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// Copyright (c) 2007-2009 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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// mmrcserverpolicymanager.cpp
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//
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//
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#include "mmrcserverrulemanager.h"
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#include "mmrcserversession.h"
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#include "mmrcservercontroller.h"
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#include "mmrcerrorcodes.h"
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#include "mlogicalchain.h"
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#include <a3f/a3f_trace_utils.h>
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/**
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* By default Symbian 2nd phase constructor is private.
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* @param CMMRCServerController& A reference on the MMRC Server controller
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*/
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CMMRCServerRuleManager::CMMRCServerRuleManager(CMMRCServerController& aServerController)
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:iMMRCServerController(aServerController)
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{
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TRACE_CREATE();
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DP_CONTEXT(----> CMMRCServerRuleManager::CMMRCServerRuleManager *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP_OUT();
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}
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/**
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* Destructor
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*/
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CMMRCServerRuleManager::~CMMRCServerRuleManager( )
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{
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DP_CONTEXT(----> CMMRCServerRuleManager::~CMMRCServerRuleManager *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP_OUT();
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}
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/**
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* Constructs, and returns a pointer to, a new CMMRCServerRuleManager object.
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* Leaves on failure.
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* @param CMMRCServerController& A reference on the MMRC Server controller
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* @return CMMRCServerRuleManager* A pointer to newly created utlitly object.
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*/
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CMMRCServerRuleManager* CMMRCServerRuleManager::NewL(CMMRCServerController& aServerController)
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{
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DP_STATIC_CONTEXT(----> CMMRCServerRuleManager::NewL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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CMMRCServerRuleManager* self = NewLC(aServerController);
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CleanupStack::Pop ( self );
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DP0_RET(self, "self=0x%x");
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}
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/**
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* Constructs, leaves object on the cleanup stack, and returns a pointer
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* to, a new CMMRCServerRuleManager object.
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* Leaves on failure.
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* @param CMMRCServerController& A reference on the MMRC Server controller
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* @return CMMRCServerRuleManager* A pointer to newly created utlitly object.
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*/
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CMMRCServerRuleManager* CMMRCServerRuleManager::NewLC(CMMRCServerController& aServerController)
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{
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DP_STATIC_CONTEXT(----> CMMRCServerRuleManager::NewLC *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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CMMRCServerRuleManager* self = new(ELeave) CMMRCServerRuleManager(aServerController);
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CleanupStack::PushL (self );
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self->ConstructL ( );
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DP0_RET(self, "self=0x%x");
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}
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/**
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CMMRCServerRuleManager::ConstructL
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Symbian 2nd phase constructor can leave.
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*/
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void CMMRCServerRuleManager::ConstructL()
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{
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DP_CONTEXT(----> CMMRCServerRuleManager::ConstructL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP_OUT();
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}
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/**
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* Deduce the rule on the message according to the previous and current state
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* Return EProcessOnIdle if no rule has been found.
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* Leaves on failure.
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* @param TAudioState aAudioStateAllocatedResource
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* @param TAudioState aAudioStateRequiringProcess
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* @return TMMRCRule rule
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*/
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TMMRCRule CMMRCServerRuleManager::DecisionRule(TAudioState aAudioStateAllocatedResource, TAudioState aAudioStateRequiringProcess )
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{
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DP_CONTEXT(RMMRCClient::Open *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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TMMRCRule rule = EProcessOnIdle;
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switch ( aAudioStateAllocatedResource )
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{
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//
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case EUninitialized:
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case EInitialized:
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case EDead:
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rule = EAlwaysProcess;
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break;
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//
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case EIdle:
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case EPrimed:
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case EActive:
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{
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if ( aAudioStateRequiringProcess == EUninitialized || aAudioStateRequiringProcess == EInitialized)
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{
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rule = EAlwaysProcess;
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}
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}
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break;
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default:
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__ASSERT_DEBUG(EFalse, User::Panic(KMMRCErrorNameUnkwnonAudioState, EMMRCErrorUnkwnonAudioState));
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break;
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}
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DP0_RET(rule, "rule=%d");
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}
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/**
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* Deduce the rule on the message according to the previous and current state
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* Return EStop if no rule has been found.
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* @param TAudioState aAudioStateAllocatedResource
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* @param TAudioState aAudioStateRequiringProcess
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* @return TMMRCRule rule
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*/
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TReason CMMRCServerRuleManager::ActionReason(TAudioState aAudioStateLastCommited, TAudioState aAudioStateRequested )
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{
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DP_CONTEXT(----> CMMRCServerRuleManager::ActionReason *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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TReason reason;
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switch (aAudioStateRequested )
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{
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case EUninitialized:
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if ( aAudioStateLastCommited == EInitialized )
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{
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reason = EUninitialize;
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}
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else
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{
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reason = EUninitialize ;
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}
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break;
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case EInitialized:
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if ( aAudioStateLastCommited == EUninitialized )
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{
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reason = EInitialize;
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}
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else if ( aAudioStateLastCommited == EIdle )
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{
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reason = EUnload;
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}
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else if ( aAudioStateLastCommited == EPrimed )
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{
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reason = EPrimeReason;
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}
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else if ( aAudioStateLastCommited == EActive )
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{
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reason = EStop;
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}
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else
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{
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reason = EInitialize ;
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}
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break;
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case EIdle:
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if ( aAudioStateLastCommited == EUninitialized )
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{
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reason = ELoad;
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}
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else if ( aAudioStateLastCommited == EInitialized )
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{
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reason = ELoad;
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}
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else if ( aAudioStateLastCommited == EPrimed )
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{
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reason = EStop;
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}
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else if ( aAudioStateLastCommited == EActive )
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{
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reason = EStop;
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}
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else
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{
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reason = ELoad;
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}
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break;
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case EPrimed:
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if ( aAudioStateLastCommited == EIdle )
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{
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reason = EPrimeReason;
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}
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else if ( aAudioStateLastCommited == EActive )
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{
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reason = EPrimeReason;
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}
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else
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{
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reason = EPrimeReason;
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}
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break;
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case EActive:
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if ( aAudioStateLastCommited == EPrimed )
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{
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reason = EActivate;
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}
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else if ( aAudioStateLastCommited == EIdle )
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{
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reason = EActivate;
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}
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else
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{
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reason = EActivate;
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}
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break;
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case EDead:
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default:
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reason = EStop;
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break;
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}
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DP0_RET(reason, "reason=%d");
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}
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//EOF
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