1 /*

     2 * Copyright (c) 2002 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:  Abstract interface for check media files.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef MFLDFILEOBSERVER_H

    21 #define MFLDFILEOBSERVER_H

    22 

    23 // INTERNAL INCLUDES

    24 

    25 // EXTERNAL INCLUDES

    26 #include <e32base.h>

    27 

    28 // CLASS DEFINITION

    29 

    30 /**

    31 *  Abstract interface for check media files.

    32 *

    33 *  @lib filelist.lib

    34 *  @since 2.1

    35 */

    36 class MFLDFileObserver

    37     {

    38     public: // Enumerations

    39 

    40         // An enumeration which tells what is the file used for.

    41         enum TIntention

    42             {

    43             EPlay = 1,

    44             ESelect = 2

    45             };

    46 

    47     public: // New functions

    48 

    49         /**

    50         * An abstract function for checking if a file is valid.

    51         * @since 2.1

    52         * @param aFileName Full path and filename.

    53         * @param aIntention Describes what is the file used for.

    54         * @return Returns ETrue if the file is valid for intended use.

    55         */

    56         virtual TBool IsFileValidL(

    57             const TDesC& aFileName,

    58             TIntention aIntention ) = 0;

    59 

    60 		/**

    61         * An abstract function for checking media type

    62         * @since 3.1

    63         * @param aFileName Full path and filename.

    64         * @return Returns media type

    65         */

    66         virtual TInt32 MediaFileType(

    67          const TDesC& aFileName ) const = 0;

    68 

    69     protected:

    70 

    71         /**

    72         * Destructor.

    73         */

    74         virtual ~MFLDFileObserver() {}

    75 

    76     };

    77 

    78 #endif      // MFLDFILEOBSERVER_H

    79 

    80 // End of File