/**

* 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:

*

*/

/**

 @file

 @internalComponent

 @released

*/

#ifndef __CCNTPACKAGER_H__

#define __CCNTPACKAGER_H__

#include <cntdb.h>

#include <badesca.h>

class CContactItem;

class CCntFilter;

class CContactItemViewDef;

class CContactViewDef;

class CContactTextDef;

class CContentType;

class CContactIdArray;

class CViewContact;

/**

The CCntPackager class provides methods for packing and unpacking objects used

in IPC (inter-process communications) messages.

The class contains a dynamically allocated buffer for accommodating different 

kinds of object that will be sent over the process boundaries.

*/

NONSHARABLE_CLASS(CCntPackager) : public CBase

	{

public:

	IMPORT_C static CCntPackager* NewL();

	IMPORT_C ~CCntPackager();

	IMPORT_C TPtr8 PackL(const CContactItem& aItem);

	IMPORT_C TPtr8 PackL(const CContactItem& aItem, TInt& aSize);

	IMPORT_C TPtr8 PackL(const CContentType& aItem);

	IMPORT_C TPtr8 PackL(const CContactTextDef& aItem);	

	IMPORT_C TPtr8 PackL(const CContactItemViewDef& aItem);

	IMPORT_C TPtr8 PackL(const CContactViewDef& aItem);

	IMPORT_C TPtr8 PackL(const CContactIdArray& aItem);

	IMPORT_C TPtr8 PackL(const CCntFilter& aItem);	

	IMPORT_C TPtr8 PackL(const CViewContact& aItem);

	IMPORT_C TPtr8 PackL(const CDesCArray& aItem);

	IMPORT_C TPtr8 PackL(const CArrayFix<CContactDatabase::TSortPref>& aItem);

	IMPORT_C TPtr8 PackL(const CArrayFixFlat<TUid>& aItem);

	IMPORT_C CContactItem* UnpackCntItemLC() const;

	IMPORT_C CContentType* UnpackCntContentTypeLC() const;

	IMPORT_C CContactTextDef* UnpackCntTextDefLC() const;

	IMPORT_C CContactItemViewDef* UnpackCntItemViewDefLC() const;

	IMPORT_C CContactViewDef* UnpackCntViewDefLC() const;

	IMPORT_C CContactIdArray* UnpackCntIdArrayLC() const;

	IMPORT_C CCntFilter* UnpackCntFilterLC() const;

	IMPORT_C CViewContact* UnpackViewContactLC() const;

	IMPORT_C CDesCArray* UnpackDesCArrayLC() const;

	IMPORT_C CArrayFix<CContactDatabase::TSortPref>* UnpackCArrayFixLC() const;

	IMPORT_C CArrayFixFlat<TUid>* UnpackTUidArrayLC() const;

	IMPORT_C void Clear();

	IMPORT_C void SetBufferFromMessageL(const RMessage2& aMessage, TUint aMessageSlot=0);

	IMPORT_C const TDesC8& GetTransmittingBuffer() const;

	IMPORT_C TDes8& GetReceivingBufferL(TInt aSize=0);

private:

	CCntPackager();

	void ConstructL();

	void ResetPointer();	

private:

	CBufFlat* iBuffer;

	TInt iMaxBufferSize;

	mutable TPtr8 transPtr;

	TPtr8 recPtr;

	};

#endif // __CCNTPACKAGER_H__