com.google.gwt.gadgets.client
Class PubSubFeature

java.lang.Object
  com.google.gwt.gadgets.client.PubSubFeature

All Implemented Interfaces:

GadgetFeature

public class PubSubFeature
extends java.lang.Object
implements GadgetFeature

Provides access to the Ads APIs provided by the container.

Nested Class Summary

static interface

PubSubFeature.PubSubCallback

Nested classes/interfaces inherited from interface com.google.gwt.gadgets.client.GadgetFeature

GadgetFeature.FeatureName, GadgetFeature.MayRequire

Method Summary

void	publish(java.lang.String channelName, java.lang.String message) Publishes a string-type message to a channel.
void	subscribe(java.lang.String channelName, PubSubFeature.PubSubCallback callback) Subscribes a gadget to a message channel.
void	unsubscribe(java.lang.String channelName) Unsubscribes the gadget from a message channel.

Methods inherited from class java.lang.Object

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

Method Detail

publish

public void publish(java.lang.String channelName,
                    java.lang.String message)

Publishes a string-type message to a channel.

Parameters:

channelName - the name of the channel

message - the message to publish

subscribe

public void subscribe(java.lang.String channelName,
                      PubSubFeature.PubSubCallback callback)

Subscribes a gadget to a message channel.

Parameters:

channelName - the name of the channel

callback - A function that will be called with the channel messages

unsubscribe

public void unsubscribe(java.lang.String channelName)

Unsubscribes the gadget from a message channel.

Parameters:

channelName - the name of the channel