/*

* Copyright (c) 2003 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:  Sim State Monitoring class methods implementation

*

*/

// INCLUDE FILES

#include "cpesimstatemonitor.h"

#include "mpephonemodelinternal.h"

#include <startupdomainpskeys.h>

#include <talogger.h>

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

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

// CPESimStateMonitor::CPESimStateMonitor

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

// might leave.

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

//

CPESimStateMonitor::CPESimStateMonitor( 

    MPEPhoneModelInternal& aModel, 

    const TEvent aEvent )

   : CActive( EPriorityStandard ),

     iModel( aModel ),

     iSimState( EPESimStatusUninitialized ),

     iStartUp( ETrue )

    {

    if ( aEvent == EEventSimStatus )

        {

        iPropertyKey = KPSSimStatus;

        }

    else

        {

        iPropertyKey = KPSSimChanged;

        }

    }

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

// CPESimStateMonitor::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPESimStateMonitor::ConstructL()

    {

    TEFLOGSTRING( KTAMESOUT, "PE CPESimStateMonitor::ConstructL start" );

    RProperty::TType type( RProperty::EInt );

    TInt err = iProperty.Define( KPSUidStartup, iPropertyKey, type );

    //An error of KErrAlready exists should be ignored, as this only

    //indicates that some other code int system is also interested in the 

    //value and has created the property.

    if ( err != KErrNone && err != KErrAlreadyExists )

        {

        User::Leave( err );

        }

    User::LeaveIfError( iProperty.Attach( KPSUidStartup, iPropertyKey ) );

    // NOTE StartMonitoring() is not called here and this is intentional.

    // It is undesirable to send out messages before initialization is complete.

    // The first completion of this monitor is achieved by calling Start() from

    // MPEPhoneModelInternal::StepL()

    TEFLOGSTRING( KTAMESOUT, "PE CPESimStateMonitor::ConstructL complete" );

    }

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

// CPESimStateMonitor::NewL

// Two-phased constructor.

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

//

CPESimStateMonitor* CPESimStateMonitor::NewL( 

    MPEPhoneModelInternal& aModel, 

    const TEvent aEvent )

    {

    TEFLOGSTRING2( KTAOBJECT, "PE CPESimStateMonitor::Newl %d", aEvent );

    CPESimStateMonitor* self = new ( ELeave ) CPESimStateMonitor( aModel, aEvent );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    TEFLOGSTRING( KTAMESOUT, "PE CPESimStateMonitor::NewL complete" );

    return self;

    }

// Destructor

CPESimStateMonitor::~CPESimStateMonitor()

    {

    Cancel();

    iProperty.Close();

    }

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

// CPESimStateMonitor::Start

// Completes monitor to finish initialization

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

//

void CPESimStateMonitor::Start()

    {

    if ( !IsActive() )

        {

        CActiveScheduler::Add( this );

        SetActive();

        TRequestStatus* status = &iStatus ;

        User::RequestComplete( status, KErrNone );

        }

    }

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

// CPESimStateMonitor::SimState

// Returns Sim state.

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

//

TPESimState CPESimStateMonitor::SimState() const

    {

    return static_cast<TPESimState>( iSimState );

    }

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

// CPESimStateMonitor::StartMonitoring

// Starts monitoring Sim state

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

//

void CPESimStateMonitor::StartMonitoring()

    {

	iProperty.Subscribe( iStatus );

	SetActive();

    }

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

// CPESimStateMonitor::DoCancel

// Callback method from CActive.

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

//

void CPESimStateMonitor::DoCancel()

    {   

    iProperty.Cancel();

    }

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

// CPESimStateMonitor::RunL

// In startup reads Sim state from System Agent, otherwise it is called 

// when Sim state is changed.

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

//

void CPESimStateMonitor::RunL()

    {

    TInt status = iStatus.Int(); 

    // resubscribe before processing new value to prevent missing updates

    StartMonitoring();

    iProperty.Get( KPSUidStartup, iPropertyKey, iSimState );

    if ( iStartUp )

        {

        iStartUp = EFalse;

        if ( iPropertyKey == KPSSimStatus )

            {

            if( iSimState != EPESimStatusUninitialized && iSimState != EPESimNotSupported )

                {

                iModel.SendMessage( MEngineMonitor::EPEMessageSIMStateChanged );

                }

            }

        else

            {

            iModel.SendMessage( MEngineMonitor::EPEMessageSIMChanged );

            }

        }

    else // Sim or Sim status has changed

        {

        if ( status == KErrNone ) 

            {

            TEFLOGSTRING3( KTAMESINT, 

                "PE CPESimStateMonitor::RunL, event: %d, property: %d"

                , iPropertyKey

                , iSimState );

            if ( iPropertyKey == KPSSimStatus )

                {    

                iModel.SendMessage( MEngineMonitor::EPEMessageSIMStateChanged );

                }

            else 

                {

                if ( iSimState == ESimChanged )

                    {

                    iModel.SendMessage( MEngineMonitor::EPEMessageSIMChanged );

                    }

                }

            }

        else

            {

            TEFLOGSTRING3( KTAERROR, "PE CPESimStateMonitor::RunL, event: %d, status: %d", iPropertyKey, status );

            }   

        }

    }

// ========================== OTHER EXPORTED FUNCTIONS =========================

// None

//  End of File