/*

* Copyright (c) 2009-2009 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:  Still image saving thread

*

*/

#ifndef CXEFILESAVETHREADSYMBIAN_H

#define CXEFILESAVETHREADSYMBIAN_H

#include <QMutex>

#include <QWaitCondition>

#include <QHash>

#include <QQueue>

#include "cxeerror.h"

#include "cxefilesavethread.h"

class CxeImageDataItem;

class CxeThumbnailManagerSymbian;

class CxeHarvesterControlSymbian;

class CxeFileSaveThreadSymbian : public CxeFileSaveThread

    {

    Q_OBJECT

public:

    CxeFileSaveThreadSymbian(QObject *parent = 0);

    ~CxeFileSaveThreadSymbian();

    /**

     * Save is called by Camera UI thread.

     * Method takes ownership of data.

     */

    void save(CxeImageDataItem* data);

public slots:

    void handleVideoSaved(CxeError::Id status, const QString& filename);

    void handleSnapshotReady(CxeError::Id status, const QPixmap& snapshot, const QString& filename);

    void handleSnapshotReady(CxeError::Id status, const QPixmap& snapshot, int id);

protected slots:

    void handleFileHarvested(CxeError::Id status, const QString& filename);

protected:

    virtual void init();

    virtual void deinit();

private:

    /**

     * This method includes saving in own thread.

     * Functions called from this method are running in "saving thread"

     */

    void run();

    void read();

    void saveNow();

    void harvestFile(const QString& filename);

private: // data shared between the threads

    bool mExitThread;

    QQueue<CxeImageDataItem*> mQueue;

    mutable QMutex mMutex;

    QWaitCondition mDataToSave;

    mutable QMutex mSnapshotsMutex;

    QHash<QString, QPixmap> mSnapshots;

protected: // thread only used data

    int mCount;

    int mActiveHarvests;

    bool mExit;

    CxeThumbnailManagerSymbian *mThumbnailManager; // own

    CxeHarvesterControlSymbian *mHarvesterControl; // own

    };

#endif // CXEFILESAVETHREADSYMBIAN_H