os/mm/devsound/sounddevbt/src/server/Policy/MmfBtAudioPolicySession.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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// Copyright (c) 2000-2009 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 "MmfBtAudioPolicySession.h"
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#include "MmfBtPolicyClientServer.h"
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#include "MmfBtAudioPolicyServer.h"
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#include "MmfBtDevSoundInfo.h"
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CMMFAudioPolicySession* CMMFAudioPolicySession::NewL()
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	{
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	CMMFAudioPolicySession* self = new(ELeave) CMMFAudioPolicySession();
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	CleanupStack::PushL(self);
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	self->ConstructL();
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	CleanupStack::Pop();
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	return self;
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	}
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void CMMFAudioPolicySession::ConstructL()
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	{
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	iAudioPolicyRequest = new (ELeave) CMMFAudioPolicyRequest();
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	}
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CMMFAudioPolicySession::CMMFAudioPolicySession() : iEventsQue(_FOFF(TMMFAudioPolicyEventHolder,iLink))
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	{
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	}
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void CMMFAudioPolicySession::CreateL(const CMmfIpcServer& aServer)
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	{
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	iServer = STATIC_CAST(CMMFAudioPolicyServer*, (CONST_CAST(CMmfIpcServer*, &aServer)));
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	iServer->IncrementSessionCount();
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	CMmfIpcSession::CreateL(aServer);
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	iServer->IncrementSessionId();
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	iPolicySessionId = iServer->PolicySessionId();
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	// Get ptr to AudioPolicy from the server
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	iAudioPolicy = iServer->AudioPolicy();
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	(iAudioPolicy->AudioPolicyRequestArray())->SetReserveL(iServer->PolicySessionCount());
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	}
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CMMFAudioPolicyServer* CMMFAudioPolicySession::Server()
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	{
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	return STATIC_CAST(CMMFAudioPolicyServer*, iServer);
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	}
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CMMFAudioPolicySession::~CMMFAudioPolicySession()
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	{
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	delete iEventReceiver;
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	delete iAudioPolicyRequest;
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	iEventReceiver=NULL;
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	if (!iEventsQue.IsEmpty())
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		{
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		TMMFAudioPolicyEventHolder* heldEvent = iEventsQue.First();
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		iEventsQue.Remove(*heldEvent);
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		delete heldEvent;
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		}
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	iAudioPolicyPrioritySettings.iState = EMMFStateClosed;
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	// Have session's CMMFAudioPolicyRequest object removed from list
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	iAudioPolicy->RemoveFromList(iPolicySessionId);
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	iServer->DecrementSessionCount();
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	iServer->StopNotificationTimer();
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	}
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void CMMFAudioPolicySession::ServiceL(const RMmfIpcMessage& aMessage)
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	{
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	TBool complete = EFalse;
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	switch(aMessage.Function())
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		{
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	case EMMFPolicyMakeRequest:
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		MakeRequestL(aMessage);
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		aMessage.Complete(KErrNone);
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		break;
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	case EMMFPolicySetDevSoundInfo:
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		complete = SetDevSoundInfoL(aMessage);
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		break;
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	case EMMFPolicyUpdateState:
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		complete = UpdateStateL(aMessage);
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		break;
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	case EMMFPolicyReceiveEvents:
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		complete = ReceiveEventsL(aMessage);
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		break;
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	case EMMFPolicyCancelReceiveEvents:
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		complete = CancelReceiveEvents();
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		break;
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	case EMMFPolicyGetPlayFormatsSupported:
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		complete = GetPlayFormatsSupportedL(aMessage);
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		break;
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	case EMMFPolicyGetRecordFormatsSupported:
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		complete = GetRecordFormatsSupportedL(aMessage);
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		break;
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	case EMMFPolicyGetPlayFormat:
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		complete = GetPlayFormatL(aMessage);
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		break;
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	case EMMFPolicyGetRecordFormat:
