uiservicetab/vimpstengine/src/cvimpstengine.cpp
branchRCL_3
changeset 28 3104fc151679
parent 27 2b7283837edb
child 29 9a48e301e94b
--- a/uiservicetab/vimpstengine/src/cvimpstengine.cpp	Thu Aug 19 09:41:53 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1445 +0,0 @@
-/*
-* Copyright (c) 2008 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:  Class that capsulates single service data members
-*
-*/
-
-
-//  INCLUDES
-#include "cvimpstengine.h"
-
-#include "cvimpstengineservicetablefetcher.h"
-#include <e32std.h>
-#include <barsc.h>
-#include <gulutil.h>
-#include <coemain.h>
-#include <e32base.h>
-
-#include "tvimpstconsts.h"
-#include "cvimpstenginevoipsubservice.h"
-#include "cvimpstengineimsubservice.h"
-#include "cvimpstenginepresencesubservice.h"
-#include "cvimpstenginecchhandler.h"
-//storage
-#include "cvimpststoragemanagerfactory.h"
-#include "cvimpstenginesessioncntxtobserver.h"
-#include "mvimpststorageserviceview.h"
-#include "mvimpststoragevpbkstorehandler.h"
-
-#include "tvimpstenums.h" 
-
-#include "mvimpstengineextentionfeatures.h"
-#include "mvimpstengineservicestateeventobserver.h"
-
-//extention features
-#include "cvimpstenginesearchmgrextention.h"
-#include "cvimpstenginecontactmgmtextention.h"
-#include "cvimpstblockedlistmanager.h"
-
-#include "mvimpststoragecontactlist.h"
-#include <cvimpstsettingsstore.h>
-
-#include "uiservicetabtracer.h"
-
-// Constants
-_LIT( KListNameAllBuddy ,"buddylist" );
-
-// ================= MEMBER FUNCTIONS =======================
-// ---------------------------------------------------------
-// CVIMPSTEngine::NewL
-// 
-// ---------------------------------------------------------
-CVIMPSTEngine* CVIMPSTEngine::NewL(
-								TUint32 aServiceId,
-								CVIMPSTEngineServiceTableFetcher& aTableFetcher )
-    {
-	TRACER_AUTO; 
-	TRACE("ServiceId: %d", aServiceId);
-    
-    
-    CVIMPSTEngine* self = CVIMPSTEngine::NewLC(	aServiceId,
-    											aTableFetcher );
-    CleanupStack::Pop( self );
- 
-    return self;
-    }
-
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::NewLC
-// 
-// ---------------------------------------------------------
-    
-CVIMPSTEngine* CVIMPSTEngine::NewLC(
-								TUint32 aServiceId,
-								CVIMPSTEngineServiceTableFetcher& aTableFetcher )
-	{  
-	TRACER_AUTO;
-    TRACE( "ServiceId: %d", aServiceId );
-	
-    CVIMPSTEngine* self = new (ELeave) CVIMPSTEngine(
-    												aServiceId, 
-    												aTableFetcher );
-    CleanupStack::PushL( self );
-    self->ConstructL( aServiceId );    
-  
-    return self;
-	}
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::~CVIMPSTEngine
-// 
-// ---------------------------------------------------------
-
-CVIMPSTEngine::~CVIMPSTEngine()
-	{
-	TRACER_AUTO;
-	
-	iObserverArray.Reset();
-    iObserverArray.Close();
-    
-	iSubService.ResetAndDestroy();	
-	iSubService.Close();
-	// Delete this after sub services, those might use it in destructor!
-	delete iSessionCntxtObserver;
-    delete iServiceName;
-	
-	iExtentionFeatures.ResetAndDestroy();
-	iExtentionFeatures.Close();
-	
-	delete iCchHandler;
-    iCchHandler = NULL;       
-
- 
- 	}
-
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::ConstructL
-// 
-// ---------------------------------------------------------
-
-void CVIMPSTEngine::ConstructL( TUint32 aServiceId )
-	{
-	TRACER_AUTO;
-    TRACE( "ServiceId: %d", aServiceId );
-
-	iServiceName = HBufC::NewL( KVIMPSTUISPSMaxPropertyLength );
-	
-	// construct the service state by passing the array of subservices.
-	iCchHandler = CVIMPSTEngineCchHandler::NewL(iServiceId,*this);
-	
-	//construct eventobserver only if there are any adaptations.
-	TInt ximpAdapterUid = iTableFetcher.XimpAdapterUidL(aServiceId);
-	
-	
-	TBool requireXimp = EFalse;		
-	TBool presenceSupported = IsSubServiceSupportedInternal(TVIMPSTEnums::EPresence);
-	TBool imSupported = IsSubServiceSupportedInternal(TVIMPSTEnums::EIM);
-	
-	requireXimp |= presenceSupported;
-    requireXimp |= imSupported;
-
-    TPtr serviceIdPtr(iServiceName->Des());
-    iTableFetcher.GetServiceNameL(aServiceId, serviceIdPtr);
-
-	//if either of Presence/IM Subservice supported then we need
-	//to bind to XIMP context. 
