1 /*

     2 * Copyright (c) 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:  Wrapper for Tone Player Utility

    15 *

    16 */

    17 

    18 

    19 #ifndef CAM_TONEPLAYERWRAPPER_H

    20 #define CAM_TONEPLAYERWRAPPER_H

    21 

    22 // ===========================================================================

    23 // Includes

    24 #include <mdaaudiotoneplayer.h>   // for MMdaAudioToneObserver

    25 

    26 

    27 // ===========================================================================

    28 // Forward declarations

    29 class MCamPlayerObserver;

    30 

    31 // ===========================================================================

    32 // Class definitions

    33 

    34 /**

    35 * Tone Player Wrapper class

    36 *

    37 */

    38 class CCamTonePlayerWrapper : public CBase,

    39                               public MMdaAudioToneObserver

    40   {

    41   // =======================================================

    42   // methods

    43 

    44   // -------------------------------------------------------

    45   // constructors and destructor

    46   public: 

    47 

    48     static CCamTonePlayerWrapper* NewL( MCamPlayerObserver& aObserver );

    49     virtual ~CCamTonePlayerWrapper();

    50 

    51   // -------------------------------------------------------

    52   // from MMdaAudioToneObserver

    53   public: 

    54   

    55     virtual void MatoPrepareComplete( TInt aStatus );

    56     virtual void MatoPlayComplete   ( TInt aStatus );

    57   

    58   // -------------------------------------------------------

    59   // new public

    60   public: 

    61 

    62     void PlayTone( TInt    aToneInHz, 

    63                    TInt    aLengthInUs, 

    64                    TReal32 aVolumeInPercent,

    65                    TBool   aCallback );

    66 

    67     void CancelPlay();

    68 

    69   // -------------------------------------------------------

    70   // new private

    71   private: 

    72 

    73     void InitL();

    74     void NotifyPlayComplete( TInt aStatus );

    75 

    76   // -------------------------------------------------------

    77   // private constructors

    78   private: 

    79 

    80     void ConstructL();

    81     CCamTonePlayerWrapper( MCamPlayerObserver& aObserver );

    82 

    83   // =======================================================

    84   // data

    85   private: 

    86 

    87     enum TCamTonePlayerWrapperState

    88       {

    89       EIdle         = 0,

    90       EInitializing = 1,

    91       EPlaying      = 2

    92       };

    93 

    94     MCamPlayerObserver&        iObserver;

    95     CMdaAudioToneUtility*      iTone;

    96     TCamTonePlayerWrapperState iState;

    97 

    98     TBool                      iCallback;

    99 

   100   // =======================================================

   101   };

   102 

   103 #ifdef _DEBUG

   104     static const TUint16* KCamTonePlayerWrapperStateNames[] = 

   105       {

   106       (const TUint16*)_S16("EIdle"),

   107       (const TUint16*)_S16("EInitializing"),

   108       (const TUint16*)_S16("EPlaying")

   109       };

   110 #endif // _DEBUG

   111 

   112 

   113 #endif // CAM_TONEPLAYERWRAPPER_H

   114 

   115 // ===========================================================================

   116 // end of file