devsoundextensions/audiorouting/Output/AudioOutputProxy/src/AudioOutputProxy.cpp
changeset 0 b8ed18f6c07b
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     1 /*
       
     2 * Copyright (c) 2006 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 output proxy implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "AudioOutput.h"
       
    22 #include "AudioOutputProxyAO.h"
       
    23 #include "AudioOutputProxy.h"
       
    24 #include "AudioOutputMessageTypes.h"
       
    25 #include <CustomCommandUtility.h>
       
    26 #include "CustomInterfaceUtility.h"
       
    27 
       
    28 
       
    29 
       
    30     
       
    31 // ================= MEMBER FUNCTIONS =======================
       
    32 
       
    33 // C++ default constructor can NOT contain any code, that
       
    34 // might leave.
       
    35 //
       
    36 CAudioOutputProxy::CAudioOutputProxy(TMMFMessageDestinationPckg aMessageHandler,
       
    37 						MCustomCommand& aCustomCommand,
       
    38 	       					CCustomInterfaceUtility* aCustomInterfaceUtility) :
       
    39 	iCustomCommand(&aCustomCommand),
       
    40 	iMessageHandler(aMessageHandler),
       
    41 	iCustomInterfaceUtility(aCustomInterfaceUtility)
       
    42     {
       
    43     iOutput        = ENoPreference;
       
    44     iDefaultOutput = ENoPreference;
       
    45     iSecureOutput  = EFalse;
       
    46     iRegistered = EFalse;
       
    47     }
       
    48 
       
    49 // Two-phased constructor.
       
    50 EXPORT_C CAudioOutputProxy* CAudioOutputProxy::NewL(TMMFMessageDestinationPckg aMessageHandler, 
       
    51 							MCustomCommand& aCustomCommand,
       
    52 							CCustomInterfaceUtility* aCustomInterfaceUtility)
       
    53     {
       
    54     CAudioOutputProxy* self = new(ELeave) CAudioOutputProxy(aMessageHandler,aCustomCommand,aCustomInterfaceUtility);
       
    55     self->ConstructL();
       
    56     return self;
       
    57     }
       
    58 
       
    59 // -----------------------------------------------------------------------------
       
    60 // CAudioOutputProxy::ConstructL
       
    61 // Symbian 2nd phase constructor can leave.
       
    62 // -----------------------------------------------------------------------------
       
    63 //
       
    64 void CAudioOutputProxy::ConstructL()
       
    65 	{
       
    66 	}
       
    67 
       
    68 // Destructor
       
    69 CAudioOutputProxy::~CAudioOutputProxy()
       
    70     {
       
    71     	if (iRegistered != EFalse)
       
    72     	{
       
    73     	    if(iObserver)
       
    74     		    UnregisterObserver(*iObserver);
       
    75     	}
       
    76        
       
    77         if (iCustomCommand)
       
    78         {
       
    79             iCustomCommand->CustomCommandSync(iMessageHandler, EAofDelete, KNullDesC8, KNullDesC8);
       
    80     	}
       
    81     	
       
    82     	if(iAsyncSender)
       
    83     	{    
       
    84     	    delete iAsyncSender;
       
    85     	    iAsyncSender = NULL;
       
    86     	}
       
    87     	
       
    88     	if(iCustomInterfaceUtility)
       
    89     	{
       
    90     	    iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
       
    91     	    delete iCustomInterfaceUtility;
       
    92             iCustomInterfaceUtility = NULL;
       
    93         }
       
    94     }
       
    95 
       
    96 // ---------------------------------------------------------
       
    97 // CAudioOutput::Uid
       
    98 // ?implementation_description
       
    99 // (other items were commented in a header).
       
   100 // ---------------------------------------------------------
       
   101 //
       
   102 EXPORT_C const TUid CAudioOutputProxy::Uid()
       
   103 	{
       
   104 	return KUidAudioOutput;
       
   105 	}
       
   106 
       
   107 // ---------------------------------------------------------
       
   108 // CAudioOutput::AudioOutput
       
   109 // ?implementation_description
       
   110 // (other items were commented in a header).
       
   111 // ---------------------------------------------------------
       
   112 //
       
   113 CAudioOutput::TAudioOutputPreference CAudioOutputProxy::AudioOutput()
       
   114 	{
       
   115 
       
   116 	TPckgBuf<TAudioOutputPreference> outPutPckg;
       
   117 	TInt error = iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EAofGetAudioOutput, KNullDesC8, KNullDesC8, outPutPckg);
       
   118 	
       
   119 	if (KErrNone == error)
       
   120 	   iOutput = outPutPckg();
       
   121 	else
       
   122        iOutput = ENoPreference;	
       
   123 	
       
   124 	return iOutput;
       
   125 	}
       
   126 // ---------------------------------------------------------
       
   127 // CAudioOutput::DefaultAudioOutput
       
   128 // ?implementation_description
       
   129 // (other items were commented in a header).
       
