// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Symbian Foundation License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include "csubsessionbase.h"

#include "lbsmessageenums.h"

/** 

inline function to push the item needed to be released when destroy, via a TCleanupItem object,

which includes a MRelease function to release the resource.

@param aRef A reference MRelease function

@internalTechnology

@released

 */	

inline void CleanupVirtualRelease::PushL(MRelease& aRef)

	{

	CleanupStack::PushL(TCleanupItem(&Release,&aRef));

	}

/** 

release the resource by calling the defined MRelease function

@param aPrt A reference of MRelease function

@internalTechnology

@released

 */	

void CleanupVirtualRelease::Release(TAny* aPtr)

	{

	MRelease* ptr = reinterpret_cast<MRelease*>(aPtr);

	TReleaseFunc func = &MRelease::VirtualRelease;

	(ptr->*func)();

	}

/** 

function to push the item needed to be released by calling CleanupVirtualRelease class,

which includes a MRelease function to release the resource.

@param aRef A reference MRelease function

@internalTechnology

@released

 */	

void CleanupVirtualReleasePushL(MRelease& aRef)

	{

	CleanupVirtualRelease::PushL(aRef);

	}

/** 

Default constructor

Nothing here

@internalTechnology

@released

 */	

CSubSessionBase::CSubSessionBase()

	{

	// does nothing

	}

/** 

Default destructor

Nothing here

@internalTechnology

@released

 */	

CSubSessionBase::~CSubSessionBase()

	{

	// nuke the impl object

	if(iImpl)

		{

		iImpl->VirtualRelease();

		iImpl=NULL;

		}

	}

/** 

Set the generic subsession implement pointer

@param aImpl A generic interface pointer to MSubSessionImpl

@see MSubSessionImpl

@internalTechnology

@released

 */	

void CSubSessionBase::SetImpl(MSubSessionImpl* aImpl)

	{

	iImpl = aImpl;

	}

/** 

Get the generic subsession implement pointer

@return the generic interface pointer to MSubSessionImpl

@see MSubSessionImpl

@internalTechnology

@released

 */	

MSubSessionImpl* CSubSessionBase::Impl()

	{

	return iImpl;

	}

/** 

Invoke user panic by setting the category as CSubSessionBase

@param aPanic A constant panic category TSubSessionBasePanic

@internalTechnology

@released

 */	

void CSubSessionBase::Panic(const TSubSessionBasePanic aPanic)

	{

	_LIT(KSubSessionBase, "CSubSessionBase");

	User::Panic(KSubSessionBase, aPanic);

	}