devsoundextensions/restrictedaudiooutput/RestrictedAudioOutputProxy/src/RestrictedAudioOutputProxy.cpp
author hgs
Thu, 07 Oct 2010 22:34:12 +0100
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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   This is the implementation of the CRestrictedAudioOutputProxy class.
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*
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*/
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// INCLUDE FILES
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#include <e32svr.h>
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#include <RestrictedAudioOutput.h>
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#include <RestrictedAudioOutputProxy.h>
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#include <RestrictedAudioOutputMessageTypes.h>
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#include <CustomInterfaceUtility.h>
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// ================= MEMBER FUNCTIONS =======================
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// C++ default constructor can NOT contain any code, that
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// might leave.
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//
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CRestrictedAudioOutputProxy::CRestrictedAudioOutputProxy(
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	TMMFMessageDestinationPckg aMessageHandler,
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	MCustomCommand& aCustomCommand,
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	CCustomInterfaceUtility* aCustomInterfaceUtility )
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	: 	iCustomCommand(&aCustomCommand),
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		iMessageHandler(aMessageHandler),
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		iCustomInterfaceUtility(aCustomInterfaceUtility),
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		iArray(4)
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    {  
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    }
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// Two-phased constructor.
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EXPORT_C CRestrictedAudioOutputProxy* CRestrictedAudioOutputProxy::NewL(
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	TMMFMessageDestinationPckg aMessageHandler,
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    MCustomCommand& aCustomCommand,
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    CCustomInterfaceUtility* aCustomInterfaceUtility)
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    {
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#ifdef _DEBUG    
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	RDebug::Print(_L("CRestrictedAudioOutputProxy::NewL:\n"));
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#endif
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  	CRestrictedAudioOutputProxy* self = new(ELeave) CRestrictedAudioOutputProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);
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 	CleanupStack::PushL(self);
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 	self->ConstructL();  // Call base class ConstructL
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    CleanupStack::Pop(self);    
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    return self;
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    }	
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 EXPORT_C CRestrictedAudioOutputProxy* CRestrictedAudioOutputProxy::NewL(CMMFDevSound& aDevSound)
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    {
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#ifdef _DEBUG    
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	RDebug::Print(_L("CRestrictedAudioOutputProxy::NewL (DevSound):\n"));
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#endif
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  	CRestrictedAudioOutputProxy* audioOutputProxy = (CRestrictedAudioOutputProxy*)aDevSound.CustomInterface(KUidRestrictedAudioOutput);	  	
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	if (audioOutputProxy == NULL)
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	{
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#ifdef _DEBUG	
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        RDebug::Print(_L("No Adaptation Support - leaving")); 
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#endif          
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    	User::Leave(KErrNotSupported);
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	} 
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    return audioOutputProxy;
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    }	       
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// Destructor
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CRestrictedAudioOutputProxy::~CRestrictedAudioOutputProxy()
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    {
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#ifdef _DEBUG 
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	RDebug::Print(_L("CRestrictedAudioOutputProxy::~CRestrictedAudioOutputProxy\n"));
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#endif 
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	iArray.Reset();	   
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    // Remove the custom interface message handler before we destroy the proxy.
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    if (iCustomInterfaceUtility)
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    {
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    iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
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    }
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	delete iCustomInterfaceUtility;
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    }
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// ---------------------------------------------------------
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// CRestrictedAudioOutput::Uid
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// ?implementation_description
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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EXPORT_C const TUid CRestrictedAudioOutputProxy::Uid()
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	{
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	return KUidRestrictedAudioOutput;
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	}
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// ---------------------------------------------------------
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// CRestrictedAudioOutputProxy::Commit
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// ?implementation_description
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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EXPORT_C TInt CRestrictedAudioOutputProxy::Commit()
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	{
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#ifdef _DEBUG 	
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	RDebug::Print(_L("CRestrictedAudioOutputProxy::Commit"));
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#endif
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	TInt count;
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	TAllowedOutputPreference pref;
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	iArray.Reset();
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	TInt err = GetAllowedOutputCount(count);
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#ifdef _DEBUG 		
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	RDebug::Print(_L("CRestrictedAudioOutputProxy::Commit: Current array count = %d"), count);
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#endif		
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	for (TInt i=0; i < count;i++)
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	{
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		err = GetAllowedOutput(i, pref);		
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		TRAP(err,iArray.AppendL(pref));		
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	}
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	TInt length = iArray.Length() * count;
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	TPtrC8 arrayPtr((const TUint8*)&iArray[0], length);
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	TPckgC<TInt> countPckg(count);
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	iCustomCommand->CustomCommandSync(iMessageHandler, ERaofCommit, countPckg, arrayPtr );
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	return KErrNone;	
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	}
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// End of File