1 /*

     2 * Copyright (c) 2010 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:  Audio util class.

    15 *

    16 */

    17 

    18 

    19 #ifndef PHONEAUDIOUTIL_H

    20 #define PHONEAUDIOUTIL_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include <pevirtualengine.h>

    25 #include "mphoneviewcommandhandle.h"

    26 #include "mphonestatemachine.h"

    27 

    28 // CLASS DECLARATION

    29  

    30 /**

    31 *  Note util class.

    32 *

    33 */

    34 class PhoneAudioUtil

    35     {

    36     public:

    37         

    38         /**

    39          * Handles audio mute changes.

    40          */

    41         static void HandleAudioMuteChangedL();

    42     

    43         /**

    44          * Handles audio output changes.

    45          */

    46         static void HandleAudioOutputChangedL();

    47         

    48         /**

    49          * Decreases audio volume.

    50          */

    51         static void DecreaseAudioVolumeL();

    52         

    53         /**

    54          * Increases audio volume.

    55          */

    56         static void IncreaseAudioVolumeL();

    57         

    58         /**

    59          * Changes audio volume.

    60          */

    61         static void ChangeAudioVolumeL( TInt aLevel, 

    62                 TBool aUpdateControl );

    63         

    64         /**

    65          * Gets current volume level.

    66          */

    67         static TInt GetVolumeLevel();

    68         

    69         /**

    70          * Handles audio output changes.

    71          */

    72         static void HandleAudioAvailableOutputChangedL();

    73         

    74         /**

    75          * Toggles mute.

    76          */

    77         static void ToggleMute();

    78         

    79         /**

    80          * Sets handsfree mode.

    81          */

    82         static void SetHandsfreeModeL( TBool aHandsfreeMode );

    83         

    84         /**

    85          * Sets bt handsfree mode.

    86          */

    87         static void SetBtHandsfreeModeL( TBool aHandsfreeMode );

    88         

    89     private:

    90         

    91         /**

    92          * Returns view command handler.

    93          */

    94         inline static MPhoneViewCommandHandle* ViewCommandHandle();

    95  

    96         /**

    97          * Returns phone state handler.

    98          */

    99         inline static MPhoneStateMachine* StateMachine();

   100     };

   101 

   102 #endif      // PHONEAUDIOUTIL_H  

   103             

   104 // End of File