phoneapp/phoneuiview/src/cphoneaudiocontroller.cpp
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     1 /*
       
     2 * Copyright (c) 2005-2007 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: Implementation of CPhoneAudioController class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <aknnavi.h>
       
    21 #include <aknnavide.h>
       
    22 #include <StringLoader.h>
       
    23 #include <avkon.rsg>
       
    24 #include <phoneui.rsg>
       
    25 #include <telephonyvariant.hrh>
       
    26 #include <eikenv.h>
       
    27 #include <eikappui.h>
       
    28 #include <AknUtils.h>
       
    29 #include "cphoneaudiocontroller.h"
       
    30 #include "cphonerecoverysystem.h"
       
    31 #include "cphonecenrepproxy.h"
       
    32 #include "cphonestatuspane.h"
       
    33 #include "cphonetimer.h"
       
    34 #include "tphonecommandparam.h"
       
    35 #include "tphonecmdparamboolean.h"
       
    36 #include "tphonecmdparaminteger.h"
       
    37 #include "phoneconstants.h"
       
    38 #include "phonelogger.h"
       
    39 #include "phoneui.hrh"
       
    40 
       
    41 // CONSTANTS
       
    42 // Defines how long time volume control is shown when volume is changed 
       
    43 // while device is muted. Duration in microseconds.
       
    44 const TInt KPhoneDelayVolumeControlToDefaultAfterReleased = 1000000;
       
    45 
       
    46 // ================= MEMBER FUNCTIONS =======================
       
    47 // C++ default constructor can NOT contain any code, that
       
    48 // might leave.
       
    49 //
       
    50 CPhoneAudioController::CPhoneAudioController() :
       
    51     iIhfVolume( KPhoneDefaultVolume ),
       
    52     iEarVolume( KPhoneDefaultVolume )
       
    53     {
       
    54     }
       
    55 
       
    56 // ---------------------------------------------------------
       
    57 // CPhoneAudioController::ConstructL()
       
    58 // Construction method for CPhoneAudioController.
       
    59 // (other items were commented in a header).
       
    60 // ---------------------------------------------------------
       
    61 //
       
    62 void CPhoneAudioController::ConstructL()
       
    63     {
       
    64     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::ConstructL()");
       
    65 
       
    66     // Start observing foreground events
       
    67     CCoeEnv::Static()->AddForegroundObserverL( *this );
       
    68 
       
    69     // Create the status pane singleton
       
    70     iStatusPane = CPhoneStatusPane::Instance();
       
    71 
       
    72     // Create volume controls
       
    73     iEarVolumeControl = 
       
    74         iStatusPane->NaviPane().CreateVolumeIndicatorL( 
       
    75         R_AVKON_NAVI_PANE_EARPIECE_VOLUME_INDICATOR );
       
    76     
       
    77     iIhfVolumeControl = 
       
    78         iStatusPane->NaviPane().CreateVolumeIndicatorL( 
       
    79         R_AVKON_NAVI_PANE_VOLUME_INDICATOR );
       
    80         
       
    81     // To get touch input, pen check in HandleControlEventL()
       
    82     iEarVolumeControl->DecoratedControl()->SetObserver( this );
       
    83     iIhfVolumeControl->DecoratedControl()->SetObserver( this );            
       
    84   
       
    85     // Create "muted" navi decorator
       
    86     HBufC* mutedText = StringLoader::LoadLC( R_PHONE_INCALL_MUTED_PANE );
       
    87     iMutedControl = iStatusPane->NaviPane().CreateMessageLabelL( *mutedText );
       
    88     CleanupStack::PopAndDestroy( mutedText );
       
    89         
       
    90     iNaviPaneUpdateTimer = CPhoneTimer::NewL();
       
    91 
       
    92     iActivateRecoveryId = CPhoneRecoverySystem::Instance()->AddL( 
       
    93         TCallBack( DoRecoverActivateL, this ),
       
    94         CTeleRecoverySystem::EPhonePriorityStandard,
       
    95         CTeleRecoverySystem::EPhoneStateIdle );   
       
    96     }
       
    97 
       
    98 // ---------------------------------------------------------
       
    99 // CPhoneAudioController::NewL()
       
   100 // Two-phased constructor
       
   101 // (other items were commented in a header).
       