-	if ( KErrNotFound != ximpAdapterUid && requireXimp )
-	    {
-        TRAPD( err, (iSessionCntxtObserver = CVIMPSTEngineSessionCntxtObserver::NewL(aServiceId)));
-        TRACE( "1st Creating session context observer: %d", err );	
-        if (KErrNotFound == err)
-            {
-						TRACE( "Ximp impl not found. Calling Logout" );            	
-            iUnInstall = ETrue;
-            LogoutL();
-            TRACE( "Logout Called on account of uninstall" );
-            return;
-            }
-	    }
-	
-	// iterate the service array
-    for ( TInt index = TVIMPSTEnums::EVoip; index < TVIMPSTEnums::ELast ; index++ )        
-        {
-	    //create the subservice
-	    switch(index)
-	        {
-	        case TVIMPSTEnums::EVoip:
-	            {
-	            if(IsSubServiceSupportedInternal(TVIMPSTEnums::EVoip))
-	                {
-	                CVIMPSTEngineVOIPSubService* item = 
-	                CVIMPSTEngineVOIPSubService::NewL(aServiceId, *iCchHandler,
-	                        iTableFetcher, *this);
-	                iSubService.Append(item);
-	                }
-	            break;				
-	            }
-	        case TVIMPSTEnums::EPresence:
-	            {
-	            if(presenceSupported)
-	                {
-	                if (iSessionCntxtObserver)
-	                    {
-	                    CVIMPSTEnginePresenceSubService* item = CVIMPSTEnginePresenceSubService::NewL(
-	                            aServiceId,*iCchHandler,iTableFetcher,
-	                            *iSessionCntxtObserver,*this
-	                    );
-	                    iSubService.Append(item);
-	                    iSessionCntxtObserver->RegisterObserver(item);					
-	                    }
-	                }
-	            break;
-	            }
-	        case TVIMPSTEnums::EIM:
-	            {
-	            if(imSupported)
-	                {
-	                CVIMPSTEngineIMSubService* item = 
-	                CVIMPSTEngineIMSubService::NewL(aServiceId, *iCchHandler, 
-	                        iTableFetcher,*this);
-	                iSubService.Append(item);
-	                }
-	            break;
-	            }
-	        default:		
-	            {
-	            break;
-	            }
-
-	        }				
-	    }
-		
-    //Create the required extention mgrs
-    CreateExtentionFeaturesL(); 		
-    iState = ParseGetServiceState();
-    //if cch is already logged in, and the callback's servicestatuschanged() stopped
-    RetriveContextIfCChEnabledL();
-    }
-
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::CVIMPSTEngine
-// 
-// ---------------------------------------------------------
-
-CVIMPSTEngine::CVIMPSTEngine( TUint32 aServiceId,
-								CVIMPSTEngineServiceTableFetcher& aTableFetcher ) :
-iServiceId(aServiceId),
-iTableFetcher(aTableFetcher)								
-	{
-    iUnInstall = EFalse;
-	}
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::RetriveContextIfCChEnabledL
-// 
-// ---------------------------------------------------------
-void CVIMPSTEngine::RetriveContextIfCChEnabledL()
-	{
-	TRACER_AUTO; 
-    if ( (iSessionCntxtObserver) && 
-         (TVIMPSTEnums::ESVCEUpdatingContacts == iState || TVIMPSTEnums::ESVCERegistered == iState ) 
-   		 && ( TVIMPSTEnums::EVIMPSTBindNotDone == iSessionCntxtObserver->ContextBindStatus()  ) )
-		{
-		TInt ximpAdapterUid = iTableFetcher.XimpAdapterUidL(iServiceId);
-		TInt err = iSessionCntxtObserver->ServerBindL(TUid::Uid( ximpAdapterUid ));	      
-        if(KErrNone != err)
-            {
-            //should never reache here;
-            iCchHandler->DisableService();
-            User::LeaveIfError(err);
-            }
-        SetExtentionFeaturesSupportedL();
-		}
-
-	}
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::LoginL
-// 
-// ---------------------------------------------------------
-TInt CVIMPSTEngine::Login()
-	{
-	TRACER_AUTO; 
-    TRACE( "ServiceId: %d", iServiceId );
-	
-	TInt error = KErrNotFound;
-	if(iCchHandler)
-		{
-	TRACE( "EnableService Called");
-		error =  iCchHandler->EnableService(); 		
-		}
-	
-	TRACE( "error: %d", error );
-		
-	return error;
-	}
-
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::Logout
-// 
-// ---------------------------------------------------------
-void CVIMPSTEngine::LogoutL()
-	{
-	TRACER_AUTO;
-	TRACE( "ServiceId: %d", iServiceId );
-	
-	if(iCchHandler)
-		{
-		MVIMPSTEngineSubService* subService = SubService(TVIMPSTEnums::EPresence);
-		if (subService)
-		    {
-		    //Get Presence SubService     
-		    MVIMPSTEnginePresenceSubService& presenceSubService = 
-		                    MVIMPSTEnginePresenceSubService::Cast(*subService);
-		    if (TVIMPSTEnums::ESVCERegistered == subService->SubServiceState() ||
-		            TVIMPSTEnums::ESVCEUpdatingContacts == subService->SubServiceState() ) 
-		        {
-		        // Unsubscribe all lists here to get whole list contents when doing a new bind.
-                // Trap here to avoid unbind not being done if list operations should leave
-                TRAP_IGNORE( presenceSubService.UnsubscribeListsL() ); 
-		        }		    
-		    }
- 			//if either of Presence/IM Subservice supported then we need
-      //to unbind to XIMP context. 
-      if( iSessionCntxtObserver )
-          {
-          TRACE( "ServerUnBindL Called");
-          iSessionCntxtObserver->ServerUnBindL(ETrue);    
-          }		
-		TRACE(" DisableService Called");
-		iCchHandler->DisableService();  
-		}	
-	
-	}
-
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::ServiceId
-// 
-// ---------------------------------------------------------
-TUint32 CVIMPSTEngine::ServiceId() const
-	{
-	TRACER_AUTO;
-	TRACE( "ServiceId: %d", iServiceId );
-	return iServiceId;	
-	}
-
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::ServiceName
-// 
-// ---------------------------------------------------------
-const TDesC& CVIMPSTEngine::ServiceName() const
-	{
-	TRACER_AUTO;
-	TPtr serviceNamePtr = iServiceName->Des();
-	TRACE( "ServiceName: '%S'", &serviceNamePtr );
-	return *iServiceName;	
-	}
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::ServiceState
-// 
-// ---------------------------------------------------------
-TVIMPSTEnums::TVIMPSTRegistrationState CVIMPSTEngine::ServiceState() const
-	{
-	TRACER_AUTO;
-	TRACE( "ServiceState: %d", iState  );
-	return iState;
-	}
-
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::GetBrandInfo
-// 
-// ---------------------------------------------------------
-TInt CVIMPSTEngine::GetBrandInfoL(TLanguage& aBrandLanguage, 
-				TInt &aBrandVersion, TDes8& aBrandId) const
-
-	{
-	TRACER_AUTO;	
-	TRACE("ServiceId: %d", iServiceId );
-	
