devsound/sounddevbt/src/server/Policy/MmfBtAudioPolicySession.cpp
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     1 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include "MmfBtAudioPolicySession.h"
       
    17 #include "MmfBtPolicyClientServer.h"
       
    18 #include "MmfBtAudioPolicyServer.h"
       
    19 #include "MmfBtDevSoundInfo.h"
       
    20 
       
    21 
       
    22 
       
    23 CMMFAudioPolicySession* CMMFAudioPolicySession::NewL()
       
    24 	{
       
    25 	CMMFAudioPolicySession* self = new(ELeave) CMMFAudioPolicySession();
       
    26 	CleanupStack::PushL(self);
       
    27 	self->ConstructL();
       
    28 	CleanupStack::Pop();
       
    29 	return self;
       
    30 	}
       
    31 
       
    32 void CMMFAudioPolicySession::ConstructL()
       
    33 	{
       
    34 	iAudioPolicyRequest = new (ELeave) CMMFAudioPolicyRequest();
       
    35 	}
       
    36 
       
    37 CMMFAudioPolicySession::CMMFAudioPolicySession() : iEventsQue(_FOFF(TMMFAudioPolicyEventHolder,iLink))
       
    38 	{
       
    39 	}
       
    40 
       
    41 void CMMFAudioPolicySession::CreateL(const CMmfIpcServer& aServer)
       
    42 	{
       
    43 	iServer = STATIC_CAST(CMMFAudioPolicyServer*, (CONST_CAST(CMmfIpcServer*, &aServer)));
       
    44 	iServer->IncrementSessionCount();
       
    45 	CMmfIpcSession::CreateL(aServer);
       
    46 	iServer->IncrementSessionId();
       
    47 	iPolicySessionId = iServer->PolicySessionId();
       
    48 	// Get ptr to AudioPolicy from the server
       
    49 	iAudioPolicy = iServer->AudioPolicy();
       
    50 	(iAudioPolicy->AudioPolicyRequestArray())->SetReserveL(iServer->PolicySessionCount());
       
    51 	}
       
    52 
       
    53 CMMFAudioPolicyServer* CMMFAudioPolicySession::Server()
       
    54 	{
       
    55 	return STATIC_CAST(CMMFAudioPolicyServer*, iServer);
       
    56 	}
       
    57 
       
    58 CMMFAudioPolicySession::~CMMFAudioPolicySession()
       
    59 	{
       
    60 	delete iEventReceiver;
       
    61 	delete iAudioPolicyRequest;
       
    62 	iEventReceiver=NULL;
       
    63 	if (!iEventsQue.IsEmpty())
       
    64 		{
       
    65 		TMMFAudioPolicyEventHolder* heldEvent = iEventsQue.First();
       
    66 		iEventsQue.Remove(*heldEvent);
       
    67 		delete heldEvent;
       
    68 		}
       
    69 	iAudioPolicyPrioritySettings.iState = EMMFStateClosed;
       
    70 	// Have session's CMMFAudioPolicyRequest object removed from list
       
    71 	iAudioPolicy->RemoveFromList(iPolicySessionId);
       
    72 	iServer->DecrementSessionCount();
       
    73 	iServer->StopNotificationTimer();
       
    74 	}
       
    75 
       
    76 void CMMFAudioPolicySession::ServiceL(const RMmfIpcMessage& aMessage)
       
    77 	{
       
    78 	TBool complete = EFalse;
       
    79 	switch(aMessage.Function())
       
    80 		{
       
    81 	case EMMFPolicyMakeRequest:
       
    82 		MakeRequestL(aMessage);
       
    83 		aMessage.Complete(KErrNone);
       
    84 		break;
       
    85 	case EMMFPolicySetDevSoundInfo:
       
    86 		complete = SetDevSoundInfoL(aMessage);
       
    87 		break;
       
    88 	case EMMFPolicyUpdateState:
       
    89 		complete = UpdateStateL(aMessage);
       
    90 		break;
       
    91 	case EMMFPolicyReceiveEvents:
       
