--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmresourcemgmt/mmresctrl/src/mmrcserver/mmrcserverrulemanager.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,253 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// mmrcserverpolicymanager.cpp
+// 
+//
+
+#include "mmrcserverrulemanager.h"
+#include "mmrcserversession.h"
+#include "mmrcservercontroller.h"
+#include "mmrcerrorcodes.h"
+#include "mlogicalchain.h"
+#include <a3f/a3f_trace_utils.h>
+
+
+/**
+ * By default Symbian 2nd phase constructor is private.
+ * @param CMMRCServerController& A reference on the MMRC Server controller
+ */
+CMMRCServerRuleManager::CMMRCServerRuleManager(CMMRCServerController& aServerController)
+:iMMRCServerController(aServerController)
+	{
+	TRACE_CREATE();
+	DP_CONTEXT(----> CMMRCServerRuleManager::CMMRCServerRuleManager *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	
+	DP_OUT();
+	}
+
+/**
+ * Destructor
+ */
+CMMRCServerRuleManager::~CMMRCServerRuleManager( )
+	{
+	DP_CONTEXT(----> CMMRCServerRuleManager::~CMMRCServerRuleManager *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	
+	DP_OUT();
+	}
+
+/**
+ * Constructs, and returns a pointer to, a new CMMRCServerRuleManager object.
+ * Leaves on failure.
+ * @param CMMRCServerController& A reference on the MMRC Server controller
+ * @return CMMRCServerRuleManager* A pointer to newly created utlitly object.
+ */
+CMMRCServerRuleManager* CMMRCServerRuleManager::NewL(CMMRCServerController& aServerController)
+	{
+	DP_STATIC_CONTEXT(----> CMMRCServerRuleManager::NewL *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	
+	CMMRCServerRuleManager* self = NewLC(aServerController);
+	CleanupStack::Pop ( self );
+
+	DP0_RET(self, "self=0x%x");
+	}
+
+/**
+ * Constructs, leaves object on the cleanup stack, and returns a pointer
+ * to, a new CMMRCServerRuleManager object.
+ * Leaves on failure.
+ * @param CMMRCServerController& A reference on the MMRC Server controller
+ * @return CMMRCServerRuleManager* A pointer to newly created utlitly object.
+ */
+CMMRCServerRuleManager* CMMRCServerRuleManager::NewLC(CMMRCServerController& aServerController)
+	{
+	DP_STATIC_CONTEXT(----> CMMRCServerRuleManager::NewLC *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	
+	CMMRCServerRuleManager* self = new(ELeave) CMMRCServerRuleManager(aServerController);
+	CleanupStack::PushL (self );
+	self->ConstructL (  );
+
+	DP0_RET(self, "self=0x%x");
+	}
+
+/**
+ 	CMMRCServerRuleManager::ConstructL
+ 	Symbian 2nd phase constructor can leave.
+ */
+void CMMRCServerRuleManager::ConstructL()
+	{
+	DP_CONTEXT(----> CMMRCServerRuleManager::ConstructL *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	
+	DP_OUT();
+	}
+
+/**
+ * Deduce the rule on the message according to the previous and current state
+ * Return EProcessOnIdle if no rule has been found.
+ * Leaves on failure.
+ * @param TAudioState aAudioStateAllocatedResource
+ * @param TAudioState aAudioStateRequiringProcess
+ * @return TMMRCRule rule
+ */
+TMMRCRule CMMRCServerRuleManager::DecisionRule(TAudioState aAudioStateAllocatedResource, TAudioState aAudioStateRequiringProcess )
+	{
+	DP_CONTEXT(RMMRCClient::Open *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	
+	TMMRCRule rule = EProcessOnIdle;
+	switch ( aAudioStateAllocatedResource )
+		{
+		//
+		case EUninitialized:
+		case EInitialized:
+		case EDead:
+			rule = EAlwaysProcess;
+		break;
+		
+		//
+		case EIdle:
+		case EPrimed:
+		case EActive:
+			{
+			if ( aAudioStateRequiringProcess == EUninitialized || aAudioStateRequiringProcess == EInitialized)
+				{
+				rule = EAlwaysProcess;
+				}
+			}
+		break;
+		
+		default:
+			__ASSERT_DEBUG(EFalse, User::Panic(KMMRCErrorNameUnkwnonAudioState, EMMRCErrorUnkwnonAudioState));
+		break;
+		}
+	
+	DP0_RET(rule, "rule=%d");
+	}
+
+/**
+ * Deduce the rule on the message according to the previous and current state
+ * Return EStop if no rule has been found.
+ * @param TAudioState aAudioStateAllocatedResource
+ * @param TAudioState aAudioStateRequiringProcess
+ * @return TMMRCRule rule
+ */
+TReason CMMRCServerRuleManager::ActionReason(TAudioState aAudioStateLastCommited, TAudioState aAudioStateRequested )
+	{
+	DP_CONTEXT(----> CMMRCServerRuleManager::ActionReason *CD1*, CtxDevSound, DPLOCAL);
+	DP_IN();
+	
+	TReason reason;
+	switch (aAudioStateRequested )
+		{
+		case EUninitialized:
+		if ( aAudioStateLastCommited == EInitialized )
+			{
+			reason = EUninitialize;
+			}
+		else
+			{
+			reason = EUninitialize ;
+			}
+		break;
+		
+		case EInitialized:
+			if ( aAudioStateLastCommited == EUninitialized )
+				{
+				reason = EInitialize;
+				}
+			else if ( aAudioStateLastCommited == EIdle )
+				{
+				reason = EUnload;
+				}
+			else if ( aAudioStateLastCommited == EPrimed )
+				{
+				reason = EPrimeReason;
+				}
+			else if ( aAudioStateLastCommited == EActive )
+				{
+				reason = EStop;
+				}
+			else 
+				{
+				reason = EInitialize ;
+				}
+		break;
+		
+		case EIdle:
+			if ( aAudioStateLastCommited == EUninitialized )
+				{
+				reason = ELoad;
+				}
+			else if ( aAudioStateLastCommited == EInitialized )
+				{
+				reason = ELoad;
+				}
+			else if ( aAudioStateLastCommited == EPrimed )
+				{
+				reason = EStop;
+				}
+			else if ( aAudioStateLastCommited == EActive )
+				{
+				reason = EStop;
+				}
+			else 
+				{
+				reason = ELoad;
+				}
+		break;
+		
+		case EPrimed:
+			if ( aAudioStateLastCommited == EIdle )
+				{
+				reason = EPrimeReason;
+				}
+			else if ( aAudioStateLastCommited == EActive )
+				{
+				reason = EPrimeReason;
+				}
+			else 
+				{
+				reason = EPrimeReason;
+				}
+		break;
+		
+		case EActive:
+			if ( aAudioStateLastCommited == EPrimed )
+				{
+				reason = EActivate;
+				}
+			else if ( aAudioStateLastCommited == EIdle )
+				{
+				reason = EActivate;
+				}
+			else 
+				{
+				reason = EActivate;
+				}
+		break;
+		
+		case EDead:
+		default:
+			reason = EStop;
+		break;
+		}
+	
+	DP0_RET(reason, "reason=%d");
+	}
+
+//EOF