// Copyright (c) 2006-2009 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:

//

/**

 @file

 @internalComponent

*/

#include "cmtpusbconnection.h"

#include "cmtpusbepwatcher.h"

__FLOG_STMT(_LIT8(KComponent,"UsbEpWatcher");)

/**

USB MTP device class endpoint stall status observer factory method.

@return A pointer to an USB MTP device class endpoint stall status 

observer object. Ownership IS transfered.

@leave One of the system wide error codes, if a processing failure occurs.

*/

CMTPUsbEpWatcher* CMTPUsbEpWatcher::NewL(CMTPUsbConnection& aConnection)

    {

    CMTPUsbEpWatcher* self = new (ELeave) CMTPUsbEpWatcher(aConnection);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

/**

Destructor.

*/

CMTPUsbEpWatcher::~CMTPUsbEpWatcher()

    {

    __FLOG(_L8("~CMTPUsbEpWatcher - Entry"));

    Cancel();

    __FLOG(_L8("~CMTPUsbEpWatcher - Exit"));

    __FLOG_CLOSE;

    }

void CMTPUsbEpWatcher::Start()

    {

    __FLOG(_L8("Start - Entry"));

    if (!IsActive())

        {

        RequestIssue();

        }

    __FLOG(_L8("Start - Exit"));

    }

void CMTPUsbEpWatcher::Stop()

    {

    __FLOG(_L8("Stop - Entry"));

    Cancel();

    __FLOG(_L8("Stop - Exit"));

    }

void CMTPUsbEpWatcher::DoCancel()

    {

    __FLOG(_L8("DoCancel - Entry"));    

    RequestCancel();

    __FLOG(_L8("DoCancel - Exit"));  

    }

#ifdef __FLOG_ACTIVE

TInt CMTPUsbEpWatcher::RunError(TInt aError)

#else

TInt CMTPUsbEpWatcher::RunError(TInt /*aError*/)

#endif

    {

    __FLOG(_L8("RunError - Entry"));

    __FLOG_VA((_L8("Error = %d"), aError));

    __FLOG(_L8("RunError - Exit"));

    RequestIssue();

    return KErrNone;  

    }

void CMTPUsbEpWatcher::RunL()

    {

    __FLOG(_L8("RunL - Entry"));

    iConnection.EndpointStallStatusChangedL(iEndpointStatus);

    RequestIssue();

    __FLOG(_L8("RunL - Exit"));  

    }

CMTPUsbEpWatcher::CMTPUsbEpWatcher(CMTPUsbConnection& aConnection) :

    CActive(EPriorityStandard),

    iConnection(aConnection)

    {

    CActiveScheduler::Add(this);

    }

void CMTPUsbEpWatcher::ConstructL()

    {

    __FLOG_OPEN(KMTPSubsystem, KComponent);

    __FLOG(_L8("ConstructL - Entry"));    

    __FLOG(_L8("ConstructL - Exit")); 

    }

void CMTPUsbEpWatcher::RequestCancel()

    {

    __FLOG(_L8("RequestCancel - Entry"));    

    iConnection.Ldd().EndpointStatusNotifyCancel();

    __FLOG(_L8("RequestCancel - Exit")); 

    }

void CMTPUsbEpWatcher::RequestIssue()

    {

    __FLOG(_L8("RequestIssue - Entry"));    

    iConnection.Ldd().EndpointStatusNotify(iStatus, iEndpointStatus);

    SetActive();

    __FLOG(_L8("RequestIssue - Exit")); 

    }