/*

* Copyright (c) 2004,2006 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:  Implements the CAOSettings class

*

*/

// INCLUDE FILES

#include <centralrepository.h>

#include "caosettings.h"

#include "logger.h"

#include "maosettingsobserver.h"

#include "pdpcontextmanagerinternalcrkeys.h"

// UNNAMED NAMESPACE FOR LOCAL DEFINITIONS

namespace

    {

    // CONSTANTS

#ifdef _DEBUG

    _LIT( KPanicCat, "Settings" );

#endif

    // Default values    

    const TInt  KDefaultRetryInterval      = 1;

    const TInt  KDefaultIAPUid             = 1;

    const TInt  KDefaultConnectionInterval = 25;

    const TInt  KDefaultUnconnectInterval  = 25;

    const TInt  KLingerOff                 = 0;

    const TInt  KLingerForEver             = -1;

    const TUint KIapColumn                 = 0x00000100;

    const TUint KLingerColumn              = 0x00000200;

    // DATA TYPES

    enum TPanicCode

        {

        EAlreadyFetchingSettings,

        ENotActive

        };

    // LOCAL FUNCTIONS

#ifdef _DEBUG

    LOCAL_C void Panic( TPanicCode aCode )

        {

        User::Panic( KPanicCat, aCode );

        }

#endif

    }

// METHODS

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

// CAOSettings::NewL

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

//

CAOSettings* CAOSettings::NewL( MAOSettingsObserver& aObserver )

    {

    LOG_1( _L("CAOSettings::NewL") );

    CAOSettings* self = new( ELeave ) CAOSettings( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CAOSettings::~CAOSettings

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

//

CAOSettings::~CAOSettings()

    {

    LOG_1( _L("CAOSettings::~CAOSettings") );

    Cancel();

    if ( iCenRepNotifyHandler )

        {

        iCenRepNotifyHandler->StopListening();

        delete iCenRepNotifyHandler;

        }

    delete iRepository;

    iLingerSettings.Close();

    }

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

// CAOSettings::CAOSettings

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

//

CAOSettings::CAOSettings( MAOSettingsObserver& aObserver ):

    CActive( CActive::EPriorityStandard ),

    iObserver( aObserver ),

    iIAP( KDefaultIAPUid ),

    iRetryTimerValue( KDefaultRetryInterval ),

    iSupportedInHPLMN( EFalse ),

    iSupportedInVPLMN( EFalse ),

    iLingerTimerValue( KLingerOff )

    {

    LOG_1( _L("CAOSettings::CAOSettings") );

    CActiveScheduler::Add( this );

    }

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

// CAOSettings::ConstructL

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

//

void CAOSettings::ConstructL()

    {

    LOG_1( _L("CAOSettings::ConstructL") );

    // Create cenrep

    iRepository = CRepository::NewL( KCRUidPDPContextManager );

    // Create cenrep listener

    iCenRepNotifyHandler = CCenRepNotifyHandler::NewL(

        *this,

        *iRepository );

    iCenRepNotifyHandler->StartListeningL();

    // Get connection timer value

    iConnectionTimerValue = KDefaultConnectionInterval;

    UpdateConnectionTimerSetting();

    // Get unconnect timer value

    iUnconnectTimerValue = KDefaultUnconnectInterval;

    UpdateUnconnectTimerSetting();

    }

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

// CAOSettings::FetchSettings

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

//

void CAOSettings::FetchSettings( TUint32 aId )

    {

    LOG_2( _L("CAOSettings::FetchSettings: aId: %d"), aId );

    __ASSERT_DEBUG( !IsActive(), Panic( EAlreadyFetchingSettings ) );

    // Let just scheduler run and get settings when RunL is called

    iSettingsToFetch = aId;

    iStatus = KRequestPending;

    SetActive();

    CompleteSelf( iStatus, KErrNone );

    }

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

// CAOSettings::RunL

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

//

void CAOSettings::RunL()

    {

    LOG_2( _L("CAOSettings::RunL: iStatus: %d"), iStatus.Int() );

    // Currently we cannot complete with an error

    SetupSettings( iSettingsToFetch );

    iObserver.HandleSettingsChangedL();

    }

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

// CAOSettings::DoCancel

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

//

void CAOSettings::DoCancel()

    {

    LOG_1( _L("CAOSettings::DoCancel") );

    // We must complete pending request if needed

    // Checking IsActive is not sufficient, we must check also

    // iStatus

    if ( iStatus == KRequestPending && IsActive() )

        {

        CompleteSelf( iStatus, KErrCancel );

