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

**

** 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.

**

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

#include "hbgestures_p.h"

#include "hbswipegesture.h"

#include "hbswipegesture_p.h"

#include "hbglobal_p.h"

#include <QPointF>

#include <QVariant>

/*!

    @hbcore

    \class HbSwipeGesture

    \brief HbSwipeGesture is an extension to Qt standard HbSwipeGesture

    \sa QSwipeGesture

*/

const int KHbDirectionThreshold = 45; // degrees

/*!

    \brief HbSwipeGesture constructor

    \param parent Owner for gesture

*/

HbSwipeGesture::HbSwipeGesture(QObject *parent)

    : QSwipeGesture(parent), d_ptr(new HbSwipeGesturePrivate)

{   

    d_ptr->mSceneSwipeAngle = 0;

}

/*!

    \brief HbSwipeGesture constructor

    \param dd Private data

    \param parent Owner for gesture

*/

HbSwipeGesture::HbSwipeGesture(HbSwipeGesturePrivate &dd, QObject *parent)

    : QSwipeGesture(parent), d_ptr(&dd)

{

}

/*!

    \brief HbSwipeGesture destructor

*/

HbSwipeGesture::~HbSwipeGesture()

{

    delete d_ptr;

}

/*!

    \property sceneHorizontalDirection

    \brief Horizontal direction of swipe in scene coordinates.

    \sa QSwipeGesture::horizontalDirection()

*/

QSwipeGesture::SwipeDirection HbSwipeGesture::sceneHorizontalDirection() const

{

    if ((d_ptr->mSceneSwipeAngle <= 90 - KHbDirectionThreshold && d_ptr->mSceneSwipeAngle >= 0) || d_ptr->mSceneSwipeAngle >= 270 + KHbDirectionThreshold)

        return QSwipeGesture::Right;

    else if (d_ptr->mSceneSwipeAngle >= 90 + KHbDirectionThreshold && d_ptr->mSceneSwipeAngle <= 270 - KHbDirectionThreshold)

        return QSwipeGesture::Left;

    else

        return QSwipeGesture::NoDirection;

}

/*!

    \property sceneVerticalDirection

    \brief Vertical direction of swipe in scene coordinates.

    \sa QSwipeGesture::verticalDirection()

*/

QSwipeGesture::SwipeDirection HbSwipeGesture::sceneVerticalDirection() const

{    

    if (d_ptr->mSceneSwipeAngle < 180 - KHbDirectionThreshold && d_ptr->mSceneSwipeAngle > 0 + KHbDirectionThreshold)

        return QSwipeGesture::Up;

    else if (d_ptr->mSceneSwipeAngle > 180 + KHbDirectionThreshold && d_ptr->mSceneSwipeAngle < 360 - KHbDirectionThreshold)

        return QSwipeGesture::Down;

    else

        return QSwipeGesture::NoDirection;

}

/*!

    \property sceneSwipeAngle

    \brief Angle for swipe in scene coordinates.

    \sa QSwipeGesture::swipeAngle()

*/

qreal HbSwipeGesture::sceneSwipeAngle() const

{

    return d_ptr->mSceneSwipeAngle;

}

void HbSwipeGesture::setSceneSwipeAngle(qreal value)

{

    d_ptr->mSceneSwipeAngle = value;

}

/*!

    \deprecated

    \property speed

*/

qreal HbSwipeGesture::speed() const

{    

    HB_DEPRECATED("HbSwipeGesture::speed is deprecated");

    return 1;

}

void HbSwipeGesture::setSpeed(qreal speed)

{

    Q_UNUSED (speed);

    HB_DEPRECATED("HbSwipeGesture::setSpeed is deprecated");

}

/*!

    \deprecated

    \property touchPointCount

*/

int HbSwipeGesture::touchPointCount() const

{

    HB_DEPRECATED("HbSwipeGesture::touchPointCount is deprecated");

    return 0;

}

void HbSwipeGesture::setTouchPointCount(int touchPointCount)

{

    HB_DEPRECATED("HbSwipeGesture::setTouchPointCount is deprecated");

    Q_UNUSED(touchPointCount)

}