/*

 * Copyright (c) 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:   Implements the class

 *

 */

// INCLUDE FILES

#include <e32def.h>

#include <msvids.h>              // Entry Ids

#include <e32property.h>

#include <PSVariables.h>

#include "coutboxsender.h"

#include "coutboxobserver.h"

#include "cmobilesignalstrengthhandler.h"

#include "debugtraces.h"

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

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

// COutboxObserver::COutboxObserver

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

//

COutboxObserver::COutboxObserver(){}

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

// COutboxObserver::ConstructL

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

//

void COutboxObserver::ConstructL()

{

    QDEBUG_WRITE( "COutboxObserver::ConstructL Enter" );

    // instantiate the signal strength handler

    iSignalStrengthHandler = CMobileSignalStrengthHandler::NewL();

    if (iSignalStrengthHandler->ObservingSupported()) 

    {

        iSignalStrengthHandler->SetSignalStrengthObserverL(this);

        iSignalStrengthHandler->StartObservingL();

    }

    else 

    {

        QDEBUG_WRITE( "COutboxObserver::ConstructL else part" );

    }

    QDEBUG_WRITE( "COutboxObserver::ConstructL Exit" );

}

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

// COutboxObserver::NewL

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

//

COutboxObserver* COutboxObserver::NewL()

{

    // Create the instance of the outbox observer

    COutboxObserver* self = new (ELeave) COutboxObserver();

    // Push it to stack while executing the constructor

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

}

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

// COutboxObserver::~COutboxObserver

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

//

COutboxObserver::~COutboxObserver()

{

    delete iSignalStrengthHandler;

    EndSessions();

}

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

// COutboxObserver::SignalStrengthUpdatedL

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

//

void COutboxObserver::SignalStrengthAndBarUpdatedL(TInt /*aNewSignalValue*/, TInt aNewBarValue)

{

    QDEBUG_WRITE_FORMAT( "COutboxObserver::SignalStrengthUpdatedL - Signal bars ", aNewBarValue );

    // pass new bar value to outbox sender

    InformOutboxSenderL(aNewBarValue);

}

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

// COutboxObserver::InformOutboxSenderL

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

//

void COutboxObserver::InformOutboxSenderL(const TInt& aNetworkBars)

{

    if (iOutboxSender) {

        QDEBUG_WRITE( "COutboxObserver::InformOutboxSenderL - Informing outbox sender." );

        iOutboxSender->CheckAndStartSendingL(aNetworkBars);

    }

    else {

        QDEBUG_WRITE( "COutboxObserver::InformOutboxSenderL - Outbox sender not initialized." );

    }

}

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

// COutboxObserver::StartSessionsL

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

//

void COutboxObserver::StartSessionsL(CMsvSession& aMsvSession)

{

    // Set outbox folder

    iOutboxFolder = aMsvSession.GetEntryL(KMsvGlobalOutBoxIndexEntryId);

    iOutboxFolder->AddObserverL(*this);

    // Remove the Sender, if it exists

    delete iOutboxSender;

    iOutboxSender = NULL;

    QDEBUG_WRITE("COutboxObserver::StartSessionsL - Initializing outbox sender.." );

    iOutboxSender = COutboxSender::NewL(aMsvSession);

    QDEBUG_WRITE( "COutboxObserver::StartSessionsL - Informing outbox sender of network status.." );

    // get current signal bar value

    TInt signalBars = 0;

    TRAPD( err, signalBars = iSignalStrengthHandler->BarValueL() );

    // check error

    if (err == KErrNone) 

    {

        QDEBUG_WRITE_FORMAT("COutboxObserver::StartSessionsL - Got signal bar value notifying..", signalBars );

        iOutboxSender->CheckAndStartSendingL(signalBars);

    }

    else 

    {

        QDEBUG_WRITE_FORMAT( "COutboxObserver::StartSessionsL - Failed to get signal bar value (err = )", err );

    }

}

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

// COutboxObserver::EndSessions

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

//

void COutboxObserver::EndSessions()

{

    // Delete Outbox sender

    delete iOutboxSender;

    iOutboxSender = NULL;

    if (iOutboxFolder) {

        // Delete outbox folder

        iOutboxFolder->RemoveObserver(*this);

        delete iOutboxFolder;

        iOutboxFolder = NULL;

    }

}

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

// COutboxObserver::HandleMsvSessionReadyL

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

//    

void COutboxObserver::HandleMsvSessionReadyL(CMsvSession& aMsvSession)

{

    StartSessionsL(aMsvSession);

}

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

// COutboxObserver::HandleMsvSessionClosedL

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

//    

void COutboxObserver::HandleMsvSessionClosedL()

{

    EndSessions();

}

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

// COutboxObserver::HandleEntryEventL

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

//

void COutboxObserver::HandleEntryEventL(TMsvEntryEvent /*aEvent*/, TAny* /*aArg1*/,

    TAny* /*aArg2*/, TAny* /*aArg3*/)

{

}

//  End of File