--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreensrv_plat/sapi_backstepping/src/bsserviceprovider.cpp	Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,147 @@
+/*
+* Copyright (c) 2007 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:  Back Stepping Service Provider
+ *
+*/
+
+
+#include <ecom/implementationproxy.h>
+#include <liwcommon.h>
+
+#include "bsserviceprovider.h"
+#include "bsserviceconstants.h"
+#include "bsserviceinterface.h"
+
+using namespace LIW;
+
+// ======== LOCAL FUNCTIONS =========
+
+// ---------------------------------------------------------------------------
+// Map the interface UIDs to implementation factory functions
+// ---------------------------------------------------------------------------
+//
+const TImplementationProxy ImplementationTable[] =
+    {
+    IMPLEMENTATION_PROXY_ENTRY( KBSServiceImplUid, CBSServiceProvider::NewL )
+    };
+
+// ---------------------------------------------------------------------------
+// Exported proxy for instantiation method resolution
+// ---------------------------------------------------------------------------
+//
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+    {
+    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+    return ImplementationTable;
+    }
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CBSServiceProvider::CBSServiceProvider()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CBSServiceProvider* CBSServiceProvider::NewL()
+    {
+    return new (ELeave) CBSServiceProvider();
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+CBSServiceProvider::~CBSServiceProvider()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+void CBSServiceProvider::InitialiseL(
+    MLiwNotifyCallback& /*aFrameworkCallback*/, const RCriteriaArray& /*aInterest*/)
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+void CBSServiceProvider::HandleServiceCmdL( const TInt& aCmdId,
+    const CLiwGenericParamList& aInParamList,
+    CLiwGenericParamList& aOutParamList, TUint aCmdOptions,
+    const MLiwNotifyCallback* aCallback )
+
+    {
+    if ( (aCallback ) || (aCmdOptions ) )
+        {
+        // report error if request is anything other than synchronous
+        // or user sends a callback parameter
+        HandleErrorL( aOutParamList, KErrNotSupported );
+        return;
+        }
+
+    TPtrC8 cmdName;
+    const TLiwGenericParam* cmd= NULL;
+    if ( aCmdId == KLiwCmdAsStr )
+        {
+        TInt pos( 0);
+        cmd = aInParamList.FindFirst( pos, KGenericParamServiceCmdIDStr );
+        if ( cmd )
+            {
+            cmdName.Set( cmd->Value().AsData( ) );
+            }
+        else
+            {
+            HandleErrorL( aOutParamList, KErrArgument );
+            }
+        }
+    else
+        {
+        HandleErrorL( aOutParamList, KErrNotSupported );
+        }
+
+    if ( !cmdName.CompareF( KBSInterface ) )
+        {
+        // create interface pointer and return the output param
+        CBSServiceInterface* ifp = CBSServiceInterface::NewLC( );
+        aOutParamList.AppendL( TLiwGenericParam( KBSInterface,
+            TLiwVariant( ifp ) ) );
+        CleanupStack::Pop( ifp );
+        return;
+        }
+    else
+        {
+        HandleErrorL( aOutParamList, KErrNotSupported );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// ---------------------------------------------------------------------------
+//
+void CBSServiceProvider::HandleErrorL( CLiwGenericParamList& aOutParamList,
+    const TInt aError )
+    {
+    aOutParamList.AppendL( TLiwGenericParam( EGenericParamError,
+        TLiwVariant( aError ) ) );
+    }