PresentationChangedEvent

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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:
  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.

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