeRequest): Single<GetMatchedStylesForNodeResponse>

Returns requested styles for a DOM node identified by nodeId.

getMediaQueries

fun getMediaQueries(): Single<GetMediaQueriesResponse>

Returns all media queries parsed by the rendering engine.

getPlatformFontsForNode

fun getPlatformFontsForNode(input: GetPlatformFontsForNodeRequest): Single<GetPlatformFontsForNodeResponse>

Requests information about platform fonts which we used to render child TextNodes in the given node.

getStyleSheetText

fun getStyleSheetText(input: GetStyleSheetTextRequest): Single<GetStyleSheetTextResponse>

Returns the current textual content for a stylesheet.

mediaQueryResultChanged

fun mediaQueryResultChanged(): Flowable<RawEvent>

Fires whenever a MediaQuery result changes (for example, after a browser window has been resized.) The current implementation considers only viewport-dependent media features.

name

fun name(): String

Returns domain name.

setEffectivePropertyValueForNode

fun setEffectivePropertyValueForNode(input: SetEffectivePropertyValueForNodeRequest): Single<RequestResponseFrame>

Find a rule with the given active property for the given node and set the new value for this property

setKeyframeKey

fun setKeyframeKey(input: SetKeyframeKeyRequest): Single<SetKeyframeKeyResponse>

Modifies the keyframe rule key text.

setLocalFontsEnabled

fun setLocalFontsEnabled(input: SetLocalFontsEnabledRequest): Single<RequestResponseFrame>

Enables/disables rendering of local CSS fonts (enabled by default).

setMediaText

fun setMediaText(input: SetMediaTextRequest): Single<SetMediaTextResponse>

Modifies the rule selector.

setRuleSelector

fun setRuleSelector(input: SetRuleSelectorRequest): Single<SetRuleSelectorResponse>

Modifies the rule selector.

setStyleSheetText

fun setStyleSheetText(input: SetStyleSheetTextRequest): Single<SetStyleSheetTextResponse>

Sets the new stylesheet text.

setStyleTexts

fun setStyleTexts(input: SetStyleTextsRequest): Single<SetStyleTextsResponse>

Applies specified style edits one after another in the given order.

startRuleUsageTracking

fun startRuleUsageTracking(): Single<RequestResponseFrame>

Enables the selector recording.

stopRuleUsageTracking

fun stopRuleUsageTracking(): Single<StopRuleUsageTrackingResponse>

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

styleSheetAdded

fun styleSheetAdded(): Flowable<StyleSheetAddedEvent>

Fired whenever an active document stylesheet is added.

styleSheetChanged

fun styleSheetChanged(): Flowable<StyleSheetChangedEvent>

Fired whenever a stylesheet is changed as a result of the client operation.

styleSheetRemoved

fun styleSheetRemoved(): Flowable<StyleSheetRemovedEvent>

Fired whenever an active document stylesheet is removed.

takeComputedStyleUpdates

fun takeComputedStyleUpdates(): Single<TakeComputedStyleUpdatesResponse>

Polls the next batch of computed style updates.