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

**

** 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 "hbprogresstrackitem_p.h"

#include "hbframedrawer.h"

#include <QPainter>

#include "hbframedrawer_p.h"

#include <QBitmap>

HbProgressTrackItem::HbProgressTrackItem(QGraphicsItem* parent)

            :HbFrameItem(new HbFrameDrawer(this),parent)

{

    minimum = 0;

    maximum = 0;

    value = 0;

    maskWidth = 0;

}

HbProgressTrackItem::HbProgressTrackItem(HbFrameDrawer *drawer, QGraphicsItem *parent)

    :HbFrameItem(drawer,parent)

{

    minimum = 0;

    maximum = 0;

    value = 0;

    maskWidth = 0;

}

void HbProgressTrackItem::setMinimum(int min)

{

    minimum = min;

}

void HbProgressTrackItem::setMaximum(int max )

{

    maximum = max;

}

void HbProgressTrackItem::setValue(int val )

{

    value = val;

}

void HbProgressTrackItem::setInverted(bool inv)

{

    inverted = inv;

}

void HbProgressTrackItem::setMaskWidth(qreal width)

{

    maskWidth = width;

}

void HbProgressTrackItem::setOrientation(Qt::Orientation orientation)

{

    mOrientation = orientation;

}

void HbProgressTrackItem::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget )

{

	Q_UNUSED(widget);

	Q_UNUSED(option);

    if(boundingRect()!= parentItem()->boundingRect()){

         setGeometry(parentItem()->boundingRect());

    }

    QSize size = parentItem()->boundingRect().size().toSize();

    if(size.width() == 0 || size.height() == 0){

        size.setWidth((int)boundingRect().width());

        size.setHeight((int)boundingRect().height());

    }

    QRectF maskRect;

    if(maximum != minimum) {

        if(maskWidth == 0) {

            if(mOrientation == Qt::Horizontal){

                qreal left = (qreal)boundingRect().topLeft().x();

                if(inverted) {

                    left = (qreal)boundingRect().width()* ((maximum - value)/(qreal) (maximum - minimum));

                }

                maskRect = QRectF(

                        left,

                        (qreal)boundingRect().topLeft().y(),

                        (qreal)boundingRect().width()* ((value -  minimum)/(qreal) (maximum - minimum)),

                        (qreal)boundingRect().height()

                    );

            }

            else{

				qreal start = boundingRect().bottom() -(qreal)boundingRect().height()*((value -  minimum)/(qreal) (maximum - minimum));

				 maskRect = QRectF(

                        (qreal)boundingRect().topLeft().x(),

                        start,

                        (qreal)boundingRect().width(),

                        boundingRect().height()-start

                    );

            }

        }

    }

	QPixmap mask(size);

    mask.fill(Qt::white);

    QPainter p;

    p.begin(&mask);

    p.setBrush(QBrush(Qt::black));

	p.drawRect(maskRect);

	p.end();

	frameDrawer().setMask(mask);                   

    HbFrameItem::paint(painter,option,widget);

}