1 /*

     2 * Copyright (c) 2008 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 the License "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: Touch Gesture Recogniser

    15 *

    16 */

    17 

    18 #ifndef TOUCHGESTURERECOGNISER_H_

    19 #define TOUCHGESTURERECOGNISER_H_

    20 

    21 #include "rt_gestureengineif.h"

    22 #include <rt_gestureif.h>

    23 #include <rt_gesturelistener.h>

    24 

    25 class CCoeControl ;

    26 

    27 namespace stmGesture

    28 {

    29 

    30 /*!

    31  * CTouchGestureRecogniser handles touch "gesture".  The purpose is to inform the app

    32  * that a touch has happened.  The gesture is never owned, since most of the gestures start with touch.

    33  * The app may define the area where to watch the gestures, or it can define empty area:

    34  * then the touch is recognised inside the window.

    35  *

    36  */

    37 NONSHARABLE_CLASS( CTouchGestureRecogniser ): public CGestureRecogniser

    38 {

    39 public:

    40     static const TGestureUid KUid = EGestureUidTouch;

    41 

    42     /** Two-phase constructor */

    43     static CTouchGestureRecogniser* NewL(MGestureListener* aListener);

    44     virtual ~CTouchGestureRecogniser();

    45 

    46     /*!

    47      * MGestureRecogniserIf methods

    48      */

    49     virtual TGestureRecognitionState recognise(int numOfActiveStreams, MGestureEngineIf* ge) ;

    50     virtual void release(MGestureEngineIf* ge) ;

    51 

    52     virtual TGestureUid gestureUid() const

    53         {

    54         return KUid;

    55         }

    56 

    57     /*!

    58      * Additional methods to set up edge scroll gesture recogniser:

    59      * define the rectangle where the touch is watched

    60      * \param theArea

    61      */

    62     void setArea(const TRect& theArea) ;

    63 

    64 private:

    65     CTouchGestureRecogniser(MGestureListener* aListener) ;

    66 

    67 private:

    68     TRect m_area ;

    69 };

    70 

    71 } // namespace

    72 

    73 #endif /* TOUCHGESTURERECOGNISER_H_ */