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/****************************************************************************
** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KD Tools library.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU Lesser General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.LGPL included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/
#ifndef KD_UPDATER_FILE_DOWNLOADER_H
#define KD_UPDATER_FILE_DOWNLOADER_H
#include "kdupdater.h"
#include "kdtoolsglobal.h"
#include <QtCore/QObject>
#include <QtCore/QUrl>
#include <QtCore/QCryptographicHash>
#include <QtNetwork/QAuthenticator>
namespace KDUpdater {
KDTOOLS_EXPORT QByteArray calculateHash(QIODevice *device, QCryptographicHash::Algorithm algo);
KDTOOLS_EXPORT QByteArray calculateHash(const QString &path, QCryptographicHash::Algorithm algo);
class HashVerificationJob;
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;
void setSha1Sum(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);
public Q_SLOTS:
virtual void cancelDownload();
void sha1SumVerified(KDUpdater::HashVerificationJob *job);
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);
#ifndef Q_MOC_RUN
private:
#endif
void downloadCompleted();
void downloadAborted(const QString &errorMessage);
protected:
void setDownloadCanceled();
void setDownloadCompleted(const QString &filepath);
void setDownloadAborted(const QString &error);
void runDownloadSpeedTimer();
void stopDownloadSpeedTimer();
void addSample(qint64 sample);
int downloadSpeedTimerId() const;
void setProgress(qint64 bytesReceived, qint64 bytesToReceive);
void emitDownloadSpeed();
void emitDownloadStatus();
void emitDownloadProgress();
void emitEstimatedDownloadTime();
private Q_SLOTS:
virtual void doDownload() = 0;
private:
struct Private;
Private *d;
};
} // namespace KDUpdater
#endif // KD_UPDATER_FILE_DOWNLOADER_H
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