    92 		complete = ReceiveEventsL(aMessage);
       
    93 		break;
       
    94 	case EMMFPolicyCancelReceiveEvents:
       
    95 		complete = CancelReceiveEvents();
       
    96 		break;
       
    97 	case EMMFPolicyGetPlayFormatsSupported:
       
    98 		complete = GetPlayFormatsSupportedL(aMessage);
       
    99 		break;
       
   100 	case EMMFPolicyGetRecordFormatsSupported:
       
   101 		complete = GetRecordFormatsSupportedL(aMessage);
       
   102 		break;
       
   103 	case EMMFPolicyGetPlayFormat:
       
   104 		complete = GetPlayFormatL(aMessage);
       
   105 		break;
       
   106 	case EMMFPolicyGetRecordFormat:
       
   107 		complete = GetRecordFormatL(aMessage);
       
   108 		break;
       
   109 	case EMMFPolicyLaunchRequests:
       
   110 		complete = LaunchRequest();
       
   111 		break;
       
   112 	case EMMFPolicyRequestResourceNotification:
       
   113 		complete = RequestResourceNotificationL(aMessage);
       
   114 		break;
       
   115 	case EMMFPolicyCancelRequestResourceNotification:
       
   116 		complete = CancelRequestResourceNotificationL(aMessage);
       
   117 		break;
       
   118 	case EMMFPolicyStopNotification:
       
   119 		complete = StopNotificationL(aMessage);
       
   120 		break;
       
   121 	case EMMFPolicyGetResourceNotificationEvent:
       
   122 		complete = GetResourceNotificationEventL(aMessage);
       
   123 		break;
       
   124 	default:
       
   125 		User::Leave(KErrNotSupported);
       
   126 		break;
       
   127 		}
       
   128 	if(complete)
       
   129 		{
       
   130 		aMessage.Complete(KErrNone);
       
   131 		}
       
   132 	}
       
   133 
       
   134 void CMMFAudioPolicySession::MakeRequestL(const RMmfIpcMessage& aMessage)
       
   135 	{
       
   136 	TMMFAudioPolicyPrioritySettingsPckg settingsPckg;
       
   137 	MmfMessageUtil::ReadL(aMessage, 0, settingsPckg);
       
   138 
       
   139 	iAudioPolicyRequest->SetPriority(settingsPckg().iPriority);
       
   140 	iAudioPolicyRequest->SetPref(settingsPckg().iPref);
       
   141 	iAudioPolicyRequest->SetState(settingsPckg().iState);
       
   142 
       
   143 	iAudioPolicyRequest->SetCapabilities(settingsPckg().iCapabilities);
       
   144 	
       
   145 	// Set session Id in Request
       
   146 	iAudioPolicyRequest->SetPolicySessionId(iPolicySessionId);
       
   147 	iAudioPolicy->MakeRequest(iAudioPolicyRequest);
       
   148 	}
       
   149 
       
   150 TBool CMMFAudioPolicySession::UpdateStateL(const RMmfIpcMessage& aMessage)
       
   151 	{
       
   152 	TMMFAudioPolicyPrioritySettingsPckg settingsPckg;
       
   153 	MmfMessageUtil::ReadL(aMessage, 0, settingsPckg);
       
   154 
       
   155 	iAudioPolicyRequest->SetState(settingsPckg().iState);
       
   156 	iAudioPolicy->ModifyEntry(iPolicySessionId, iAudioPolicyRequest); 
       
   157 	return ETrue;
       
   158 	}
       
   159 
       
   160 void CMMFAudioPolicySession::SendEventToClient(TMMFAudioPolicyEvent& aEvent)
       
   161 	{
       
   162 	if (iEventReceiver)
       
   163 		{
       
   164 		iEventReceiver->SendEvent(aEvent);
       
   165 		delete iEventReceiver;
       
   166 		iEventReceiver=NULL;
       
   167 		}
       
   168 	else 
       
   169 		{
       
   170 		TMMFAudioPolicyEventHolder* heldEvent = new TMMFAudioPolicyEventHolder(aEvent);
       
   171 		iEventsQue.AddLast(*heldEvent);
       
