// 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 RECEIVER_H

#define RECEIVER_H

#include <e32base.h>

#include <remconinterfaceselector.h>

#include <remcon/messagetype.h>

#include "remconserver.h"

class RRemCon;

/**

Active Object for receiving messages from an RRemConController or 

RRemConTarget.

*/

NONSHARABLE_CLASS(CReceiver) : public CActive

	{

public:

	/**

	Factory method.

	@param aRemCon The session to receive on.

	@param aObserver Our observer.

	@param aMaxDataLength The size of the buffer to read operation-associated 

	data into.	

	@param aType The type of session aRemCon is. We pass this back up with new 

	messages so the Interface Selector knows how to handle them.

	@return Ownership of a new CReceiver.

	*/

	static CReceiver* NewL(RRemCon& aRemCon, 

		CRemConInterfaceSelector& aObserver, 

		TUint aMaxDataLength,

		TRemConClientType aType);

	/** Destructor. */

	~CReceiver();

public:

	/** Called when the client wants to receive a message. On completion, 

	notifies the observer and re-issues itself until the client destroys it. 

	*/

	void Receive();

private: // from CActive

	void RunL();

	void DoCancel();

private:

	/** Constructor. */

	CReceiver(RRemCon& aRemCon, 

		CRemConInterfaceSelector& aObserver, 

		TRemConClientType aType);

	void ConstructL(TUint aMaxDataLength);

private: // owned

	// These are the members we pass to the inner client API to get messages 

	// out of RemCon.

	TRemConClientReceivePackage iReceivePackage;

	RBuf8 iData;

	const TRemConClientType iType;

private: // unowned

	RRemCon& iRemCon;

	CRemConInterfaceSelector& iObserver;

	};

#endif // RECEIVER_H