// 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 "cmdreqswpchange.h"

#include "ssmdebug.h"

#include "ssmpanic.h"

#include "ssmcommandparameters.h"

/**

Used to create an instance of CCmdReqSwpChange 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 CCmdReqSwpChange.

*/

CCmdReqSwpChange* CCmdReqSwpChange::NewL(RReadStream& aReadStream)

	{

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

	CleanupStack::PushL(self);

	self->ConstructL(aReadStream);

	CleanupStack::Pop(self);

	return self;

	}

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

/**

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

This method is used by SsmCommandFactory to create a command.

@param aSeverity The severity of the command

@param aExecutionBehaviour The execution behaviour of the command

@param aSwpInfo System wide property settings

@param aPriority The priority of the command in the list

@return	A pointer to an object of type CCmdReqSwpChange.

*/

CCmdReqSwpChange* CCmdReqSwpChange::NewL(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, const TSsmSwp& aSwpInfo, const TUint16 aPriority)

	{

	CCmdReqSwpChange* self = new (ELeave) CCmdReqSwpChange(aSeverity, aExecutionBehaviour, aSwpInfo, aPriority);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

#endif

/**

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

This method is used by SsmCommandFactory to create a command.

@param aSeverity The severity of the command

@param aExecutionBehaviour The execution behaviour of the command

@param aSwpInfo System wide property settings

@return	A pointer to an object of type CCmdReqSwpChange.

*/

CCmdReqSwpChange* CCmdReqSwpChange::NewL(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, const TSsmSwp& aSwpInfo)

	{

	CCmdReqSwpChange* self = new (ELeave) CCmdReqSwpChange(aSeverity, aExecutionBehaviour, aSwpInfo);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/**

Used to create an instance of CCmdReqSwpChange class from resource.

@param aCommandParameters Object data from a resource file

@return	A pointer to an object of type CCmdReqSwpChange.

*/	

CCmdReqSwpChange* CCmdReqSwpChange::NewL(TSsmCommandParameters& aCommandParameters)

	{

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

	CleanupStack::PushL(self);

	self->ConstructL(aCommandParameters);

	CleanupStack::Pop(self);

	return self;

	}

/**

Used to create an instance of CCmdReqSwpChange class from CCmdReqSwpChange object

Must be used only by CLE

@param aCmdReqSwpChange CCmdReqSwpChange reference

@return A pointer to an object of type CCmdReqSwpChange.

*/

CCmdReqSwpChange* CCmdReqSwpChange::NewLC(const CCmdReqSwpChange& aCmdReqSwpChange)

    {

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

    CCmdReqSwpChange* self = new (ELeave) CCmdReqSwpChange(aCmdReqSwpChange.Severity(),aCmdReqSwpChange.ExecutionBehaviour(),

                                                           aCmdReqSwpChange.SsmSwpInfo(),aCmdReqSwpChange.Priority());

#else

    CCmdReqSwpChange* self = new (ELeave) CCmdReqSwpChange(aCmdReqSwpChange.Severity(),aCmdReqSwpChange.ExecutionBehaviour(),

                                                               aCmdReqSwpChange.SsmSwpInfo());

#endif

    CleanupStack::PushL(self);

    self->ConstructL(aCmdReqSwpChange);

    return self;

    }

void CCmdReqSwpChange::ConstructL(const CCmdReqSwpChange& aCmdReqSwpChange)

    {

    iConditionalResourceId = aCmdReqSwpChange.ConditionalInformation();

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

	if (iConditionalResourceId != 0)

        {

        SetCommandResourceFileNameL(aCmdReqSwpChange.GetCommandResourceFileName());

        } 

#endif 

    }

/**

Destructor

*/	

CCmdReqSwpChange::~CCmdReqSwpChange()

	{

	Cancel();

	iSsmStateManager.Close();

	}

/**

Initialises the BIC's active object and initiates the command

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

*/	

void CCmdReqSwpChange::Execute( TRequestStatus& aStatus )

	{

	aStatus = KRequestPending;

	iExecuteRequest = &aStatus;

	TInt err = iSsmStateManager.Connect();

    if(err == KErrNone)

		{

        iSsmStateManager.RequestSwpChange(iSwpInfo, iStatus);

		}

    else

		{

        // pass the error connecting to RunL

        iStatus = KRequestPending;

        TRequestStatus* statusPtr = &iStatus;

        User::RequestComplete(statusPtr, err);

		}

	if (iExecutionBehaviour != ESsmWaitForSignal)

		{

		// complete the command request and initiate execution of next command

		CompleteExecuteRequest(KErrNone);

		}

	SetActive();

	}

/**

Releases resources associated with this BIC

*/	

void CCmdReqSwpChange::Release()

	{

	delete this;

	}

/**

Initiates a Cancel on the object. 