   102 // ---------------------------------------------------------
       
   103 CPhoneAudioController* CPhoneAudioController::NewL()
       
   104     {   
       
   105     CPhoneAudioController* self = 
       
   106         new( ELeave ) CPhoneAudioController();
       
   107     
       
   108     CleanupStack::PushL( self );
       
   109     self->ConstructL();
       
   110     CleanupStack::Pop( self );
       
   111 
       
   112     return self;
       
   113     }
       
   114 
       
   115 // ---------------------------------------------------------
       
   116 // Destructor
       
   117 // ---------------------------------------------------------
       
   118 // 
       
   119 CPhoneAudioController::~CPhoneAudioController()
       
   120     {
       
   121     CCoeEnv::Static()->RemoveForegroundObserver( *this );
       
   122     CPhoneRecoverySystem::Remove( iActivateRecoveryId );
       
   123      
       
   124     delete iNaviPaneUpdateTimer;   
       
   125     delete iMutedControl;
       
   126     delete iIhfVolumeControl;
       
   127     delete iEarVolumeControl;
       
   128     }
       
   129 
       
   130 // ---------------------------------------------------------
       
   131 // CPhoneAudioController::ActivateVolumeControlL
       
   132 // ---------------------------------------------------------
       
   133 //
       
   134 void CPhoneAudioController::ActivateVolumeControlL()
       
   135     {
       
   136     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::ActivateVolumeControlL()");
       
   137     iVolumeControlCount++;
       
   138     if ( iVolumeControlCount == 1 ) // First time activation
       
   139         {
       
   140         // Decide whether decorator should be Ear or ihf decorator
       
   141         CAknNavigationDecorator& selectedDecorator = SelectDecoratorL(); 
       
   142         PushL( selectedDecorator ); 
       
   143         }
       
   144     }
       
   145 
       
   146 // ---------------------------------------------------------
       
   147 // CPhoneAudioController::DoRecoverUpdateL
       
   148 //
       
   149 // Callback function.
       
   150 // ---------------------------------------------------------
       
   151 //
       
   152 TInt CPhoneAudioController::DoRecoverActivateL( TAny* aAny )
       
   153     {
       
   154     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::DoRecoverActivateL()");
       
   155     static_cast< CPhoneAudioController* >( aAny )->ActivateL();
       
   156     return KErrNone;
       
   157     }
       
   158     
       
   159 // ---------------------------------------------------------
       
   160 // CPhoneAudioController::ActivateL
       
   161 //
       
   162 // Updates volume control according to current audio data.
       
   163 // ---------------------------------------------------------
       
   164 //
       
   165 void CPhoneAudioController::ActivateL()
       
   166     {
       
   167     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::ActivateL()");
       
   168     
       
   169     if( iVolumeControlCount )
       
   170         {
       
   171         // Decide whether decorator should be Ear, Ihf or Muted decorator
       
   172         CAknNavigationDecorator& selectedDecorator = SelectDecoratorL(); 
       
   173         PushL( selectedDecorator );     
       
   174         
       
   175         if( &selectedDecorator != iMutedControl )
       
   176             {            
       
   177             TInt volumeLevel = VolumeLevel(); 
       
   178             
       
   179             SetVolumeLevel( VolumeControl(), volumeLevel );                 
       
   180             }      
       
   181         }
       
   182     }
       
   183     
       
   184 // ---------------------------------------------------------
       
   185 // CPhoneAudioController::DeactivateVolumeControl
       
   186 // ---------------------------------------------------------
       
   187 //
       
   188 void CPhoneAudioController::DeactivateVolumeControl()
       
   189     {
       
   190     __LOGMETHODSTARTEND( EPhoneUIView,"CPhoneAudioController::DeactivateVolumeControl()" );
       
   191     if ( iOldControl )
       
   192         {
       
   193         iStatusPane->NaviPane().Pop( iOldControl );
       
   194         iOldControl = NULL;
       
   195         iVolumeControlCount = 0;
       
   196         }
       
   197     }
       
   198     
       
   199 // ---------------------------------------------------------
       
   200 // CPhoneAudioController::HandleVolumeChangeL
       
   201 //
       
   202 // Updates incall indicator according to current call state.
       
   203 // ---------------------------------------------------------
       
   204 //
       
   205 void CPhoneAudioController::HandleVolumeChangeL(
       
   206     TPhoneCommandParam* aCommandParam )
       
   207     {
       
   208     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::HandleVolumeChangeL()");
       
   209     if( !iPhoneInForeground )
       
   210         {
       
   211         // Telephony is in the background so it's not our responsibility
       
   212         // to display the volume control.
       
