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/****************************************************************************
**
** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB)
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef FILEDOWNLOADER_H
#define FILEDOWNLOADER_H
#include "kdtoolsglobal.h"
#include <QtCore/QObject>
#include <QtCore/QUrl>
#include <QtNetwork/QAuthenticator>
namespace KDUpdater {
class FileDownloaderProxyFactory;
class KDTOOLS_EXPORT FileDownloader : public QObject
{
Q_OBJECT
Q_PROPERTY(bool autoRemoveDownloadedFile READ isAutoRemoveDownloadedFile WRITE setAutoRemoveDownloadedFile)
Q_PROPERTY(QUrl url READ url WRITE setUrl)
Q_PROPERTY(QString scheme READ scheme WRITE setScheme)
public:
explicit FileDownloader(const QString &scheme, QObject *parent = 0);
~FileDownloader();
QUrl url() const;
void setUrl(const QUrl &url);
QByteArray sha1Sum() const;
QByteArray assumedSha1Sum() const;
void setAssumedSha1Sum(const QByteArray &sha1);
QString scheme() const;
void setScheme(const QString &scheme);
QString errorString() const;
virtual bool canDownload() const = 0;
virtual bool isDownloaded() const = 0;
virtual QString downloadedFileName() const = 0;
virtual void setDownloadedFileName(const QString &name) = 0;
virtual FileDownloader *clone(QObject *parent=0) const = 0;
void download();
void setAutoRemoveDownloadedFile(bool val);
bool isAutoRemoveDownloadedFile() const;
void setFollowRedirects(bool val);
bool followRedirects() const;
FileDownloaderProxyFactory *proxyFactory() const;
void setProxyFactory(FileDownloaderProxyFactory *factory);
QAuthenticator authenticator() const;
void setAuthenticator(const QAuthenticator &authenticator);
bool ignoreSslErrors();
void setIgnoreSslErrors(bool ignore);
public Q_SLOTS:
virtual void cancelDownload();
protected:
virtual void onError() = 0;
virtual void onSuccess() = 0;
Q_SIGNALS:
void downloadStarted();
void downloadCanceled();
void downloadProgress(double progress);
void estimatedDownloadTime(int seconds);
void downloadSpeed(qint64 bytesPerSecond);
void downloadStatus(const QString &status);
void downloadProgress(qint64 bytesReceived, qint64 bytesToReceive);
void authenticatorChanged(const QAuthenticator &authenticator);
void downloadCompleted();
void downloadAborted(const QString &errorMessage);
protected:
void setDownloadCanceled();
void setDownloadCompleted();
void setDownloadAborted(const QString &error);
void runDownloadSpeedTimer();
void stopDownloadSpeedTimer();
void runDownloadDeadlineTimer();
void stopDownloadDeadlineTimer();
void setDownloadPaused(bool paused);
bool isDownloadPaused();
void setDownloadResumed(bool resumed);
bool isDownloadResumed();
qint64 bytesDownloadedBeforeResume();
qint64 totalBytesDownloadedBeforeResume();
void clearBytesDownloadedBeforeResume();
void updateBytesDownloadedBeforeResume(qint64 bytes);
void updateTotalBytesDownloadedBeforeResume();
void addSample(qint64 sample);
int downloadSpeedTimerId() const;
int downloadDeadlineTimerId() const;
void setProgress(qint64 bytesReceived, qint64 bytesToReceive);
void emitDownloadSpeed();
void emitDownloadStatus();
void emitDownloadProgress();
void emitEstimatedDownloadTime();
void addCheckSumData(const QByteArray &data);
void addCheckSumData(const char *data, int length);
void resetCheckSumData();
private Q_SLOTS:
virtual void doDownload() = 0;
private:
struct Private;
Private *d;
};
} // namespace KDUpdater
#endif // FILEDOWNLOADER_H
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