/*

* 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:  Notifier for changes.

*

*/

// INCLUDE FILES

#include    <rmmcustomapi.h>

#include    <centralrepository.h>

#include    <SSSettingsPrivateCRKeys.h>

#include    "CSSSettingsNotifier.h"

#include    "MSSSettingsObserver.h"

#include    "CSSSettingsAlsNotifier.h"

#include    "SSSettingsLogger.h"

// DATA TYPES

/**

* It enumerates all keys to be notified from Central Repository under 

* KCRUidSupplementaryServiceSettings.

*

*   ESSSettingsKeyNone    - No key change to be notified.

*   ESSSettingsKeyAlsLine - Als line change to be notified.

*   ESSSettingsKeyClir    - Clir change to be notified.

*   ESSSettingsKeyCug     - Cug change to be notified.

*   ESSSettingsKeyAll     - All keys to be notified.

*/

enum TSSSettingsCenRepNotifyKey

    {

    ESSSettingsKeyNone    = 0x00000000,

    ESSSettingsKeyAlsLine = 0x00000001,

    ESSSettingsKeyClir    = 0x00000002,

    ESSSettingsKeyCug     = 0x00000004,

    // Keep as last.

    ESSSettingsKeyAll     = 0xFFFFFFFF

    };

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

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

// CSSSettingsNotifier::CSSSettingsNotifier

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

//

CSSSettingsNotifier::CSSSettingsNotifier( RSSSettings& aSettings ) 

: CActive( EPriorityStandard ), 

  iSettings( aSettings ),

  iNotifyKeys ( ESSSettingsKeyNone )

    {

    CActiveScheduler::Add( this );

    }

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

// CSSSettingsNotifier::ConstructL

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

//

void CSSSettingsNotifier::ConstructL()

    {

    iAls = CSSSettingsAlsNotifier::NewL( 

        iSettings.iData->iMobilePhone,

        *iSettings.iData->iCustomPhone,

        *this );

    iRepository = CRepository::NewL( KCRUidSupplementaryServiceSettings );

    iCenRepAlsNotifyHandler = CCenRepNotifyHandler::NewL(

        *this, 

        *iRepository,

        CCenRepNotifyHandler::EIntKey,

        KSettingsAlsLine );

    iCenRepClirNotifyHandler = CCenRepNotifyHandler::NewL(

        *this, 

        *iRepository,

        CCenRepNotifyHandler::EIntKey,

        KSettingsCLIR );

    iCenRepCugNotifyHandler = CCenRepNotifyHandler::NewL(

        *this, 

        *iRepository,

        CCenRepNotifyHandler::EIntKey,

        KSettingsCUG );

    // Start listening all the keys, the notify is handled only if there is

    // notify request made.

    iCenRepAlsNotifyHandler->StartListeningL();

    iCenRepClirNotifyHandler->StartListeningL();

    iCenRepCugNotifyHandler->StartListeningL();

    }

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

// CSSSettingsNotifier::~CSSSettingsNotifier

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

//

CSSSettingsNotifier::~CSSSettingsNotifier()

    {

    Cancel();

	if( iCenRepAlsNotifyHandler )

    	{

        iCenRepAlsNotifyHandler->StopListening();

    	}

    if( iCenRepClirNotifyHandler )

        {

        iCenRepClirNotifyHandler->StopListening();

        }

    if( iCenRepCugNotifyHandler )

        {

        iCenRepCugNotifyHandler->StopListening();

        }

    delete iCenRepAlsNotifyHandler;

    delete iCenRepClirNotifyHandler;

    delete iCenRepCugNotifyHandler;

    delete iRepository;

    delete iAls;

    }

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

// CSSSettingsNotifier::AddNotifier

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

//

TInt CSSSettingsNotifier::AddNotifier( TSSSettingsSetting aSetting )

    {

    __SSSLOGSTRING("[SSS]--> CSSSettingsNotifier::AddNotifier");

    TInt error(KErrNone);

    switch ( aSetting )

        {

        case ESSSettingsCug:

            iNotifyKeys = ( iNotifyKeys | ESSSettingsKeyCug );

            break;

        case ESSSettingsClir:

            iNotifyKeys = ( iNotifyKeys | ESSSettingsKeyClir );

            break;

        case ESSSettingsAls:

            error = iAls->NotifyAlsChange();

            if ( error == KErrNone || error == KErrAlreadyExists )

