// command_base.h

// 

// Copyright (c) 2009 - 2010 Accenture. All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the "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:

// Accenture - Initial contribution

//

#ifndef __COMMAND_BASE_H__

#define __COMMAND_BASE_H__

#include <e32base.h>

namespace IoUtils

	{

	NONSHARABLE_CLASS(CCommandCompleter) : public CActive

		{

	public:

		CCommandCompleter(IoUtils::CCommandBase& aCmd);

		~CCommandCompleter();

		void Complete(TInt aError);

		void Complete(TInt aError, const TDesC& aText, RIoWriteHandle& aWhere);

		void Complete(TInt aError, const CTextBuffer* aTextBuffer, RIoWriteHandle& aWhere);

	private:

		virtual void RunL();

		virtual void DoCancel();

	private:

		IoUtils::CCommandBase& iCmd;

		TInt iError;

		const CTextBuffer* iTextBuffer;

		TBuf<0x100> iBuf;

		};

	NONSHARABLE_CLASS(CReaderChangeNotifier) : public CActive

		{

	public:

		CReaderChangeNotifier(IoUtils::CCommandBase& aCmd, RIoReadHandle& aReadHandle);

		~CReaderChangeNotifier();

		void Notify();

	private:

		virtual void RunL();

		virtual void DoCancel();

	private:

		IoUtils::CCommandBase& iCmd;

		RIoReadHandle& iReadHandle;

		TPckgBuf<TUint> iChangeType;

		};

	void Panic(TCmdBasePanic aReason);

	}

#endif //__COMMAND_BASE_H__