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:  Header file for MetaDataWrite

    15 *

    16 */

    17 

    18 

    19 #ifndef METADATAWRITE_H

    20 #define METADATAWRITE_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include <mdaaudiosampleeditor.h>

    25 

    26 // CLASS DECLARATION

    27 

    28 /**

    29 *  This class implements CMetaDataWrite

    30 *

    31 *  @lib MetaDataWrite.lib

    32 *  @since 3.0

    33 */

    34 class CMetaDataWrite : public CBase

    35 {

    36 public:

    37 

    38     /**

    39     * Two-phased constructor

    40     * @param aUtility - Reference to the CMdaAudioRecorderUtility

    41     * @since 3.0

    42     * @return void

    43     */

    44     IMPORT_C static CMetaDataWrite* NewL(CMdaAudioRecorderUtility& aUtility);

    45 

    46     /**

    47     * Enable delay write, this should be called everytime a new file is opened

    48     * @since 3.0

    49     * @return TInt standard system error if any

    50     */

    51     IMPORT_C TInt EnableDelayWrite();

    52 

    53     /**

    54     * Commit meta data

    55     * @since 3.0

    56     * @return TInt standard system error if any

    57     */

    58     IMPORT_C TInt CommitMetaData();

    59 

    60 private:

    61 

    62     /**

    63     * C++ default constructor

    64     * @param aUtility - Reference to the CMdaAudioRecorderUtility

    65     * @since 3.0

    66     * @return void

    67     */

    68     CMetaDataWrite(CMdaAudioRecorderUtility& aUtility);

    69     

    70 private:

    71 

    72     // reference of CMdaAudioRecorderUtility

    73     CMdaAudioRecorderUtility& iUtility;

    74 

    75     // destination package for messages

    76     TMMFMessageDestinationPckg iDestinationPckg;

    77 };

    78 

    79 

    80 /**

    81 *  This class implements MMetaDataWriteCustomCommandImplementor

    82 *

    83 *  @lib n/a

    84 *  @since 3.0

    85 */

    86 class MMetaDataWriteCustomCommandImplementor

    87 {

    88 public:

    89 

    90     /**

    91     * Implements request on MitmdcEnableDelayWrite

    92     * @since 3.0

    93     * @return TInt standard system error if any

    94     */

    95     virtual TInt MmdwcEnableDelayWrite() = 0;

    96 

    97     /**

    98     * Implements request on CommitMetaData

    99     * @since 3.0

   100     * @return TInt standard system error if any

   101     */

   102     virtual TInt MmdwcCommitMetaData() = 0;

   103 };

   104 

   105 

   106 /**

   107 *  This class implements CMetaDataWriteCustomCommandParser

   108 *

   109 *  @lib MetaDataWrite.lib

   110 *  @since 3.0

   111 */

   112 class CMetaDataWriteCustomCommandParser : public CMMFCustomCommandParserBase

   113 {

   114 public:

   115 

   116     /**

   117     * Two-phased constructor

   118     * @param aImplementor - Reference to the MMetaDataWriteCustomCommandImplementor

   119     * @since 3.0

   120     * @return void

   121     */

   122     IMPORT_C static CMetaDataWriteCustomCommandParser* NewL(MMetaDataWriteCustomCommandImplementor& aImplementor);

   123 

   124     /**

   125     * From CMMFCustomCommandParserBase

   126     * Decode and handle the message from the client

   127     * @param aMessage - The message to be serviced

   128     * @since 3.0

   129     * @return void

   130     */

   131     virtual void HandleRequest(TMMFMessage& aMessage);

   132 

   133 private:

   134 

   135     /**

   136     * C++ default constructor

   137     * @param aImplementor - a reference to the MMetaDataWriteCustomCommandImplementor

   138     * @since 3.0

   139     * @return void

   140     */

   141     CMetaDataWriteCustomCommandParser(MMetaDataWriteCustomCommandImplementor& aImplementor);

   142 

   143 private:

   144 

   145 	MMetaDataWriteCustomCommandImplementor& iImplementor;

   146 };

   147 

   148 #endif

   149 

   150 // End of file