   213         __PHONELOG( EBasic, EPhoneUIView,"CPhoneAudioController::HandleVolumeChangeL - phone in the background" ); 
       
   214         return;
       
   215         }
       
   216     
       
   217     TPhoneCmdParamInteger* volumeParam =
       
   218         static_cast<TPhoneCmdParamInteger*>( aCommandParam );
       
   219 
       
   220     if ( iIhfMode )
       
   221         {
       
   222         iIhfVolume = volumeParam->Integer();
       
   223         }
       
   224     else
       
   225         {
       
   226         iEarVolume = volumeParam->Integer();
       
   227         }
       
   228     
       
   229     if( iMuted )
       
   230         {
       
   231         // Enable timed control transition in muted state    
       
   232         iTimedMuteTransferPending = ETrue; 
       
   233         }
       
   234     else
       
   235         {        
       
   236         iTimedMuteTransferPending = EFalse; 
       
   237         }
       
   238      
       
   239     // Activate the approriate volume control
       
   240     CPhoneRecoverySystem::Instance()->RecoverNow( 
       
   241         iActivateRecoveryId, 
       
   242         CTeleRecoverySystem::EPhonePriorityStandard );
       
   243 
       
   244     if( iTimedMuteTransferPending )    
       
   245         {
       
   246         iTimedMuteTransferPending = EFalse;     
       
   247         
       
   248         // Cancel any pending request
       
   249         iNaviPaneUpdateTimer->CancelTimer();
       
   250 
       
   251         // Activate change to Muted decorator after given delay        
       
   252         iNaviPaneUpdateTimer->After(                    
       
   253             KPhoneDelayVolumeControlToDefaultAfterReleased,
       
   254             TCallBack( DoUpdateNaviPaneToDefault, this ) );           
       
   255         }
       
   256     }
       
   257     
       
   258 // ---------------------------------------------------------
       
   259 // CPhoneAudioController::HandleIhfChange
       
   260 //
       
   261 // Updates incall indicator according to current call state.
       
   262 // ---------------------------------------------------------
       
   263 //
       
   264 void CPhoneAudioController::HandleIhfChange(
       
   265     TPhoneCommandParam* aCommandParam )
       
   266     {
       
   267     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::HandleIhfChange()");
       
   268     TPhoneCmdParamBoolean* booleanParam =
       
   269         static_cast<TPhoneCmdParamBoolean*>( aCommandParam );
       
   270     
       
   271     iIhfMode = booleanParam->Boolean();    
       
   272     
       
   273     // Set state transition flag 
       
   274     iIhfTransferPending = ETrue; 
       
   275     }
       
   276     
       
   277 // ---------------------------------------------------------
       
   278 // CPhoneAudioController::HandleMuteChange
       
   279 //
       
   280 // Updates incall indicator according to current call state.
       
   281 // ---------------------------------------------------------
       
   282 //
       
   283 void CPhoneAudioController::HandleMuteChange(
       
   284     TPhoneCommandParam* aCommandParam )
       
   285     {
       
   286     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::HandleMuteChange()");
       
   287     TPhoneCmdParamBoolean* booleanParam =
       
   288         static_cast<TPhoneCmdParamBoolean*>( aCommandParam );
       
   289 
       
   290     iMuted = booleanParam->Boolean();
       
   291     
       
   292     // Decide whether decorator should be ear, ihf or muted decorator
       
   293     TRAP_IGNORE( PushL( SelectDecoratorL() ) );
       
   294     }
       
   295     
       
   296 // -----------------------------------------------------------------------------
       
   297 // CPhoneAudioController::PushL
       
   298 // -----------------------------------------------------------------------------
       
   299 //
       
   300 void CPhoneAudioController::PushL( CAknNavigationDecorator& aNew )
       
   301     {
       
   302     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::PushL()");
       
   303     TInt err = KErrNone;
       
   304     if ( !iOldControl )
       
   305         {
       
   306         __PHONELOG( EBasic, EPhoneUIView,"CPhoneAudioController::iStatusPane->NaviPane().PushL( aNew );" ); 
       
   307         iStatusPane->NaviPane().PushL( aNew );
       
   308         }
       
   309     else if ( &aNew != iOldControl )
       
   310         {
       
   311         err = iStatusPane->NaviPane().ReplaceL( *iOldControl, aNew );
       
   312         }
       
   313     // otherwise iOldControl == &aNew.
       
