--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/dputility/src/rmtpdpsingletons.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,157 @@
+// 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 <mtp/mmtpdataproviderframework.h>
+#include <mtp/cmtpobjectmetadata.h>
+
+
+// Class constants.
+__FLOG_STMT(_LIT8(KComponent,"DataProviderSingletons");)
+
+/**
+Constructor.
+*/
+EXPORT_C RMTPDpSingletons::RMTPDpSingletons() :
+    iSingletons(NULL)
+    {
+    }
+
+/**
+Opens the singletons reference.
+*/
+EXPORT_C void RMTPDpSingletons::OpenL(MMTPDataProviderFramework& aFramework)
+    {
+    __FLOG_OPEN(KMTPSubsystem, KComponent);
+    __FLOG(_L8("OpenL - Entry"));
+    iFramework = &aFramework;
+    iSingletons = &CSingletons::OpenL(aFramework);
+    __FLOG(_L8("OpenL - Exit"));
+    }
+    
+/**
+Closes the singletons reference.
+*/
+EXPORT_C void RMTPDpSingletons::Close()
+    {
+    __FLOG(_L8("Close - Entry"));
+    if (iSingletons)
+        {
+        iSingletons->Close();
+        iSingletons = NULL;
+        }
+    __FLOG(_L8("Close - Exit"));
+    __FLOG_CLOSE;
+    }
+
+
+/**
+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)
+    {
+    __FLOG_STATIC(KMTPSubsystem, KComponent, _L8("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();
+        }
+    __FLOG_STATIC(KMTPSubsystem, KComponent, _L8("CSingletons::OpenL - Exit"));
+    return *self;
+    }
+    
+void RMTPDpSingletons::CSingletons::Close()
+    {
+    CSingletons* self(reinterpret_cast<CSingletons*>(Dll::Tls()));
+    if (self)
+        {
+        __FLOG(_L8("CSingletons::Close - Entry"));
+        self->Dec();
+        if (self->AccessCount() == 0)
+            {
+            __FLOG(_L8("CSingletons::Close - Exit"));
+            delete self;
+            Dll::SetTls(NULL);
+            }
+        else
+            {
+            __FLOG(_L8("CSingletons::Close - Exit"));
+            }
+        }
+    }
+    
+RMTPDpSingletons::CSingletons::~CSingletons()
+    {
+    __FLOG(_L8("CSingletons::~CSingletons - Entry"));
+    iExclusionList.Close();
+    iMTPUtility.Close();
+    __FLOG(_L8("CSingletons::~CSingletons - Exit"));
+    __FLOG_CLOSE;
+    }
+    
+void RMTPDpSingletons::CSingletons::ConstructL(MMTPDataProviderFramework& aFramework)
+    {
+    __FLOG_OPEN(KMTPSubsystem, KComponent);
+    __FLOG(_L8("CSingletons::ConstructL - Entry"));
+    
+    iMTPUtility.OpenL(aFramework);
+    
+    __FLOG(_L8("CSingletons::ConstructL - Exit"));
+    }
+
+EXPORT_C RMTPUtility& RMTPDpSingletons::MTPUtility() const
+	{
+	return iSingletons->iMTPUtility;
+	}