camerauis/cameraxui/cxengine/inc/cxefilesavethreadsymbian.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) 2009-2009 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:  Still image saving thread
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*
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*/
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#ifndef CXEFILESAVETHREADSYMBIAN_H
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#define CXEFILESAVETHREADSYMBIAN_H
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#include <QMutex>
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#include <QWaitCondition>
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#include <QHash>
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#include <QQueue>
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#include "cxeerror.h"
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#include "cxefilesavethread.h"
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class CxeImageDataItem;
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class CxeThumbnailManagerSymbian;
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class CxeHarvesterControlSymbian;
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class CxeFileSaveThreadSymbian : public CxeFileSaveThread
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    {
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    Q_OBJECT
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public:
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    CxeFileSaveThreadSymbian(QObject *parent = 0);
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    ~CxeFileSaveThreadSymbian();
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    /**
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     * Save is called by Camera UI thread.
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     * Method takes ownership of data.
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     */
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    void save(CxeImageDataItem* data);
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public slots:
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    void handleVideoSaved(CxeError::Id status, const QString& filename);
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    void handleSnapshotReady(CxeError::Id status, const QPixmap& snapshot, const QString& filename);
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    void handleSnapshotReady(CxeError::Id status, const QPixmap& snapshot, int id);
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protected slots:
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    void handleFileHarvested(CxeError::Id status, const QString& filename);
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protected:
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    virtual void init();
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    virtual void deinit();
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private:
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    /**
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     * This method includes saving in own thread.
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     * Functions called from this method are running in "saving thread"
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     */
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    void run();
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    void read();
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    void saveNow();
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    void harvestFile(const QString& filename);
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private: // data shared between the threads
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    bool mExitThread;
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    QQueue<CxeImageDataItem*> mQueue;
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    mutable QMutex mMutex;
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    QWaitCondition mDataToSave;
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    mutable QMutex mSnapshotsMutex;
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    QHash<QString, QPixmap> mSnapshots;
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protected: // thread only used data
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    int mCount;
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    int mActiveHarvests;
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    bool mExit;
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    CxeThumbnailManagerSymbian *mThumbnailManager; // own
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    CxeHarvesterControlSymbian *mHarvesterControl; // own
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    };
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#endif // CXEFILESAVETHREADSYMBIAN_H