/*

* Copyright (c) 2009 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:   CIAUpdateHistory

*

*/

#ifndef IA_UPDATE_HISTORY_IMPL_H

#define IA_UPDATE_HISTORY_IMPL_H

#include <e32base.h>

#include "iaupdatehistory.h"

class MNcdProvider;

class MNcdPurchaseHistory;

class MNcdPurchaseDetails;

/**

 * CIAUpdateHistory provides history items.

 *

 * Notice, the item list is still empty after this class

 * object is created. RefreshL-function has to be called 

 * to get the history items from the purchase history. Also,

 * RefreshL can be used later in the code to refresh the item list.

 *

 * @since S60 v3.2

 */

class CIAUpdateHistory : public CBase,

                         public MIAUpdateHistory

    {

public: 

    /**

     * @param aFamilyUid FamilUid describes the family of the

     * update items.

     * @param aProvider Provider is used to get the purchase history

     * data.

     * @return CIAUpdateHistory*

     *

     * @since S60 v3.2

     */

    static CIAUpdateHistory* NewL( const TUid& aFamilyUid,

                                   MNcdProvider& aProvider );

    /**

     * @see CIAUpdateHistory::NewL

     */

    static CIAUpdateHistory* NewLC( const TUid& aFamilyUid,

                                    MNcdProvider& aProvider );

    /**

     * Destructor

     *

     * @since S60 v3.2

     */

    virtual ~CIAUpdateHistory();

    /**

     * @see MIAUpdateHistory::Items

     */

    virtual const RPointerArray< MIAUpdateHistoryItem >& Items() const;

    /**

     * @see MIAUpdateHistory::RefreshHistoryL

     */

    virtual void RefreshL();

protected:

    /**

     * @return MNcdProvider& Provider is used to get the history 

     * information from the NCD Engine.

     */

    MNcdProvider& Provider();

    /**

     * @return MNcdPurchaseHistory& Purchase history class object that

     * can be used to get the history items.

     */

    MNcdPurchaseHistory& History();

    /**

     * @return const TUid& Family uid that is used for the history items.

     */

    const TUid& FamilyUid() const;

private:

    /**

     * @see CIAUpdateHistory::NewL

     */

    CIAUpdateHistory( const TUid& aFamilyUid,

                      MNcdProvider& aProvider );

    /**

     * ConstructL

     */    

    void ConstructL();

    // Prevent these

    CIAUpdateHistory( const CIAUpdateHistory& aObject );

    CIAUpdateHistory& operator =( const CIAUpdateHistory& aObject );

    // Creates a MIAUpdateHistoryItem object if necessary and 

    // inserts that item into the correct place of the item 

    // array.

    void InsertItemL( MNcdPurchaseDetails* aDetails );

    // This function is used to check if the item type is accepted

    // and if the item should be included into the history.

    TBool AcceptItem( const CNcdPurchaseDetails& aItem ) const;

private: // data

    TUid iFamilyUid;

    MNcdProvider& iProvider;

    // Owned.

    // Notice that this cannot be deleted but the Release has to 

    // be called.

    MNcdPurchaseHistory* iHistory;

    RPointerArray< MIAUpdateHistoryItem > iItems;    

    };

#endif // IA_UPDATE_HISTORY_IMPL_H