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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 "MmfAudioPolicySession.h"
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#include "MmfPolicyClientServer.h"
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#include "MmfAudioPolicyServer.h"
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#include "MmfDevSoundInfo.h"
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const TInt KEventQLimit=16; // maximum number of pending events per session
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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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iNoMemoryEventHolder(TMMFAudioPolicyEvent(TMMFAudioPolicyEvent::EMMFAudioPolicyResourceNotification, KErrNoMemory, EMMFStateCompleted), EFalse)
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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->ReserveClientNumL(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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iEventReceiver=NULL;
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ClearEventQ();
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iAudioPolicyPrioritySettings.iState = EMMFStateClosed;
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// Have session's CMMFAudioPolicyRequest object removed from list
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if (iAudioPolicy != NULL)
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{
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iAudioPolicy->RemoveFromList(iPolicySessionId);
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}
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delete iAudioPolicyRequest;
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if (iServer != NULL)
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{
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iServer->DecrementSessionCount();
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iServer->StopNotificationTimer();
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}
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}
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void CMMFAudioPolicySession::ClearEventQ()
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{
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while (!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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if (heldEvent == &iNoMemoryEventHolder)
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{
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iNoMemoryEventUsed = EFalse;
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}
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if (heldEvent->iShallBeDeleted)
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{
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delete heldEvent;
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}
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--iEventQSize;
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}
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}
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void CMMFAudioPolicySession::ServiceL(const RMmfIpcMessage& aMessage)
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{
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if (iEventQSize > KEventQLimit)
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{
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aMessage.Panic(KMMFAudioPolicyPanicCategory, EMMFAudioPolicySessionEventQueueOverflow);
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return;
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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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iAudioPolicy->ModifyEntry(iPolicySessionId, settingsPckg().iState);
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return ETrue;
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}
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void CMMFAudioPolicySession::SendEventToClient(const 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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if (++iEventQSize > KEventQLimit) // check if Q is not full
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{
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return; // we'll panic that bad client later
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}
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TMMFAudioPolicyEventHolder* heldEvent = new TMMFAudioPolicyEventHolder(aEvent, ETrue);
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if (heldEvent==NULL && !iNoMemoryEventUsed)
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{
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heldEvent=&iNoMemoryEventHolder;
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iNoMemoryEventUsed = ETrue;
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}
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if (heldEvent)
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{
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iEventsQue.AddLast(*heldEvent);
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}
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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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#if defined(ALLOW_POLICY_DEBUG)
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RDebug::Print(_L("Sess. ID=%d listen to events"),iPolicySessionId);
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#endif
