/*

* 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: Juha Kauppinen, Mika Hokkanen

* 

* Description: Photo Browser

*

*/

#ifndef __IEFILELOADER_H__

#define __IEFILELOADER_H__

// Include files

#include <e32base.h>

#include <f32file.h>

#include <IEEngine.h>

#include "IEBitmapLoader.h"

#include "IEThreadEngine.h"

#include "IEImageList.h"

//#include "FileSystemMonitorAO.h"

//#include "IEEngineImp.h"

// Forward class declarations

class CIEBitmapLoader;

class IEImageFinderAO;

class CIEEngineImp;

class IEImageFinderAO;

class CFileFinderThreadAO;

class CImageMonitorAO;

// Class declaration

class CIEFileLoader : public CBase

{

public:

	static 	CIEFileLoader* NewL(RFs& aFileServer, CIEEngineImp* aEngImp, RCriticalSection* aCritical);

	~CIEFileLoader();

	enum TImageFinderState {

        EImageFinderRunning,

        EImageFinderStopping,

        EImageFinderStopped

	};

private:

	void ConstructL();

	CIEFileLoader(RFs& aFileServer, CIEEngineImp* aEngImp, RCriticalSection* aCritical);

private:

	void LoadImageNamesL();

	void Load320x320ThumbImageNamesL();

	void FindThumbnailFolderL(TBuf<KMaxFileName> folderName, RFs& session);

	void FillImageDataArrayL(TBuf<KMaxFileName> folder, RFs& session, TBool IsThumbnail);

	TInt ScanDirFileCountL(const TDesC& aDir, const TDesC& aWild);

	void SearchFileCountL(const TDesC& aRootPath, const TDesC& aSearchName, TInt& imageFileCount, TInt& facesFileCount);

public:

	void GetFileNameL(const TInt aFileIndex, TFileName& aFileName, TThumbSize aThumbRes);

	void SaveFileL(const TDesC& aFileName, const TDesC8& aData);

	TInt GetImageCount(TThumbSize aThumbRes);

	TInt GetTotalNumOfImages();

	void GetTotalNumOfImages(TInt& aNumOfImages, TInt& aNumOfFaces);

	RArray<CImageData*>& GetFileNameArray();

	RArray<CImageData*>& GetFacesFileNameArray();

	/*void SetAll640x480TNsDone(TBool aValue);

	TBool GetAll640x480TNsDone();

	void SetAll128x128TNsDone(TBool aValue);

    TBool GetAll128x128TNsDone();*/

	void AllFilesAddedToFilenameArray();

	TInt DeleteFile(TInt aIndex);

	TInt DeleteFaceFile(TInt aIndex);

	void AddNewImage(CImageData* aTmpImageData, TInt iImageIndex);

	void AddNewFaceCropImage(CImageData* aTmpImageData, TInt aImageIndex);

	void ModifyImageData(CImageData* aTmpImageData, TInt aImageIndex);

	void ImageListChanged(TInt aIndex, TBool aAdded);

	CIEEngineImp* GetEngineImpPtr();

	/*void StartFileSystemMonitoring();

	void StopFileSystemMonitoring();

	void FileSystemChanged();*/

	void GetUpdatedNumOfImages(TInt& aNumOfImages, TInt& aNumOfFaces);

	// Functions for handling UI access to Filename array

	CImageData* GetImageData(TInt aIndex/*, TImageArrayMode aMode*/);

	//CImageData* GetImageData(TInt aIndex);

	void SetImageData(TInt aIndex, CImageData* aGridData);

	CIEImageList& GetImageList();

	TInt DeleteFile(const CImageData* aImageData);

	void StopImageFinder();

	void ImageFinderStopped(); // callback

	TImageFinderState ImageFinderState() const;

#ifdef _ACCELEROMETER_SUPPORTED_

	TImagicDeviceOrientation CIEFileLoader::DeviceOrientation();

#endif

private: // Data

    TBuf<KMaxFileName>     iTotalRootFolder;

    //CFileSystemMonitorAO*   iFileSystemMonitor;

	RFs&                   iFileServer;

	CIEEngineImp*          iEngImp;

	TInt                   iCurrentFileIndex;

	RArray<CImageData*>    iFileNameData;

	RArray<CImageData*>    iFaceFilenameData;

	CIEImageList*          iImageList;

	//For file searching

	RFile                  iFile;

	TInt                   iOffSet;

	TInt                   iNumberOfImages;

	TInt                   iNumberOfFaces;

	CFileFinderThread*     iImageFinderThread;

	RCriticalSection*      iCritical;

	CImageMonitorAO*       iImageFinderMonitor;

	TThreadId              iMainThreadId;

	//TBool                  iJpgFileCountingComplete;

    TImageFinderState      iImageFinderState;	

};

#endif // __IEFILELOADER_H__