/*

* 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:    SIMPLE Protocol implementation for Presence Framework

*

*/

#include <e32std.h>

#include <utf.h>

#include <personpresenceinfo.h>

#include <presenceinfo.h>

#include <presenceinfofieldcollection.h>

#include <presenceinfofield.h>

#include <presenceinfofieldvaluetext.h>

#include <presenceinfofieldvalueenum.h>

#include <presenceobjectfactory.h>

#include <presenceerrors.hrh>

#include <presentitygroupmemberinfo.h>

#include <protocolpresencedatahost.h>

#include <protocolpresentitygroupsdatahost.h>

#include <protocolpresencewatchingdatahost.h>

#include <ximpdatasubscriptionstate.h>

#include <ximperrors.hrh>

#include <ximpidentity.h>

#include <ximpobjectcollection.h>

#include <ximpobjectfactory.h>

#include <ximpprotocolconnectionhost.h>

#include <ximpstatus.h>

#include <simplefactory.h>

#include <simpleerrors.h>

#include <msimplewinfo.h>

#include <msimplewatcher.h>

#include <msimpledocument.h>

#include <msimpleelement.h>

#include "simpleplugincommon.h"

#include "simplepluginwatcher.h"

#include "simplepluginentitywatcher.h"

#include "simpleplugindebugutils.h"

#include "simpleutils.h"

#include "simplepluginxdmutils.h"

#include "simpleplugindata.h"

#include "simplepluginconnection.h"

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

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

// CSimplePluginWatcher::CSimplePluginWatcher

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

//

CSimplePluginWatcher::CSimplePluginWatcher(

    MSimplePluginSettings& aConnSets,

    MSimplePluginConnectionObs& aObs,

    MSimpleConnection& aConn )

: CActive( CActive::EPriorityStandard ),

  iConnSets( aConnSets), iConnObs(aObs), iConnection(aConn), iCompleted( ETrue ),

  iOperation( EPluginUndef ), iXdmState( EPluginIdle )

    {

    CActiveScheduler::Add( this );

    }

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

// CSimplePluginWatcher::ConstructL

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

//

void CSimplePluginWatcher::ConstructL( )

    {

    }

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

// CSimplePluginWatcher::NewL

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

//

CSimplePluginWatcher* CSimplePluginWatcher::NewL(

    MSimplePluginSettings& aConnSets,

    MSimplePluginConnectionObs& aObs,

    MSimpleConnection& aConn )

    {

    CSimplePluginWatcher* self =

        new( ELeave ) CSimplePluginWatcher( aConnSets, aObs, aConn );

    CleanupStack::PushL( self );

    self->ConstructL(  );

    CleanupStack::Pop( self );

    return self;

    }

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

// CSimplePluginWatcher::~CSimplePluginWatcher

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

//

CSimplePluginWatcher::~CSimplePluginWatcher()

    {

    iWatchers.ResetAndDestroy();

    iWatchers.Close();

    delete iPresIdentity;

    }

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

// CSimplePluginWatcher::DoSubscribePresentityPresenceL

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

//

void CSimplePluginWatcher::DoSubscribePresentityPresenceL(

    const MXIMPIdentity& aPresentityId,

    const MPresenceInfoFilter& /*aPif*/,   // notice: aPif filter not supported

    TXIMPRequestId aReqId )

    {

#ifdef _DEBUG

    PluginLogger::Log(_L("PluginWatcher: DoSubscribePresentityPresenceL"));

#endif

    TRAPD( err, DoDoSubscribePresentityPresenceL(aPresentityId, aReqId ));

    if ( err )

        {

        User::Leave( CSimplePluginConnection::HarmonizeErrorCode( err ));

        }

    }

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

// CSimplePluginWatcher::DoDoSubscribePresentityPresenceL

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

//

void CSimplePluginWatcher::DoDoSubscribePresentityPresenceL(

    const MXIMPIdentity& aPresentityId,

    TXIMPRequestId aReqId )

    {

    iOperation = EPluginUndef;

    iXdmState = EPluginIdle;

    SetPresIdentityL( aPresentityId );

    iPrFwId = aReqId;

    iCompleted = EFalse;

