/*

* Copyright (c) 2002-2004 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:  ASY Proxy Handler

*

*/

#ifndef CACCSRVASYPROXYHANDLER_H

#define CACCSRVASYPROXYHANDLER_H

// INCLUDE FILES

#include "AccSrvHandlerBase.h"

#include "AccSrvNotificationQueue.h"

#include <AsyCmdTypes.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CAccSrvConnectionController;

class CAccPolAccessoryPolicy;

// CLASS DECLARATION

/**

*  ASY transaction related tasks are handled here.

*

*  @lib AccServer.lib

*  @since S60 3.1

*/

NONSHARABLE_CLASS( CAccSrvASYProxyHandler )

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CAccSrvASYProxyHandler* NewL( CAccSrvConnectionController* aConnectionController );

        /**

        * Destructor.

        */

        virtual ~CAccSrvASYProxyHandler();

    public: // New functions

        /**

        * Starts command handling towards ASY.

        * @since S60 3.1

        * @param aCmdId      Defines the ASY command in question.

        * @param aASYCommand Data for ASY command.

        * @param aPtrBuf Pointer to CBufFlat buffer where CAccPolObjectCon object

        *                is externalized to.

        * @return Transaction ID assigned to this operation.

        */

        TInt HandleASYCommsL( TProcessCmdId aCmdId,

                              TASYCommandParamRecord& aASYCommand,

                              TPtr8* aPtrBuf=NULL );

        /**

        * Removes data related to transaction towards ASY.

        * Called when response to ASY request is received.

        *

        * @since S60 3.1

        * @param aTransactionID Transaction in question.

        * @return void

        * @see StoreTransactionID()

        */

        void RemoveTransactionID( TInt aTransactionID );

    public: // Functions from base classes

    protected:  // New functions

    protected:  // Functions from base classes

    private:

        /**

        * Constructor with notify handling.

        */

        CAccSrvASYProxyHandler( CAccSrvConnectionController* aConnectionController );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        struct TAccSrvTrIDMatchingRecord

            {

            TInt              iUniqueID;//Unique DBID of the Generic ID

            TAccPolNameRecord iNameRecord;

            TInt64            iCommand;

            TInt              iTransactionID;

            };

        /**

        * Stores data related to transaction towards ASY.

        * Used internally to filter ASY commands.

        *

        * @since S60 3.1

        * @param aCmdId      Defines the ASY command in question.

        * @param aASYCommand Data for ASY command.

        * @param aPtrBuf Pointer to CBufFlat buffer where CAccPolObjectCon object

        *                is externalized to.

        * @return Transaction ID assigned to this operation.

        * @see RemoveTransactionID

        */

                                 TASYCommandParamRecord& aASYCommand,

                                 TPtr8* aPtrBuf );

        /**

        * Generate a new unique transaction id for ASY transaction handling.

        *

        * @since S60 3.1

        * @return New transaction id.

        */

        TInt GenerateNewTransactionID();

    public:     // Data

    protected:  // Data

    private: //Data

        //Handle to Connection Controller

        CAccSrvConnectionController* iConnectionController; //not owned

        //Ongoing transactions towards ASY are stored here to be able

        //to use existing Transaction ID for filtered ASY commands

        RArray<TAccSrvTrIDMatchingRecord> iOngoingTransactions;

        //Transaction id for ASY communication

        TInt iTransactionId;

    public:     // Friend classes

    protected:  // Friend classes

    private:    // Friend classes

    };

#endif      // CACCSRVASYPROXYHANDLER_H

// End of File