                {

                iNotifyKeys = ( iNotifyKeys | ESSSettingsKeyAlsLine );

                }

            break;

        case ESSSettingsAlsBlocking:

            // Handled via active object

            if ( !IsActive() )

                {

                iSettings.iData->iCustomPhone->NotifyAlsBlockedChanged( 

                    iStatus, iAlsBlockStatus );

                SetActive();

                }

            else

                {

                error = KErrAlreadyExists;

                }

            break;

        case ESSSettingsDefaultCug:

            //CUG default cannot be changed

            break;

        default:

            error = KErrNotSupported;

        }   

    __SSSLOGSTRING1("[SSS]     CSSSettingsNotifier::AddNotifier: error: %d", error );

    __SSSLOGSTRING("[SSS] <--CSSSettingsNotifier::AddNotifier");

    return error;

    }

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

// CSSSettingsNotifier::RemoveNotifier

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

//

void CSSSettingsNotifier::RemoveNotifier( TSSSettingsSetting aSetting )

    {

    __SSSLOGSTRING("[SSS]--> CSSSettingsNotifier::RemoveNotifier");

    switch ( aSetting )

        {

        case ESSSettingsCug:

            iNotifyKeys = ( iNotifyKeys & ( ~ESSSettingsKeyCug ) );

            break;

        case ESSSettingsClir:

            iNotifyKeys = ( iNotifyKeys & ( ~ESSSettingsKeyClir ) );

            break;

        case ESSSettingsAls:

            if ( iAls )

                {

                iAls->CancelNotify();

                }

            iNotifyKeys = ( iNotifyKeys  & ( ~ESSSettingsKeyAlsLine ) );

            break;

        case ESSSettingsAlsBlocking:

            Cancel();

            break;

        default:

            break;

        } 

    __SSSLOGSTRING("[SSS] <--CSSSettingsNotifier::RemoveNotifier");

    }

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

// CSSSettingsNotifier::RunL

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

//

void CSSSettingsNotifier::RunL()

    {

    __SSSLOGSTRING("[SSS]--> CSSSettingsNotifier::RunL");

    switch ( iStatus.Int() )

        {

        case KErrCancel:

        case KErrNotSupported:

            return;

        case KErrNone:

            // Inform observers

            switch ( iAlsBlockStatus )

                {

                case RMmCustomAPI::EBlockStatusNotSupported: 

                    iSettings.InformChange( 

                        ESSSettingsAlsBlocking, 

                        static_cast <TInt>( 

                        ESSSettingsAlsBlockingNotSupported ) );

                    break;

                case RMmCustomAPI::EBlockStatusActive: 

                    iSettings.InformChange( 

                        ESSSettingsAlsBlocking, 

                        static_cast <TInt>( ESSSettingsAlsBlockingOn ) );

                    break;

                case RMmCustomAPI::EBlockStatusInactive: 

                    iSettings.InformChange( ESSSettingsAlsBlocking,

                        static_cast <TInt>( ESSSettingsAlsBlockingOff ) );

                    break;

                case RMmCustomAPI::EBlockStatusUnknown: 

                    break;

                default:

                    break;

                }

            break;

        default:

            break;

        }

    // re-activate request.

    iSettings.iData->iCustomPhone->NotifyAlsBlockedChanged( 

        iStatus, iAlsBlockStatus );

    SetActive();

    __SSSLOGSTRING("[SSS] <--CSSSettingsNotifier::RunL");

    }

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

// CSSSettingsNotifier::DoCancel

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

//

void CSSSettingsNotifier::DoCancel()

    {

    iSettings.iData->iCustomPhone->CancelAsyncRequest( 

        ECustomNotifyAlsBlockedChangedIPC );

    }

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

// CSSSettingsNotifier::HandleNotifyInt

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

//

void CSSSettingsNotifier::HandleNotifyInt( TUint32 aId, TInt aNewValue )

    {

    __SSSLOGSTRING2("[SSS] -->CSSSettingsNotifier::HandleNotifyInt aId: %d  aNewValue: %d", aId, aNewValue);

    // First check CUG mode

    if ( aId == KSettingsCUG )

        {

        // Inform change only if Cug notify request is on.

        if ( iNotifyKeys & ESSSettingsKeyCug )

            {

            iSettings.InformChange(

                ESSSettingsCug,

                aNewValue );

