// Copyright (c) 2008-2009 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 "rmtpproxydpsingletons.h"

#include "cmtpproxydpconfigmgr.h"

/**

Constructor.

*/

RMTPProxyDpSingletons::RMTPProxyDpSingletons() :

    iSingletons(NULL)

    {

    }

/**

Opens the singletons reference.

*/

void RMTPProxyDpSingletons::OpenL(MMTPDataProviderFramework& aFramework)

    {

    iSingletons = &CSingletons::OpenL(aFramework);

    }

/**

Closes the singletons reference.

*/

void RMTPProxyDpSingletons::Close()

    {

    if (iSingletons)

        {

        iSingletons->Close();

        iSingletons = NULL;

        }

    }

/**

Provides a handle to the MTP proxy data provider's configuration manager.

@return The proxy data provider configuration manager.

*/

CMTPProxyDpConfigMgr& RMTPProxyDpSingletons::FrameworkConfig()

    {

    __ASSERT_DEBUG(iSingletons, User::Invariant());

    __ASSERT_DEBUG(iSingletons->iConfigMgr, User::Invariant());

    return *iSingletons->iConfigMgr;

    }

RMTPProxyDpSingletons::CSingletons* RMTPProxyDpSingletons::CSingletons::NewL(MMTPDataProviderFramework& aFramework)

    {

    CSingletons* self(new(ELeave) CSingletons());

    CleanupStack::PushL(self);

    self->ConstructL(aFramework);

    CleanupStack::Pop(self);

    return self;

    }

RMTPProxyDpSingletons::CSingletons& RMTPProxyDpSingletons::CSingletons::OpenL(MMTPDataProviderFramework& aFramework)

    {

    CSingletons* self(reinterpret_cast<CSingletons*>(Dll::Tls()));

    if (!self)

        {

        self = CSingletons::NewL(aFramework);

        Dll::SetTls(reinterpret_cast<TAny*>(self));

        }

    else

        {        

        self->Inc();

        }

    return *self;

    }

void RMTPProxyDpSingletons::CSingletons::Close()

    {

    CSingletons* self(reinterpret_cast<CSingletons*>(Dll::Tls()));

    if (self)

        {

        self->Dec();

        if (self->AccessCount() == 0)

            {

            delete self;

            Dll::SetTls(NULL);

            }

        }

    }

RMTPProxyDpSingletons::CSingletons::~CSingletons()

    {

    delete iConfigMgr;

    }

void RMTPProxyDpSingletons::CSingletons::ConstructL(MMTPDataProviderFramework& aFramework)

    {

    iConfigMgr = CMTPProxyDpConfigMgr::NewL(aFramework);

    }