/*

* Copyright (c) 2009 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 FILES

#include "perfmon_valuescontainer.h"

#include "perfmon.hrh"

#include "perfmon_document.h"

#include "perfmon_appui.h"

#include "perfmon_model.h"

#include <AknUtils.h>

_LIT(KFreeFormat,"%S free %S%S"); 

_LIT(KSizeFormat,"%S size %S%S"); 

const TInt KLeftMargin = 2;

// ===================================== MEMBER FUNCTIONS =====================================

void CPerfMonValuesContainer::ConstructL(const TRect& aRect)

    {

    iModel = static_cast<CPerfMonDocument*>(reinterpret_cast<CEikAppUi*>(iEikonEnv->AppUi())->Document())->Model();

    iFont = AknLayoutUtils::FontFromId(EAknLogicalFontSecondaryFont);

    CreateWindowL();

    SetRect(aRect);

    SetBlank();

    ActivateL();

    }

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

CPerfMonValuesContainer::~CPerfMonValuesContainer()

    {

    }

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

void CPerfMonValuesContainer::Draw(const TRect& aRect) const

    {

    CWindowGc& gc = SystemGc();

    gc.SetBrushColor(KRgbWhite);

    gc.Clear(aRect);

    // check if sample array has been constructed

    if (iModel->SampleEntryArray())

        {

        // init font

        gc.SetPenColor(KRgbBlack);

        gc.UseFont( iFont );

        TUint separator = iFont->HeightInPixels()-2;

        // draw CPU %

        TBuf<64> cpuText;

        cpuText.Copy(_L("CPU: "));

        for (TInt i=iModel->CPU0PositionInSamples(); i<iModel->CPU0PositionInSamples()+iModel->AmountOfCPUs(); i++)

            {

            // check if data available

            if (iModel->SampleEntryArray()->At(i).iSampleDataArray->Count() > 0)

                {

                TSampleData& currentSample = iModel->SampleEntryArray()->At(i).iSampleDataArray->At(0);

                cpuText.AppendNum( currentSample.iSize > 0 ? TInt( (1 - ((TReal)(currentSample.iFree) / (TReal)currentSample.iSize)) * 100) : 0 );

                cpuText.Append(_L("% "));

                }

            }

        gc.DrawText(cpuText, TPoint(KLeftMargin,separator));

        TInt c(2);  // line counter

        // draw RAM and Drive values

        for (TInt i=iModel->RAMPositionInSamples(); i<iModel->PowerPositionInSamples(); i++)

            {

            // check if data available

            if (iModel->SampleEntryArray()->At(i).iSampleDataArray->Count() > 0)

                {

                TSampleData& currentSample = iModel->SampleEntryArray()->At(i).iSampleDataArray->At(0);

                if (currentSample.iSize > 0) // draw only when size is known, this should ignore absent drives

                    {

                    TBuf<32> amountBuf;

                    amountBuf.AppendNum(currentSample.iFree, TRealFormat(KDefaultRealWidth, 0));

                    TBuf<32> buf;

                    buf.Format(KFreeFormat, &iModel->SampleEntryArray()->At(i).iDescription, &amountBuf, &iModel->SampleEntryArray()->At(i).iUnitTypeShort);

                    gc.DrawText(buf, TPoint(KLeftMargin,separator*c));

                    c++;

                    amountBuf.Copy(KNullDesC);

                    amountBuf.AppendNum(currentSample.iSize, TRealFormat(KDefaultRealWidth, 0));

                    buf.Format(KSizeFormat, &iModel->SampleEntryArray()->At(i).iDescription, &amountBuf, &iModel->SampleEntryArray()->At(i).iUnitTypeShort);

                    gc.DrawText(buf, TPoint(KLeftMargin,separator*c));

                    c++;

                    }

                }

            }

        // draw power value

        if (iModel->SampleEntryArray()->At(iModel->PowerPositionInSamples()).iSampleDataArray->Count() > 0)

            {

            TSampleData& currentSample = iModel->SampleEntryArray()->At(iModel->PowerPositionInSamples()).iSampleDataArray->At(0);

            if (currentSample.iSize > 0)

                {

                TBuf<32> powerText;

                powerText.Copy(_L("Power "));

                powerText.AppendNum(currentSample.iSize - currentSample.iFree, TRealFormat(KDefaultRealWidth, 0));

                powerText.AppendFormat(_L("%S"), &iModel->SampleEntryArray()->At(iModel->PowerPositionInSamples()).iUnitTypeShort);

                gc.DrawText(powerText, TPoint(KLeftMargin,separator*c));

                }

            }

        gc.DiscardFont();        

        }

    }

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

TKeyResponse CPerfMonValuesContainer::OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType)

    {

    return CCoeControl::OfferKeyEventL(aKeyEvent, aType);

    }

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

void CPerfMonValuesContainer::HandleResourceChange(TInt aType)

    {

    if (aType == KEikDynamicLayoutVariantSwitch)

        {

        TRect mainPaneRect;

        AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, mainPaneRect);

        SetRect(mainPaneRect);

        }

    else

        CCoeControl::HandleResourceChange(aType);    

    }

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

void CPerfMonValuesContainer::DrawUpdate()

    {

    DrawDeferred(); 

    }

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

// End of File