os/mm/devsoundextensions/effects/SrcOrientation/SourceOrientationMessageHandler/src/SourceOrientationMessageHandler.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/devsoundextensions/effects/SrcOrientation/SourceOrientationMessageHandler/src/SourceOrientationMessageHandler.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,282 @@
1.4 +/*
1.5 +* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description: Implementation of the bassboost effect message handler class.
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +
1.23 +// INCLUDE FILES
1.24 +#include "SourceOrientationMessageHandler.h"
1.25 +#include "SourceOrientationMessageTypes.h"
1.26 +#include <SourceOrientationBase.h>
1.27 +#include "EffectDataQueItem.h"
1.28 +#ifdef _DEBUG
1.29 +#include <e32svr.h>
1.30 +#endif
1.31 +
1.32 +// ================= MEMBER FUNCTIONS =======================
1.33 +
1.34 +// C++ default constructor can NOT contain any code, that
1.35 +// might leave.
1.36 +//
1.37 +CSourceOrientationMessageHandler::CSourceOrientationMessageHandler(
1.38 + CSourceOrientation* aSourceOrientation )
1.39 + : CMMFObject(KUidSourceOrientationEffect),
1.40 + iSourceOrientation(NULL),
1.41 + iMessage(NULL),
1.42 + iRegistered(EFalse),
1.43 + iEffectDataQue(NULL)
1.44 + {
1.45 + iSourceOrientation = aSourceOrientation;
1.46 + }
1.47 +
1.48 +
1.49 +EXPORT_C CSourceOrientationMessageHandler* CSourceOrientationMessageHandler::NewL(
1.50 + TAny* aCustomInterface )
1.51 + {
1.52 + CSourceOrientation* bassboost = (CSourceOrientation*)aCustomInterface;
1.53 + CSourceOrientationMessageHandler* self = new (ELeave) CSourceOrientationMessageHandler(bassboost);
1.54 + self->ConstructL();
1.55 + return self;
1.56 + }
1.57 +
1.58 +
1.59 +// -----------------------------------------------------------------------------
1.60 +// CSourceOrientationMessageHandler::ConstructL
1.61 +// Symbian 2nd phase constructor can leave.
1.62 +// Create and initializes the effect data queue.
1.63 +// -----------------------------------------------------------------------------
1.64 +//
1.65 +void CSourceOrientationMessageHandler::ConstructL()
1.66 + {
1.67 + iEffectDataQue = new(ELeave) TSglQue<CEffectDataQueItem>(_FOFF(CEffectDataQueItem, iLink));
1.68 + }
1.69 +
1.70 +
1.71 +// -----------------------------------------------------------------------------
1.72 +// CSourceOrientationMessageHandler::~CSourceOrientationMessageHandler
1.73 +// Before going away, unregister with the CI SourceOrientation object.
1.74 +// The observation message must be completed if outstanding.
1.75 +// The effect data queue must be emptied and destroyed.
1.76 +// -----------------------------------------------------------------------------
1.77 +//
1.78 +CSourceOrientationMessageHandler::~CSourceOrientationMessageHandler()
1.79 + {
1.80 +
1.81 +#ifdef _DEBUG
1.82 + RDebug::Print(_L("CSourceOrientationMessageHandler::~CSourceOrientationMessageHandler"));
1.83 +#endif
1.84 + if(iSourceOrientation)
1.85 + iSourceOrientation->UnRegisterObserver(*this);
1.86 + iRegistered = EFalse;
1.87 +
1.88 + if(iMessage)
1.89 + {
1.90 + if ( !iMessage->IsCompleted() )
1.91 + {
1.92 + iMessage->Complete(KErrCancel);
1.93 + delete iMessage;
1.94 + }
1.95 + }
1.96 +
1.97 + if ( iEffectDataQue )
1.98 + {
1.99 + CEffectDataQueItem* queItem;
1.100 + while ( !iEffectDataQue->IsEmpty() )
1.101 + {
1.102 + queItem = iEffectDataQue->First();
1.103 + iEffectDataQue->Remove(*queItem);
1.104 + delete queItem;
1.105 + }
1.106 +
1.107 + delete iEffectDataQue;
1.108 + }
1.109 +
1.110 + delete iSourceOrientation;
1.111 +
1.112 + }
1.113 +
1.114 +
1.115 +// ---------------------------------------------------------
1.116 +// CSourceOrientationMessageHandler::HandleRequest
1.117 +// (other items were commented in a header).
1.118 +// ---------------------------------------------------------
1.119 +//
1.120 +void CSourceOrientationMessageHandler::HandleRequest(
1.121 + TMMFMessage& aMessage )
1.122 + {
1.123 + ASSERT(aMessage.Destination().InterfaceId() == KUidSourceOrientationEffect);
1.124 + TRAPD(error,DoHandleRequestL(aMessage));
1.125 + if ( error )
1.126 + {
1.127 + aMessage.Complete(error);
1.128 + }
1.129 + }
1.130 +
1.131 +// ---------------------------------------------------------
1.132 +// CSourceOrientationMessageHandler::DoHandleRequestL
1.133 +// Dispatches the message to the appropriate handler.
