devsoundextensions/restrictedaudiooutput/RestrictedAudioOutputProxy/src/RestrictedAudioOutputProxy.cpp
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     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:   This is the implementation of the CRestrictedAudioOutputProxy class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <e32svr.h>
       
    22 #include <RestrictedAudioOutput.h>
       
    23 #include <RestrictedAudioOutputProxy.h>
       
    24 #include <RestrictedAudioOutputMessageTypes.h>
       
    25 #include <CustomInterfaceUtility.h>
       
    26 
       
    27     
       
    28 // ================= MEMBER FUNCTIONS =======================
       
    29 
       
    30 // C++ default constructor can NOT contain any code, that
       
    31 // might leave.
       
    32 //
       
    33 CRestrictedAudioOutputProxy::CRestrictedAudioOutputProxy(
       
    34 	TMMFMessageDestinationPckg aMessageHandler,
       
    35 	MCustomCommand& aCustomCommand,
       
    36 	CCustomInterfaceUtility* aCustomInterfaceUtility )
       
    37 	: 	iCustomCommand(&aCustomCommand),
       
    38 		iMessageHandler(aMessageHandler),
       
    39 		iCustomInterfaceUtility(aCustomInterfaceUtility),
       
    40 		iArray(4)
       
    41 
       
    42     {  
       
    43 
       
    44     }
       
    45 
       
    46 // Two-phased constructor.
       
    47 EXPORT_C CRestrictedAudioOutputProxy* CRestrictedAudioOutputProxy::NewL(
       
    48 	TMMFMessageDestinationPckg aMessageHandler,
       
    49     MCustomCommand& aCustomCommand,
       
    50     CCustomInterfaceUtility* aCustomInterfaceUtility)
       
    51     {
       
    52     
       
    53 #ifdef _DEBUG    
       
    54 	RDebug::Print(_L("CRestrictedAudioOutputProxy::NewL:\n"));
       
    55 #endif
       
    56 
       
    57 
       
    58 	    
       
    59   	CRestrictedAudioOutputProxy* self = new(ELeave) CRestrictedAudioOutputProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);
       
    60  	CleanupStack::PushL(self);
       
    61  	self->ConstructL();  // Call base class ConstructL
       
    62     CleanupStack::Pop(self);    
       
    63     return self;
       
    64     
       
    65     }	
       
    66       
       
    67  EXPORT_C CRestrictedAudioOutputProxy* CRestrictedAudioOutputProxy::NewL(CMMFDevSound& aDevSound)
       
    68     {
       
    69     
       
    70 #ifdef _DEBUG    
       
    71 	RDebug::Print(_L("CRestrictedAudioOutputProxy::NewL (DevSound):\n"));
       
    72 #endif
       
    73 
       
    74   	CRestrictedAudioOutputProxy* audioOutputProxy = (CRestrictedAudioOutputProxy*)aDevSound.CustomInterface(KUidRestrictedAudioOutput);	  	
       
    75    	
       
    76 	if (audioOutputProxy == NULL)
       
    77 	{
       
    78 #ifdef _DEBUG	
       
    79         RDebug::Print(_L("No Adaptation Support - leaving")); 
       
    80 #endif          
       
    81     	User::Leave(KErrNotSupported);
       
    82 	} 
       
    83 		  	 
       
    84     return audioOutputProxy;
       
    85     
       
    86     }	       
       
    87 
       
    88 // Destructor
       
    89 CRestrictedAudioOutputProxy::~CRestrictedAudioOutputProxy()
       
    90     {
       
    91 #ifdef _DEBUG 
       
    92 	RDebug::Print(_L("CRestrictedAudioOutputProxy::~CRestrictedAudioOutputProxy\n"));
       
    93 #endif 
       
    94 	  
       
    95 	iArray.Reset();	   
       
    96     // Remove the custom interface message handler before we destroy the proxy.
       
    97     if (iCustomInterfaceUtility)
       
    98     {
       
    99     iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
       
   100     }
       
   101 	delete iCustomInterfaceUtility;
       
   102  
       
   103     }
       
   104     
       
   105 // ---------------------------------------------------------
       
   106 // CRestrictedAudioOutput::Uid
       
   107 // ?implementation_description
       
   108 // (other items were commented in a header).
       
   109 // ---------------------------------------------------------
       
   110 //
       
   111 EXPORT_C const TUid CRestrictedAudioOutputProxy::Uid()
       
   112 	{
       
   113 	return KUidRestrictedAudioOutput;
       
   114 	}
       
   115 
       
   116 // ---------------------------------------------------------
       
   117 // CRestrictedAudioOutputProxy::Commit
       
   118 // ?implementation_description
       
   119 // (other items were commented in a header).
       
   120 // ---------------------------------------------------------
       
   121 //
       
   122 EXPORT_C TInt CRestrictedAudioOutputProxy::Commit()
       
   123 	{
       
   124 #ifdef _DEBUG 	
       
   125 	RDebug::Print(_L("CRestrictedAudioOutputProxy::Commit"));
       
   126 #endif
       
   127 	
       
   128 	TInt count;
       
   129 	TAllowedOutputPreference pref;
       
   130 	iArray.Reset();
       
   131 	
       
   132 	TInt err = GetAllowedOutputCount(count);
       
   133 		
       
   134 #ifdef _DEBUG 		
       
   135 	RDebug::Print(_L("CRestrictedAudioOutputProxy::Commit: Current array count = %d"), count);
       
   136 #endif		
       
   137 	
       
   138 	for (TInt i=0; i < count;i++)
       
   139 	{
       
   140 		err = GetAllowedOutput(i, pref);		
       
   141 		TRAP(err,iArray.AppendL(pref));		
       
   142 	}
       
   143 
       
   144 	TInt length = iArray.Length() * count;
       
   145 	TPtrC8 arrayPtr((const TUint8*)&iArray[0], length);
       
   146 	TPckgC<TInt> countPckg(count);
       
   147 	
       
   148 	iCustomCommand->CustomCommandSync(iMessageHandler, ERaofCommit, countPckg, arrayPtr );
       
   149  	
       
   150 	
       
   151 	return KErrNone;	
       
   152 	}
       
   153 	
       
   154 
       
   155 // End of File