org.htmlunit.javascript.host.event

Class EventListenersContainer

java.lang.Object

org.htmlunit.javascript.host.event.EventListenersContainer

All Implemented Interfaces:

Serializable

public class EventListenersContainer
extends Object
implements Serializable

Container for event listener.

Author:

Marc Guillemot, Daniel Gredler, Ahmed Ashour, Frank Danek, Ronald Brill, Atsushi Nakagawa

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
EventListenersContainer(EventTarget jsNode) The constructor.

Method Summary

Modifier and Type	Method and Description
boolean	addEventListener(String type, org.htmlunit.corejs.javascript.Scriptable listener, boolean useCapture) Adds an event listener.
void	executeAtTargetListeners(Event event, Object[] args) Executes listeners for events targeting the node.
void	executeBubblingListeners(Event event, Object[] args) Executes bubbling listeners.
void	executeCapturingListeners(Event event, Object[] args) Executes capturing listeners.
org.htmlunit.corejs.javascript.Function	getEventHandler(String eventType) Returns an event handler.
List<org.htmlunit.corejs.javascript.Scriptable>	getListeners(String eventType, boolean useCapture) Returns the relevant listeners.
void	setEventHandler(String eventType, Object value) Sets the handler property (with a handler or something else).
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

EventListenersContainer

public EventListenersContainer(EventTarget jsNode)

The constructor.

Parameters:

jsNode - the node.

Method Detail

addEventListener

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

Adds an event listener.

Parameters:

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

listener - the event listener

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

Returns:

true if the listener has been added

getListeners

public List<org.htmlunit.corejs.javascript.Scriptable> getListeners(String eventType,
                                                                    boolean useCapture)

Returns the relevant listeners.

Parameters:

eventType - the event type

useCapture - whether to use capture of not

Returns:

the listeners list (empty list when empty)

setEventHandler

public void setEventHandler(String eventType,
                            Object value)

Sets the handler property (with a handler or something else).

Parameters:

eventType - the event type (like "click")

value - the new property

executeBubblingListeners

public void executeBubblingListeners(Event event,
                                     Object[] args)

Executes bubbling listeners.

Parameters:

event - the event

args - arguments

executeCapturingListeners

public void executeCapturingListeners(Event event,
                                      Object[] args)

Executes capturing listeners.

Parameters:

event - the event

args - the arguments

executeAtTargetListeners

public void executeAtTargetListeners(Event event,
                                     Object[] args)

Executes listeners for events targeting the node. (non-propagation phase)

Parameters:

event - the event

args - the arguments

getEventHandler

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

Returns an event handler.

Parameters:

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

Returns:

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

toString

public String toString()

Overrides:

toString in class Object