// Copyright (c) 2005-2009 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:

// SS_API_EXT.CPP

// TODO PREQ1116 disabled to get catchup to build #define SYMBIAN_NETWORKING_UPS

// 

//

/**

 @file

 @released

*/

#include "sd_apiextension.h"

#ifdef _DEBUG

// Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module

// (if it could happen through user error then you should give it an explicit, documented, category + code)

_LIT(KSpecAssert_ElemSvrDenApiXC, "ElemSvrDenApiXC");

#endif

using namespace Elements;

using namespace Den;

using namespace Messages;

using namespace Meta;

//

// CExtItfMsgPluginInfo

//

EXPORT_C CExtItfMsgPluginInfo* CExtItfMsgPluginInfo::NewInstanceL(const STypeId& aTypeId)

	{

	TUid destroyUid;

	CExtItfMsgPluginInfo* obj = reinterpret_cast<CExtItfMsgPluginInfo*>(REComSession::CreateImplementationL(aTypeId.iUid, destroyUid, (TAny*)aTypeId.iType));

	obj->iDestroyUid = destroyUid;

	return obj;

	}

EXPORT_C CExtItfMsgPluginInfo::~CExtItfMsgPluginInfo()

	{

	__ASSERT_DEBUG(iDestroyUid.iUid!=0, User::Panic(KSpecAssert_ElemSvrDenApiXC, 1));

	REComSession::DestroyedImplementation(iDestroyUid);

	}

//

// AIpcExtensionInterfaceBase

//

EXPORT_C AIpcExtensionInterfaceBase::AIpcExtensionInterfaceBase()

:	iMsgPluginInfo(NULL)

	{

	}

void AIpcExtensionInterfaceBase::RegisterMessagesL()

	{

	//RegisterInterfaceL is reference counted, make sure you always call

	//it from RegisterMessagesL to avoid premature deregistration scenarios.

	Meta::STypeId msgTid = MsgImplTid();

	CExtItfMsgPluginInfo* msgPluginInfo = iMsgPluginInfo;

	if (iMsgPluginInfo==NULL)

		{

		__ASSERT_DEBUG(msgTid.iUid.iUid!=0, User::Panic(KSpecAssert_ElemSvrDenApiXC, 2));

		msgPluginInfo = static_cast<CExtItfMsgPluginInfo*>(CExtItfMsgPluginInfo::NewInstanceL(msgTid));

		CleanupStack::PushL(msgPluginInfo);

		}

	const TImplementationProxy* implProxyTable = msgPluginInfo->ImplementationProxy();

	TlsGlobals::Get().RegisterInterfaceL(msgTid.iUid, msgPluginInfo->ImplementationProxyTableSize(), implProxyTable);

	if (iMsgPluginInfo==NULL)

		{

		CleanupStack::Pop(msgPluginInfo);

		iMsgPluginInfo = msgPluginInfo; //Set only when all done

		}

	}

void AIpcExtensionInterfaceBase::DeregisterMessages()

	{

	TlsGlobals::Get().DeregisterInterface(MsgImplTid().iUid);

	delete iMsgPluginInfo;

	iMsgPluginInfo = NULL;

	}