--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/devdp/src/rmtpdevicedpsingletons.cpp	Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,156 @@
+// 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 <e32std.h>
+#include "cmtpdevicedatastore.h"
+#include "cmtpdevicedpconfigmgr.h"
+#include "cmtpstoragewatcher.h"
+#include "rmtpdevicedpsingletons.h"
+
+// Class constants.
+__FLOG_STMT(_LIT8(KComponent,"DeviceDpSingletons");)
+
+/**
+Constructor.
+*/
+RMTPDeviceDpSingletons::RMTPDeviceDpSingletons() :
+    iSingletons(NULL)
+    {
+    
+    }
+
+/**
+Opens the singletons reference.
+*/
+void RMTPDeviceDpSingletons::OpenL(MMTPDataProviderFramework& aFramework)
+    {
+    __FLOG_OPEN(KMTPSubsystem, KComponent);
+    __FLOG(_L8("OpenL - Entry"));
+    iSingletons = &CSingletons::OpenL(aFramework);
+    __FLOG(_L8("OpenL - Exit"));
+    }
+    
+/**
+Closes the singletons reference.
+*/
+void RMTPDeviceDpSingletons::Close()
+    {
+    __FLOG(_L8("Close - Entry"));
+    if (iSingletons)
+        {
+        iSingletons->Close();
+        iSingletons = NULL;
+        }
+    __FLOG(_L8("Close - Exit"));
+    __FLOG_CLOSE;
+    }
+
+/**
+Provides a handle to the MTP device data provider's device information data 
+store singleton.
+@return The device information data store singleton.
+*/
+CMTPDeviceDataStore& RMTPDeviceDpSingletons::DeviceDataStore()
+    {
+    __FLOG(_L8("DeviceDataStore - Entry"));
+    __ASSERT_DEBUG(iSingletons, User::Invariant());
+    __ASSERT_DEBUG(iSingletons->iDeviceDataStore, User::Invariant());
+    __FLOG(_L8("DeviceDataStore - Exit"));
+    return *iSingletons->iDeviceDataStore;
+    }
+
+/**
+Provides a handle to the MTP device data provider's config manager singleton.
+@return The device config manager singleton.
+*/
+    
+CMTPDeviceDpConfigMgr& RMTPDeviceDpSingletons::ConfigMgr()
+	{
+    __FLOG(_L8("ConfigMgr - Entry"));
+    __ASSERT_DEBUG(iSingletons, User::Invariant());
+    __ASSERT_DEBUG(iSingletons->iConfigMgr, User::Invariant());
+    __FLOG(_L8("ConfigMgr - Exit"));
+    return *iSingletons->iConfigMgr;
+	}
+
+RMTPDeviceDpSingletons::CSingletons* RMTPDeviceDpSingletons::CSingletons::NewL(MMTPDataProviderFramework& aFramework)
+    {
+    CSingletons* self(new(ELeave) CSingletons());
+    CleanupStack::PushL(self);
+    self->ConstructL(aFramework);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+RMTPDeviceDpSingletons::CSingletons& RMTPDeviceDpSingletons::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 RMTPDeviceDpSingletons::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"));
+            }
+        }
+    }
+    
+RMTPDeviceDpSingletons::CSingletons::~CSingletons()
+    {
+    __FLOG(_L8("CSingletons::~CSingletons - Entry"));
+    delete iConfigMgr;
+    delete iDeviceDataStore;
+    __FLOG(_L8("CSingletons::~CSingletons - Exit"));
+    __FLOG_CLOSE;
+    }
+    
+void RMTPDeviceDpSingletons::CSingletons::ConstructL(MMTPDataProviderFramework& aFramework)
+    {
+    __FLOG_OPEN(KMTPSubsystem, KComponent);
+    __FLOG(_L8("CSingletons::ConstructL - Entry"));
+    iDeviceDataStore = CMTPDeviceDataStore::NewL();
+    iConfigMgr = CMTPDeviceDpConfigMgr::NewL(aFramework);
+    __FLOG(_L8("CSingletons::ConstructL - Exit"));
+    }
+