/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Gesture Definitions

*

*/

#ifndef GENERICSIMPLEGESTURE_H_

#define GENERICSIMPLEGESTURE_H_

#include <rt_gestureif.h>

#include <rt_uievent.h>

namespace stmGesture

{

/*!

 * 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.

 */

NONSHARABLE_CLASS( TGenericSimpleGesture ): public MGestureIf

{

public:

    TGenericSimpleGesture(

        TGestureUid uid, const TPoint& loc, int type = 0,

        const stmUiEventEngine::MUiEventSpeed* speedIf = NULL);

public: // implementation of MGestureIf

    TGestureUid gestureUid() const { return m_uid; }

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

    /*!

     * MGestureIf methods

     */

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

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

    virtual float getSpeedX() const __SOFTFP

    {

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

    }

    virtual float getSpeedY() const __SOFTFP

    {

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

    }

    virtual int getDetails() const  ;    // Other possible details....

    virtual void setName(const TDesC8& aName) ;

    virtual TPtrC8 getGestureName() ;       // String name for gesture

public:

    void setType(int aType)

        {

        m_type = aType;

        }

protected:

    TPoint m_location ;

    TGestureUid m_uid;

    int m_type ;

    // What would be the other details?

    int m_details ;

    const stmUiEventEngine::MUiEventSpeed* m_speed ;

    TPtrC8 m_name ;

};

NONSHARABLE_CLASS( TDirectionalGesture ): public TGenericSimpleGesture

{

public:

    TDirectionalGesture(

        TGestureUid uid, const TPoint& loc, const TPoint& prevLoc,

        const stmUiEventEngine::MUiEventSpeed* speedIf = NULL, bool logging = false);

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

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

    TPoint getLengthAndDirection() const {return m_vector;}

    TGestureDirection getDirection() const ;

    TInt getLength() const

    {

        return ((m_vector.iX*m_vector.iX)+(m_vector.iY*m_vector.iY)) ;

    }

protected:

    TPoint m_vector ;

    bool m_loggingEnabled ;

};

NONSHARABLE_CLASS( TTwoPointGesture ): public TDirectionalGesture

{

public:

    TTwoPointGesture(TGestureUid uid, const TPoint& pos1, const TPoint& pos2);

    TPoint getPinchEndPos() const { return m_location2; }

private:

    TPoint m_location2 ;

};

} // namespace

#endif /* GENERICSIMPLEGESTURE_H_ */