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 "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:  Defines the interface to CallAudioControlImpl

    15 *

    16 */

    17 

    18 #ifndef CALLAUDIOCONTROLIMPL_H

    19 #define CALLAUDIOCONTROLIMPL_H

    20 

    21 //  INCLUDES

    22 #include <e32base.h>

    23 #include <TelephonyAudioRouting.h>

    24 #include <RoutingObserver.h>

    25 #include <UplinkGainObserver.h>

    26 #include <DownlinkVolumeObserver.h>

    27 #include <MTelephonyAudioRoutingObserver.h>

    28 #include <centralrepository.h>

    29 

    30 #ifdef __SERIES60_31__

    31 #include <TSEngInterface.h>

    32 #include <RPhCltServer.h> 

    33 #include <PhCltExt.h>       // link against PhoneClientExt.lib

    34 #include <MediatorCommandInitiator.h>

    35 #else

    36 #include <CPhCltCommandHandler.h> // wasn't introduced until 3.2

    37 #endif

    38 

    39 #include "CallAudioControlUtility.h"

    40 #include "CallAudioControl.h"

    41 

    42 // FORWARD DECLARATIONS

    43 class CRoutingObserver;

    44 class CCallAudioControlProperty;

    45 class CCallAudioControlRepository;

    46 

    47 // CLASS DECLARATION

    48 class CCallAudioControlImpl : public CBase

    49             , public MTelephonyAudioRoutingObserver

    50 #ifdef __SERIES60_31__

    51             , public MMediatorCommandResponseObserver

    52 #endif

    53     {

    54 

    55     public:  

    56 

    57         static CCallAudioControlImpl* NewL();

    58 

    59  		~CCallAudioControlImpl();

    60 

    61      	TInt AppendRoutingObserver( CRoutingObserver& aObserver ); 

    62      	TInt RemoveRoutingObserver( CRoutingObserver& aObserver );

    63 		TInt AppendDownlinkVolumeObserver( CDownlinkVolumeObserver& aObserver );

    64 		TInt RemoveDownlinkVolumeObserver( CDownlinkVolumeObserver& aObserver );

    65 		TInt AppendUplinkGainObserver( CUplinkGainObserver& aObserver );

    66 		TInt RemoveUplinkGainObserver( CUplinkGainObserver& aObserver );

    67 		TInt GetAvailableOutputs( RArray<CCallAudioControl::TAudioOutput>& aAvailableOutputs );

    68 		TInt GetOutput( CCallAudioControl::TAudioOutput& aOutput );

    69 		TInt SetOutput( CCallAudioControl::TAudioOutput aOutput );

    70 		TInt PreviousOutput( CCallAudioControl::TAudioOutput& aPrevOutput );

    71 		TInt GetMinDownlinkVolume( TUint& aVolume );

    72 		TInt GetDownlinkVolume( TUint& aVolume );

    73 		TInt GetMaxDownlinkVolume( TUint& aVolume );

    74 		TInt SetDownlinkVolume( TUint aVolume );

    75 		TInt GetUplinkMute( TBool& aMute );

    76     	TInt SetUplinkMute( TBool aMute );

    77 		void NotifyL(TAction aAction, TInt aError, TInt aValue);		    	

    78         

    79     private:

    80     

    81     	// For MTelephonyAudioRoutingObserver:

    82 		void AvailableOutputsChanged( CTelephonyAudioRouting& aTelephonyAudioRouting/*, const TArray<CTelephonyAudioRouting::TAudioOutput>& aOutputs*/);

    83 		void SetOutputComplete( CTelephonyAudioRouting& aTelephonyAudioRouting, TInt aErr);

    84   		void OutputChanged( CTelephonyAudioRouting& aTelephonyAudioRouting);   		  	

    85     	void ConstructL();

    86     	CCallAudioControlImpl();

    87 		TInt GetVolume(); 

    88 		TInt CheckIfOkToSetVolume();

    89 		TInt VerifyAndSetVolume(TInt aVolume);

    90 		TInt HandleCallStateChange();

    91 		TInt HandleEPVolumeChange(TInt aVolume);

    92 		TInt HandleIHFVolumeChange(TInt aVolume);

    93 		TInt HandleMuteChange(TBool aMute);

    94 		void NotifyVolumeObservers();

    95 		void NotifyGainObservers();	

    96 		void NotifyRoutingObservers(TUint aEvent, TInt aError);

    97 		void NotifyRoutingObservers(TUint aEvent);		

    98 		TInt SetMute(TBool aMute);

    99 		TBool IsCallActive();		

   100 #ifdef __SERIES60_31__

   101 		// For MMediatorCommandResponseObserver

   102 		void CommandResponseL( TUid /*aKMediatorSecondaryDisplayDomain*/, TUid /*aKTSECategory*/, 

   103                         TInt aCommandId,TInt aStatus, const TDesC8& /*aData*/ );				

   104 															   	

   105 #endif

   106     

   107     	// Data:

   108    		CTelephonyAudioRouting* iTelephonyAudioRouting;		

   109    		RPointerArray<CRoutingObserver> iRoutingObservers;

   110     	RPointerArray<CDownlinkVolumeObserver> iDownlinkVolumeObservers;

   111    		RPointerArray<CUplinkGainObserver> iUplinkGainObservers;    	  		

   112    		CCallAudioControl::TAudioOutput iCurrentAudioOutput;

   113    		CCallAudioControl::TAudioOutput iPreviousAudioOutput;

   114 		CCallAudioControlProperty* iCsNotifier;

   115 		CCallAudioControlRepository* iEpVolumeNotifier;

   116 		CCallAudioControlRepository* iIhfVolumeNotifier;

   117 		CCallAudioControlProperty* iMuteNotifier; 

   118 

   119 #ifdef __SERIES60_31__

   120  		CMediatorCommandInitiator* 	iCommandInitiator;

   121 	    RPhCltServer iPhoneClientServer;

   122 	    RLibrary iLibrary;

   123 #else

   124         CPhCltCommandHandler*   iPhoneClient;

   125 #endif 			  		  		

   126    		TInt iCallState;

   127 		TInt iVolume;

   128 		/* Needed to prevent notification going to the client modifying mute state */

   129         TBool iPendingMuteSetOp; /* Holds true if there is a pending setmute opreation */

   130         TBool iRequestedMuteState; /* Holds the current mute state */

   131         TBool iPendingEpVolLevelOp;

   132         TBool iRequestedEpVolLevel;

   133         TBool iPendingIhfVolLevelOp;

   134         TBool iRequestedIhfVolLevel;

   135 

   136 		

   137         TBool iWinsTesting;

   138     };

   139     

   140 #endif      // CALLAUDIOCONTROLIMPL_H

   141 

   142 // End of File