/*

* Copyright (c) 2009 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:   Signal receiver interface for video data changes.*

*/

#ifndef __VIDEOMODELOBSERVER_H

#define __VIDEOMODELOBSERVER_H

// INCLUDES

#include <QObject>

#include <mpxcollectionmessagedefs.h>

#include <mpxitemid.h>

#include <QList>

// FORWARD DECLARATIONS

class CMPXMediaArray;

class CMPXMedia;

// CLASS DECLARATION

/**

 * Observer interface for video data changes.

 *

 * @lib vcxnsmyvideos.lib

 */

class  VideoDataSignalReceiver : public QObject

{

    Q_OBJECT

public slots:

    /**

     * Signaled when a list of videos is available.

     * Ownership of array is not transferred.

     * 

     * @param aVideoList List of videos

     */

    virtual void newVideoListSlot( CMPXMediaArray* aVideoList ) = 0;

    /**

     * Signaled when a list of videos is appended from collection.

     * Ownership of array is not transferred.

     * 

     * @param videoList List of videos

     */

    virtual void appendVideoListSlot( CMPXMediaArray* videoList ) = 0;

    /**

     * Signaled when a single video item has fetched.

     * Ownership of video is transferred.

     * 

     * @param aVideo Video item.

     */

    virtual void newVideoAvailableSlot( CMPXMedia* aVideo ) = 0;

    /**

     * Signaled when received an avent about externally removed item.

     * 

     * @param itemId item id

     */

    virtual void itemDeletedSlot( TMPXItemId itemId ) = 0;

    /**

     * Signaled when multiple video deletion command is completed.

     * 

     * @param overallCount count of ALL videos in this delete procedure 

     * @param failedMediaIds media-array containing possible failed medias

     */

    virtual void videoDeleteCompletedSlot( int overallCount, QList<TMPXItemId> *failedMediaIds ) = 0;

    /**

     * Signaled when album remove command is completed and some albums were not removed.

     * 

     * @param failedMediaIds media-array containing failed medias

     */

    virtual void albumRemoveFailureSlot( QList<TMPXItemId> *failedMediaIds ) = 0;

    /**

     * Signaled when all details for a video have been fetched.

     * 

     * @param media MPX Media that contains all details.

     */

    virtual void videoDetailsCompletedSlot( CMPXMedia* media ) = 0;

    /**

     * Signalled when album items are recieved.

     * 

     * @param albumId, Album which items are received.

     * @param albumItems, Items belonging to the current album.

     */

    virtual void albumListAvailableSlot(TMPXItemId albumId,

        CMPXMediaArray *albumItems) = 0;

    /**

     * Signalled when item has been mofidied.

     * 

     * @param itemId, item that has been modified.

     */

    virtual void itemModifiedSlot(const TMPXItemId &itemId) = 0;

    /**

     * Signalled when list is complete.

     */

    virtual void listCompleteSlot() = 0;

};

#endif // __VIDEOMODELOBSERVER_H