/*

* Copyright (c) 2002-2005 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:  Manager for presence-list handling

 *               (Contact-list updater/ Attribute-list publisher ).

 *

*/

// INCLUDE FILES

#include "CCAPEngListObserver.h"

#include "ChatDebugPrint.h"

#include "CAPresenceDefinitions.h"

#include "CAPresenceUtils.h"

#include "CCAPresenceErrors.h"

#include "CAPresenceConst.h"

#include "CCAStorageManagerFactory.h"

#include "MCAStoredContacts.h"

#include "MCAStoredContact.h"

#include "MCAContactList.h"

#include "MCAPresenceUpdater.h"

#include <CPengPresenceNotifier2.h>

#include <CPEngContactListStore2.h>

#include <MPEngContactList2.h>

#include <MPEngContactListObserver2.h>

#include <MPEngContactListProperties.h>

#include <PEngWVPresenceAttributes2.h>

#include <CPEngContactListNotifier2.h>

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

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

// CCAPEngListObserver::CCAPEngListObserver

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CCAPEngListObserver::CCAPEngListObserver(

    CPEngPresenceNotifier2& aAttributeNotifier,

    RArray<TUint32>& aHandledAttributes,

    MCAPresenceUpdater& aUpdater )

        : iAttributeNotifier( aAttributeNotifier ),

        iAttributes( aHandledAttributes ),

        iPresenceUpdater( aUpdater )

    {

    CHAT_DP_FUNC_ENTER( "CCAPEngListObserver" );

    CHAT_DP_FUNC_DONE( "CCAPEngListObserver" );

    }

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

// CCAPEngListObserver::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CCAPEngListObserver::ConstructL( CPEngNWSessionSlotID2* aSessionSlotID )

    {

    CHAT_DP_FUNC_ENTER( "ConstructL" );

    iStoredContacts = CCAStorageManagerFactory::ContactListInterfaceL();

    iActiveListId = KNullDesC().AllocL();

    iPEngContactListNotifier =

        CPEngContactListNotifier2::NewL( *aSessionSlotID );

    iPEngContactListNotifier->AddObserver( *this );

    iContactListStore = CPEngContactListStore2::NewL( *aSessionSlotID );

    CHAT_DP_FUNC_DONE( "ConstructL" );

    }

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

// CCAPEngListObserver::NewL

// Two-phased constructor.

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

//

CCAPEngListObserver* CCAPEngListObserver::NewL(

    CPEngNWSessionSlotID2* aSessionSlotID,

    CPEngPresenceNotifier2& aAttributeNotifier,

    RArray<TUint32>& aHandledAttributes,

    MCAPresenceUpdater& aUpdater )

    {

    CHAT_DP_FUNC_ENTER( "NewL" );

    CCAPEngListObserver* self = new( ELeave ) CCAPEngListObserver(

        aAttributeNotifier,

        aHandledAttributes,

        aUpdater );

    CleanupStack::PushL( self );

    self->ConstructL( aSessionSlotID );

    CleanupStack::Pop( self );

    CHAT_DP_FUNC_DONE( "NewL" );

    return self;

    }

// Destructor

CCAPEngListObserver::~CCAPEngListObserver()

    {

    CHAT_DP_FUNC_ENTER( "~CCAPEngListObserver" );

    if ( iPEngContactListNotifier )

        {

        iPEngContactListNotifier->Stop();

        iPEngContactListNotifier->RemoveObserver( *this );

        }

    delete iContactListStore;

    delete iPEngContactListNotifier;

    delete iActiveListId;

    CHAT_DP_FUNC_DONE( "~CCAPEngListObserver" );

    }

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

// CCAPEngListObserver::SetActiveListIdL

// Setter for active contact list identifier

// (other items were commented in a header).

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

//

void CCAPEngListObserver::SetActiveListIdL( const TDesC& aListId )

    {

    CHAT_DP_FUNC_ENTER( "SetActiveListId" );

    HBufC* tmp = aListId.AllocL();

    delete iActiveListId;

    iActiveListId = tmp;

    // restart notifier

    iPEngContactListNotifier->Stop();

    iPEngContactListNotifier->Start( *iActiveListId );

    // this method is needed as we might move the getter to here also

    CHAT_DP_FUNC_DONE( "SetActiveListId" );

    }

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

// CCAPEngListObserver::SetListIdsL

// (other items were commented in a header).

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

//

void CCAPEngListObserver::SetListIds( const MDesCArray& aListIds )

    {

    // restart notifier

    iPEngContactListNotifier->Stop();

    iPEngContactListNotifier->Start( aListIds );

    }

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

// CCAPEngListObserver::ClearListNotifier

// (other items were commented in a header).

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

//

void CCAPEngListObserver::ClearListNotifier()

    {

    iPEngContactListNotifier->Stop();

    }

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

// CCAPEngListObserver::StartNotifier

// (other items were commented in a header).

