// 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 atclcc.h

// This contains CATClcc which query incoming or waitting call information.

// 

#ifndef ATCLCC_H_

#define ATCLCC_H_

//system include

//user include

#include "atcommandbase.h"

//class forward

class MCallInformationQueryCompleteNotify;

class CATClcc : public CAtCommandBase

	{

public:

	/**

	*  static NewL  

	*

	* @param aGloblePhone

	* @param aCtsyDispatcherCallback

	*/	

	static CATClcc* NewL(CGlobalPhonemanager& aGloblePhone,

			             CCtsyDispatcherCallback& aCtsyDispatcherCallback);

	/**

	*  static NewLC 

	*

	* @param aGloblePhone

	* @param aCtsyDispatcherCallback

	*/	

	static CATClcc* NewLC(CGlobalPhonemanager& aGloblePhone,

			              CCtsyDispatcherCallback& aCtsyDispatcherCallback);

	/**

	 * Destructor

	 * 

	 */

	virtual ~CATClcc();

	/**

	* Virtual function. Inherited from CAtCommandBase

	* 

	* Execute AT Command

	*/

	virtual void ExecuteCommand();

	/**

	* 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);	

	/**

	* Start AT request

	* 

	*/

	virtual void StartRequest();

	/**

	 * Init member variable

	 * 

	 */

	void InitVariable();

	/**

	 * Add query call information complete obsever 

	 * 

	 */

	void AddQueryCallInformationCompleteNotify(MCallInformationQueryCompleteNotify* aQueryCallInfoNotify);

public:

	/**

	 * AT execute result

	 * 

	 */

	enum TATProcessStates

		{

		EProcessNotInProgress,

		EProcessInProgress,

		EProcessError,

		EProcessOK

		};

	/**

	 * Get AT Process status

	 * 

	 */

	TATProcessStates GetProcessStates() const;

	/**

	 * Set AT Process status

	 * 

	 */

	void SetProcessStates(TATProcessStates aProcessState);

protected:

	/**

	* Constructor

	*

	* @param aGloblePhone

	* @param aCtsyDispatcherCallback

	*/	

	CATClcc(CGlobalPhonemanager& aGloblePhone,

			CCtsyDispatcherCallback& aCtsyDispatcherCallback);

	/**

	* 2nd Constructor

	*/	

	void ConstructL();

	/**

	* The last execute end of this command

	* 

	*/	

	virtual void Complete();

private:

	/**

	 * Handle IO errors

	 * 

	 */

	void HandleIOError();

	/**

	 * Handle response error

	 * 

	 */

	void HandleResponseError();

	/**

	 * Handle response OK

	 * 

	 */

	void HandleCLCCComplete();	

	/**

	 * Parse AT clcc result

	 * 

	 */

	void ParseCLCCResponseL(const TDesC8& aResponseBuf);

private:

	/**

	 * At step

	 * 

	 */

	enum TATStep

		{

		EATNotInProgress,

		EATWaitForWriteComplete,

		EATReadComplete

		};

private:

	/**

	 * I/O error when Read or Write

	 * include timeout

	 */

	TInt iIOStatus;

	/**

	 * At command return errors

	 * 

	 */

	TInt iATResult;

	/**

	 * Find OK result

	 * 

	 */

	TBool iOKFounded;

	/**

	 * Identifier step

	 * 

	 */

	TATStep iATStep;

	/**

	 * Process at command states

	 * 

	 */

	TATProcessStates iProcessStates;

	/**

	 * Observer which notify querying call information result

	 * 

	 */

	MCallInformationQueryCompleteNotify* iQueryCallInfoNotify;

	};

#endif /*ATCLCC_H_*/