1 /*

     2 * Copyright (c) 2006, 2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  This class implements the dps state machine. 

    15 *

    16 */

    17 

    18 

    19 #include <e32debug.h>

    20 #include "dpsstatemachine.h"

    21 #include "dpsscriptreceiver.h"

    22 #include "dpsscriptsender.h"

    23 #include "dpstransaction.h"

    24 #include "dpsconst.h"

    25 #include "pictbridge.h"

    26 #include "dpsparam.h"

    27 #include "dpsoperation.h"

    28 

    29 #ifdef _DEBUG

    30 #	define IF_DEBUG(t) {RDebug::t;}

    31 #else

    32 #	define IF_DEBUG(t)

    33 #endif

    34 

    35 // ---------------------------------------------------------------------------

    36 // 

    37 // ---------------------------------------------------------------------------

    38 //

    39 CDpsStateMachine* CDpsStateMachine::NewL(CDpsEngine* aEngine)

    40     {

    41     IF_DEBUG(Print(_L("CDpsStateMachine::NewL")));

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

    43     CleanupStack::PushL(self);

    44     self->ConstructL();

    45     CleanupStack::Pop();

    46     return self;	

    47     }

    48 	

    49 // ---------------------------------------------------------------------------

    50 // 

    51 // ---------------------------------------------------------------------------

    52 //

    53 CDpsStateMachine::~CDpsStateMachine()

    54     {

    55     IF_DEBUG(Print(_L(">>>~CDpsStateMachine")));

    56     delete iTrader;

    57     iTrader = NULL;

    58     delete iScriptReceiver;

    59     iScriptReceiver = NULL;

    60     delete iScriptSender;

    61     iScriptSender = NULL;

    62     

    63     delete iIdleState; iIdleState = NULL;

    64     delete iSendingReqState; iSendingReqState = NULL;

    65     delete iWaitingRepState; iWaitingRepState = NULL;

    66     delete iSendingRepState; iSendingRepState = NULL;	

    67     IF_DEBUG(Print(_L("<<<~CDpsStateMachine")));	

    68     }

    69 

    70 // ---------------------------------------------------------------------------

    71 // 

    72 // ---------------------------------------------------------------------------

    73 //	

    74 CDpsStateMachine::CDpsStateMachine(CDpsEngine* aEngine) : 

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

    76     iCurError(KErrNone)

    77     {

    78     IF_DEBUG(Print(_L(">>>CDpsStateMachine::Ctor")));

    79     

    80     IF_DEBUG(Print(_L("<<<CDpsStateMachine::Ctor")));

    81     }

    82 

    83 // ---------------------------------------------------------------------------

    84 // 

    85 // ---------------------------------------------------------------------------

    86 //

    87 void CDpsStateMachine::ConstructL()

    88     {

    89     IF_DEBUG(Print(_L(">>>CDpsStateMachine::ConstructL")));	

    90     iIdleState = new(ELeave) TDpsIdleState(this);

    91     iSendingReqState = new(ELeave) TDpsSendingReqState(this);

    92     iWaitingRepState = new(ELeave) TDpsWaitingRepState(this);

    93     iSendingRepState = new(ELeave) TDpsSendingRepState(this);

    94     iCurState = iIdleState;

    95     iTrader = CDpsTransaction::NewL(this);

    96     iScriptReceiver = CDpsScriptReceiver::NewL(this);

    97     iScriptSender = CDpsScriptSender::NewL(this);	

    98     IF_DEBUG(Print(_L("<<<CDpsOperator::ConstructL")));	

    99     }

   100 

   101 // ---------------------------------------------------------------------------

   102 // 

   103 // ---------------------------------------------------------------------------

   104 //

   105 void CDpsStateMachine::StartTransactionL(TMDpsOperation* aRequest)

   106     {

   107     IF_DEBUG(Print(_L(">>>CDpsStateMachine::StartTransaction")));

   108     iMOperation = aRequest;

   109     iOperation = (TDpsOperation)iMOperation->iOperation;    

   110     iTrader->CreateRequestL(aRequest);

   111     iCurState = iSendingReqState;

   112     IF_DEBUG(Print(_L("<<<CDpsStateMachine::StartTransaction")));

   113     }

   114 

   115 // ---------------------------------------------------------------------------

   116 // 

   117 // ---------------------------------------------------------------------------

   118 //

   119 void CDpsStateMachine::Initialize()

   120     {

   121     IF_DEBUG(Print(_L(">>>CDpsStateMachine::Initialize")));

   122     iOperation = EDpsOpEmpty;

   123     iEvent = EDpsEvtEmpty;

   124     iCurError = KErrNone;

   125     if (CurState() != IdleState())

   126         {

   127         SetState(IdleState());

   128         }

   129     IF_DEBUG(Print(_L("<<<CDpsStateMachine::Initialize")));    

   130     }