/*

* Copyright (c) 2004 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:   Methods for NcnMsvSessionObserverBase class.

*

*/

// INCLUDE FILES

#include    <msvids.h>                      // Entry Ids

#include    <MuiuMsvUiServiceUtilities.h>   // Messaging utilites

#include	<PSVariables.h>

#include	<mmsconst.h>					// KUidMsgSubTypeMmsAudioMsg

#include    "NcnDebug.h"

#include    "NcnMsvSessionObserverBase.h"

#include    "NcnModelBase.h"

#include    "NcnHandlerAudio.h"

#include    "CNcnMsvSessionHandler.h"

// CONSTANTS

const TInt KNcnSMSInitRetryCount  = 20;

const TTimeIntervalMicroSeconds32 KNcnSMSInitMaxSleepTime  = 2000000; // 2 seconds

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

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

// might leave.

//

CNcnMsvSessionObserverBase::CNcnMsvSessionObserverBase( 

    CNcnModelBase* aModel ) : 

    iModel( aModel )

    {

    // empty

    }

// Symbian OS default constructor can leave.

void CNcnMsvSessionObserverBase::ConstructL()

    {

    // add msv session handler observer

    iModel->MsvSessionHandler().AddObserverL( this );

    }

// Destructor

CNcnMsvSessionObserverBase::~CNcnMsvSessionObserverBase()

    {

    if( iModel )

        {

        // remove msv session handler observer

        iModel->MsvSessionHandler().RemoveObserver( this );

        }

    // deletate to session close handler

    TRAP_IGNORE( HandleMsvSessionClosedL() );

    }

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

// NcnMsvSessionObserverBase::HandleMsvSessionReadyL

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

//

void CNcnMsvSessionObserverBase::HandleMsvSessionReadyL(

    CMsvSession& aMsvSession )

    {

    // check if there is sms service present in the device.

    CMsvEntrySelection* sel = NULL;

    TInt err;

    TTimeIntervalMicroSeconds32 waitTime = 100000; // 0,1 s

    for( int i = 0; i < KNcnSMSInitRetryCount; ++i )

	    {

	    TRAP( err, sel = MsvUiServiceUtilities::GetListOfAccountsWithMTML( 

				aMsvSession, KNcnSmsUid, ETrue ) );

		NCN_RDEBUG_INT( _L("CNcnMsvSessionObserverBase::HandleMsvSessionReadyL: MsvUiServiceUtilities::GetListOfAccountsWithMTML returned %d"), err );

		if( err != KErrNone )		

			{

		    if( sel )

		    	{

		    	sel->Reset();

		    	delete sel;

		    	sel = NULL;

		    	}			

			NCN_RDEBUG_INT( _L("CNcnMsvSessionObserverBase::HandleMsvSessionReadyL: waiting #%d"), i + 1 );			

			NCN_RDEBUG_INT( _L("CNcnMsvSessionObserverBase::HandleMsvSessionReadyL: Waiting %d microseconds"), waitTime.Int() );			

			User::After( waitTime ); // CSI: 92 # We must use sleep here before we try to read sms status next time

            if( waitTime < KNcnSMSInitMaxSleepTime )

                {

			    waitTime = waitTime.Int() * 2;

                }

            else                

                {

                waitTime = KNcnSMSInitMaxSleepTime;

                }

			NCN_RDEBUG( _L("CNcnMsvSessionObserverBase::HandleMsvSessionReadyL: Waiting for timer... DONE") );			

			}

		else

			{

			// SMS status successfully read

			break; 				

			}			

	    }

    // set sms service status to the model

    if( sel )

	    {

		NCN_RDEBUG_INT( _L("CNcnMsvSessionObserverBase::HandleMsvSessionReadyL: %d entries found"), sel->Count() );	    

	    iModel->SmsServicePresent( sel->Count() != 0 );

	    delete sel;

	    sel = NULL;

	    }

	else 

		{

		NCN_RDEBUG( _L("CNcnMsvSessionObserverBase::HandleMsvSessionReadyL: 0 entries found") );		

		iModel->SmsServicePresent( EFalse );					

		}

    // get inbox folder

    iInboxFolder = 	

    	CMsvEntry::NewL( 

			aMsvSession,

			KMsvGlobalInBoxIndexEntryId,

			TMsvSelectionOrdering( KMsvNoGrouping, EMsvSortByDateReverse, ETrue ) );        

    iInboxFolder->AddObserverL( *this );     

    NCN_RDEBUG( _L("CNcnMsvSessionObserverBase::HandleMsvSessionReadyL: DONE") );

    }

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

// NcnMsvSessionObserverBase::HandleMsvSessionClosedL

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

//    

void CNcnMsvSessionObserverBase::HandleMsvSessionClosedL()

    {

    NCN_RDEBUG( _L("CNcnMsvSessionObserverBase::HandleMsvSessionClosedL >>") );

    if( iInboxFolder ) 

        {

        iInboxFolder->RemoveObserver( *this );

        delete iInboxFolder;

        iInboxFolder = NULL;

        }

    NCN_RDEBUG( _L("CNcnMsvSessionObserverBase::HandleMsvSessionClosedL <<") );

    }    

// End of file