mpviewplugins/mpdetailsviewplugin/inc/mpquerymanager.h
author hgs
Fri, 06 Aug 2010 16:51:36 -0500
changeset 47 4cc1412daed0
parent 36 a0afa279b8fe
child 51 560ce2306a17
permissions -rw-r--r--
201031
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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 Query Manager.
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*
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*/
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#ifndef MPQUERYMANAGER_H_
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#define MPQUERYMANAGER_H_
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#include <QPointer>
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#include <QNetworkReply>
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#include <QDomDocument>
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#include <QMap>
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#include <HbIcon>
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#include "mpviewbase.h"
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class QNetworkAccessManager;
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class ThumbnailManager;
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/*!
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  MpQueryManager class is responsible for performing music player
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  related network queries, including retrieving the URL for the
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  music.
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  It emits searchUrlRetrieved signal when it has received the
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  URL.
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*/
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class MpQueryManager : public QObject
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{
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    Q_OBJECT
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public:
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    MpQueryManager();
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    ~MpQueryManager();
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public:
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    void reset();
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    void queryLocalMusicStore( QString mArtist,QString mAlbum,QString mTitle );
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    void queryInspireMeItems( QString mArtist,QString mAlbum,QString mTitle );
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    void queryLocalMusicStore();
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    bool isLocalMusicStore() const;
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    int recommendationsCount() const;
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    QString recommendedSong(int index) const;
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    QString recommendedArtist(int index) const;
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    HbIcon recommendedAlbumArt(int index) const;
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private slots:
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    void retrieveInformationFinished( QNetworkReply* reply );
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    void retrieveInformationNetworkError( QNetworkReply::NetworkError error );
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    void retrieveInformationSslErrors( const QList<QSslError> &error );
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    void albumArtDownloaded( QNetworkReply* reply );    
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    void setAlbumArtUri( const QString &albumArtUri, const QString &albumArtName );
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    void thumbnailReady( const QPixmap pixmap, void *data, int id, int error );
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private:
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    void clearThumbnails();
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    void clearRecommendations();    
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    void clearNetworkReplies();    
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    void signalError();    
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    void constructRequest( QString &uri );     
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    // retrieve URI from Ovi music server
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    void retrieveInformation( const QString &urlEncoded );
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    QString keyValues( QStringList keys, QStringList values ) const;
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    void handleParsedXML();
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    bool writeImageToFile( const QByteArray &aImageData, const QString &aImageFileName );
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signals:
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    void inspireMeItemAlbumArtReady();
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    void localMusicStoreRetrieved(bool storeUpdated);
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    void localMusicStoreRetrievalError();
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    void inspireMeItemsRetrievalError();
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    void inspireMeItemsMetadataRetrieved();
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private:    
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    QNetworkAccessManager   	*mManager;
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    QNetworkAccessManager   	*mAlbumArtDownloader;
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    int                     	mDownloadedAlbumArts;
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    QList<QNetworkReply *>  	mReplys;
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    QList<int>                  mThumbnailRequests;
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    QDomDocument            	mDomDocument;
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    ThumbnailManager        	*mThumbnailManager; //owned    
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    QString                 	mArtist;
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    QString                 	mAlbum;
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    QString                 	mTitle;
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    QString                 	mMusicStore;
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    QStringList          		mRecommendationAlbumArtsName;
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    QStringList          		mRecommendationSongs;
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    QStringList          		mRecommendationArtists;
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    QStringList          		mRecommendationAlbumArtsLink;
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    QMap<QString, HbIcon>  		mRecommendationAlbumArtsMap;
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    int                     	mAlbumArtsReadyCount;
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    HbIcon                 		mDefaultRecommendationAlbumArt;
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    enum RequestType { NoRequest, InspireMeItemsMetadataRequest, InspireMeItemsAlbumArtRequest, LocalStoreRequest };
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    RequestType         		mRequestType;
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    int                         mRecommendationCount;
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};
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#endif /* MPQUERYMANAGER_H_ */
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