diff -r 000000000000 -r ff3b6d0fd310 telutils/telephonyservice/inc/ctelsrvbase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telutils/telephonyservice/inc/ctelsrvbase.h	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2008-2009 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:  Provides base class for telephonyservice API implementation classes.
+*
+*/
+
+#ifndef CTELSRVBASE_H
+#define CTELSRVBASE_H
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+
+#include "cmediatorservice.h"
+
+// CLASS DECLARATION
+
+/**
+ *  CTelSrvBase
+ * 
+ */
+NONSHARABLE_CLASS( CTelSrvBase ) : public CBase,
+                                   public MMediatorServiceObserver 
+    {
+public:
+    // Constructors and destructor
+
+    /**
+     * Destructor.
+     */
+    ~CTelSrvBase();    
+    
+// from base class MMediatorServiceObserver
+        
+    /**
+     * From MMediatorEventObserver.     
+     * Template method for handling a response to a Mediator Service command.
+     *
+     * @since S60 v5.1
+     * @param aData      The parameters of the response.
+     */
+    void CommandResponseL( const TDesC8& aData );      
+          
+    /**
+     * From MMediatorEventObserver.
+     * Template method for handling a Mediator Service event.     
+     *
+     * @since S60 v5.1     
+     * @param aData      The parameters of the event.
+     * @return None.
+     */
+    virtual void MediatorEventL( const TDesC8& aData );
+    
+protected:
+    
+    /**
+     * Constructor for performing 1st stage construction
+     */
+    CTelSrvBase();
+    
+    /**
+     * EPOC default constructor for performing 2nd stage construction
+     */    
+    void BaseConstructL( CMediatorService* aMediatorService );
+    
+    /**
+     * Get the current info through Mediator. 
+     * Takes care about the situation that Mediator command must be re-send.
+     *
+     * @since S60 v5.1      
+     */
+    void Initialize();  
+    
+    /**
+     * Abstract method to be implemented by concrete subclass. 
+     * 
+     *
+     * @since S60 v5.1      
+     */
+    virtual void DoHandleCommandResponseL( const TDesC8& aData ) = 0;
+    
+    /**
+     * Abstract method to be implemented by concrete subclass. 
+     * 
+     *
+     * @since S60 v5.1      
+     */
+    virtual void DoHandleMediatorEventL( const TDesC8& aData ) = 0;
+    
+    /**
+     * Starts re-sending mediator command.
+     *
+     * @since S60 v5.1       
+     */
+    static TInt DoReSendCommand(TAny* aPtr);
+    
+    /**
+     * Subscribe to Mediator Event.
+     *
+     * @since S60 v5.1       
+     */
+    virtual void SubscribeMediatorEventL(); 
+
+protected: //data
+    
+    // Ownded: Mediator service proxy, must be created by by concrete sublass. 
+    CMediatorService* iMediatorService;
+    
+private: //data    
+    /**
+     * To synchronize construction.
+     * Own.
+     */
+    CActiveSchedulerWait* iWaitForCommandResponse;    
+     
+    /**
+     * idle object handling of re-sending mediator command.
+     * Own.
+     */
+    CIdle*            iCommandBuffer; 
+
+    };
+
+#endif // CTELSRVBASE_H