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: release Gesture Recognizer

    15 *

    16 */

    17 

    18 #ifndef RELEASEGESTURERECOGNISER_H_

    19 #define RELEASEGESTURERECOGNISER_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  * CReleaseGestureRecogniser handles release "gesture"

    32  * This is countarpart to touch gesture recogniser, just

    33  * informing the app that ERelease has been seen.

    34  * This should be placed towards the end of the list of gesture

    35  * recognisers, all other recognisers which handle ERelease with

    36  * some other events preceding the ERelease must be before this one.

    37  *

    38  */

    39 NONSHARABLE_CLASS( CReleaseGestureRecogniser ): public CGestureRecogniser

    40 {

    41 public:

    42     static const TGestureUid KUid = EGestureUidRelease;

    43 

    44     /** Two-phase constructor */

    45     static CReleaseGestureRecogniser* NewL(MGestureListener* aListener);

    46     virtual ~CReleaseGestureRecogniser();

    47 

    48     /*!

    49      * MGestureRecogniserIf methods

    50      */

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

    52     virtual void release(MGestureEngineIf* ge) ;

    53 

    54     virtual TGestureUid gestureUid() const

    55         {

    56         return KUid;

    57         }

    58 

    59     /*!

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

    61      * define the rectangle where the touch is watched

    62      * \param theArea

    63      */

    64     void setArea(const TRect& theArea) ;

    65 

    66 private:

    67     CReleaseGestureRecogniser(MGestureListener* aListener) ;

    68 

    69 private:

    70     TRect m_area ;

    71 };

    72 

    73 } // namespace

    74 

    75 #endif /* RELEASEGESTURERECOGNISER_H_ */