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Class TContactViewEvent This class contains information on a contact view event. It is passed to a contact view observer see MContactViewObserver::HandleContactViewEvent(). Member Variables TEventType iEventType the type of event. TInt iInt the error code (where relevant) or the index of the contact item added to or removed from the underlying view. TContactItemId iContactId the identi er of the contact item or group that has been added to or removed from the view.
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Class MContactViewObserver De ned in cntviewbase.h This mixin has a single method that is called when events occur on a contact view. virtual void HandleContactViewEvent(const CContactViewBase& aView, const TContactViewEvent& aEvent) = 0 This method is called when an event occurs on the view that is being observed. aView the view on which the event has occurred (the observer could be observing multiple views). aEvent the event that has occurred.
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Class CContactViewBase De ned in cntviewbase.h This class is the base class for contact views. It includes the Close() method that must be used before a view is deleted. Member Methods TBool Close(const MContactViewObserver& aObserver) This method removes an observer from the view s set of observers. Any outstanding noti cations for the observer are rst canceled. aObserver the observer to be removed. returns ETrue if the view s set of observers is now empty, EFalse if the observer is not in the view s set of observers or if the set is not empty.
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Class CContactLocalView public CContactViewBase , public MContactDbObserver De ned in cntviewbase.h This class holds a view for one client. The data associated with a local view is allocated within the client s memory space; CContactRemoteView should be used in preference if the view is likely to be shared between multiple clients. It is kept up to date by receiving change events from the underlying CContactDatabase object which it observes. The view preferences and sort order are speci ed on construction. Construction Method static CContactLocalView* NewL(MContactViewObserver& aObserver, const CContactDatabase& aDb, const RContactViewSortOrder& aSortOrder, TContactViewPreferences aContactTypes) This method creates a view on a contact database. The view is created asynchronously and is not ready until the observer has reported. aObserver an observer that receives noti cations when this view is ready for use and when changes take place in it. The observer receives a TContactViewEvent::EReady event when the view is ready. An attempt to use the view before this noti cation causes a panic. aDb the underlying database that contains the contact items. The view observes the database, so that it handles change events sent from the database. aSortOrder speci es the elds to use to sort the items in the view. aContactTypes speci es which types of contact items should be included in the view and the behavior for items that do not have content in any of the elds speci ed in the sort order. Properties Methods const RContactViewSortOrder& SortOrder() const const RContactViewSortOrder& SortOrderL() const These methods provide access to the view s sort order, as set during construction. Contrary to the name, SortOrderL() cannot leave. TContactViewPreferences ContactViewPreferences() This method returns the contact view preferences as set during construction. Contact Item Access Methods TInt CountL() const This method returns the number of contact items in the view.
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TContactItemId AtL(TInt aIndex) const This method returns the identi er of the contact item at the speci ed position in the view s array of contact items. aIndex the desired position. const CViewContact& ContactAtL(TInt aIndex) const This method returns data on the contact item at the speci ed position in the view s array of contact items. aIndex the desired position. TInt FindL(TContactItemId aId) const This method searches for the contact item with the speci ed identi er in the view s array of contact items. aId the identi er of the desired contact item. returns the index of the contact item in the view s array of contact items, or KErrNotFound.
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