// Copyright (c) 2004-2009 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

*/

#ifndef CONVERTERMANAGER_H

#define CONVERTERMANAGER_H

#include <e32base.h>

class CRemConConverterPlugin;

class MRemConConverterInterface;

/**

Converter manager.

*/

NONSHARABLE_CLASS(CConverterManager) : public CBase

	{

public:

	/**

	Converter manager construction.

	@return Ownership of a new CConverterManager object

	*/

	static CConverterManager* NewL();

	/** Destructor. */

	~CConverterManager();

public:

	/** Returns the converter interface which supports the given outer-layer 

	API and bearer UIDs, or NULL if it does not exist. */

	MRemConConverterInterface* Converter(TUid aInterfaceUid, TUid aBearerUid) const;

	/** Returns the converter interface which supports the given outer-layer 

	API and bearer UIDs, or NULL if it does not exist. */

	MRemConConverterInterface* Converter(const TDesC8& aInterfaceData, TUid aBearerUid) const;

private:

	/** Constructor. */

	CConverterManager();

	/** 2nd-phase construction. */

	void ConstructL();

private: // utility

	/** Called during (2-phase) construction to instantiate all the converter 

	plugins, from ROM only. */

	void LoadAllConvertersL();

#ifdef __FLOG_ACTIVE

	void LogConverters() const;

#endif // __FLOG_ACTIVE

private: // owned

	RPointerArray<CRemConConverterPlugin> iConverters;

	// Struct wrapping a pointer to a converter interface object with the UID 

	// identifying that interface and the UID identifying the converter 

	// supplying the interface.

	// In the current implementation iIfUid will always be the same as we've 

	// only (so far) released one version of the converter API.

	struct TInterfaceInfo

		{

		MRemConConverterInterface* iIf;

		TUid iIfUid;

		TUid iConverterUid;

		};

	RArray<TInterfaceInfo> iConverterIfs;

	};

#endif // CONVERTERMANAGER_H