devsoundextensions/effects/SrcDoppler/SourceDopplerProxy/Src/SourceDopplerProxy.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/devsoundextensions/effects/SrcDoppler/SourceDopplerProxy/Src/SourceDopplerProxy.cpp Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,247 @@
+/*
+* 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 Source Doppler Proxy class
+*
+*/
+
+
+
+
+// INCLUDE FILES
+
+#ifdef _DEBUG
+#include <e32svr.h>
+#endif
+
+#include "SourceDopplerProxy.h"
+#include "SourceDopplerEventObserver.h"
+#include <CustomInterfaceUtility.h>
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CSourceDopplerProxy::CSourceDopplerProxy
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CSourceDopplerProxy::CSourceDopplerProxy(
+ TMMFMessageDestinationPckg aMessageHandler,
+ MCustomCommand& aCustomCommand,
+ CCustomInterfaceUtility* aCustomInterfaceUtility )
+ : iCustomCommand(&aCustomCommand),
+ iMessageHandler(aMessageHandler),
+ iCustomInterfaceUtility(aCustomInterfaceUtility)
+
+ {
+ }
+
+// Destructor
+CSourceDopplerProxy::~CSourceDopplerProxy()
+ {
+ // Remove the custom interface message handler before we destroy the proxy.
+ if(iCustomInterfaceUtility)
+ iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
+ delete iDopplerEventObserver;
+ delete iCustomInterfaceUtility;
+ }
+
+// -----------------------------------------------------------------------------
+// CSourceDopplerProxy::NewL
+// Static function for creating an instance of the SourceDoppler object.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSourceDopplerProxy* CSourceDopplerProxy::NewL(
+ TMMFMessageDestinationPckg aMessageHandler,
+ MCustomCommand& aCustomCommand,
+ CCustomInterfaceUtility* aCustomInterfaceUtility )
+ {
+ CSourceDopplerProxy* self = new (ELeave) CSourceDopplerProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CSourceDopplerProxy::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CSourceDopplerProxy::ConstructL()
+ {
+ iDopplerEventObserver = CSourceDopplerEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);
+ StartObserver();
+
+ TEfDopplerDataPckg dataPckgFrom;
+ // sends a message to fetch initial data.
+ iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ESourceDopplerOfInitialize, KNullDesC8, KNullDesC8, dataPckgFrom);
+ SetEffectData(dataPckgFrom);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CSourceDopplerProxy::ApplyL
+// Apply the SourceDoppler settings.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CSourceDopplerProxy::ApplyL()
+ {
+#ifdef _DEBUG
+ RDebug::Print(_L("CSourceDopplerProxy::Apply"));
+#endif
+
+ if (iHaveUpdateRights )
+ {
+ iDopplerData.iEnabled = iEnabled;
+ iDopplerData.iEnforced = iEnforced;
+ iDopplerData.iHaveUpdateRights = iHaveUpdateRights;
+
+ iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ESourceDopplerOfApply, DoEffectData(), KNullDesC8);
+ }
+ else
+ {
+ User::Leave(KErrAccessDenied);
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CSourceDopplerProxy::StartObserver
+// Starts the event observer. The event observer monitors asynchronous events
+// from the message handler.
+// -----------------------------------------------------------------------------
+//
+void CSourceDopplerProxy::StartObserver()
+ {
+#ifdef _DEBUG
+ RDebug::Print(_L("CSourceDopplerProxy::StartObserver"));
+#endif
+
+ iDopplerEventObserver->Start();
+ }
+
+// -----------------------------------------------------------------------------
+// CSourceDopplerProxy::DopplerEvent
+// Checks which data member has changed and notify the observers.
