/*

* Copyright (c) 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 class implementation for SuplSettings

*

*/

// INCLUDE FILES

#include    <centralrepository.h>

#include "epos_csuplsettings.h"

#include "epos_csuplsettingsnotifier.h"

#include "epos_msuplsettingsobserver.h"

#include "epos_csuplsettingsinternalcrkeys.h"

const TInt KMaxStrlen = 255;

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

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

// might leave.

//

CSuplSettingsNotifier::CSuplSettingsNotifier(

    MSuplSettingsObserver& aObserver,TBool aDBListener)

    :CActive(CActive::EPriorityStandard),

    iObserver(aObserver),

    iStopObserve(EFalse),iDBListener(aDBListener),iImsi(NULL)

    {

    }

// EPOC default constructor can leave.

void CSuplSettingsNotifier::ConstructL()

    {

    CActiveScheduler::Add(this);

    iRepository = CRepository::NewL(KCRUidSuplSettings);

    iImsi = HBufC::NewL(KMaxStrlen);

    // Start listening

    StartListening();

    }

// Two-phased constructor.

CSuplSettingsNotifier* CSuplSettingsNotifier::NewL(

    MSuplSettingsObserver& aObserver,TBool aDBListener)

    {

    CSuplSettingsNotifier* self = 

        new (ELeave) CSuplSettingsNotifier(aObserver,aDBListener);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// Destructor

CSuplSettingsNotifier::~CSuplSettingsNotifier()

    {

    Cancel();

    delete iRepository;

    iRepository = NULL;

    delete iImsi;

    }

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

// CSuplSettingsNotifier::RunL

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

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

//

void CSuplSettingsNotifier::RunL()

    {

    if(iDBListener) //if this flag is set this instance is listening for changes on the database

        {

        TInt event;

        iRepository->Get(KSuplSettingsDBEvent, event);

        TReal slpID;

        iRepository->Get(KSuplSettingsDBChangedSLPId, slpID);

        iObserver.HandleSuplSettingsChangeL(eventType,slpID);

        }

    else

        {

            TInt fallBackValue;

            TInt fallBackTimerValue;

            TBuf<KMaxStrlen> imsi;

            iRepository->Get(KSuplSettingsFallBack,fallBackValue);

            iRepository->Get(KSuplSettingsFallBackTimer,fallBackTimerValue);

            iRepository->Get(KSuplSettingsIMSI,imsi);

            if(fallBackValue != iFallBackValue || fallBackTimerValue != iFallBackTimerValue || imsi.Compare(*iImsi))

                iObserver.HandleSuplSettingsChangeL(MSuplSettingsObserver::ESuplSettingsEventCommParameterChange);

        }

    StartListening();

    }

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

// CSuplSettingsNotifier::DoCancel

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

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

//

void CSuplSettingsNotifier::DoCancel()

    {

    iStopObserve = ETrue;

    if(iDBListener)

        {

        iRepository->NotifyCancel(KSuplSettingsDBEvent);

        }

    else

        iRepository->NotifyCancel(0x00000000, 0x00000000);

    }

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

// CSuplSettingsNotifier::RunError

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

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

//

TInt CSuplSettingsNotifier::RunError(TInt /*aError*/)

    {

    return KErrNone;

    }

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

// CSuplSettingsNotifier::StartListening

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

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

//

void CSuplSettingsNotifier::StartListening()

    {

    iStatus = KRequestPending;

    if(iDBListener)

        {

        // Request for notification for DB field change

        iRepository->NotifyRequest(KSuplSettingsDBEvent, iStatus);

        }

    else

        {

        TBuf<KMaxStrlen> imsi;

        iRepository->Get(KSuplSettingsFallBack,iFallBackValue);

        iRepository->Get(KSuplSettingsFallBackTimer,iFallBackTimerValue);

        iRepository->Get(KSuplSettingsIMSI,imsi);

        if(iImsi)

            iImsi->Des() = imsi;

        // Request for notification for any field change

        iRepository->NotifyRequest(0x00000000, 0x00000000, iStatus);

        }

    SetActive();

    }

//  End of File