diff -r 000000000000 -r 40261b775718 devsoundextensions/effects/BassBoost/BassBoostProxy/Src/BassBoostProxy.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devsoundextensions/effects/BassBoost/BassBoostProxy/Src/BassBoostProxy.cpp Tue Feb 02 01:56:55 2010 +0200 @@ -0,0 +1,204 @@ +/* +* Copyright (c) 2004 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: Implementation of the bassboost proxy class +* +*/ + + + + +// INCLUDE FILES + +#ifdef _DEBUG +#include +#endif + +#include "BassBoostProxy.h" +#include "BassBoostEventObserver.h" +#include + + +// ============================ MEMBER FUNCTIONS =============================== + +// ----------------------------------------------------------------------------- +// CBassBoostProxy::CBassBoostProxy +// C++ default constructor can NOT contain any code, that +// might leave. +// ----------------------------------------------------------------------------- +// +CBassBoostProxy::CBassBoostProxy( + TMMFMessageDestinationPckg aMessageHandler, + MCustomCommand& aCustomCommand, + CCustomInterfaceUtility* aCustomInterfaceUtility ) + : iCustomCommand(&aCustomCommand), + iMessageHandler(aMessageHandler), + iCustomInterfaceUtility(aCustomInterfaceUtility) + + { + } + +// Destructor +CBassBoostProxy::~CBassBoostProxy() + { + // Remove the custom interface message handler before we destroy the proxy. + if(iCustomInterfaceUtility) + iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler); + delete iBassBoostEventObserver; + delete iCustomInterfaceUtility; + } + +// ----------------------------------------------------------------------------- +// CBassBoostProxy::NewL +// Static function for creating an instance of the BassBoost object. +// ----------------------------------------------------------------------------- +// +EXPORT_C CBassBoostProxy* CBassBoostProxy::NewL( + TMMFMessageDestinationPckg aMessageHandler, + MCustomCommand& aCustomCommand, + CCustomInterfaceUtility* aCustomInterfaceUtility ) + { + CBassBoostProxy* self = new (ELeave) CBassBoostProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + +// ----------------------------------------------------------------------------- +// CBassBoostProxy::ConstructL +// ----------------------------------------------------------------------------- +// +void CBassBoostProxy::ConstructL() + { + iBassBoostEventObserver = CBassBoostEventObserver::NewL(iMessageHandler, *iCustomCommand, *this); + StartObserver(); + + TEfBassBoostDataPckg dataPckgFrom; + // sends a message to fetch initial data. + iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EBfInitialize, KNullDesC8, KNullDesC8, dataPckgFrom); + SetEffectData(dataPckgFrom); + } + + +// ----------------------------------------------------------------------------- +// CBassBoostProxy::ApplyL +// Apply the bassboost settings. +// ----------------------------------------------------------------------------- +// +EXPORT_C void CBassBoostProxy::ApplyL() + { +#ifdef _DEBUG + RDebug::Print(_L("CBassBoostProxy::Apply")); +#endif + + if (iHaveUpdateRights ) + { + iBassBoostData.iEnabled = iEnabled; + iBassBoostData.iEnforced = iEnforced; + iBassBoostData.iHaveUpdateRights = iHaveUpdateRights; + + iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EBfApply, DoEffectData(), KNullDesC8); + } + else + { + User::Leave(KErrAccessDenied); + } + } + +// ----------------------------------------------------------------------------- +// CBassBoostProxy::StartObserver +// Starts the event observer. The event observer monitors asynchronous events +// from the message handler. +// ----------------------------------------------------------------------------- +// +void CBassBoostProxy::StartObserver() + { +#ifdef _DEBUG + RDebug::Print(_L("CBassBoostProxy::StartObserver")); +#endif + + iBassBoostEventObserver->Start(); + } + +// ----------------------------------------------------------------------------- +// CBassBoostProxy::BassBoostEvent +// Checks which data member has changed and notify the observers. +// ----------------------------------------------------------------------------- +// +void CBassBoostProxy::BassBoostEvent( + const TDesC8& aBuffer ) + { +#ifdef _DEBUG + RDebug::Print(_L("CBassBoostProxy::BassBoostEvent")); +#endif + + TEfBassBoostDataPckg dataPckgFrom; + dataPckgFrom.Copy(aBuffer); + TEfBassBoostData newBassBoostData = dataPckgFrom(); + + TUint8 event = 0; + + if ( newBassBoostData.iEnabled != iBassBoostData.iEnabled ) + { + iBassBoostData.iEnabled = newBassBoostData.iEnabled; + iEnabled = newBassBoostData.iEnabled; + if ( iBassBoostData.iEnabled ) + { + event = MAudioEffectObserver::KEnabled; + } + else + { + event = MAudioEffectObserver::KDisabled; + } + } + else if ( newBassBoostData.iEnforced != iBassBoostData.iEnforced ) + { + iBassBoostData.iEnforced = newBassBoostData.iEnforced; + iEnforced = newBassBoostData.iEnforced; + if ( iBassBoostData.iEnforced ) + { + event = MAudioEffectObserver::KEnforced; + } + else + { + event = MAudioEffectObserver::KNotEnforced; + } + } + else if ( newBassBoostData.iHaveUpdateRights != iBassBoostData.iHaveUpdateRights ) + { + iBassBoostData.iHaveUpdateRights = newBassBoostData.iHaveUpdateRights; + iHaveUpdateRights = newBassBoostData.iHaveUpdateRights; + if ( iBassBoostData.iHaveUpdateRights ) + { + event = MAudioEffectObserver::KGainedUpdateRights; + } + else + { + event = MAudioEffectObserver::KLostUpdateRights; + } + } + + if (!event) + return; + + for ( TInt i = 0; i < iObservers.Count(); i++ ) + { + iObservers[i]->EffectChanged(this, event); + } + } + + +// ========================== OTHER EXPORTED FUNCTIONS ========================= + +