devsoundextensions/effects/SrcLocation/SourceLocationProxy/Src/SourceLocationProxy.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/devsoundextensions/effects/SrcLocation/SourceLocationProxy/Src/SourceLocationProxy.cpp Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,234 @@
+/*
+* 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 <e32svr.h>
+#endif
+
+#include "SourceLocationProxy.h"
+#include "SourceLocationEventObserver.h"
+#include <CustomInterfaceUtility.h>
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CSourceLocationProxy::CSourceLocationProxy
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CSourceLocationProxy::CSourceLocationProxy(
+ TMMFMessageDestinationPckg aMessageHandler,
+ MCustomCommand& aCustomCommand,
+ CCustomInterfaceUtility* aCustomInterfaceUtility )
+ : iCustomCommand(&aCustomCommand),
+ iMessageHandler(aMessageHandler),
+ iCustomInterfaceUtility(aCustomInterfaceUtility)
+
+ {
+ }
+
+// Destructor
+CSourceLocationProxy::~CSourceLocationProxy()
+ {
+ // Remove the custom interface message handler before we destroy the proxy.
+ if(iCustomInterfaceUtility)
+ iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
+ delete iSourceLocationEventObserver;
+ delete iCustomInterfaceUtility;
+ }
+
+// -----------------------------------------------------------------------------
+// CSourceLocationProxy::NewL
+// Static function for creating an instance of the SourceLocation object.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSourceLocationProxy* CSourceLocationProxy::NewL(
+ TMMFMessageDestinationPckg aMessageHandler,
+ MCustomCommand& aCustomCommand,
+ CCustomInterfaceUtility* aCustomInterfaceUtility )
+ {
+ CSourceLocationProxy* self = new (ELeave) CSourceLocationProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CSourceLocationProxy::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CSourceLocationProxy::ConstructL()
+ {
+ iSourceLocationEventObserver = CSourceLocationEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);
+ StartObserver();
+
+ TEfLocationDataPckg dataPckgFrom;
+ // sends a message to fetch initial data.
+ iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ESlfInitialize, KNullDesC8, KNullDesC8, dataPckgFrom);
+ SetEffectData(dataPckgFrom);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CSourceLocationProxy::ApplyL
+// Apply the bassboost settings.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CSourceLocationProxy::ApplyL()
+ {
+#ifdef _DEBUG
+ RDebug::Print(_L("CSourceLocationProxy::Apply"));
+#endif
+
+ if (iHaveUpdateRights )
+ {
+ iLocationData.iEnabled = iEnabled;
+ iLocationData.iEnforced = iEnforced;
+ iLocationData.iHaveUpdateRights = iHaveUpdateRights;
+
+ iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ESlfApply, DoEffectData(), KNullDesC8);
+ }
+ else
+ {
+ User::Leave(KErrAccessDenied);
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CSourceLocationProxy::StartObserver
+// Starts the event observer. The event observer monitors asynchronous events
+// from the message handler.
+// -----------------------------------------------------------------------------
+//
+void CSourceLocationProxy::StartObserver()
+ {
+#ifdef _DEBUG
+ RDebug::Print(_L("CSourceLocationProxy::StartObserver"));
+#endif
+
+ iSourceLocationEventObserver->Start();
+ }
+
+// -----------------------------------------------------------------------------
+// CSourceLocationProxy::SourceLocationEvent
+// Checks which data member has changed and notify the observers.
+// -----------------------------------------------------------------------------
+//
+void CSourceLocationProxy::SourceLocationEvent(
+ const TDesC8& aBuffer )
+ {
+#ifdef _DEBUG
+ RDebug::Print(_L("CSourceLocationProxy::SourceLocationEvent"));
+#endif
+
+ TEfLocationDataPckg dataPckgFrom;
+ dataPckgFrom.Copy(aBuffer);
+ TEfLocation newLocationData = dataPckgFrom();
+
+ TUint8 event = 0;
+
+ if ( newLocationData.iEnabled != iLocationData.iEnabled )
+ {
+ iLocationData.iEnabled = newLocationData.iEnabled;
+ iEnabled = newLocationData.iEnabled;
+ if ( iLocationData.iEnabled )
+ {
+ event = MAudioEffectObserver::KEnabled;
+ }
+ else
+ {
+ event = MAudioEffectObserver::KDisabled;
+ }
+ }
+ else if ( newLocationData.iEnforced != iLocationData.iEnforced )
+ {
+ iLocationData.iEnforced = newLocationData.iEnforced;
+ iEnforced = newLocationData.iEnforced;
+ if ( iLocationData.iEnforced )
+ {
+ event = MAudioEffectObserver::KEnforced;
+ }
+ else
+ {
+ event = MAudioEffectObserver::KNotEnforced;
+ }
+ }
+ else if ( newLocationData.iHaveUpdateRights != iLocationData.iHaveUpdateRights )
+ {
+ iLocationData.iHaveUpdateRights = newLocationData.iHaveUpdateRights;
+ iHaveUpdateRights = newLocationData.iHaveUpdateRights;
+ if ( iLocationData.iHaveUpdateRights )
+ {
+ event = MAudioEffectObserver::KGainedUpdateRights;
+ }
+ else
+ {
+ event = MAudioEffectObserver::KLostUpdateRights;
+ }
+ }
+ else if ( newLocationData.iXCoordinate != iLocationData.iXCoordinate )
+ {
+ iLocationData.iXCoordinate = newLocationData.iXCoordinate;
+ event = MSourceLocationObserver::KLocationCartesianChanged;
+ }
+ else if ( newLocationData.iYCoordinate != iLocationData.iYCoordinate )
+ {
+ iLocationData.iYCoordinate = newLocationData.iYCoordinate;
+ event = MSourceLocationObserver::KLocationCartesianChanged;
+ }
+ else if ( newLocationData.iZCoordinate != iLocationData.iZCoordinate )
+ {
+ iLocationData.iZCoordinate = newLocationData.iZCoordinate;
+ event = MSourceLocationObserver::KLocationCartesianChanged;
+ }
+ else if ( newLocationData.iAzimuth != iLocationData.iAzimuth )
+ {
+ iLocationData.iAzimuth = newLocationData.iAzimuth;
+ event = MSourceLocationObserver::KLocationSphericalChanged;
+ }
+ else if ( newLocationData.iElevation != iLocationData.iElevation )
+ {
+ iLocationData.iElevation = newLocationData.iElevation;
+ event = MSourceLocationObserver::KLocationSphericalChanged;
+ }
+ else if ( newLocationData.iRadius != iLocationData.iRadius )
+ {
+ iLocationData.iRadius = newLocationData.iRadius;
+ event = MSourceLocationObserver::KLocationSphericalChanged;
+ }
+
+ if (!event)
+ return;
+
+ for ( TInt i = 0; i < iObservers.Count(); i++ )
+ {
+ iObservers[i]->EffectChanged(this, event);
+ }
+ }
+
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+// End of File