devsound/devsoundrefplugin/src/platsec/server/AudioServer/MmfAudioServerSession.cpp
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// Copyright (c) 2004-2009 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:
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//
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#include "MmfAudioServerSession.h"
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#include "MmfAudioClientServer.h"
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#include "MmfAudioServer.h"
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#include <s32mem.h>
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#include <e32math.h>
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/*
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 This call takes ownership of aDevSoundSessionHandle. We need to ensure that it is closed
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 in case of failure, but want to avoid double close situations. We emporarily push the argument
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 onto cleanup stack and pass it into the CMMFAudioServerSession once we know that the assignment
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 can't fail. The latter object itself takes ownership.
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 */
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CMMFAudioServerSession* CMMFAudioServerSession::NewL(RHandleBase& aDevSoundSessionHandle)
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	{
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	CleanupClosePushL(aDevSoundSessionHandle);
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	CMMFAudioServerSession* self = new(ELeave) CMMFAudioServerSession();
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	CleanupStack::Pop(&aDevSoundSessionHandle);
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	self->SetDevSoundSessionHandle(aDevSoundSessionHandle);
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	CleanupStack::Pop(self);
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	return self;
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	}
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void CMMFAudioServerSession::ConstructL()
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	{
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	}
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CMMFAudioServerSession::CMMFAudioServerSession()// : iEventsQue(_FOFF(TMMFAudioPolicyEventHolder,iLink))
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	{
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	}
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void CMMFAudioServerSession::CreateL(const CMmfIpcServer& aServer)
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	{
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	CMmfIpcSession::CreateL(aServer);
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	CMMFAudioServer* server = static_cast<CMMFAudioServer*>(CONST_CAST(CMmfIpcServer*, &aServer));
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	server->IncrementSessionId();
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	iAudioServerSessionId = server->AudioServerSessionId();
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	}
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CMMFAudioServerSession::~CMMFAudioServerSession()
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	{
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	CMMFAudioServer* server = 
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		const_cast<CMMFAudioServer*>(static_cast<const CMMFAudioServer*>(Server()));
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	if (server)
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		{
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		server->DecrementSessionId();		
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		}
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	iDevSoundSessionHandle.Close();
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	}
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void CMMFAudioServerSession::ServiceL(const RMmfIpcMessage& aMessage)
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	{
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	switch(aMessage.Function())
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		{
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	case EMMFDevSoundSessionHandle:
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		aMessage.Complete(iDevSoundSessionHandle);
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		break;
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	default:
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		User::Leave(KErrNotSupported);
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		break;
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		}
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	}
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void CMMFAudioServerSession::SendEventToClient(/*TMMFAudioPolicyEvent& aEvent*/)
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	{
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	}
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void CMMFAudioServerSession::SetDevSoundSessionHandle(RHandleBase& aDevSoundSessionHandle)
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	{
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	iDevSoundSessionHandle = aDevSoundSessionHandle;
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	}