// Copyright (c) 2009 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:

//

#include "s60dependency.h"

#include "cmtppictbridgeusbconnection.h"

#include "cmtppictbridgeprinter.h"

#include "ptpdef.h"

#include "OstTraceDefinitions.h"

#include "mtpdebug.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "cmtppictbridgeusbconnectionTraces.h"

#endif

const TInt KNotAssigned=0;

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

// 

// 

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

//

CMTPPictBridgeUsbConnection* CMTPPictBridgeUsbConnection::NewL(CMTPPictBridgePrinter& aPrinter)

    {

    CMTPPictBridgeUsbConnection* self = new(ELeave) CMTPPictBridgeUsbConnection(aPrinter);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

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

// 

// 

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

//    

CMTPPictBridgeUsbConnection::CMTPPictBridgeUsbConnection(CMTPPictBridgePrinter& aPrinter) : CActive(EPriorityStandard),

    iPrinter(aPrinter)

    {

    CActiveScheduler::Add(this);    

    }

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

// 

// 

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

//

void CMTPPictBridgeUsbConnection::ConstructL()    

    {

    OstTraceFunctionEntry0( CMTPPICTBRIDGEUSBCONNECTION_CONSTRUCTL_ENTRY );     

    LEAVEIFERROR(iProperty.Attach(KPSUidUsbWatcher, KUsbWatcherSelectedPersonality),

            OstTrace1( TRACE_ERROR, CMTPPICTBRIDGEUSBCONNECTION_CONSTRUCTL, 

                    "Attaches to the specified property failed. Error code %d", munged_err));

    OstTraceFunctionExit0( CMTPPICTBRIDGEUSBCONNECTION_CONSTRUCTL_EXIT );

    }

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

// 

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

//

CMTPPictBridgeUsbConnection::~CMTPPictBridgeUsbConnection()

    {

    OstTraceFunctionEntry0( CMTPPICTBRIDGEUSBCONNECTION_CMTPPICTBRIDGEUSBCONNECTION_DES_ENTRY );

    Cancel();

    iProperty.Close();

    OstTraceFunctionExit0( CMTPPICTBRIDGEUSBCONNECTION_CMTPPICTBRIDGEUSBCONNECTION_DES_EXIT );

    }

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

// 

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

//

void CMTPPictBridgeUsbConnection::Listen()

    {

	OstTraceFunctionEntry0( CMTPPICTBRIDGEUSBCONNECTION_LISTEN_ENTRY );

    if(!IsActive())

        {

		OstTrace0( TRACE_NORMAL, CMTPPICTBRIDGEUSBCONNECTION_LISTEN, " CMTPPictBridgeUsbConnection AO is NOT active and run AO");

        iProperty.Subscribe(iStatus);

        SetActive();

        if(ConnectionClosed()) // we listen to the disconnection only if connected to the printer

            {

            iPrinter.ConnectionClosed();

            Cancel();    

            }

        }

	OstTraceFunctionExit0( CMTPPICTBRIDGEUSBCONNECTION_LISTEN_EXIT );

    }

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

// 

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

//    

TBool CMTPPictBridgeUsbConnection::ConnectionClosed()

    {

    TInt personality=KNotAssigned;

    TInt ret = RProperty::Get(KPSUidUsbWatcher, KUsbWatcherSelectedPersonality, personality);

    OstTraceExt2( TRACE_NORMAL, CMTPPICTBRIDGEUSBCONNECTION_CONNECTIONCLOSED, 

            " current personality = %d, previous personality = %d", personality, iPreviousPersonality );

    if ((ret == KErrNone && personality == KUsbPersonalityIdMS)

       || (iPreviousPersonality != KNotAssigned && personality != iPreviousPersonality))

        {

        if((personality != KUsbPersonalityIdPCSuiteMTP)&&(personality != KUsbPersonalityIdMTP))

            {

	        OstTrace0( TRACE_WARNING, DUP1_CMTPPICTBRIDGEUSBCONNECTION_CONNECTIONCLOSED, 

	                "****WARNING!!! PTP server detects the USB connection closed!" );

            return ETrue;

            }

        }

    iPreviousPersonality = personality;

    return EFalse;

    }

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

// 

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

//

void CMTPPictBridgeUsbConnection::DoCancel()

    {

    OstTraceFunctionEntry0( CMTPPICTBRIDGEUSBCONNECTION_DOCANCEL_ENTRY );

    iProperty.Cancel();

    OstTraceFunctionExit0( CMTPPICTBRIDGEUSBCONNECTION_DOCANCEL_EXIT );

    }

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

// 

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

//    

void CMTPPictBridgeUsbConnection::RunL()

    {

    OstTraceFunctionEntry0( CMTPPICTBRIDGEUSBCONNECTION_RUNL_ENTRY );

    OstTrace1( TRACE_NORMAL, CMTPPICTBRIDGEUSBCONNECTION_RUNL, "iStatus %d", iStatus.Int() );

    TBool closed = EFalse;    

    if( iStatus == KErrNone )

        {

        closed=ConnectionClosed();

        if(closed)

            {

            iPrinter.ConnectionClosed();                

            }

        }

    if(iStatus != KErrCancel && !closed) // if connection not closed, keep on listening

        {

        Listen();

        }

    OstTraceFunctionExit0( CMTPPICTBRIDGEUSBCONNECTION_RUNL_EXIT );

    }

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

// 

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

//    

#ifdef OST_TRACE_COMPILER_IN_USE

TInt CMTPPictBridgeUsbConnection::RunError(TInt aErr)

#else

TInt CMTPPictBridgeUsbConnection::RunError(TInt /*aErr*/)

#endif

    {

    OstTraceFunctionEntry0( CMTPPICTBRIDGEUSBCONNECTION_RUNERROR_ENTRY );

    OstTraceDef1( OST_TRACE_CATEGORY_PRODUCTION, TRACE_IMPORTANT, CMTPPICTBRIDGEUSBCONNECTION_RUNERROR, 

            "error code %d", aErr);

    OstTraceFunctionExit0( CMTPPICTBRIDGEUSBCONNECTION_RUNERROR_EXIT );

    return KErrNone;

    }