/*

* Copyright (c) 2007-2008 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:  Network registration status monitor.

*

*/

#include "csatnetworkregstatusmonitor.h"

#include "SatLog.h"

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

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

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

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

//

CSatNetworkRegStatusMonitor::CSatNetworkRegStatusMonitor(

    MSatMultiModeApi& aPhone ) :

    CActive( CActive::EPriorityStandard ),

    iRegistrationStatus( RMobilePhone::ERegistrationUnknown ),

    iWaitingRegistrationStatus( EFalse ),

    iPhone( aPhone )

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: \

        CSatNetworkRegStatusMonitor::CSatNetworkRegStatusMonitor calling" )

    // Add to active scheduler.

    CActiveScheduler::Add( this );

    LOG( SIMPLE, "SATSYSTEMSTATE: \

        CSatNetworkRegStatusMonitor::CSatNetworkRegStatusMonitor exiting" )

    }

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

// Two-phased constructor.

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

//

CSatNetworkRegStatusMonitor* CSatNetworkRegStatusMonitor::NewL(

    MSatMultiModeApi& aPhone )

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::NewL calling" )

    CSatNetworkRegStatusMonitor* self =

        new( ELeave ) CSatNetworkRegStatusMonitor( aPhone );

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::NewL exiting" )

    return self;

    }

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

// Destructor

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

//

CSatNetworkRegStatusMonitor::~CSatNetworkRegStatusMonitor()

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: \

        CSatNetworkRegStatusMonitor::~CSatNetworkRegStatusMonitor calling" )

    Cancel();

    LOG( SIMPLE, "SATSYSTEMSTATE: \

        CSatNetworkRegStatusMonitor::~CSatNetworkRegStatusMonitor exiting" )

    }

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

// Activate monitor.

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

//

void CSatNetworkRegStatusMonitor::Start()

    {

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::Start calling" )

#ifndef SAT_USE_DUMMY_TSY

    if ( !IsActive() )

        {

        iRegistrationStatus = RMobilePhone::ERegistrationUnknown;

        iPhone.GetNetworkRegistrationStatus( iStatus, iRegistrationStatus );

        SetActive();

        iWaitingRegistrationStatus = ETrue;

        LOG( SIMPLE, "SATSYSTEMSTATE:   Started" )

        }

#else

    iRegistrationStatus = RMobilePhone::ERegisteredOnHomeNetwork;

    iWaitingRegistrationStatus = EFalse;

    LOG( SIMPLE, "SATSYSTEMSTATE:   Set for WINS Emulator" )

#endif

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::Start exiting" )

    }

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

// Get current value of network registration status.

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

//

RMobilePhone::TMobilePhoneRegistrationStatus

    CSatNetworkRegStatusMonitor::CurrentValue()

    {

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::CurrentValue calling" )

    // In case network registration notification failed on startup, we need to 

    // check it again, if not registered on home network and we are observing

    // changes in registration status ( iWaitingRegistrationStatus == EFalse )

    if ( !iWaitingRegistrationStatus &&

         ( RMobilePhone::ERegisteredOnHomeNetwork != iRegistrationStatus &&

           RMobilePhone::ERegisteredRoaming != iRegistrationStatus ) )

        {

        LOG( NORMAL, "Not registered -> Going to check value again" )

        Cancel(); // Cancel pending request...

        Start();  // ... and start again

        }

    // Wait, initial value has not yet been got.

    if ( iWaitingRegistrationStatus )

        {

        LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::CurrentValue \

        iWaitingRegistrationStatus true" )

        if ( !iWait.IsStarted() )

            {

            LOG( SIMPLE,

            "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::CurrentValue \

            start iWait" )

            iWait.Start();

            }

        }

    LOG2( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::CurrentValue exiting \

        (%d)", iRegistrationStatus )

    return iRegistrationStatus;

    }

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

// CRegistrationMonitor::DoCancel

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

//

void CSatNetworkRegStatusMonitor::DoCancel()

    {

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::DoCancel calling" )

    iPhone.CancelAsyncRequest(

        EMobilePhoneNotifyNetworkRegistrationStatusChange );

    if ( iWait.IsStarted() )

        {

        LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::DoCancel stop iWait" )

        iWait.AsyncStop();

        }

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::DoCancel exiting" )

    }

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

// From class CActive.

// Marks status value valid and activates change notifier.

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

//

void CSatNetworkRegStatusMonitor::RunL()

    {

    const TInt status( iStatus.Int() ); // Asynchronous status

    LOG2( SIMPLE,

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::RunL calling (%d)",

        status )

    // Restart request

    if ( KErrServerBusy == status )

        {

        iPhone.GetNetworkRegistrationStatus(

            iStatus,

            iRegistrationStatus );

        SetActive();

        }

    else if ( KErrCancel != status )

        {

        // (Re)start observing

        iPhone.NotifyNetworkRegistrationStatusChange(

            iStatus,

            iRegistrationStatus );

        SetActive();

        }

    else

        {

        LOG( SIMPLE, " Request cancelled" )

        }

    // Still waiting first value after start.

    if ( iWaitingRegistrationStatus )

        {

        LOG( SIMPLE, 

        "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::RunL \

        iWaitingRegistrationStatus true" )

        iWaitingRegistrationStatus = EFalse;

        if ( iWait.IsStarted() )

            {

            LOG( SIMPLE, 

            "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::RunL \

            stop iWait" )

            iWait.AsyncStop();

            }

        }

    LOG2( SIMPLE,

        "SATSYSTEMSTATE:   NetworkRegistrationStatus updated: %d",

        iRegistrationStatus )

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatNetworkRegStatusMonitor::RunL exiting" )

    }

// End of file