Package org.htmlunit.javascript.host.event

Class EventListenersContainer

java.lang.Object

org.htmlunit.javascript.host.event.EventListenersContainer

All Implemented Interfaces:

java.io.Serializable

public class EventListenersContainer
extends java.lang.Object
implements java.io.Serializable

Container for event listener.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	EventListenersContainer.TypeContainer

Field Summary

Fields

Modifier and Type	Field	Description
private EventTarget	jsNode_
private static org.apache.commons.logging.Log	LOG
private java.util.concurrent.ConcurrentMap<java.lang.String,EventListenersContainer.TypeContainer>	typeContainers_

Constructor Summary

Constructors

Constructor	Description
EventListenersContainer(EventTarget jsNode)	The constructor.

Method Summary

Modifier and Type	Method	Description
boolean	addEventListener(java.lang.String type, org.htmlunit.corejs.javascript.Scriptable listener, boolean useCapture)	Adds an event listener.
void	executeAtTargetListeners(Event event, java.lang.Object[] args)	Executes listeners for events targeting the node.
void	executeBubblingListeners(Event event, java.lang.Object[] args)	Executes bubbling listeners.
void	executeCapturingListeners(Event event, java.lang.Object[] args)	Executes capturing listeners.
private void	executeEventListeners(int eventPhase, Event event, java.lang.Object[] args)
org.htmlunit.corejs.javascript.Function	getEventHandler(java.lang.String eventType)	Returns an event handler.
java.util.List<org.htmlunit.corejs.javascript.Scriptable>	getListeners(java.lang.String eventType, boolean useCapture)	Returns the relevant listeners.
private EventListenersContainer.TypeContainer	getTypeContainer(java.lang.String type)
(package private) boolean	hasEventListeners(java.lang.String eventType)	Returns true if there are any event listeners for the specified event.
(package private) void	removeEventListener(java.lang.String eventType, org.htmlunit.corejs.javascript.Scriptable listener, boolean useCapture)	Removes event listener.
void	setEventHandler(java.lang.String eventType, java.lang.Object value)	Sets the handler property (with a handler or something else).
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.apache.commons.logging.Log LOG

typeContainers_

private final java.util.concurrent.ConcurrentMap<java.lang.String,EventListenersContainer.TypeContainer> typeContainers_

jsNode_

private final EventTarget jsNode_

Constructor Detail

EventListenersContainer

public EventListenersContainer(EventTarget jsNode)

The constructor.

Parameters:

jsNode - the node.

Method Detail

addEventListener

public boolean addEventListener(java.lang.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

getTypeContainer

private EventListenersContainer.TypeContainer getTypeContainer(java.lang.String type)

getListeners

public java.util.List<org.htmlunit.corejs.javascript.Scriptable> getListeners(java.lang.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)

removeEventListener

void removeEventListener(java.lang.String eventType,
                         org.htmlunit.corejs.javascript.Scriptable listener,
                         boolean useCapture)

Removes event listener.

Parameters:

eventType - the type

listener - the listener

useCapture - to use capture or not

setEventHandler

public void setEventHandler(java.lang.String eventType,
                            java.lang.Object value)

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

Parameters:

eventType - the event type (like "click")

value - the new property

executeEventListeners

private void executeEventListeners(int eventPhase,
                                   Event event,
                                   java.lang.Object[] args)

executeBubblingListeners

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

Executes bubbling listeners.

Parameters:

event - the event

args - arguments

executeCapturingListeners

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

Executes capturing listeners.

Parameters:

event - the event

args - the arguments

executeAtTargetListeners

public void executeAtTargetListeners(Event event,
                                     java.lang.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(java.lang.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

hasEventListeners

boolean hasEventListeners(java.lang.String eventType)

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

Parameters:

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

Returns:

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object