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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