--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsoundextensions/audiorouting/Output/AudioOutputMessageHandler/src/AudioOutputMessageHandler.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,285 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Audio output msg handler implementation
+*
+*/
+
+
+
+// INCLUDE FILES
+#include    "AudioOutput.h"
+#include    "AudioOutputMessageHandler.h"
+#include    "AudioOutputMessageTypes.h"
+#include	"MAudioOutputObserver.h"
+
+//reason for defining this secure id here but not using from the mmfbase.hrh is that 
+//lot of macros in mmfbase.hrh collide with base.hrh
+#define KUidMmfDrmPluginServerDefine            0x10283439
+
+// ================= MEMBER FUNCTIONS =======================
+
+// C++ default constructor can NOT contain any code, that
+// might leave.
+//
+CAudioOutputMessageHandler::CAudioOutputMessageHandler(CAudioOutput*        aAudioOutput,
+                                                       CMMFObjectContainer& aContainer) :
+	CMMFObject(KUidAudioOutput),
+	iContainer(aContainer)
+    {
+    iAudioOutput = aAudioOutput;
+    }
+
+// Two-phased constructor.
+EXPORT_C CAudioOutputMessageHandler* CAudioOutputMessageHandler::NewL(TAny*                aCustomInterface,
+                                                             CMMFObjectContainer& aContainer)
+    {
+    CAudioOutput* audioOutput = (CAudioOutput*)aCustomInterface;
+    CAudioOutputMessageHandler* self = new (ELeave) CAudioOutputMessageHandler(audioOutput,
+                                                                               aContainer);
+
+	self->ConstructL();
+    return self;
+    }
+
+    
+// Destructor
+CAudioOutputMessageHandler::~CAudioOutputMessageHandler()
+	{
+	delete iAudioOutput;
+	delete iCallbackMessage;
+	}
+
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::AudioOutputL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+EXPORT_C TUid CAudioOutputMessageHandler::Uid()
+	{
+	return KUidAudioOutput;
+	}
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::SetAudioOutputL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::HandleRequest(TMMFMessage& aMessage)
+	{
+	ASSERT(aMessage.Destination().InterfaceId() == KUidAudioOutput);
+	TRAPD(error,DoHandleRequestL(aMessage));
+	if(error)
+		{
+		aMessage.Complete(error);
+		}
+	}
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::DoHandleRequestL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::DoHandleRequestL(TMMFMessage& aMessage)
+	{
+
+	switch(aMessage.Function())
+		{
+		case EAofDelete:
+			{
+			DoDeleteL(aMessage);
+			break;
+			}
+		case EAofRegisterObserver:
+			{
+			iCallbackMessage = new (ELeave) TMMFMessage( aMessage );
+			DoRegisterObserverL();
+			break;
+			}
+		case EAofSetAudioOutput:
+			{
+			DoSetAudioOutputL(aMessage);
+			break;
+			}
+		case EAofGetAudioOutput:
+			{
+			DoGetAudioOutputL(aMessage);
+			break;
+			}			
+		case EAofSetSecureOutput:
+			{
+			DoSetSecureOutputL(aMessage);
+			break;
+			}
+		case EAofUnregisterObserver:
+			{
+			DoUnregisterObserverL(aMessage);
+			break;
+			}
+		default:
+			{
+			aMessage.Complete(KErrNotSupported);
+			}
+		}
+	}
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::DoDeleteL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::DoDeleteL(TMMFMessage& aMessage)
+	{
+	aMessage.Complete(KErrNone);
+	iContainer.RemoveAndDestroyMMFObject(*this);
+	}
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::DoRegisterObserverL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::DoRegisterObserverL()
+	{
+	iAudioOutput->RegisterObserverL(*this);
+	}
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::DoSetAudioOutputL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::DoSetAudioOutputL(TMMFMessage& aMessage)
+	{
+	TPckgBuf<CAudioOutput::TAudioOutputPreference> outputPckg;
+	aMessage.ReadData1FromClient(outputPckg);
+	CAudioOutput::TAudioOutputPreference output = outputPckg();
+	iAudioOutput->SetAudioOutputL(output);
+	aMessage.Complete(KErrNone);
+	}
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::DoSetSecureOutputL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::DoSetSecureOutputL(TMMFMessage& aMessage)
+	{
+	//Since we allow the creation of CAudioOutput from Custom interface builder. 
+	//We have to make sure that this message is blocked in case we are running in Secure DRM process
+	const TSecureId KSecureDRMSID(KUidMmfDrmPluginServerDefine);
+	RThread currentThread;
+	RProcess currentProcess;
+	CleanupClosePushL(currentThread);
+    CleanupClosePushL(currentProcess);
+	User::LeaveIfError(currentThread.Process(currentProcess));
+	TSecureId curProcessSID = currentProcess.SecureId();
+	CleanupStack::PopAndDestroy();//calls currentThread.Close()
+	CleanupStack::PopAndDestroy();//calls currentProcess.Close()
+	if (curProcessSID == KSecureDRMSID)
+	    {
+	    //since we are in secure DRM process, completing request with KErrPermissionDenied.
+	    aMessage.Complete(KErrPermissionDenied);
+	    return;
+	    }
+	TPckgBuf<TBool> secureOutputPckg;
+	aMessage.ReadData1FromClient(secureOutputPckg);
+	TBool secureOutput = secureOutputPckg();
+	iAudioOutput->SetSecureOutputL(secureOutput);
+	aMessage.Complete(KErrNone);
+	}
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::DoUnregisterObserverL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::DoUnregisterObserverL(TMMFMessage& aMessage)
+	{
+	iAudioOutput->UnregisterObserver(*this);
+	if ( iCallbackMessage )
+		{
+		if ( !iCallbackMessage->IsCompleted() )
+			{
+			iCallbackMessage->Complete(KErrNone);
+			}
+		}
+	aMessage.Complete(KErrNone);
+	delete iCallbackMessage;
+	iCallbackMessage = NULL;
+	}
+
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::DefaultAudioOutputChanged
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::DefaultAudioOutputChanged( CAudioOutput& /*aAudioOutput*/,
+		                                CAudioOutput::TAudioOutputPreference aNewDefault )
+	{
+	TPckgBuf<CAudioOutput::TAudioOutputPreference> outputPckg(aNewDefault);
+
+	if ( iCallbackMessage )
+		{
+		if ( !iCallbackMessage->IsCompleted() )
+			{
+			iCallbackMessage->WriteDataToClient( outputPckg );
+			iCallbackMessage->Complete( KErrNone );
+			}
+		}
+	delete iCallbackMessage;
+	iCallbackMessage = NULL;
+	}
+
+
+// -----------------------------------------------------------------------------
+// CAudioOutputMessageHandler::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CAudioOutputMessageHandler::ConstructL()
+	{
+	}
+
+// ---------------------------------------------------------
+// CAudioOutputMessageHandler::DoSetAudioOutputL
+// ?implementation_description
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CAudioOutputMessageHandler::DoGetAudioOutputL(TMMFMessage& aMessage)
+	{
+#ifdef _DEBUG
+    RDebug::Print(_L("CAudioOutputMessageHandler::DoGetAudioOutputL"));
+#endif
+	CAudioOutput::TAudioOutputPreference outPut = iAudioOutput->AudioOutput();
+	TPckgBuf<CAudioOutput::TAudioOutputPreference> outPutPckg(outPut);
+	aMessage.WriteDataToClient(outPutPckg);
+	aMessage.Complete(KErrNone);
+	}
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+
+
+// End of File