   314 
       
   315     if ( err == KErrNone )
       
   316         {
       
   317         iOldControl = &aNew;
       
   318         }
       
   319     }
       
   320 
       
   321 // -----------------------------------------------------------------------------
       
   322 // CPhoneAudioController::DoUpdateNaviPaneToDefault
       
   323 // -----------------------------------------------------------------------------
       
   324 //
       
   325 TInt CPhoneAudioController::DoUpdateNaviPaneToDefault( TAny* aAny )
       
   326     {
       
   327     __LOGMETHODSTARTEND( EPhoneUIView, "CPhoneAudioController::DoUpdateNaviPaneToDefault()");
       
   328     CPhoneAudioController* self = static_cast< CPhoneAudioController* >( aAny );
       
   329     CPhoneRecoverySystem::Instance()->RecoverNow( 
       
   330         self->iActivateRecoveryId, 
       
   331         CTeleRecoverySystem::EPhonePriorityStandard );
       
   332     return KErrNone;
       
   333     }
       
   334 
       
   335 // -----------------------------------------------------------------------------
       
   336 // CPhoneAudioController::HandleControlEventL
       
   337 // -----------------------------------------------------------------------------
       
   338 //    
       
   339 void CPhoneAudioController::HandleControlEventL( 
       
   340     CCoeControl* aControl, 
       
   341     TCoeEvent aEventType )
       
   342     {
       
   343     __LOGMETHODSTARTEND( EPhoneUIView,"CPhoneAudioController::HandleControlEventL()" );
       
   344     if ( aEventType == MCoeControlObserver::EEventStateChanged &&
       
   345          AknLayoutUtils::PenEnabled() )
       
   346         {
       
   347         if ( aControl == iEarVolumeControl->DecoratedControl() )
       
   348             {
       
   349             TInt volume =  static_cast< CAknVolumeControl* > 
       
   350                                ( iEarVolumeControl->DecoratedControl() )
       
   351                                ->Value();
       
   352             
       
   353             if ( volume != iEarVolume )
       
   354                 {
       
   355                 // Volume level was changed via ui control
       
   356                 iEarVolume = volume;
       
   357                 CEikonEnv::Static()->EikAppUi()->HandleCommandL(
       
   358                     EPhoneInCallCmdSetVolumeLevel );                        
       
   359                 }
       
   360             }
       
   361         else if ( aControl == iIhfVolumeControl->DecoratedControl() )
       
   362             {
       
   363             TInt volume =  static_cast< CAknVolumeControl* > 
       
   364                                ( iIhfVolumeControl->DecoratedControl() )
       
   365                                ->Value();
       
   366             
       
   367             if ( volume != iIhfVolume )
       
   368                 {
       
   369                 // Volume level was changed via ui control
       
   370                 iIhfVolume = volume;
       
   371                 CEikonEnv::Static()->EikAppUi()->HandleCommandL(
       
   372                     EPhoneInCallCmdSetVolumeLevel );                        
       
   373                 }        
       
   374             }            
       
   375         }
       
   376     }
       
   377 
       
   378 // -----------------------------------------------------------------------------
       
   379 // CPhoneAudioController::VolumeLevelFromControl
       
   380 // -----------------------------------------------------------------------------
       
   381 //
       
   382 TInt CPhoneAudioController::VolumeLevelFromControl()
       
   383     {       
       
   384     __LOGMETHODSTARTEND( EPhoneUIView,"CPhoneAudioController::VolumeLevelFromControl()" );         
       
   385     TInt volume = VolumeControl().Value();     
       
   386     
       
   387     return volume; 
       
   388     }
       
   389         
       
   390 // -----------------------------------------------------------------------------
       
   391 // CPhoneAudioController::VolumeDecorator
       
   392 // -----------------------------------------------------------------------------
       
   393 //    
       
   394 CAknNavigationDecorator& CPhoneAudioController::VolumeDecorator()    
       
   395     {
       
   396     __LOGMETHODSTARTEND( EPhoneUIView,"CPhoneAudioController::VolumeDecorator()" );                 
       
   397     CAknNavigationDecorator* volumeDecorator = NULL;      
       
   398     if ( iIhfMode )
       
   399         {            
       
   400         volumeDecorator = iIhfVolumeControl;
       
   401         }
       
   402     else
       
   403         {
       
   404         volumeDecorator = iEarVolumeControl;        
       
   405         }
       
   406         
       
   407     return *volumeDecorator; 
       
   408     }
       
   409 
       
   410 // -----------------------------------------------------------------------------
       
   411 // CPhoneAudioController::VolumeControl
       
   412 // -----------------------------------------------------------------------------
       
