/*

* Copyright (c) 2007-2007 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:  Wrapper for CMS contact fetching

*

*/

#include "ccapputilheaders.h"

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

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

// CCCAppCmsContactFetcherWrapper::CCCAppCmsContactFetcherWrapper

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

//

CCCAppCmsContactFetcherWrapper::CCCAppCmsContactFetcherWrapper( 

    CCCAParameter* aParameter, TWrapperParam aWrapperParam ):

    CActive( EPriorityStandard ),

    iParameter( aParameter ),

    iHandlerState( EInitial ),

    iErrorsOccured( KErrNone ),

    iRefCount( 1 ),

    iWrapperParam( aWrapperParam )

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("CCCAppCmsContactFetcherWrapper()"));

    CActiveScheduler::Add( this );

    }

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

// CCCAppCmsContactFetcherWrapper::~CCCAppCmsContactFetcherWrapper

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

//

CCCAppCmsContactFetcherWrapper::~CCCAppCmsContactFetcherWrapper()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("~CCCAppCmsContactFetcherWrapper()"));

    Cancel();

    iCmsContactDataFetcher.Close();

    iCmsSession.Close();

    iContactFieldsArray.ResetAndDestroy();

    iContactFieldsArray.Close();

    iObservers.Close();

    delete iContactInfo;

    //iParameter, iObservers taken care elsewhere

    }

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

// CCCAppCmsContactFetcherWrapper::Release()

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

//

EXPORT_C void CCCAppCmsContactFetcherWrapper::Release()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::Release"));

    TAny* tlsPtr = Dll::Tls();

    CCCAppCmsContactFetcherWrapper* self = static_cast<CCCAppCmsContactFetcherWrapper*>( tlsPtr );

    if ( 0 == --self->iRefCount )

        {

        CCA_DP(KCCAppUtilLogFile, CCA_L("::Release - last instance, will be deleted"));

        Dll::FreeTls();

        delete self;

        }

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::Release"));

    }

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

// CCCAppCmsContactFetcherWrapper::CreateInstanceL

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

//

EXPORT_C CCCAppCmsContactFetcherWrapper* CCCAppCmsContactFetcherWrapper::CreateInstanceL(

    CCCAParameter* aParameter, TWrapperParam aWrapperParam )

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::CreateInstanceL"));

    CCCAppCmsContactFetcherWrapper* self = NULL;

    TAny* tlsPtr = Dll::Tls();

    if ( NULL == tlsPtr )

        {

        CCA_DP(KCCAppUtilLogFile, CCA_L("::CreateInstanceL - not found, create new"));

        self = new( ELeave ) CCCAppCmsContactFetcherWrapper( aParameter, aWrapperParam );

        CleanupStack::PushL( self );

        self->ConstructL( );

        User::LeaveIfError( Dll::SetTls( self ) );

        CleanupStack::Pop( self );

        }

    else

        {

        CCA_DP(KCCAppUtilLogFile, CCA_L("::CreateInstanceL - already existing"));

        User::Leave( KErrAlreadyExists );

        }

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::CreateInstanceL"));

    return self;

    }

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

// CCCAppCmsContactFetcherWrapper::ConstructL

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

//

void CCCAppCmsContactFetcherWrapper::ConstructL()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::ConstructL()"));

    // problem can either be with connecting to CMS or with opening the contact

    iErrorsOccured = err;

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::ConstructL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::InstanceL

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

//  

EXPORT_C CCCAppCmsContactFetcherWrapper* CCCAppCmsContactFetcherWrapper::InstanceL()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::InstanceL()"));

    CCCAppCmsContactFetcherWrapper* self = NULL;

    TAny* tlsPtr = Dll::Tls();

    if ( NULL == tlsPtr )

        {

        CCA_DP(KCCAppUtilLogFile, CCA_L("::HandleL() - singleton not created yet!"));

        User::Leave( KErrNotFound );

        }

    else

        {

        self = static_cast<CCCAppCmsContactFetcherWrapper*>( tlsPtr );

        ++self->iRefCount;

        }

    CCA_DP(KCCAppUtilLogFile, CCA_L("::InstanceL - iRefCount: %d"), self->iRefCount );

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::InstanceL()"));

    return self;

    }

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

// CCCAppCmsContactFetcherWrapper::StartFetcherL

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

//

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::StartFetcherL()"));

    User::LeaveIfError( iCmsSession.Connect() );

    OpenContactL();

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::StartFetcherL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::StartAsyncFetchingL

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

//

void CCCAppCmsContactFetcherWrapper::StartAsyncFetchingL()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::StartAsyncFetchingL()"));

    if ( iWrapperParam & EFindContactFromOtherStores )

        FindFromOtherStoresL();

    else

        FetchContactInfoL();

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::StartAsyncFetchingL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::AddObserverL

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

//  

EXPORT_C void CCCAppCmsContactFetcherWrapper::AddObserverL( 

    MCCAppContactFieldDataObserver& aObserver )

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::AddObserverL()"));

    const TInt index = iObservers.Find( &aObserver );

    if ( KErrNotFound == index )

        {

        iObservers.AppendL( &aObserver );

