mmappcomponents/playbackhelper/src/devsoundif.cpp
changeset 0 a2952bb97e68
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-1:000000000000 0:a2952bb97e68
       
     1 /*
       
     2 * Copyright (c) 2008 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:  Implementation of CDevSoundIf
       
    15 *
       
    16 */
       
    17 
       
    18 // Version : %version: 5 %
       
    19 
       
    20 
       
    21 
       
    22 // INCLUDE FILES
       
    23 #include <mmf/server/sounddevice.h>
       
    24 #include <devsoundif.h>
       
    25 
       
    26 #include "playbackhelper_log.h"
       
    27 
       
    28 // CONSTANTS
       
    29 const TInt KTenStepsVolume = 10;
       
    30 const TInt KTwentyStepsVolume = 20;
       
    31 
       
    32 
       
    33 // ============================ MEMBER FUNCTIONS ===================================================
       
    34 
       
    35 // -------------------------------------------------------------------------------------------------
       
    36 // CDevSoundIf::CDevSoundIf
       
    37 // C++ default constructor can NOT contain any code, that might leave.
       
    38 // -------------------------------------------------------------------------------------------------
       
    39 //
       
    40 CDevSoundIf::CDevSoundIf()
       
    41 {
       
    42     PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::CDevSoundIf()"));
       
    43 }
       
    44 
       
    45 // -------------------------------------------------------------------------------------------------
       
    46 // CDevSoundIf::ConstructL
       
    47 // Symbian 2nd phase constructor can leave.
       
    48 // -------------------------------------------------------------------------------------------------
       
    49 //
       
    50 void CDevSoundIf::ConstructL()
       
    51 {
       
    52     PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::ConstructL()"));
       
    53 
       
    54     iDevSound = CMMFDevSound::NewL();
       
    55 }
       
    56 
       
    57 // -------------------------------------------------------------------------------------------------
       
    58 // CDevSoundIf::NewL
       
    59 // Two-phased constructor.
       
    60 // -------------------------------------------------------------------------------------------------
       
    61 //
       
    62 EXPORT_C CDevSoundIf* CDevSoundIf::NewL()
       
    63 {
       
    64     PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::NewL()"));
       
    65 
       
    66     CDevSoundIf* self = new( ELeave ) CDevSoundIf;
       
    67     CleanupStack::PushL( self );
       
    68     self->ConstructL();
       
    69     CleanupStack::Pop();
       
    70     return self;
       
    71 }
       
    72 
       
    73 // -------------------------------------------------------------------------------------------------
       
    74 // CDevSoundIf::~CDevSoundIf
       
    75 // Destructor
       
    76 // -------------------------------------------------------------------------------------------------
       
    77 //
       
    78 EXPORT_C CDevSoundIf::~CDevSoundIf()
       
    79 {
       
    80     PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::~CDevSoundIf()"));
       
    81 
       
    82     if ( iDevSound ) 
       
    83     {
       
    84         delete iDevSound;
       
    85     }
       
    86 
       
    87 }
       
    88 
       
    89 // -------------------------------------------------------------------------------------------------
       
    90 // CDevSoundIf::GetNumberOfVolumeSteps
       
    91 // -------------------------------------------------------------------------------------------------
       
    92 //
       
    93 EXPORT_C TInt CDevSoundIf::GetNumberOfVolumeSteps()
       
    94 {
       
    95     // 
       
    96     // set default 10-steps volume
       
    97     //
       
    98     TInt volumeSteps = KTenStepsVolume;
       
    99 	
       
   100     if ( iDevSound && 
       
   101          iDevSound->MaxVolume() >= KTwentyStepsVolume ) 
       
   102     {
       
   103         //
       
   104         // set 20-steps volume
       
   105         //
       
   106         volumeSteps = KTwentyStepsVolume;
       
   107     }	 
       
   108 
       
   109     PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::GetNumberOfVolumeSteps() returns [%d]"), volumeSteps);
       
   110 
       
   111     return volumeSteps;
       
   112 }
       
   113 
       
   114 //  End of File