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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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// mmrcserverphysicaladaptation.cpp
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//
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//
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#include "mmrcadaptationproxy.h"
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#include "mmrcservercontroller.h"
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#include "mmrcserversession.h"
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#include "mlogicalchain.h"
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#include "audiostreamadaptation.h"
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#include <a3f/maudiocontext.h>
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//------------------------------------------------------------------------------------
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//
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//------------------------------------------------------------------------------------
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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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CMMRCClientSideServerRequestToAdaptationAO::CMMRCClientSideServerRequestToAdaptationAO()
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: CActive(EPriorityHigh)
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{
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TRACE_CREATE();
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::CMMRCClientSideServerRequestToAdaptationAO *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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CMMRCClientSideServerRequestToAdaptationAO::~CMMRCClientSideServerRequestToAdaptationAO()
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::~CMMRCClientSideServerRequestToAdaptationAO *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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Cancel();
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TidyUp();
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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 CMMRCClientSideServerRequestToAdaptationAO 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 CMMRCClientSideServerRequestToAdaptationAO* A pointer to newly created utlitly object.
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*/
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EXPORT_C CMMRCClientSideServerRequestToAdaptationAO* CMMRCClientSideServerRequestToAdaptationAO::NewL()
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{
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DP_STATIC_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::NewL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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CMMRCClientSideServerRequestToAdaptationAO* self = new(ELeave) CMMRCClientSideServerRequestToAdaptationAO();
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CleanupStack::PushL(self);
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self->ConstructL();
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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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void CMMRCClientSideServerRequestToAdaptationAO::Initialize(CMMRCServerSession* aServerSession, CMMRCServerSideAdaptationResponseAO* aCallback,
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RThread* aClientThread, const CFourCCConvertor& aFourCCConvertor)
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::SetCallback *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iMMRCServerSideAdaptationResponseAO = aCallback;
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iServerSession = aServerSession;
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iClientThread = aClientThread;
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iStreamAdaptation->SetFourCC(aFourCCConvertor);
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DP_OUT();
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}
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/**
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CMMRCClientSideServerRequestToAdaptationAO::ConstructL
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Symbian 2nd phase constructor can leave.
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::ConstructL()
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::ConstructL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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CActiveScheduler::Add(this);
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iStreamAdaptation = CAudioStreamAdaptation::NewL(TUid::Uid(0x10283461)) ;
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iStreamAdaptation->RegisterAudioStreamObserver(*this);
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iStatus = KRequestPending;
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SetActive();
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DP_OUT();
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}
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/**
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* Send a request to the resource manager
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* @param MLogicalChain* aOldChain the last committed chain
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* @param MLogicalChain* aNewChain the current committed chain
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* @param TRequestStatus& aStatus
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* @return KErrNone in case of success of the send
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::Service(TUint aRequestType)
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::Service *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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iRequestType = aRequestType;
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iAudioContext = const_cast<MAudioContext*>(iServerSession->AudioContext());
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iLogicalChainLastCommited = iServerSession->LogicalChainLastCommited();
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iLogicalChainRequested = iServerSession->LogicalChainRequested();
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// Simulate an asyncronous response
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/*
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unsafe as checking a client-thread object from server thread.
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if (IsActive())
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Rely on serversession making this call safe.
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*/
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{
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TRequestStatus* status = &iStatus;
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DP1(2,"clientsideAO event",status);
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iClientThread->RequestComplete(status, KErrNone);
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}
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/* else
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{
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DP0(2,"shouldneverhappen!!");
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ASSERT(0);
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}
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*/
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DP_OUT();
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}
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/**
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* Callback in case of timeout
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::ResourceRequestAcknowledgmentTimeout( )
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::ResourceRequestAcknowledgmentTimeout *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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DP_OUT();
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}
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void CMMRCClientSideServerRequestToAdaptationAO::TidyUp()
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{
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/*
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This is a place to put synchronous tidyup code.
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See below first attempt.
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*/
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/* if(iStreamAdaptation)
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{
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iStreamAdaptation->UnregisterAllAudioStreamObserver();
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if (iLogicalChainLastCommited)
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{
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// never got past uninitialised. delete.
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CLogicalAudioStream* audiostream = static_cast<CLogicalAudioStream*>(iLogicalChainLastCommited);
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TAudioState state = audiostream->StreamState();
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if (state != EUninitialized) && (iLogicalChainLastCommited))
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{
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CLogicalAudioStream* audiostream = static_cast<CLogicalAudioStream*>(iLogicalChainRequested);
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TAudioState state = audiostream->StreamState();
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audiostream->ResetMessage();
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audiostream->SetMessageType(EComponentDestruction);
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switch(state)
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{
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case EActive:
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case EPrimed:
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{
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audiostream->Stop();
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} // deliberate fallthru'.
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case EIdle:
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{
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audiostream->Unload();
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} // deliberate fallthru'.
