javax.tv.service.selection
Class PresentationChangedEvent

java.lang.Object
  extended by java.util.EventObject
      extended by javax.tv.service.selection.ServiceContextEvent
          extended by javax.tv.service.selection.PresentationChangedEvent
All Implemented Interfaces:
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

Constructor Summary
PresentationChangedEvent(ServiceContext source)
          Constructs the event.
 
Method Summary
 
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
equals, 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.