diff -r dcf0eedfc1a3 -r d189ee25cf9d emailuis/nmailuiengine/inc/nmoperation.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/nmailuiengine/inc/nmoperation.h	Tue Aug 31 15:04:17 2010 +0300
@@ -0,0 +1,65 @@
+/*
+* Copyright (c) 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:
+*
+*/
+
+#ifndef NMOPERATION_H_
+#define NMOPERATION_H_
+
+#include <QObject>
+#include "nmuienginedef.h"
+
+
+class NMUIENGINE_EXPORT NmOperation: public QObject
+{
+    Q_OBJECT
+
+public:
+    NmOperation();  
+    bool isRunning() const;
+    void addPreliminaryOperation(NmOperation *operation);
+    
+signals:
+    void operationProgressChanged(int progress);
+    void operationCompleted(int result = 0);
+    void operationCancelled();
+
+public slots:
+    void completeOperation(int result);
+    void cancelOperation();
+    void updateOperationProgress(int progress);
+
+protected slots:
+    virtual void runAsyncOperation();
+    virtual void handlePreliminaryOperationFinished();
+
+private slots:
+    void deleteOperation();
+    
+protected:
+    virtual ~NmOperation();  
+    virtual void doCompleteOperation();
+    virtual void doCancelOperation();
+    virtual void doUpdateOperationProgress();
+    virtual void doRunAsyncOperation() = 0;
+
+    
+private:
+    int mProgress;
+    bool mIsRunning;
+    QList<NmOperation *> mPreliminaryOperations;
+};
+
+#endif /* NMOPERATION_H_ */