        }

    if ( iErrorsOccured )

        {// errors happened already

        aObserver.ContactFieldDataObserverHandleErrorL( 

            iHandlerState, iErrorsOccured );

        }

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::AddObserverL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::RemoveObserver

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

//  

EXPORT_C void CCCAppCmsContactFetcherWrapper::RemoveObserver(

    MCCAppContactFieldDataObserver& aObserver )

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::RemoveObserverL()"));

    CCA_DP(KCCAppUtilLogFile, CCA_L("::RemoveObserverL - amount of observers: %d"), iObservers.Count() );

    const TInt index = iObservers.Find( &aObserver );

    if ( KErrNotFound != index )

        {

        iObservers.Remove( index );

        CCA_DP( KCCAppUtilLogFile, CCA_L("::RemoveObserverL - observer found & removed: %d"), index );

        }

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::RemoveObserverL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::IsServiceAvailable

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

// 

EXPORT_C TInt CCCAppCmsContactFetcherWrapper::IsServiceAvailable(

    VPbkFieldTypeSelectorFactory::TVPbkContactActionTypeSelector aContactAction )

    {

    return iCmsContactDataFetcher.IsServiceAvailable( aContactAction );

    }

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

// CCCAppCmsContactFetcherWrapper::ContactStore

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

// 

EXPORT_C TCmsContactStore CCCAppCmsContactFetcherWrapper::ContactStore() const

    {

    return iCmsContactDataFetcher.ContactStore();

    }

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

// CCCAppCmsContactFetcherWrapper::GetContactActionFieldCount

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

// 

EXPORT_C TInt CCCAppCmsContactFetcherWrapper::GetContactActionFieldCount(

        VPbkFieldTypeSelectorFactory::TVPbkContactActionTypeSelector aContactAction)

    {

    return iCmsContactDataFetcher.GetContactActionFieldCount(aContactAction);

    }

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

// CCCAppCmsContactFetcherWrapper::OpenContactL

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

//

void CCCAppCmsContactFetcherWrapper::OpenContactL()

    {                    

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::OpenContactL()"));

    iHandlerState = EOpeningContact;

    switch( iParameter->ContactDataFlag())

        {

        case MCCAParameter::EContactId:

            {

            CCA_DP(KCCAppUtilLogFile, CCA_L("::OpenContactL() EContactId"));

            User::LeaveIfError( iCmsContactDataFetcher.Open(

                iCmsSession, iParameter->ContactIdL()));

            }

            break;

        case MCCAParameter::EContactLink:

            {

            CCA_DP(KCCAppUtilLogFile, CCA_L("::OpenContactL() EContactLink"));

            HBufC8* contactlink = iParameter->ContactLinkL();

            CleanupStack::PushL( contactlink );

            User::LeaveIfError( iCmsContactDataFetcher.Open( 

                iCmsSession, *contactlink));

            CleanupStack::PopAndDestroy( contactlink );            

            }

            break;

        case MCCAParameter::EContactMSISDN:

            {

            CCA_DP(KCCAppUtilLogFile, CCA_L("::OpenContactL() EContactMSISDN"));

            User::LeaveIfError( iCmsContactDataFetcher.Open( 

                iCmsSession, iParameter->ContactDataL()));                                    

            }

            break;

        //case MCCAParameter::EContactEmail:// fallthrough

        default:

            {

            CCA_DP(KCCAppUtilLogFile, CCA_L("::OpenContactL() unknown type, will leave.."));

            User::Leave( KErrNotSupported );

            }

            break;

        }

    iCmsContactDataFetcher.OrderNotificationsL(this, CCmsContactFieldItem::ECmsPhonebookNotification);

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::OpenContactL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::RunL

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

//

void CCCAppCmsContactFetcherWrapper::RunL()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::RunL()"));

    CCA_DP(KCCAppUtilLogFile, CCA_L("::RunL: iStatus: %d"), iStatus.Int() );

    switch( iHandlerState )

        {

        case EFindingFromOtherStores:

            {

            CCA_DP(KCCAppUtilLogFile, CCA_L("::RunL() iHandlerState == EFindingFromOtherStores"));

            FetchContactInfoL();

            CCA_DP(KCCAppUtilLogFile, CCA_L("::RunL() EFindingFromOtherStores completed"));

            }

            break;        

        case ELoadingEnabledFields:

            {

            CCA_DP(KCCAppUtilLogFile, CCA_L("::RunL() iHandlerState == ELoadingEnabledFields"));

            HandleContactInfoUpdateL();

            CCA_DP(KCCAppUtilLogFile, CCA_L("::RunL() ELoadingEnabledFields completed"));

            }

            break;

        case ELoadingFields:

            {

            CCA_DP(KCCAppUtilLogFile, CCA_L("::RunL() iHandlerState == ELoadingField"));

            HandleContactDataFieldUpdateL();

            CCA_DP(KCCAppUtilLogFile, CCA_L("::RunL() ELoadingField completed"));

            }

            break;

        default:

            {

            // error situation - should not come here

            CCA_DP(KCCAppUtilLogFile, CCA_L("::RunL() iHandlerState not found, will leave.."));