-	iTableFetcher.GetBrandIdL(iServiceId, aBrandId);
-	aBrandLanguage = iTableFetcher.PropertyBrandLanguageL(iServiceId);
-	aBrandVersion = iTableFetcher.PropertyBrandVersionL(iServiceId);	
-	return KErrNone;
-	}
-	
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::IsSubServiceSupportedL
-// 
-// ---------------------------------------------------------
-TBool CVIMPSTEngine::IsSubServiceSupportedL(TVIMPSTEnums::SubServiceType aType) const 
-	{
-	TRACER_AUTO;	
-	TRACE("ServiceId: %d", iServiceId);
-	TRACE("SubServiceType: %d", aType);
-	
-	TBool support = EFalse;
-	
-	MVIMPSTEngineSubService* subService = SubService(aType);
-	if (subService)
-		{
-		support = ETrue;
-		}
-	
-	TRACE( "support: %d", support );		
-	return support;
-	
-	}
-					
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::IsSubServiceEnabled
-// 
-// ---------------------------------------------------------		
-TBool CVIMPSTEngine::IsSubServiceEnabled(TVIMPSTEnums::SubServiceType aType) const 
-	{
-	
-
-	TRACER_AUTO;
-    TRACE( "ServiceId: %d", iServiceId );
-    TRACE( "SubServiceType: %d", aType );
-
-	MVIMPSTEngineSubService* subService = SubService(aType);
-	TBool enabled = EFalse;
-	
-	if (subService)
-		{			
-		if ( TVIMPSTEnums::ESVCERegistered == subService->SubServiceState() )
-			{			
-			enabled = ETrue;
-			}
-		}	
-	TRACE( "enabled: %d", enabled );
-	return enabled;	
-	}
-			
-// ---------------------------------------------------------
-// CVIMPSTEngine::GetContactStoreIdL
-// 
-// ---------------------------------------------------------	
-void CVIMPSTEngine::ContactStoreIdL (TDes& aContactStoreId ) const
-	{
-	TRACER_AUTO;
-	TRACE("ServiceId: %d", iServiceId );	
-	iTableFetcher.GetContactStoreIdL(iServiceId, aContactStoreId);	
-
-	}
-
-// ---------------------------------------------------------------------------
-// CVIMPSTEngine::RegisterServiceSessionObserver()
-// ---------------------------------------------------------------------------
-// 
-void CVIMPSTEngine::RegisterServiceSessionObserverL
-							(MVIMPSTEngineServiceStateEventObserver* aObserver)
-	{
-	TRACER_AUTO;
-	__ASSERT_ALWAYS(aObserver,User::Leave(KErrArgument));	
-	TInt index = iObserverArray.Find(aObserver);
-	        if( index == KErrNotFound )
-	            {
-	            iObserverArray.Append( aObserver );   
-	            } 
-
-	}
-	
-// ---------------------------------------------------------------------------
-// CVIMPSTEngine::UnRegisterServiceSessionObserver()
-// ---------------------------------------------------------------------------
-//     
-void CVIMPSTEngine::UnRegisterServiceSessionObserver
-							(MVIMPSTEngineServiceStateEventObserver* aObserver)
-	{
-
-	TRACER_AUTO;
-    if(aObserver)
-        {
-        TInt index = iObserverArray.Find(aObserver);
-        if( index >=0 )
-            {
-            iObserverArray.Remove( index );
-            iObserverArray.Compress();
-            }
-        }
-
-	}
-// ---------------------------------------------------------
-// CVIMPSTEngine::IntializeStorage
-// 
-// ---------------------------------------------------------	
-void CVIMPSTEngine::IntializeStorageL()
-	{
-	TRACER_AUTO;
-    TRACE( "ServiceId: %d", iServiceId );	
- 	iContactInterface = CVIMPSTStorageManagerFactory::ContactListInterfaceL(iServiceId);
- 	if(iContactInterface)
-		{
-		iContactInterface->AddObserverL( this );   
-		MVIMPSTSettingsStore* store = CVIMPSTSettingsStore::NewLC(); 
-		RBuf lastUserName;
-		lastUserName.CreateL( KPropertyMaxLength );
-		CleanupClosePushL( lastUserName );
-		store->GetL( iServiceId, EServiceLastUserName, lastUserName );
-		if( lastUserName.Length() == 0 )
-			{
-			HBufC* userId = GetOwnUserIdFromCChOrStorageL();
-			CleanupStack::PushL( userId );
-			store->SetL(iServiceId, EServiceLastUserName,*userId);
-			iContactInterface->SetOwnUserIdL(*userId );  
-			CleanupStack::PopAndDestroy(); //userId   
-			}
-		else
-			{
-			iContactInterface->SetOwnUserIdL(lastUserName );	
-			}
-		CleanupStack::PopAndDestroy(&lastUserName); //lastUserName  
-		CleanupStack::PopAndDestroy(); //store     
-		}
- 
-	}
-// ---------------------------------------------------------
-// CVIMPSTEngine::UnIntializeStorage
-// 
-// ---------------------------------------------------------	
-void CVIMPSTEngine::UnIntializeStorage()
-	{
-	TRACER_AUTO;
-	TRACE( "ServiceId: %d", iServiceId );
-	if(iContactInterface)
-		{
-		iContactInterface->RemoveObserver( this );
-		} 
-
-	}
-	
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::SetOwnUserIdIfChangedL
-// ( Other items commented in header )
-//----------------------------------------------------------------------------- 
-void CVIMPSTEngine::SetOwnUserIdIfChangedL(const TDesC& aUserId)
-	{
-
-	TRACER_AUTO;
-	MVIMPSTSettingsStore* store = CVIMPSTSettingsStore::NewLC();
-	RBuf lastUserName;
-	lastUserName.CreateL( KPropertyMaxLength );
-	CleanupClosePushL( lastUserName );
-	store->GetL( iServiceId, EServiceLastUserName, lastUserName );
-	//first time when cenrep is not set with any value. set current as lastusername
-	if( lastUserName.Compare( aUserId ) != 0  )
-		{ 
-		store->SetL(iServiceId, EServiceLastUserName,aUserId);
-		iContactInterface->SetOwnUserIdL(aUserId );  
-		} 
-	CleanupStack::PopAndDestroy(&lastUserName); //lastUserName         
-	CleanupStack::PopAndDestroy(); //store 
-
-	}
-
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::GetOwnUserIdFromCChOrStorageL
-// ( Other items commented in header )
-//----------------------------------------------------------------------------- 
-HBufC* CVIMPSTEngine::GetOwnUserIdFromCChOrStorageL() const
-	{
-
-	TRACER_AUTO;
-	TRACE( "ServiceId: %d", iServiceId );
-	HBufC* buffer = NULL;
-	if(iCchHandler)
-		{
-		// Set userid
-		buffer = iCchHandler->GetConParametersL(ECchUsername);      
-		CleanupStack::PushL( buffer );
-		}
-	if (!buffer)
-	    {
-	    buffer = KNullDesC().AllocLC();
-	    }
-	CleanupStack::Pop();//buffer 
-	return buffer;
-	}
-
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::SubService
-// ( Other items commented in header )
-//----------------------------------------------------------------------------- 
-MVIMPSTEngineSubService* CVIMPSTEngine::SubService(TVIMPSTEnums::SubServiceType aType) const 
-	{
-	TRACER_AUTO;
-	TRACE("ServiceId: %d", iServiceId );
-	TRACE( "SubServiceType: %d", aType );
-	TInt subServiceCount = iSubService.Count();
-	MVIMPSTEngineSubService* subService = NULL;	
-	
-	// iterate the service array
-    for ( TInt index = 0; index < subServiceCount ; index++ )        
-        {
-        
-        if (aType == iSubService[index]->Type())
-	        {
-	        subService = iSubService[index];	  
-	        TRACE("SubService Found");
