/* 

 *

 * Copyright (c) <2010> Comarch S.A. and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Original Contributors:

 * Comarch S.A. - original contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#ifndef HSPDATAHANDLER_H_

#define HSPDATAHANDLER_H_

#include <e32base.h>

class CHsHSPParser;

class CHsHSPCommand;

class CHsHSPFeatureManager;

class CDesC8ArrayFlat;

/** Useful constants */

_LIT8(KHSPCallAcceptCmd, "AT+CKPD=200\r\n");

_LIT8(KHSPCallReleaseCmd, "AT+CKPD=200\r\n");

/**

 * @brief Manages AT commands handling

 */

class CHsHSPDataHandler : public CBase

{

public:

    /**

     * Two-phase constructor

     * @return instance of class

     */

    static CHsHSPDataHandler* NewL();

    /**

     * Two-phase constructor

     * @return instance of class

     */

    static CHsHSPDataHandler* NewLC();

    /**

     * Destructor

     */

    ~CHsHSPDataHandler();

public:

    /**

     * Profile's method for handling AT Commands

     * 

     * @param aDataIn descriptor containing AT command

     * @param aFromAG denotes if datac was sent by AG

     * @param aDataOut response for passed command

     * 

     */

    void ProcessDataL( const TDesC8& aDataIn, const TBool aFromAG,

            TDes8& aDataOut );

    /**

     * Profile's method for handling AG client's disconnection

     * 

     * @param aErr disconnection reason

     */

    void HandleClientDisconnected( TInt aErr );

    /**

     * Profile's method for handling AG client connection

     * 

     * @param aCommandOut AT response

     */

    void HandleClientConnected( TDes8& aCommandOut );

    /**

     * Profile's method for accepting incoming call

     * 

     * @param aCommandOut AT response

     */

    void HandleAcceptCallL( TDes8& aCommandOut );

    /**

     * Profile's method for releasing ongoing call

     * 

     * @param aCommandOut AT response

     */

    void HandleReleaseCallL( TDes8& aCommandOut );

private:

    /**

     * Constructor for performing 1st stage construction

     */

    CHsHSPDataHandler();

    /**

     * Constructor for performing 2nd stage construction

     */

    void ConstructL();

private:

    /**

     * Splits multiple AT commands 

     * 

     * @param aCommands 8-bit descriptor containing AT command(s)

     * @return pointer to array of desciptors (each element is a separate AT command)

     */

    CDesC8ArrayFlat* SplitCommandsL( const TDesC8 &aCommands );

    /**

     * Common funcionality for HandleAcceptCallL() and HandleReleaseCallL().

     * 

     * @param aCommand descriptor containing AT command

     * @param aResponse response for passed command

     * 

     */

    void PerformRequestL( const TDesC8& aCommand, TDes8& aResponse );

private:

    /** Command array's granularity */

    const TInt KCommandArrayGranularity = 2;

    /** Temporary buffer's max length */

    const TInt KTmpBufferLength = 256;

    /** AT command parser, owned */

    CHsHSPParser* iParser;

    /** Feature manager, owned */

    CHsHSPFeatureManager* iFeatureManager;

};

#endif /* HSPDATAHANDLER_H_ */