/*

* Copyright (c) 2002-2007 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:  Observes SIM Access Profile status changes.

*

*/

#include    <MSatShellController.h>

#include    <BTSapDomainPSKeys.h>

#include    "MSatUiSession.h"

#include    "MSatSUiClientHandler.h"

#include    "TSatSystemStateFactory.h"

#include    "MSatSystemStateChangeNotifier.h"

#include    "CSatSAPChangeObserver.h"

#include    "SatLog.h"

#include    "CSatCommandContainer.h"

#include    "CSatSUiClientHandler.h"

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

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

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

// might leave.

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

//

CSatSAPChangeObserver::CSatSAPChangeObserver(

    CSatCommandContainer& aContainer ) :

    iContainer( aContainer )

    {

    LOG( SIMPLE, "SATENGINE: CSatSAPChangeObserver::CSatSAPChangeObserver\

         calling-exiting" )

    }

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

// Two-phased constructor.

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

//

CSatSAPChangeObserver* CSatSAPChangeObserver::NewL(

    CSatCommandContainer& aContainer )

    {

    LOG( SIMPLE, "SATENGINE: CSatSAPChangeObserver::NewL calling" )

    CSatSAPChangeObserver* self =

        new ( ELeave ) CSatSAPChangeObserver( aContainer );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    LOG( SIMPLE, "SATENGINE: CSatSAPChangeObserver::NewL exiting" )

    return self;

    }

// Destructor

CSatSAPChangeObserver::~CSatSAPChangeObserver()

    {

    LOG( SIMPLE,

        "SATENGINE: CSatSAPChangeObserver::~CSatSAPChangeObserver calling" )

    if ( iStateNotifier )

        {

        iStateNotifier->CancelNotify();

        delete iStateNotifier;

        iStateNotifier = NULL;

        }

    LOG( SIMPLE,

        "SATENGINE: CSatSAPChangeObserver::~CSatSAPChangeObserver exiting" )

    }

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

// Two-phased constructor.

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

//

void CSatSAPChangeObserver::ConstructL()

    {

    LOG( SIMPLE, "SATENGINE: CSatSAPChangeObserver::ConstructL calling" )

    iStateNotifier =

        TSatSystemStateFactory::CreateSIMAccessProfileChangeNotifierL( *this );

    // Start observer immediately

    iStateNotifier->NotifyChangeL();

    LOG( SIMPLE, "SATENGINE: CSatSAPChangeObserver::ConstructL exiting" )

    }

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

// Two-phased constructor.

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

//

void CSatSAPChangeObserver::StateChanged( const TInt aValue )

    {

    LOG2( SIMPLE,

        "SATENGINE: CSatSAPChangeObserver::StateChanged calling with value %d",

        aValue )

    TInt error( KErrNone );

    // If value is true, stop all command handlers and remove

    // SAT Icon from Application Shell.

    if ( EBTSapConnecting == aValue ||

         EBTSapConnected == aValue )

        {

        // SIM Access Profile activated.

        // Notify listeners about SAT UI icon removing from Application Shell.

        // This should be notified before command handlers are stopped.

        iContainer.NotifyEvent( MSatUtils::ERemoveSatUiCalled );

        // Then stop command handlers and remove SAT UI from Application Shell.

        iContainer.StopCommandHandlers();

        }

    else if ( EBTSapNotConnected == aValue )

        {

        LOG( SIMPLE, "SATENGINE: CSatSAPChangeObserver::StateChanged \

             EBTSapNotConnected" )

        // Start command handlers

        TRAP( error,

            iContainer.StartCommandHandlersL();

            ); // End of TRAP

        if ( KErrNone != error )

            {

            LOG2( SIMPLE, "SATENGINE: CSatSAPChangeObserver::StateChanged \

                failed to recover from SAP: %i", error )

            }

        // Notify listeners about SAT UI icon adding.

        iContainer.NotifyEvent( MSatUtils::EAddSatUiCalled );

        }

    else

        {

        LOG( SIMPLE, "SATENGINE:   Unexpected value" )

        }

    LOG2( SIMPLE, "SATENGINE: CSatSAPChangeObserver::StateChanged exiting, \

          error: %d",error )

    }