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case EInitialized:
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{
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audiostream->Uninitialize();
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iStreamAdaptation->Message(*iLogicalChainLastCommited, *iLogicalChainRequested, *iAudioContext, ETrue);
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waitForAdaptationResponse=EFalse;
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}
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break;
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default:
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{
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// No need to wait until adaptation responds... just kill.
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waitForAdaptationResponse=EFalse;
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}
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break;
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}
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}
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}
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*/ delete iStreamAdaptation;
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};
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/**
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* CMMRCClientSideServerRequestToAdaptationAO::RunL
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::RunL()
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{
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DP_CONTEXT(--------> CMMRCClientSideServerRequestToAdaptationAO::RunL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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/*
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flag is safe to read in A.O as it is set synchronously by an A.O running
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in the same Active scheduler.
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*/
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// no shut down... regular call.
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iStatus = KRequestPending;
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SetActive();
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iRequestsProcessed++;
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TUint flags = 0;
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if(iRequestType == EPreemptionRequest)
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{
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flags |= KPreemptionRequest;
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}
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iStreamAdaptation->Message(*iLogicalChainLastCommited, *iLogicalChainRequested, *iAudioContext, flags);
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DP_OUT();
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}
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/**
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CMMFDevSoundServer::CDelayDevSoundShutDown::DoCancel
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Called by Active object framework when user cancels active object.
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(other items were commented in a header).
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::DoCancel()
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::DoCancel *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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/* This is "rather complicated" :-)
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This AO always sets itself active, and hence this method will be called
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under all deletion conditions.
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As AO and signaller are in different threads, and in Symbian there is
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no official manner by which to ascertain if you have been signalled,
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we have a synchronous call (across client and server threads) which
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simply sets a flag and completes. The flag prevents any further
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requests being sent to the adaptation.
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By this mechanism, it is possible to read the number of requests
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sent in the server thread as the number does not change after the
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sync call. This is necessary as if there was no outstanding request
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this A.O needs to self-signal.
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*/
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/*
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This assert ensures that the synchronous client->server call occurred
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and therefore it is safe to do the next comparison. Necessary in
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case someone re-orders the MMRC client deletion later.
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*/
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ASSERT(iServerSession->IsServerShuttingDown());
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/* check to see if we have processed all of the requests that
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have been sent by the server - i.e. are there any pending requests
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if (no outstanding requests)
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we need to self-signal or this would hang.
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otherwise
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we need to signal the server-side A.O to terminate that.
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*/
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if (iServerSession->RequestsSent() != iRequestsProcessed)
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{
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// should throw an error, rather than KErrNone
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// iMMRCServerSideAdaptationResponseAO->ServiceL( EMMRCAdaptationToServerShutdown, KErrServerTerminated);
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iMMRCServerSideAdaptationResponseAO->Service( EMMRCAdaptationToServerShutdown, KErrNone);
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}
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else
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{
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/* no more requests will ever come... self signal.
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Don't notify MMRC server A.O. - it won't be expecting one
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*/
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TRequestStatus* status(&iStatus);
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User::RequestComplete(status, KErrNone);
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}
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DP_OUT();
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}
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/**
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*
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::PhysicalAdaptationEvent(TPhysicalEvent aEvent, TInt aError)
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::PhysicalAdaptationEvent *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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switch (aEvent)
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{
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case EOperationComplete:
