/*

* Copyright (c) 2002 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:     ARM hardware device for grammar compiling

*

*/

#ifndef ASRADAPTATIONHWDEVICE_H

#define ASRADAPTATIONHWDEVICE_H

//  INCLUDES

#include <asrshwdevice.h>

#include <nsssispeechrecognitiondatadevasr.h>

// Implementation

class CAsrAdaptationAlgorithm;

// CLASS DECLARATION

/**

*  Callback class for adaptation.

*

*  !!@lib asrsadaptationhwdevice.lib

*  @since 2.8

*/

class MASRAdaptationHwDeviceObserver

    {

public:

	    /**!!!

        *  

        * @since 2.8

        * @param none

        * @return  

        */

	virtual void MaahdAdaptationComplete(TInt aError) = 0; 

};

/**

*  Adaptation class 

*

*  !!@lib asrsadaptationhwdevice.lib

*  @since 2.8

*/

class  CASRSAdaptHwDevice : public CASRSHwDevice

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CASRSAdaptHwDevice* NewL(         

         MASRAdaptationHwDeviceObserver& aObserver  );

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CASRSAdaptHwDevice();

    public: // New functions

		/**

        * Retrieve a custom interface

        * @since 2.8

        * @param none

        * @return Pointer to a custom interface

        */

        IMPORT_C TAny* CustomInterface(TUid aInterfaceId);

		/**

        * Initializes the device. Subsequent calls reset the device.

        * @since 2.8

        * @param none

        * @return none

        */

        IMPORT_C void InitializeL();

		/**

        * Clears the device.

        * @since 2.8

        * @param none

        * @return none

        */

        IMPORT_C void Clear();

		/**

        * Start the adaptation.  It will adapt the acoustic models given the feature vector set and phoneme sequences 

		* of a correctly recognized utterance

        * @since 2.8

 		* @param 		aAdaptationData: Buffer that stores data(feature vector) for the speaker adaptation.

		* @param 		aModelBank: Model bank, which is the acoustic model to be adapted.

		* @param 		aPronunciation: Pronunciation of the adaptation utterance.

		* @param 		aLanguage : adaptation language

        * @return		none

        */

        IMPORT_C void StartAdaptationL(const TDesC8& aAdaptationData, 

										CSIModelBank& aModelBank, 

										  CSIPronunciation& aPronunciation,TLanguage aLanguage);

	 	/**

        * Cancel the Adaptation process. No callback is sent to the client.

        * @since 2.8

        * @param none

        * @return none

        */

        IMPORT_C void CancelAdaptation();

		/**

        * Cancels adaptation. No callback is sent to the client.

        * @since 2.8

        * @param none

        * @return none

        */

/*        IMPORT_C void CancelCombination();*/

    public: // Functions from base classes

        /**

        * From ?base_class ?member_description.

        * @since ?Series60_version

        * @param ?arg1 ?description

        * @return ?description

        */

        //?type ?member_function( ?type ?arg1 );

    protected:  // New functions

        /**

        * ?member_description.

        * @since ?Series60_version

        * @param ?arg1 ?description

        * @return ?description

        */

        //?type ?member_function( ?type ?arg1 );

    protected:  // Functions from base classes

        /**

        * From ?base_class ?member_description

        */

        //?type ?member_function();

    private:

        /**

        * C++ default constructor.

        */

         CASRSAdaptHwDevice(MASRAdaptationHwDeviceObserver& anObserver);

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        // Prohibit copy constructor if not deriving from CBase.

        // CASRGrCompilerHwDevice( const CASRGrCompilerHwDevice& );

        // Prohibit assigment operator if not deriving from CBase.

        // CASRGrCompilerHwDevice& operator=( const CASRGrCompilerHwDevice& );

    public:     // Data

        // ?one_line_short_description_of_data

        //?data_declaration;

    protected:  // Data

        // ?one_line_short_description_of_data

        //?data_declaration;

    private:    // Data

        // pronunciation tree builder algorithm

        // CPTBAlgorithm* iPtb;

        // The observer

        MASRAdaptationHwDeviceObserver& iObserver;

        // Implementation-specific functions and data

        CAsrAdaptationAlgorithm *iAlgorithm;

        // Has Initialize() been called

        TBool iIsInitialised;

        // Reserved pointer for future extension.

        TAny* iReserved;

    public:     // Friend classes

        //?friend_class_declaration;

    protected:  // Friend classes

        //?friend_class_declaration;

    private:    // Friend classes

        //?friend_class_declaration;

    };

#endif      // ?INCLUDE_H   

// End of File