/*

* Copyright (c) 2005-2007 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:  Phonebook 2 contact info data swapper utility class.

*

*/

// INCLUDE FILES

#include <e32base.h>

#include <bamdesca.h>

// FORWARD DECLARATIONS

class CEikTextListBox;

class CPbk2PresentationContactFieldCollection;

class CPbk2ThumbnailLoader;

// CLASS DECLARATION

/**

 * Phonebook 2 contact info data swapper utility class.

 * Responsible for holding data for a short period of time so that

 * contact info can change the contact to show safely and rollback

 * if an error occurs.

 */

NONSHARABLE_CLASS(CPbk2ContactInfoDataSwapper) : public CBase

    {

    public: // Construction and destruction

        /**

         * Constructor.

         */

        CPbk2ContactInfoDataSwapper();

        /**

         * Destructor.

         */

        ~CPbk2ContactInfoDataSwapper();

    public:  // Interface

        /**

         * Saves data into this object which restores list box's state

         * (model, top and current item index) in this objects destructor.

         */

        void StoreListBoxState(CEikTextListBox& aListBox);

        /**

         * Resets any data set with StoreListBoxState().

         */

        void ResetListBoxState();

        /**

         * Swaps objects.

         *

         * @param aObj1     First object to swap.

         * @param aObj2     Second object to swap.

         */

        template<class Type>

        inline void Swap( Type& aObj1, Type& aObj2 )

            {

            Type tmp = aObj1;

            aObj1 = aObj2;

            aObj2 = tmp;

            }

    public: // Data

        /// Ref: Field collection

        const CPbk2PresentationContactFieldCollection* iFieldCollection;

        /// Own: List box model

        MDesCArray* iListBoxModel;

        /// Ref: List box

        CEikTextListBox* iListBox;

        /// Ref: List box's item array

        MDesCArray* iItemTextArray;

        /// Own: Top item index to restore

        TInt iTopItemIndex;

        /// Own: Current item index to restore

        TInt iCurrentItemIndex;

        /// Own: Title pane text

        HBufC* iTitlePaneText;

        /// Own: Thumbnail loader

        CPbk2ThumbnailLoader* iThumbnailLoader;

    };

// End of File