--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/inc/ncdpurchasehistory.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,123 @@
+/*
+* 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 MNcdPurchaseHistory interface
+*
+*/
+
+
+#ifndef M_NCD_PURCHASE_HISTORY_H
+#define M_NCD_PURCHASE_HISTORY_H
+
+#include "catalogsbase.h"
+#include "ncdinterfaceids.h"
+
+class MNcdPurchaseHistoryFilter;
+class MNcdPurchaseDetails;
+class CNcdPurchaseDetails;
+
+/**
+ *  Purchase history interface.
+ *
+ *  This interface gives access to the purchase history. Purchase details can
+ *  be inserted into the purchase history and list of previously inserted
+ *  details can be asked through this interface.
+ *
+ *  
+ */
+
+class MNcdPurchaseHistory : public virtual MCatalogsBase
+    {
+    
+public:
+
+    /**
+     * Unique identifier for the interface, required for all MCatalogsBase
+     * interfaces.
+     * 
+     */
+    enum { KInterfaceUid = ENcdPurchaseHistoryUid };
+
+    /**
+     * Save purchase into the purchase history. Purchase details of previous
+     * purchase will be overwritten, if Namespace, Entity ID, purchase time
+     * and client UID of new details matches to the previous details.
+     *
+     * 
+     * @param aDetails Details of the purchase.
+     * @param aSaveIcon ETrue by default, which means that a purchase detail icon 
+     * is also saved with other purchase details. If EFalse, a new icon will not be saved 
+     * into the purchase history. This is useful, for example, if an icon was not 
+     * loaded when PurchaseDetailsL function was used and the old icon should be
+     * left into the purchase history when purchase details are saved. 
+     */
+    virtual void SavePurchaseL( const MNcdPurchaseDetails& aDetails,
+                                TBool aSaveIcon = ETrue ) = 0;
+
+    /**
+     * Get purchase IDs from purchase history.
+     *
+     * 
+     * @param aFilter Filter used to get certain purchase IDs from the
+     *  purchase history.
+     * @return Array of purchase IDs. Can be empty.
+     * @exception Leave System wide error code.
+     */
+    virtual RArray<TUint> PurchaseIdsL(
+        const MNcdPurchaseHistoryFilter& aFilter ) = 0;
+
+    /**
+     * Get purchase details from purchase history.
+     *
+     * 
+     * @param aPurchaseId ID of the purchase. PurchaseIdsL function can be
+     * used to get purchase IDs.
+     * @param aLoadIcon If EFalse, icon is not loaded from the purchase history. 
+     * ETrue by default.
+     * @return Purchase details. Ownership is transferred to the caller.
+     * @exception KErrNotFound if purchase is not found.
+     */
+    virtual CNcdPurchaseDetails* PurchaseDetailsL( TUint aPurchaseId, 
+        TBool aLoadIcon = ETrue ) = 0;
+
+    /**
+     * Remove purchase from purchase history.
+     *
+     * 
+     * @param aPurchaseId ID of the purchase. PurchaseIdsL function can be
+     * used to get purchase IDs.
+     * @exception KErrNotFound if purchase is not found.
+     */
+    virtual void RemovePurchaseL( TUint aPurchaseId ) = 0;
+
+    /**
+     * Get count of all purchase events.
+     *
+     * 
+     * @return Total purchase event count.
+     */
+    virtual TUint EventCountL() = 0;
+
+
+protected: // Destruction
+
+    /**
+    * Destructor.
+    *
+    * @see MCatalogsBase::~MCatalogsBase
+    */
+    virtual ~MNcdPurchaseHistory() {}
+
+    };
+
+#endif // M_NCD_PURCHASE_HISTORY_H