mpviewplugins/mpcollectionviewplugin/inc/mpcollectionalbumartmanager.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Mar 2010 09:28:13 +0200
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/*
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* Copyright (c) 2009 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 "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: Music Player collection album art manager.
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*
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*/
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#ifndef MPCOLLECTIONALBUMARTMANAGER_H
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#define MPCOLLECTIONALBUMARTMANAGER_H
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#include <QObject>
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#include <QHash>
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#include <QMap>
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#include <QQueue>
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#include <QPair>
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#include <QBitmap>
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#include <hbicon.h>
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class ThumbnailManager;
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class MpCollectionAlbumArtManager : public QObject
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{
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    Q_OBJECT
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public:
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    explicit MpCollectionAlbumArtManager( QObject *parent=0 );
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    virtual ~MpCollectionAlbumArtManager();
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    HbIcon albumArt( const QString &albumArtUri, int index );
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    bool cacheAlbumArt( const QStringList albumArtList );
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    void cancel();
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signals:
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    void albumArtReady( int index );
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    void albumCacheReady();
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public slots:
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    void thumbnailReady( const QPixmap& pixmap, void *data, int id, int error );
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private:
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    ThumbnailManager                *mThumbnailManager;
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    QHash<QString, HbIcon>          mImageCache;
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    QMap<int, QString>              mTnmReqMap;
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    bool                            mCachingInProgress;
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    QQueue< QPair<QString, int> >   mRequestQueue;
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    int                             mRequestCount;
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};
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#endif // MPCOLLECTIONALBUMARTMANAGER_H
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