/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*       Interface classes for accessing Phonebook contact data.

*

*/

#ifndef __MPbkFieldData_H__

#define __MPbkFieldData_H__

//  INCLUDES

#include <cntdef.h>         // TStorageType

#include "PbkFields.hrh"    // TPbkFieldId

// FORWARD DECLARATIONS

class MPbkFieldData;

// CLASS DECLARATION

/**

 * Array of MPbkFieldData objects.

 */

class MPbkFieldDataArray

    {

    public:  // Destructor

        virtual ~MPbkFieldDataArray() {}

    public:  // Abstract interface

        /**

         * Returns the number of field data objects in this array.

         * @return The number of field data objects in this array.

         */

        virtual TInt PbkFieldCount() const = 0;

        /**

         * Returns the field data object at aIndex.

         * @param aIndex    The field to index.

         * @return The field data object at aIndex.

         */

        virtual MPbkFieldData& PbkFieldAt(TInt aIndex) = 0;

        /**

         * Returns the const field data object at aIndex.

         * @return The const field data object at aIndex.

         */

        virtual const MPbkFieldData& PbkFieldAt(TInt aIndex) const = 0;

    };

/**

 * Phonebook field data abstract interface. The interface is used as an

 * abstraction to handle phonebook contact item field data access. 

 * The Phonebook contact item field abstraction TPbkContactItemField 

 * implements this interface.

 */

class MPbkFieldData

    {

    public:  // Destructor

        /**

         * Destructor.

         */

        virtual ~MPbkFieldData() {}

    public:  // Interface

        /**

         * Returns the type of this field data.

         * @return KStrorageTypeText or KStoragetTypeDateTime.

         */

        virtual TStorageType PbkFieldType() const = 0;

        /**

         * Returns the field id of this field data.

         */

        virtual TPbkFieldId PbkFieldId() const = 0;

        /**

         * Returns the text value of this field data.

         * @precond PbkFieldType()==KStrorageTypeText.

         */

        virtual TPtrC PbkFieldText() const = 0;

        /**

         * Returns the Time value of this field data.

         * @precond PbkFieldType()==KStoragetTypeDateTime.

         */

        virtual TTime PbkFieldTime() const = 0;

    };

#endif // __MPbkFieldData_H__

// End of File