-	        break;
-	        }       			
-		}	
-	
-
-    
-	return subService;	
-	}
-	
-
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::ExtentionFeatures
-// ( Other items commented in header )
-//----------------------------------------------------------------------------- 
-MVIMPSTEngineExtentionFeatures* CVIMPSTEngine::ExtentionFeatures(TVIMPSTEnums::ExtentionType aType) const 
-	{
-	TRACER_AUTO;
-	TRACE("ServiceId: %d", iServiceId);
-	TRACE("ExtentionType: %d", aType);
-	TInt fetaureCount = iExtentionFeatures.Count();
-	MVIMPSTEngineExtentionFeatures* feature = NULL;	
-	
-	// iterate the service array
-    for ( TInt index = 0; index < fetaureCount ; index++ )        
-        {
-        
-        if (aType == iExtentionFeatures[index]->Type())
-	        {
-	        feature = iExtentionFeatures[index];	   
-	        TRACE("ExtentionFeatures Found");	
-	        break;
-	        }       			
-		}	
-	
-
-	return feature;	
-	}
-
-
-
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::AddExtentionFeaturesL
-// ( Other items commented in header )
-//----------------------------------------------------------------------------- 
-void CVIMPSTEngine::AddExtentionFeaturesL(MVIMPSTEngineExtentionFeatures* aFeature) 
-	{
-	__ASSERT_ALWAYS(aFeature,User::Leave(KErrArgument));	
-
-	TRACER_AUTO;
-	TRACE( "ServiceId: %d", iServiceId );
-	if (aFeature)
-		{		
-	    TRACE( "ExtentionType: %d", aFeature->Type() );
-		iExtentionFeatures.Append(aFeature);		
-		TRACE( "Append Done" );
-		}	
-	
-
-	
-	}
-	
-	
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::RemoveExtentionFeatures
-// ( Other items commented in header )
-//----------------------------------------------------------------------------- 
-void CVIMPSTEngine::RemoveExtentionFeatures(TVIMPSTEnums::ExtentionType aType) 
-	{
-	TRACER_AUTO;	
-
-	TRACE( "ServiceId: %d", iServiceId );
-	TInt fetaureCount = iExtentionFeatures.Count();
-	
-	// iterate the service array
-    for ( TInt index = 0; index < fetaureCount ; index++ )        
-        {
-        
-        if (aType == iExtentionFeatures[index]->Type())
-	        {
-	        TRACE( "ExtentionType: %d", aType );
-	        iExtentionFeatures.Remove(index);
-	        iExtentionFeatures.Compress();
-	        TRACE( "Remove Done" );
-	        break;
-	        }       			
-		}	
-	
-
-		
-	}	
-	
-
-
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::HandleServceConnectionEventL
-// ( Other items commented in header )
-//-----------------------------------------------------------------------------
-void  CVIMPSTEngine::HandleServceConnectionEventL()
-	{
-	TRACER_AUTO;
-	TRACE( "ServiceId: %d", iServiceId );	
-
-	TVIMPSTEnums::TVIMPSTRegistrationState previousState = iState;
-	iState = ParseGetServiceState();	
-
-	if(TVIMPSTEnums::ESVCENotRegistered == iState)
-		{
-		CVIMPSTEnginePresenceSubService* presSubService = 
-		dynamic_cast<CVIMPSTEnginePresenceSubService*> 
-		(SubService(TVIMPSTEnums::EPresence));   
-		if(presSubService)
-			{
-			presSubService->ResetBlockedListManagerL();
-			}
-		}
-	TRACE( "PreviousState: %d, CurrentState:%d", previousState, iState );
-	//Only send observer notifications if there is any change in the Service State
-	//Otherwise not required
-	if (previousState != iState)
-		{
-		//Presence Service needs to Register for the XIMP Events once when
-		//the context gets binded
-		//Get Presence SubService   
-		CVIMPSTEnginePresenceSubService* presSubService = 
-									dynamic_cast<CVIMPSTEnginePresenceSubService*>(SubService(TVIMPSTEnums::EPresence));     
-		// in case of roaming(moving from one network to another)
-		// servicetab goes from registered to connecting state, hence the unbind is done here.
-    if (  presSubService && TVIMPSTEnums::ESVCERegistered == previousState &&
-          TVIMPSTEnums::ESVCENetworkConnecting == iState )
-          {
-          TRACE( "UnsubscribeLists"  );
-          
-          TRAPD( err, presSubService->UnsubscribeListsL() );
-	  
-          TRACE( "UnsubscribeLists -err: %d" , err );
-	  
-          if ( iSessionCntxtObserver )
-              {
-              iSessionCntxtObserver->ServerUnBindL( ETrue );
-              }
-          }          
-		TInt count = iObserverArray.Count();
-		for (TInt index=0; index<count; index++)		
-			{
-			TRACE( "calling HandleServiceEventL" );
-			iObserverArray[index]->HandleServiceEventL(iState, KErrNone);
-			}		
-		TInt ximpAdapterUid = iTableFetcher.XimpAdapterUidL(iServiceId);
-		if ( (iSessionCntxtObserver) && (KErrNotFound != ximpAdapterUid ) )
-			{
-
-			if ( ( TVIMPSTEnums::ESVCEUpdatingContacts == iState || 
-			     TVIMPSTEnums::ESVCERegistered == iState ) &&
-			     TVIMPSTEnums::EVIMPSTBindNotDone == iSessionCntxtObserver->ContextBindStatus() )
-				{				
-				TInt error = iSessionCntxtObserver->ServerBindL(TUid::Uid( ximpAdapterUid ));
-				if(KErrNone != error)
-					{
-					//should never reache here;
-					iCchHandler->DisableService();
-					User::LeaveIfError(error);
-					}
-				SetExtentionFeaturesSupportedL();
-				}
-			else if (TVIMPSTEnums::ESVCENotRegistered == iState )
-				{
-				MVIMPSTStorageServiceView* storage =  CVIMPSTStorageManagerFactory::ContactListInterfaceL(iServiceId);
-				if( storage )
-					{
-					 MVIMPSTStorageContact& ownContact = storage->OwnContactL();
-                     TPtrC ownUserId = ownContact.UserId();
-                     if( ownUserId.Length() &&  presSubService )
-                        {
-                        presSubService->UnSubscribePresenceOfSingleContactL( ownUserId );
-                        }
-					 MVIMPSTStorageContactList* list = storage->FindContactList(KIMContactListId) ;      
-					if ( list )                     
-						{
-						TInt count = list->Count();
-						for(TInt i = 0;i < count; i++)
-							{
-							MVIMPSTStorageContact* contact = &(list->operator[](i));
-							if(contact)
-								{
-								if(presSubService)
-									{
-									if( contact->UserId().Length() )
-										{
-										TRAP_IGNORE( presSubService->UnSubscribePresenceOfSingleContactL( contact->UserId() ) );	
-										}
-									if(!(contact->UserId().Length())) // if no XspId
-									    {
-									    contact->SetOnlineStatus(TVIMPSTEnums::EUnknown);
-									    }
-									else if(TVIMPSTEnums::EPending != contact->OnlineStatus())
-										{
-										contact->SetOnlineStatus(TVIMPSTEnums::EOffline);
-										}// end of if
-									}// end of for
-								} // end of if(contact)
-							}// end of for
-						storage->Sort(KIMContactListId);						
-						// Inform service state changes to UI service tab
-						// and further to update the buddy list after sort. 
