/*

* 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 the License "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 MVCXNSSERVICEPROVIDEROBSERVER_H

#define MVCXNSSERVICEPROVIDEROBSERVER_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include "CIptvUtil.h"

class CVcxNsService;

class TViaPlayerCustomMessage;

// CLASS DECLARATION

/**

 *  MVcxNsServiceProviderObserver

 * 

 *  @lib vcxnsuiengine.lib

 */

class MVcxNsServiceProviderObserver

    {

public:

    /**

     * Notify service has been added.

     *

     * @param aIndex Added item's index

     */

    virtual void ServiceAdded( TInt aIndex ) = 0;

    /**

     * Notify service's data has been updated.

     *

     * @param aIndex Updated item's index

     */

    virtual void ServiceUpdated( TInt aIndex ) = 0;

    /**

     * Notify services data has been removed

     *

     * @param aIndex Removed item's index

     * @param aUpdatedServiceList Updated service list array

     */

    virtual void ServiceRemoved( 

            TInt aIndex, 

            RPointerArray<CVcxNsService>& aUpdatedServiceList ) = 0;

    /**

     * Full view data needs to be updated.

     */

    virtual void RefreshView() = 0;

    /**

     * Application state needs to be updated.

     */

    virtual void HandleAppStateChangedL() = 0;

    /**

     * Open browser with specified url.

     * @param aUri URL

     */    

    virtual void OpenBrowserLinkL( const TDesC& aUri ) = 0;

    /**

     * Open streaming link with specified player message.

     * @param aPlayerMsg Player message

     */

    virtual void OpenStreamingLinkL( const TDesC& aUri ) = 0;

    };

#endif // MVCXNSSERVICEPROVIDEROBSERVER_H