   130 // ---------------------------------------------------------
       
   131 //
       
   132 CAudioOutput::TAudioOutputPreference CAudioOutputProxy::DefaultAudioOutput()
       
   133 	{
       
   134 	return iDefaultOutput;
       
   135 	}
       
   136 // ---------------------------------------------------------
       
   137 // CAudioOutput::RegisterObserverL
       
   138 // ?implementation_description
       
   139 // (other items were commented in a header).
       
   140 // ---------------------------------------------------------
       
   141 //
       
   142 void CAudioOutputProxy::RegisterObserverL(MAudioOutputObserver& aObserver)
       
   143 	{
       
   144 	if(iRegistered)
       
   145 		{
       
   146 	       iObserver = &aObserver;
       
   147 	       iAsyncSender->SetObserver(aObserver);
       
   148 	       }
       
   149 	else
       
   150 		{
       
   151 		iRegistered = ETrue;
       
   152 		iObserver = &aObserver;
       
   153 		delete iAsyncSender;
       
   154 		iAsyncSender = NULL;
       
   155 
       
   156 		iAsyncSender = CAudioOutputProxyAO::NewL(this,aObserver,iCustomCommand);
       
   157 		iAsyncSender->SetRegisterFlag(ETrue);
       
   158 		iAsyncSender->SendAsyncMessage(iMessageHandler,EAofRegisterObserver);
       
   159 		}
       
   160 	}
       
   161 
       
   162 // ---------------------------------------------------------
       
   163 // CAudioOutput::SecureOutput
       
   164 // ?implementation_description
       
   165 // (other items were commented in a header).
       
   166 // ---------------------------------------------------------
       
   167 //
       
   168 TBool CAudioOutputProxy::SecureOutput()
       
   169 	{
       
   170 	return iSecureOutput;
       
   171 	}
       
   172 
       
   173 // ---------------------------------------------------------
       
   174 // CAudioOutput::SetAudioOutputL
       
   175 // ?implementation_description
       
   176 // (other items were commented in a header).
       
   177 // ---------------------------------------------------------
       
   178 //
       
   179 void CAudioOutputProxy::SetAudioOutputL(TAudioOutputPreference aAudioOutput)
       
   180 	{
       
   181 	iOutput = aAudioOutput;
       
   182 	TPckgC<TAudioOutputPreference> outputPckg(aAudioOutput);
       
   183 	iCustomCommand->CustomCommandSync(iMessageHandler, EAofSetAudioOutput, outputPckg, KNullDesC8);
       
   184 	}
       
   185 // ---------------------------------------------------------
       
   186 // CAudioOutput::SetAudioOutputL
       
   187 // ?implementation_description
       
   188 // (other items were commented in a header).
       
   189 // ---------------------------------------------------------
       
   190 //
       
   191 void CAudioOutputProxy::SetSecureOutputL(TBool aSecureOutput)
       
   192 	{
       
   193 	iSecureOutput = aSecureOutput;
       
   194 	TPckgC<TBool> outputPckg(aSecureOutput);
       
   195         TInt err = KErrNone;
       
   196         //ou1cimx1#454515 CAudioOutputConfigurator::SetSecureOutputL() is deprecated
       
   197 	err = iCustomCommand->CustomCommandSync(iMessageHandler, EAofSetSecureOutput, outputPckg, KNullDesC8);
       
   198 	if(err != KErrNone)
       
   199 		{
       
   200 			User::Leave(err);
       
   201 		}
       
   202 	
       
   203 	}
       
   204 
       
   205 // ---------------------------------------------------------
       
   206 // CAudioOutput::RegisterObserverL
       
   207 // ?implementation_description
       
   208 // (other items were commented in a header).
       
   209 // ---------------------------------------------------------
       
   210 //
       
   211 void CAudioOutputProxy::UnregisterObserver(MAudioOutputObserver& aObserver)
       
   212 	{
       
   213 	iRegistered = EFalse;
       
   214 	if (iObserver == &aObserver)
       
   215 		{
       
   216 		if (iAsyncSender)
       
   217 			{
       
   218 			iAsyncSender->SetRegisterFlag(EFalse);
       
   219 			iCustomCommand->CustomCommandSync(iMessageHandler, EAofUnregisterObserver, KNullDesC8, KNullDesC8);
       
   220 			iObserver = NULL;
       
   221 			}
       
   222 		}
       
   223 	}
       
   224 
       
   225 
       
   226 // ========================== OTHER EXPORTED FUNCTIONS =========================
       
   227 
       
   228 
       
   229 
       
   230 // End of File