phoneengine/phonemodel/src/cpeincallearvolumesettingmonitor.cpp
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     1 /*
       
     2 * Copyright (c) 2005 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:  Contains phone engine base central repository monitor class
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include "cpeincallearvolumesettingmonitor.h"
       
    21 #include "mpephonemodelinternal.h"
       
    22 #include <centralrepository.h>
       
    23 #include <mpedatastore.h>
       
    24 #include <talogger.h>
       
    25 #include <telephonyvariant.hrh>
       
    26 #include <telincallvolcntrlcrkeys.h>
       
    27 
       
    28 
       
    29 // -----------------------------------------------------------------------------
       
    30 // CPEIncallEarVolumeSettingMonitor::NewL
       
    31 // Two-phased constructor.
       
    32 // -----------------------------------------------------------------------------
       
    33 //
       
    34 CPEIncallEarVolumeSettingMonitor* CPEIncallEarVolumeSettingMonitor::NewL(
       
    35         MPEPhoneModelInternal& aModel )
       
    36     {
       
    37     CPEIncallEarVolumeSettingMonitor* self = new ( ELeave ) CPEIncallEarVolumeSettingMonitor( 
       
    38         aModel );
       
    39     CleanupStack::PushL( self );
       
    40     self->ConstructL(); 
       
    41     CleanupStack::Pop( self);
       
    42     return ( self );
       
    43     }
       
    44 
       
    45 // Destructor
       
    46 CPEIncallEarVolumeSettingMonitor::~CPEIncallEarVolumeSettingMonitor()
       
    47     {
       
    48     // Cancel() is called by base class destructor, which also deletes iRepository
       
    49     }
       
    50 
       
    51 // -----------------------------------------------------------------------------
       
    52 // CPEIncallEarVolumeSettingMonitor::CPEIncallEarVolumeSettingMonitor
       
    53 // C++ default constructor can NOT contain any code, that
       
    54 // might leave.
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 CPEIncallEarVolumeSettingMonitor::CPEIncallEarVolumeSettingMonitor(
       
    58         MPEPhoneModelInternal& aModel
       
    59         ) : CPECenRepMonitor( KTelIncallEarVolume ),
       
    60             iModel( aModel ),
       
    61             iUpdateInProgress( EFalse )
       
    62     {
       
    63     }
       
    64 
       
    65 // -----------------------------------------------------------------------------
       
    66 // CPEIncallEarVolumeSettingMonitor::ConstructL
       
    67 // Symbian 2nd phase constructor can leave.
       
    68 // -----------------------------------------------------------------------------
       
    69 //
       
    70 void CPEIncallEarVolumeSettingMonitor::ConstructL()
       
    71     {
       
    72     BaseConstructL( KCRUidInCallVolume );
       
    73 
       
    74     TInt volume = KPEDefaultAudioVolume; // Default setting
       
    75     Get( volume );   
       
    76     TEFLOGSTRING2( 
       
    77         KTAREQOUT, 
       
    78         "PE CPEIncallEarVolumeSettingMonitor::ConstructL, Incall ear volume = %d ",
       
    79         volume );
       
    80     // Write audio volume to EngineInfo.
       
    81     iModel.DataStore()->SetAudioVolume( volume );
       
    82     }
       
    83 
       
    84 // -----------------------------------------------------------------------------
       
    85 // CPEIncallEarVolumeSettingMonitor::Set
       
    86 // -----------------------------------------------------------------------------
       
    87 //
       
    88 TInt CPEIncallEarVolumeSettingMonitor::Set(
       
    89         TInt aValue )
       
    90     {
       
    91     TInt errorCode( KErrNone );
       
    92 
       
    93     // Check whether this function call was initiated by a central repository
       
    94     // change notification.
       
    95     if( iUpdateInProgress == EFalse )
       
    96         {
       
    97         errorCode = iRepository->Set( iMonitorSetting, aValue );
       
    98         TEFLOGSTRING3( KTAREQOUT, "PE CPEIncallEarVolumeSettingMonitor::Set \
       
    99 > CRepository::Set, Incall ear volume = %d, error code: %d", aValue, errorCode );
       
   100         }
       
   101 
       
   102     return errorCode;
       
   103     }
       
   104 
       
   105 // -----------------------------------------------------------------------------
       
   106 // CPEIncallEarVolumeSettingMonitor::UpdateL
       
   107 // Symbian 2nd phase constructor can leave.
       
   108 // -----------------------------------------------------------------------------
       
   109 //
       
   110 void CPEIncallEarVolumeSettingMonitor::UpdateL()
       
   111     {
       
   112     TInt volume;
       
   113     // The headset volume has changed in repository.
       
   114     // Retrieve the current volume from repository.
       
   115     User::LeaveIfError( Get( volume ) );
       
   116 
       
   117     TEFLOGSTRING2( 
       
   118         KTAREQOUT,
       
   119         "PE: CPEIncallEarVolumeSettingMonitor::UpdateL, Incall ear volume = %d ",
       
   120         volume );
       
   121 
       
   122     // Update headset volume using an audiohandling routine
       
   123     // The routine will try to update the repository as well,
       
   124     // ensure this is blocked using an internal flag.
       
   125     iUpdateInProgress = ETrue;
       
   126     iModel.DataStore()->SetAudioVolumeCommand( volume );
       
   127     iModel.HandleInternalMessage( MPEPhoneModel::EPEMessageSetAudioVolume );
       
   128 
       
   129     // Reset the flag when synchronization is complete
       
   130     iUpdateInProgress = EFalse;
       
   131 
       
   132     }
       
   133     
       
   134 // End of file