   172 		}
       
   173 	}
       
   174 
       
   175 TBool CMMFAudioPolicySession::SetDevSoundInfoL(const RMmfIpcMessage& aMessage)
       
   176 	{
       
   177 	TMMFDevSoundInfoPckg devSoundInfoPckg;
       
   178 	MmfMessageUtil::ReadL(aMessage, 0, devSoundInfoPckg);
       
   179 	iDevSoundId = devSoundInfoPckg().iDevSoundId;
       
   180 	return ETrue;
       
   181 	}
       
   182 
       
   183 TBool CMMFAudioPolicySession::ReceiveEventsL(const RMmfIpcMessage& aMessage)
       
   184 	{
       
   185 	if (iEventReceiver)
       
   186 		User::Leave(KErrAlreadyExists);
       
   187 	iEventReceiver = CMMFAudioPolicyEventReceiver::NewL(aMessage);
       
   188 	//send the next cached event (if any) to the client
       
   189 	if (!iEventsQue.IsEmpty())
       
   190 		{
       
   191 		TMMFAudioPolicyEventHolder* heldEvent = iEventsQue.First();
       
   192 		iEventReceiver->SendEvent(heldEvent->iEvent);
       
   193 		iEventsQue.Remove(*heldEvent);
       
   194 		delete iEventReceiver;
       
   195 		iEventReceiver=NULL;
       
   196 		}
       
   197 	return EFalse;
       
   198 	}
       
   199 
       
   200 TBool CMMFAudioPolicySession::CancelReceiveEvents()
       
   201 	{
       
   202 	delete iEventReceiver;
       
   203 	iEventReceiver = NULL;
       
   204 	return ETrue;
       
   205 	}
       
   206 
       
   207 TBool CMMFAudioPolicySession::GetPlayFormatsSupportedL(const RMmfIpcMessage& aMessage)
       
   208 	{
       
   209 	RMdaDevSound::TSoundFormatsSupportedBuf aPlayFormatsSupported;
       
   210 	aPlayFormatsSupported = iAudioPolicy->MdaHwInfo()->GetPlayFormatsSupported();
       
   211 	MmfMessageUtil::WriteL(aMessage, 0, aPlayFormatsSupported);
       
   212 	return ETrue;
       
   213 	}
       
   214 
       
   215 TBool CMMFAudioPolicySession::GetRecordFormatsSupportedL(const RMmfIpcMessage& aMessage)
       
   216 	{
       
   217 	RMdaDevSound::TSoundFormatsSupportedBuf aRecordFormatsSupported;
       
   218 	aRecordFormatsSupported = iAudioPolicy->MdaHwInfo()->GetRecordFormatsSupported();
       
   219 	MmfMessageUtil::WriteL(aMessage, 0, aRecordFormatsSupported);
       
   220 	return ETrue;
       
   221 	}
       
   222 
       
   223 TBool CMMFAudioPolicySession::GetPlayFormatL(const RMmfIpcMessage& aMessage)
       
   224 	{
       
   225 	RMdaDevSound::TCurrentSoundFormatBuf aPlayFormat;
       
   226 	aPlayFormat = iAudioPolicy->MdaHwInfo()->GetPlayFormat();
       
   227 	MmfMessageUtil::WriteL(aMessage, 0, aPlayFormat);
       
   228 	return ETrue;
       
   229 	}
       
   230 
       
   231 TBool CMMFAudioPolicySession::GetRecordFormatL(const RMmfIpcMessage& aMessage)
       
   232 	{
       
   233 	RMdaDevSound::TCurrentSoundFormatBuf aRecordFormat;
       
   234 	aRecordFormat = iAudioPolicy->MdaHwInfo()->GetRecordFormat();
       
   235 	MmfMessageUtil::WriteL(aMessage, 0, aRecordFormat);
       
   236 	return ETrue;
       
