/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#ifndef HB_GESTURE_H

#define HB_GESTURE_H

#include <QObject>

#include "hbglobal.h"

#include <QPointF>

class HbGesture;

class HbGesturePrivate;

class HB_CORE_EXPORT HbGesture : public QObject

{

    Q_OBJECT

public:

    /**

    * Direction of the gesture.

    */

    enum Direction

    {

        /* empty gesture */

        none=0,

        /** Left */

        left= 0x0000001,

        /** Right */

        right= 0x0000002,

        /** Up */

        up= 0x0000004,

        /** Down */

        down= 0x0000008,

        /** Pan */

        pan= 0x0000010,

        /** Longpress */

        longpress= 0x0000020

    };

    /*

    * Defines that the default minimum pixel distance should be used for the gesture.

    * The actual amount of pixels might vary based on the screen resolution.

    */

    static const int HbGestureDefaultMinDistance = -1;

public:

    explicit HbGesture( Direction direction,

    int minDistance = HbGestureDefaultMinDistance,

    QObject *parent = 0 );

    virtual ~HbGesture();

    void callback( int speed );

    void panCallback( QPointF delta );

    void longPressCallback( QPointF delta );

    Direction direction() const;

    int minDistance() const;

signals:

    void triggered( int speed );

    void panned( QPointF delta );

    void longPress( QPointF delta );

private: // Data

    HbGesturePrivate * const d;

};

#endif // HB_GESTURE_H