/****************************************************************************+
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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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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the demonstration applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef DOWNLOADMANAGER_H+
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#define DOWNLOADMANAGER_H+
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+
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#include "ui_downloads.h"+
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#include "ui_downloaditem.h"+
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+
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#include <QtNetwork/QNetworkReply>+
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+
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#include <QtCore/QFile>+
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#include <QtCore/QTime>+
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+
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class DownloadItem : public QWidget, public Ui_DownloadItem+
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{+
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    Q_OBJECT+
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+
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signals:+
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    void statusChanged();+
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+
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public:+
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    DownloadItem(QNetworkReply *reply = 0, bool requestFileName = false, QWidget *parent = 0);+
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    bool downloading() const;+
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    bool downloadedSuccessfully() const;+
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+
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    QUrl m_url;+
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+
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    QFile m_output;+
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    QNetworkReply *m_reply;+
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+
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private slots:+
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    void stop();+
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    void tryAgain();+
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    void open();+
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+
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    void downloadReadyRead();+
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    void error(QNetworkReply::NetworkError code);+
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    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);+
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    void metaDataChanged();+
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    void finished();+
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+
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private:+
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    void getFileName();+
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    void init();+
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    void updateInfoLabel();+
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    QString dataString(int size) const;+
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+
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    QString saveFileName(const QString &directory) const;+
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+
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    bool m_requestFileName;+
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    qint64 m_bytesReceived;+
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    QTime m_downloadTime;+
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};+
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+
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class AutoSaver;+
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class DownloadModel;+
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QT_BEGIN_NAMESPACE+
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class QFileIconProvider;+
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QT_END_NAMESPACE+
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+
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class DownloadManager : public QDialog, public Ui_DownloadDialog+
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{+
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    Q_OBJECT+
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    Q_PROPERTY(RemovePolicy removePolicy READ removePolicy WRITE setRemovePolicy)+
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    Q_ENUMS(RemovePolicy)+
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+
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public:+
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    enum RemovePolicy {+
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        Never,+
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        Exit,+
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        SuccessFullDownload+
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    };+
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+
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    DownloadManager(QWidget *parent = 0);+
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    ~DownloadManager();+
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    int activeDownloads() const;+
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+
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    RemovePolicy removePolicy() const;+
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    void setRemovePolicy(RemovePolicy policy);+
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+
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public slots:+
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    void download(const QNetworkRequest &request, bool requestFileName = false);+
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    inline void download(const QUrl &url, bool requestFileName = false)+
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        { download(QNetworkRequest(url), requestFileName); }+
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    void handleUnsupportedContent(QNetworkReply *reply, bool requestFileName = false);+
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    void cleanup();+
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+
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private slots:+
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    void save() const;+
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    void updateRow();+
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+
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private:+
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    void addItem(DownloadItem *item);+
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    void updateItemCount();+
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    void load();+
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+
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    AutoSaver *m_autoSaver;+
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    DownloadModel *m_model;+
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    QNetworkAccessManager *m_manager;+
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    QFileIconProvider *m_iconProvider;+
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    QList<DownloadItem*> m_downloads;+
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    RemovePolicy m_removePolicy;+
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    friend class DownloadModel;+
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};+
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+
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class DownloadModel : public QAbstractListModel+
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{+
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    friend class DownloadManager;+
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    Q_OBJECT+
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+
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public:+
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    DownloadModel(DownloadManager *downloadManager, QObject *parent = 0);+
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    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;+
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    int rowCount(const QModelIndex &parent = QModelIndex()) const;+
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    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());+
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+
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private:+
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    DownloadManager *m_downloadManager;+
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+
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};+
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+
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#endif // DOWNLOADMANAGER_H+
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+
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