diff -r f742655b05bf -r d38647835c2e convergedconnectionhandler/cchclientapi/inc/cchclientobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/convergedconnectionhandler/cchclientapi/inc/cchclientobserver.h	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,154 @@
+/*
+* 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:  cch client api implementation class
+*
+*/
+
+
+
+#ifndef C_CCHCLIENTOBSERVER_H
+#define C_CCHCLIENTOBSERVER_H
+
+#include <e32base.h>
+#include <ccherror.h>
+#include <cchtypes.h>
+
+#include "cch.h"
+
+
+/**
+ *  Class for basic cch functionality, getting services
+ *
+ *  @code
+ *   ?good_class_usage_example(s)
+ *  @endcode
+ *
+ *  @lib cch
+ */
+class CCchClientObserver : public CActive
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     * 
+     * @param aCchService Cch service factory
+     */
+    static CCchClientObserver* NewL( CCchServiceImpl& aCchService ) ;
+    
+    /**
+     * Two-phased constructor.
+     * 
+     * @param aCchService Cch service factory
+     */
+    static CCchClientObserver* NewLC( CCchServiceImpl& aCchService );
+    
+    /**
+     * Destructor.
+     */
+    ~CCchClientObserver();
+
+    /**
+     * @deprecated Do not use this anymore, change to AddObserver!
+     * 
+     * Adds observer for listening service events
+     *
+     * @param aObserver Event observing class
+     */
+    void SetObserver( MCchServiceStatusObserver& aObserver );
+    
+    /**
+     * @deprecated Do not use this anymore, change to 
+     * RemoveObserver method with paramater
+     * 
+     * Removes the observer of service events
+     */
+    void RemoveObserver( );
+
+    /**
+     * Adds observer for listening service events
+     *
+     * @param aObserver Event observing class
+     * @return KErrAlreadyExist Observer already added
+     *         KErrNone Observer was added
+     */
+    TInt AddObserver( MCchServiceStatusObserver& aObserver );
+    
+    /**
+     * Removes the observer of service events
+     *
+     * @param aObserver Event observing class
+     * @return KErrNotFound Observer was not found
+     *         KErrNone Observer was removed
+     */
+    TInt RemoveObserver( MCchServiceStatusObserver& aObserver );
+    
+private:
+    
+    /**
+     * The constructor
+     * 
+     * @param aCchService Cch service factory
+     */
+	CCchClientObserver( CCchServiceImpl& aCchService );
+    
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+    void ConstructL();
+
+private: //from CActive
+
+	/**
+	 * @see CActive.
+	 */
+	void RunL();
+	
+	/**
+	 * @see CActive.
+	 */
+	void DoCancel();
+	
+	/**
+	 * @see CActive.
+	 */
+	TInt RunError( TInt aError );
+	
+private: // data
+	
+	/**
+	 * cch service factory, not own
+	 */
+	CCchServiceImpl& iCchService;
+	
+	/**
+	 * Service observer, not own
+	 */
+	MCchServiceStatusObserver* iBackwardSupportObserver;
+	
+	/**
+	 * Stores service status information
+	 */
+    TPckgBuf<TServiceStatus> iServiceStatus;
+
+    // Observers
+    RPointerArray<MCchServiceStatusObserver> iObservers;
+    
+#ifdef CCHUNITTEST
+    friend class UT_CCchService;
+#endif
+    };
+
+#endif // C_CCHCLIENTOBSERVER_H