All Implemented Interfaces:

Serializable, Cloneable, org.htmlunit.corejs.javascript.ConstProperties, org.htmlunit.corejs.javascript.debug.DebuggableObject, org.htmlunit.corejs.javascript.Scriptable, org.htmlunit.corejs.javascript.SymbolScriptable

Direct Known Subclasses:

AbortSignal, Animation, AudioNode, BaseAudioContext, BatteryManager, BroadcastChannel, EventSource, FileReader, FontFaceSet, IDBDatabase, IDBRequest, IDBTransaction, MediaDevices, MediaKeySession, MediaQueryList, MediaRecorder, MediaSource, MediaStream, MediaStreamTrack, MessagePort, MIDIAccess, MIDIPort, NetworkInformation, Node, Notification, PaymentRequest, PaymentResponse, Performance, PermissionStatus, PresentationAvailability, PresentationConnection, PresentationRequest, RemotePlayback, RTCPeerConnection, RTCSctpTransport, Screen, ScreenOrientation, ServiceWorker, ServiceWorkerContainer, ServiceWorkerRegistration, SharedWorker, SourceBuffer, SourceBufferList, SpeechSynthesis, SpeechSynthesisUtterance, TextTrack, TextTrackCue, TextTrackList, WebkitSpeechRecognition, WebSocket, Window, Worker, WorkerGlobalScope, XMLHttpRequestEventTarget

public class EventTarget
extends HtmlUnitScriptable 

Author:

Ahmed Ashour, Ronald Brill, Atsushi Nakagawa

See Also:

Serialized Form

• Nested Class Summary

  • Nested classes/interfaces inherited from class org.htmlunit.corejs.javascript.ScriptableObject

    org.htmlunit.corejs.javascript.ScriptableObject.KeyComparator, org.htmlunit.corejs.javascript.ScriptableObject.LambdaGetterFunction, org.htmlunit.corejs.javascript.ScriptableObject.LambdaSetterFunction

• Field Summary

  • Fields inherited from class org.htmlunit.corejs.javascript.ScriptableObject

    CONST, DONTENUM, EMPTY, PERMANENT, READONLY, UNINITIALIZED_CONST

  • Fields inherited from interface org.htmlunit.corejs.javascript.Scriptable

    NOT_FOUND

• Constructor Summary

  Constructors

  Constructor and Description
  EventTarget ()

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  void	addEventListener (String type, org.htmlunit.corejs.javascript.Scriptable listener, boolean useCapture) Allows the registration of event listeners on the event target.
  protected void	clearEventListenersContainer () Clears the event listener container.
  boolean	dispatchEvent (Event event) Dispatches an event into the event system (standards-conformant browsers only).
  void	executeEventLocally (Event event) Executes the event on this object only (needed for instance for onload on (i)frame tags).
  ScriptResult	fireEvent (Event event) Fires the event on the node with capturing and bubbling phase.
  org.htmlunit.corejs.javascript.Function	getEventHandler (String eventType) Returns the specified event handler.
  EventListenersContainer	getEventListenersContainer () Gets the container for event listeners.
  boolean	hasEventHandlers (String eventName) Returns true if there are any event handlers for the specified event.
  protected boolean	isEventHandlerOnWindow () Is setting event handler property, at window-level.
  void	jsConstructor () JavaScript constructor.
  void	removeEventListener (String type, org.htmlunit.corejs.javascript.Scriptable listener, boolean useCapture) Allows the removal of event listeners on the event target.
  void	setEventHandler (String eventName, Object value) Defines an event handler (or maybe any other object).

  • Methods inherited from class org.htmlunit.javascript.HtmlUnitScriptable

    clone, equivalentValues, get, getBrowserVersion, getClassName, getDefaultValue, getDomNodeOrDie, getDomNodeOrNull, getPrototype, getScriptableFor, getWindow, getWindow, getWindowFromTopCallScope, getWithPreemption, has, hasInstance, initParentScope, makeScriptableFor, put, setClassName, setDomNode, setDomNode, setParentScope, setupPromise, setupRejectedPromise

