/*

* 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 CXEIMAGEDATAITEM_H

#define CXEIMAGEDATAITEM_H

#include <QObject>

#include <QString>

#include <QMetaType>

#include "cxeerror.h"

class CxeImageDataItem;

class QImage;

/**

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

 * the file system.

 */

class CxeImageDataItem : public QObject

{

    Q_OBJECT

public:

    // State Machine

    enum State {

        SavePending = 0x01,

        Saving      = 0x02,

        Saved       = 0x04,

        SaveFailed  = 0x08

        };

    /**

     * Helper method to save file to Fs

     * @return symbian error code

     */

    virtual CxeError::Id save() = 0;

    /**

     * Get the current state for this item.

     *

     * @return State

     */

    virtual State state() const = 0;

    /**

     * Get the id of this item.

     */

    virtual int id() const = 0;

    /**

     * Get the id of this item.

     */

    virtual QString path() const = 0;

signals:

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

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

protected:

    CxeImageDataItem() {}

private:

    Q_DISABLE_COPY(CxeImageDataItem)

};

Q_DECLARE_METATYPE(CxeImageDataItem::State)

#endif // CXEIMAGEDATAITEM_H