rssguard/src/network-web/downloader.h

90 lines
3.0 KiB
C++
Executable File

// This file is part of RSS Guard.
//
// Copyright (C) 2011-2015 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// RSS Guard is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
#ifndef DOWNLOADER_H
#define DOWNLOADER_H
#include <QObject>
#include "definitions/definitions.h"
#include <QNetworkReply>
#include <QSslError>
class SilentNetworkAccessManager;
class QTimer;
class Downloader : public QObject {
Q_OBJECT
public:
// Constructors and destructors.
explicit Downloader(QObject *parent = 0);
virtual ~Downloader();
// Access to last received full output data/error/content-type.
QByteArray lastOutputData() const;
QNetworkReply::NetworkError lastOutputError() const;
QVariant lastContentType() const;
public slots:
void appendRawHeader(const QByteArray &name, const QByteArray &value);
// Performs asynchronous download of given file. Redirections are handled.
void downloadFile(const QString &url, int timeout = DOWNLOAD_TIMEOUT, bool protected_contents = false,
const QString &username = QString(), const QString &password = QString());
// Performs asynchronous upload of given data as HTTP POST.
// User needs to setup "Content-Encoding" header which
// matches encoding of the data.
void uploadData(const QString &url, const QByteArray &data, int timeout = DOWNLOAD_TIMEOUT);
signals:
// Emitted when new progress is known.
void progress(qint64 bytes_received, qint64 bytes_total);
void completed(QNetworkReply::NetworkError status, QByteArray contents = QByteArray());
private slots:
// Called when current reply is processed.
void finished();
// Called when progress of downloaded file changes.
void progressInternal(qint64 bytes_received, qint64 bytes_total);
// Called when current operation times out.
void timeout();
private:
void runPostRequest(const QNetworkRequest &request, const QByteArray &data);
void runGetRequest(const QNetworkRequest &request);
private:
QNetworkReply *m_activeReply;
SilentNetworkAccessManager *m_downloadManager;
QTimer *m_timer;
QHash<QByteArray, QByteArray> m_customHeaders;
QByteArray m_inputData;
// Response data.
QByteArray m_lastOutputData;
QNetworkReply::NetworkError m_lastOutputError;
QVariant m_lastContentType;
};
#endif // DOWNLOADER_H