/*

* 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 COperationSubscribePresentityPresence

 *

*/

#include <ximpprotocolconnection.h>

#include <protocolpresencewatching.h>

#include <protocolpresencefeatures.h>

#include "operationsubscribepresentitypresence.h"

#include "presenceinfofilterimp.h"

#include "ximpidentityimp.h"

#include "ximpobjecthelpers.h"

#include "documentutils.h"

#include "presencedatacacheimp.h"

#include "ximppanics.h"

#include "operationsynthesisesubscriptionevent.h"

#include "ximprestrictedobjectcollectionimp.h"

#include "ximphost.h"

#include "ximpstatusimp.h"

#include "ximppsccontextimp.h"

#include "protocolpresencedatahostimp.h"

#include "ximptrace.h"

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

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

// COperationSubscribePresentityPresence::COperationSubscribePresentityPresence()

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

//

EXPORT_C COperationSubscribePresentityPresence::COperationSubscribePresentityPresence()

    {

    }

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

// COperationSubscribePresentityPresence::~COperationSubscribePresentityPresence()

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

//

COperationSubscribePresentityPresence::~COperationSubscribePresentityPresence()

    {

    delete iPif;

    delete iMergedPif;

    delete iIdentity;

    if( iSubItem )

        {

        iSubItem->Close();

        }

    }

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

// COperationSubscribePresentityPresence::ConstructL()

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

//

void COperationSubscribePresentityPresence::ConstructL( const TDesC8& aParamPck )

    {

    RXIMPObjOwningPtrArray< HBufC8 > packArray;

    CleanupClosePushL( packArray );

    TXIMPHBuf8Packer::UnPackArrayL( packArray, aParamPck );

    iIdentity = CXIMPIdentityImp::NewLC();

    CleanupStack::Pop( iIdentity );

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

    iPif = CPresenceInfoFilterImp::NewLC();

    CleanupStack::Pop( iPif );

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

    CleanupStack::PopAndDestroy(); // packArray

    }

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

// COperationSubscribePresentityPresence::ProcessL()

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

//

void COperationSubscribePresentityPresence::ProcessL()

    {

    TRACE(_L("COperationSubscribePresentityPresence::ProcessL()" ) );

    CXIMPOperationBase::ProcessL();

    // MatchAddressTo( subscriptions, iIdentity )

    CPresentityPresenceSubscriptionItem& subItem =

                iMyHost->PresenceDataAccess().PresenceDataCache().PresentityPresenceSubscriptionItemLC( *iIdentity );

    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();

    switch( iSubscriptionStatus )

        {

        case CPresentityPresenceSubscriptionItem::ENotSubscribedAtAll:

            {

            TRACE(_L("COperationSubscribePresentityPresence::ProcessL() not subscribed" ) );

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

            // If this leaves, subscription is not created

            watching.DoSubscribePresentityPresenceL( iSubItem->Identity(),

                    *iMergedPif,

                    iReqId );

            break;

            }

        case CPresentityPresenceSubscriptionItem::ESubscribedForOtherCtxOnly:

            {

            TRACE(_L("COperationSubscribePresentityPresence::ProcessL() subscribed for other ctx" ) );

            // 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("COperationSubscribePresentityPresence::ProcessL() DoUpdatePresentityPresenceSubscriptionPifL 1" ) );

                // If this leaves, subscription is not created

                watching.DoUpdatePresentityPresenceSubscriptionPifL( *iIdentity, *iMergedPif, iReqId );

                }

            else

                {

                TRACE(_L("COperationSubscribePresentityPresence::ProcessL() FakeCompleteRequest" ) );

                iMyHost->FakeCompleteRequest( iReqId, KErrNone );

                }

            break;

            }

        case CPresentityPresenceSubscriptionItem::ESubscribedForCtxOnly:

        case CPresentityPresenceSubscriptionItem::ESubscribedForCtxAndOthers:

            {

            TRACE(_L("COperationSubscribePresentityPresence::ProcessL() subscribed" ) );

            CPresenceInfoFilterImp* oldPif = 

                    iContext->PresenceInfoFilter( MXIMPPscContext::EPresentityPresenceFilter, iIdentity );

            CPresenceInfoFilterImp& oldMergedPif = iSubItem->SubscriptionPif();

