/*

 * Copyright (c) 2005-2010 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:

 * CSysApCenRepOfflineModeObserver is a an observer for the Offline Mode central Repository key.

 * This class handles the changes to the offline mode changes done from Power Menu or Control Panel 

 *

 */

#include "sysapcenrepofflinemodeobserver.h"

#include "CoreApplicationUIsSDKCRKeys.h"

#include "SysAp.hrh"

#ifdef _DEBUG

#include <e32debug.h>

#endif

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

// CSysApCenRepOfflineModeObserver::NewL( MSysApOfflineModeController& )

// Creates an instance of CSysApCenRepOfflineModeObserver and returns

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

CSysApCenRepOfflineModeObserver* CSysApCenRepOfflineModeObserver::NewL( 

                    MSysApOfflineModeController& aSysApOfflineModeController )

    {

    TRACES( RDebug::Printf("CSysApCenRepOfflineModeObserver::NewL") );

    CSysApCenRepOfflineModeObserver* self = 

    new (ELeave) CSysApCenRepOfflineModeObserver(aSysApOfflineModeController);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop(); //self

    return self;

    }

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

// CSysApCenRepOfflineModeObserver::CSysApCenRepOfflineModeObserver( MSysApOfflineModeController& )

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

CSysApCenRepOfflineModeObserver::CSysApCenRepOfflineModeObserver( 

                MSysApOfflineModeController& aSysApOfflineModeController  )

            : iSysApOfflineModeController( aSysApOfflineModeController )

    {

    TRACES( RDebug::Printf("CSysApCenRepOfflineModeObserver::CSysApCenRepOfflineModeObserver" ) );

    }

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

// CSysApCenRepOfflineModeObserver::~CSysApCenRepOfflineModeObserver()

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

CSysApCenRepOfflineModeObserver::~CSysApCenRepOfflineModeObserver()

    {

    TRACES( RDebug::Printf("~CSysApCenRepOfflineModeObserver" ) );

    if( iOfflineModeHandler )

    {

    iOfflineModeHandler->StopListening();

    }

    delete iOfflineModeHandler;

    delete iOfflineCenRep;

    }

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

// CSysApCenRepOfflineModeObserver::ConstructL()

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

void CSysApCenRepOfflineModeObserver::ConstructL()

    {

    TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::ConstructL: trying CRepository::NewL(KCRUidCoreApplicationUIs)"));

    iOfflineCenRep = CRepository::NewL( KCRUidCoreApplicationUIs );

    iOfflineModeHandler =

    CCenRepNotifyHandler::NewL( *this,

    *iOfflineCenRep,

    CCenRepNotifyHandler::EIntKey,

    KCoreAppUIsNetworkConnectionAllowed );

    iOfflineModeHandler->StartListeningL();    

    }

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

// CSysApCenRepOfflineModeObserver::HandleNotifyInt()

// Handles the changes to offline mode state

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

void CSysApCenRepOfflineModeObserver::HandleNotifyInt( TUint32 aId, TInt aNewValue  )

    {

    TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyInt(), aId=0x%x, aNewValue=%d", aId, aNewValue));    

    if ( aId == KCoreAppUIsNetworkConnectionAllowed )

    {

        if( aNewValue == ECoreAppUIsNetworkConnectionNotAllowed )

        {

        // Offline mode enabled. Go Offline

        TRACES( RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyInt() Offline mode Enabled"));

        // Ignore any leave because it will have already been handled by showing an 

        // error notification to the user

        TRAP_IGNORE(iSysApOfflineModeController.SwitchFromOnlineToOfflineModeL());

        }

    else if( aNewValue == ECoreAppUIsNetworkConnectionAllowed )

    {

        // Offline mode disabled. Go Online

        TRACES( RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyInt() Offline mode Disabled"));

        // Ignore any leave because it will have already been handled by showing an 

        // error notification to the user

        TRAP_IGNORE(iSysApOfflineModeController.GoOnlineIfOkL());

    }

    else

    {		

        // Any other value is invalid	

        TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyInt() Invalid Value %d", aNewValue));

    }

    }

    }

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

// CSysApCenRepOfflineModeObserver::HandleNotifyError()

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

void CSysApCenRepOfflineModeObserver::HandleNotifyError( TUint32, TInt, CCenRepNotifyHandler* )

    {

    TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::HandleNotifyError()"));

    // Nothing to do if start listening leaves

    TRAP_IGNORE(iOfflineModeHandler->StartListeningL());    

    }

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

// CSysApCenRepOfflineModeObserver::IsOffline()

// Fetches the Cen Rep for Offline mode and 

// Return true if Offline mode is enabled, false otherwise

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

TBool CSysApCenRepOfflineModeObserver::IsOffline() const

    {

    TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::IsOffline"));

    TBool nwConnAllowed = ETrue;

    iOfflineCenRep->Get(KCoreAppUIsNetworkConnectionAllowed, nwConnAllowed);

    TRACES(RDebug::Printf("CSysApCenRepOfflineModeObserver::IsOffline returns %d",!nwConnAllowed));

    return !nwConnAllowed;

    }