diff -r 000000000000 -r ff3b6d0fd310 telutils/telephonyservice/inc/cmediatorservice.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telutils/telephonyservice/inc/cmediatorservice.h	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,195 @@
+/*
+* Copyright (c) 2007-2008 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:  This class is responsible for communication towards Mediator.
+*
+*/
+
+
+#ifndef CMEDIATORSERVICE_H
+#define CMEDIATORSERVICE_H
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+
+#include <MediatorCommandInitiator.h>
+#include <MediatorEventConsumer.h>
+
+// forward declarations 
+
+// CLASS DECLARATION
+
+/**
+ *  An observer interface for receiving responses to Mediator Service commands.  
+ * 
+ *  @lib telephonyservice.lib
+ *  @since S60 v5.1
+ */
+NONSHARABLE_CLASS( MMediatorServiceObserver ) 
+    {
+    public: // Receiving responses
+
+        /**
+        * A response to a Mediator Service command.
+        *
+        * @since S60 5.1       
+        * @param aData      The parameters of the response.
+        * @return None.
+        */
+        virtual void CommandResponseL( const TDesC8& aData ) = 0;
+        
+        /**
+         * A Mediator Service event.
+         *
+         * @since S60 5.1       
+         * @param aData      The parameters received with the event.
+         * @return None.
+         */
+        virtual void MediatorEventL( const TDesC8& aData ) = 0;
+        
+    };
+
+
+// CLASS DECLARATION
+
+/**
+ *  This class is responsible for communication towards Mediator.  
+ * 
+ *  @lib telephonyservice.lib
+ *  @since S60 v5.1
+ */
+NONSHARABLE_CLASS( CMediatorService ) : public CBase,
+                         public MMediatorCommandResponseObserver,
+                         public MMediatorEventObserver
+    {
+public:
+    
+    /**
+     * Enumerates service categories provided by CMediatorService.
+     *
+     * ECallInfo - CMediatorService is used for call information commands and events.
+     * ECallRemotePartyInfo - CMediatorService is used for call remote party information
+     *                        commands and events.
+     */
+    enum TServiceCategory
+        {
+        ECallInfo,  
+        ECallRemotePartyInfo        
+        };
+    
+    // Constructors and destructor
+
+    /**
+     * Destructor.
+     */
+    ~CMediatorService();
+
+    /**
+     * Two-phased constructor.
+     */
+    static CMediatorService* NewL( TServiceCategory aService );
+
+    /**
+     * Two-phased constructor.
+     */
+    static CMediatorService* NewLC( TServiceCategory aService );
+    
+    /**
+     * Sets the observer.
+     */
+    void SetObserver( MMediatorServiceObserver* aObserver );    
+    
+    /**
+     * Send mediator command.
+     */
+    virtual TInt SendCommand();
+    
+    /**
+     * Subscribe mediator event.
+     */
+    virtual TInt SubscribeEvent();
+    
+// from base class MMediatorCommandResponseObserver
+         
+    /**
+     * From MMediatorCommandResponseObserver.
+     * A response to a Mediator Service command.
+     *
+     * @since S60 v3.1
+     * @param aDomain    The identifier of the domain          
+     * @param aCategory  The identifier of the category.
+     * @param aCommandId The identifier of the command.
+     * @param aStatus    Standard Symbian error code indicating the
+     *                   success of the command.
+     * @param aData      The parameters of the response.
+     * @return None.
+     */
+    void CommandResponseL( TUid aDomain,
+                           TUid aCategory, 
+                           TInt aCommandId,
+                           TInt aStatus, 
+                           const TDesC8& aData );
+    
+// from base class MMediatorEventObserver      
+          
+    /**
+     * From MMediatorEventObserver.
+     * A Mediator Service event.
+     *
+     * @since S60 3.1        
+     * @param aDomain    The identifier of the domain.
+     * @param aCategory  The identifier of the category.
+     * @param aEventId   The identifier of the event.
+     * @param aData      The parameters of the event.
+     * @return None.
+     */
+    void MediatorEventL( TUid aDomain,
+                         TUid aCategory, 
+                         TInt aEventId, 
+                         const TDesC8& aData );    
+
+protected:
+
+    /**
+     * Constructor for performing 1st stage construction
+     */
+    CMediatorService( TServiceCategory aService );
+
+    /**
+     * EPOC default constructor for performing 2nd stage construction
+     */
+    void ConstructL();
+    
+private:
+    
+    /**
+     * Sets the parameters used in Mediator commands and events
+     */
+    void SetMediatorParams();
+    
+private:  //data
+    CMediatorCommandInitiator* iCommandInitiator;
+    CMediatorEventConsumer*    iMediatorEvent;
+    
+    MMediatorServiceObserver*  iObserver;
+    
+    TServiceCategory    iServiceCategory;
+    TUid        iDomain;
+    TUid        iCategory; 
+    TInt        iCommandId;
+    TInt        iEventId;
+    TVersion    iVersion;
+    };
+
+#endif // CMEDIATORSERVICE_H