mtpdataproviders/mtppictbridgedp/pictbridgeengine/src/dpsstate.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 16:03:15 +0300
branchRCL_3
changeset 19 0aa8cc770c8a
permissions -rw-r--r--
Revision: 201032 Kit: 201035
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/*
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* Copyright (c) 2006, 2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  These classes implement dps states. 
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*
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*/
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#include <e32debug.h>
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#include "dpsstate.h"
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#include "dpsstatemachine.h"
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#include "dpstransaction.h"
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#include "dpsscriptreceiver.h"
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#include <pictbridge.h>
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#ifdef _DEBUG
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#	define IF_DEBUG(t) {RDebug::t;}
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#else
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#	define IF_DEBUG(t)
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#endif
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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TDpsIdleState::TDpsIdleState(CDpsStateMachine* aStateMachine) :
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    iStateMachine(aStateMachine) {}
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void TDpsIdleState::ScriptSentNotifyL(TBool /*aReply*/)
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    {
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    IF_DEBUG(Print(_L("TDpsIdleState::ScriptSentNotify")));
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void TDpsIdleState::ScriptReceivedNotifyL(TBool aReply)
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    {
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    if (!aReply)
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        {
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        IF_DEBUG(Print(_L("TDpsIdleState::ScriptReceived request got")));            
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        iStateMachine->Trader()->ParseScriptL(aReply);    
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        iStateMachine->SetState(iStateMachine->SendingRepState());
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        }
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    else
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        {
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        IF_DEBUG(Print(_L(
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            "TDpsIdleState::ScriptReceived should not get reply!!!")));    
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        }
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void TDpsIdleState::Error(TInt aErr)
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    {
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    IF_DEBUG(Print(_L("TDpsIdleState::Error %d"), aErr));
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    if ((aErr != KErrCancel) && (aErr != KErrNotReady))
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        {
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        iStateMachine->Trader()->HandleHostRequestError(aErr);
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        iStateMachine->SetState(iStateMachine->SendingRepState());    
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        }
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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TDpsSendingReqState::TDpsSendingReqState(CDpsStateMachine* aStateMachine) :
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    iStateMachine(aStateMachine) {}
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void TDpsSendingReqState::ScriptSentNotifyL(TBool aReply)
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    {
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    if (!aReply)
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        {
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        IF_DEBUG(Print(_L("TDpsSendingReqState::ScriptSent request")));
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        iStateMachine->SetState(iStateMachine->WaitingRepState());
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        }
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    else
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        {
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        IF_DEBUG(Print(_L(
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            "TDpsSendingReqState::ScriptSent should not get reply!!")));
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        }
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    }
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void TDpsSendingReqState::ScriptReceivedNotifyL(TBool /*aReply*/)
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    {
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    IF_DEBUG(Print(_L("TDpsSendingReqState::ScriptReceived")));
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    IF_DEBUG(Print(_L("**should not reply to the request/reply from host")));
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    }
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parents:
diff changeset
   115
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void TDpsSendingReqState::Error(TInt aErr)
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    {
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    User::RequestComplete(iStateMachine->DpsEngine()->OperationRequest(), 
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                          aErr);
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    iStateMachine->Initialize();                          
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    return;
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    }
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   127
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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TDpsWaitingRepState::TDpsWaitingRepState(CDpsStateMachine* aStateMachine) :
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    iStateMachine(aStateMachine) {}
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   134
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   135
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// ---------------------------------------------------------------------------
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// 
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// ---------------------------------------------------------------------------
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//
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void TDpsWaitingRepState::ScriptSentNotifyL(TBool /*aReply*/)
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    {    
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    IF_DEBUG(Print(_L("TDpsWaitingRepState::ScriptSent")));
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   143
    }
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   144
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// ---------------------------------------------------------------------------
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// 
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   147
// ---------------------------------------------------------------------------
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   148
//
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   149
void TDpsWaitingRepState::ScriptReceivedNotifyL(TBool aReply)
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    {
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   151
    if (aReply)
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        {
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        IF_DEBUG(Print(_L("WaitingRepState reply")))
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   154
        
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   155
        iStateMachine->Trader()->ParseScriptL(aReply);      
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   156
        User::RequestComplete(
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   157
            iStateMachine->DpsEngine()->OperationRequest(), KErrNone);        
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        iStateMachine->Initialize();        
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   159
        }
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   160
    else
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   161
        {
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   162
        IF_DEBUG(Print(_L("WaitingRepState should not get request")));
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   163
        // collision happened, we do nothing because the host will
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   164
        // eventually handle this by sending the correct response. but we need
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   165
        // to subscribe for the event again.
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   166
        iStateMachine->ScriptReceiver()->WaitForReceive();
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   167
        }
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   168
    }
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parents:
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   169
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// ---------------------------------------------------------------------------
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   171
// 
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   172
// ---------------------------------------------------------------------------
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   173
//
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   174
void TDpsWaitingRepState::Error(TInt aErr)
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   175
    {
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   176
    // this is not tested
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   177
    User::RequestComplete(iStateMachine->DpsEngine()->OperationRequest(), 
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   178
                          aErr);
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   179
    iStateMachine->Initialize();                          
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   180
    }
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   181
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// ---------------------------------------------------------------------------
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   183
// 
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   184
// ---------------------------------------------------------------------------
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   185
//
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   186
TDpsSendingRepState::TDpsSendingRepState(CDpsStateMachine* aStateMachine) :
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   187
    iStateMachine(aStateMachine) {}
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   188
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   189
// ---------------------------------------------------------------------------
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   190
// 
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   191
// ---------------------------------------------------------------------------
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   192
//
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   193
void TDpsSendingRepState::ScriptSentNotifyL(TBool aReply)
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   194
    {
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   195
    if (aReply)
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parents:
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   196
        {
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   197
        IF_DEBUG(Print(_L("TDpsSendingRepState::ScriptSent reply")));
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   198
        if (KErrNone == iStateMachine->CurError())
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parents:
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   199
            {
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   200
            // this is the normal situation, inform the client
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   201
            User::RequestComplete(iStateMachine->DpsEngine()->EventRequest(), 
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   202
                              KErrNone);    
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   203
            }
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   204
        else
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parents:
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   205
            {
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   206
            // this is the error situation, do not inform the client. and
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   207
            // we need to subscribe for the new event.
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   208
            iStateMachine->ScriptReceiver()->WaitForReceive();
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   209
            }
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   210
        iStateMachine->Initialize();
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   211
        }
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   212
    else
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parents:
diff changeset
   213
        {
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   214
        IF_DEBUG(Print(_L(
0aa8cc770c8a Revision: 201032
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parents:
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   215
            "TDpsSendingRepState::ScriptSent shoul not get request!!!")));
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parents:
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   216
        }
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parents:
diff changeset
   217
    }
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parents:
diff changeset
   218
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   219
// ---------------------------------------------------------------------------
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   220
// 
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   221
// ---------------------------------------------------------------------------
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   222
//
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parents:
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   223
void TDpsSendingRepState::ScriptReceivedNotifyL(TBool /*aReply*/)
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parents:
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   224
    {
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   225
    IF_DEBUG(Print(_L("TDpsSendingRepState::ScriptReceived")));
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   226
    }
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parents:
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   227
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   228
// ---------------------------------------------------------------------------
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   229
// 
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   230
// ---------------------------------------------------------------------------
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parents:
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   231
//
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void TDpsSendingRepState::Error(TInt /*aErr*/)
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    {
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    return;
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    }