--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonesrv_plat/converged_call_provider_api/inc/mccpextensionprovider.h	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,84 @@
+/*
+* Copyright (c) 2006 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:  CCP extension provider class. 
+*
+*/
+
+
+#ifndef MCCPEXTENSIONPROVIDER_H
+#define MCCPEXTENSIONPROVIDER_H
+
+//  INCLUDES
+#include <e32base.h>
+
+class MCCPExtensionObserver;
+
+/**
+* Plug-in extension feature provider.
+* E.g telephony engine might have plugin features specific to call providers functionality. 
+* Plug-in specific actions can be requested via this class. 
+* Asyncronous results are are returned using MCCPExtensionObserver
+*
+*  @since S60 3.2
+*/
+class MCCPExtensionProvider
+	{
+protected:
+    /** 
+    * Protected destructor. Object cannot be deleted from plug-in client (CCE).
+    * @since S60 3.2
+    */
+    virtual inline ~MCCPExtensionProvider() {};
+	
+public:
+    /**
+    * Request a custom command from the plug-in. Result returned via MCCPExtensionObserver.
+    * @since S60 3.2
+    * @param aRequest Id of request. 
+    * @param aData Request data.
+    * @return none
+    */
+    virtual void RequestCommand( TInt aRequest, 
+                                 TDesC8& aData ) = 0;
+    /**
+    * Cancels request. Result returned via MCCPExtensionObserver.
+    * @since S60 3.2
+    * @param aReqToCancel Id of request to cancel. 
+    * @return none
+    */
+    virtual void CancelRequest( TInt aReqToCancel ) = 0;
+    
+    /**
+    * Add an observer for extension related events.
+    * Currently CCE will set only one observer.
+    * @since S60 v3.2
+    * @param aObserver Observer to add.
+    * @return none
+    * @leave system error if observer adding fails
+    */
+    virtual void AddObserverL( const MCCPExtensionObserver& aObserver ) = 0;
+
+    /**
+    * Remove an observer.
+    * @since S60 v3.2
+    * @param aObserver Observer to remove.
+    * @return KErrNone if removed succesfully. 
+    * @return KErrNotFound if observer was not found.
+    */
+    virtual TInt RemoveObserver( const MCCPExtensionObserver& aObserver ) = 0;
+    
+	};
+
+#endif // MCCPEXTENSIONPROVIDER_H
+