            }

        }

    // Then CLIR

    else if ( aId == KSettingsCLIR )

        {

        // Inform change only if Clir notify request is on.

        if ( iNotifyKeys & ESSSettingsKeyClir )

            {

            iSettings.InformChange(

                ESSSettingsClir,

                aNewValue );

            }

        }

    // ALS - not forwarded if not supported

    else if ( aId == KSettingsAlsLine )

        {

        // Inform change only if Als line notify request is on.

        if ( iNotifyKeys & ESSSettingsKeyAlsLine )

            {

            TBool ppSupported(EFalse);

            TBool simSupported(EFalse);

            TBool cspSupported(EFalse);

            TInt cspError(KErrNone);

            iAls->GetAlsSupport( ppSupported, 

                                simSupported, 

                                cspSupported, 

                                cspError );

            __SSSLOGSTRING1("[SSS]    ppSupported:  %d", ppSupported);

            __SSSLOGSTRING1("[SSS]    simSupported: %d", simSupported);

            __SSSLOGSTRING1("[SSS]    cspSupported: %d", cspSupported);

            __SSSLOGSTRING1("[SSS]    cspError:     %d", cspError);

            if ( AlsSupport( ppSupported, cspSupported, cspError ) )

                {

                __SSSLOGSTRING1("[SSS] ->InformChange aNewValue:%d", aNewValue);

                iSettings.InformChange(

                    ESSSettingsAls,

                    aNewValue );

                }

            else

                {

                __SSSLOGSTRING("[SSS] ->InformChange AlsNotSupported ");

                iSettings.InformChange( 

                    ESSSettingsAls,

                    ESSSettingsAlsNotSupported );

                }

            }

        }

    // Other

    else

        {

        __ASSERT_DEBUG( EFalse, User::Invariant() );

        }

    __SSSLOGSTRING("[SSS] <--CSSSettingsNotifier::HandleNotifyInt");

    }

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

// CSSSettingsNotifier::AlsSupport

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

//

TBool CSSSettingsNotifier::AlsSupport( TBool aPPSupport, TBool aCSPSupport,

    TInt aCSPError )

    {

    TBool send(EFalse);

    // If aCSPSupport is false and CSP doesnt return error then it is not

    // needed to send notification to clients.

    if ( aPPSupport || ( aCSPSupport && aCSPError == KErrNone ) ) 

        {

        send = ETrue;

        }

    return send;

    }

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

// CSSSettingsNotifier::HandleNotifyError

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

//

void CSSSettingsNotifier::HandleNotifyError( TUint32 /*aId*/, TInt /*aError*/,

    CCenRepNotifyHandler* /*aHandler*/ )

    {

    // Here you could call the below, if you are sure that it do not cause 

    // eternal loop

    // TRAPD( error, aHandler->StartListeningL() );

    }

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

// CSSSettingsNotifier::GetAlsHandler

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

//

CSSSettingsAlsNotifier* CSSSettingsNotifier::GetAlsHandler()

    {

    __SSSLOGSTRING("[SSS]--> CSSSettingsNotifier::GetAlsHandler");

    TBool ppSupported(EFalse);

    TBool simSupported(EFalse);

    TBool cspSupported(EFalse);

    TInt cspError(KErrNone);

    iAls->GetAlsSupport( ppSupported, simSupported, cspSupported, cspError );

    __SSSLOGSTRING1("[SSS]     CSSSettingsNotifier::GetAlsHandler: ppSupported: %d", ppSupported );

    __SSSLOGSTRING1("[SSS]     CSSSettingsNotifier::GetAlsHandler: simSupported: %d", simSupported );

    __SSSLOGSTRING1("[SSS]     CSSSettingsNotifier::GetAlsHandler: cspSupported: %d", cspSupported );

    if ( ppSupported || simSupported || cspSupported )

        {

        __SSSLOGSTRING("[SSS] <--CSSSettingsNotifier::GetAlsHandler: ALS supported");

        return iAls; // returned only if supported

        }

    __SSSLOGSTRING("[SSS] <--CSSSettingsNotifier::GetAlsHandler: NULL returned");

    return NULL;

    }

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

// CSSSettingsNotifier::HandleRefresh

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

//

TInt CSSSettingsNotifier::HandleRefresh()

    {

    return iAls->HandleRefresh();

    }

//  End of File