            TBool fake( ETrue );

            TBool makeUnion( EFalse );

            if( !oldPif )

                {

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

                makeUnion = ETrue;

                }

            else if ( *oldPif != *iPif ) 

                {

                makeUnion = ETrue;

                }

            if( makeUnion )

                {

                iDoNotForce = ETrue;

                CPresenceInfoFilterImp* withoutPif = 

                            iSubItem->CollectSubscriptionPifWithoutCtxL( iContext );

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

                if( iMergedPif->Contains( oldMergedPif ) )

                    {

                    fake = EFalse;

                    TRACE(_L("COperationSubscribePresentityPresence::ProcessL() DoUpdatePresentityPresenceSubscriptionPifL 2" ) );

                    watching.DoUpdatePresentityPresenceSubscriptionPifL( *iIdentity, *iMergedPif, iReqId );

                    }

                }

            else

                {

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

                }

            if( fake )

                {

                TRACE(_L("COperationSubscribePresentityPresence::ProcessL() FakeCompleteRequest" ) );

                iMyHost->FakeCompleteRequest( iReqId, KErrNone );

                }

            break;

            }

        XIMP_DEFAULT_CASE_UNSUPPORTED( NXIMPPrivPanic::EInvalidSubscriptionStatus );

        }

    }

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

// COperationSubscribePresentityPresence::RequestCompletedL()

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

//

void COperationSubscribePresentityPresence::RequestCompletedL()

    {

    TRACE(_L("COperationSubscribePresentityPresence::RequestCompletedL()" ) );

    CXIMPOperationBase::RequestCompletedL();

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

        {

        if( iSubscriptionStatus == CPresentityPresenceSubscriptionItem::ENotSubscribedAtAll )

            {

            TRACE(_L("COperationSubscribePresentityPresence::RequestCompletedL() ENotSubscribedAtAll" ) );

            MXIMPBase* object = NULL; 

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

            if( object )

                {

                TRACE(_L("COperationSubscribePresentityPresence::RequestCompletedL() identity change" ) );

                delete iIdentity;

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

                // Got altered identity. If it differs from original

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

                CPresentityPresenceSubscriptionItem& altSubItem = 

                    iMyHost->PresenceDataAccess().PresenceDataCache().PresentityPresenceSubscriptionItemLC( *iIdentity );

                iSubItem->Close();

                iSubItem = &altSubItem;

                CleanupStack::Pop(); // altSubItem                    

                }            

            }

        if( iSubscriptionStatus == CPresentityPresenceSubscriptionItem::ENotSubscribedAtAll ||

            iSubscriptionStatus == CPresentityPresenceSubscriptionItem::ESubscribedForOtherCtxOnly )

            {

            TRACE(_L("COperationSubscribePresentityPresence::RequestCompletedL() calling iSubItem->AddSubscriberL" ) );

            TInt error ( KErrNone );

            TRAP( error, iSubItem->AddSubscriberL( iContext ) );

            TRACE_1( _L("COperationSubscribePresentityPresence::RequestCompletedL():  iSubItem->AddSubscriberL : error =%d"), error );

            }

        iContext->SetPresenceInfoFilterL( MXIMPPscContext::EPresentityPresenceFilter,

                iPif, iIdentity );

        iPif = NULL;

        iSubItem->SetSubscriptionPif( iMergedPif );

        iMergedPif = NULL;

        SynthesiseEventL();

        }

    }

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

// COperationSubscribePresentityPresence::Type()

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

//

TInt

    COperationSubscribePresentityPresence::Type() const

    {

    return NPresenceOps::EPrSubscribePresentityPresence;

    }

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

// COperationSubscribePresentityPresence::SynthesiseEventL()

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

//

void COperationSubscribePresentityPresence::SynthesiseEventL()

    {

    TBool force =

    ( iSubscriptionStatus == CPresentityPresenceSubscriptionItem::ESubscribedForCtxOnly ||

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

    COperationSynthesiseSubscriptionEvent* synthOp =

            new ( ELeave ) COperationSynthesiseSubscriptionEvent(

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

    CleanupStack::PushL( synthOp );

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

    synthOp->ConstructL( *iIdentity );

    iMyHost->AddNewOperationL( *synthOp );

    CleanupStack::Pop( synthOp );

    }

// End of file