// Copyright (c) 2002-2009 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:

//

#if !defined(__W32COMM_H__)

#define __W32COMM_H__

const TUint KBufferMessageSlot			=0;

const TUint KReplyBufferMessageSlot		=1;

const TUint KRemoteBufferMessageSlot	=2;

const TUint KAsyncMessageSlotAnimDllHandle	=0;

const TUint KAsyncMessageSlotAnimHandle		=1;

class TDescriptorType

	{

public:

	enum TBufferType

		{

		EDes8,

		EDes16,

		EDesC8,

		EDesC16,

		};

public:

	virtual void SetDescriptorOnIpcArgs(TIpcArgs& aIpcArgs) const=0;

protected:

	inline TDescriptorType(TInt aArgument, TBufferType aBufferType) : iArgument(aArgument), iBufferType(aBufferType) {}

protected:

	TInt iArgument;

	TBufferType iBufferType;

	};

class TReadDescriptorType : public TDescriptorType

	{

public:

	inline TReadDescriptorType(const TDesC8* aBuffer) : TDescriptorType((TInt)aBuffer, EDesC8)

		{

		}

	inline TReadDescriptorType(const TDesC16* aBuffer) : TDescriptorType((TInt)aBuffer, EDesC16)

		{

		}

public: // from TDescriptorType

	void SetDescriptorOnIpcArgs(TIpcArgs& aIpcArgs) const;

	};

class TWriteDescriptorType : public TDescriptorType

	{

public:

	inline TWriteDescriptorType(TDes8* aBuffer) : TDescriptorType((TInt)aBuffer, EDes8)

		{

		}

	inline TWriteDescriptorType(TDes16* aBuffer) : TDescriptorType((TInt)aBuffer, EDes16)

		{

		}

public: // from TDescriptorType

	void SetDescriptorOnIpcArgs(TIpcArgs& aIpcArgs) const;

	};

#endif