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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DOWNLOADMANAGER_H
#define DOWNLOADMANAGER_H
#include "ui_downloads.h"
#include "ui_downloaditem.h"
#include <QtNetwork/QNetworkReply>
#include <QtCore/QFile>
#include <QtCore/QTime>
class DownloadItem : public QWidget, public Ui_DownloadItem
{
Q_OBJECT
signals:
void statusChanged();
public:
DownloadItem(QNetworkReply *reply = 0, bool requestFileName = false, QWidget *parent = 0);
bool downloading() const;
bool downloadedSuccessfully() const;
QUrl m_url;
QFile m_output;
QNetworkReply *m_reply;
private slots:
void stop();
void tryAgain();
void open();
void downloadReadyRead();
void error(QNetworkReply::NetworkError code);
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
void metaDataChanged();
void finished();
private:
void getFileName();
void init();
void updateInfoLabel();
QString dataString(int size) const;
QString saveFileName(const QString &directory) const;
bool m_requestFileName;
qint64 m_bytesReceived;
QTime m_downloadTime;
};
class AutoSaver;
class DownloadModel;
QT_BEGIN_NAMESPACE
class QFileIconProvider;
QT_END_NAMESPACE
class DownloadManager : public QDialog, public Ui_DownloadDialog
{
Q_OBJECT
Q_PROPERTY(RemovePolicy removePolicy READ removePolicy WRITE setRemovePolicy)
Q_ENUMS(RemovePolicy)
public:
enum RemovePolicy {
Never,
Exit,
SuccessFullDownload
};
DownloadManager(QWidget *parent = 0);
~DownloadManager();
int activeDownloads() const;
RemovePolicy removePolicy() const;
void setRemovePolicy(RemovePolicy policy);
public slots:
void download(const QNetworkRequest &request, bool requestFileName = false);
inline void download(const QUrl &url, bool requestFileName = false)
{ download(QNetworkRequest(url), requestFileName); }
void handleUnsupportedContent(QNetworkReply *reply, bool requestFileName = false);
void cleanup();
private slots:
void save() const;
void updateRow();
private:
void addItem(DownloadItem *item);
void updateItemCount();
void load();
AutoSaver *m_autoSaver;
DownloadModel *m_model;
QNetworkAccessManager *m_manager;
QFileIconProvider *m_iconProvider;
QList<DownloadItem*> m_downloads;
RemovePolicy m_removePolicy;
friend class DownloadModel;
};
class DownloadModel : public QAbstractListModel
{
friend class DownloadManager;
Q_OBJECT
public:
DownloadModel(DownloadManager *downloadManager, QObject *parent = 0);
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
int rowCount(const QModelIndex &parent = QModelIndex()) const;
bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
private:
DownloadManager *m_downloadManager;
};
#endif // DOWNLOADMANAGER_H
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