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