diff -r 000000000000 -r ff3b6d0fd310 convergedcallengine/cce/src/ccceextension.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/convergedcallengine/cce/src/ccceextension.cpp	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,215 @@
+/*
+* 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:  Handles Extension interfaces
+*
+*/
+
+
+//  INCLUDE FILES
+#include "cccepluginmanager.h"
+#include "ccceextension.h"
+#include "cccelogger.h"
+
+
+#include "mcceextensionobserver.h"
+#include "mccpextensionprovider.h"
+
+#include "cconvergedcallprovider.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+// -----------------------------------------------------------------------------
+// NewL()
+// -----------------------------------------------------------------------------
+//
+CCCEExtension* CCCEExtension::NewL( CCCEPluginManager& aPluginManager )
+    {
+    CCCEExtension* self = new (ELeave) CCCEExtension( aPluginManager );
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCCEDtmf()
+// -----------------------------------------------------------------------------
+//
+CCCEExtension::CCCEExtension( CCCEPluginManager& aPluginManager ):
+    iPluginManager( aPluginManager )
+    {
+
+    }
+
+// -----------------------------------------------------------------------------
+// ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CCCEExtension::ConstructL()
+    {
+
+    }
+
+// -----------------------------------------------------------------------------
+// ~CCCEExtension()
+// -----------------------------------------------------------------------------
+//
+CCCEExtension::~CCCEExtension()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// AddObserverL( MCCEDtmfObserver& aObserver )
+// -----------------------------------------------------------------------------
+//
+void CCCEExtension::AddObserverL( const MCCEExtensionObserver& aObserver )
+    {
+    // add support for more than one observer later on. Only one is used at the moment. Last one 
+    // given is used.
+    iMCCEExtensionObserver = const_cast<MCCEExtensionObserver*>(&aObserver);
+    }
+
+// -----------------------------------------------------------------------------
+// RemoveObserver( MCCEDtmfObserver& aObserver )
+// -----------------------------------------------------------------------------
+//
+TInt CCCEExtension::RemoveObserver( const MCCEExtensionObserver& /*aObserver*/ )
+    {
+    // add support for more than one observer later on. Only one is used at the moment. Last one 
+    // given is used.
+
+    if( !iMCCEExtensionObserver )
+    	{
+    	return KErrNotFound;
+    	}
+    	
+	iMCCEExtensionObserver = NULL;
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// RequestCommand()
+// -----------------------------------------------------------------------------
+//
+TInt CCCEExtension::RequestCommand( TUint32 aServiceId,
+									TInt aRequestId, 
+									TDesC8& aData )
+    {
+    CCELOGSTRING3("CCCEExtension::RequestCommand(): Service id=%d Request id=%d", aServiceId, aRequestId );
+
+	CConvergedCallProvider* plugin = GetExtIfPlugin(aServiceId);
+
+	if( !plugin )
+	    {
+    	CCELOGSTRING("CCCEExtension::RequestCommand(): Plug-in for service-id was not found. Returning KErrNotFound" );
+	    return KErrNotFound;
+	    }
+
+    MCCPExtensionProvider* extif = NULL;
+	TRAPD( err, extif = plugin->ExtensionProviderL(*this) );
+
+	if( err!=KErrNone )
+		{
+    	CCELOGSTRING2("CCCEExtension::RequestCommand(): Plug-in was found, but extension interface get failed with error=%d", err );
+		return err;
+		}
+   
+    if( extif )
+        {
+        extif->RequestCommand(aRequestId,aData);
+        }
+    else
+        {
+    	CCELOGSTRING("CCCEExtension::RequestCommand() Plug-in extension interface was found, but extensions are not supported. Returning KErrNotSupported" );
+        return KErrNotSupported;
+        }
+
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CancelRequest()
+// -----------------------------------------------------------------------------
+//
+TInt CCCEExtension::CancelRequest( TUint32 aServiceId,
+								   TInt aRequestId )
+    {
+    CCELOGSTRING3("CCCEExtension::CancelRequest(): Service id=%d Request id=%d", aServiceId, aRequestId );
+
+	CConvergedCallProvider* plugin = GetExtIfPlugin(aServiceId);
+
+	if( !plugin )
+	    {
+    	CCELOGSTRING("CCCEExtension::CancelRequest(): Plug-in for service-id was not found. Returning KErrNotFound" );
+	    return KErrNotFound;
+	    }
+
+    MCCPExtensionProvider* extif = NULL;
+	TRAPD( err, extif = plugin->ExtensionProviderL(*this) );
+
+	if( err!=KErrNone )
+		{
+    	CCELOGSTRING2("CCCEExtension::CancelRequest(): Plug-in was found, but extension interface get failed with error=%d", err );
+		return err;
+		}
+	
+    if( extif )
+        {
+        extif->CancelRequest(aRequestId);
+        }
+    else
+        {
+    	CCELOGSTRING("CCCEExtension::CancelRequest() Plug-in extension interface was found, but extensions are not supported. Returning KErrNotSupported" );
+        return KErrNotSupported;
+        }
+
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// HandleExtensionEvents()
+// -----------------------------------------------------------------------------
+//
+void CCCEExtension::HandleExtensionEvents( TUint32 aServiceId,
+										   TInt aEvent,
+                                           TInt aStatus )
+    {
+    CCELOGSTRING3("CCCEExtension::HandleExtensionEvents(): Service id=%d Event=%d", aServiceId, aEvent );
+    CCELOGSTRING2("CCCEExtension::HandleExtensionEvents(): Status=%d", aStatus );
+
+    if( iMCCEExtensionObserver )
+    	{
+		iMCCEExtensionObserver->HandleExtensionEvents(aServiceId,aEvent,aStatus);
+    	}
+   	else
+   		{
+    	CCELOGSTRING("CCCEExtension::HandleExtensionEvents(): No observer was set, ignoring no event was notified!" );
+   		}
+    }
+
+// -----------------------------------------------------------------------------
+// HandleExtensionEvents()
+// -----------------------------------------------------------------------------
+//
+CConvergedCallProvider* CCCEExtension::GetExtIfPlugin( TUint32 aServiceId )
+    {
+    CConvergedCallProvider* provider = NULL;
+    
+    TRAP_IGNORE( provider = iPluginManager.GetPluginL( aServiceId ) );
+
+	return provider;
+    }
+
+
+// end of file