   413 //    
       
   414 CAknVolumeControl& CPhoneAudioController::VolumeControl()      
       
   415     {
       
   416     __LOGMETHODSTARTEND( EPhoneUIView,"CPhoneAudioController::VolumeControl()" );                     
       
   417     CAknVolumeControl* volumeControl = NULL;     
       
   418     volumeControl = static_cast< CAknVolumeControl* >( 
       
   419         VolumeDecorator().DecoratedControl() ); 
       
   420 
       
   421     return *volumeControl; 
       
   422     }
       
   423 
       
   424 // -----------------------------------------------------------------------------
       
   425 // CPhoneAudioController::VolumeLevel
       
   426 // -----------------------------------------------------------------------------
       
   427 //    
       
   428 TInt CPhoneAudioController::VolumeLevel()    
       
   429     {
       
   430     __LOGMETHODSTARTEND( EPhoneUIView,"CPhoneAudioController::VolumeLevel()" );                             
       
   431     TInt volumeLevel;     
       
   432     if ( iIhfMode )
       
   433         {            
       
   434         volumeLevel = iIhfVolume; 
       
   435         }
       
   436     else
       
   437         {
       
   438         volumeLevel = iEarVolume;         
       
   439         }        
       
   440         
       
   441     return volumeLevel;
       
   442     }
       
   443 
       
   444 // -----------------------------------------------------------------------------
       
   445 // CPhoneAudioController::SelectDecoratorL
       
   446 // -----------------------------------------------------------------------------
       
   447 //    
       
   448 CAknNavigationDecorator& CPhoneAudioController::SelectDecoratorL()
       
   449     {
       
   450     __LOGMETHODSTARTEND( EPhoneUIView,"CPhoneAudioController::SelectDecoratorL()" );                                     
       
   451     CAknNavigationDecorator* newDecorator = NULL;    
       
   452     if ( !iMuted )
       
   453         {
       
   454         __PHONELOG( EBasic, EPhoneUIView,"CPhoneAudioController::SelectDecoratorL() - volume decorator " );     
       
   455         newDecorator = &VolumeDecorator();
       
   456         }
       
   457     else 
       
   458         {
       
   459         if ( iIhfTransferPending || !iTimedMuteTransferPending )
       
   460             {
       
   461             __PHONELOG( EBasic, EPhoneUIView,"CPhoneAudioController::SelectDecoratorL() - muted decorator " );         
       
   462             newDecorator = iMutedControl;    
       
   463             }            
       
   464         else 
       
   465             {
       
   466             __PHONELOG( EBasic, EPhoneUIView,"CPhoneAudioController::SelectDecoratorL() - volume decorator " );         
       
   467             newDecorator = &VolumeDecorator();
       
   468             
       
   469             // In muted state the volume decorator must be first 
       
   470             // pushed to container to enable volume popup showing 
       
   471             PushL( *newDecorator );             
       
   472             }
       
   473         }
       
   474 
       
   475     // Clear IHF transfer flag. 
       
   476     iIhfTransferPending = EFalse;
       
   477            
       
   478     return *newDecorator;         
       
   479     }
       
   480 
       
   481 // -----------------------------------------------------------------------------
       
   482 // CPhoneAudioController::SetVolumeLevel
       
   483 // -----------------------------------------------------------------------------
       
   484 //    
       
   485 void CPhoneAudioController::SetVolumeLevel(
       
   486     CAknVolumeControl& aVolumeControl, 
       
   487     TInt aVolumeLevel)
       
   488     {
       
   489     __LOGMETHODSTARTEND( EPhoneUIView,"CPhoneAudioController::SetVolumeLevel()" );   
       
   490     aVolumeControl.SetValue( aVolumeLevel ); 
       
   491 
       
   492     }
       
   493 
       
   494 // -----------------------------------------------------------------------------
       
   495 // CPhoneAudioController::HandleGainingForeground
       
   496 // -----------------------------------------------------------------------------
       
   497 //    
       
   498 void CPhoneAudioController::HandleGainingForeground()
       
   499     {
       
   500     iPhoneInForeground = ETrue;
       
   501     }
       
   502 
       
   503 // -----------------------------------------------------------------------------
       
   504 // CPhoneAudioController::HandleLosingForeground
       
   505 // -----------------------------------------------------------------------------
       
   506 //    
       
   507 void CPhoneAudioController::HandleLosingForeground()
       
   508     {
       
   509     iPhoneInForeground = EFalse;
       
   510     }
       
   511 
       
   512 // End of file