/*

* Copyright (c) 2002 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:  Implementation of single item fetch interface.

*

*/

#ifndef CPHCNTSINGLEITEMFETCHIMPL_H

#define CPHCNTSINGLEITEMFETCHIMPL_H

// INCLUDES

#include    "CPhCntSingleItemFetch.h"

// FORWARD DECLARATIONS

class CPbkSingleItemFetch;

class CPbkSingleItemFetchDlg;

class CPbkFieldIdArray;

class MPhoneCntPbkOwner;

class CPhCntSingleCallFetchDlg;

class CPbkContactItem;

class TPbkContactItemField;

// CLASS DECLARATION

/**

*  It is implementation of single item fetch interface.

*

*  @lib PhoneCntFinder

*  @since 1.0

*/

NONSHARABLE_CLASS( CPhCntSingleItemFetchImpl )

    : public CPhCntSingleItemFetch

    {

    public:  // Constructors and destructor      

        /**

        * Two-phased constructor.

        *

        * @param aPbkOwner phonebook owner interface.

        * @return new instance of the class.

        */

        static CPhCntSingleItemFetchImpl* NewL(

            MPhoneCntPbkOwner& aPbkOwner );

        /**

        * Destructor.

        */

        ~CPhCntSingleItemFetchImpl();

    public: // Functions from base classes

        /**

        * From CPhCntSingleItemFetch

        */

        TInt FetchLD( TFetchParams& aParams );

    private:

        /**

        * C++ constructor.

        */

        CPhCntSingleItemFetchImpl(

            MPhoneCntPbkOwner& aPbkOwner );

        /**

        * Symbian OS constructor.

        */

        void ConstructL();

        /**

        * Fetch DTMF via single item fetch.

        *

        * @param aParams it contains parameters.

        */

        TInt FetchDtmfLD( TFetchParams& aParams );

        /**

        * Fetch new phonenumber field via single item fetch.

        *

        * @param aParams it contains parameters.

        */

        TInt FetchNewCallLD( TFetchParams& aParams );

        /**

        * Generates array of field id for DTMF fetch.

        */

        CPbkFieldIdArray* GenerateFieldIdArrayLC();

        /**

        * Pushes cleanup item to stack that resets some pointers.

        */

        void CleanupResetPtrPushL();

        /**

        * Resets iFetch & iDestroyed pointers.

        */

        static void ResetPointers( TAny* aAny );

        /**

        * Extracts result.

        *

        * @param aParams result will be stored there.

        * @param aItem contact item.

        * @param aField selected field.

        * @return error code.

        */

        static TInt ExtractResult( 

            TFetchParams& aParams,

            const CPbkContactItem* aItem,

            const TPbkContactItemField* aField );

    private:    // Data

        // Ref to pbk owner.

        MPhoneCntPbkOwner& iPbkOwner;

        // Pointer to boolean flag, will be updated to ETrue upon destruction.

        TBool* iDestroyed;

        // Owned: single item fetch

        CPbkSingleItemFetchDlg* iFetch;        

        // Owned: single entry fetch

        CPhCntSingleCallFetchDlg* iEntryFetch;

        // Type of fetch

        CPhCntSingleItemFetch::TFetchType iType;

    };

#endif      // CPHCNTSINGLEITEMFETCHIMPL_H

// End of File