1 /*

     2 * Copyright (c) 2010 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: 

    15 *

    16 */

    17 

    18 #ifndef QSTMHOVERINGGESTURERECOGNISER_H_

    19 #define QSTMHOVERINGGESTURERECOGNISER_H_

    20 

    21 #include <qstmgestureengine_if.h>

    22 #include <qstmgesture_if.h>

    23 #include <qstmgesturelistener_if.h>

    24 

    25 namespace qstmGesture

    26 {

    27 /*!

    28  * Recognise hovering gesture.

    29  * If the EMove distance from previous is short enough, then

    30  * we assume hovering gesture.  If the previous UI event is ETouch, EHold or EMove

    31  * and the distance is short enough the gesture takes control.

    32  */

    33 class QStm_HoveringGestureRecogniser : public QStm_GestureRecogniser

    34 {

    35 public:

    36     static const QStm_GestureUid KUid = EGestureUidHover;

    37 

    38     virtual ~QStm_HoveringGestureRecogniser();

    39     virtual QStm_GestureRecognitionState recognise(int numOfActiveStreams, QStm_GestureEngineIf* ge) ;

    40     virtual void release(QStm_GestureEngineIf* ge) ;

    41 

    42     virtual QStm_GestureUid gestureUid() const { return KUid; }

    43 

    44     void setHoveringSpeed(float aSpeed) /*__SOFTFP */;

    45 

    46     QStm_HoveringGestureRecogniser(QStm_GestureListenerIf* listener) ;

    47 private:

    48     bool m_hovering ;

    49     float m_hoveringspeed ;

    50 };

    51 

    52 }

    53 

    54 #endif /* QSTMHOVERINGGESTURERECOGNISER_H_ */