/*

* Copyright (c) 2006 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: implementation of COperationSubscribePresentityGroupMembersPresence

 *

*/

#include <ximpprotocolconnection.h>

#include <protocolpresencewatching.h>

#include <protocolpresencefeatures.h>

#include "operationsubscribepresentitygroupmemberspresence.h"

#include "presenceinfofilterimp.h"

#include "ximpidentityimp.h"

#include "ximpobjecthelpers.h"

#include "presencedatacacheimp.h"

#include "documentutils.h"

#include "ximprestrictedobjectcollectionimp.h"

#include "operationsynthesisesubscriptionevent.h"

#include "ximphost.h"

#include "ximpstatusimp.h"

#include "ximppsccontextimp.h"

#include "ximppanics.h"

#include "protocolpresencedatahostimp.h"

#include "ximptrace.h"

// ============================ MEMBER FUNCTIONS =============================

// ---------------------------------------------------------------------------

// COperationSubscribePresentityGroupMembersPresence::COperationSubscribePresentityGroupMembersPresence()

// ---------------------------------------------------------------------------

//

EXPORT_C COperationSubscribePresentityGroupMembersPresence::COperationSubscribePresentityGroupMembersPresence()

    {

    }

// ---------------------------------------------------------------------------

// COperationSubscribePresentityGroupMembersPresence::~COperationSubscribePresentityGroupMembersPresence()

// ---------------------------------------------------------------------------

//

COperationSubscribePresentityGroupMembersPresence::~COperationSubscribePresentityGroupMembersPresence()

    {

    delete iMergedPif;

    delete iPif;

    delete iGroupId;

    if( iSubItem )

        {

        iSubItem->Close();

        }

    }

// ---------------------------------------------------------------------------

// COperationSubscribePresentityGroupMembersPresence::ConstructL()

// ---------------------------------------------------------------------------

//

void COperationSubscribePresentityGroupMembersPresence::ConstructL( const TDesC8& aParamPck )

    {

    RXIMPObjOwningPtrArray< HBufC8 > packArray;

    CleanupClosePushL( packArray );

    TXIMPHBuf8Packer::UnPackArrayL( packArray, aParamPck );

    iGroupId = CXIMPIdentityImp::NewLC();

    CleanupStack::Pop( iGroupId );

    TXIMPObjectPacker< CXIMPIdentityImp >::UnPackL( *iGroupId, *( packArray[ 0 ] ) );

    iPif = CPresenceInfoFilterImp::NewLC();

    CleanupStack::Pop( iPif );

    TXIMPObjectPacker< CPresenceInfoFilterImp >::UnPackL( *iPif, *( packArray[ 1 ] ) );

    CleanupStack::PopAndDestroy(); // packArray    

    }

// ---------------------------------------------------------------------------

// COperationSubscribePresentityGroupMembersPresence::ProcessL()

// ---------------------------------------------------------------------------

//

void COperationSubscribePresentityGroupMembersPresence::ProcessL()

    {

    TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() - begin" ) );

    CXIMPOperationBase::ProcessL();

    CPresentityGroupMembersPresenceSubscriptionItem& subItem =  

                iMyHost->PresenceDataAccess().PresenceDataCache().PresentityGroupMembersPresenceSubscriptionItemLC( *iGroupId );

    CleanupStack::Pop(); // subItem

    iSubItem = &subItem;

    // Get the subscription status

    // Notice that if there is more than one client and clients are using identity

    // which will alternate for request complete, this will affect wrong logic mapping

    // for subscription operation. 

    // For example: Client 1 is subscription "name" and server alters it to name@domain.com

    // Client 2 subscribes with "name" and it will get subscription status ENotSubscribedAtAll

    // when it should get ESubscribedForOtherCtxOnly.

    iSubscriptionStatus = iSubItem->SubscriptionStatus( iContext );

    MProtocolPresenceWatching& watching = iMyHost->GetConnection().ProtocolPresenceFeatures().PresenceWatching();

    TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() - start action" ) );

    switch( iSubscriptionStatus )

        {

        case CPresentityGroupMembersPresenceSubscriptionItem::ENotSubscribedAtAll:

