/*

* 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: 

*

*/

#include "popupdatacontainer.h"

#include "enginewrapper.h"

#include <QGraphicsLinearLayout>

#include <HbLabel>

#include <QPainter>

const int leftMargin = 2;

PopupDataContainer::PopupDataContainer(const EngineWrapper& engine, QGraphicsItem *parent) :

    DataContainer(engine, parent)

{

    connect(&engine, SIGNAL(samplesUpdated()), this, SLOT(samplesUpdated()));

    HbFontSpec spec(HbFontSpec::Secondary);

    mFont = spec.font();

    mFont.setPixelSize(12);

}

void PopupDataContainer::samplesUpdated()

{

    update();

}

void PopupDataContainer::paint (QPainter *painter,

    const QStyleOptionGraphicsItem *option,

    QWidget *widget)

{

    Q_UNUSED(option);

    Q_UNUSED(widget);

    // set proper font and prepare font metrics for text height calculation

    painter->setFont(mFont);

    QFontMetricsF metrics(mFont);

    QList<SampleEntry> entries = engine().sampleEntries();

    qreal verticalPos = metrics.height();

    for (int i=0; i<entries.length(); i++)

    {

        if (engine().settings().dataPopupSources().isEnabled(i) &&

            entries.at(i).sampleCount() > 0)

        {

            const SampleEntry &entry = entries.at(i);

            const SampleData &sample = entry.sample(0);

            if (i == ESourceCPU)

            {

                // CPU

                double perc = sample.mSize > 0 ?

                              100. - 100. * sample.mFree / sample.mSize : 0;

                QString text = tr("%1 %2%").arg(entry.description()).

                               arg(perc, 0, 'f', 2);

                painter->drawText(QPointF(leftMargin, verticalPos), text);

            }

            else if (i == ESourcePwr)

            {

                // Power

                QString text = tr("%1 %L2%3").arg(entry.description()).

                               arg(sample.mSize - sample.mFree).arg(entry.unitShort());

                painter->drawText(QPointF(leftMargin, verticalPos), text);

            }

            else

            {

                // RAM and Drives

                QString text = tr("%1 free %L2%3").arg(entry.description()).

                               arg(sample.mFree).arg(entry.unitShort());

                painter->drawText(QPointF(leftMargin, verticalPos), text);

            }

            verticalPos += metrics.height();

        }

    }

}