            // error notification done in RunError

            User::Leave( KErrGeneral );

            }

            break;

        }

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::RunL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::RunError

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

//

TInt CCCAppCmsContactFetcherWrapper::RunError( TInt aError )

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("CCCAppCmsContactFetcherWrapper::RunError: aError: %d"), aError );

    iErrorsOccured = aError;

    TRAP_IGNORE( NotifyErrorL() );

    return KErrNone;

    }

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

// CCCAppCmsContactFetcherWrapper::NotifyErrorL

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

//

void CCCAppCmsContactFetcherWrapper::NotifyErrorL()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::NotifyErrorL()"));

    const TInt count = iObservers.Count();

    CCA_DP( KCCAppUtilLogFile, CCA_L("::NotifyErrorL - amount of observers: %d"), count );

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

        {

        TRAP_IGNORE( iObservers[ i ]->ContactFieldDataObserverHandleErrorL( 

            iHandlerState, iErrorsOccured ));

        } 

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::NotifyErrorL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::DoCancel

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

//

void CCCAppCmsContactFetcherWrapper::DoCancel()

    {

    if( IsActive() )

        {// CMS Client doesn't know the operation to be cancelled

        if ( EFindingFromOtherStores == iHandlerState )

            {

            iCmsContactDataFetcher.CancelExternalContactFind();

            }        

        else if ( ELoadingEnabledFields == iHandlerState && iContactInfo )

            {

            iCmsContactDataFetcher.Cancel( *iContactInfo );

            delete iContactInfo;

            iContactInfo = NULL;

            }

        else if ( ELoadingFields == iHandlerState && iContactField )

            {

            iCmsContactDataFetcher.Cancel( *iContactField );

            delete iContactField;

            iContactField = NULL;

            }

        }

    }

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

// CCCAppCmsContactFetcherWrapper::FindFromOtherStoresL

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

//

void CCCAppCmsContactFetcherWrapper::FindFromOtherStoresL()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::FindFromOtherStoresL()"));

    iHandlerState = EFindingFromOtherStores;

    iStatus = KRequestPending;

    iCmsContactDataFetcher.FindExternalContact( iStatus );

    SetActive();

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::FindFromOtherStoresL()"));

    };

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

// CCCAppCmsContactFetcherWrapper::FetchContactInfoL

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

//

void CCCAppCmsContactFetcherWrapper::FetchContactInfoL()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::FetchEnabledFieldsL()"));

    iHandlerState = ELoadingEnabledFields;

    iStatus = KRequestPending;

    iContactInfo = iCmsContactDataFetcher.EnabledFieldsL( iStatus );

    SetActive();

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::FetchEnabledFieldsL()"));

    };

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

// CCCAppCmsContactFetcherWrapper::HandleContactInfoUpdateL

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

//

void CCCAppCmsContactFetcherWrapper::HandleContactInfoUpdateL()

    {

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::HandleContactInfoUpdateL()"));

    //error check

    const TInt err = iStatus.Int();

    if ( KErrNone != err )

        {

        // cleanup

        delete iContactInfo;

        iContactInfo = NULL;

        User::Leave( err );    

        }

    const TInt count = iObservers.Count();

    CCA_DP( KCCAppUtilLogFile, CCA_L("::HandleContactInfoUpdateL - amount of observers: %d"), count );

    MCCAppContactFieldDataObserver::TParameter param = MCCAppContactFieldDataObserver::TParameter();

    param.iType = MCCAppContactFieldDataObserver::TParameter::EContactInfoAvailable;

    param.iContactInfo = iContactInfo;

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

        {

        TRAP_IGNORE( iObservers[ i ]->ContactFieldDataObserverNotifyL( param ));

        }    

    iHandlerState = ELoadingFields;

    iContactDataFetchingIndex = 0;

    StartContactDataFieldFetchingL();

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::HandleContactInfoUpdateL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::StartContactDataFieldFetchingL

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

//

void CCCAppCmsContactFetcherWrapper::StartContactDataFieldFetchingL()

    {                    

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::StartContactDataFieldFetchingL()"));

    TInt dataFieldCount = iContactInfo->Fields().Count();

    CCA_DP(KCCAppUtilLogFile, CCA_L("::StartContactDataFieldFetchingL amount of fields to be fetched = %d"), dataFieldCount );

    if ( dataFieldCount )

        {// start fetching

        FetchContactDataFieldL();

        }

    else

        {// nothing to fetch

        iHandlerState = EOperationsCompleted;

        //todo; do we need a error-callback to notify the error cases?

        }    

    CCA_DP(KCCAppUtilLogFile, CCA_L("<-CCCAppCmsContactFetcherWrapper::StartContactDataFieldFetchingL()"));

    }

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

// CCCAppCmsContactFetcherWrapper::FetchContactDataFieldL

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

//

void CCCAppCmsContactFetcherWrapper::FetchContactDataFieldL()

    {                    

    CCA_DP(KCCAppUtilLogFile, CCA_L("->CCCAppCmsContactFetcherWrapper::FetchContactDataFieldL()"));

    iStatus = KRequestPending;