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