1 /*

     2 * Copyright (c) 2005 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:  

    15 *           Messaging Audio info class

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef __MSGAUDIOINFO_H

    22 #define __MSGAUDIOINFO_H

    23 

    24 // INCLUDES

    25 

    26 #include <e32std.h>

    27 

    28 #include <mdaaudiosampleplayer.h> // MMdaAudioPlayerCallback & CMdaAudioPlayerUtility

    29 #include <msgmediainfo.h>

    30 

    31 // CONSTANTS

    32 

    33 // MACROS

    34 

    35 // FORWARD DECLARATIONS

    36 

    37 class RFile;

    38 class TDataType;

    39 

    40 // DATA TYPES

    41 

    42 // FUNCTION PROTOTYPES

    43 

    44 // CLASS DECLARATION

    45 

    46 /**

    47 * Messaging Audio Info class.

    48 *

    49 * @lib MsgMedia.lib

    50 * @since 3.1

    51 */

    52 NONSHARABLE_CLASS( CMsgAudioInfo ) : public CMsgMediaInfo,

    53                                      public MMdaAudioPlayerCallback

    54     {

    55 

    56     public:  // New methods

    57 

    58         /**

    59         * Factory method that creates this object.

    60         *

    61         * @param    aFile       IN File handle to create info class from.

    62         * @param    aMimeType   IN Mime type of the file.

    63         * @return   pointer to instance

    64         */

    65         IMPORT_C static CMsgAudioInfo* NewL(

    66             RFile& aFile, 

    67             TDataType& aMimeType );

    68 

    69         /**

    70         * Destructor

    71         */

    72         virtual ~CMsgAudioInfo();

    73 

    74     protected:

    75 

    76         /**

    77         * Constructor.

    78         *

    79         * @param    aMimeType   IN Mime type of the file.

    80         */

    81         CMsgAudioInfo( TDataType& aMimeType );

    82 

    83         /**

    84         * 2nd phase constructor.

    85         *

    86         * @param    aFile       IN File handle to create info class from.

    87         */

    88         void ConstructL( RFile& aFile );

    89 

    90         /**

    91         * Opens the audio file and gets info (e.g. duration).

    92         * Called from ConstructL.

    93         *

    94         * @param    aFile       IN File handle to create info class from.

    95         */

    96         void ResolveAudioInfoL( RFile& aFile );

    97 

    98     protected: // From base classes

    99 

   100         /**

   101         * From CActive

   102         */

   103     	void DoCancel();

   104         

   105         /**

   106         * From CActive

   107         */

   108     	void RunL();

   109 

   110         /**

   111         * From MMdaAudioPlayerCallback

   112         */

   113         virtual void MapcInitComplete(

   114             TInt aError, 

   115             const TTimeIntervalMicroSeconds& aDuration );

   116 

   117         /**

   118         * From MMdaAudioPlayerCallback

   119         */

   120         virtual void MapcPlayComplete( TInt aError );

   121 

   122 

   123     protected: // data

   124 

   125         CMdaAudioPlayerUtility* iAudioUtil;

   126         enum TMsgAudioState

   127             {

   128             EAudioStateIdle = 0,

   129             EAudioStateReady

   130             };

   131         TInt iState;

   132     };

   133 

   134 #endif // __MSGAUDIOINFO_H