*/	

void CCmdReqSwpChange::ExecuteCancel()

	{

	//cancel the outstanding request

	Cancel();

	//and complete the request with KErrCancel

	CompleteDeferredExecuteRequest(KErrCancel);

	}

/**

Returns the Type of the BIC

@return	The Type of the BIC

*/	

TSsmCommandType CCmdReqSwpChange::Type() const

	{

	return (ESsmCmdReqSwProperty);

	}

/**

Returns the Version of the BIC

@return	The maximum supported version of the BIC

*/	

TInt CCmdReqSwpChange::MaxSupportedVersion()

	{

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

	return (static_cast<TInt>(ECmdReqSwPropertyVersionWithPriority));

#else

	return (static_cast<TInt>(ECmdReqSwPropertyInitialVersion));

#endif

	}

/**

Configures the BIC using data contained in a ReadStream

@param aReadStream A read stream containing BIC data

*/

void CCmdReqSwpChange::InternalizeL(RReadStream& aReadStream)

	{

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

	iExecutionBehaviour = static_cast<TSsmExecutionBehaviour>(aReadStream.ReadUint8L());

	const TUint key = aReadStream.ReadUint32L();

	const TInt value = aReadStream.ReadInt32L();

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

	iPriority = aReadStream.ReadUint16L();

#endif

	TSsmSwp swpinfo(key, value);

	iSwpInfo = swpinfo;

	}

/**

Externalises the configuration of the BIC

@param aWriteStream A write stream to write BIC data to

*/

void CCmdReqSwpChange::ExternalizeL(RWriteStream& aWriteStream) const

	{

	aWriteStream.WriteInt16L(iSeverity);

	aWriteStream.WriteUint8L(iExecutionBehaviour);

	aWriteStream.WriteUint32L(iSwpInfo.Key());

	aWriteStream.WriteInt32L(iSwpInfo.Value());

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

	aWriteStream.WriteUint16L(iPriority);

#endif

	}

/**

Completes the tasks of the BIC

*/

void CCmdReqSwpChange::RunL()

	{

	CompleteDeferredExecuteRequest(iStatus.Int());

	}

/**

Called during cancellation of the active BIC

*/

void CCmdReqSwpChange::DoCancel()

	{

	iSsmStateManager.RequestSwpChangeCancel();

	}

/**

default constructor.

*/

CCmdReqSwpChange::CCmdReqSwpChange()

	: iSwpInfo(0,0)

	{

	}

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

/**

Overloaded constructor.

@param aSeverity The severity of the command

@param aExecutionBehaviour The execution behaviour of the command

@param aSwpInfo System wide property settings

@param aPriority The priority of the command in the list

*/

CCmdReqSwpChange::CCmdReqSwpChange(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, TSsmSwp aSwpInfo, const TUint16 aPriority)

	: CSsmDeferrableCommand(aSeverity, aExecutionBehaviour, aPriority), iSwpInfo(aSwpInfo)

	{

	}

#endif

/**

Overloaded constructor.

@param aSeverity The severity of the command

@param aExecutionBehaviour The execution behaviour of the command

@param aSwpInfo System wide property settings

*/

CCmdReqSwpChange::CCmdReqSwpChange(TCmdErrorSeverity aSeverity, TSsmExecutionBehaviour aExecutionBehaviour, TSsmSwp aSwpInfo)

	: CSsmDeferrableCommand(aSeverity, aExecutionBehaviour), iSwpInfo(aSwpInfo)

	{

	}

/**

Connect to RSsmStateManager and validate the commands data.

*/

void CCmdReqSwpChange::ConstructL()

	{

	ValidateL();

	}

/**

Constructs the object through read stream.

@param aReadStream A read stream containing BIC data

*/

void CCmdReqSwpChange::ConstructL(RReadStream& aReadStream)

	{

	InternalizeL(aReadStream);

	ConstructL();	// connect to RSsmStateManager and validate the data

	}

/**

Constructs an object from resource file.

@param aCommandParameters Object data from a resource file

*/

void CCmdReqSwpChange::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, CCmdReqSwpChange::MaxSupportedVersion()), KErrNotSupported);

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

	iExecutionBehaviour = static_cast<TSsmExecutionBehaviour>(reader.ReadUint8L());

	const TUint key = reader.ReadUint32L();

	const TInt value = reader.ReadInt32L();

#ifdef SYMBIAN_SSM_FLEXIBLE_MERGE

	iPriority = (version > ECmdReqSwPropertyInitialVersion) ? reader.ReadUint16L() : KDefaultCommandPriority;

#endif

	TSsmSwp swpInfo(key, value);

	iSwpInfo = swpInfo;

	ConstructL();	// connect to RSsmStateManager and validate the data

	}