  HBufC8* pres8 = NULL;

    pres8 = CnvUtfConverter::ConvertFromUnicodeToUtf8L( iPresIdentity->Des() );

    CleanupStack::PushL( pres8 ); // << pres8

    CSimplePluginEntityWatcher* watcher = MatchWatcher2L( pres8->Des(), ETrue );

    watcher->StartSubscribeL( pres8->Des() );

    CleanupStack::PopAndDestroy( pres8 );  // >> pres8

    }

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

// CSimplePluginWatcher::DoUpdatePresentityPresenceSubscriptionPifL

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

//

void CSimplePluginWatcher::DoUpdatePresentityPresenceSubscriptionPifL(

    const MXIMPIdentity& /*aPresentityId*/,

    const MPresenceInfoFilter& /*aPif*/,

    TXIMPRequestId /*aReqId*/ )

    {

#ifdef _DEBUG

    PluginLogger::Log(

        _L("PluginWatcher: DoUpdatePresentityPresenceSubscriptionPifL"));

#endif

    iOperation = EPluginUndef;

    // notice: aPif filter not supported

    User::Leave( KErrNotSupported );

    }

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

// CSimplePluginWatcher::DoUnsubscribePresentityPresenceL

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

//

void CSimplePluginWatcher::DoUnsubscribePresentityPresenceL(

    const MXIMPIdentity& aPresentityId,

    TXIMPRequestId aReqId )

    {

#ifdef _DEBUG

    PluginLogger::Log(_L("PluginWatcher: DoUnsubscribePresentityPresenceL"));

#endif

    TRAPD( err, DoDoUnsubscribePresentityPresenceL( aPresentityId, aReqId ) );

    if ( err )

        {

        User::Leave( CSimplePluginConnection::HarmonizeErrorCode( err ));

        }

    }

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

// CSimplePluginWatcher::DoDoUnsubscribePresentityPresenceL

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

//

void CSimplePluginWatcher::DoDoUnsubscribePresentityPresenceL(

    const MXIMPIdentity& aPresentityId,

    TXIMPRequestId aReqId )

    {

    iOperation = EPluginUndef;

    iXdmState = EPluginIdle;

    SetPresIdentityL( aPresentityId );

    iPrFwId = aReqId;

    iCompleted = EFalse;

  HBufC8* pres8 = NULL;

    pres8 = CnvUtfConverter::ConvertFromUnicodeToUtf8L( iPresIdentity->Des() );

    CleanupStack::PushL( pres8 ); // << pres8

    CSimplePluginEntityWatcher* watcher = MatchWatcher2L( pres8->Des(), EFalse );

    if ( !watcher )

        {

        User::Leave( KErrNotFound ); // Notice: error code

        }

    else

        {

#ifdef _DEBUG

        PluginLogger::Log(_L("PluginWatcher: -> StopSubscribeL"));

#endif

        watcher->StopSubscribeL();

        }

    CleanupStack::PopAndDestroy( pres8 );  // >> pres8

    }

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

// CSimplePluginWatcher::DoSubscribePresentityGroupMembersPresenceL

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

//

void CSimplePluginWatcher::DoSubscribePresentityGroupMembersPresenceL(

    const MXIMPIdentity& aGroupId,

    const MPresenceInfoFilter& /*aPif*/,   // notice: aPif filter not supported

    TXIMPRequestId aReqId )

    {

#ifdef _DEBUG

    PluginLogger::Log(

        _L("PluginWatcher: DoSubscribePresentityGroupMembersPresenceL"));

#endif

    iOperation = EPluginSubscribeGroup;

    iXdmState = EPluginIdle;

    SetPresIdentityL( aGroupId );

    iPrFwId = aReqId;

    iCompleted = EFalse;

    // Get Shared XDM lists first and create RLS service first

    StartXdmOperationL();

    }

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

// CSimplePluginWatcher::DoUpdatePresentityGroupMembersPresenceSubscriptionPifL

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

//

void CSimplePluginWatcher::DoUpdatePresentityGroupMembersPresenceSubscriptionPifL(

    const MXIMPIdentity& /*aGroupId*/,

    const MPresenceInfoFilter& /*aPif*/,

    TXIMPRequestId /*aReqId*/ )