-						TInt obsvrArrayCount = iObserverArray.Count();
-						for (TInt index=0; index<obsvrArrayCount; index++)		
-							{
-							iObserverArray[index]->HandleServiceEventL(iState, KErrNone);
-							}	
-						}
-					}
-				ReSetExtentionFeaturesSupportedL();
-				} //end of else if
-			}// end of isessioncontextobserver and ximpadapteruid.
-			}// end of if(previousstate != iState)	
-
-	}
-	
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::ParseGetServiceState
-// ( Other items commented in header )
-//-----------------------------------------------------------------------------
-TVIMPSTEnums::TVIMPSTRegistrationState CVIMPSTEngine::ParseGetServiceState()
-	{
-	TRACER_AUTO;
-	TInt subServiceCount = iSubService.Count();
-	TInt serviceState = 0;
-		
-	//Find the cumulative of the ServiceStates of all subservices
-	// iterate the service array
-    for ( TInt index = 0; index < subServiceCount ; index++ )        
-        {           
-        serviceState |= iSubService[index]->SubServiceState();
-		}
-	
-	//ServiceState
-    TVIMPSTEnums::TVIMPSTRegistrationState state = TVIMPSTEnums::ESVCENotRegistered;
-    
-    //The logic below is that, if any one subservice not enabled for us the service is not enabled
-    //So to do this we assign priority for each service state
-    //Connecting gets the High Priority, when copmared to Waiting for Connection,
-    //Disconnecting, Registered, UnRegistered.
-    //By this way the Sevice Tab will be more usable and atleast we can perform operations
-    //related to the the logged in subservice
-    //its upto the connection handlers to do the job properly, whether to provide connectivity to all
-    //sub services or not.. 
-    
-    //Start parsing and decide the state of the ServiceTab   
-    if ( serviceState & TVIMPSTEnums::ESVCENetworkConnecting )
-	    {
-	    //Connecting	
-	    state = TVIMPSTEnums::ESVCENetworkConnecting;
-	    }
-	else if ( serviceState & TVIMPSTEnums::ESVCEWaitingForNetwork )
-	    {
-	    //Waiting for Connection	
-	    state = TVIMPSTEnums::ESVCEWaitingForNetwork;
-	    }
-	else if ( serviceState & TVIMPSTEnums::ESVCEUpdatingContacts )
-	    {
-	    //Waiting for Connection	
-	    state = TVIMPSTEnums::ESVCEUpdatingContacts;
-	    }	    	    
-    else if ( serviceState & TVIMPSTEnums::ESVCENetworkDisConnecting )
-	    {
-	    //disconnecting	
-	    state = TVIMPSTEnums::ESVCENetworkDisConnecting;
-	    }   
-	else if ( serviceState & TVIMPSTEnums::ESVCERegistered ) 
-	    {
-	    //Enabled	
-	    state = TVIMPSTEnums::ESVCERegistered;
-	    }	     	
-	
-	return state;	
-	}	
-
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::HandleContactFetchedL
-// ( Other items commented in header )
-//-----------------------------------------------------------------------------
-void  CVIMPSTEngine::HandleContactFetchedL()
-    {
-  
-	TRACER_AUTO;
-    
-    if (TVIMPSTEnums::ESVCERegistered == iState ||
-	    	TVIMPSTEnums::ESVCEUpdatingContacts == iState ) 
-		{
-		MVIMPSTEngineSubService* subService = SubService(TVIMPSTEnums::EPresence);
-		if (subService)
-			{
-			//Get Presence SubService     
-			MVIMPSTEnginePresenceSubService& presenceSubService = 
-			        MVIMPSTEnginePresenceSubService::Cast(*subService);
-
-			if (TVIMPSTEnums::ESVCERegistered == subService->SubServiceState() ||
-				TVIMPSTEnums::ESVCEUpdatingContacts == subService->SubServiceState() ) 
-				{
-				presenceSubService.FetchPresenceFromCache();
-				}	    
-			presenceSubService.UpdatePresenceStateL();
-			}
-		// this is added here as for xmpp subscribeforsearchkeys needs to be done only 
-		// after the contactts are fetched from the server,
-		// SetExtensionFeaturesSupported is moved to immediately after login.
-		// as for sip case it would never come to this line if there are not contacts in it.   
