// Copyright (c) 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 atanswer.h

// This contains CATAnswer which answering incomging call.

// 

#ifndef ATANSWER_H_

#define ATANSWER_H_

//system include

//user include

#include "atcommandbase.h"

class CATAnswer : public CAtCommandBase

	{

public:

	/**

	*  static NewL  

	*

	* @param aGloblePhone

	* @param aCtsyDispatcherCallback

	*/	

	static CATAnswer* NewL(CGlobalPhonemanager& aGloblePhone,

			               CCtsyDispatcherCallback& aCtsyDispatcherCallback);

	/**

	*  static NewLC 

	*

	* @param aGloblePhone

	* @param aCtsyDispatcherCallback

	*/	

	static CATAnswer* NewLC(CGlobalPhonemanager& aGloblePhone,

			                CCtsyDispatcherCallback& aCtsyDispatcherCallback);

	/**

	 * Destructor

	 * 

	 */

	virtual ~CATAnswer();

	/**

	 * Seting answer id

	 * 

	 * @param aCallId

	 */

	void SetAnswerCallId(TInt aCallId);

	/**

	 * Seting the call is or not 3rd party

	 * 

	 * 

	 * @param aIsIsvCall ETrue 3rd party  another EFalse

	 */

	void SetIsIsvCall(TBool aIsIsvCall);

	/**

	* Virtual function. Inherited from CAtCommandBase

	* 

	* Execute AT Command

	*/

	virtual void ExecuteCommand();

	/**

	* Start AT request

	* 

	*/

	virtual void StartRequest();

	/**

	* Will be called by AT Manager whenever a event was triggered

	* 

	* @param aEventSource

	* @param aStatus

	*/

	virtual void EventSignal(TAtEventSource aEventSource, TInt aStatus);

	/**

	* Virtual function. Inherited from CAtCommandBase

	* 

	* @param aResponseBuf Line buf reading from baseband 

	*/

	virtual void ParseResponseL(const TDesC8& aResponseBuf);

protected:

	/**

	* Constructor

	*

	* @param aGloblePhone

	* @param aCtsyDispatcherCallback

	*/	

	CATAnswer(CGlobalPhonemanager& aGloblePhone, 

			  CCtsyDispatcherCallback& aCtsyDispatcherCallback);

	/**

	* 2nd Constructor

	*/	

	void ConstructL();

	/**

	* The last execute end of this command

	*/	

	void Complete();

private:

	/**

	 * Handle IO errors

	 * 

	 */

	void HandleIOError();

	/**

	 * Handle response error

	 * 

	 */

	void HandleResponseError();

	/**

	 * Handle response OK

	 * 

	 */

	void HandleConnectedComplete();		

private:

	/**

	 * AT command execute step

	 * 

	 */

	enum TATStep

		{

		EATNotInProgress,

		EATWaitForWriteComplete,

		EATReadComplete

		};	

private:

	/**

	 * I/O error when Read or Write

	 * include timeout

	 */

	TInt iIOStatus;

	/**

	 * At command return errors

	 * 

	 */

	TInt iATResult;

	/**

	 * Identifier step

	 * 

	 */

	TATStep iAnswerStep;	

	/**

	 * answer call id

	 * 

	 */

	TInt iCallId;

	/**

	 * The flag of 3rd party call

	 * 

	 */

	TBool iIsIsvCall;

	};

#endif /*ATANSWER_H_*/