    {

#ifdef _DEBUG

    PluginLogger::Log(

  _L("PluginWatcher: DoUpdatePresentityGroupMembersPresenceSubscriptionPifL"));

#endif

    // notice: aPif filter not supported

    User::Leave( KErrNotSupported );

    }

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

// CSimplePluginWatcher::DoUnsubscribePresentityGroupMembersPresenceL

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

//

void CSimplePluginWatcher::DoUnsubscribePresentityGroupMembersPresenceL(

    const MXIMPIdentity& aGroupId,

    TXIMPRequestId aReqId )

    {

#ifdef _DEBUG

    PluginLogger::Log(

        _L("PluginWatcher: DoUnsubscribePresentityGroupMembersPresenceL"));

#endif

    TRAPD( err, DoDoUnsubscribePresentityGroupMembersPresenceL( aGroupId, aReqId ));

    if ( err )

        {

        User::Leave( CSimplePluginConnection::HarmonizeErrorCode( err ));

        }

    }

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

// CSimplePluginWatcher::DoDoUnsubscribePresentityGroupMembersPresenceL

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

//

void CSimplePluginWatcher::DoDoUnsubscribePresentityGroupMembersPresenceL(

    const MXIMPIdentity& aGroupId,

    TXIMPRequestId aReqId )

    {

    iOperation = EPluginUnsubscribeGroup;

    iXdmState = EPluginIdle;

    SetPresIdentityL( aGroupId );

    iPrFwId = aReqId;

    iCompleted = EFalse;

    HBufC* buf16 = iXdmUtils->RlsServiceByResourceListLC( iPresIdentity->Des() ); // << buf16

    HBufC8* buf = CnvUtfConverter::ConvertFromUnicodeToUtf8L( buf16->Des() );

    CleanupStack::PushL( buf );  // << buf

    CSimplePluginEntityWatcher* watcher = MatchWatcher2L( buf->Des(), EFalse );

    CleanupStack::PopAndDestroy( buf );  // >> buf

    CleanupStack::PopAndDestroy( buf16 );  // >> buf16

    if ( !watcher )

        {

        User::Leave( KErrNotFound ); // Notice: error code

        }

    else

        {

        watcher->StopSubscribeL();

        }

    }

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

// CSimplePluginWatcher::GetInterface

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

//

TAny* CSimplePluginWatcher::GetInterface(

        TInt32 aInterfaceId,

        TIfGetOps aOptions )

    {

    if ( aInterfaceId == GetInterfaceId() )

        {

        // caller wants this interface

        MProtocolPresenceWatching* myIf = this;

        return myIf;

        }

    if ( aOptions == MXIMPBase::EPanicIfUnknown )

        {

        User::Panic( _L("CSimplePlugin"), KErrExtensionNotSupported );

        }

    return NULL;

    }

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

// CSimplePluginWatcher::GetInterface

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

//

const TAny* CSimplePluginWatcher::GetInterface(

    TInt32 aInterfaceId,

    TIfGetOps aOptions ) const

    {

    if ( aInterfaceId == GetInterfaceId() )

        {

        // caller wants this interface

        const MProtocolPresenceWatching* myIf = this;

        return myIf;

        }

    if ( aOptions == MXIMPBase::EPanicIfUnknown )

        {

        User::Panic( _L("CSimplePlugin"), KErrExtensionNotSupported );

        }

    return NULL;

    }

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

// CSimplePluginWatcher::GetInterfaceId

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

//

TInt32 CSimplePluginWatcher::GetInterfaceId() const

    {

    return MProtocolPresenceWatching::KInterfaceId;

    }

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

// CSimplePluginWatcher::MatchWatcher2L

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

//

CSimplePluginEntityWatcher* CSimplePluginWatcher::MatchWatcher2L(

    const TDesC8& aPresentityid, TBool aCreate )

    {

    TInt count = iWatchers.Count();

    for ( TInt i = 0; i < count; i++ )

        {

        CSimplePluginEntityWatcher* temp = (iWatchers[i]);

        if ( !temp->PresentityId().CompareF( aPresentityid ))

