/*

* Copyright (c) 2008 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:

 *

*/

#ifndef CSTSAPDUEXCHANGER_H

#define CSTSAPDUEXCHANGER_H

//  INCLUDES

#include <e32base.h>

#include <jni.h>

namespace java

{

namespace satsa

{

// FORWARD DECLARATIONS

class CSTSCmdApdu;

class CSTSRespApdu;

class MSTSRespHandler;

class CSTSCardOperationsFacade;

class CSTSGetResponse;

// CLASS DECLARATION

/**

*  Active object for sending APDUs to card.

*

*

*  @since 3.0

*/

NONSHARABLE_CLASS(CSTSApduExchanger): public CActive

{

public:  // Constructors and destructor

    /**

    * Two-phased constructor.

    */

    static CSTSApduExchanger* NewL(JNIEnv* aJni,

    jobject aPeer,

    CSTSCardOperationsFacade* aCOFacade);

    /**

    * Destructor.

    */

    virtual ~CSTSApduExchanger();

public: // New functions

    /**

    * Send gived APDU to card synchronously

    * @since 3.0

    * @param aCmdApdu Command apdu message

    * @param aRespApdu On return contains response apdu

    * @return Error code

    */

    TInt ExchangeApdu(CSTSCmdApdu& aCmdApdu,

                      CSTSRespApdu& aRespApdu);

    /**

    * Send gived APDU to card asynchronously.

    * @since 3.0

    * @param aCmdApdu Command apdu message

    * @param aRespHandler Object which will handle response

    */

    void ExchangeApduAsync(CSTSCmdApdu& aCmdApdu,

                           MSTSRespHandler* aRespHandler);

    /**

    * Send gived APDU to card synchronously. Response bytes can

    * be get after this asynhronous call is returned with help of

    * GetResponseBytes method

    * @since 3.0

    * @param aStatus Status

    * @param aCmdApdu Command apdu message

    */

    void ExchangeApduAsync(TRequestStatus& aStatus,

                           CSTSCmdApdu& aCmdApdu);

    /**

    * Gets response bytes. Asychronous ExchangeApduAsync with status

    * parameter must be called and asynhronous call must be

    * ready before this method is called.

    * @since 3.0

    * @param aRspData Descriptor where data will be saved

    */

    void GetResponseBytes(CSTSRespApdu& aRespApdu);

    /**

    * Cancels pending asynchronous apdu axchange operation.

    * @since 3.0

    */

    void CancelExchange();

    /**

    * Sets channel

    * @since 3.0

    * @param aChannel Used channel

    */

    void SetChannel(TInt aChannel);

    /**

    * Sets reader

    * @since 3.0

    * @param aReader Used reader

    */

    void SetReader(TInt aReader);

    /**

    * Sets connection type.

    * @since 3.0

    * @param aSatConnection True if SAT connection, False if AID connection

    */

    void SetConnectionType(TBool aSatConnection);

protected:  // Functions from base classes

    /**

    * From CActive RunL

    * @return void

    */

    void RunL();

    /**

    * From CActive Cancel request

    * @return void

    */

    void DoCancel();

private:

    /**

    * C++ default constructor.

    */

    CSTSApduExchanger(CSTSCardOperationsFacade* aCOFacade);

    /**

    * By default Symbian 2nd phase constructor is private.

    */

    void ConstructL();

    /**

    * Does needed initialization and exchange call.

    * @since 3.0

    * @param aCmdApdu Command apdu message

    */

    void DoExchange(CSTSCmdApdu& aCmdApdu);

private:    // Data

    // for sending apdus, not owned

    CSTSCardOperationsFacade* iCOFacade;

    // for handling asynchronous call response, not owned

    MSTSRespHandler* iRespHandler;

    // for gathering all responses together

    HBufC8* iRespBuf; //owned

    // for saving one response

    CSTSRespApdu* iRespApdu; //owned

    CSTSGetResponse* iGetResponseApdu; //owned

    // for saving original command apdu

    CSTSCmdApdu* iCmdApdu; //not owned

    CActiveSchedulerWait* iWait; //owned

    TInt iChannel;

    TInt iReader;

    JNIEnv* mJni;

    jobject mPeer;

};

} // namespace satsa

} // namespace java

#endif // CSTSAPDUEXCHANGER_H

// End of File