1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef NMOPERATION_H_

    19 #define NMOPERATION_H_

    20 

    21 #include <QObject>

    22 #include "nmuienginedef.h"

    23 

    24 

    25 class NMUIENGINE_EXPORT NmOperation: public QObject

    26 {

    27     Q_OBJECT

    28 

    29 public:

    30     NmOperation();  

    31     bool isRunning() const;

    32     void addPreliminaryOperation(NmOperation *operation);

    33     

    34 signals:

    35     void operationProgressChanged(int progress);

    36     void operationCompleted(int result = 0);

    37     void operationCancelled();

    38 

    39 public slots:

    40     void completeOperation(int result);

    41     void cancelOperation();

    42     void updateOperationProgress(int progress);

    43 

    44 protected slots:

    45     virtual void runAsyncOperation();

    46     virtual void handlePreliminaryOperationFinished();

    47 

    48 private slots:

    49     void deleteOperation();

    50     

    51 protected:

    52     virtual ~NmOperation();  

    53     virtual void doCompleteOperation();

    54     virtual void doCancelOperation();

    55     virtual void doUpdateOperationProgress();

    56     virtual void doRunAsyncOperation() = 0;

    57 

    58     

    59 private:

    60     int mProgress;

    61     bool mIsRunning;

    62     QList<NmOperation *> mPreliminaryOperations;

    63 };

    64 

    65 #endif /* NMOPERATION_H_ */