// Copyright (c) 2007-2009 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:

//

#ifndef __CMDLOADSUP_H__

#define __CMDLOADSUP_H__

#include <ssm/ssmsupinfo.h>

#include <ssm/ssmsuscli.h>

#include "ssmdeferrablecommand.h"

class TSsmCommandParameters;

class RReadStream;

/**

Built-in command for loading the SSMA Utility Plugin

@internalComponent

@released

@see RSsmSusCli

@see TSsmSupInfo

*/

NONSHARABLE_CLASS (CCmdLoadSup) : public CSsmDeferrableCommand

	{

public: 

	static CCmdLoadSup* NewL(RReadStream& aReadStream);

	static CCmdLoadSup* NewL(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, TInt16 aRetries, const TSsmSupInfo& aInfo);

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

	static CCmdLoadSup* NewL(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, TInt16 aRetries, const TSsmSupInfo& aInfo, const TUint16 aPriority);

#endif

	static CCmdLoadSup* NewL(TSsmCommandParameters& aCommandParameters);

	//Must be used only by CLE to reconstruct the command

	static CCmdLoadSup* NewLC(const CCmdLoadSup& aCmdLoadSup);

	~CCmdLoadSup();

	// from MSsmCommand

	TSsmCommandType Type() const;

	void ExternalizeL(RWriteStream& aWriteStream) const;

	void Execute(TRequestStatus& aStatus);

	void ExecuteCancel();

	void Release();

	inline TInt16 Retries() const {return iRetries;}

	inline TSsmSupInfo SsmSupInfo() const {return iSupInfo;}

protected:

	// from CActive

	void RunL();

	void DoCancel();

	TInt RunError(TInt aError);

private:	

	CCmdLoadSup();

	CCmdLoadSup(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, TInt16 aRetries);

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

	CCmdLoadSup(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, TInt16 aRetries, const TUint16 aPriority);

#endif

	void InternalizeL(RReadStream& aReadStream);

	void ConstructL(RReadStream& aReadStream);

	void ConstructL(TSsmCommandParameters& aCommandParameters);

	void ConstructL(const TSsmSupInfo& aInfo);

	void ConstructL(const CCmdLoadSup& aCmdLoadSup);

	void ValidateL();

	static TInt MaxSupportedVersion();

	TInt ConnectAndLoadSup();

private:

	RSsmSusCli iSusCli;					// interface to SSMA Utility Server

	TSsmSupInfo iSupInfo;				// plugin info

 	TPckgC<TSsmSupInfo>* iSupInfoBuf;	// descriptor wrapper for plugin info

 	TInt16 iRetries;					// number of retries

	TInt16 iAttempts;					// count of unsuccessful attempts

	TBool iConnected;					// whether connected to service provider or not

	};

#endif // __CMDLOADSUP_H__