/*

* Copyright (c) 2006, 2007 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:  This class implements the dps state machine. 

*

*/

#include "dpsstatemachine.h"

#include "dpsscriptreceiver.h"

#include "dpsscriptsender.h"

#include "dpstransaction.h"

#include "dpsconst.h"

#include "pictbridge.h"

#include "dpsparam.h"

#include "dpsoperation.h"

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "dpsstatemachineTraces.h"

#endif

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

CDpsStateMachine* CDpsStateMachine::NewL(CDpsEngine* aEngine)

    {

    CDpsStateMachine* self = new(ELeave) CDpsStateMachine(aEngine);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;	

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

CDpsStateMachine::~CDpsStateMachine()

    {

    OstTraceFunctionEntry0( CDPSSTATEMACHINE_CDPSSTATEMACHINE_DES_ENTRY );

    delete iTrader;

    iTrader = NULL;

    delete iScriptReceiver;

    iScriptReceiver = NULL;

    delete iScriptSender;

    iScriptSender = NULL;

    delete iIdleState; iIdleState = NULL;

    delete iSendingReqState; iSendingReqState = NULL;

    delete iWaitingRepState; iWaitingRepState = NULL;

    delete iSendingRepState; iSendingRepState = NULL;	

    OstTraceFunctionExit0( CDPSSTATEMACHINE_CDPSSTATEMACHINE_DES_EXIT );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//	

CDpsStateMachine::CDpsStateMachine(CDpsEngine* aEngine) : 

    iEngine(aEngine),iOperation(EDpsOpEmpty), iEvent(EDpsEvtEmpty), 

    iCurError(KErrNone)

    {

    OstTraceFunctionEntry0( DUP1_CDPSSTATEMACHINE_CDPSSTATEMACHINE_CONS_ENTRY );

    OstTraceFunctionExit0( DUP1_CDPSSTATEMACHINE_CDPSSTATEMACHINE_CONS_EXIT );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CDpsStateMachine::ConstructL()

    {

    OstTraceFunctionEntry0( CDPSSTATEMACHINE_CONSTRUCTL_ENTRY );

    iIdleState = new(ELeave) TDpsIdleState(this);

    iSendingReqState = new(ELeave) TDpsSendingReqState(this);

    iWaitingRepState = new(ELeave) TDpsWaitingRepState(this);

    iSendingRepState = new(ELeave) TDpsSendingRepState(this);

    iCurState = iIdleState;

    iTrader = CDpsTransaction::NewL(this);

    iScriptReceiver = CDpsScriptReceiver::NewL(this);

    iScriptSender = CDpsScriptSender::NewL(this);	

    OstTraceFunctionExit0( CDPSSTATEMACHINE_CONSTRUCTL_EXIT );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CDpsStateMachine::StartTransactionL(TMDpsOperation* aRequest)

    {

    OstTraceFunctionEntry0( CDPSSTATEMACHINE_STARTTRANSACTIONL_ENTRY );

    iMOperation = aRequest;

    iOperation = (TDpsOperation)iMOperation->iOperation;    

    iTrader->CreateRequestL(aRequest);

    iCurState = iSendingReqState;

    OstTraceFunctionExit0( CDPSSTATEMACHINE_STARTTRANSACTIONL_EXIT );

    }

// ---------------------------------------------------------------------------

// 

// ---------------------------------------------------------------------------

//

void CDpsStateMachine::Initialize()

    {

    OstTraceFunctionEntry0( CDPSSTATEMACHINE_INITIALIZE_ENTRY );

    iOperation = EDpsOpEmpty;

    iEvent = EDpsEvtEmpty;

    iCurError = KErrNone;

    if (CurState() != IdleState())

        {

        SetState(IdleState());

        } 

    OstTraceFunctionExit0( CDPSSTATEMACHINE_INITIALIZE_EXIT );

    }