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 

    19 #ifndef QSTMEDGESCROLLGESTURERECOGNISER_H_

    20 #define QSTMEDGESCROLLGESTURERECOGNISER_H_

    21 

    22 

    23 #include <qstmgestureengine_if.h>

    24 #include <qstmgesture_if.h>

    25 #include <qstmgesturelistener_if.h>

    26 

    27 namespace qstmGesture

    28 {

    29 

    30 /*!

    31  * QStm_EdgeScrollGestureRecogniser handles edge scroll gesture: Hold event near the edges of the window

    32  *

    33  */

    34 class QStm_EdgeScrollGestureRecogniser : public QObject, public QStm_GestureRecogniser

    35 {

    36 public:

    37     static const QStm_GestureUid KUid = EGestureUidEdgeScroll;

    38     

    39     QStm_EdgeScrollGestureRecogniser(QStm_GestureListenerIf* listener) ;

    40     virtual ~QStm_EdgeScrollGestureRecogniser();

    41 

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

    43     virtual void release(QStm_GestureEngineIf* ge) ;

    44     virtual void enable(bool enabled) ;

    45     virtual bool isEnabled() ;

    46     virtual void setOwner(void* owner) ;

    47 

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

    49 

    50     void setArea(const QRect& theArea)  ;

    51 

    52     /*!

    53      * Define how close to the border the Hold UI event must be

    54      * \param rangeInPixels

    55      */

    56     void setScrollRange(int rangeInPixels) ;

    57     /*!

    58      * for testing purposes we need to log the stuff somewhere...

    59      */

    60     virtual void enableLogging(bool loggingOn) ;

    61     /*!

    62      * The timer function to handle timeout for generating scroll events

    63      */

    64 

    65 private:

    66     bool      m_loggingenabled ;

    67     void*     m_powner ; // The owning control for this gesture

    68     QStm_GestureListenerIf* m_listener ;

    69     bool      m_waitingforsecondtap ;

    70     QRect     m_area ;

    71     bool      m_gestureEnabled ;

    72     int       m_rangesizeInPixels ;

    73 };

    74 

    75 } // namespace

    76 

    77 

    78 #endif /* QSTMEDGESCROLLGESTURERECOGNISER_H_ */