            {

            return temp;

            }

        }

    // If watcher was not found, crete it when wanted so.

    if ( !aCreate )

        {

        return NULL;

        }

    else

        {

        CSimplePluginEntityWatcher* watcher = CSimplePluginEntityWatcher::NewL(

            iConnObs, iConnection, *this );

        iWatchers.Append( watcher );

        return watcher;

        }

    }

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

// CSimplePluginWatcher::DeleteWatcher

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

//

void CSimplePluginWatcher::DeleteWatcher(

    const TDesC8& aPresentityid )

    {

#ifdef _DEBUG

    PluginLogger::Log( _L("PluginWatcher: DeleteWatcher **"));

#endif

    TInt count = iWatchers.Count();

    for ( TInt i = 0; i < count; i++ )

        {

        CSimplePluginEntityWatcher* temp = (iWatchers[i]);

        if ( !temp->PresentityId().CompareF( aPresentityid ) )

            {

            iWatchers.Remove( i );

            iWatchers.GranularCompress();

            delete temp;

            break;

            }

        else

            {

            }

        }

    }

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

// CSimplePluginWatcher::GetEntitiesInListL

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

//

void CSimplePluginWatcher::GetEntitiesInListL(

    const TDesC& aList, MXIMPObjectCollection& aMembers )

    {

    __ASSERT_DEBUG( iXdmUtils, User::Leave( KErrCorrupt ) );

    const TInt KMyGran = 10;

    CPtrCArray* ids = new (ELeave) CPtrCArray( KMyGran );

    CleanupStack::PushL( ids );      // << ids

    CPtrCArray* dispNames = new (ELeave) CPtrCArray( KMyGran );

    CleanupStack::PushL( dispNames  );      // << dispNames

    iXdmUtils->GetEntitiesInListL( aList, *ids, *dispNames );

    CopyGroupMembersToCollectionL( *ids, *dispNames, aMembers );

    CleanupStack::PopAndDestroy( dispNames );

    CleanupStack::PopAndDestroy( ids );

    }

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

// CSimplePluginWatcher::StartWatchingRlsL

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

//

void CSimplePluginWatcher::StartWatchingRlsL()

    {

    HBufC* buf = iXdmUtils->RlsServiceByResourceListLC( iPresIdentity->Des() );  // << buf

    HBufC8* buf2 = NULL;

    buf2 = CnvUtfConverter::ConvertFromUnicodeToUtf8L( buf->Des() );

    CleanupStack::PushL( buf2 ); // << buf2

    CSimplePluginEntityWatcher* watcher = MatchWatcher2L( buf2->Des(), ETrue );

    watcher->StartSubscribeListL( buf2->Des() );

    watcher->SetSimpleNameL( buf2->Des() );

    CleanupStack::PopAndDestroy( buf2 );  // >> buf2

    CleanupStack::PopAndDestroy( buf );  // >> buf

    }

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

// CSimplePluginWatcher::SetPresIdentityL()

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

//

void CSimplePluginWatcher::SetPresIdentityL(

     const MXIMPIdentity& aPresentityId )

     {

     delete iPresIdentity;

     iPresIdentity = NULL;

     iPresIdentity = aPresentityId.Identity().AllocL();

     }

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

// CSimplePluginWatcher::CompletePrFwReq

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

//

void CSimplePluginWatcher::CompletePrFwReq( TInt aStatus )

    {

#ifdef _DEBUG

    PluginLogger::Log(_L("PluginWatcher: CompletePrFwReq status=%d"), aStatus );

#endif

    iXdmState = EPluginIdle;

    if ( !iCompleted )

        {

        iCompleted = ETrue;

        // Convert error code when needed

        if ( aStatus == KSimpleErrNotFound &&

             ( iOperation == EPluginSubscribeGroup ||

               iOperation == EPluginUnsubscribeGroup ))

            {

            aStatus = KPresenceErrUnknownPresentityGroup;

            }

        else if ( aStatus == KSimpleErrNotFound )

            {

            aStatus = KPresenceErrUnknownPresentity;

            }

        else

            {