/*

* 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:   Recognizes files to get corresponding MIME types

*

*/

#ifndef C_APPMNGR2FILERECOGNIZER_H

#define C_APPMNGR2FILERECOGNIZER_H

#include <e32base.h>                    // CActive

class CAppMngr2RecognizedFile;

class CDir;

class RFs;

class CAppMngr2FileRecognizer : public CActive

    {

public:     // constructor and destructor

    static CAppMngr2FileRecognizer* NewL( RFs& aFs );

    ~CAppMngr2FileRecognizer();

public:     // new functions

    /**

     * Gets the data (MIME) type for files in a specified directory.

     * Works like RApaLsSession::RecognizeFilesL() except that can be used to

     * recognize files in private directories too (with AllFiles capability).

     * @param aPath  A valid path. Note that the path must end with a backslash. 

     * @param aStatus  A request status object. 

     */

    void RecognizeFilesL( const TDesC& aPath, TRequestStatus& aStatus );

    /**

     * Cancels ongoing file recognition.

     */

    void CancelRecognizeFiles();

    /**

     * Returns file recognition results in array. Items can be removed

     * from the array. Next call to RecognizeFilesL() resets the array.

     * @return RPointerArray<CAppMngr2RecognizedFile>&  Recognized files

     */

    RPointerArray<CAppMngr2RecognizedFile>& Results();

protected:  // from CActive

    void DoCancel();

    void RunL();

    TInt RunError( TInt aError );

private:    // new functions

    CAppMngr2FileRecognizer( RFs& aFs );

    void RecognizeNextFileL();

private:    // data

    RFs& iFs;

    TRequestStatus* iDirStatus;

    HBufC* iDirPath;

    CDir* iDirEntries;

    TInt iIndex;

    RPointerArray<CAppMngr2RecognizedFile> iResultArray;

    enum TState

        {

        EIdle,

        ERecognizing

        } iState;

    };

#endif  // C_APPMNGR2FILERECOGNIZER_H