camerauis/cameraxui/cxengine/inc/api/cxeimagedataitem.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 14:51:30 +0300
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef CXEIMAGEDATAITEM_H
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#define CXEIMAGEDATAITEM_H
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#include <QObject>
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#include <QString>
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#include <QMetaType>
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#include "cxeerror.h"
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class CxeImageDataItem;
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class QImage;
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/**
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 * CxeImageDataItem represents a single object that is in a queue to be saved to
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 * the file system.
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 */
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class CxeImageDataItem : public QObject
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{
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    Q_OBJECT
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public:
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    // State Machine
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    enum State {
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        SavePending = 0x01,
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        Saving      = 0x02,
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        Saved       = 0x04,
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        SaveFailed  = 0x08
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        };
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    /**
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     * Helper method to save file to Fs
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     * @return symbian error code
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     */
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    virtual CxeError::Id save() = 0;
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    /**
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     * Get the current state for this item.
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     *
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     * @return State
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     */
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    virtual State state() const = 0;
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    /**
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     * Get the id of this item.
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     */
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    virtual int id() const = 0;
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    /**
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     * Get the id of this item.
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     */
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    virtual QString path() const = 0;
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signals:
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    void imageSaved(CxeError::Id error, const QString& filename, int id);
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    void stateChanged( State newState, CxeError::Id error );
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protected:
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    CxeImageDataItem() {}
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private:
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    Q_DISABLE_COPY(CxeImageDataItem)
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};
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Q_DECLARE_METATYPE(CxeImageDataItem::State)
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#endif // CXEIMAGEDATAITEM_H