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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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if (heldEvent == &iNoMemoryEventHolder)
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{
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iNoMemoryEventUsed = EFalse;
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}
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--iEventQSize;
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if (heldEvent->iShallBeDeleted)
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{
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delete heldEvent;
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}
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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( iAudioPolicyRequest->PolicySessionId() );
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return ETrue;
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}
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TBool CMMFAudioPolicySession::RequestResourceNotificationL(const RMmfIpcMessage& aMessage)
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sl@0
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297 |
{
|
|
sl@0
|
298 |
TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
|
|
sl@0
|
299 |
MmfMessageUtil::ReadL(aMessage, 0, notificationPckg);
|
|
sl@0
|
300 |
iAudioPolicyRequest->SetNotificationEvent(notificationPckg().iNotificationUid);
|
|
sl@0
|
301 |
iAudioPolicyRequest->SetRequestDataL(notificationPckg().iNotificationDelay);
|
|
sl@0
|
302 |
iAudioPolicy->SetNotification(iPolicySessionId,notificationPckg().iNotificationUid);
|
|
sl@0
|
303 |
return ETrue;
|
|
sl@0
|
304 |
}
|
|
sl@0
|
305 |
|
|
sl@0
|
306 |
TBool CMMFAudioPolicySession::CancelRequestResourceNotificationL(const RMmfIpcMessage& aMessage)
|
|
sl@0
|
307 |
{
|
|
sl@0
|
308 |
TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
|
|
sl@0
|
309 |
MmfMessageUtil::ReadL(aMessage, 0, notificationPckg);
|
|
sl@0
|
310 |
iAudioPolicyRequest->ResetNotificationEvent(notificationPckg().iNotificationUid);
|
|
sl@0
|
311 |
iAudioPolicy->SetNotification(iPolicySessionId,KNullUid);
|
|
sl@0
|
312 |
return ETrue;
|
|
sl@0
|
313 |
}
|
|
sl@0
|
314 |
|
|
sl@0
|
315 |
TBool CMMFAudioPolicySession::StopNotificationL(const RMmfIpcMessage& /*aMessage*/)
|
|
sl@0
|
316 |
{
|
|
sl@0
|
317 |
iServer->StopNotificationTimer();
|
|
sl@0
|
318 |
return ETrue;
|
|
sl@0
|
319 |
}
|
|
sl@0
|
320 |
|
|
sl@0
|
321 |
TBool CMMFAudioPolicySession::GetResourceNotificationEventL(const RMmfIpcMessage& aMessage) const
|
|
sl@0
|
322 |
{
|
|
sl@0
|
323 |
TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
|
|
sl@0
|
324 |
notificationPckg().iNotificationUid = iAudioPolicyRequest->NotificationEvent();
|
|
sl@0
|
325 |
MmfMessageUtil::WriteL(aMessage, 0, notificationPckg);
|
|
sl@0
|
326 |
return ETrue;
|
|
sl@0
|
327 |
}
|
|
sl@0
|
328 |
|
|
sl@0
|
329 |
CMMFAudioPolicyEventReceiver* CMMFAudioPolicyEventReceiver::NewL(const RMmfIpcMessage& aMessage)
|
|
sl@0
|
330 |
{
|
|
sl@0
|
331 |
return new(ELeave) CMMFAudioPolicyEventReceiver(aMessage);
|
|
sl@0
|
332 |
}
|
|
sl@0
|
333 |
|
|
sl@0
|
334 |
CMMFAudioPolicyEventReceiver::~CMMFAudioPolicyEventReceiver()
|
|
sl@0
|
335 |
{
|
|
sl@0
|
336 |
if (iNeedToCompleteMessage)
|
|
sl@0
|
337 |
{
|
|
sl@0
|
338 |
iMessage.Complete(KErrDied);
|
|
sl@0
|
339 |
}
|
|
sl@0
|
340 |
}
|
|
sl@0
|
341 |
|
|
sl@0
|
342 |
void CMMFAudioPolicyEventReceiver::SendEvent(const TMMFAudioPolicyEvent& aEvent)
|
|
sl@0
|
343 |
{
|
|
sl@0
|
344 |
TMMFAudioPolicyEventPckg eventpckg(aEvent);
|
|
sl@0
|
345 |
TInt err = MmfMessageUtil::Write(iMessage, 0, eventpckg);
|
|
sl@0
|
346 |
iMessage.Complete(err);
|
|
sl@0
|
347 |
iNeedToCompleteMessage = EFalse;
|
|
sl@0
|
348 |
}
|
|
sl@0
|
349 |
|
|
sl@0
|
350 |
void CMMFAudioPolicyEventReceiver::SendEvent(const TMMFEvent& aEvent)
|
|
sl@0
|
351 |
{
|
|
sl@0
|
352 |
TMMFEventPckg eventpckg(aEvent);
|
|
sl@0
|
353 |
TInt err = MmfMessageUtil::Write(iMessage, 0, eventpckg);
|
|
sl@0
|
354 |
iMessage.Complete(err);
|
|
sl@0
|
355 |
iNeedToCompleteMessage = EFalse;
|
|
sl@0
|
356 |
}
|
|
sl@0
|
357 |
|
|
sl@0
|
358 |
CMMFAudioPolicyEventReceiver::CMMFAudioPolicyEventReceiver(const RMmfIpcMessage& aMessage) :
|
|
sl@0
|
359 |
iMessage(aMessage), iNeedToCompleteMessage(ETrue)
|
|
sl@0
|
360 |
{
|
|
sl@0
|
361 |
}
|
|
sl@0
|
362 |
|
|
sl@0
|
363 |
CMMFAudioPolicyRequest::CMMFAudioPolicyRequest():
|
|
sl@0
|
364 |
iPolicySessionId(KErrNotFound),
|
|
sl@0
|
365 |
iReqDataPtr(KNullDesC8)
|
|
sl@0
|
366 |
{
|
|
sl@0
|
367 |
iNotificationEventUid = KNullUid;
|
|
sl@0
|
368 |
}
|
|
sl@0
|
369 |
|
|
sl@0
|
370 |
CMMFAudioPolicyRequest::~CMMFAudioPolicyRequest()
|
|
sl@0
|
371 |
{
|
|
sl@0
|
372 |
delete iRequestData;
|
|
sl@0
|
373 |
}
|
|
sl@0
|
374 |
|
|
sl@0
|
375 |
void CMMFAudioPolicyRequest::SetRequestDataL(const TDesC8& aRequestData)
|
|
sl@0
|
376 |
{
|
|
sl@0
|
377 |
iReqDataPtr.Set(KNullDesC8);
|
|
sl@0
|
378 |
if (aRequestData.Length() == 0)
|
|
sl@0
|
379 |
{
|
|
sl@0
|
380 |
return;
|
|
sl@0
|
381 |
}
|
|
sl@0
|
382 |
if (iRequestData==NULL || (iRequestData && iRequestData->Des().MaxLength()<aRequestData.Length()))
|
|
sl@0
|
383 |
{
|
|
sl@0
|
384 |
delete iRequestData;
|
|
sl@0
|
385 |
iRequestData = NULL;
|
|
sl@0
|
386 |
iRequestData = aRequestData.AllocL();
|
|
sl@0
|
387 |
}
|
|
sl@0
|
388 |
else
|
|
sl@0
|
389 |
{
|
|
sl@0
|
390 |
iRequestData->Des().Copy(aRequestData);
|
|
sl@0
|
391 |
}
|
|
sl@0
|
392 |
iReqDataPtr.Set(*iRequestData);
|
|
sl@0
|
393 |
}
|
|
sl@0
|
394 |
|
|
sl@0
|
395 |
|
|
sl@0
|
396 |
|