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 QSTMGENERICSIMPLEGESTURE_H_

    20 #define QSTMGENERICSIMPLEGESTURE_H_

    21 #include "qstmgesture_if.h"

    22 #include "qstmuievent_if.h"

    23 

    24 

    25 namespace qstmGesture

    26 {

    27 

    28 /*!

    29  * Class for creating a simple gesture for notifying the listener.

    30  * If the basic features are enough for the gesture, then this class

    31  * is enough to be instantiated; there is the location and speed

    32  * determined from the UI event; also type can be specified as well

    33  * as integer detail data.

    34  */

    35 class QStm_GenericSimpleGesture : public QStm_GestureIf

    36 {

    37 public:

    38     QStm_GenericSimpleGesture(

    39         QStm_GestureUid uid, const QPoint& loc, int type = 0,

    40         const qstmUiEventEngine::QStm_UiEventSpeedIf* speedIf = NULL);

    41 

    42 public: // implementation of QStm_GestureIf

    43 

    44     QStm_GestureUid gestureUid() const { return m_uid; }

    45     void setDetails(void* details) { m_details = details;}  // additional info can be passed here.

    46     virtual QPoint getLocation() const ;  // Location where the gesture happened (if applicable)

    47     virtual int getType() const ;         // If the gesture can have different types

    48     

    49     virtual float getSpeed() const /*__SOFTFP*/

    50     {

    51         return m_speed ? m_speed->speed() : 0.f;

    52     }

    53     

    54     virtual QPointF getSpeedVec() const 

    55     {

    56         return m_speed ? m_speed->speedVec() : QPointF(0.0, 0.0);	

    57     }

    58     

    59     virtual void* getDetails() const ;    // Other possible details....

    60 

    61     virtual void setName(const QString& name) ;

    62     virtual QString getGestureName() ;       // String name for gesture

    63 

    64     virtual void setTarget(void* target) { m_target = target; }

    65     virtual void* target() { return m_target; }

    66     

    67 public:

    68     void setType(int type) { m_type = type; }

    69 

    70 protected:

    71     QPoint              m_location ;

    72     QStm_GestureUid     m_uid;

    73     int                 m_type ;

    74     void*               m_details ;

    75     const qstmUiEventEngine::QStm_UiEventSpeedIf* m_speed ;

    76     QString             m_name ;

    77     void*               m_target;

    78 };

    79 

    80 class QStm_DirectionalGesture : public QStm_GenericSimpleGesture

    81 {

    82 public:

    83     QStm_DirectionalGesture(

    84         QStm_GestureUid uid, const QPoint& loc, const QPoint& prevLoc,

    85         const qstmUiEventEngine::QStm_UiEventSpeedIf* speedIf = NULL, bool logging = false);

    86 

    87     void setVector(const QPoint& last, const QPoint& previous) ;

    88     void setLogging(bool enabled) { m_loggingEnabled = enabled; }

    89 

    90     QPoint getLengthAndDirection() const {return m_vector;}

    91     QStm_GestureDirection getDirection() const ;

    92     int getLength() const

    93     {

    94         return ((m_vector.x() * m_vector.x()) + (m_vector.y() * m_vector.y())) ;

    95     }

    96 

    97 protected:

    98     QPoint m_vector ;

    99     bool m_loggingEnabled ;

   100 };

   101 

   102 class QStm_TwoPointGesture : public QStm_DirectionalGesture

   103 {

   104 public:

   105     QStm_TwoPointGesture(QStm_GestureUid uid, const QPoint& pos1, const QPoint& pos2);

   106 

   107 private:

   108     QPoint m_location2 ;

   109 };

   110 

   111 } // namespace

   112 

   113 

   114 

   115 #endif /* QSTMGENERICSIMPLEGESTURE_H_ */