videocollection/hgmyvideos/inc/vcxhgmyvideosvideomodelobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 15 Jul 2010 18:41:27 +0300
branchRCL_3
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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:      Observer interface for video data changes.*
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*/
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#ifndef VCXHGMYVIDEOSVIDEOMODELOBSERVER_H
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#define VCXHGMYVIDEOSVIDEOMODELOBSERVER_H
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// INCLUDE FILES
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#include <mpxcollectionmessagedefs.h>
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#include <mpxitemid.h>
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// FORWARD DECLARATIONS
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class CMPXMediaArray;
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class CMPXMedia;
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// CLASS DECLARATION
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/**
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 * Observer interface for video data changes.
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 *
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 * @lib vcxhgmyvideos.lib
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 */
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NONSHARABLE_CLASS( MVcxHgMyVideosVideoModelObserver )
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    {
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    public:
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        /**
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         * Called when a list of videos is available.
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         * 
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         * @param aVideoList List of videos
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         */
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        virtual void NewVideoListL( CMPXMediaArray& aVideoList ) = 0;
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        /**
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         * Called when the whole video list has been modified.
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         * Normally this means that new items have been appended to list.
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         */
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        virtual void VideoListModifiedL() = 0;
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        /*
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         * Called when a single video item has fetched.
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         * Ownership of video is transferred.
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         * 
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         * @param aVideo Video item.
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         */
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        virtual void VideoFetchingCompletedL( CMPXMedia* aVideo ) = 0;
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        /**
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         * Called when a single video item has been modified (add/remove/modify).
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         * 
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         * @param aEventType Type of modification event (add/remove/modify).
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         * @param aMpxItemId MPX Item Id of the modified item.
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         * @param aExtraInfo Extra information for modification event.
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         * @param aSimulated If ETrue, event is not originated from MPX Collection.
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         */
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        virtual void VideoModifiedL( TMPXChangeEventType aEventType,
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                                     TMPXItemId aMpxItemId,
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                                     TInt32 aExtraInfo,
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                                     TBool aSimulated = EFalse ) = 0;
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        /**
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         * Called when multiple video deletion command is completed.
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         * 
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         * @param aFailedCount Count of failed deletions, if any.
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         * @param aFailedMpxId If above 1, MPXItemId of failed deletion.
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         */
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        virtual void VideoDeletionCompletedL( TInt aFailedCount,
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                                              TMPXItemId aFailedMpxId ) = 0;
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        /**
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         * Called when move or copy command is completed.
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         * 
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         * @param aFailedCount Count of failed moves/copies, if any.
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         * @param aFailedMpxId If above 1, MPXItemId of failed move/copy.
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         */
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        virtual void VideoMoveOrCopyCompletedL( TInt aFailedCount,
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                                                TMPXItemId aFailedMpxId ) = 0;
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        /**
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         * Called when all details for a video have been fetched.
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         * 
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         * @param aMedia MPX Media that contains all details.
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         */
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        virtual void VideoDetailsCompletedL( const CMPXMedia& aMedia ) = 0;
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    };
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#endif // VCXHGMYVIDEOSVIDEOMODELOBSERVER_H