-		MVIMPSTEngineExtentionFeatures* feature = ExtentionFeatures(
-		                    TVIMPSTEnums::ESearch);
-		if (feature)
-			{
-			MVIMPSTEngineSearchMgrExtention& searchFeature = 
-							MVIMPSTEngineSearchMgrExtention::Cast(*feature);                				
-			//subscribe for search keys, since this is a server feature            				               				
-			if(TVIMPSTEnums::ESupportUnKnown == searchFeature.IsSupported())
-			    {
-			    searchFeature.SubscribeForSearchKeysL();                
-			    }
-			}                
-		}                
-  
-    }
-    
-// --------------------------------------------------------------------------
-// CVIMPSTEngine::HandleStorageChangeL
-// --------------------------------------------------------------------------
-//
-void CVIMPSTEngine::HandleStorageChangeL( TVIMPSTEnums::TVIMPSTStorgaeEventType aEventType,
-		         							MVIMPSTStorageContactList* /*aList*/, 
-			        						MVIMPSTStorageContact* aContact,
-			        						TInt /*aContactIndex*/ )
-    {
-  
-	TRACER_AUTO;  
-	TRACE(" iState = %d", iState);
-    if (TVIMPSTEnums::ESVCERegistered == iState ||	TVIMPSTEnums::ESVCEUpdatingContacts == iState ) 
-		{	
-        TRACE( "Inside IF");	
-        TRACE( "aEventType : %d", aEventType);
-		switch( aEventType )
-		    {
-		    case TVIMPSTEnums::EStorageContactReadComplete:
-		    case TVIMPSTEnums::EStorageContactFetchComplete:
-		        {
-		        TRACE( "aEventType EStorageContactFetchComplete");
-		        MVIMPSTEngineSubService* subService =  SubService(TVIMPSTEnums::EPresence); 
-		        if( subService )   
-		            {
-		       
-		           TRACE( "Inside IF subService");
-		            MVIMPSTEnginePresenceSubService& presenceSubService = MVIMPSTEnginePresenceSubService::Cast(*subService);
-		            
-		            MVIMPSTStorageServiceView* storage =  CVIMPSTStorageManagerFactory::ContactListInterfaceL(iServiceId);
-		            if( storage )
-		                {
-		                MVIMPSTStorageContact& ownContact = storage->OwnContactL();
-                        TPtrC ownUserId = ownContact.UserId();
-                        if( ownUserId.Length() )
-                            {
-                            presenceSubService.SubscribePresenceOfSingleContactL( ownUserId );
-                            }
-		          
-		                TRACE( "inside  if storage");
-		                MVIMPSTStorageContactList* list = storage->FindContactList(KIMContactListId) ;      
-		                if ( list )                     
-		                    {
-		               
-		                     TRACE( "inside  if list");
-		                    TInt count = list->Count();		                 
-		                    TRACE( "inside  count = %d", count);
-		                    for(TInt i = 0;i < count; i++)
-		                        {
-		                        MVIMPSTStorageContact* contact = &(list->operator[](i));
-		                        if(contact)
-		                            {
-                                    if( contact->UserId().Length() )
-                                        {
-                                        TPtrC userId = contact->UserId();                                   
-                                        TRACE("inside userId = %S", &userId);
-                                        presenceSubService.SubscribePresenceOfSingleContactL( contact->UserId() );    
-                                        }
-		                            } // end of if(contact)
-		                        }// end of for
-		                    }
-		                }
-
-		            }
-		        HandleContactFetchedL();
-
-		        break;	
-		        }
-		    case TVIMPSTEnums::EStorageEventOwnUserChanged:
-		    case TVIMPSTEnums::EStorageEventContactAddition:
-		    case TVIMPSTEnums::EStorageContactSynchronizing:
-		    case TVIMPSTEnums::EStorageContactReading:
-		    case TVIMPSTEnums::EStorageContactFetchExistInStore:
-		        {		    
-		        TRACE( "aEventType : %d", aEventType);
-		        MVIMPSTEngineSubService* subService =  SubService(TVIMPSTEnums::EPresence); 
-		        if( subService && aContact && 
-		                aContact->UserId().Length() && 
-		                TVIMPSTEnums::ESVCERegistered == iState )   
-		            {
-		            MVIMPSTEnginePresenceSubService& presenceSubService = MVIMPSTEnginePresenceSubService::Cast(*subService);
-		            presenceSubService.SubscribePresenceOfSingleContactL( aContact->UserId() );	
-		            presenceSubService.FetchPresenceOfSingleContactL(aContact->UserId());
-		            }
-		        break;
-		        }
-		    case TVIMPSTEnums::EStorageEventUserIdPreChange:
-		    case TVIMPSTEnums::EStorageEventDeleteFromPbk:
-		        {
-		     
-		        TRACE("EStorageEventUserIdPreChange/EStorageEventDeleteFromPbk");
-		        if( aContact && aContact->UserId().Length() ) 
-		            {
-		            TPtrC userId = aContact->UserId();
-		            MVIMPSTEngineSubService* subService =  SubService(TVIMPSTEnums::EPresence);	
-		            // incase of delete from phonebook delete from server and close conversation if exist
-		            // mostly applicable for local store cases
-		            if( subService )
-		                {
-		                MVIMPSTEnginePresenceSubService& presenceSubService = MVIMPSTEnginePresenceSubService::Cast(*subService);
-		                presenceSubService.UnSubscribePresenceOfSingleContactL( userId ) ;	
-		                }
-		            MVIMPSTEngineExtentionFeatures* feature = ExtentionFeatures(TVIMPSTEnums::EContactManagement);
-		            if (feature )	
-		                {
-		                MVIMPSTEngineContactMgmtExtention& contactMgr = MVIMPSTEngineContactMgmtExtention::Cast(*feature);
-		                contactMgr.DeleteServerContactL(KNullDesC,userId) ;
-		                }
-		            MVIMPSTEngineSubService* imService = SubService(TVIMPSTEnums::EIM) ;    
-		            if(imService)
-		                {
-		                MVIMPSTEngineIMSubService& imSubService = MVIMPSTEngineIMSubService::Cast (*imService);
-		                imSubService.CloseConversationL( userId );
-		                }
-		            }
-		        break;
-		        }
-		    case TVIMPSTEnums::EStorageEventUserIdPostChange:
-		        {
-		     
-		        TRACE("EStorageEventUserIdPostChange");
-		        if( aContact && aContact->UserId().Length() ) 
-		            {
-		            TPtrC userId = aContact->UserId();
-		            // incase of delete from phonebook delete from server and close conversation if exist
-		            // mostly applicable for local store cases
-		            MVIMPSTEngineSubService* subService =  SubService(TVIMPSTEnums::EPresence);
-		            if( subService )
