1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "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 * Ixonos Plc

    14 *

    15 * Description:  

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef __CPROCCLIPINFOAO_H__

    22 #define __CPROCCLIPINFOAO_H__

    23 

    24 #include <e32base.h>

    25 #include "AudCommon.h"

    26 #include "AudClipInfo.h"

    27 

    28 #include "AudProcessorImpl.h"

    29 

    30 class MProcClipInfoObserver;

    31 class CAudProcessorImpl;

    32 

    33 class CProcClipInfoAO : public CActive 

    34     {

    35 

    36 public:

    37 

    38     static CProcClipInfoAO* NewL();

    39 

    40     virtual ~CProcClipInfoAO();

    41 

    42     /**

    43     *

    44     * Starts retrieving audio clip info

    45     *

    46     * @param    aFilename        filename of the input file

    47     * @param    aFileHandle      file handle of the input file

    48     * @param    aObserver        observer to be notified of progress

    49     * @param    aProperties        properties of the input file.

    50     *                            Needs to be allocated by the caller,                            

    51     *                            and will filled in as a result of calling

    52     *                            this function

    53     * @param    aPriority        priority of the operation

    54     *

    55     */

    56     void StartL(const TDesC& aFilename, 

    57                 RFile* aFileHandle,

    58         MProcClipInfoObserver &aObserver,         

    59         TAudFileProperties* aProperties,

    60         TInt aPriority);

    61         

    62       

    63 protected:

    64     virtual void RunL();

    65     virtual void DoCancel();

    66 

    67 private:

    68     

    69 

    70 

    71     void ConstructL();

    72 

    73 

    74 private:

    75     

    76     CProcClipInfoAO();

    77     MProcClipInfoObserver* iObserver;

    78     TAudFileProperties* iProperties;

    79     HBufC* iFileName;

    80     CAudProcessorImpl* iProcessorImpl;

    81     RFile* iFileHandle;

    82     

    83     };

    84 

    85 

    86 #endif