multimediacommsengine/mmcesrv/mmceserver/src/mcesipstatemachine.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:04:58 +0200
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/*
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* Copyright (c) 2005 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:  
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*
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*/
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#include "mcesipstatemachine.h"
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#include "mcesipsession.h"
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#include "mcestateidle.h"
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#include "mcestateclientestablishing.h"
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#include "mcestateoffering.h"
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#include "mcestateestablished.h"
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#include "mcestateterminating.h"
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#include "mcestateterminated.h"
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#include "mcestateserverestablishing.h"
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#include "mcestateupdating.h"
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#include "mcestateupdated.h"
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#include "mcestateanswering.h"
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#include "mcestateerror.h"
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#include "mcestatecanceled.h"
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#include "mcestateconfirming.h"
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#include "mcestateclientreserving.h"
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#include "mcestateacknowledgementrequired.h"
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#include "mcestateserverreserving.h"
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#include "mcestateconfirmationrequired.h"
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#include "mcestateserveroffering.h"
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#include "mcestateserverinitializing.h"
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#include "mceclientserver.h"
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#include "mceevents.h"
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#include "mcesrvlogs.h"
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// -----------------------------------------------------------------------------
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// CMceSipStateMachine::NewL
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// -----------------------------------------------------------------------------
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//
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CMceSipStateMachine* CMceSipStateMachine::NewL()
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	{
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    CMceSipStateMachine* self = CMceSipStateMachine::NewLC();
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    CleanupStack::Pop(self);
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    return self;
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	}
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// -----------------------------------------------------------------------------
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// CMceSipStateMachine::NewLC
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// -----------------------------------------------------------------------------
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//
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CMceSipStateMachine* CMceSipStateMachine::NewLC ()
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	{
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    CMceSipStateMachine* self = new (ELeave) CMceSipStateMachine();
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    return self;
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	}
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// -----------------------------------------------------------------------------
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// CMceSipStateMachine::CMceSipStateMachine
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// -----------------------------------------------------------------------------
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//
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CMceSipStateMachine::CMceSipStateMachine ()
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	{
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	}
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// -----------------------------------------------------------------------------
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// CMceSipStateMachine::State
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// -----------------------------------------------------------------------------
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//
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CMceState& CMceSipStateMachine::State ( TMceStateIndex aStateIndex )
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	{
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	return *(iStates[ aStateIndex ]);
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	}
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// -----------------------------------------------------------------------------
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// CMceSipStateMachine::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CMceSipStateMachine::ConstructL ()
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	{
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    MCESRV_DEBUG("CMceSipStateMachine::ConstructL, Entry");
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	CMceState* state = NULL;
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	//
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	state = new (ELeave) CMceStateIdle();
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	CleanupStack::PushL( state );
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	iStates.InsertL( state, state->Id() );
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	CleanupStack::Pop( state );
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	state = new (ELeave) CMceStateClientEstablishing();
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	CleanupStack::PushL( state );
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	iStates.InsertL( state, state->Id() );
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	CleanupStack::Pop( state );
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	state = new (ELeave) CMceStateOffering();
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	CleanupStack::PushL( state );
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	iStates.InsertL( state, state->Id() );
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	CleanupStack::Pop( state );
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	state = new (ELeave) CMceStateEstablished();
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	CleanupStack::PushL( state );
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	iStates.InsertL( state, state->Id() );
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   117
	CleanupStack::Pop( state );
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   118
	state = new (ELeave) CMceStateTerminating();
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   119
	CleanupStack::PushL( state );
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   120
	iStates.InsertL( state, state->Id() );
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   121
	CleanupStack::Pop( state );
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	state = new (ELeave) CMceStateTerminated();
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   123
	CleanupStack::PushL( state );
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   124
	iStates.InsertL( state, state->Id() );
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   125
	CleanupStack::Pop( state );
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   126
	state = new (ELeave) CMceStateServerEstablishing();
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   127
	CleanupStack::PushL( state );
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   128
	iStates.InsertL( state, state->Id() );
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	CleanupStack::Pop( state );
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	state = new (ELeave) CMceStateUpdating();
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	CleanupStack::PushL( state );
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   132
	iStates.InsertL( state, state->Id() );
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   133
	CleanupStack::Pop( state );
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	state = new (ELeave) CMceStateUpdated();
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   135
	CleanupStack::PushL( state );
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   136
	iStates.InsertL( state, state->Id() );
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   137
	CleanupStack::Pop( state );
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   138
	state = new (ELeave) CMceStateAnswering();
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   139
	CleanupStack::PushL( state );
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   140
	iStates.InsertL( state, state->Id() );
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   141
	CleanupStack::Pop( state );
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   142
	state = new (ELeave) CMceStateError();
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   143
	CleanupStack::PushL( state );
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   144
	iStates.InsertL( state, state->Id() );
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   145
	CleanupStack::Pop( state );
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   146
	state = new (ELeave) CMceStateCanceled();
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   147
	CleanupStack::PushL( state );
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   148
	iStates.InsertL( state, state->Id() );
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   149
	CleanupStack::Pop( state );
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	state = new (ELeave) CMceStateConfirming();
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   151
	CleanupStack::PushL( state );
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	iStates.InsertL( state, state->Id() );
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   153
	CleanupStack::Pop( state );
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   154
	state = new (ELeave) CMceStateClientReserving();
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   155
	CleanupStack::PushL( state );
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   156
	iStates.InsertL( state, state->Id() );
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   157
	CleanupStack::Pop( state );
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   158
	state = new (ELeave) CMceStateAcknowledgementRequired();
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   159
	CleanupStack::PushL( state );
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   160
	iStates.InsertL( state, state->Id() );
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   161
	CleanupStack::Pop( state );
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   162
	state = new (ELeave) CMceStateServerReserving();
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   163
	CleanupStack::PushL( state );
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   164
	iStates.InsertL( state, state->Id() );
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   165
	CleanupStack::Pop( state );
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   166
	state = new (ELeave) CMceStateConfirmationRequired();
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   167
	CleanupStack::PushL( state );
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   168
	iStates.InsertL( state, state->Id() );
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   169
	CleanupStack::Pop( state );
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   170
    state = new (ELeave) CMceStateServerOffering();
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   171
	CleanupStack::PushL( state );
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   172
	iStates.InsertL( state, state->Id() );
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   173
	CleanupStack::Pop( state );
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   174
	state = new (ELeave) CMceStateServerInitializing();
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   175
	CleanupStack::PushL( state );
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   176
	iStates.InsertL( state, state->Id() );
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   177
	CleanupStack::Pop( state );
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   178
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   179
    MCESRV_DEBUG("CMceSipStateMachine::ConstructL, Exit");    
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	}
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   181
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   182
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   183
// -----------------------------------------------------------------------------
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   184
// CMceSipStateMachine::Consumes
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// -----------------------------------------------------------------------------
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   186
//
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   187
TBool CMceSipStateMachine::Consumes( TMceStateTransitionEvent& aEvent )
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   188
    {
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   189
    TBool consumes = EFalse;
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   190
    
