perfapps/perfmon/ui/hb/win/enginewrapper.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 08:29:47 +0300
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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include "enginewrapper.h"
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// ---------------------------------------------------------------------------
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EngineWrapper::EngineWrapper()
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{
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}
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// ---------------------------------------------------------------------------
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EngineWrapper::~EngineWrapper()
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{
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    finalize();
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}
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// ---------------------------------------------------------------------------
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bool EngineWrapper::initialize()
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{
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    SampleEntry cpu;
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    cpu.mDescription = "CPU";
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    cpu.mDriveNumber = -1;
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    cpu.mGraphColor.setNamedColor("yellow");
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    SampleEntry ram;
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    ram.mDescription = "RAM";
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    ram.mUnitShort = "b";
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    ram.mUnitLong = "bytes";
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    ram.mDriveNumber = -1;
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    ram.mGraphColor.setNamedColor("green");
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    SampleEntry cdrive;
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    cdrive.mDescription = "C:";
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    cdrive.mUnitShort = "b";
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    cdrive.mUnitLong = "bytes";
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    cdrive.mDriveNumber = 0;
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    cdrive.mGraphColor.setNamedColor("cyan");
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    SampleEntry ddrive;
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    ddrive.mDescription = "D:";
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    ddrive.mUnitShort = "b";
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    ddrive.mUnitLong = "bytes";
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    ddrive.mDriveNumber = 0;
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    ddrive.mGraphColor.setNamedColor("blue");
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    mEntries << cpu << ram << cdrive << ddrive;
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    connect(&mTimer, SIGNAL(timeout()), this, SLOT(update()));
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    mStartTime = QTime::currentTime();
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    mTimer.start(600);
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    return true;
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}
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// ---------------------------------------------------------------------------
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void EngineWrapper::finalize()
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{
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}
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// ---------------------------------------------------------------------------
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bool EngineWrapper::updateSettings()
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{
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    emit settingsUpdated();
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    return true;
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}
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void EngineWrapper::update()
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{
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    // do some updates :)
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    for (int i=0; i<mEntries.length(); i++)
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    {
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        SampleEntry & entry = mEntries[i];
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        if (entry.mSampleData.length() > 0)
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        {
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            SampleData data = entry.mSampleData.at(0);
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            data.mFree += 10000 * (qrand() % 1000 - 500);
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            data.mTimeFromStart = mStartTime.msecsTo(QTime::currentTime()) * 1000;
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            entry.mSampleData.prepend(data);
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        }
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        else
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        {
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            SampleData data = {100000000L, 200000000L, mStartTime.msecsTo(QTime::currentTime()) * 1000};
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            entry.mSampleData.prepend(data);
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        }
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        if (entry.mSampleData.length() > 64)
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        {
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            entry.mSampleData.removeLast();
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        }
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    }
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    emit samplesUpdated();
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}