// 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:

//

#include "rmtpdpsingletons.h"

#include "cmtpfsentrycache.h"

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/cmtpobjectmetadata.h>

#include "OstTraceDefinitions.h"

#ifdef OST_TRACE_COMPILER_IN_USE

#include "rmtpdpsingletonsTraces.h"

#endif

/**

Constructor.

*/

EXPORT_C RMTPDpSingletons::RMTPDpSingletons() :

    iSingletons(NULL)

    {

    }

/**

Opens the singletons reference.

*/

EXPORT_C void RMTPDpSingletons::OpenL(MMTPDataProviderFramework& aFramework)

    {

    OstTraceFunctionEntry0( RMTPDPSINGLETONS_OPENL_ENTRY );

    iFramework = &aFramework;

    iSingletons = &CSingletons::OpenL(aFramework);

    OstTraceFunctionExit0( RMTPDPSINGLETONS_OPENL_EXIT );

    }

/**

Closes the singletons reference.

*/

EXPORT_C void RMTPDpSingletons::Close()

    {

    OstTraceFunctionEntry0( RMTPDPSINGLETONS_CLOSE_ENTRY );

    if (iSingletons)

        {

        iSingletons->Close();

        iSingletons = NULL;

        }

    OstTraceFunctionExit0( RMTPDPSINGLETONS_CLOSE_EXIT );

    }

/**

This method finds the specific data provider's file system exclusion manager based on the 

DP ID and returns it.

@return the calling data provider's file system exclusion manager

*/	

EXPORT_C CMTPFSExclusionMgr& RMTPDpSingletons::ExclusionMgrL() const

	{

	TExclusionMgrEntry entry = { 0, iFramework->DataProviderId() };

	TInt index = iSingletons->iExclusionList.FindInOrderL(entry, TLinearOrder<TExclusionMgrEntry>(TExclusionMgrEntry::Compare));

	return *(iSingletons->iExclusionList[index].iExclusionMgr);

	}

/**

Inserts the calling data provider's file system exclusion manager to an ordered list 

based on the the DP ID.

@param aExclusionMgr a reference to a data provider's file system exclusion manager.

*/	

EXPORT_C void RMTPDpSingletons::SetExclusionMgrL(CMTPFSExclusionMgr& aExclusionMgr)

	{

	TExclusionMgrEntry entry = { &aExclusionMgr, iFramework->DataProviderId() };

	iSingletons->iExclusionList.InsertInOrderL(entry, TLinearOrder<TExclusionMgrEntry>(TExclusionMgrEntry::Compare));

	}

TInt RMTPDpSingletons::TExclusionMgrEntry::Compare(const TExclusionMgrEntry& aFirst, const TExclusionMgrEntry& aSecond)

	{

	return (aFirst.iDpId - aSecond.iDpId);

	}

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

    {

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

    CleanupStack::PushL(self);

    self->ConstructL(aFramework);

    CleanupStack::Pop(self);

    return self;

    }

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

    {

    OstTraceFunctionEntry0( RMTPDPSIGNGLETONS_CSINGLETONS_OPENL_ENTRY );

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

    if (!self)

        {

        self = CSingletons::NewL(aFramework);

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

        }

    else

        {        

        self->Inc();

        }

    OstTraceFunctionExit0( RMTPDPSIGNGLETONS_CSINGLETONS_OPENL_EXIT );

    return *self;

    }

void RMTPDpSingletons::CSingletons::Close()

    {

    OstTraceFunctionEntry0( CSINGLETONS_CLOSE_ENTRY );    

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

    if (self)

        {

        self->Dec();

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

            {

            delete self;

            Dll::SetTls(NULL);

            OstTraceFunctionExit0( CSINGLETONS_CLOSE_EXIT );

            }

        else

            {

            OstTraceFunctionExit0( DUP1_CSINGLETONS_CLOSE_EXIT );

            }

        }

    }

RMTPDpSingletons::CSingletons::~CSingletons()

    {

    OstTraceFunctionEntry0( CSINGLETONS_CSINGLETONS_DES_ENTRY );

    iExclusionList.Close();

    iMTPUtility.Close();

    delete iCopyingBigFileCache;

    delete iMovingBigFileCache;

    OstTraceFunctionExit0( CSINGLETONS_CSINGLETONS_DES_EXIT );

    }

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

    {

    OstTraceFunctionEntry0( CSINGLETONS_CONSTRUCTL_ENTRY );

    iMTPUtility.OpenL(aFramework);

    iCopyingBigFileCache = CMTPFSEntryCache::NewL();

    iMovingBigFileCache = CMTPFSEntryCache::NewL();

    OstTraceFunctionExit0( CSINGLETONS_CONSTRUCTL_EXIT );

    }

EXPORT_C RMTPUtility& RMTPDpSingletons::MTPUtility() const

	{

	return iSingletons->iMTPUtility;

	}

EXPORT_C CMTPFSEntryCache& RMTPDpSingletons::CopyingBigFileCache() const

  {

  return *(iSingletons->iCopyingBigFileCache);

  }

EXPORT_C CMTPFSEntryCache& RMTPDpSingletons::MovingBigFileCache() const

  {

  return *(iSingletons->iMovingBigFileCache);

  }