/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#ifndef QSTMGENERICSIMPLEGESTURE_H_

#define QSTMGENERICSIMPLEGESTURE_H_

#include "qstmgesture_if.h"

#include "qstmuievent_if.h"

namespace qstmGesture

{

/*!

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

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

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

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

 * as integer detail data.

 */

class QStm_GenericSimpleGesture : public QStm_GestureIf

{

public:

    QStm_GenericSimpleGesture(

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

        const qstmUiEventEngine::QStm_UiEventSpeedIf* speedIf = NULL);

public: // implementation of QStm_GestureIf

    QStm_GestureUid gestureUid() const { return m_uid; }

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

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

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

    virtual float getSpeed() const /*__SOFTFP*/

    {

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

    }

    virtual QPointF getSpeedVec() const 

    {

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

    }

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

    virtual void setName(const QString& name) ;

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

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

    virtual void* target() { return m_target; }

public:

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

protected:

    QPoint              m_location ;

    QStm_GestureUid     m_uid;

    int                 m_type ;

    void*               m_details ;

    const qstmUiEventEngine::QStm_UiEventSpeedIf* m_speed ;

    QString             m_name ;

    void*               m_target;

};

class QStm_DirectionalGesture : public QStm_GenericSimpleGesture

{

public:

    QStm_DirectionalGesture(

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

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

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

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

    QPoint getLengthAndDirection() const {return m_vector;}

    QStm_GestureDirection getDirection() const ;

    int getLength() const

    {

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

    }

protected:

    QPoint m_vector ;

    bool m_loggingEnabled ;

};

class QStm_TwoPointGesture : public QStm_DirectionalGesture

{

public:

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

private:

    QPoint m_location2 ;

};

} // namespace

#endif /* QSTMGENERICSIMPLEGESTURE_H_ */