diff -r 000000000000 -r 29b1cd4cb562 atext/server/inc/atextpluginobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/atext/server/inc/atextpluginobserver.h	Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,90 @@
+/*
+* Copyright (c) 2008 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: 
+*
+*/
+
+
+#ifndef C_ATEXTPLUGINOBSERVER_H
+#define C_ATEXTPLUGINOBSERVER_H
+
+#include <ecom/ecom.h>
+#include <atextpluginbase.h>
+
+class CATExtPluginBase;
+
+/**
+ *  The interface for AT Extension Plugin to interact with plugins.
+ *
+ *  @since S60 v5.0
+ */
+class MATExtPluginObserver
+    {
+
+public:
+
+    /**
+     * Called by extension plugins when there is an unsolicited result code
+     * should be sent to destination.
+     *
+     * Each AT Extension Plugin is responsible to format
+     * result codes properly, e.g. in BT HFP case, the
+     * format should be <cr><lf><result code><cr><lf>
+     *
+     * @since S60 v5.0
+     * @param aPlugin Plugin from which the URC comes
+     * @param aAT the unsolicited result code to be sent.
+     * @return Symbian error code on error, KErrNone otherwise
+     */
+    virtual TInt SendUnsolicitedResult( CATExtPluginBase* aPlugin,
+                                        const TDesC8& aAT ) = 0;
+
+    /**
+     * Called by Extension Plugins to inform ATEXT that a command
+     * handling has been completed or rejected.
+     *
+     * @since S60 v5.0
+     * @param aPlugin Plugin from which the completion comes
+     * @param aError Error code for completion
+     * @param aReplyType Reply type for the handled AT command
+     * @return Symbian error code on error, KErrNone otherwise
+     */
+    virtual TInt HandleCommandCompleted( CATExtPluginBase* aPlugin,
+                                         TInt aError,
+                                         TATExtensionReplyType aReplyType ) = 0;
+
+    /**
+     * Called by concrete extension plugin to inform the array of supported
+     * commands should be returned
+     *
+     * @since S60 5.0
+     * @param aPlugin Plugin from which the completion comes
+     * @param aCmd Array of supported commands
+     * @return Symbian error code on error, KErrNone otherwise
+     */
+    virtual TInt GetSupportedCommands( CATExtPluginBase* aPlugin,
+                                       RPointerArray<HBufC8>& aCmds ) = 0;
+
+    /**
+     * Called by the destructor of CATExtPluginBase.
+     * A concrete service provider implementation should not touch this.
+     *
+     * @param aPlugin Plugin from which the closing comes
+     * @return Symbian error code on error, KErrNone otherwise
+     */
+    virtual TInt ATExtPluginClosed( CATExtPluginBase* aPlugin ) = 0;
+
+    };
+
+#endif  // C_ATEXTPLUGINOBSERVER_H