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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 define the dps states.
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*
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*/
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#ifndef DPSSTATE_H
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#define DPSSTATE_H
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#include <e32base.h>
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class CDpsStateMachine;
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/**
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* This class is the base classes for all dps state classes.
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* We follow state design pattern here so the state class defines all
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* transactions among states as member functions.
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*/
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class MDpsState
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{
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public:
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/**
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* Script sent notification
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*/
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virtual void ScriptSentNotifyL(TBool aReply) = 0;
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/**
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* Script received notification
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*/
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virtual void ScriptReceivedNotifyL(TBool aReply) = 0;
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/**
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* Error handling of the transaction
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*/
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virtual void Error(TInt aErr) = 0;
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};
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/**
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* Idle state class
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*/
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NONSHARABLE_CLASS(TDpsIdleState) : public MDpsState
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{
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public:
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/**
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* Constructor
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*/
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TDpsIdleState(CDpsStateMachine* aStateMachine);
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public:
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/**
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* @see MDpsState
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*/
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void ScriptSentNotifyL(TBool aReply);
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/**
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* @see MDpsState
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*/
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void ScriptReceivedNotifyL(TBool aReply);
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/**
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* @see MDpsState
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*/
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void Error(TInt aErr);
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private:
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CDpsStateMachine* iStateMachine;
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};
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/**
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* Sending Request state class. Device sending request starts form this state
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*/
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NONSHARABLE_CLASS(TDpsSendingReqState) : public MDpsState
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{
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public:
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/**
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* Constructor
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*/
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TDpsSendingReqState(CDpsStateMachine* aStateMachine);
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public:
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/**
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* @see MDpsState
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*/
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void ScriptSentNotifyL(TBool aReply);
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/**
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* @see MDpsState
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*/
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void ScriptReceivedNotifyL(TBool aReply);
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/**
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* @see MDpsState
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*/
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void Error(TInt aErr);
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private:
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CDpsStateMachine* iStateMachine;
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};
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/**
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* Waiting Reply state class (script has been sent)
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*/
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NONSHARABLE_CLASS(TDpsWaitingRepState) : public MDpsState
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{
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public:
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/**
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* Constructor
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*/
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TDpsWaitingRepState(CDpsStateMachine* aStateMachine);
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public:
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/**
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* @see MDpsState
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*/
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void ScriptSentNotifyL(TBool aReply);
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/**
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* @see MDpsState
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*/
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void ScriptReceivedNotifyL(TBool aReply);
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/**
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* @see MDpsState
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*/
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void Error(TInt aErr);
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private:
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CDpsStateMachine* iStateMachine;
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};
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/**
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* Sending Reply state class. The device starts replying the host request
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* in this state.
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*/
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NONSHARABLE_CLASS(TDpsSendingRepState) : public MDpsState
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{
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public:
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/**
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* Constructor
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*/
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TDpsSendingRepState(CDpsStateMachine* aStateMachine);
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public:
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/**
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* @see MDpsState
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*/
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void ScriptSentNotifyL(TBool aReply);
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/**
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* @see MDpsState
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*/
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void ScriptReceivedNotifyL(TBool aReply);
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/**
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* @see MDpsState
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*/
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void Error(TInt aErr);
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private:
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CDpsStateMachine* iStateMachine;
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};
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#endif
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