/*

* Copyright (c) 2006 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:   Transformation sub session.

*

*/

#ifndef C_ALFSRVTRANSFORMATIONSUBSESSION_H

#define C_ALFSRVTRANSFORMATIONSUBSESSION_H

#include "alfsrvsubsessionbase.h"

class CAlfAppSrvSessionBase;

class CHuiTransformation;

/**

 *  Transformation sub session.

 *

 *  @lib alfappservercore.lib

 *  @since S60 v3.2

 */

NONSHARABLE_CLASS(CAlfSrvTransformationSubSession): public CAlfSrvSubSessionBase

    {

public:

    /**

     * Two-phased constructor

     *

     * @param aSession Session in which this sub session belongs into.

     * @return New object. Ownership transferred.

     */

    static CAlfSrvTransformationSubSession* NewL( CAlfAppSrvSessionBase& aSession );

    /**

     * Two-phased constructor. Leaves the objenct onto the cleanup stack.

     *

     * @param aSession Session in which this sub session belongs into.

     * @return New object on stack. Ownership transferred.

     */

    static CAlfSrvTransformationSubSession* NewLC( CAlfAppSrvSessionBase& aSession );

    /**

     * Destructor.

     */

    virtual ~CAlfSrvTransformationSubSession();

    /**

     * Returns the used transformation.

     *

     * @return Used transformation.

     */

    CHuiTransformation& Transformation();

    /**

     * Sets the used transformation.

     *

     * @param aTransformation Used transformation.

     */

    void SetTransformation( CHuiTransformation* aTransformation );

    /**

     * From CAlfSrvSubSessionBase

     * Processes the message.

     *

     * @param aMessage The message.

     */

    void DoProcessMessageL(const RMessage2& aMessage);

private:

    CAlfSrvTransformationSubSession( CAlfAppSrvSessionBase& aSession );

    void ConstructL();

    void LoadIdentityL(const RMessage2& aMessage);

    void TranslateL(const RMessage2& aMessage);

    void RotateL(const RMessage2& aMessage);

    void CountL(const RMessage2& aMessage);

    void NonIdentityCountL(const RMessage2& aMessage);

    void StepL(const RMessage2& aMessage);

    void ReplaceStepL(const RMessage2& aMessage);

    void Rotate3DL(const RMessage2& aMessage);

    void Scale3DL(const RMessage2& aMessage);

    void Translate2DL(const RMessage2& aMessage);

private: // data

    CHuiTransformation* iTransformation;

    };

#endif // C_ALFSRVTRANSFORMATIONSUBSESSION_H