devsoundextensions/effects/SrcDoppler/SourceDopplerProxy/Src/SourceDopplerProxy.cpp
changeset 0 40261b775718
--- /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
+