-		                {
-		                MVIMPSTEnginePresenceSubService& presenceSubService = MVIMPSTEnginePresenceSubService::Cast(*subService);
-		                presenceSubService.SubscribePresenceOfSingleContactL( userId );	
-		                }
-		            MVIMPSTEngineExtentionFeatures* feature = ExtentionFeatures(TVIMPSTEnums::EContactManagement);
-		            if (feature )   
-		                {
-		                MVIMPSTEngineContactMgmtExtention& contactMgr = MVIMPSTEngineContactMgmtExtention::Cast(*feature);
-		                contactMgr.AddServerContactL(KListNameAllBuddy,userId, aContact->Name(), EFalse );
-		                }
-		            }
-		        break;
-		        } 
-		    default:
-		        {
-		        break;
-		        }
-		    }
-		}
-    }
-    
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::CreateExtentionFeaturesL
-// ( Other items commented in header )
-//-----------------------------------------------------------------------------    
-void CVIMPSTEngine::CreateExtentionFeaturesL()
-    {
-	TRACER_AUTO;
-    if (!iSessionCntxtObserver)
-        {
-        return;	
-        }
-
-    //create all the features
-    //first find whether we have the extention already created
-    //in the extention manager list 
-    
-    //first find whether we have the extention already created
-    //in the extention manager list
-    MVIMPSTEngineExtentionFeatures* contactMgtFeature = ExtentionFeatures(
-                            TVIMPSTEnums::EContactManagement);
-    
-    if (!contactMgtFeature)
-        {
-        CVIMPSTEngineContactMgmtExtention* contactItem = 
-                        CVIMPSTEngineContactMgmtExtention::NewL(
-                        iSessionCntxtObserver->XimpPresenceContextL(),
-                        iSessionCntxtObserver->XimpPresentityGroupsL(),
-                        *iSessionCntxtObserver->GetRequestMapper());
-
-        AddExtentionFeaturesL(contactItem);
-        //Unregister is done by session context when the presence context gets
-        //unbinded
-        iSessionCntxtObserver->RegisterObserver(contactItem);   
-        }
-    
-    
-    //first find whether we have the extention already created
-    //in the extention manager list
-    MVIMPSTEngineExtentionFeatures* searchFeature = ExtentionFeatures(
-                            TVIMPSTEnums::ESearch);
-    if (!searchFeature)
-        {                   
-        CVIMPSTEngineSearchMgrExtention* searchitem = 
-                CVIMPSTEngineSearchMgrExtention::NewL(
-                            iSessionCntxtObserver->XimpPresenceContextL(),
-                            *iSessionCntxtObserver->GetRequestMapper());
-                            
-        AddExtentionFeaturesL(searchitem);                  
-        
-        //Unregister is done by session context when the presence context gets
-        //unbinded
-        iSessionCntxtObserver->RegisterObserver(searchitem);
-        }
-    
-    }
-
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::SetExtentionFeaturesSupportedL
-// ( Other items commented in header )
-//-----------------------------------------------------------------------------    
-void CVIMPSTEngine::SetExtentionFeaturesSupportedL()
-    {
-	TRACER_AUTO;
-    if (!iSessionCntxtObserver)
-		{
-		return;	
-		}
-		
-    //We would have got the supported features 
-    //iterate and create the required extentionmgr
-    TInt supportedFeatures = iSessionCntxtObserver->GetSupportedFeatures();
-
-    if ( !(EVIMPSTFeatureSearch & supportedFeatures) )
-        {
-        //first find whether we have the extention already created
-        //in the extention manager list
-        MVIMPSTEngineExtentionFeatures* feature = ExtentionFeatures(
-                                TVIMPSTEnums::ESearch);
-        if (feature)
-            {
-            MVIMPSTEngineSearchMgrExtention& searchFeature = 
-            				MVIMPSTEngineSearchMgrExtention::Cast(*feature);                				
-            searchFeature.SetSupported(TVIMPSTEnums::ENotSupported); 
-            //subscribe for search keys is done once the contacts are fetched from the server.
-            //check HandleContactFetchCOmpletedL().
-            }                
-        }
-        
-    if (( EVIMPSTFeatureAddContact & supportedFeatures ) || 
-    			( EVIMPSTFeatureDeleteContact & supportedFeatures ))
-        { 
-        //first find whether we have the extention already created
-        //in the extention manager list
-        MVIMPSTEngineExtentionFeatures* feature = ExtentionFeatures(
-                                TVIMPSTEnums::EContactManagement);
-        if (feature)
-            {
-            MVIMPSTEngineContactMgmtExtention& contactMgmtFeature = 
-            				CVIMPSTEngineContactMgmtExtention::Cast(*feature);                				
-            contactMgmtFeature.SetSupported(TVIMPSTEnums::ESupported);                
-            }
-
-        }
-    
-    if ( EVIMPSTFeatureAvatar & supportedFeatures )
-    	{
-        //first find whether we have the extention already created
-        //in the extention manager list
-        MVIMPSTEngineSubService* subService = SubService(
-                                TVIMPSTEnums::EPresence);
-        if (subService)
-            {
-            MVIMPSTEnginePresenceSubService& avatarFeature = 
-            				CVIMPSTEnginePresenceSubService::Cast(*subService);                				
-            avatarFeature.SetAvatarSupported(ETrue);                
-            }
-        }
-    }
-
-
-//-----------------------------------------------------------------------------
-// CVIMPSTEngine::ReSetExtentionFeaturesSupportedL
-// ( Other items commented in header )
-//-----------------------------------------------------------------------------    
-void CVIMPSTEngine::ReSetExtentionFeaturesSupportedL()
-    {
-	TRACER_AUTO;
-    //first find whether we have the extention already created
-    //in the extention manager list
-    MVIMPSTEngineExtentionFeatures* feature = ExtentionFeatures(
-                            TVIMPSTEnums::ESearch);
-    if (feature)
-        {
-        MVIMPSTEngineSearchMgrExtention& searchFeature = 
-        				MVIMPSTEngineSearchMgrExtention::Cast(*feature);                				
-        searchFeature.SetSupported(TVIMPSTEnums::ESupportUnKnown);                    
-        }                
-
-    //first find whether we have the extention already created
-    //in the extention manager list
-    MVIMPSTEngineExtentionFeatures* feature1 = ExtentionFeatures(
-                            TVIMPSTEnums::EContactManagement);
-    if (feature1)
-        {
-        MVIMPSTEngineContactMgmtExtention& contactMgmtFeature = 
-        				CVIMPSTEngineContactMgmtExtention::Cast(*feature1);                				
