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javax.tv.service.selection
Class PresentationChangedEvent

java.lang.Object
  java.util.EventObject
      javax.tv.service.selection.ServiceContextEvent
          javax.tv.service.selection.PresentationChangedEvent

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

AlternativeContentEvent, NormalContentEvent

public class PresentationChangedEvent

extends ServiceContextEvent

PresentationChangedEvent indicates that the content being presented in the ServiceContext has changed. PresentationChangedEvent is the parent class of events indicating dynamic changes to the presentation of a service due to interaction with the CA system. It is generated when neither AlternativeContentEvent nor NormalContentEvent are applicable.

Applications may determine the nature of the new content by querying the current ServiceContentHandler instances of the ServiceContext.

See Also:

AlternativeContentEvent, NormalContentEvent, ServiceContentHandler.getServiceContentLocators(), Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

PresentationChangedEvent(ServiceContext source)
Constructs the event.

Methods inherited from class javax.tv.service.selection.ServiceContextEvent

getServiceContext

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

PresentationChangedEvent

public PresentationChangedEvent(ServiceContext source)

Constructs the event.

Parameters:

source - The ServiceContext that generated the event.