/*

* 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 "enginewrapper.h"

// ---------------------------------------------------------------------------

EngineWrapper::EngineWrapper()

{

}

// ---------------------------------------------------------------------------

EngineWrapper::~EngineWrapper()

{

    finalize();

}

// ---------------------------------------------------------------------------

bool EngineWrapper::initialize()

{

    SampleEntry cpu;

    cpu.mDescription = "CPU";

    cpu.mDriveNumber = -1;

    cpu.mGraphColor.setNamedColor("yellow");

    SampleEntry ram;

    ram.mDescription = "RAM";

    ram.mUnitShort = "b";

    ram.mUnitLong = "bytes";

    ram.mDriveNumber = -1;

    ram.mGraphColor.setNamedColor("green");

    SampleEntry cdrive;

    cdrive.mDescription = "C:";

    cdrive.mUnitShort = "b";

    cdrive.mUnitLong = "bytes";

    cdrive.mDriveNumber = 0;

    cdrive.mGraphColor.setNamedColor("cyan");

    SampleEntry ddrive;

    ddrive.mDescription = "D:";

    ddrive.mUnitShort = "b";

    ddrive.mUnitLong = "bytes";

    ddrive.mDriveNumber = 0;

    ddrive.mGraphColor.setNamedColor("blue");

    mEntries << cpu << ram << cdrive << ddrive;

    connect(&mTimer, SIGNAL(timeout()), this, SLOT(update()));

    mStartTime = QTime::currentTime();

    mTimer.start(600);

    return true;

}

// ---------------------------------------------------------------------------

void EngineWrapper::finalize()

{

}

// ---------------------------------------------------------------------------

bool EngineWrapper::updateSettings()

{

    emit settingsUpdated();

    return true;

}

void EngineWrapper::update()

{

    // do some updates :)

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

    {

        SampleEntry & entry = mEntries[i];

        if (entry.mSampleData.length() > 0)

        {

            SampleData data = entry.mSampleData.at(0);

            data.mFree += 10000 * (qrand() % 1000 - 500);

            data.mTimeFromStart = mStartTime.msecsTo(QTime::currentTime()) * 1000;

            entry.mSampleData.prepend(data);

        }

        else

        {

            SampleData data = {100000000L, 200000000L, mStartTime.msecsTo(QTime::currentTime()) * 1000};

            entry.mSampleData.prepend(data);

        }

        if (entry.mSampleData.length() > 64)

        {

            entry.mSampleData.removeLast();

        }

    }

    emit samplesUpdated();

}