/* 
 *
 * 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 HSPFEATURECOMMONS_H_
#define HSPFEATURECOMMONS_H_

#include <e32base.h>

class CHsHSPCommand;

/** Profile's procedures */
enum THSPProcedure
{
    /** Voice call termination */
    EHSPCallTerminate,
    /** Voice call acceptance */
    EHSPCallAccept,
    /** Remote volume control */
    EHSPVolumeControl,
    /** Other state */
    EHSPIdle
};

/**
 * @brief Observer for feature's classes
 */
class MHsHSPFeatureProviderObserver
{
public:
    /**
     * Callback method indicates that procedure is finished
     * 
     * @param aErr KErrNone if procedure finishes successfully, 
     *        otherwise one of the system-wide error codes
     * @param aProcedure type of procedure
     */
    virtual void HandleProcedureCompleted( TInt aErr,
            const THSPProcedure aProcedure ) = 0
};

/**
 * @brief Abstract class for particular features 
 */
class MHsHSPProcedureCommons
{
public:

    /**
     * Processes AT command and prepares response
     * 
     * @param aInputCmd input AT command
     * @param aOutputCmd response
     * @return KErrNone if successful, otherwise one of the system-wide error
     *         codes
     */
    virtual TInt ProcessCommand( const CHsHSPCommand* aInputCmd,
            CHsHSPCommand &aOutputCmd ) = 0;
};

#endif /* HSPFEATURECOMMONS_H_ */