1.134 +// ---------------------------------------------------------
1.135 +//
1.136 +void CSourceOrientationMessageHandler::DoHandleRequestL(
1.137 + TMMFMessage& aMessage )
1.138 + {
1.139 + switch( aMessage.Function() )
1.140 + {
1.141 + case ESofInitialize: // Request to initialize the bassboost
1.142 + {
1.143 + DoInitializeL(aMessage);
1.144 + break;
1.145 + }
1.146 + case ESofApply: // Request to apply the bassboost settings
1.147 + {
1.148 + DoApplyL(aMessage);
1.149 + break;
1.150 + }
1.151 + case ESofObserve: // Observation request
1.152 + {
1.153 + DoObserveL(aMessage);
1.154 + break;
1.155 + }
1.156 + default:
1.157 + {
1.158 + aMessage.Complete(KErrNotSupported);
1.159 + }
1.160 + }
1.161 + }
1.162 +
1.163 +// ---------------------------------------------------------
1.164 +// CSourceOrientationMessageHandler::DoInitializeL
1.165 +// ---------------------------------------------------------
1.166 +//
1.167 +void CSourceOrientationMessageHandler::DoInitializeL(TMMFMessage& aMessage)
1.168 + {
1.169 + aMessage.WriteDataToClient(iSourceOrientation->DoEffectData());
1.170 + aMessage.Complete(KErrNone);
1.171 + }
1.172 +
1.173 +// ---------------------------------------------------------
1.174 +// CSourceOrientationMessageHandler::DoApplyL
1.175 +// Extracts the data from the message. The client bassboost data
1.176 +// is applied to the CI bassboost object.
1.177 +// ---------------------------------------------------------
1.178 +//
1.179 +void CSourceOrientationMessageHandler::DoApplyL(
1.180 + TMMFMessage& aMessage )
1.181 + {
1.182 + TEfOrientationDataPckg orientationPckgFromClient;
1.183 + aMessage.ReadData1FromClient(orientationPckgFromClient);
1.184 +
1.185 + iSourceOrientation->SetEffectData(orientationPckgFromClient);
1.186 + iSourceOrientation->ApplyL();
1.187 + aMessage.Complete(KErrNone);
1.188 + }
1.189 +
1.190 +// ---------------------------------------------------------
1.191 +// CSourceOrientationMessageHandler::DoObserveL
1.192 +// Receives the observation request message and depending
1.193 +// on the status of the effect data queue, the message is
1.194 +// completed immediately or saved for later completion.
1.195 +// ---------------------------------------------------------
1.196 +//
1.197 +void CSourceOrientationMessageHandler::DoObserveL(
1.198 + TMMFMessage& aMessage )
1.199 + {
1.200 +
1.201 +#ifdef _DEBUG
1.202 + RDebug::Print(_L("CSourceOrientationMessageHandler::DoObserveL"));
1.203 +#endif
1.204 +
1.205 + if ( !iRegistered ) // Don't register again if we're registered.
1.206 + {
1.207 + iSourceOrientation->RegisterObserverL(*this);
1.208 + iRegistered = ETrue;
1.209 + }
1.210 +
1.211 + if ( iEffectDataQue->IsEmpty() )
1.212 + {
1.213 + // Message is saved and completed when an event occurs
1.214 + iMessage = new(ELeave) TMMFMessage(aMessage);
1.215 + }
1.216 + else
1.217 + {
1.218 + TEfOrientationDataPckg dataPckg;
1.219 + CEffectDataQueItem* item = iEffectDataQue->First();
1.220 + dataPckg.Copy(item->EffectData());
1.221 + aMessage.WriteDataToClient(dataPckg);
1.222 + aMessage.Complete(KErrNone);
1.223 + iEffectDataQue->Remove(*item);
1.224 + delete item;
1.225 + }
1.226 + }
1.227 +
1.228 +// ---------------------------------------------------------
1.229 +// CSourceOrientationMessageHandler::EffectChanged
1.230 +// The CI bassboost object has changed state.
1.231 +// The observation message is completed if no data has been
1.232 +// queued up. Otherwise, the CI bassboost object's data is
1.233 +// packaged and queued.
1.234 +// ---------------------------------------------------------
1.235 +//
1.236 +void CSourceOrientationMessageHandler::EffectChanged(
1.237 + const CAudioEffect* aAudioEffect,
1.238 + TUint8 /*aEvent*/ )
1.239 + {
1.240 +#ifdef _DEBUG
1.241 + RDebug::Print(_L("CSourceOrientationMessageHandler::EffectChanged"));
1.242 +#endif
1.243 +
1.244 + if ( iMessage && !iMessage->IsCompleted() && iEffectDataQue->IsEmpty() )
1.245 + {
1.246 + iMessage->WriteDataToClient(((CSourceOrientation*)aAudioEffect)->DoEffectData());
1.247 + iMessage->Complete(KErrNone);
1.248 + delete iMessage;
1.249 + iMessage = NULL;
1.250 + }
1.251 + else // no message pending and there is no event queued up
1.252 + {
1.253 + // Saves the data and complete an observation message next time when
1.254 + // there is a pending message.
1.255 + HBufC8* data = NULL;
1.256 + TRAPD(err1,data = ((CSourceOrientation*)aAudioEffect)->DoEffectData().AllocL());
1.257 + if(!err1)
1.258 + {
1.259 + //CleanupStack::PushL(data);
1.260 + CEffectDataQueItem* item = NULL;
1.261 + TRAPD(err2,item = CEffectDataQueItem::NewL(data));
1.262 + if(!err2)
1.263 + {
1.264 + iEffectDataQue->AddLast(*item);
1.265 + }
1.266 + else
1.267 + {
1.268 + delete data;
1.269 + }
1.270 + }
1.271 + else
1.272 + {
1.273 +#ifdef _DEBUG
1.274 + RDebug::Print(_L("CSourceOrientationMessageHandler::EffectChanged Error Allocating Memory %d"),err1);
1.275 +#endif
1.276 + }
1.277 + }
1.278 + }
1.279 +
1.280 +
1.281 +// ========================== OTHER EXPORTED FUNCTIONS =========================
1.282 +
1.283 +
1.284 +
1.285 +// End of File