flash.events
Class EventDispatcher

java.lang.Object
  com.google.gwt.core.client.JavaScriptObject
      flash.events.EventDispatcher

Direct Known Subclasses:

DisplayObject, SharedObject

public class EventDispatcher
extends com.google.gwt.core.client.JavaScriptObject

Implementation of flash.events.EventDispatcher

Field Summary

static EventType	ACTIVATE Dispatched when Flash Player or an AIR application gains operating system focus and becomes active.
static EventType	DEACTIVATE Dispatched when Flash Player or an AIR application gains operating system focus and becomes active.

Constructor Summary

protected

EventDispatcher()

Method Summary

<T extends Event> void	addEventListener(EventType type, EventHandler<T> listener, boolean useCapture, int priority, boolean useWeakReference) Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.
static EventDispatcher	create()
boolean	dispatchEvent(Event event) Dispatches an event into the event flow.
boolean	hasEventListener(EventType type) Checks whether the EventDispatcher object has any listeners registered for a specific type of event.
void	removeEventListener(EventType type, EventHandler<?> listener, boolean useCapture) Removes a listener from the EventDispatcher object.
boolean	willTrigger(EventType type) Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.

Methods inherited from class com.google.gwt.core.client.JavaScriptObject

cast, createArray, createFunction, createObject, equals, hashCode, toSource, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ACTIVATE

public static final EventType ACTIVATE

Dispatched when Flash Player or an AIR application gains operating system focus and becomes active.

DEACTIVATE

public static final EventType DEACTIVATE

Dispatched when Flash Player or an AIR application gains operating system focus and becomes active.

Constructor Detail

EventDispatcher

protected EventDispatcher()

Method Detail

create

public static EventDispatcher create()

addEventListener

public final <T extends Event> void addEventListener(EventType type,
                                                     EventHandler<T> listener,
                                                     boolean useCapture,
                                                     int priority,
                                                     boolean useWeakReference)

Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.

dispatchEvent

public final boolean dispatchEvent(Event event)

Dispatches an event into the event flow.

hasEventListener

public final boolean hasEventListener(EventType type)

Checks whether the EventDispatcher object has any listeners registered for a specific type of event.

Parameters:

type -

Returns:

removeEventListener

public final void removeEventListener(EventType type,
                                      EventHandler<?> listener,
                                      boolean useCapture)

Removes a listener from the EventDispatcher object.

Parameters:

type -

willTrigger

public final boolean willTrigger(EventType type)

Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.

Returns: