/*

* Copyright (c) 2009 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:  Functional implementation of advanced pointer multitouch service.

*

*/

#ifndef CMULTITOUCHPOINTEREVENTHANDLER_H

#define CMULTITOUCHPOINTEREVENTHANDLER_H

// INCLUDES

#include <HtiServicePluginInterface.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

class CMultiTouchPointerEvent;

/**

* Observer interface for Multi touch event.

*/

class MHtiMultiTouchObserver

    {

public:

    /**

    * Notify multi touch event completed

    */

    virtual void NotifyMultiTouchComplete() = 0;

    };

/**

*  Functional implentation of pointer event service.

*/

class CMultiTouchPointerEventHandler

    {

    public:

        /**

        * Two-phased constructor.

        */

        static CMultiTouchPointerEventHandler* NewL(MHtiMultiTouchObserver& aObserver);

        /**

        * Destructor.

        */

        virtual ~CMultiTouchPointerEventHandler();      

        TBool HandleMultiTouchL( const TDesC8& aData );

        /**

         * Callback function called by CMultiTouchPointerEvent to notify CMultiTouchPointerEventHandler 

         * that this touch action(pointer sequence) is conpleted.

         * @param aTouchNumber touch number ordinal

         */

        void NotifyTouchComplete(TUint8 aTouchNumber);        

        void SimulateEvent(TUint8 aTouchNumber,TInt aX, TInt aY, TInt aZ, TRawEvent::TType aEventType);

        void Clear();

    private:

        /**

        * C++ default constructor.

        */

        CMultiTouchPointerEventHandler(MHtiMultiTouchObserver& aObserver);

        /**

        * 2nd phase constructor.

        */

        void ConstructL();

        TBool ParsePoint( const TDesC8& aData, TInt& aoffset,

        		TInt& aX, TInt& aY, TInt& aZ, 

        		TTimeIntervalMicroSeconds32& aWait, TTimeIntervalMicroSeconds32& aHold );

        TBool ParseMove( const TDesC8& aData, TInt& aoffset,

        		TTimeIntervalMicroSeconds32& aDragTime, TInt& aStepCount );

    private: // data

        RWsSession iWsSession;

        RPointerArray<CMultiTouchPointerEvent> iTouchPointerArray;

        TUint8 iFinishedCount;

        MHtiMultiTouchObserver& iObserver;

		};

#endif // CKEYEVENTHANDLER_H