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   191
    if ( aEvent.EventSource() == EMceSip )
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        {
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        consumes = ETrue;
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   194
        }
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    else if ( aEvent.EventSource() == EMceMedia )
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        {
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        consumes = ETrue;
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   198
        }
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   199
    else 
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   200
        {
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   201
        consumes = 
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            aEvent.Code() == EMceItcEstablishSession ||
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            aEvent.Code() == EMceItcAcceptSession ||
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            aEvent.Code() == EMceItcRejectSession ||
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            aEvent.Code() == EMceItcTerminateSession ||
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            aEvent.Code() == EMceItcCancel ||
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   207
            aEvent.Code() == EMceItcRing ||
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   208
            aEvent.Code() == EMceItcCallInQueue	||		
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   209
            aEvent.Code() == EMceItcUpdate ||
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   210
            aEvent.Code() == EMceItcEnable ||
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   211
            aEvent.Code() == EMceItcRequestSend ||  
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            aEvent.Code() == EMceItcReplySend || 
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   213
            aEvent.Code() == EMceItcDisable;
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   214
        }
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   215
        
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    return consumes;
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   217
    }
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   218
	
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   219
    
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// -----------------------------------------------------------------------------
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   221
// CMceSipStateMachine::~CMceSipStateMachine
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// -----------------------------------------------------------------------------
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//
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   224
CMceSipStateMachine::~CMceSipStateMachine()
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	{
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   226
    MCESRV_DEBUG("CMceSipStateMachine::~CMceSipStateMachine, Entry");
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    iStates.ResetAndDestroy();
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    iStates.Close();
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    MCESRV_DEBUG("CMceSipStateMachine::~CMceSipStateMachine, Exit");
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	}
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// -----------------------------------------------------------------------------
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// CMceSipStateMachine::ProcessL
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// -----------------------------------------------------------------------------
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//
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void CMceSipStateMachine::ProcessL( TMceStateTransitionEvent& aEvent )
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    {
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    MCESRV_DEBUG("CMceSipStateMachine::ProcessL, Entry");
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    CMceState& currentState = aEvent.Session().CurrentState();
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    TMceStateIndex currentStateId = currentState.Id();
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    TUint eventCode = aEvent.Code();
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    MCESRV_DEBUG_STATE( "current state", currentStateId );
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    MCESRV_DEBUG_EVENT( "trigger event", eventCode );
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    if ( aEvent.EventSource() == EMceMedia )
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        {
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        // clear waiting flag
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        aEvent.Session().SetWaitingMediaCallback( EFalse );
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        }
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    MMCEStateTransitionHandler& transition = currentState.TransitionHandler();
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    TBool accept = currentState.AcceptL( aEvent );
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    currentState.StateExitL( aEvent );
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    if ( accept )
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        {
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        transition.EntryL( aEvent );
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	    if ( aEvent.Session().CurrentState().Id() == currentState.Id() )
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	        {
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            transition.ExitL( aEvent );
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	        }
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        }
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    aEvent.Session().CurrentState().StateEntry( aEvent );
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    currentStateId = aEvent.Session().CurrentState().Id();
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    MCESRV_DEBUG_STATE( "ProcessL: new state", currentStateId );
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    MCESRV_DEBUG("CMceSipStateMachine::ProcessL, Exit");        
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    }
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// End of File
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