/*

* Copyright (c) 2008 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:   Directory scanner

*

*/

#ifndef C_APPMNGR2SCANNER_H

#define C_APPMNGR2SCANNER_H

#include <e32base.h>                    // CActive

#include <f32file.h>                    // RFs

#include "appmngr2scannerdirobserver.h" // MAppMngr2ScannerDirObserver

class CAppMngr2ScannerDir;

class MAppMngr2ScannerObserver;

class CAppMngr2FileRecognizer;

class CAppMngr2Scanner : public CActive, public MAppMngr2ScannerDirObserver

    {

public:     // constructor and destructor

    static CAppMngr2Scanner* NewL( MAppMngr2ScannerObserver& aObs );

    ~CAppMngr2Scanner();

public:     // from CActive

    void DoCancel();

    void RunL();

    TInt RunError( TInt aError );

public:     // from MAppMngr2ScannerDirObserver

    void DirectoryChangedL( const TDesC& aDirName );

public:     // new functions

    void AddDirectoryL( const TDesC& aPath );

    void StartScanningL();

private:    // new functions

    CAppMngr2Scanner( MAppMngr2ScannerObserver& aObs );

    void ConstructL();

    void NextValidScanningIndex();

    void HandleScanningResultsL();

    void StartMonitoringL();

    void GetPresentDrivesL( TDriveList& aDriveList );

    void HandleMonitoringEventL();

private:    // data

    MAppMngr2ScannerObserver& iObserver;

    RPointerArray<CAppMngr2ScannerDir> iDirs;

    CAppMngr2FileRecognizer* iRecognizer;

    RFs iFs;

    TInt iScanningIndex;

    enum TScannerState

        {

        EIdle,

        EScanning,

        } iState;

    };

#endif  // C_APPMNGR2SCANNER_H