videofeeds/vcnsuiengine/inc/vcxnscontentproviderobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:21:12 +0200
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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#ifndef MVCXNSCONTENTPROVIDEROBSERVER_H
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#define MVCXNSCONTENTPROVIDEROBSERVER_H
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// INCLUDES
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#include <e32std.h>
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#include <e32base.h>
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#include "CIptvUtil.h" 
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class CVcxNsContent;
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// CLASS DECLARATION
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/**
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 *  MVcxNsContentProviderObserver
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 * 
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 *  @lib vcxnsuiengine.lib
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 */
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class MVcxNsContentProviderObserver
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    {
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public:
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    /**
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     * Notify content's data has been updated.
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     *
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     * @param aIndex Updated item's index
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     */
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    virtual void ContentUpdated( TInt aIndex ) = 0;
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    /**
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     * Full view data needs to be updated.
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     */
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    virtual void RefreshView() = 0;
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    /**
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     * Application state needs to be updated.
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     */
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    virtual void HandleAppStateChangedL() = 0;
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    /**
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     * Epg update is ongoing, show the notification.
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     * When downloading and parsing the xml, both parameters are 0.
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     * 
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     * @param aShow If ETrue, show the note, if EFalse, hide it.
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     * @param aDownloadedTbns count of downloaded thumbnails.
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     * @param aTotalTbns Total count of thumbnails to be downloaded.
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     */
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    virtual void ShowUpdatingNoteL( 
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            TBool aShow, 
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            TInt aDownloadedTbns, 
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            TInt aTotalTbns ) = 0;
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    /**
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     * Handle error 
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     * 
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     * @param aError Error to handle in UI
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     */
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    virtual void HandleUpdateErrorL( TInt aError ) = 0;
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    /**
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     * Handle download error 
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     * 
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     * @param aError Error to handle in UI
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     * @param aContent Details of the video which download has failed.
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     */
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    virtual void HandleDownloadErrorL( 
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        TIptvDlError aError, 
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        CVcxNsContent& aContent ) = 0;
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    };
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#endif // MVCXNSCONTENTPROVIDEROBSERVER_H