// Copyright (c) 2005-2009 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:

// Part of the MVS Application for TechView

//

#include "MVSSystemInfoDialog.h"

#include "MVSApp.hrh"

#include "MVSAppUI.h"

#include <techview/eikedwin.h>

const TInt KControllerCaptionLength = 23;

const TInt KCodecCaptionLength = 8;

void CMVSSystemInfoDialog::SetupDialogLD(CMVSAppUi* aAppUi)

	{

    CMVSSystemInfoDialog* dialog = new (ELeave) CMVSSystemInfoDialog(aAppUi);

    CleanupStack::PushL(dialog);

    dialog->ConstructL();

    CleanupStack::Pop(dialog);

    dialog->ExecuteLD(R_NEW_MVS_DIALOG_SYSTEMINFO);

    }

void CMVSSystemInfoDialog::PreLayoutDynInitL()

    {

    // Get a downcasted pointer to the controls

    CDesCArrayFlat* arrCtlrCodec = NULL;

    arrCtlrCodec = new(ELeave)CDesCArrayFlat(8);

    CEikEdwin* controlPtr = static_cast<CEikEdwin*>(Control(EMVSCmdSystemInfo));

    if(controlPtr)

	    {

	    controlPtr->SetReadOnly(TRUE);

	    controlPtr->SetBackgroundColorL(KRgbGray);

	    TInt len = 0;

	    TInt counter = 0;

	    //get the array of plugins - audio

		iAppUi->GetSystemInfoL(arrCtlrCodec);

		for(counter=0; counter < arrCtlrCodec->MdcaCount(); counter++)

			{

			len =len + (*arrCtlrCodec)[counter].Length();//getting the total length required to be assigned to HBufC

			}

		_LIT(KControllerCaption,"AVAILABLE CONTROLLERS");

		TInt finalLength =len + counter + KControllerCaptionLength;//adding space for delimiter,

																   //so that every controller is displayed in a newline.	

		HBufC* controllerList = HBufC::NewLC(finalLength);

		controllerList->Des().Append(KControllerCaption);

		controllerList->Des().Append(CEditableText::EParagraphDelimiter);

		for(TInt i=0; i < arrCtlrCodec->MdcaCount(); i++)     

			{

			TBuf<256> data((*arrCtlrCodec)[i]);

			controllerList->Des().Append(data);			

		 	controllerList->Des().Append(CEditableText::EParagraphDelimiter);

		 	}

		//get the array of plugins - video

	    arrCtlrCodec->Reset();

	    RArray<TFourCC> nArrCodecs;

		char *pch = NULL;

		TUint32 unValue;

		TBuf<40> td;

		TInt err = 0;

		TRAP(err,iAppUi->GetSupportedCodecsArrayL(nArrCodecs));

	    if(err==KErrNotSupported)

			{

			TPtrC infoPtr = controllerList->Des();

			controlPtr->SetTextL(&infoPtr);

			CleanupStack::PopAndDestroy(controllerList);

			}

		else

			{

			_LIT(KCodecCaption,"CODECS");

			TInt availableCodecCount = nArrCodecs.Count();

			TInt codecLength = availableCodecCount * 4;//4 becuase thats the size of each codec

			TInt codecDataFinalLength = codecLength + finalLength + availableCodecCount +KCodecCaptionLength;//Final length of the HBuf

			HBufC* newList = controllerList->ReAllocL(codecDataFinalLength);

			CleanupStack::Pop(controllerList);//This is the old pointer which was pushed into the cleanupstack before ReAlloc.

			CleanupStack::PushL(newList);//The new pointer pointing to the new memory allocated after ReAlloc.

		    newList->Des().Append(CEditableText::EParagraphDelimiter);

		    newList->Des().Append(KCodecCaption);

		    newList->Des().Append(CEditableText::EParagraphDelimiter);

		    for(TInt i = 0; i < nArrCodecs.Count(); i++)

		    	{

			   	unValue = nArrCodecs[i].FourCC();

		    	pch =(char*)&unValue;

		    	td.Zero();

		    	td.Append(pch[0]);

		    	td.Append(pch[1]);

		    	td.Append(pch[2]);

		    	td.Append(pch[3]);

		    	newList->Des().Append(td);

		      	newList->Des().Append(CEditableText::EParagraphDelimiter);

		      	}

			TPtrC infoPtr = newList->Des();

			controlPtr->SetTextL(&infoPtr);

			CleanupStack::PopAndDestroy(newList);

			}

	    //set the contents of CEikEdwin - system info control

	    nArrCodecs.Close();

	    delete arrCtlrCodec; 	

	    }

    }

CMVSSystemInfoDialog::CMVSSystemInfoDialog(CMVSAppUi* aAppUi)

: iAppUi(aAppUi)

	{

    //Nothing to do here - all done in initialisation list

    }

CMVSSystemInfoDialog::~CMVSSystemInfoDialog()

	{

	}

void CMVSSystemInfoDialog::ConstructL()

	{

	}

TBool CMVSSystemInfoDialog::OkToExitL(TInt/* aButtonId*/)

    {

    //Nothing to be taken from the user here,

	//Just display the information.

	return ETrue;

	}