1 /*

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

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CXEFILESAVETHREADSYMBIAN_H

    21 #define CXEFILESAVETHREADSYMBIAN_H

    22 

    23 #include <QMutex>

    24 #include <QWaitCondition>

    25 #include <QHash>

    26 #include <QQueue>

    27 #include "cxeerror.h"

    28 #include "cxefilesavethread.h"

    29 

    30 class CxeImageDataItem;

    31 class CxeThumbnailManagerSymbian;

    32 class CxeHarvesterControlSymbian;

    33 

    34 

    35 class CxeFileSaveThreadSymbian : public CxeFileSaveThread

    36     {

    37     Q_OBJECT

    38 public:

    39 

    40     CxeFileSaveThreadSymbian(QObject *parent = 0);

    41     ~CxeFileSaveThreadSymbian();

    42 

    43     /**

    44      * Save is called by Camera UI thread.

    45      * Method takes ownership of data.

    46      */

    47     void save(CxeImageDataItem* data);

    48 

    49 public slots:

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

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

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

    53 

    54 

    55 protected slots:

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

    57 

    58 protected:

    59     virtual void init();

    60     virtual void deinit();

    61 

    62 private:

    63     /**

    64      * This method includes saving in own thread.

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

    66      */

    67     void run();

    68     void read();

    69     void saveNow();

    70     void harvestFile(const QString& filename);

    71 

    72 private: // data shared between the threads

    73 

    74     bool mExitThread;

    75     QQueue<CxeImageDataItem*> mQueue;

    76 

    77     mutable QMutex mMutex;

    78     QWaitCondition mDataToSave;

    79 

    80     mutable QMutex mSnapshotsMutex;

    81     QHash<QString, QPixmap> mSnapshots;

    82 

    83 protected: // thread only used data

    84     int mCount;

    85     int mActiveHarvests;

    86     bool mExit;

    87     CxeThumbnailManagerSymbian *mThumbnailManager; // own

    88     CxeHarvesterControlSymbian *mHarvesterControl; // own

    89     };

    90 

    91 #endif // CXEFILESAVETHREADSYMBIAN_H