/*

* Copyright (c) 2010 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:   Exports Agenda entry to vCalendar or iCalendar data

 *

*/

#ifndef CALENEXPORTER_H

#define CALENEXPORTER_H

//  INCLUDES

#include <e32base.h>

#include <f32file.h>    // for TParse

#include <s32mem.h>

// FORWARD DECLARATIONS

class CCalSession;

class CCalEntry;

class RWriteStream;

class CAgnExternalInterface;

class CCalDataExchange;

class CAgnExternalInterface;

// CLASS DECLARATION

/**

 *  Exports Agenda entry to VCalendar data

 *

 *  @lib Calendar.app

 *  @since 2.0

 */

NONSHARABLE_CLASS (CCalenExporter) : 

    public CBase, 

    public MAgnExportObserver

    {

    public:  // Constructors and destructor

    	/**

    	 *

    	 */

    	IMPORT_C static CCalenExporter* NewL( CCalSession& aSession );

    	/**

    	 *

    	 */

    	IMPORT_C ~CCalenExporter();

    public: // New functions

        /*

         * Exports CCalEntry to RWriteStream. 

         *

         * @param aEntry Calendar entry to export.

         * @param aWriteStream Write stream where calendar entry is exported.     

         * @return None. 

         */    

        IMPORT_C void ExportVCalL( const CCalEntry& aEntry, RWriteStream& aWriteStream );

        IMPORT_C void ExportICalL( const CCalEntry& aEntry, RWriteStream& aWriteStream );

        /*

         * Exports CCalEntries to RWriteStream. Current implementation does not 

         * support exporting multiple CCalEntries into write stream. Method will 

         * leave with error code KErrNotSupported if array contains more than one 

         * entry.

         *

         * @param aArray Array of calendar entries to export.

         * @param aWriteStream Write stream where calendar entry is exported.     

         * @return None. 

         */    

        IMPORT_C void ExportVCalL( const RPointerArray<CCalEntry>& aArray, RWriteStream& aWriteStream );

        IMPORT_C void ExportICalL( const RPointerArray<CCalEntry>& aArray, RWriteStream& aWriteStream );

    protected: // private functions

        CCalenExporter( CCalSession& aSession );

        void ConstructL();

        TInt GetExportFlagsL( const CCalEntry& aEntry );

    protected: // from MAgnExportObserver

        TExpResponse AgnExportErrorL( TExpError aType, const TDesC8& aUid, 

            const TDesC& aContext);    

    private: // Debug

        //writes the exported vCal/iCal to file

        #ifdef TRACE_TO_FILE_EXPORT

            enum TDebugExportType

                {

                EVCal = 0,

                EICal

                };

            void DebugPrintFunction( const CCalEntry& aEntry, const TDebugExportType& aType );

            void WriteStreamToFileL( const CCalEntry& aEntry, const TDebugExportType& aType );

            //Used for incrementing the file number for exported iCals/vCals

            TUint iFileNumber;

            TBool iExported;

        #endif   

    private:    // Data

        CCalSession& iSession;

        // iCalendar specific

    	CAgnExternalInterface*  iICalInterface;    

        /// vCalendar specific 

        CCalDataExchange*       iVCalDataExchange;

    };

#endif      // CALENEXPORTER_H

// End of File