bluetooth/btcomm/src/portstate.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 25 May 2010 13:54:55 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201018 Kit: 2010121
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// Copyright (c) 1997-2009 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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// Together, these classes and the CBTPortProxy implement the 
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// State pattern.  The states themselves are implemented using 
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// the Flyweight pattern.  Each state is a Flyweight object
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// and CBTPortStateFactory is manager of these objects.  As a 
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// result of being a flyweight, no state object may have a state 
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// that can't be shared between all possible users of the state.
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// 
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//
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#include <bluetooth/logger.h>
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#include <cs_port.h>
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#include "btcomm.h"
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#include "btstate.h"
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#ifdef DEBUG
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#include "btcommutil.h"
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#endif
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#ifdef __FLOG_ACTIVE
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_LIT8(KLogComponent, LOG_COMPONENT_BT_COMM);
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#endif
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CBTPortStateFactory::CBTPortStateFactory()
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/**
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	CBTPortStateFactory constructor nulls all the iState ptrs in here.
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**/
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	{
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	LOG_FUNC
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	iStates.Reset();
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	}
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CBTPortStateFactory::~CBTPortStateFactory()
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/**
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	CBTPortStateFactory destructor deletes all states.
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**/
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	{
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	LOG_FUNC
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	iStates.DeleteAll();
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	}
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CBTPortStateFactory* CBTPortStateFactory::NewL()
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/**
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	This creates the static CSY state objects.
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	Declared private so only a friend (CBTPortFactory)
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	can instantiate one of these.
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**/
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	{
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	LOG_STATIC_FUNC
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	CBTPortStateFactory *psf;
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	psf=new (ELeave) CBTPortStateFactory();
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	CleanupStack::PushL(psf);
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	psf->InitL();
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	CleanupStack::Pop();
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	return psf;
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	}
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void CBTPortStateFactory::InitL()
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/**
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	This method creates the static instances of the CSY state objects.
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**/
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	{
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	LOG_FUNC
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	iStates[EIdle]						=new (ELeave) TBTPortStateIdle(this);
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	iStates[ELoadingProtocol]			=new (ELeave) TBTPortStateLoadingProtocol(this);
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	iStates[EDiscovering]				=new (ELeave) TBTPortStateDiscovering(this);
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	iStates[ESDPConnected]				=new (ELeave) TBTPortStateSDPConnected(this);
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	iStates[ESDPServiceQuery]			=new (ELeave) TBTPortStateSDPServiceQuery(this);
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	iStates[ESDPAttribListRetrieved]	=new (ELeave) TBTPortStateSDPAttributeListRetrieved(this);
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	iStates[EConnecting]				=new (ELeave) TBTPortStateConnecting(this);
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	iStates[EOpen]						=new (ELeave) TBTPortStateOpen(this);
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	iStates[EClosing]					=new (ELeave) TBTPortStateClosing(this);
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	iStates[EError]						=new (ELeave) TBTPortErrorState(this);
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	iStates[ESDPServiceIDListRetrieved] =new (ELeave) TBTPortStateServiceIDListRetrieved(this);
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	}
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TBTPortState& CBTPortStateFactory::GetState(const TCSYState aState)
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/**
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	Returns ptr to the state object corresponding to the TCSYState passed in.
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**/
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	{
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	LOG_FUNC
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	__ASSERT_DEBUG(aState != EMaxCSYStates, BTCommUtil::Panic(EBTCommPortStateOutOfBounds));
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	return *iStates[aState];
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	}
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TInt CBTPortStateFactory::StateIndex(const TBTPortState* aState) const
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	{
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	LOG_FUNC
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	TInt state;
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	for (state = 0; state < EMaxCSYStates; state++)
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		{
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		if (iStates[state] == aState)
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			{
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			return state;
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			}
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		}
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29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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	return KUnknownState;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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	}
29b1cd4cb562 Revision: 200951_001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   112