/*

* 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: 

*      A class to convert Phonebook items to vCard stream and vice versa

*

*/

#ifndef __BCARDENG_H__

#define __BCARDENG_H__

// INCLUDES

#include <badesca.h>        // CDesCArrayFlat

#include "PbkFields.hrh"    // TPbkFieldId

// CONSTANTS

_LIT(KPbkvCardFileExtension, ".vcf");

// FORWARD DECLARATIONS

class CPbkContactEngine;

class CPbkContactItem;

class RWriteStream;

class CBCardFieldUidMapping;

class CBCardExportProperty;

class CParserVCard;

// CLASS DECLARATION

/**

 * The business card engine is able to import and export vCards and Compact 

 * Business Cards to and from Phonebook.

 */

class CBCardEngine : public CBase

	{

    public: // Constructors and destructor

        /**

         * Creates a new instance of this class.

		 * @param aEngine An open Phonebook Engine object which CBCardEngine

		 *        uses to import and export vCard data.

         */

		IMPORT_C static CBCardEngine* NewL(CPbkContactEngine* aEngine);

        /**

         * Destructor

         */

		IMPORT_C ~CBCardEngine();

	public: // The main public interface

        /**

         * Reads a vCard record from a stream into a Phonebook contact

		 * item.

		 * @param aDestItem Phonebook contact item where the information

		 *        should be written to. The item should be writable. The

		 *        caller should commit the changes.

		 * @param aSourceStream A stream where the vCard data is read from

         */

		IMPORT_C void ImportBusinessCardL(CPbkContactItem& aDestItem,

			RReadStream &aSourceStream);

        /**

         * Writes a vCard record with information from a Phonebook contact

		 * item.

		 * @param aDestStream A stream where the vCard data is written to.

		 *        The data written to the stream is not Committed by this method.

		 * @param aSourceItem Phonebook contact item where the information

		 *        should be read from

         */

        IMPORT_C void ExportBusinessCardL(RWriteStream& aDestStream,

			CPbkContactItem& aSourceItem);

        /**

         * Reads a Compact Business Card record from a stream into a Phonebook

		 * contact item.

		 * @param aDestItem Phonebook contact item where the information

		 *        must be written to. The item must be writable.

		 *        The caller should commit the changes.

		 * @param aSourceStream A stream where the Compact Business Card

		 *        is read from

		 * @return ETrue on success

         */

        IMPORT_C TBool ImportCompactBusinessCardL(CPbkContactItem& aDestItem,

			RReadStream &aSourceStream);

        /**

         * Checks if given field is supported by the vCard format

         * @param aFieldId Field id type

         * @return ETrue if given field is supported, EFalse otherwise

         */

        IMPORT_C TBool SupportsFieldType(TPbkFieldId aFieldId);

    private:  // Constructors

		CBCardEngine();

		void ConstructL(CPbkContactEngine* aEngine);

    private:    // Private utility methods

        void ProcessExportPropertyL(

            CParserVCard& aParser,

            CPbkContactItem& aSourceItem,

            const CBCardExportProperty& aExportProperty);

        TInt GetLineFromStreamL(TDes& aBuf, RReadStream& aSourceStream);

        TInt GetByteFromStream(TUint8& aByte, RReadStream& aSourceStream);

		class CBCardFieldAction;

    private:

        /// Own: Filename for picture

        HBufC* iPictureFileName;

		/// Own: Filename for thumbnail

		HBufC* iThumbnailFileName;

        /// Own: Instance for property name-Uid mapping

        CBCardFieldUidMapping* iNameUidMap;

        /// Own: Instance for contact field handling

        CBCardFieldAction* iFieldAction;

        /// Ref: Phonebook engine

        CPbkContactEngine* iEngine;

        /// Own: Array of CBCardExportProperty instances for exporting contact

        RPointerArray<CBCardExportProperty> iExportProperties;

	};

#endif // __BCARDENG_H__

// End of File