/*
* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Definition of purchase history filter interface and
* implementation class.
*
*/
#ifndef M_NCD_PURCHASE_HISTORY_FILTER_H
#define M_NCD_PURCHASE_HISTORY_FILTER_H
#include <e32base.h>
#include "catalogsbase.h"
/**
* Purchase history filter interface.
*
* Allows setting of client uid(s), entity namespace and id, and event id
* for filtering purchase history information.
*
*
* @see MNcdPurchaseHistory::PurchaseIdsL()
*/
class MNcdPurchaseHistoryFilter
{
public:
/**
* Get client UIDs used in this filter. Purchase events have client UID to
* indicate the creator of the event.
*
*
* @return Array of client UIDs. If empty, all client UIDs match.
*/
virtual const TArray< TUid > ClientUids() const = 0;
/**
* Get the namespace used in this filter.
*
*
* @return Namespace. If empty string, all namespaces match.
*/
virtual const TDesC& Namespace() const = 0;
/**
* Get entity ID used in this filter.
*
*
* @return Entity ID. If empty string, all entity ids match.
*/
virtual const TDesC& EntityId() const = 0;
/**
* Get event ID used in this filter.
*
*
* @return Event ID. Only purchases with a larger event id will match.
*/
virtual TUint EventId() const = 0;
};
#endif // M_NCD_PURCHASE_HISTORY_FILTER_H