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:  Base class for all bagets.

    15 *

    16 */

    17 

    18 #ifndef BAGET_H

    19 #define BAGET_H

    20 

    21 #include <QGraphicsWidget>

    22 

    23 #include "bagetmodel_global.h"

    24 

    25 enum BagetState

    26 {

    27     BagetStateConstructed = 0,

    28     BagetStateRunning,

    29     BagetStateSuspended,

    30     BagetStateStopped

    31 };

    32 

    33 class BagetPrivate;

    34 

    35 class BAGETMODEL_EXPORT Baget : public QGraphicsWidget

    36 {

    37     Q_OBJECT

    38 

    39 public:

    40 

    41     Baget(QGraphicsItem *parent = 0, Qt::WindowFlags flags = 0);

    42     virtual ~Baget();

    43 

    44     BagetState currentState();

    45 

    46 public slots:

    47 

    48     void start();

    49     void stop();

    50     void resume();

    51     void suspend();

    52 

    53 signals:

    54 

    55     void faulted();

    56 

    57 protected:

    58 

    59     virtual bool onStart() = 0;

    60     virtual bool onStop() = 0;

    61     virtual bool onResume();

    62     virtual bool onSuspend();

    63 

    64 private:

    65 

    66     Q_DISABLE_COPY(Baget)

    67 

    68 private:

    69 

    70     BagetPrivate * const m_d;

    71     friend class BagetPrivate;

    72 

    73 };

    74 

    75 #endif // BAGET_H