/*

* 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: Music Player collection data - private implementation.

*

*/

#ifndef MPMPXCOLLECTIONDATA_P_H

#define MPMPXCOLLECTIONDATA_P_H

#include <e32base.h>

#include <QHash>

#include "mpmpxcollectiondata.h"

#include "mpmpxcollectionviewdefs.h"

class CMPXMedia;

class CMPXMediaArray;

class MpMpxCollectionDataPrivate

{

public:

    explicit MpMpxCollectionDataPrivate( MpMpxCollectionData *wrapper );

    virtual ~MpMpxCollectionDataPrivate();

    TCollectionContext context() const;

    int count() const;

    QString collectionTitle() const;

    QString itemData( int index, MpMpxCollectionData::DataType type ) const;

    bool isAutoPlaylist();

    bool isAutoPlaylist( int index );

    int itemCount( int index );

    int containerId();

    int itemId( int index);

    int albumSongId( int index);

    void removeItem( int index);

    bool testCachedItem( int itemId );

    void insertCachedItem( int index);

    bool setCurrentAlbum( int index );

    int currentAlbumIndex() const;

    int albumSongsCount() const;

    QString albumSongData( int index, MpMpxCollectionData::DataType type ) const;

    void setMpxMedia( const CMPXMedia& entries, bool reopen );

    const CMPXMedia& containerMedia();

    void setContext( TCollectionContext context );

    void setAlbumContent( const CMPXMedia& albumContent );

    int itemIndex( int itemUniqueId );

    int albumSongIndex( int songUniqueId );

private:

    void loadAlbumsLookup();

    void loadAlbumSongsLookup();

    void DoGetDataL( int index, MpMpxCollectionData::DataType type, QString& data ) const;

    bool DoIsAutoPlaylistL();

    bool DoIsAutoPlaylistL( int index );

    int DoGetItemCountL( int index );

    int DoGetContainerIdL();

    int DoGetItemIdL( int index );

    int DoGetAlbumSongIdL( int index );

    void DoRemoveItemL( int index );

    bool DoTestCachedItemL( int itemId );

    bool DoSetCurrentAlbumL( int index );

    void DoGetAlbumSongDataL( int index, MpMpxCollectionData::DataType type, QString& data ) const;

    void SetCollectionContextL();

    void DoSetMpxMediaL( const CMPXMedia& entries );

    void DoSetAlbumContentL( const CMPXMedia& albumContent );

private:

    MpMpxCollectionData     *q_ptr;

    TCollectionContext      iContext;

    CMPXMedia               *iContainerMedia;       // Owned

    CMPXMediaArray          *iMediaArray;           // Not owned

    CMPXMedia               *iCachedRemovedItem;    // Owned

    int                     iCurrentAlbumIndex;

    int                     iAlbumSongCount;

    QHash<int, int>         albumIdIndexMapping;

    QHash<int, int>         albumSongIdIndexMapping;

};

#endif // MPMPXCOLLECTIONDATA_P_H