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/*
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* Copyright (c) 2006 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: Audio output msg handler implementation
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*
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*/
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// INCLUDE FILES
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#include "AudioOutput.h"
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#include "AudioOutputMessageHandler.h"
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#include "AudioOutputMessageTypes.h"
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#include "MAudioOutputObserver.h"
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//reason for defining this secure id here but not using from the mmfbase.hrh is that
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//lot of macros in mmfbase.hrh collide with base.hrh
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#define KUidMmfDrmPluginServerDefine 0x10283439
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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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CAudioOutputMessageHandler::CAudioOutputMessageHandler(CAudioOutput* aAudioOutput,
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CMMFObjectContainer& aContainer) :
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CMMFObject(KUidAudioOutput),
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iContainer(aContainer)
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{
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iAudioOutput = aAudioOutput;
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}
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// Two-phased constructor.
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EXPORT_C CAudioOutputMessageHandler* CAudioOutputMessageHandler::NewL(TAny* aCustomInterface,
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CMMFObjectContainer& aContainer)
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{
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CAudioOutput* audioOutput = (CAudioOutput*)aCustomInterface;
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CAudioOutputMessageHandler* self = new (ELeave) CAudioOutputMessageHandler(audioOutput,
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aContainer);
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self->ConstructL();
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return self;
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}
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// Destructor
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CAudioOutputMessageHandler::~CAudioOutputMessageHandler()
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{
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delete iAudioOutput;
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delete iCallbackMessage;
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::AudioOutputL
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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 TUid CAudioOutputMessageHandler::Uid()
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{
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return KUidAudioOutput;
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::SetAudioOutputL
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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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void CAudioOutputMessageHandler::HandleRequest(TMMFMessage& aMessage)
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{
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ASSERT(aMessage.Destination().InterfaceId() == KUidAudioOutput);
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TRAPD(error,DoHandleRequestL(aMessage));
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if(error)
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{
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aMessage.Complete(error);
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}
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::DoHandleRequestL
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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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void CAudioOutputMessageHandler::DoHandleRequestL(TMMFMessage& aMessage)
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{
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switch(aMessage.Function())
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{
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case EAofDelete:
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{
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DoDeleteL(aMessage);
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break;
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}
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case EAofRegisterObserver:
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{
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iCallbackMessage = new (ELeave) TMMFMessage( aMessage );
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DoRegisterObserverL();
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break;
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}
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case EAofSetAudioOutput:
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{
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DoSetAudioOutputL(aMessage);
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break;
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}
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case EAofGetAudioOutput:
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{
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DoGetAudioOutputL(aMessage);
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break;
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}
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case EAofSetSecureOutput:
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{
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DoSetSecureOutputL(aMessage);
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break;
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}
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case EAofUnregisterObserver:
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{
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DoUnregisterObserverL(aMessage);
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break;
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}
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default:
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{
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aMessage.Complete(KErrNotSupported);
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}
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}
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::DoDeleteL
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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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void CAudioOutputMessageHandler::DoDeleteL(TMMFMessage& aMessage)
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{
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aMessage.Complete(KErrNone);
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iContainer.RemoveAndDestroyMMFObject(*this);
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::DoRegisterObserverL
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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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void CAudioOutputMessageHandler::DoRegisterObserverL()
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{
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iAudioOutput->RegisterObserverL(*this);
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::DoSetAudioOutputL
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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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void CAudioOutputMessageHandler::DoSetAudioOutputL(TMMFMessage& aMessage)
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{
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TPckgBuf<CAudioOutput::TAudioOutputPreference> outputPckg;
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aMessage.ReadData1FromClient(outputPckg);
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CAudioOutput::TAudioOutputPreference output = outputPckg();
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iAudioOutput->SetAudioOutputL(output);
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aMessage.Complete(KErrNone);
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::DoSetSecureOutputL
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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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void CAudioOutputMessageHandler::DoSetSecureOutputL(TMMFMessage& aMessage)
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{
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//Since we allow the creation of CAudioOutput from Custom interface builder.
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//We have to make sure that this message is blocked in case we are running in Secure DRM process
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const TSecureId KSecureDRMSID(KUidMmfDrmPluginServerDefine);
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RThread currentThread;
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RProcess currentProcess;
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CleanupClosePushL(currentThread);
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CleanupClosePushL(currentProcess);
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User::LeaveIfError(currentThread.Process(currentProcess));
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TSecureId curProcessSID = currentProcess.SecureId();
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CleanupStack::PopAndDestroy();//calls currentThread.Close()
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CleanupStack::PopAndDestroy();//calls currentProcess.Close()
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if (curProcessSID == KSecureDRMSID)
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{
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//since we are in secure DRM process, completing request with KErrPermissionDenied.
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aMessage.Complete(KErrPermissionDenied);
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return;
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}
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TPckgBuf<TBool> secureOutputPckg;
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aMessage.ReadData1FromClient(secureOutputPckg);
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TBool secureOutput = secureOutputPckg();
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iAudioOutput->SetSecureOutputL(secureOutput);
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aMessage.Complete(KErrNone);
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::DoUnregisterObserverL
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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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void CAudioOutputMessageHandler::DoUnregisterObserverL(TMMFMessage& aMessage)
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{
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iAudioOutput->UnregisterObserver(*this);
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if ( iCallbackMessage )
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{
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if ( !iCallbackMessage->IsCompleted() )
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{
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iCallbackMessage->Complete(KErrNone);
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}
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}
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aMessage.Complete(KErrNone);
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delete iCallbackMessage;
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iCallbackMessage = NULL;
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::DefaultAudioOutputChanged
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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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void CAudioOutputMessageHandler::DefaultAudioOutputChanged( CAudioOutput& /*aAudioOutput*/,
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CAudioOutput::TAudioOutputPreference aNewDefault )
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{
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TPckgBuf<CAudioOutput::TAudioOutputPreference> outputPckg(aNewDefault);
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if ( iCallbackMessage )
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{
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if ( !iCallbackMessage->IsCompleted() )
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{
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iCallbackMessage->WriteDataToClient( outputPckg );
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iCallbackMessage->Complete( KErrNone );
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}
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}
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delete iCallbackMessage;
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iCallbackMessage = NULL;
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}
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// -----------------------------------------------------------------------------
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// CAudioOutputMessageHandler::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CAudioOutputMessageHandler::ConstructL()
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{
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}
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// ---------------------------------------------------------
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// CAudioOutputMessageHandler::DoSetAudioOutputL
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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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void CAudioOutputMessageHandler::DoGetAudioOutputL(TMMFMessage& aMessage)
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{
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#ifdef _DEBUG
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RDebug::Print(_L("CAudioOutputMessageHandler::DoGetAudioOutputL"));
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#endif
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CAudioOutput::TAudioOutputPreference outPut = iAudioOutput->AudioOutput();
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TPckgBuf<CAudioOutput::TAudioOutputPreference> outPutPckg(outPut);
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aMessage.WriteDataToClient(outPutPckg);
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aMessage.Complete(KErrNone);
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}
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// ========================== OTHER EXPORTED FUNCTIONS =========================
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// End of File
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