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 #ifndef CXEIMAGEDATAITEM_H

    18 #define CXEIMAGEDATAITEM_H

    19 

    20 #include <QObject>

    21 #include <QString>

    22 #include <QMetaType>

    23 

    24 #include "cxeerror.h"

    25 

    26 class CxeImageDataItem;

    27 class QImage;

    28 

    29 /**

    30  * CxeImageDataItem represents a single object that is in a queue to be saved to

    31  * the file system.

    32  */

    33 class CxeImageDataItem : public QObject

    34 {

    35     Q_OBJECT

    36 

    37 public:

    38     // State Machine

    39     enum State {

    40         SavePending = 0x01,

    41         Saving      = 0x02,

    42         Saved       = 0x04,

    43         SaveFailed  = 0x08

    44         };

    45 

    46     /**

    47      * Helper method to save file to Fs

    48      * @return symbian error code

    49      */

    50     virtual CxeError::Id save() = 0;

    51 

    52     /**

    53      * Get the current state for this item.

    54      *

    55      * @return State

    56      */

    57     virtual State state() const = 0;

    58 

    59     /**

    60      * Get the id of this item.

    61      */

    62     virtual int id() const = 0;

    63 

    64     /**

    65      * Get the id of this item.

    66      */

    67     virtual QString path() const = 0;

    68 

    69 signals:

    70     void imageSaved(CxeError::Id error, const QString& filename, int id);

    71     void stateChanged( State newState, CxeError::Id error );

    72 

    73 protected:

    74     CxeImageDataItem() {}

    75 

    76 private:

    77     Q_DISABLE_COPY(CxeImageDataItem)

    78 };

    79 

    80 Q_DECLARE_METATYPE(CxeImageDataItem::State)

    81 

    82 #endif // CXEIMAGEDATAITEM_H