1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   Recognizes files to get corresponding MIME types

    15 *

    16 */

    17 

    18 

    19 #ifndef C_APPMNGR2FILERECOGNIZER_H

    20 #define C_APPMNGR2FILERECOGNIZER_H

    21 

    22 #include <e32base.h>                    // CActive

    23 

    24 class CAppMngr2RecognizedFile;

    25 class CDir;

    26 class RFs;

    27 

    28 

    29 class CAppMngr2FileRecognizer : public CActive

    30     {

    31 public:     // constructor and destructor

    32     static CAppMngr2FileRecognizer* NewL( RFs& aFs );

    33     ~CAppMngr2FileRecognizer();

    34 

    35 public:     // new functions

    36     /**

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

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

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

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

    41      * @param aStatus  A request status object. 

    42      */

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

    44     

    45     /**

    46      * Cancels ongoing file recognition.

    47      */

    48     void CancelRecognizeFiles();

    49     

    50     /**

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

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

    53      * @return RPointerArray<CAppMngr2RecognizedFile>&  Recognized files

    54      */

    55     RPointerArray<CAppMngr2RecognizedFile>& Results();

    56     

    57 protected:  // from CActive

    58     void DoCancel();

    59     void RunL();

    60     TInt RunError( TInt aError );

    61     

    62 private:    // new functions

    63     CAppMngr2FileRecognizer( RFs& aFs );

    64     void RecognizeNextFileL();

    65 

    66 private:    // data

    67     RFs& iFs;

    68     TRequestStatus* iDirStatus;

    69     HBufC* iDirPath;

    70     CDir* iDirEntries;

    71     TInt iIndex;

    72     RPointerArray<CAppMngr2RecognizedFile> iResultArray;

    73     enum TState

    74         {

    75         EIdle,

    76         ERecognizing

    77         } iState;

    78     };

    79 

    80 #endif  // C_APPMNGR2FILERECOGNIZER_H

    81