--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/systemstatemgr/cmd/src/ssmdeferreddeleter.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,124 @@
+// 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 <e32const.h>
+
+#include "ssmdeferreddeleter.h"
+#include "ssmcommandlistimpl.h"
+#include <ssm/ssmcommand.h>
+#include "ssmdebug.h"
+#include "ssmpanic.h"
+
+#ifdef _DEBUG
+const TInt KMilliSecondsInOneSecond = 1000000;
+const TInt KMilliSecondsInFiveSeconds = 5000000;
+#endif
+
+CSsmDeferredDeleter* CSsmDeferredDeleter::NewL()
+	{
+	CSsmDeferredDeleter* self = new (ELeave) CSsmDeferredDeleter;
+#ifdef _DEBUG
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+#endif
+	return self;
+	}
+
+CSsmDeferredDeleter::~CSsmDeferredDeleter()
+	{
+	Cancel();
+	delete iCommandList;
+#ifdef _DEBUG
+	DEBUGPRINT1A("All deferred commands completed and command list is deleted.");
+	delete iTimer;
+#endif
+	}
+
+void CSsmDeferredDeleter::RunL()
+	{
+	TInt indexOfPendingCommand = iCommandList->PendingCommandIndex();
+	if (KErrNotFound == indexOfPendingCommand)
+		{
+		// all commands are finished
+		delete this;
+		}
+	else
+		{
+		//register for pending command
+		SetActive();
+		MSsmCommand* cmd = (MSsmCommand*)((*iCommandList)[indexOfPendingCommand]);
+		// if cmd is NULL then this object would register for next pending command when RunL() is called next time.
+		if (cmd)
+			{
+			cmd->RegisterCompletionObserver(iStatus);
+			}
+		}
+	}
+
+void CSsmDeferredDeleter::DoCancel()
+	{
+#ifdef _DEBUG
+	if (iTimer)
+		{
+		iTimer->Cancel();
+		}
+#endif	
+	}
+
+CSsmDeferredDeleter::CSsmDeferredDeleter()
+	: CActive(EPriorityIdle)
+	{
+	}
+
+/**
+@panic ECmdNullPtr if the information used to create command is null
+*/
+void CSsmDeferredDeleter::DeferredDelete(CSsmCommandListImpl* aCommandList)
+	{
+	__ASSERT_DEBUG(aCommandList, PanicNow(KPanicDeferredDeleter, ECmdNullPtr));
+	iCommandList = aCommandList;
+	CActiveScheduler::Add(this);
+	SetActive();
+	TRequestStatus* status = &iStatus;
+	User::RequestComplete(status, KErrNone);
+	}
+
+#ifdef _DEBUG
+TInt CSsmDeferredDeleter::TimeoutCallback(TAny* aSelf)
+	{
+	if (aSelf)
+		{
+		static_cast<CSsmDeferredDeleter*>(aSelf)->PrintWarning();
+		}
+	return KErrNone;
+	}
+
+void CSsmDeferredDeleter::PrintWarning()
+	{
+	DEBUGPRINT1A("Warning: Deferred deleter is waiting for pending command!!!");
+	}
+
+void CSsmDeferredDeleter::ConstructL()
+	{
+	if (IsAdded())
+		{
+		iTimer = CPeriodic::NewL(EPriorityNormal);
+		iTimer->Start(KMilliSecondsInFiveSeconds, KMilliSecondsInOneSecond, TCallBack(CSsmDeferredDeleter::TimeoutCallback, this));
+		}
+	}
+
+
+#endif