/*

* Copyright (c) 2004-2005 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:  SIM Status Monitor.

*

*/

// INCLUDES

#include    <startupdomainpskeys.h> // Property values

// CONSTANTS

const TUint KENPolicySAConnectionRetryTime = 2000000;  // 2s

const TInt KENPolicySAConnectionRetries = 3;

_LIT( KENPolicyPanicCategory, "ENPolicyFault" );

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

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

// CSosEnPolicySimStatusMonitor::CSosEnPolicySimStatusMonitor

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

// might leave.

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

//

CSosEnPolicySimStatusMonitor::CSosEnPolicySimStatusMonitor( 

    CSosEmergencyNumberPolicyHandler& aObserver ) :

    CActive( EPriorityStandard ),

    iObserver( aObserver )

    {

    CActiveScheduler::Add( this );

    }

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

// CSosEnPolicySimStatusMonitor::NewL

// Two-phased constructor.

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

//

CSosEnPolicySimStatusMonitor* CSosEnPolicySimStatusMonitor::NewL( 

    CSosEmergencyNumberPolicyHandler& aObserver )

    {

    CSosEnPolicySimStatusMonitor* self = new ( ELeave ) 

        CSosEnPolicySimStatusMonitor( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

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

// CSosEnPolicySimStatusMonitor::~CSosEnPolicySimStatusMonitor

// Destructor.

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

//

CSosEnPolicySimStatusMonitor::~CSosEnPolicySimStatusMonitor()

    {

    Cancel();

    iProperty.Close();

    }

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

// CSosEnPolicySimStatusMonitor::ConstructL

// 

// Construction. Creates also connection to system agent.

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

//        

void CSosEnPolicySimStatusMonitor::ConstructL()

    {

    TInt err = KErrNotSupported;

    for( TInt i = 0; i < KENPolicySAConnectionRetries; i++ )

        {

        err = iProperty.Attach( KPSUidStartup, KPSSimStatus );

        if( err == KErrNone )

            {

            i = KENPolicySAConnectionRetries;

            }

        else

            {

            // _DPRINT( 4, "ENPolicy.SimStatus.Attach.RETRY" );  

            User::After( KENPolicySAConnectionRetryTime );

            }

        }

    //if connection not established.

    __ASSERT_ALWAYS( err == KErrNone, User::Panic( 

        KENPolicyPanicCategory, EEnPolicyPanicCentralRepositoryConnectionFailure ) );

    IssueRequest();

    }

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

// CSosEnPolicySimStatusMonitor::DoCancel

// 

//  Cancellation of notify.

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

//

void CSosEnPolicySimStatusMonitor::DoCancel()

    {

    iProperty.Cancel();

    }

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

// CSosEnPolicySimStatusMonitor::RunL

// 

// SIM event occurred.

// Basically events make three kinds of responses.

// If there is an error in notify, nothing is made. Othervice, event

// may indicate that SIM is accessible or not. Depending on that, action is

// send for observer.

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

//

void CSosEnPolicySimStatusMonitor::RunL()

    {

    TInt state = KErrGeneral;

    iProperty.Get( state );

    // _DDPRINT( 4, "ENPolicy.SimStatus.status.e.", iStatus.Int() );    

    // _DDPRINT( 4, "ENPolicy.SimStatus.status.", state );

    CSosEmergencyNumberPolicyHandler::TSosEnPolicySimEmergencyNumberAction

        action = CSosEmergencyNumberPolicyHandler::

                    ESosEnPolicySimEmergencyNumberClear;

    switch ( iStatus.Int() )

        {

        case KErrNotSupported:

        case KErrCancel:

            return;

        case KErrNone:

            {

            if ( TranslateState( state ) )

                {

                action = 

                    CSosEmergencyNumberPolicyHandler::

                        ESosEnPolicySimEmergencyNumberRead;

                }

            iObserver.CpsssmHandleSimStatusEvent( action );

            }

        default:

            break;

        }

    IssueRequest();

    }

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

// CSosEnPolicySimStatusMonitor::IsReadingAllowed

// 

// Checks sim state from system agent

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

// 

TBool CSosEnPolicySimStatusMonitor::IsReadingAllowed()

    {

    TInt state = KErrGeneral;

    iProperty.Get( state );

    return TranslateState( state );

    }

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

// CSosEnPolicySimStatusMonitor::IssueRequest

// 

// Issue notify request to System agent.

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

//        

void CSosEnPolicySimStatusMonitor::IssueRequest()

    {

    iProperty.Subscribe( iStatus );

    SetActive();

    }

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

// CSosEnPolicySimStatusMonitor::TranslateState

// 

// Translate the state information.

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

// 

TBool CSosEnPolicySimStatusMonitor::TranslateState( TInt aState )

    {

    switch ( aState )

        {

            return EFalse;

        }

    }

//  End of File