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MHgScrollBufferObserver Class Reference

class MHgScrollBufferObserver : public MHgBufferOwner

Buffer observer interface.

Inherits from

Public Member Functions
voidRequest(TInt, TInt, THgScrollDirection)
Inherited Functions
MHgBufferOwner::Release(TInt,TInt)
Public Member Enumerations
enumTHgScrollDirection { EHgBufferNoMove, EHgBufferReset, EHgBufferScrollUp, EHgBufferScrollDown }

Member Functions Documentation

Request(TInt, TInt, THgScrollDirection)

voidRequest(TIntaRequestStart,
TIntaRequestEnd,
THgScrollDirectionaDirection
)[pure virtual]

Buffer position changed. The items between the aBufferStart and aBufferEnd should be loaded as soon as possible.

Parameters

TInt aRequestStart
TInt aRequestEnd
THgScrollDirection aDirectionScroll direction.

Member Enumerations Documentation

Enum THgScrollDirection

The direction of request.

Enumerators

EHgBufferNoMove
EHgBufferReset
EHgBufferScrollUp
EHgBufferScrollDown

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