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		complete = GetRecordFormatL(aMessage);
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		break;
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	case EMMFPolicyLaunchRequests:
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		complete = LaunchRequest();
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		break;
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	case EMMFPolicyRequestResourceNotification:
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		complete = RequestResourceNotificationL(aMessage);
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		break;
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	case EMMFPolicyCancelRequestResourceNotification:
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		complete = CancelRequestResourceNotificationL(aMessage);
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		break;
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	case EMMFPolicyStopNotification:
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		complete = StopNotificationL(aMessage);
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		break;
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	case EMMFPolicyGetResourceNotificationEvent:
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		complete = GetResourceNotificationEventL(aMessage);
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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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	if(complete)
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		{
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		aMessage.Complete(KErrNone);
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		}
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	}
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void CMMFAudioPolicySession::MakeRequestL(const RMmfIpcMessage& aMessage)
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	{
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	TMMFAudioPolicyPrioritySettingsPckg settingsPckg;
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	MmfMessageUtil::ReadL(aMessage, 0, settingsPckg);
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	iAudioPolicyRequest->SetPriority(settingsPckg().iPriority);
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	iAudioPolicyRequest->SetPref(settingsPckg().iPref);
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	iAudioPolicyRequest->SetState(settingsPckg().iState);
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	iAudioPolicyRequest->SetCapabilities(settingsPckg().iCapabilities);
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	// Set session Id in Request
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	iAudioPolicyRequest->SetPolicySessionId(iPolicySessionId);
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	iAudioPolicy->MakeRequest(iAudioPolicyRequest);
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	}
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TBool CMMFAudioPolicySession::UpdateStateL(const RMmfIpcMessage& aMessage)
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	{
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	TMMFAudioPolicyPrioritySettingsPckg settingsPckg;
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	MmfMessageUtil::ReadL(aMessage, 0, settingsPckg);
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	iAudioPolicyRequest->SetState(settingsPckg().iState);
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	iAudioPolicy->ModifyEntry(iPolicySessionId, iAudioPolicyRequest); 
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	return ETrue;
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	}
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void CMMFAudioPolicySession::SendEventToClient(TMMFAudioPolicyEvent& aEvent)
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	{
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	if (iEventReceiver)
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		{
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		iEventReceiver->SendEvent(aEvent);
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		delete iEventReceiver;
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		iEventReceiver=NULL;
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		}
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	else 
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		{
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		TMMFAudioPolicyEventHolder* heldEvent = new TMMFAudioPolicyEventHolder(aEvent);
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		iEventsQue.AddLast(*heldEvent);
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		}
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	}
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TBool CMMFAudioPolicySession::SetDevSoundInfoL(const RMmfIpcMessage& aMessage)
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	{
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	TMMFDevSoundInfoPckg devSoundInfoPckg;
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	MmfMessageUtil::ReadL(aMessage, 0, devSoundInfoPckg);
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	iDevSoundId = devSoundInfoPckg().iDevSoundId;
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::ReceiveEventsL(const RMmfIpcMessage& aMessage)
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	{
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	if (iEventReceiver)
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		User::Leave(KErrAlreadyExists);
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	iEventReceiver = CMMFAudioPolicyEventReceiver::NewL(aMessage);
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	//send the next cached event (if any) to the client
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	if (!iEventsQue.IsEmpty())
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		{
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		TMMFAudioPolicyEventHolder* heldEvent = iEventsQue.First();
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		iEventReceiver->SendEvent(heldEvent->iEvent);
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		iEventsQue.Remove(*heldEvent);
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		delete iEventReceiver;
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		iEventReceiver=NULL;
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		}
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	return EFalse;
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	}
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TBool CMMFAudioPolicySession::CancelReceiveEvents()
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	{
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	delete iEventReceiver;
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	iEventReceiver = NULL;
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::GetPlayFormatsSupportedL(const RMmfIpcMessage& aMessage)
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	{