   237 	}
       
   238 
       
   239 TBool CMMFAudioPolicySession::LaunchRequest()
       
   240 	{
       
   241 	iAudioPolicy->LaunchRequest();
       
   242 	return ETrue;
       
   243 	}
       
   244 	
       
   245 TBool CMMFAudioPolicySession::RequestResourceNotificationL(const RMmfIpcMessage& aMessage)
       
   246 	{
       
   247 	TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
       
   248 	MmfMessageUtil::ReadL(aMessage, 0, notificationPckg);
       
   249 	iAudioPolicyRequest->SetNotificationEvent(notificationPckg().iNotificationUid);
       
   250 	iAudioPolicy->SetNotification(iPolicySessionId,notificationPckg().iNotificationUid);
       
   251 	return ETrue;
       
   252 	}
       
   253 
       
   254 TBool CMMFAudioPolicySession::CancelRequestResourceNotificationL(const RMmfIpcMessage& aMessage)
       
   255 	{
       
   256 	if(iServer->IsTimerActive() == EFalse)
       
   257 		{
       
   258 		iServer->StartNotificationTimer();
       
   259 		}
       
   260 	TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
       
   261 	MmfMessageUtil::ReadL(aMessage, 0, notificationPckg);
       
   262 	iAudioPolicyRequest->ResetNotificationEvent(notificationPckg().iNotificationUid);
       
   263 	iAudioPolicy->SetNotification(iPolicySessionId,KNullUid);
       
   264 	return ETrue;
       
   265 	}
       
   266 
       
   267 TBool CMMFAudioPolicySession::StopNotificationL(const RMmfIpcMessage& /*aMessage*/)
       
   268 	{
       
   269 	iServer->StopNotificationTimer();
       
   270 	return ETrue;
       
   271 	}
       
   272 	
       
   273 TBool CMMFAudioPolicySession::GetResourceNotificationEventL(const RMmfIpcMessage& aMessage)
       
   274 	{
       
   275 	TMMFAudioPolicyResourceNotificationSettingsPckg notificationPckg;
       
   276 	notificationPckg().iNotificationUid = iAudioPolicyRequest->NotificationEvent();
       
   277 	MmfMessageUtil::WriteL(aMessage, 0, notificationPckg);
       
   278 	return ETrue;
       
   279 	}
       
   280 	
       
   281 CMMFAudioPolicyEventReceiver* CMMFAudioPolicyEventReceiver::NewL(const RMmfIpcMessage& aMessage)
       
   282 	{
       
   283 	return new(ELeave) CMMFAudioPolicyEventReceiver(aMessage);
       
   284 	}
       
   285 
       
   286 CMMFAudioPolicyEventReceiver::~CMMFAudioPolicyEventReceiver()
       
   287 	{
       
   288 	if (iNeedToCompleteMessage)
       
   289 		iMessage.Complete(KErrDied);
       
   290 	}
       
   291 
       
   292 void CMMFAudioPolicyEventReceiver::SendEvent(const TMMFAudioPolicyEvent& aEvent)
       
   293 	{
       
   294 	TMMFAudioPolicyEventPckg eventpckg(aEvent);
       
   295 	TInt err = MmfMessageUtil::Write(iMessage, 0, eventpckg);
       
   296 	iMessage.Complete(err);
       
   297 	iNeedToCompleteMessage = EFalse;			
       
   298 	}
       
   299 	
       
   300 void CMMFAudioPolicyEventReceiver::SendEvent(const TMMFEvent& aEvent)
       
   301 	{
       
   302 	TMMFEventPckg eventpckg(aEvent);
       
   303 	TInt err = MmfMessageUtil::Write(iMessage, 0, eventpckg);
       
   304 	iMessage.Complete(err);
       
   305 	iNeedToCompleteMessage = EFalse;
       
   306 	}
       
   307 
       
   308 CMMFAudioPolicyEventReceiver::CMMFAudioPolicyEventReceiver(const RMmfIpcMessage& aMessage) : 
       
   309 	iMessage(aMessage), iNeedToCompleteMessage(ETrue)
       
   310 	{
       
   311 	}