// 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;

 	}