os/mm/devsoundextensions/effects/DistAtten/DistanceAttenuationProxy/Src/DistanceAttenuationProxy.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/devsoundextensions/effects/DistAtten/DistanceAttenuationProxy/Src/DistanceAttenuationProxy.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,241 @@
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 Distance Attenuation proxy class
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +
1.23 +
1.24 +// INCLUDE FILES
1.25 +
1.26 +#ifdef _DEBUG
1.27 +#include <e32svr.h>
1.28 +#endif
1.29 +
1.30 +#include "DistanceAttenuationProxy.h"
1.31 +#include "DistanceAttenuationEventObserver.h"
1.32 +#include <CustomInterfaceUtility.h>
1.33 +
1.34 +
1.35 +// ============================ MEMBER FUNCTIONS ===============================
1.36 +
1.37 +// -----------------------------------------------------------------------------
1.38 +// CDistanceAttenuationProxy::CDistanceAttenuationProxy
1.39 +// C++ default constructor can NOT contain any code, that
1.40 +// might leave.
1.41 +// -----------------------------------------------------------------------------
1.42 +//
1.43 +CDistanceAttenuationProxy::CDistanceAttenuationProxy(
1.44 + TMMFMessageDestinationPckg aMessageHandler,
1.45 + MCustomCommand& aCustomCommand,
1.46 + CCustomInterfaceUtility* aCustomInterfaceUtility )
1.47 + : iCustomCommand(&aCustomCommand),
1.48 + iMessageHandler(aMessageHandler),
1.49 + iCustomInterfaceUtility(aCustomInterfaceUtility)
1.50 +
1.51 + {
1.52 + }
1.53 +
1.54 +// Destructor
1.55 +CDistanceAttenuationProxy::~CDistanceAttenuationProxy()
1.56 + {
1.57 + // Remove the custom interface message handler before we destroy the proxy.
1.58 + if(iCustomInterfaceUtility)
1.59 + iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
1.60 + delete iDistanceAttenuationEventObserver;
1.61 + delete iCustomInterfaceUtility;
1.62 + }
1.63 +
1.64 +// -----------------------------------------------------------------------------
1.65 +// CDistanceAttenuationProxy::NewL
1.66 +// Static function for creating an instance of the Distance Attenuation object.
1.67 +// -----------------------------------------------------------------------------
1.68 +//
1.69 +EXPORT_C CDistanceAttenuationProxy* CDistanceAttenuationProxy::NewL(
1.70 + TMMFMessageDestinationPckg aMessageHandler,
1.71 + MCustomCommand& aCustomCommand,
1.72 + CCustomInterfaceUtility* aCustomInterfaceUtility )
1.73 + {
1.74 + CDistanceAttenuationProxy* self = new (ELeave) CDistanceAttenuationProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);
1.75 + CleanupStack::PushL(self);
1.76 + self->ConstructL();
1.77 + CleanupStack::Pop(self);
1.78 + return self;
1.79 + }
1.80 +
1.81 +// -----------------------------------------------------------------------------
1.82 +// CDistanceAttenuationProxy::ConstructL
1.83 +// -----------------------------------------------------------------------------
1.84 +//
1.85 +void CDistanceAttenuationProxy::ConstructL()
1.86 + {
1.87 +#ifdef _DEBUG
1.88 + RDebug::Print(_L("CDistanceAttenuationProxy::ConstructL"));
1.89 +#endif
1.90 + iDistanceAttenuationEventObserver = CDistanceAttenuationEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);
1.91 + StartObserver();
1.92 + // sends a message to fetch initial data.
1.93 + TEfDistanceAttenuationDataPckg dataPckgFrom;
1.94 + iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EDaefInitialize, KNullDesC8, KNullDesC8, dataPckgFrom);
1.95 + SetEffectData(dataPckgFrom);
1.96 + }
1.97 +
1.98 +
1.99 +// -----------------------------------------------------------------------------
1.100 +// CDistanceAttenuationProxy::ApplyL
1.101 +// Apply the Distance Attenuation settings.
1.102 +// -----------------------------------------------------------------------------
1.103 +//
1.104 +EXPORT_C void CDistanceAttenuationProxy::ApplyL()
1.105 + {
1.106 +#ifdef _DEBUG
1.107 + RDebug::Print(_L("CDistanceAttenuationProxy::Apply"));
1.108 +#endif
1.109 +
1.110 + if ( !iHaveUpdateRights )
1.111 + {
1.112 + User::Leave(KErrAccessDenied);
1.113 + }
1.114 +
1.115 + iDistanceAttenuationData.iEnabled = iEnabled;
1.116 + iDistanceAttenuationData.iEnforced = iEnforced;
1.117 + iDistanceAttenuationData.iHaveUpdateRights = iHaveUpdateRights;
1.118 + iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EDaefApply, DoEffectData(), KNullDesC8);
1.119 + }
1.120 +
1.121 +// -----------------------------------------------------------------------------
1.122 +// CDistanceAttenuationProxy::StartObserver
1.123 +// Starts the event observer. The event observer monitors asynchronous events
1.124 +// from the message handler.
1.125 +// -----------------------------------------------------------------------------
1.126 +//
1.127 +void CDistanceAttenuationProxy::StartObserver()
1.128 + {
1.129 +#ifdef _DEBUG
1.130 + RDebug::Print(_L("CDistanceAttenuationProxy::StartObserver"));
1.131 +#endif
1.132 +
1.133 + iDistanceAttenuationEventObserver->Start();
1.134 + }
1.135 +
1.136 +// -----------------------------------------------------------------------------
1.137 +// CDistanceAttenuationProxy::DistanceAttenuationEvent
1.138 +// Checks which data member has changed and notify the observers.
