// 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 __CMDPOWEROFF_H__

#define __CMDPOWEROFF_H__

#include <e32power.h>

#include "ssmcommandbase.h"

#ifdef TEST_SSM_GRACEFUL_SHUTDOWN	// for testing purpose

#include <e32property.h>

#endif

class TSsmCommandParameters;

class RReadStream;

/**

Built-in command for powering down the device

@internalComponent

@released

@see TPowerState

*/

NONSHARABLE_CLASS (CCmdPowerOff) : public CSsmCommandBase

	{

public: 

	static CCmdPowerOff* NewL(RReadStream& aReadStream);

	static CCmdPowerOff* NewL(TCmdErrorSeverity aSeverity, TPowerState aPowerEvent);

	static CCmdPowerOff* NewL(TSsmCommandParameters& aCommandParameters);

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

	static CCmdPowerOff* NewLC(const CCmdPowerOff& aCmdPowerOff);

	~CCmdPowerOff();

	// from MSsmCommand

	TSsmCommandType Type() const;

	void ExternalizeL(RWriteStream& aWriteStream) const;

	void Execute(TRequestStatus& aStatus);

	void ExecuteCancel();

	void Release();

	//returns the current power state

	inline TPowerState PowerStateInfo()const {return iState;}

protected:

	// from CActive

	void RunL();

	void DoCancel();

	TInt RunError(TInt aError);

private:	

	CCmdPowerOff();

	CCmdPowerOff(TCmdErrorSeverity aSeverity, TPowerState aState);

	void InternalizeL(RReadStream& aReadStream);

	void ConstructL(RReadStream& aReadStream);

	void ConstructL(TSsmCommandParameters& aCommandParameters);

	void ConstructL(const CCmdPowerOff& aCmdPowerOff);

	void ConstructL();

	void ValidateL();

	static TInt MaxSupportedVersion();

private:

	TPowerState iState;		// system-wide power state

public:

#ifdef TEST_SSM_GRACEFUL_SHUTDOWN	// for testing purpose

	TUint iTestKey;

	TUid iTestCategory;

#endif

	};

#endif // __CMDPOWEROFF_H__