        }

    }

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

// CAOSettings::RunError

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

//

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

    {

    LOG_1( _L("CAOSettings::RunError") );

    return KErrNone;

    }

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

// CAOSettings::AccessPointId

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

//

TInt CAOSettings::AccessPointId() const

    {

    LOG_1( _L("CAOSettings::AccessPointId") );

    return iIAP;

    }

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

// CAOSettings::RetryTimerValue

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

//

TInt CAOSettings::RetryTimerValue() const

    {

    LOG_1( _L("CAOSettings::RetryTimerValue") );

    return iRetryTimerValue;

    }

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

// CAOSettings::AlwaysOnSupportedInHPLMN

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

//

TBool CAOSettings::AlwaysOnSupportedInHPLMN() const

    {

    LOG_1( _L("CAOSettings::AlwaysOnSupportedInHPLMN") );

    return iSupportedInHPLMN;

    }

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

// CAOSettings::AlwaysOnSupportedInVPLMN

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

//

TBool CAOSettings::AlwaysOnSupportedInVPLMN() const

    {

    LOG_1( _L("CAOSettings::AlwaysOnSupportedInVPLMN") );

    return iSupportedInVPLMN;

    }

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

// CAOSettings::ConnectionTimerValue

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

//

TInt CAOSettings::ConnectionTimerValue() const

    {

    LOG_1( _L("CAOSettings::ConnectionTimerValue") );

    return iConnectionTimerValue;

    }

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

// CAOSettings::UnconnectTimerValue

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

//

TInt CAOSettings::UnconnectTimerValue() const

    {

    LOG_1( _L("CAOSettings::UnconnectTimerValue") );

    return iUnconnectTimerValue;

    }

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

// CAOSettings::LingerTimerValue

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

//

TInt CAOSettings::LingerTimerValue( const TUint aIapId ) const

    {

    LOG_1( _L("CAOSettings::LingerTimerValue") );

    for ( TInt j=0; j < iLingerSettings.Count(); j++ )

        {

        if ( iLingerSettings[ j ].iIap == aIapId )

            {

            LOG_3( _L("Linger setting found >> iap: %d, interval: %d"),

                   aIapId,

                   iLingerSettings[ j ].iInterval);  

            if ( iLingerSettings[ j ].iInterval == 0 )

                {

                return KLingerForEver;    

                }

            else

                {

                return ( iLingerSettings[ j ].iInterval );    

                }

            }    

        }

    LOG_2( _L("LingerTimerValue() not found >> iap: %d"),

           aIapId );

    return KLingerOff; // Linger is off           

    }    

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

// CAOSettings::HandleNotifyGeneric

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

//

void CAOSettings::HandleNotifyGeneric( TUint32 aId )

    {

    LOG_2( _L("CAOSettings::HandleNotifyGeneric: aId: %d"), aId );

    switch ( aId )

        {

        // We are interested only in Always-On settings

        case KPDPContextManagerDefaultUid:

        case KPDPContextManagerRetryTimer:

        case KPDPContextManagerConnectionTimer:

        case KPDPContextManagerUnconnectTimer:

        case KPDPContextManagerEnableWhenRoaming:

        case KPDPContextManagerEnableWhenHome:

            {

            FetchSettings( aId );

            break;

            }

        default:

            {

            if ( ( aId & KLingerColumn ) == KLingerColumn )

                {

                FetchSettings( KPDPContextManagerLinger );    

                }

            break;

            }

        }

    }

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

// CAOSettings::SetupSettings

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

//

void CAOSettings::SetupSettings( TUint32 aId )

    {

    LOG_2( _L("CAOSettings::SetupSettings: aId: %d"), aId );

    switch ( aId )

        {

        case KPDPContextManagerDefaultUid:

            {

            UpdateIAPSetting();

            break;

            }

        case KPDPContextManagerRetryTimer:

            {

            UpdateRetryTimerSetting();

            break;

            }

        case KPDPContextManagerConnectionTimer:

            {

            UpdateConnectionTimerSetting();

            break;

            }

        case KPDPContextManagerUnconnectTimer:

            {

            UpdateUnconnectTimerSetting();

            break;

            }

        case KPDPContextManagerEnableWhenHome:

            {

            UpdateHPLMNSetting();

            break;

            }

        case KPDPContextManagerEnableWhenRoaming:

            {

            UpdateVPLMNSetting();

            break;

            }

        case KPDPContextManagerLinger:

            {

            UpdateLingerTimerSetting();

            break;

            }    

        default:

            {

            // Set all

            UpdateIAPSetting();