            {

            TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() - case CPresentityGroupMembersPresenceSubscriptionItem::ENotSubscribedAtAll" ) );

            iMergedPif = TXIMPObjectCloner< CPresenceInfoFilterImp >::CloneL( *iPif );

            watching.DoSubscribePresentityGroupMembersPresenceL( *iGroupId,

                                                                   *iMergedPif,

                                                                   iReqId );

            break;

            }

        case CPresentityGroupMembersPresenceSubscriptionItem::ESubscribedForOtherCtxOnly:

            {

            TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() - case CPresentityGroupMembersPresenceSubscriptionItem::ESubscribedForOtherCtxOnly" ) );

            // Aggregate subscription and context pifs

            // Check aggregate and if needed.. update subscription

            iMergedPif = DocumentUtils::InfoFilterUnionL( iSubItem->SubscriptionPif(), *iPif );

            if( iMergedPif->Contains( iSubItem->SubscriptionPif() ) )

                {

                TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() -  if( iMergedPif->Contains( iSubItem->SubscriptionPif() ) ) " ) );                            

                watching.DoUpdatePresentityGroupMembersPresenceSubscriptionPifL( *iGroupId, 

                                                                                *iMergedPif, 

                                                                                iReqId );

                }

            else

                {

                TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() - iMyHost->FakeCompleteRequest" ) );                            

                iMyHost->FakeCompleteRequest( iReqId, KErrNone );

                }

            break;

            }

        case CPresentityGroupMembersPresenceSubscriptionItem::ESubscribedForCtxOnly:

        case CPresentityGroupMembersPresenceSubscriptionItem::ESubscribedForCtxAndOthers:

            {

            TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() - case CPresentityGroupMembersPresenceSubscriptionItem::ESubscribedForCtxOnly and ESubscribedForCtxAndOthers" ) );

            CPresenceInfoFilterImp* oldPif = 

                    iContext->PresenceInfoFilter( MXIMPPscContext::EPresentityGroupMemberPresenceFilter, iGroupId );

            CPresenceInfoFilterImp& oldMergedPif = iSubItem->SubscriptionPif();

            TBool makeUnion( EFalse );

            if( !oldPif )

                {

                TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() no old pif" ) );

                makeUnion = ETrue;

                }

            else if ( *oldPif != *iPif ) 

                {

                makeUnion = ETrue;

                }

            if( makeUnion )

                {

                TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() - if( *oldPif != *iPif )" ) );                            

                iDoNotForce = ETrue;

                CPresenceInfoFilterImp* withoutPif = 

                            iSubItem->CollectSubscriptionPifWithoutCtxL( iContext );

                iMergedPif = DocumentUtils::InfoFilterUnionL( *withoutPif, *iPif );

                }

            else

                {

                TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() -  iMergedPif = TXIMPObjectCloner< CPresenceInfoFilterImp >::CloneL( oldMergedPif );" ) );                            

                iMergedPif = TXIMPObjectCloner< CPresenceInfoFilterImp >::CloneL( oldMergedPif );

                }

            if( iMergedPif->Contains( oldMergedPif ) )

                {

                TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() -  if( iMergedPif->Contains( oldMergedPif ) )" ) );                            

                iDoNotForce = ETrue;

                watching.DoUpdatePresentityGroupMembersPresenceSubscriptionPifL( *iGroupId, *iMergedPif, iReqId );

                }

            else

                {

                TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() -  iMyHost->FakeCompleteRequest( iReqId, KErrNone );" ) );                            

                iMyHost->FakeCompleteRequest( iReqId, KErrNone );

                }

            break;

            }

        XIMP_DEFAULT_CASE_UNSUPPORTED( NXIMPPrivPanic::EInvalidSubscriptionStatus );            

        }

    TRACE(_L("COperationSubscribePresentityGroupMembersPresence::ProcessL() - end" ) );

    }

// ---------------------------------------------------------------------------

// COperationSubscribePresentityGroupMembersPresence::RequestCompletedL()

// ---------------------------------------------------------------------------

//

void COperationSubscribePresentityGroupMembersPresence::RequestCompletedL()

    {

    TRACE(_L("COperationSubscribePresentityGroupMembersPresence::RequestCompletedL() - begin" ) );

    CXIMPOperationBase::RequestCompletedL();

    TRACE(_L("COperationSubscribePresentityGroupMembersPresence::RequestCompletedL() : after CXIMPOperationBase::RequestCompletedL" ) );

    if( iStatusObj->ResultCode() == KErrNone )

