/*

* Copyright (c) 2004 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:  This class implements the interface specified in CMetaDataSource

*				 when audio source is from a descriptor.

*

*/

// INCLUDE FILES

#include	"MetaDataSourceDescriptor.h"

#ifdef _DEBUG

#include	<e32svr.h>

#endif

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

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

// CMetaDataSourceDescriptor::CMetaDataSourceDescriptor

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CMetaDataSourceDescriptor::CMetaDataSourceDescriptor()

    {

    }

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

// CMetaDataSourceDescriptor::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CMetaDataSourceDescriptor::ConstructL(

	const TDesC8& aDes )

    {

	iSource.Set(aDes);

	iLength = iSource.Length();

#ifdef _DEBUG

	RDebug::Print(_L("CMetaDataSourceDescriptor::ConstructL - Done"));

#endif

	}

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

// CMetaDataSourceDescriptor::NewL

// Two-phased constructor.

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

//

CMetaDataSourceDescriptor* CMetaDataSourceDescriptor::NewL(

	const TDesC8& aDes )

    {

#ifdef _DEBUG

	RDebug::Print(_L("CMetaDataSourceDescriptor::NewL"));

#endif

	CMetaDataSourceDescriptor* self = new( ELeave ) CMetaDataSourceDescriptor;

    CleanupStack::PushL( self );

    self->ConstructL( aDes );

    CleanupStack::Pop();

    return self;

    }

// Destructor

CMetaDataSourceDescriptor::~CMetaDataSourceDescriptor()

	{

	}

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

// CMetaDataSourceDescriptor::ReadL

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

//

void CMetaDataSourceDescriptor::ReadL(

	TDes8& aDes )

   	{

	if ( aDes.Length() >= iLength )

		{

		aDes.Copy(iSource);

		}

	else

		{

		aDes.Copy(iSource.Ptr(), aDes.MaxLength());

		}

    }

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

// CMetaDataSourceDescriptor::ReadL

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

//

void CMetaDataSourceDescriptor::ReadL(

	TDes8& aDes,

	TInt aLength )

   	{

   	if(aLength > aDes.MaxLength())

   		{

   		aLength = aDes.MaxLength();

   		}

	aDes.Copy(iSource.Ptr(), aLength);

    }

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

// CMetaDataSourceDescriptor::ReadL

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

//

void CMetaDataSourceDescriptor::ReadL(

	TInt aPos,

	TDes8& aDes )

    {

    if(aPos + aDes.MaxLength() > iLength)

    	{

    	aDes.FillZ(aDes.MaxLength());

    	return;

    	}

	aDes.Copy(iSource.Mid(aPos, aDes.MaxLength()));

    }

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

// CMetaDataSourceDescriptor::ReadL

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

//

void CMetaDataSourceDescriptor::ReadL(

	TInt aPos,

	TDes8& aDes,

	TInt aLength )

    {

    if(aPos + aLength > iLength)

    	{

    	aDes.FillZ(aDes.MaxLength());

    	return;

    	}

    if(aLength > aDes.MaxLength())

   		{

   		aLength = aDes.MaxLength();

   		}

	aDes.Copy(iSource.Mid(aPos, aLength));

	}

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

// CMetaDataSourceDescriptor::Size

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

//

TInt CMetaDataSourceDescriptor::Size(

	TInt& aSize ) const

    {

	aSize = iLength;

    return KErrNone;

    }

//  End of File