-        contactMgmtFeature.SetSupported(TVIMPSTEnums::ESupportUnKnown);                
-        }
-
-    //first find whether we have the extention already created
-    //in the extention manager list
-    MVIMPSTEngineSubService* subService = SubService(
-                                TVIMPSTEnums::EPresence );
-    if (subService)
-        {
-        MVIMPSTEnginePresenceSubService& avatarFeature = 
-        				CVIMPSTEnginePresenceSubService::Cast(*subService);                				
-        avatarFeature.SetAvatarSupported(EFalse);                
-        }
-    
-    }
-
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::DefaultDomainNameL
-// 
-// ---------------------------------------------------------
-void CVIMPSTEngine::DefaultDomainNameL( TDes& aDefaultDomainName ) const
-	{
-	TRACER_AUTO;	
-	TRACE( "ServiceId: %d", iServiceId );
-	iTableFetcher.GetDefaultDomainNameL(iServiceId, aDefaultDomainName);	
-
-	}
-	
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::IsSubServiceSupportedInternal
-// 
-// ---------------------------------------------------------
-TBool CVIMPSTEngine::IsSubServiceSupportedInternal(TVIMPSTEnums::SubServiceType aType) const 
-	{
-	TRACER_AUTO;
-	TRACE( "ServiceId: %d", iServiceId );
-	TRACE( "SubServiceType: %d", aType );
-	TInt err = KErrNotFound;
-	TBool support = EFalse;
-	TCCHSubserviceState aCCHState(ECCHUninitialized);	
-
-	switch(aType)
-		{
-		case TVIMPSTEnums::EVoip:
-			{
-			err = iCchHandler->GetServiceState(iServiceId, ECCHVoIPSub, aCCHState);				
-			break;				
-			}
-		case TVIMPSTEnums::EPresence:
-			{
-			err = iCchHandler->GetServiceState(iServiceId, ECCHPresenceSub, aCCHState);							
-			break;
-			}
-		case TVIMPSTEnums::EIM:
-			{
-			err = iCchHandler->GetServiceState(iServiceId, ECCHIMSub, aCCHState);	
-			break;
-			}
-		default:		
-			{
-			break;
-			}
-		
-		}
-	
-	if (KErrNone == err)
-		{
-		support = ETrue;		
-		}
-		
-
-	TRACE("support: %d", support );
-	return support;
-	}
-	
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::ChangeConnectionL
-// 
-// ---------------------------------------------------------
-TInt CVIMPSTEngine::ChangeConnectionL()
-	{
-	TRACER_AUTO;
-	TRACE( "ServiceId: %d", iServiceId );
-	TInt error = KErrNotFound;
-	if(iCchHandler)
-		{
-	
-	   TRACE( "ChangeConnectionL() Called" );
-		error =  iCchHandler->ChangeConnectionL(); 		
-		}
-	
-
-	TRACE("error: %d", error );
-
-	return error;
-	}		
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::IsBlockSupportedL
-// 
-// ---------------------------------------------------------
-
-TBool CVIMPSTEngine::IsBlockSupportedL()
-    {
-	TRACER_AUTO;
-    TBool isBlockSupported = EFalse;
-    //We would have got the supported features 
-    if(iSessionCntxtObserver && (TVIMPSTEnums::ESVCERegistered == ParseGetServiceState()))
-        {
-        TInt supportedFeatures = iSessionCntxtObserver->GetSupportedFeatures();
-        if ( (EVIMPSTFeatureBlock & supportedFeatures) && (EVIMPSTFeatureUnBlock & supportedFeatures) )
-            {
-            isBlockSupported = ETrue;
-            }
-        }
-    return isBlockSupported;
-    }
-
-// ---------------------------------------------------------
-// CVIMPSTEngine::IsPasswordAvailable
-// returns True if password is present in the settings else returns false
-// ---------------------------------------------------------
-TBool CVIMPSTEngine::IsPasswordAvailableL()
-    {
-	TRACER_AUTO;
- 
-    return(iCchHandler->IsPasswordAvailable(ECchPasswordSet));    
-    }
-    
-// ---------------------------------------------------------
-// CVIMPSTEngine::DeleteDataBase
-// ---------------------------------------------------------
-void CVIMPSTEngine::DeleteDataBaseL() 
-	{
-	TRACER_AUTO;
-	MVIMPSTStorageServiceView* storage = 
-	CVIMPSTStorageManagerFactory::ContactListInterfaceL(iServiceId);
-	if( storage )
-		{
-		//delete cdb file.
-		storage->DeleteDatabaseL();
-		}
-	}
-	
-// ---------------------------------------------------------------------------
-// CVIMPSTEnginePresenceSubService::GetPreseceSubService
-// ---------------------------------------------------------------------------
-//
-MVIMPSTEnginePresenceSubService* CVIMPSTEngine::GetPreseceSubService()
-	{
-	TRACER_AUTO;
-	MVIMPSTEngineSubService* subService = SubService(TVIMPSTEnums::EPresence);
-	if (subService)
-		{
-		//Get Presence SubService     
-		MVIMPSTEnginePresenceSubService& presenceSubService = 
-									MVIMPSTEnginePresenceSubService::Cast(*subService);
-		return &presenceSubService ;
-		}
-	return NULL;	
-	}
-
-// ---------------------------------------------------------------------------
-// CVIMPSTEngine::FetchBlockedList
-// ---------------------------------------------------------------------------
-//
-void CVIMPSTEngine::FetchBlockedListL()
-	{
-	MVIMPSTEnginePresenceSubService* subService = GetPreseceSubService();
-	if( subService )
-		{
-		//fetch the blocked list from server
-		subService->FetchBlockedListFromServerL(iBlockListObs);
-		}
-	}
-
-// ---------------------------------------------------------------------------
-// CVIMPSTEngine::RegisterBlockedListObserver
-// ---------------------------------------------------------------------------
-//
-void CVIMPSTEngine::RegisterBlockedListObserver(
-				MVIMPSTEngineBlockedListFetchEventObserver* aOb)
-	{
-	iBlockListObs = aOb;
-	}
-
-// ---------------------------------------------------------------------------
-// CVIMPSTEngine::HandleChangeConnectionEventL
-// ---------------------------------------------------------------------------
-//
-void CVIMPSTEngine::HandleChangeConnectionEventL()
-    {
-	TRACER_AUTO;
-    MVIMPSTEngineSubService* subService = SubService(TVIMPSTEnums::EPresence);
-    if (subService)
-        {
-        //Get Presence SubService     
-        MVIMPSTEnginePresenceSubService& presenceSubService = 
-        MVIMPSTEnginePresenceSubService::Cast(*subService);
-        if (TVIMPSTEnums::ESVCERegistered == subService->SubServiceState() ||
-                TVIMPSTEnums::ESVCEUpdatingContacts == subService->SubServiceState() ) 
-            {
-            // Unsubscribe all lists here to get whole list contents when doing a new bind.
-           // Trap here to avoid unbind not being done if list operations should leave
-            TRAP_IGNORE( presenceSubService.UnsubscribeListsL() ); 
-            }           
-        }
-        
-    if( iSessionCntxtObserver )
-        {        
-        iSessionCntxtObserver->ServerUnBindL(ETrue); 
-        }
-    }
-
-// -------------------------------------------------------
-// CVIMPSTEngine :: IsUnInstalled
-// For Description see MVIMPSTEngine
-// -------------------------------------------------------
-//
-TBool CVIMPSTEngine::IsUnInstalled( )
-    {
-    return iUnInstall;
-    }
-//  End of File