// Copyright (c) 1998-2009 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:

// OBSVREG.CPP

//

#include "MSVRUIDS.H"

#include "MTCLREG.H"

#include "MTCLBASE.H"

#include "MSVPANIC.H"

#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS  

#include "msvconsts.h"				

#endif

/** Constructor.

@param aMsvSession Message server session

@param aDllTypeUid MTM component type UID, e.g. KUidMtmClientComponent to handle client MTMs

@param aTimeoutMicroSeconds32 Time to wait before unloading MTM DLLs 

*/

EXPORT_C CObserverRegistry::CObserverRegistry(CMsvSession& aMsvSession,TUid aDllTypeUid,TTimeIntervalMicroSeconds32 aTimeoutMicroSeconds32)

	: CMtmDllRegistry(aMsvSession.FileSession(), aDllTypeUid, aTimeoutMicroSeconds32), iMsvSession(aMsvSession)

	{

	// initialise registration data

	};

/**

Destructor.

*/

EXPORT_C CObserverRegistry::~CObserverRegistry()

	{

	if (iIsAdded)

		iMsvSession.RemoveObserver(*this);

	};

/** Second-phase constructor.

*/

EXPORT_C void CObserverRegistry::ConstructL()

	{

	// announce our presence to the session

	iMsvSession.AddObserverL(*this);

	iIsAdded=ETrue;

	// load up all the installed DLLs that we need

	User::LeaveIfError(iMsvSession.iSession->FillRegisteredMtmDllArray(iMtmDllTypeUid,iRegisteredMtmDllArray,iTimeoutMicroSeconds32));

	};

/** Implements the session observer interface to update the registry information 

when MTM groups are installed or uninstalled.

@param aEvent Event type

@param aArg1 Event type-specific argument value (unused)

@param aArg2 Event type-specific argument value

@param aArg3 Event type-specific argument value (unused)

@see MMsvSessionObserver::HandleSessionEventL()

*/

EXPORT_C void CObserverRegistry::HandleSessionEventL(TMsvSessionEvent aEvent, TAny* /*aArg1*/, TAny* aArg2, TAny* /*aArg3*/)

	{

	switch (aEvent)

		{

		case EMsvMtmGroupInstalled:

			{

			TUid* mtmtypeuid=(TUid*) aArg2;

			if (!IsPresent(*mtmtypeuid))

				{

				CMtmGroupData* mtmgroupdata=iMsvSession.iSession->GetMtmGroupDataL(*mtmtypeuid);

				TUid mtmdlltypeuid[KMsvNumMtmDllTypes];  //  There must be an easier way to construct the array

				mtmdlltypeuid[EMtsrServerComponentIndex]	=KUidMtmServerComponent;

				mtmdlltypeuid[EMtsrClientComponentIndex]	=KUidMtmClientComponent;

				mtmdlltypeuid[EMtsrUiComponentIndex]		=KUidMtmUiComponent;

				mtmdlltypeuid[EMtsrUiDataComponentIndex]	=KUidMtmUiDataComponent;

/*

				mtmdlltypeuid[EMtsrDllTupe1Index]=KMsvDllType1Uid;

				mtmdlltypeuid[EMtsrDllType2Index]=KMsvDllType2Uid;

				mtmdlltypeuid[EMtsrDllType3Index]=KMsvDllType3Uid;

				mtmdlltypeuid[EMtsrDllType4Index]=KMsvDllType4Uid;

				mtmdlltypeuid[EMtsrDllType5Index]=KMsvDllType5Uid;

				mtmdlltypeuid[EMtsrDllType6Index]=KMsvDllType6Uid;

*/

				TInt index=0;

				for (; (index<KMsvNumMtmDllTypes) && (iMtmDllTypeUid!=mtmdlltypeuid[index]); index++)

					{

					}

				if (!(index==KMsvNumMtmDllTypes))

					User::LeaveIfError(AddRegisteredMtmDll(mtmgroupdata->MtmTypeUid(),mtmgroupdata->TechnologyTypeUid(),*mtmgroupdata->MtmDllInfoArray()[index],*iMsvSession.iSession));

				delete mtmgroupdata;

				}

			break;

			}

		case EMsvMtmGroupDeInstalled:

			{

			TUid* mtmtypeuid=(TUid*) aArg2;

			if (IsPresent(*mtmtypeuid))

				RemoveRegisteredMtmDll(*mtmtypeuid);         

			break;

			}

		default:

			break;

		}

	};