+// -----------------------------------------------------------------------------
+//
+void CSourceDopplerProxy::SourceDopplerEvent(
+ const TDesC8& aBuffer )
+ {
+#ifdef _DEBUG
+ RDebug::Print(_L("CSourceDopplerProxy::SourceDopplerEvent"));
+#endif
+
+ TEfDopplerDataPckg dataPckgFrom;
+ dataPckgFrom.Copy(aBuffer);
+ TEfDoppler newDopplerData = dataPckgFrom();
+
+ TUint8 event = 0;
+
+ if ( newDopplerData.iEnabled != iDopplerData.iEnabled )
+ {
+ iDopplerData.iEnabled = newDopplerData.iEnabled;
+ iEnabled = newDopplerData.iEnabled;
+ if ( iDopplerData.iEnabled )
+ {
+ event = MAudioEffectObserver::KEnabled;
+ }
+ else
+ {
+ event = MAudioEffectObserver::KDisabled;
+ }
+ }
+ else if ( newDopplerData.iEnforced != iDopplerData.iEnforced )
+ {
+ iDopplerData.iEnforced = newDopplerData.iEnforced;
+ iEnforced = newDopplerData.iEnforced;
+ if ( iDopplerData.iEnforced )
+ {
+ event = MAudioEffectObserver::KEnforced;
+ }
+ else
+ {
+ event = MAudioEffectObserver::KNotEnforced;
+ }
+ }
+ else if ( newDopplerData.iHaveUpdateRights != iDopplerData.iHaveUpdateRights )
+ {
+ iDopplerData.iHaveUpdateRights = newDopplerData.iHaveUpdateRights;
+ iHaveUpdateRights = newDopplerData.iHaveUpdateRights;
+ if ( iDopplerData.iHaveUpdateRights )
+ {
+ event = MAudioEffectObserver::KGainedUpdateRights;
+ }
+ else
+ {
+ event = MAudioEffectObserver::KLostUpdateRights;
+ }
+ }
+
+ else if ( newDopplerData.iVelocityX != iDopplerData.iVelocityX )
+ {
+ iDopplerData.iVelocityX = newDopplerData.iVelocityX;
+ event = MSourceDopplerObserver::KCartesianVelocityChanged;
+ }
+ else if ( newDopplerData.iVelocityY != iDopplerData.iVelocityY )
+ {
+ iDopplerData.iVelocityY = newDopplerData.iVelocityY;
+ event = MSourceDopplerObserver::KCartesianVelocityChanged;
+ }
+ else if ( newDopplerData.iVelocityZ != iDopplerData.iVelocityZ )
+ {
+ iDopplerData.iVelocityZ = newDopplerData.iVelocityZ;
+ event = MSourceDopplerObserver::KCartesianVelocityChanged;
+ }
+ else if ( newDopplerData.iAzimuth != iDopplerData.iAzimuth )
+ {
+ iDopplerData.iAzimuth = newDopplerData.iAzimuth;
+ event = MSourceDopplerObserver::KSphericalVelocityChanged;
+ }
+ else if ( newDopplerData.iElevation != iDopplerData.iElevation )
+ {
+ iDopplerData.iElevation = newDopplerData.iElevation;
+ event = MSourceDopplerObserver::KSphericalVelocityChanged;
+ }
+ else if ( newDopplerData.iRadius != iDopplerData.iRadius )
+ {
+ iDopplerData.iRadius = newDopplerData.iRadius;
+ event = MSourceDopplerObserver::KSphericalVelocityChanged;
+ }
+ else if ( newDopplerData.iFactor != iDopplerData.iFactor )
+ {
+ iDopplerData.iFactor = newDopplerData.iFactor;
+ event = MSourceDopplerObserver::KFactorChanged;
+ }
+ else if ( newDopplerData.iMaxFactor != iDopplerData.iMaxFactor )
+ {
+ iDopplerData.iMaxFactor = newDopplerData.iMaxFactor;
+ event = MSourceDopplerObserver::KMaxFactorChanged;
+ }
+
+
+ if (!event)
+ return;
+
+ for ( TInt i = 0; i < iObservers.Count(); i++ )
+ {
+ iObservers[i]->EffectChanged(this, event);
+ }
+ }
+
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+// End of File
+