/*

* 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 Query Manager.

*

*/

#ifndef MPQUERYMANAGER_H_

#define MPQUERYMANAGER_H_

#include <QPointer>

#include <QNetworkReply>

#include <QDomDocument>

#include <QMap>

#include <HbIcon>

#include "mpviewbase.h"

class QNetworkAccessManager;

class ThumbnailManager;

/*!

  MpQueryManager class is responsible for performing music player

  related network queries, including retrieving the URL for the

  music.

  It emits searchUrlRetrieved signal when it has received the

  URL.

*/

class MpQueryManager : public QObject

{

    Q_OBJECT

public:

    MpQueryManager();

    ~MpQueryManager();

public:

    void reset();

    void queryInspireMeItems( QString mArtist,QString mAlbum,QString mTitle );

    void queryLocalMusicStore();

    int recommendationsCount() const;

    QString recommendedSong(int index) const;

    QString recommendedArtist(int index) const;

    HbIcon recommendedAlbumArt(int index) const;

private slots:

    void retrieveInformationFinished( QNetworkReply* reply );

    void retrieveInformationNetworkError( QNetworkReply::NetworkError error );

    void retrieveInformationSslErrors( const QList<QSslError> &error );

private:

    void clearRecommendations();    

    void clearNetworkReplies();    

    void constructRequest( QString &uri );     

    // retrieve URI from Ovi music server

    void retrieveInformation( const QString &urlEncoded );

    QString keyValues( QStringList keys, QStringList values ) const;

    void handleParsedXML();

signals:

    void inspireMeItemAlbumArtReady();

    void localMusicStoreRetrieved(bool storeUpdated);

    void localMusicStoreRetrievalError();

    void inspireMeItemsRetrievalError();

    void inspireMeItemsMetadataRetrieved();

private:    

    QNetworkAccessManager   	*mManager;

    QNetworkAccessManager   	*mAlbumArtDownloader;

    int                     	mDownloadedAlbumArts;

    QList<QNetworkReply *>  	mReplys;

    QList<int>                  mThumbnailRequests;

    QString                 	mArtist;

    QString                 	mAlbum;

    QString                 	mTitle;

    QString                 	mMusicStore;

    QStringList          		mRecommendationSongs;

    QStringList          		mRecommendationArtists;

    QStringList          		mRecommendationAlbumArtsLink;

    QMap<QString, HbIcon>  		mRecommendationAlbumArtsMap;

    int                     	mAlbumArtsReadyCount;

    HbIcon                 		mDefaultRecommendationAlbumArt;

    enum RequestType { NoRequest, InspireMeItemsMetadataRequest, InspireMeItemsAlbumArtRequest, LocalStoreRequest };

    RequestType         		mRequestType;

    int                         mRecommendationCount;

};

#endif /* MPQUERYMANAGER_H_ */