/*

* 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 CXEFILENAMEGENERATORSYMBIAN_H

#define CXEFILENAMEGENERATORSYMBIAN_H

#include <QString>

#include "cxefilenamegenerator.h"

#include "cxenamespace.h"

#include "cxeerror.h"

class RFs;

class CxeSettings;

static const int KCamMonthFolderNameLength = 8;

/**

 * CxeFilenameGeneratorSymbian provides file names for saving images and videos.

 */

class CxeFilenameGeneratorSymbian : public CxeFilenameGenerator

{

public:

    CxeFilenameGeneratorSymbian(CxeSettings &settings, Cxe::CameraMode mode);

    virtual ~CxeFilenameGeneratorSymbian();

public:

    CxeError::Id init(Cxe::CameraMode mode);

    void startNewImageFilenameSequence();

    CxeError::Id nextImageFilenameInSequence(QString &filename, const QString &fileExt);

    CxeError::Id generateFilename(QString &filename, const QString &fileExt);

    void raiseCounterValue();

private:

    // Private methods

    int checkExistence(const QString& path);

    int ensureExists(const QString& path, bool& created);

    bool spaceAvailable(int &driveIndex, TInt64 minSpaceInBytes);

    int selectDrive(int &drive);

    void initBasePath(QString &path, int drive);

    int initMonthFolders();

    int computeMonthCounter(QString &path, QString& monthFolder, int &monthCounter);

    void computeFolderSuffix(int folderNumber, QString &suffix);

    int selectFolder(QString &path);

    void resetCounters(QString &monthFolder);

    int generateUniqueFileName(QString &filePath, QString &fileName, const QString &ext);

private:

    // FileSystem object

    RFs &mFs;

    // Reference of SettingsImp (not owned)

    CxeSettings &mSettings;

    // Current mode: image/video

    Cxe::CameraMode mCurrentMode;

    /**

     * Base paths for image and video files: (E:\images\camera\).

     */

    QString mImagesPath;

    QString mVideosPath;

    // Month folder name: YYMMDD - common for image and video

    QString mCurrentMonth;

    // Month counters for image and video modes.

    // Used for computing two digit postfix for month folders

    int mMonthCounterImage;

    int mMonthCounterVideo;

    // Last used image and video numbers

    int mImageCounter;

    int mVideoCounter;

};

#endif // CXEFILENAMEGENERATORSYMBIAN_H