1.139 +// -----------------------------------------------------------------------------
1.140 +//
1.141 +void CDistanceAttenuationProxy::DistanceAttenuationEvent(
1.142 + const TDesC8& aBuffer )
1.143 + {
1.144 +#ifdef _DEBUG
1.145 + RDebug::Print(_L("CDistanceAttenuationProxy::DistanceAttenuationEvent"));
1.146 +#endif
1.147 +
1.148 + TEfDistanceAttenuationDataPckg dataPckgFrom;
1.149 + dataPckgFrom.Copy(aBuffer);
1.150 + TEfDistanceAttenuation newDistanceAttenuationData = dataPckgFrom();
1.151 +
1.152 + TUint8 event = 0;
1.153 +
1.154 + if ( newDistanceAttenuationData.iEnabled != iDistanceAttenuationData.iEnabled )
1.155 + {
1.156 + iDistanceAttenuationData.iEnabled = newDistanceAttenuationData.iEnabled;
1.157 + iEnabled = newDistanceAttenuationData.iEnabled;
1.158 + if ( iDistanceAttenuationData.iEnabled )
1.159 + {
1.160 + event = MAudioEffectObserver::KEnabled;
1.161 + }
1.162 + else
1.163 + {
1.164 + event = MAudioEffectObserver::KDisabled;
1.165 + }
1.166 + }
1.167 + else if ( newDistanceAttenuationData.iEnforced != iDistanceAttenuationData.iEnforced )
1.168 + {
1.169 + iDistanceAttenuationData.iEnforced = newDistanceAttenuationData.iEnforced;
1.170 + iEnforced = newDistanceAttenuationData.iEnforced;
1.171 + if ( iDistanceAttenuationData.iEnforced )
1.172 + {
1.173 + event = MAudioEffectObserver::KEnforced;
1.174 + }
1.175 + else
1.176 + {
1.177 + event = MAudioEffectObserver::KNotEnforced;
1.178 + }
1.179 + }
1.180 + else if ( newDistanceAttenuationData.iHaveUpdateRights != iDistanceAttenuationData.iHaveUpdateRights )
1.181 + {
1.182 + iDistanceAttenuationData.iHaveUpdateRights = newDistanceAttenuationData.iHaveUpdateRights;
1.183 + iHaveUpdateRights = newDistanceAttenuationData.iHaveUpdateRights;
1.184 + if ( iDistanceAttenuationData.iHaveUpdateRights )
1.185 + {
1.186 + event = MAudioEffectObserver::KGainedUpdateRights;
1.187 + }
1.188 + else
1.189 + {
1.190 + event = MAudioEffectObserver::KLostUpdateRights;
1.191 + }
1.192 + }
1.193 +
1.194 + else if ( newDistanceAttenuationData.iRMin != iDistanceAttenuationData.iRMin )
1.195 + {
1.196 + iDistanceAttenuationData.iRMin = newDistanceAttenuationData.iRMin;
1.197 + event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
1.198 + }
1.199 + else if ( newDistanceAttenuationData.iRMax != iDistanceAttenuationData.iRMax )
1.200 + {
1.201 + iDistanceAttenuationData.iRMax = newDistanceAttenuationData.iRMax;
1.202 + event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
1.203 + }
1.204 + else if ( newDistanceAttenuationData.iMuteAfterMax != iDistanceAttenuationData.iMuteAfterMax )
1.205 + {
1.206 + iDistanceAttenuationData.iMuteAfterMax = newDistanceAttenuationData.iMuteAfterMax;
1.207 + event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
1.208 + }
1.209 + else if ( newDistanceAttenuationData.iRollOffFactor != iDistanceAttenuationData.iRollOffFactor )
1.210 + {
1.211 + iDistanceAttenuationData.iRollOffFactor = newDistanceAttenuationData.iRollOffFactor;
1.212 + event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
1.213 + }
1.214 + else if ( newDistanceAttenuationData.iRoomRollOffFactor != iDistanceAttenuationData.iRoomRollOffFactor )
1.215 + {
1.216 + iDistanceAttenuationData.iRoomRollOffFactor = newDistanceAttenuationData.iRoomRollOffFactor;
1.217 + event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
1.218 + }
1.219 + else if ( newDistanceAttenuationData.iRollOffFactorMax != iDistanceAttenuationData.iRollOffFactorMax )
1.220 + {
1.221 + iDistanceAttenuationData.iRollOffFactorMax = newDistanceAttenuationData.iRollOffFactorMax;
1.222 + event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
1.223 + }
1.224 + else if ( newDistanceAttenuationData.iRoomRollOffFactorMax != iDistanceAttenuationData.iRoomRollOffFactorMax )
1.225 + {
1.226 + iDistanceAttenuationData.iRoomRollOffFactorMax = newDistanceAttenuationData.iRoomRollOffFactorMax;
1.227 + event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
1.228 + }
1.229 +
1.230 + if (!event)
1.231 + return;
1.232 +
1.233 + for ( TInt i = 0; i < iObservers.Count(); i++ )
1.234 + {
1.235 + iObservers[i]->EffectChanged(this, event);
1.236 + }
1.237 + }
1.238 +
1.239 +
1.240 +// ========================== OTHER EXPORTED FUNCTIONS =========================
1.241 +
1.242 +
1.243 +// End of File
1.244 +