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

//

void CCAPEngListObserver::StartNotifier( const TDesC& aListId )

    {

    iPEngContactListNotifier->Stop();

    iPEngContactListNotifier->Start( aListId );

    }

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

// CCAPEngListObserver::AddL

// (other items were commented in a header).

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

//

void CCAPEngListObserver::AddL( const TDesC& aListId )

    {

    if ( iPEngContactListNotifier->IsActive() )

        {

        TInt err = iPEngContactListNotifier->Add( aListId );

        if ( err != KErrAlreadyExists )

            {

            User::LeaveIfError( err );

            }

        }

    else

        {

        User::LeaveIfError( iPEngContactListNotifier->Start( aListId ) );

        }

    }

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

// CCAPEngListObserver::Remove

// (other items were commented in a header).

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

//

void CCAPEngListObserver::Remove( const TDesC& aListId )

    {

    iPEngContactListNotifier->Remove( aListId );

    }

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

// CCAPEngListObserver::HandleContactListChangeL

// (other items were commented in a header).

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

//

void CCAPEngListObserver::HandleContactListChangeL(

    CPEngContactListNotifier2& /*aNotifier*/,

    const TDesC& aContactListName  )

    {

    CHAT_DP_FUNC_ENTER( "HandleContactListChangeL" );

    MPEngContactList2& list =

        iContactListStore->ContactListL( aContactListName );

    // fetch list id and display name

    MPEngContactListProperties& prop = list.ListProperties();

    TPtrC id( aContactListName );

    TPtrC name( KNullDesC );

    prop.DisplayName( name );

    CHAT_DP( D_CHAT_LIT( "**listchange: %S [%S]" ), &id, &name );

    MCAContactList* storedList = iStoredContacts->FindContactList( id );

    if ( storedList )

        {

        // list found, update displayname if it's changed

        if ( name.Length() > 0 &&

             storedList->DisplayName().Compare( name ) != 0 )

            {

            storedList->SetDisplayNameL( name );

            }

        }

    else

        {

        // list not found, nothing to update

        return;

        }

    // check removed contacts

    const MDesCArray& removed = list.RemovedContacts();

    TInt removeCount( removed.MdcaCount() );

    CHAT_DP( D_CHAT_LIT( "removed wvids count %d" ), removeCount );

    for ( TInt i( 0 ); i < removeCount; ++i )

        {

        TPtrC id( removed.MdcaPoint( i ) );

        CHAT_DP( D_CHAT_LIT( "HandleContactListChangeL - removed id %S" ), &id );

        iStoredContacts->RemoveContact( aContactListName, id );

        // remove from attribute notifier

        iAttributeNotifier.Remove( id );

        }

    // check added contacts

    const MDesCArray& added = list.AddedContacts();

    TInt addCount( added.MdcaCount() );

    CHAT_DP( D_CHAT_LIT( "added wvids count %d" ), addCount );

    for ( TInt ii( 0 ); ii < addCount; ++ii )

        {

        TInt i( list.FindContact( added.MdcaPoint( ii ) ) );

        // might be already removed

        if ( i != KErrNotFound )

            {

            const MPEngContactItem& contact = list.ContactItem( i );

            TPtrC id( contact.Id() );

            TPtrC nick( contact.NickName() );

            CHAT_DP( D_CHAT_LIT( "HandleContactListChangeL - contact id %S, \

                                  nick %S" ), &id, &nick );

            // add to attribute notifier

            TInt err = iAttributeNotifier.Add( id, iAttributes.Array() );

            // updates existing contact or creates new

            iStoredContacts->CreateContactL( aContactListName, nick, id );

            // make sure to update the presence

            iPresenceUpdater.UpdatePresenceL( id );

            // leave with error.

            // Ignore inactive notifier (manual refresh mode)

            User::LeaveIfError( err == KErrNotReady ? KErrNone : err );

            }

        }

    CHAT_DP_FUNC_DONE( "HandleContactListChangeL" );

    }

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

// CCAPEngListObserver::HandleContactListError

// (other items were commented in a header).

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

//

void CCAPEngListObserver::HandleContactListError( TInt aError,

                                                  CPEngContactListNotifier2& /*aNotifier*/ )

    {

    // ignored

    CHAT_DP_FUNC_ENTER( "HandleContactListNotifyError" );

    // but print some debug information

    CHAT_DP( D_CHAT_LIT( "CCAPEngListObserver::HandleContactListNotifyError - \

                          Got error %d" ), aError );

    CHAT_DP_FUNC_DONE( "HandleContactListNotifyError" );

    }

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

// CCAPEngListObserver::SkipStorageRemoval

// (other items were commented in a header).

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

//

void CCAPEngListObserver::SkipStorageRemoval()

    {

    iSkipRemoval = ETrue;

    }

//  End of File