        {

        TRACE(_L("COperationSubscribePresentityGroupMembersPresence::RequestCompletedL() : iStatusObj->ResultCode() == KErrNone " ) );

        if( iSubscriptionStatus == 

                    CPresentityGroupMembersPresenceSubscriptionItem::ENotSubscribedAtAll )

            {

            TRACE(_L("COperationSubscribePresentityGroupMembersPresence::RequestCompletedL() : iSubscriptionStatus == ENotSubscribedAtAll " ) );

            MXIMPBase* object = NULL; 

            iObjCollection->GetByType( object, MXIMPIdentity::KInterfaceId );

            if( object )

                {

                TRACE(_L("COperationSubscribePresentityGroupMembersPresence::RequestCompletedL got altered identity()"));

                delete iGroupId;

                iGroupId = TXIMPGetImpClassOrPanic< CXIMPIdentityImp >::From( *object );

                // Got altered identity. If it differs from original

                // we'll create a new subscription item and close the old.

                CPresentityGroupMembersPresenceSubscriptionItem& altSubItem = 

                    iMyHost->PresenceDataAccess().PresenceDataCache().PresentityGroupMembersPresenceSubscriptionItemLC( *iGroupId );

                iSubItem->Close();

                iSubItem = &altSubItem;

                CleanupStack::Pop(); // altSubItem                    

                }            

            }

        TRACE(_L("COperationSubscribePresentityGroupMembersPresence::RequestCompletedL() : before iSubItem->AddSubscriberL"));            

        TRACE_1(_L(" iSubscriptionStatus = %d" ), (TInt)iSubscriptionStatus );  

        if( iSubscriptionStatus == 

                    CPresentityGroupMembersPresenceSubscriptionItem::ENotSubscribedAtAll ||

            iSubscriptionStatus == 

                    CPresentityGroupMembersPresenceSubscriptionItem::ESubscribedForOtherCtxOnly )

            {

            iSubItem->AddSubscriberL( iContext );        

            TRACE(_L("COperationSubscribePresentityGroupMembersPresence::RequestCompletedL():  iSubItem->AddSubscriberL( iContext ) called:  " ) );     

            }

        iContext->SetPresenceInfoFilterL( MXIMPPscContext::EPresentityGroupMemberPresenceFilter,

                iPif, iGroupId );

        iPif = NULL;

        iSubItem->SetSubscriptionPif( iMergedPif );

        iMergedPif = NULL;

        SynthesiseEventL();

        }

    TRACE(_L("COperationSubscribePresentityGroupMembersPresence::RequestCompletedL():  end " ) );        

    }

// ---------------------------------------------------------------------------

// COperationSubscribePresentityGroupMembersPresence::Type()

// ---------------------------------------------------------------------------

//

TInt

    COperationSubscribePresentityGroupMembersPresence::Type() const

    {

    return NPresenceOps::EPrSubscribePresentityGroupMembersPresence;

    }

// ---------------------------------------------------------------------------

// COperationSubscribePresentityGroupMembersPresence::SynthesiseEventL()

// ---------------------------------------------------------------------------

//

void COperationSubscribePresentityGroupMembersPresence::SynthesiseEventL()

    {

    TBool force = 

    ( iSubscriptionStatus == CPresentityGroupMembersPresenceSubscriptionItem::ESubscribedForCtxOnly ||

      iSubscriptionStatus == CPresentityGroupMembersPresenceSubscriptionItem::ESubscribedForCtxAndOthers ) ? ETrue : EFalse;

    TRACE_1(_L("COperationSubscribePresentityGroupMembersPresence::SynthesiseEventL - force=%d" ) , force);

    COperationSynthesiseSubscriptionEvent* synthOp =

        new ( ELeave ) COperationSynthesiseSubscriptionEvent(

            COperationSynthesiseSubscriptionEvent::EPresentityGroupMembersPresence, force && !iDoNotForce );

    CleanupStack::PushL( synthOp );    

    synthOp->BaseConstructL( TXIMPRequestId(), iContext );

    synthOp->ConstructL( *iGroupId );

    iMyHost->AddNewOperationL( *synthOp );

    CleanupStack::Pop( synthOp );    

    }

// End of file