1 /*

     2 * Copyright (c) 2004-2007 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:  Definition of the class that handles tone playing for the 

    15 *               VoiceUIRecognition

    16 *

    17 */

    18 

    19 

    20 #ifndef VUICTONEPLAYER_H

    21 #define VUICTONEPLAYER_H

    22 

    23 // INCLUDES

    24 #include <mdaaudiosampleplayer.h>

    25 

    26 

    27 // CONSTANTS

    28 

    29 // DATA TYPES

    30 

    31 // FORWARD DECLARATIONS

    32 class CMdaAudioPlayerUtility;

    33 

    34 // CLASS DECLARATION

    35 

    36 /**

    37 *  Initializes and plays tones

    38 */

    39 NONSHARABLE_CLASS( CTonePlayer ) : public CBase,

    40                                    public MMdaAudioPlayerCallback

    41     {

    42     public:  // Constructors and destructor

    43 

    44          /**

    45         * Two-phased constructor.

    46         */

    47         static CTonePlayer* NewL();

    48         

    49         /**

    50         * Destructor.

    51         */

    52         virtual ~CTonePlayer();

    53 

    54     public: // New functions

    55 

    56         /**

    57         * Sets the observer

    58         * @param aObserver The class requesting the tone callbacks

    59         */

    60         void RegisterObserver( MMdaAudioPlayerCallback* aObserver );

    61 

    62         /**

    63         * Performs initialization for playing tones

    64         * @param aSid The sound ID

    65         */

    66         void InitToneL( TInt aSid );

    67 

    68         /**

    69         * Plays initialized tone

    70         * @param aSid The sound ID

    71         */

    72         void PlayTone( TInt aSid );

    73         

    74         /**

    75         * Check Bt Accessory Status

    76         * @

    77         */

    78         void ChekcAccesoryStatusL();

    79 

    80     public: // Functions from base classes

    81 

    82         /**

    83         * From MMdaAudioPlayerCallback.

    84         * @see MMdaAudioPlayerCallback for more information.

    85         */

    86         void MapcInitComplete( TInt aError, 

    87                                const TTimeIntervalMicroSeconds& aDuration );

    88 

    89         /**

    90         * From MMdaAudioPlayerCallback

    91         * @see MMdaAudioPlayerCallback for more information.

    92         */

    93         void MapcPlayComplete( TInt aError );

    94         

    95     private:    // Constructors & Destructor

    96 

    97         /**

    98         * By default constructor is private.

    99         */

   100         void ConstructL();

   101 

   102         /**

   103         * C++ default constructor.

   104         */

   105         CTonePlayer();

   106 

   107     private:    // New functions

   108         

   109         /**

   110         * Returns scaled volume value

   111         * @return Volume value, range [0 - MaxVolume]

   112         */

   113         TInt ScaledVolume();

   114 

   115     private:    // Data

   116         

   117         // Audio player

   118         CMdaAudioPlayerUtility*         iAudioPlayer;

   119 

   120         // Playback observer

   121         MMdaAudioPlayerCallback*        iObserver;

   122 

   123         // Start sound path

   124         HBufC*                          iStartSound;

   125         

   126         // Bluetooth start sound path

   127         HBufC*                          iBtStartSound;

   128         

   129         // Confirmation sound path

   130         HBufC*                          iConfirmationSound;

   131 

   132         // Volume

   133         TInt                            iVolume;

   134         

   135         //BT Accessory flag

   136         TBool                           iBTAcc;

   137         };

   138 

   139 #endif      // VUICTONEPLAYER_H

   140             

   141 // End of File