TVwsViewEvent Class Reference

class TVwsViewEvent
The TVwsViewEvent class encapsulates the attributes of a view server event. These are:

  • The event type

  • The view ids of the two views associated with the event

  • The attributes of any message which can go with the event.

Public Member Functions
TVwsViewEvent()
TVwsViewEvent(TVwsViewEventType)
TVwsViewEvent(TVwsViewEventType, const TVwsViewId &)
TVwsViewEvent(TVwsViewEventType, const TVwsViewId &, const TVwsViewId &)
TVwsViewEvent(TVwsViewEventType, const TVwsViewId &, const TVwsViewId &, TUid, TInt)
Public Member Enumerations
enumTVwsViewEventType {
EVwsActivateView, EVwsDeactivateView, EVwsScreenDeviceChanged, EVwsDeactivationNotification, EVwsActivationNotification, EVwsDeactivateViewDifferentInstance
}
Public Attributes
TUid iCustomMessageId
TInt iCustomMessageLength
TVwsViewEventType iEventType
TVwsViewId iViewOneId
TVwsViewId iViewTwoId

Constructor & Destructor Documentation

TVwsViewEvent()

TVwsViewEvent()[inline]

TVwsViewEvent(TVwsViewEventType)

TVwsViewEvent(TVwsViewEventTypeaEventType)[inline]

Parameters

TVwsViewEventType aEventType

TVwsViewEvent(TVwsViewEventType, const TVwsViewId &)

TVwsViewEvent(TVwsViewEventTypeaEventType,
const TVwsViewId &aViewOneId
)[inline]

Parameters

TVwsViewEventType aEventType
const TVwsViewId & aViewOneId

TVwsViewEvent(TVwsViewEventType, const TVwsViewId &, const TVwsViewId &)

TVwsViewEvent(TVwsViewEventTypeaEventType,
const TVwsViewId &aViewOneId,
const TVwsViewId &aViewTwoId
)[inline]

Parameters

TVwsViewEventType aEventType
const TVwsViewId & aViewOneId
const TVwsViewId & aViewTwoId

TVwsViewEvent(TVwsViewEventType, const TVwsViewId &, const TVwsViewId &, TUid, TInt)

TVwsViewEvent(TVwsViewEventTypeaEventType,
const TVwsViewId &aViewOneId,
const TVwsViewId &aViewTwoId,
TUidaCustomMessageId,
TIntaCustomMessageLength
)[inline]

Parameters

TVwsViewEventType aEventType
const TVwsViewId & aViewOneId
const TVwsViewId & aViewTwoId
TUid aCustomMessageId
TInt aCustomMessageLength

Member Enumerations Documentation

Enum TVwsViewEventType

Enumerators

EVwsActivateView
EVwsDeactivateView
EVwsScreenDeviceChanged
EVwsDeactivationNotification
EVwsActivationNotification
EVwsDeactivateViewDifferentInstance

Member Data Documentation

TUid iCustomMessageId

TUid iCustomMessageId

The type of message being passed in the custom message buffer

TInt iCustomMessageLength

TInt iCustomMessageLength

The length of the custom message being held by the server. To retrieve the message itself from the server, a buffer of this length must be allocated

TVwsViewEventType iEventType

TVwsViewEventType iEventType

The event type.

TVwsViewId iViewOneId

TVwsViewId iViewOneId
The first view id associated with the event. This has a different meaning for each of the event types:

  • For ActivateView events, it is the view to activate

  • For DeactivateView events, it is the view to deactivate

  • For ScreenDeviceChange events, it is the id of the currently active view

  • For ActivationNotification events, it is the id of the activated view

  • For DeactivationNotification events, it is the id of the deactivated view

TVwsViewId iViewTwoId

TVwsViewId iViewTwoId
The second view id associated with the event. This has a different meaning for each of the event types:

  • For ActivateView events, it is the view that will be deactivated

  • For DeactivateView events, it is the view that has been activated

  • For ScreenDeviceChange events, it is unused

  • For ActivationNotification events, it is the view that will be deactivated

  • For DeactivationNotification events, it is the id of the view that has been activated

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