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if(iMMRCServerSideAdaptationResponseAO)
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{
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iMMRCServerSideAdaptationResponseAO->Service( EMMRCAdaptationToServerResourceComplete, aError);
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}
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break;
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case EOperationIncomplete:
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if(iMMRCServerSideAdaptationResponseAO)
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{
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iMMRCServerSideAdaptationResponseAO->Service( EMMRCAdaptationToServerResourceIncomplete, aError);
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}
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break;
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default:
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break;
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}
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DP_OUT();
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}
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/**
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*
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::StateEvent(TInt /*aReason*/, TAudioState /*aNewState*/)
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::StateEvent *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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*
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::AddProcessingUnitComplete(TUid /*aType*/, TInt /*aError*/)
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::AddProcessingUnitComplete *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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*
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::RemoveProcessingUnitComplete(TUid /*aType*/, TInt /*aError*/)
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::RemoveProcessingUnitComplete *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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*
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::ProcessingFinished()
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::ProcessingFinished *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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*
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*/
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void CMMRCClientSideServerRequestToAdaptationAO::FlushComplete(TInt /*aError*/)
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{
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DP_CONTEXT(----> CMMRCClientSideServerRequestToAdaptationAO::FlushComplete *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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//
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//------------------------------------------------------------------------------------
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/**
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*/
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CMMRCServerSideAdaptationResponseAO::CMMRCServerSideAdaptationResponseAO()
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: CActive(EPriorityHigh)
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{
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TRACE_CREATE();
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DP_CONTEXT(----> CMMRCServerSideAdaptationResponseAO::CMMRCServerSideAdaptationResponseAO *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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*/
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CMMRCServerSideAdaptationResponseAO::~CMMRCServerSideAdaptationResponseAO()
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{
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DP_CONTEXT(----> CMMRCServerSideAdaptationResponseAO::~CMMRCServerSideAdaptationResponseAO *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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Cancel();
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DP_OUT();
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}
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/**
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*/
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CMMRCServerSideAdaptationResponseAO* CMMRCServerSideAdaptationResponseAO::NewL()
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{
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DP_STATIC_CONTEXT(----> CMMRCServerSideAdaptationResponseAO::NewL *CD1*, CtxDevSound, DPLOCAL);
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DP_IN();
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CMMRCServerSideAdaptationResponseAO* self = new(ELeave) CMMRCServerSideAdaptationResponseAO();
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop(self);
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424 |
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|
425 |
DP0_RET(self, "self = 0x%x");
|
|
426 |
}
|
|
427 |
|
|
428 |
/**
|
|
429 |
*/
|
|
430 |
void CMMRCServerSideAdaptationResponseAO::ConstructL()
|
|
431 |
{
|
|
432 |
DP_CONTEXT(----> CMMRCServerSideAdaptationResponseAO::ConstructL *CD1*, CtxDevSound, DPLOCAL);
|
|
433 |
DP_IN();
|
|
434 |
|
|
435 |
CActiveScheduler::Add (this );
|
|
436 |
|
|
437 |
DP_OUT();
|
|
438 |
}
|
|
439 |
|
|
440 |
/**
|
|
441 |
*/
|
|
442 |
void CMMRCServerSideAdaptationResponseAO::Initialize(CMMRCServerSession* aServerSession, RThread* aServerThread )
|
|
443 |
{
|
|
444 |
DP_CONTEXT(----> CMMRCServerSideAdaptationResponseAO::SetServerSession *CD1*, CtxDevSound, DPLOCAL);
|
|
445 |
DP_IN();
|
|
446 |
|
|
447 |
iMMRCServerSession = aServerSession;
|
|
448 |
ASSERT(iMMRCServerSession!=0);
|
|
449 |
iServerThread = aServerThread;
|
|
450 |
ASSERT(iServerThread!=0);
|
|
451 |
DP_OUT();
|
|
452 |
}
|
|
453 |
|
|
454 |
/**
|
|
455 |
These are rather misleading convenience functions which are called
|
|
456 |
from the context of the caller (i.e. a different thread context)
|
|
457 |
|
|
458 |
Be very cautious with what you rely on.
|
|
459 |
*/
|
|
460 |
void CMMRCServerSideAdaptationResponseAO::Service(TMMRCAdaptationToServerRequestResults aEvent, TInt aError)
|
|
461 |
{
|
|
462 |
DP_CONTEXT(----> CMMRCServerSideAdaptationResponseAO::Service *CD1*, CtxDevSound, DPLOCAL);
|
|
463 |
DP_IN();
|
|
464 |
|
|
465 |
iEvent = aEvent;
|
|
466 |
iError = aError;
|
|
467 |
|
|
468 |
// Simulate an asynchronous response on correct thread.
|
|
469 |
TRequestStatus* status = &iStatus;
|
|
470 |
iServerThread->RequestComplete(status, KErrNone);
|
|
471 |
DP_OUT();
|
|
472 |
}
|
|
473 |
/**
|
|
474 |
*/
|
|
475 |
void CMMRCServerSideAdaptationResponseAO::DoCancel( )
|
|
476 |
{
|
|
477 |
DP_CONTEXT(----> CMMRCServerSideAdaptationResponseAO::DoCancel *CD1*, CtxDevSound, DPLOCAL);
|
|
478 |
DP_IN();
|
|
479 |
/* this should only happen if there is a pending request.
|
|
480 |
client-side will send a response before closing.
|
|
481 |
|
|
482 |
See DoCancel in CMMRCClientSideServerRequestToAdaptationAO for details.
|
|
483 |
*/
|
|
484 |
DP_OUT();
|
|
485 |
}
|
|
486 |
|
|
487 |
/**
|
|
488 |
server-side A.O. used to observe the outcome.
|
|
489 |
|
|
490 |
Calls back AdaptationRequestAcknowledgment on MMRC server session
|
|
491 |
from server thread context.
|
|
492 |
*/
|
|
493 |
void CMMRCServerSideAdaptationResponseAO::RunL()
|
|
494 |
{
|
|
495 |
DP_CONTEXT(--------> CMMRCServerSideAdaptationResponseAO::RunL *CD1*, CtxDevSound, DPLOCAL);
|
|
496 |
DP_IN();
|
|
497 |
iMMRCServerSession->AdaptationRequestAcknowledgment( iEvent, iError );
|
|
498 |
DP_OUT();
|
|
499 |
}
|
|
500 |
|
|
501 |
void CMMRCServerSideAdaptationResponseAO::StartAdaptationListening()
|
|
502 |
{
|
|
503 |
/* wrapper functio to set up the A.O */
|
|
504 |
iStatus = KRequestPending;
|
|
505 |
SetActive();
|
|
506 |
}
|
|
507 |
//EOF
|