/*

* 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:

*

*/

#ifndef __ACTIVEWRITER_H__

#define __ACTIVEWRITER_H__

#include <e32base.h>

#ifndef __OVER_DUMMYUSBLDD__

#include <d32usbc.h>

#else

#include <dummyusblddapi.h>

#endif

class RDevUsbcClient;

class MWriteObserver;

NONSHARABLE_CLASS(CActiveWriter) : public CActive

/**

 * Active object to post write requests on the LDD.

 */

	{

public: 									   

	static CActiveWriter* NewL(MWriteObserver& aParent, RDevUsbcClient& aLdd, TEndpointNumber aEndpoint);

	~CActiveWriter();

public:

	void Write(const TDesC8& aDes, 

		TInt aLen, 

		TBool aZlp);

private:

	CActiveWriter(MWriteObserver& aParent, RDevUsbcClient& aLdd, TEndpointNumber aEndpoint);

private: // from CActive

	virtual void DoCancel();

	virtual void RunL();

private: // unowned

	MWriteObserver& iParent;

	RDevUsbcClient& iLdd;

private: // owned

	TEndpointNumber iEndpoint;

	enum TWritingState

		{

		EFirstMessagePart,

		EFinalMessagePart,

		ECompleteMessage,		

		};

	enum

		{

		KMaxPacketSize = 64, 

		};

	TWritingState iWritingState;

	TPtrC8 iFirstPortion;

	TPtrC8 iSecondPortion;

	};

#endif // __ACTIVEWRITER_H__