/*

* Copyright (c) 2006 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: 

*     An utility class to handle the UIDs and filename extensions used to

*     identify data types. It is also used to store the results per data type.

*

*/

#ifndef CMSENGINFOARRAY_H

#define CMSENGINFOARRAY_H

//  INCLUDES

#include <badesca.h>

#include <f32file.h>

// FORWARD DECLARATIONS

class CResourceFile;

class RResourceReader;

// CLASS DECLARATION

/**

*  An utility class to handle the UIDs and filename extensions

*  used to identify data types. It is also used to store

*  the results per data type

*/

class CMsengInfoArray : public CBase

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CMsengInfoArray* NewL(TDriveNumber aDrive,

                                     TInt aNumberOfDataGroups,

                                     RFs& aFsSession,

                                     CResourceFile& aResFile);

        /**

        * Destructor.

        */

        ~CMsengInfoArray();

    public: // New functions

        /**

        * Get the scan results per UID.

        * @return Pointer to the array of scan results per UID.

        */

        inline CArrayFix<TInt64>* UidResults() const;

        /**

        * Get the scan results per filename extension.

        * @return Pointer to the array of scan results per extension.

        */

        inline CArrayFix<TInt64>* ExtResults() const;

        /**

        * Get the scan results per data group.

        * @return Pointer to the array of scan results per group.

        */

        inline CArrayFix<TInt64>* GroupResults() const;

        /**

        * Get UIDs to be scanned for.

        * @return Pointer to the array of UIDs.

        */

        inline const CArrayFix<TUid>& Uids() const;

        /**

        * Get the extensions to be scanned for.

        * @return Pointer to the array of filename extensions.

        */

        inline const CDesCArray& Exts() const;

        /**

        * Get the directories to be scanned.

        * @return Pointer to the array of directory paths.

        */

        inline const CDesCArray& Dirs() const;

        /**

        * Get the special data directories to be scanned.

        * @return Pointer to the array data dir - data group pairs.

        */

        inline const CDesCArray& DataDirs() const;

        /**

        * 

        * 

        */

        inline const CArrayFix<TInt>& DataDirGroups() const;

        /**

        * Get the files excluded from directory to be scanned.

        */

        inline const CArrayPtrFlat<CDesCArray>& DataDirExcludedFiles() const;

        /**

        * Get the drive that is currently scanned

        * @return Drive current drive

        */

        inline const TDriveNumber CurrentDrive() const;

        /**

        * Add new file size to the result array.

        * @param aUid The file UID type in question

        * @param aSize Size of the file

        */

        inline void AddSizeByUidL(TInt aUid, TInt64 aSize);

        /**

        * Add new file size to the result array.

        * @param aExt Filename extension type in question

        * @param aSize Size of the file

        */

        inline void AddSizeByExtL(TInt aExt, TInt64 aSize);

        /**

        * Add scan result af a specific data group.

        * @param aGroupIndex Data group in question

        * @param aSize Size of the file

        */

        inline void AddSizeByGroupL(TInt aGroupIndex, TInt64 aSize);

        /**

        * Query if the directory is in the list of directories to be 

        * excluded from scanning, or is a subdirectory of one

        * @param aDirectory Path of the directory

        * @return TBool

        */

        TBool IsExcludedDir(const TDesC& aDirectory) const;

        /**

        * This function is otherwise similar to BaflUtils::FolderExists, but

        * it also ETrue for drive root (e.g. "c:\")

        * @param aFs File server session

        * @param aDirectory Path of the directory

        */

        TBool FolderExists(RFs& aFs, const TDesC& aPath);

        /**

        * Query if the directory is in the list of directories to be 

        * excluded from scanning, or is a subdirectory of one

        * @param aDirectory Path of the directory

        * @return TBool

        */

        TBool IsSpecialDir(const TDesC& aDirectory) const;

    private:

        /**

        * C++ default constructor is prohibited.

        */

        CMsengInfoArray(TDriveNumber aDrive);

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL(TInt aNumberOfDataGroups, RFs& aFsSession, CResourceFile& aResFile);

        // Prohibit copy constructor if not deriving from CBase.

        CMsengInfoArray( const CMsengInfoArray& );

        // Prohibit assigment operator if not deriving from CBase.

        CMsengInfoArray& operator= ( const CMsengInfoArray& );

    private:    // Data

        // Root directories for scanning

        CDesCArray* iDirArray;

        // Directories that are excluded from the normal scan

        CDesCArray* iExcludedDirArray;

        // Directories scanned as a whole excluding listed files

        CDesCArray* iDataDirArray;

        CArrayFix<TInt>* iDataDirGroupArray;

        CArrayPtrFlat<CDesCArray>* iDataDirExclArray;

        // The drive that is currently scanned

        TDriveNumber iCurrentScannedDrive;

        // The following  arrays are indexed using values from enumerations

        // TUidTypes and TExtTypes

        // Results are inserted into these arrays

        CArrayFix<TInt64>* iUidResultArray;

        CArrayFix<TInt64>* iExtResultArray;

        CArrayFix<TInt64>* iGroupResultArray;

        // UIDs and extensions, which are searched,

        // are in these  two arrays

        CArrayFix<TUid>* iUidArray;

        CDesCArray* iExtArray;

    };

#include "msenginfoarray.inl"

#endif      // CMSENGINFOARRAY_H   

// End of File