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:
- 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
PresentationChangedEvent
public PresentationChangedEvent(ServiceContext source)
- Constructs the event.
- Parameters:
source
- The ServiceContext
that generated the
event.