  • Methods inherited from class org.htmlunit.corejs.javascript.ScriptableObject

    applyDescriptorToAttributeBitset, associateValue, avoidObjectDetection, buildDataDescriptor, callMethod, callMethod, checkPropertyChangeForSlot, checkPropertyDefinition, defineBuiltInProperty, defineBuiltInProperty, defineBuiltInProperty, defineBuiltInProperty, defineClass, defineClass, defineClass, defineConst, defineConstProperty, defineFunctionProperties, defineOwnProperties, defineOwnProperty, defineOwnProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, delete, delete, delete, deleteProperty, deleteProperty, deleteProperty, ensureScriptable, ensureScriptableObject, ensureScriptableObjectButNotSymbol, ensureSymbolScriptable, ensureType, get, get, get, getAllIds, getArrayPrototype, getAssociatedValue, getAttributes, getAttributes, getAttributes, getAttributes, getAttributes, getClassPrototype, getDefaultValue, getExternalArrayData, getExternalArrayLength, getFunctionPrototype, getGeneratorFunctionPrototype, getGetterOrSetter, getGetterOrSetter, getIds, getObjectPrototype, getOwnPropertyDescriptor, getParentScope, getProperty, getProperty, getProperty, getPropertyIds, getPrototype, getSuperProperty, getSuperProperty, getSuperProperty, getTopLevelScope, getTopScopeValue, getTypedProperty, getTypedProperty, getTypeOf, has, has, hasProperty, hasProperty, hasProperty, isAccessorDescriptor, isConst, isDataDescriptor, isEmpty, isExtensible, isFalse, isGenericDescriptor, isGetterOrSetter, isSealed, isTrue, preventExtensions, put, put, putConst, putConstProperty, putOwnProperty, putOwnProperty, putOwnProperty, putProperty, putProperty, putProperty, putSuperProperty, putSuperProperty, putSuperProperty, querySlot, redefineProperty, sameValue, sealObject, setAttributes, setAttributes, setAttributes, setAttributes, setAttributes, setCommonDescriptorProperties, setExternalArrayData, setGetterOrSetter, setPrototype, size

  • Methods inherited from class org.htmlunit.corejs.javascript.SlotMapOwner

    createSlotMap

  • Methods inherited from class java.lang.Object

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

• Constructor Detail

  • EventTarget

    public EventTarget()

• Method Detail

  • jsConstructor

    public void jsConstructor()

    JavaScript constructor.

  • addEventListener

    public void addEventListener(String type,
     org.htmlunit.corejs.javascript.Scriptable listener,
     boolean useCapture)

    Allows the registration of event listeners on the event target.

    Parameters:

    type - the event type to listen for (like "click")

    listener - the event listener

    useCapture - If true, indicates that the user wishes to initiate capture

    See Also:

    Mozilla documentation

  • getEventListenersContainer

    public final EventListenersContainer getEventListenersContainer()

    Gets the container for event listeners.

    Returns:

    the container (newly created if needed)

  • executeEventLocally

    public void executeEventLocally(Event event)

    Executes the event on this object only (needed for instance for onload on (i)frame tags).

    Parameters:

    event - the event

    See Also:

    fireEvent(Event)

  • fireEvent

    public ScriptResult fireEvent(Event event)

    Fires the event on the node with capturing and bubbling phase.

    Parameters:

    event - the event

    Returns:

    the result

  • hasEventHandlers

    public boolean hasEventHandlers(String eventName)

    Returns true if there are any event handlers for the specified event.

    Parameters:

    eventName - the event name (e.g. "onclick")

    Returns:

    true if there are any event handlers for the specified event, false otherwise

  • getEventHandler

    public org.htmlunit.corejs.javascript.Function getEventHandler(String eventType)

    Returns the specified event handler.

    Parameters:

    eventType - the event type (e.g. "click")

    Returns:

    the handler function, or null if the property is null or not a function

  • dispatchEvent

    public boolean dispatchEvent(Event event)

    Dispatches an event into the event system (standards-conformant browsers only). See the Gecko DOM reference for more information.

    Parameters:

    event - the event to be dispatched

    Returns:

    false if at least one of the event handlers which handled the event called preventDefault; true otherwise

  • removeEventListener

    public void removeEventListener(String type,
     org.htmlunit.corejs.javascript.Scriptable listener,
     boolean useCapture)

    Allows the removal of event listeners on the event target.

    Parameters:

    type - the event type to listen for (like "click")

    listener - the event listener

    useCapture - If true, indicates that the user wishes to initiate capture (not yet implemented)

    See Also:

    Mozilla documentation

  • setEventHandler

    public void setEventHandler(String eventName,
     Object value)

    Defines an event handler (or maybe any other object).

    Parameters:

    eventName - the event name (e.g. "click")

    value - the property (null to reset it)

  • isEventHandlerOnWindow

    protected boolean isEventHandlerOnWindow()

    Is setting event handler property, at window-level.

    Returns:

    whether the event handler to be set at window-level

  • clearEventListenersContainer

    protected void clearEventListenersContainer()

    Clears the event listener container.