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	RMdaDevSound::TSoundFormatsSupportedBuf aPlayFormatsSupported;
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	aPlayFormatsSupported = iAudioPolicy->MdaHwInfo()->GetPlayFormatsSupported();
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	MmfMessageUtil::WriteL(aMessage, 0, aPlayFormatsSupported);
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::GetRecordFormatsSupportedL(const RMmfIpcMessage& aMessage)
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	{
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	RMdaDevSound::TSoundFormatsSupportedBuf aRecordFormatsSupported;
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	aRecordFormatsSupported = iAudioPolicy->MdaHwInfo()->GetRecordFormatsSupported();
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	MmfMessageUtil::WriteL(aMessage, 0, aRecordFormatsSupported);
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::GetPlayFormatL(const RMmfIpcMessage& aMessage)
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	{
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	RMdaDevSound::TCurrentSoundFormatBuf aPlayFormat;
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	aPlayFormat = iAudioPolicy->MdaHwInfo()->GetPlayFormat();
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	MmfMessageUtil::WriteL(aMessage, 0, aPlayFormat);
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::GetRecordFormatL(const RMmfIpcMessage& aMessage)
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	{
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	RMdaDevSound::TCurrentSoundFormatBuf aRecordFormat;
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	aRecordFormat = iAudioPolicy->MdaHwInfo()->GetRecordFormat();
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	MmfMessageUtil::WriteL(aMessage, 0, aRecordFormat);
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::LaunchRequest()
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	{
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	iAudioPolicy->LaunchRequest();
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::RequestResourceNotificationL(const RMmfIpcMessage& aMessage)
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	{
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	TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
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	MmfMessageUtil::ReadL(aMessage, 0, notificationPckg);
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	iAudioPolicyRequest->SetNotificationEvent(notificationPckg().iNotificationUid);
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	iAudioPolicy->SetNotification(iPolicySessionId,notificationPckg().iNotificationUid);
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::CancelRequestResourceNotificationL(const RMmfIpcMessage& aMessage)
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	{
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	if(iServer->IsTimerActive() == EFalse)
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		{
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		iServer->StartNotificationTimer();
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		}
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	TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
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	MmfMessageUtil::ReadL(aMessage, 0, notificationPckg);
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	iAudioPolicyRequest->ResetNotificationEvent(notificationPckg().iNotificationUid);
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	iAudioPolicy->SetNotification(iPolicySessionId,KNullUid);
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::StopNotificationL(const RMmfIpcMessage& /*aMessage*/)
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	{
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	iServer->StopNotificationTimer();
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	return ETrue;
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	}
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TBool CMMFAudioPolicySession::GetResourceNotificationEventL(const RMmfIpcMessage& aMessage)
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	{
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	TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
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	notificationPckg().iNotificationUid = iAudioPolicyRequest->NotificationEvent();
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	MmfMessageUtil::WriteL(aMessage, 0, notificationPckg);
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	return ETrue;
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	}
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CMMFAudioPolicyEventReceiver* CMMFAudioPolicyEventReceiver::NewL(const RMmfIpcMessage& aMessage)
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	{
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	return new(ELeave) CMMFAudioPolicyEventReceiver(aMessage);
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	}
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CMMFAudioPolicyEventReceiver::~CMMFAudioPolicyEventReceiver()
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	{
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	if (iNeedToCompleteMessage)
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		iMessage.Complete(KErrDied);
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	}
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void CMMFAudioPolicyEventReceiver::SendEvent(const TMMFAudioPolicyEvent& aEvent)
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	{
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	TMMFAudioPolicyEventPckg eventpckg(aEvent);
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	TInt err = MmfMessageUtil::Write(iMessage, 0, eventpckg);
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	iMessage.Complete(err);
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	iNeedToCompleteMessage = EFalse;			
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	}
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void CMMFAudioPolicyEventReceiver::SendEvent(const TMMFEvent& aEvent)
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	{
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	TMMFEventPckg eventpckg(aEvent);
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	TInt err = MmfMessageUtil::Write(iMessage, 0, eventpckg);
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	iMessage.Complete(err);
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	iNeedToCompleteMessage = EFalse;
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	}
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CMMFAudioPolicyEventReceiver::CMMFAudioPolicyEventReceiver(const RMmfIpcMessage& aMessage) : 
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	iMessage(aMessage), iNeedToCompleteMessage(ETrue)
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	{
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	}