camerauis/cameraxui/cxengine/inc/api/cxeimagedataitem.h
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3:8b2d6d0384b0 19:d9aefe59d544
       
     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