1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Functional implementation of advanced pointer multitouch service.

    15 *

    16 */

    17 

    18 #ifndef CMULTITOUCHPOINTEREVENTHANDLER_H

    19 #define CMULTITOUCHPOINTEREVENTHANDLER_H

    20 

    21 // INCLUDES

    22 #include <HtiServicePluginInterface.h>

    23 

    24 // CONSTANTS

    25 

    26 // MACROS

    27 

    28 // DATA TYPES

    29 

    30 // FUNCTION PROTOTYPES

    31 

    32 // FORWARD DECLARATIONS

    33 

    34 // CLASS DECLARATION

    35 class CMultiTouchPointerEvent;

    36 

    37 /**

    38 * Observer interface for Multi touch event.

    39 */

    40 class MHtiMultiTouchObserver

    41     {

    42 public:

    43     /**

    44     * Notify multi touch event completed

    45     */

    46     virtual void NotifyMultiTouchComplete() = 0;

    47 

    48     };

    49 /**

    50 *  Functional implentation of pointer event service.

    51 */

    52 class CMultiTouchPointerEventHandler

    53     {

    54     public:

    55         /**

    56         * Two-phased constructor.

    57         */

    58         static CMultiTouchPointerEventHandler* NewL(MHtiMultiTouchObserver& aObserver);

    59 

    60         /**

    61         * Destructor.

    62         */

    63         virtual ~CMultiTouchPointerEventHandler();      

    64 

    65 

    66         TBool HandleMultiTouchL( const TDesC8& aData );

    67 

    68         /**

    69          * Callback function called by CMultiTouchPointerEvent to notify CMultiTouchPointerEventHandler 

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

    71          * @param aTouchNumber touch number ordinal

    72          */

    73         void NotifyTouchComplete(TUint8 aTouchNumber);        

    74      

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

    76         

    77         void Clear();

    78         

    79     private:

    80 

    81         /**

    82         * C++ default constructor.

    83         */

    84         CMultiTouchPointerEventHandler(MHtiMultiTouchObserver& aObserver);

    85 

    86         /**

    87         * 2nd phase constructor.

    88         */

    89         void ConstructL();

    90         

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

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

    93         		TTimeIntervalMicroSeconds32& aWait, TTimeIntervalMicroSeconds32& aHold );

    94         

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

    96         		TTimeIntervalMicroSeconds32& aDragTime, TInt& aStepCount );

    97 

    98     private: // data

    99         RWsSession iWsSession;

   100         RPointerArray<CMultiTouchPointerEvent> iTouchPointerArray;

   101         TUint8 iFinishedCount;

   102         

   103         MHtiMultiTouchObserver& iObserver;

   104 		};

   105 

   106 #endif // CKEYEVENTHANDLER_H