1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #include "popupdatacontainer.h"

    19 #include "enginewrapper.h"

    20 

    21 #include <QGraphicsLinearLayout>

    22 #include <HbLabel>

    23 #include <QPainter>

    24 

    25 const int leftMargin = 2;

    26 

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

    28     DataContainer(engine, parent)

    29 {

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

    31 

    32     HbFontSpec spec(HbFontSpec::Secondary);

    33     mFont = spec.font();

    34     mFont.setPixelSize(12);

    35     

    36 }

    37 

    38 void PopupDataContainer::samplesUpdated()

    39 {

    40     update();

    41 }

    42 

    43 void PopupDataContainer::paint (QPainter *painter,

    44     const QStyleOptionGraphicsItem *option,

    45     QWidget *widget)

    46 {

    47     Q_UNUSED(option);

    48     Q_UNUSED(widget);

    49 

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

    51     painter->setFont(mFont);

    52     QFontMetricsF metrics(mFont);

    53 

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

    55     qreal verticalPos = metrics.height();

    56 

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

    58     {

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

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

    61         {

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

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

    64 

    65             if (i == ESourceCPU)

    66             {

    67                 // CPU

    68                 double perc = sample.mSize > 0 ?

    69                               100. - 100. * sample.mFree / sample.mSize : 0;

    70 

    71 

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

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

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

    75             }

    76             else if (i == ESourcePwr)

    77             {

    78                 // Power

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

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

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

    82             }

    83             else

    84             {

    85                 // RAM and Drives

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

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

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

    89             }

    90 

    91             verticalPos += metrics.height();

    92         }

    93     }

    94 }