Package org.openqa.selenium.devtools.headlessexperimental

Class HeadlessExperimental

java.lang.Object

org.openqa.selenium.devtools.headlessexperimental.HeadlessExperimental

@Beta
public class HeadlessExperimental
extends java.lang.Object

This domain provides experimental commands only supported in headless mode.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HeadlessExperimental.BeginFrameResponse

Constructor Summary

Constructors

Constructor	Description
HeadlessExperimental()

Method Summary

Modifier and Type	Method	Description
static Command<HeadlessExperimental.BeginFrameResponse>	beginFrame(java.util.Optional<java.lang.Number> frameTimeTicks, java.util.Optional<java.lang.Number> interval, java.util.Optional<java.lang.Boolean> noDisplayUpdates, java.util.Optional<ScreenshotParams> screenshot)	Sends a BeginFrame to the target and returns when the frame was completed.
static Command<java.lang.Void>	disable()	Disables headless events for the target.
static Command<java.lang.Void>	enable()	Enables headless events for the target.
static Event<java.lang.Boolean>	needsBeginFramesChanged()

Methods inherited from class java.lang.Object

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

Constructor Detail

HeadlessExperimental

public HeadlessExperimental()

Method Detail

beginFrame

public static Command<HeadlessExperimental.BeginFrameResponse> beginFrame(java.util.Optional<java.lang.Number> frameTimeTicks,
                                                                          java.util.Optional<java.lang.Number> interval,
                                                                          java.util.Optional<java.lang.Boolean> noDisplayUpdates,
                                                                          java.util.Optional<ScreenshotParams> screenshot)

Sends a BeginFrame to the target and returns when the frame was completed. Optionally captures a screenshot from the resulting frame. Requires that the target was created with enabled BeginFrameControl. Designed for use with --run-all-compositor-stages-before-draw, see also https://goo.gl/3zHXhB for more background.

disable

public static Command<java.lang.Void> disable()

Disables headless events for the target.

enable

public static Command<java.lang.Void> enable()

Enables headless events for the target.

needsBeginFramesChanged

public static Event<java.lang.Boolean> needsBeginFramesChanged()