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 the License "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 *

    16 */

    17 

    18 

    19 #ifndef SYSTEMINFOBEEP_H

    20 #define SYSTEMINFOBEEP_H

    21 

    22 //  INCLUDES

    23 #include <MdaAudioTonePlayer.h>

    24 

    25 // FORWARD DECLARATIONS

    26 

    27 // CLASS DECLARATION

    28 

    29 /**

    30 *  CSystemInfoBeep.

    31 *  Interface to information about the radio network connection.

    32 *  @lib npSystemInfoPlugin.lib

    33 *  @since S60 v3.2

    34 */

    35 NONSHARABLE_CLASS(CSystemInfoBeep) : public CBase, public MMdaAudioToneObserver

    36     {

    37 public: // Constructors and destructor

    38 

    39     /**

    40      * Two-phased constructor.

    41      */

    42     static CSystemInfoBeep* NewL();

    43 

    44     /**

    45      * Destructor.

    46      */

    47     virtual ~CSystemInfoBeep();

    48 

    49 public:

    50     /**

    51      * Play a pure tone.

    52      * @since 3.2

    53      * @param frequency of tone in Hertz

    54      * @param duration of tone in microseconds

    55      * @return void

    56      */

    57     void Play( TInt aFrequency, TTimeIntervalMicroSeconds iDuration);

    58 

    59 private:

    60     /**

    61      * C++ default constructor.

    62      */

    63     CSystemInfoBeep();

    64 

    65     /**

    66      * By default Symbian 2nd phase constructor is private.

    67      * @param none

    68      * @return void

    69      */

    70     void ConstructL();

    71 

    72 public:

    73     // from MMdaAudioToneObserver

    74     void MatoPrepareComplete(TInt aError);

    75     void MatoPlayComplete(TInt aError);

    76 

    77 private:

    78     typedef enum TBeepState

    79         {

    80         EBeepIdle,

    81         EBeepPreparing,

    82         EBeepPlaying

    83         };

    84 

    85 private:

    86 

    87     CMdaAudioToneUtility* iToneUtil; // owned

    88     TBeepState iState;

    89     };

    90 

    91 #endif // SYSTEMINFOBEEP_H

    92 

    93 // End of File