            UpdateRetryTimerSetting();

            UpdateConnectionTimerSetting();

            UpdateUnconnectTimerSetting();

            UpdateHPLMNSetting();

            UpdateVPLMNSetting();

            UpdateLingerTimerSetting();

            break;

            }

        }

    }

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

// CAOSettings::CompleteSelf

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

//

void CAOSettings::CompleteSelf( TRequestStatus& aStatus, TInt aReason )

    {

    LOG_1( _L("CAOSettings::CompleteSelf") );

    __ASSERT_DEBUG( IsActive(), Panic( ENotActive ) );

    TRequestStatus* status = &aStatus;

    User::RequestComplete( status, aReason );

    }

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

// CAOSettings::UpdateIAPSetting

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

//

void CAOSettings::UpdateIAPSetting()

    {

    LOG_2( _L("CAOSettings::UpdateIAPSettingL >> Old value: %d"), iIAP );

    UpdateSetting( KPDPContextManagerDefaultUid, iIAP );

    LOG_2( _L("CAOSettings::UpdateIAPSettingL >> New value: %d"), iIAP );

    }

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

// CAOSettings::UpdateRetryTimerSetting

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

//

void CAOSettings::UpdateRetryTimerSetting()

    {

    LOG_2( _L("CAOSettings::UpdateRetryTimerSetting >> Old value: %d"),

        iRetryTimerValue );

    UpdateSetting( KPDPContextManagerRetryTimer, iRetryTimerValue );

    LOG_2( _L("CAOSettings::UpdateRetryTimerSetting >> New value: %d"),

        iRetryTimerValue );

    }

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

// CAOSettings::UpdateConnectionTimerSetting

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

//

void CAOSettings::UpdateConnectionTimerSetting()

    {

    LOG_2( _L("CAOSettings::UpdateConnectionTimerSetting >> Old value: %d"),

        iConnectionTimerValue );

    UpdateSetting( KPDPContextManagerConnectionTimer, iConnectionTimerValue );

    LOG_2( _L("CAOSettings::UpdateConnectionTimerSetting >> New value: %d"),

        iConnectionTimerValue );

    }

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

// CAOSettings::UpdateUnconnectTimerSetting

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

//

void CAOSettings::UpdateUnconnectTimerSetting()

    {

    LOG_2( _L("CAOSettings::UpdateUnconnectTimerSetting >> Old value: %d"),

        iUnconnectTimerValue );

    UpdateSetting( KPDPContextManagerUnconnectTimer, iUnconnectTimerValue );

    LOG_2( _L("CAOSettings::UpdateUnconnectTimerSetting >> New value: %d"),

        iUnconnectTimerValue );

    }

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

// CAOSettings::UpdateHPLMNSetting

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

//

void CAOSettings::UpdateHPLMNSetting()

    {

    LOG_2( _L("CAOSettings::UpdateHPLMNSetting >> Old value: %d"),

        iSupportedInHPLMN );

    UpdateSetting( KPDPContextManagerEnableWhenHome, iSupportedInHPLMN );

    LOG_2( _L("CAOSettings::UpdateHPLMNSetting >> New value: %d"),

        iSupportedInHPLMN );

    }

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

// CAOSettings::UpdateVPLMNSetting

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

//

void CAOSettings::UpdateVPLMNSetting()

    {

    LOG_2( _L("CAOSettings::UpdateVPLMNSetting >> Old value: %d"),

        iSupportedInVPLMN );

    UpdateSetting( KPDPContextManagerEnableWhenRoaming, iSupportedInVPLMN );

    LOG_2( _L("CAOSettings::UpdateVPLMNSetting >> New value: %d"),

        iSupportedInVPLMN );

    }

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

// CAOSettings::UpdateLingerTimerSetting

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

//

void CAOSettings::UpdateLingerTimerSetting()

    {

    LOG_1( _L("CAOSettings::UpdateLingerTimerSetting"));

    TInt           count( 0 );

    TInt           err( KErrNone );

    TLingerSetting ls;

    iLingerSettings.Reset();

    // Get number of entries (iapId&linger) in Centrep

    err = iRepository->Get( KPdpContextManagerLingerArrayCount, count );

    if ( err == KErrNone )

        {

        // read all entries from Centrep

        for ( TInt row=1; row <= count; row++ )

            {

            err = iRepository->Get( ( KIapColumn | row ), ls.iIap ); 

            if ( err == KErrNone )

                {

                err = iRepository->Get( ( KLingerColumn | row ), ls.iInterval );     

                }