/*

* Copyright (c) 2008 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:  DriveUtilities - platform independent

*

*/

#if defined(__SYMBIAN32__) && defined(__WINSCW__)

#include <e32std.h>

#include <e32def.h>

#include <e32cmn.h>

#include <pls.h>

#endif

#include "logger.h"

#include "driveobserverclient.h"

#include "driveobserverserver.h"

#include "driveutilities.h"

namespace java

{

namespace fileutils

{

// Empty declaration for a pure virtual destructor

DriveObserverServerInterface::~DriveObserverServerInterface()

{}

OS_EXPORT void DriveUtilities::getAccesibleDrives(driveInfos& aDriveInfos)

{

    JELOG2(EJavaFile);

    getAllDrives(aDriveInfos);

    for (driveInfos::iterator iter = aDriveInfos.begin() ; iter != aDriveInfos.end() ;)

    {

        if (iter->iIsPresent)

        {

            iter++;

        }

        else

        {

            iter = aDriveInfos.erase(iter);

        }

    }

}

#if defined(__SYMBIAN32__) && defined(__WINSCW__)

DriveObserverClient* getObserverInstance()

{

    // Access the PLS of this process

    DriveObserverClient* instance  = Pls<DriveObserverClient>(TUid::Uid(0x20022FB6));

    return instance;

}

void deleteObserverInstance()

{

}

#else

static DriveObserverClient* sDOinstance = 0;

DriveObserverClient* getObserverInstance()

{

    if (sDOinstance == 0)

    {

        sDOinstance = new DriveObserverClient();

    }

    return sDOinstance;

}

void deleteObserverInstance()

{

    if (sDOinstance)

    {

        delete sDOinstance;

        sDOinstance = 0;

    }

}

#endif

OS_EXPORT void DriveUtilities::registerListener(DriveListenerInterface* aListener,

        const int& aServerCommsAddress)

{

    getObserverInstance()->registerListener(aListener, aServerCommsAddress);

}

OS_EXPORT void DriveUtilities::unregisterListener(DriveListenerInterface* aListener,

        const int& aServerCommsAddress)

{

    if (0 == getObserverInstance()->unregisterListener(aListener,

            aServerCommsAddress))

    {

        deleteObserverInstance();

    }

}

OS_EXPORT DriveObserverServerInterface* DriveUtilities::getDriveObserverServer()

{

    JELOG2(EJavaFile);

    return new DriveObserverServer();

}

} // end of namespace fileutils

} // end of namespace java