// 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:

//

#include <s32strm.h>

#include <barsread2.h>

#include <bautils.h>

#include "cmdpersisthalattributes.h"

#include "ssmdebug.h"

#include "ssmpanic.h"

#include "ssmcommandparameters.h"

/**

Used to create an instance of CCmdPersistHalAttributes class from a read stream.

CSsmCommandList::InternalizeL() uses this method to construct a command from stream.

@param aReadStream Read stream containing data through which object can be created

@return	A pointer to an object of type CCmdPersistHalAttributes.

*/

CCmdPersistHalAttributes* CCmdPersistHalAttributes::NewL(RReadStream& aReadStream)

	{

	CCmdPersistHalAttributes* self = new (ELeave) CCmdPersistHalAttributes();

	CleanupStack::PushL(self);

	self->InternalizeL(aReadStream);

	CleanupStack::Pop(self);

	return self;

	}

/**

Used to create an instance of CCmdPersistHalAttributes class from given parameters.

This method is used by SsmCommandFactory to create a command.

@param aSeverity The severity of the command

@return	A pointer to an object of type CCmdPersistHalAttributes.

*/

CCmdPersistHalAttributes* CCmdPersistHalAttributes::NewL(TCmdErrorSeverity aSeverity)

	{

	CCmdPersistHalAttributes* self = new (ELeave) CCmdPersistHalAttributes(aSeverity);

	return self;

	}

/**

Used to create an instance of CCmdPersistHalAttributes class from resource.

@param aCommandParameters Object data from a resource file

@return	A pointer to an object of type CCmdPersistHalAttributes.

*/

CCmdPersistHalAttributes* CCmdPersistHalAttributes::NewL(TSsmCommandParameters& aCommandParameters)

	{

	CCmdPersistHalAttributes* self = new (ELeave) CCmdPersistHalAttributes();

	CleanupStack::PushL(self);

	self->ConstructL(aCommandParameters);

	CleanupStack::Pop(self);

	return self;

	}

/**

Used to create an instance of CCmdPersistHalAttributes class from CCmdPersistHalAttributes object

Must be used only by CLE

@param aCmdPersistHalAttributes CCmdPersistHalAttributes reference 

@return A pointer to an object of type CCmdPersistHalAttributes.

*/

CCmdPersistHalAttributes* CCmdPersistHalAttributes::NewLC(const CCmdPersistHalAttributes& aCmdPersistHalAttributes)

    {

    CCmdPersistHalAttributes* self = new (ELeave) CCmdPersistHalAttributes(aCmdPersistHalAttributes.Severity());

    CleanupStack::PushL(self);

    self->ConstructL(aCmdPersistHalAttributes);

    return self;

    }

void CCmdPersistHalAttributes::ConstructL(const CCmdPersistHalAttributes& aCmdPersistHalAttributes)

    {

    iConditionalResourceId = aCmdPersistHalAttributes.ConditionalInformation();

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

	if (iConditionalResourceId != 0)

        {

        SetCommandResourceFileNameL(aCmdPersistHalAttributes.GetCommandResourceFileName());

        } 

#endif   

    }

/**

Destructor

*/	

CCmdPersistHalAttributes::~CCmdPersistHalAttributes()

	{

	Cancel();

	}

/**

Initialises the BIC's active object and initiates the command

@param aStatus 	the TRequestStatus of the active object calling this BIC

*/	

void CCmdPersistHalAttributes::Execute( TRequestStatus& aStatus )

	{

	aStatus = KRequestPending;

	iExecuteRequest = &aStatus;

	CompleteRequest(iStatus, KErrNone);

	SetActive();

	}

/**

Releases resources associated with this BIC

*/

void CCmdPersistHalAttributes::Release()

	{

	delete this;

	}

/**

Initiates a Cancel on the object. 

*/

void CCmdPersistHalAttributes::ExecuteCancel()

	{

	Cancel();

	CompleteExecuteRequest(KErrCancel);

	}

/**

Returns the Type of the BIC

@return	The type of the BIC

*/	

TSsmCommandType CCmdPersistHalAttributes::Type() const

	{

	return (ESsmCmdPersistHalAttributes);

	}

/**

Returns the Version of the BIC

@return	The maximum supported version of the BIC

*/	

TInt CCmdPersistHalAttributes::MaxSupportedVersion()

	{

	return (static_cast<TInt>(ECmdPersistHalAttributesInitialVersion));

	}

/**

Configures the BIC using data contained in a ReadStream

@param aReadStream 	A read stream containing BIC data

*/

void CCmdPersistHalAttributes::InternalizeL(RReadStream& aReadStream)

	{

	iSeverity = static_cast<TCmdErrorSeverity>(aReadStream.ReadInt16L());

	}

/**

Externalises the configuration of the BIC

@param aWriteStream A write stream to write BIC data to

*/

void CCmdPersistHalAttributes::ExternalizeL(RWriteStream& aWriteStream) const

	{

	aWriteStream.WriteInt16L(iSeverity);

	}

/**

Completes the tasks of the BIC

*/

void CCmdPersistHalAttributes::RunL()

	{

	// iStatus.Int() is always KErrNone as Execute() sets it to KErrNone

	const TInt error = BaflUtils::PersistHAL();

	// These ASSERT_DEBUG statements are useful when the command is executed with 

	// IgnoreFailure Severity. Any error is supressed with a panic in DEBUG builds

	__ASSERT_DEBUG((KErrNone == error), PanicNow(KPanicCmdPersistHalAttributes, ECmdExecutionFailed));

	// If it fails in UREL builds, the error is just returned to CLE

	CompleteExecuteRequest(error);

	}

/**

Called to handle any cleanup if RunL leaves

@param aError The error to finish with

@return	KErrNone

*/

TInt CCmdPersistHalAttributes::RunError(TInt aError)

	{

	CompleteExecuteRequest(aError);

	return KErrNone;

	}

/**

Called during cancellation of the active BIC

*/

void CCmdPersistHalAttributes::DoCancel()

	{

	}

/**

Default constructor.

*/

CCmdPersistHalAttributes::CCmdPersistHalAttributes()

	{

	}

/**

Overloaded constructor

@param aSeverity The severity of the command

*/

CCmdPersistHalAttributes::CCmdPersistHalAttributes(TCmdErrorSeverity aSeverity)

	: CSsmCommandBase(aSeverity)

	{

	}

/**

Constructs the object through read stream.

@param aReadStream A read stream containing BIC data

*/

void CCmdPersistHalAttributes::ConstructL(RReadStream& aReadStream)

	{

	InternalizeL(aReadStream);

	}

/**

Constructs an object from resource file.

@param aCommandParameters Object data from a resource file

*/

void CCmdPersistHalAttributes::ConstructL(TSsmCommandParameters& aCommandParameters)

	{

	RResourceReader& reader = aCommandParameters.MainReader();

	const TSsmCommandType type = static_cast<TSsmCommandType>(reader.ReadInt16L());

	SSMLOGLEAVEIFFALSE(type == Type(), KErrNotSupported);

	const TInt version = reader.ReadInt16L();

	SSMLOGLEAVEIFFALSE(__COMPARE_VERSION(version, CCmdPersistHalAttributes::MaxSupportedVersion()), KErrNotSupported);

	iSeverity = static_cast<TCmdErrorSeverity>(reader.ReadInt16L());

	}