Files
cantata/network/networkaccessmanager.h
Craig Drummond 11bb7571c9 Update (c) year
2021-01-01 10:06:43 +00:00

117 lines
3.6 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2021 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef NETWORK_ACCESS_MANAGER_H
#define NETWORK_ACCESS_MANAGER_H
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QMap>
class QTimerEvent;
class NetworkAccessManager;
class NetworkJob : public QObject
{
Q_OBJECT
public:
NetworkJob(QNetworkReply *j);
~NetworkJob() override;
QNetworkReply * actualJob() const { return job; }
void cancelAndDelete();
bool open(QIODevice::OpenMode mode) { return job && job->open(mode); }
void close() { if (job) job->close(); }
QUrl url() const { return job ? job->url() : origU; }
QUrl origUrl() const { return origU; }
void setOrigUrl(const QUrl &u) { origU=u; }
QNetworkReply::NetworkError error() const { return job ? job->error() : QNetworkReply::UnknownNetworkError; }
QString errorString() const { return job ? job->errorString() : QString(); }
QByteArray readAll() { return job ? job->readAll() : QByteArray(); }
bool ok() const { return job && QNetworkReply::NoError==job->error(); }
QVariant attribute(QNetworkRequest::Attribute code) const { return job ? job->attribute(code) : QVariant(); }
qint64 bytesAvailable() const { return job ? job->bytesAvailable() : -1; }
QByteArray read(qint64 maxlen) { return job ? job->read(maxlen) : QByteArray(); }
Q_SIGNALS:
void finished();
void error(QNetworkReply::NetworkError);
void uploadProgress(qint64 bytesSent, qint64 bytesTotal);
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
void downloadPercent(int pc);
void readyRead();
private Q_SLOTS:
void jobFinished();
void jobDestroyed(QObject *o);
void downloadProg(qint64 bytesReceived, qint64 bytesTotal);
void handleReadyRead();
private:
NetworkJob(NetworkAccessManager *p, const QUrl &u);
void connectJob();
void cancelJob();
void abortJob();
private:
int numRedirects;
int lastDownloadPc;
QNetworkReply *job;
QUrl origU;
friend class NetworkAccessManager;
};
class NetworkAccessManager : public QNetworkAccessManager
{
Q_OBJECT
public:
static void enableDebug();
static void disableNetworkAccess();
static NetworkAccessManager * self();
NetworkAccessManager(QObject *parent=nullptr);
~NetworkAccessManager() override { }
NetworkJob * get(const QNetworkRequest &req, int timeout=0);
NetworkJob * get(const QUrl &url, int timeout=0) { return get(QNetworkRequest(url), timeout); }
QNetworkReply * postFormData(QNetworkRequest req, const QByteArray &data);
QNetworkReply * postFormData(const QUrl &url, const QByteArray &data) { return postFormData(QNetworkRequest(url), data); }
protected:
void timerEvent(QTimerEvent *e) override;
private Q_SLOTS:
void replyFinished();
private:
QMap<NetworkJob *, int> timers;
friend class NetworkJob;
};
#endif // NETWORK_ACCESS_MANAGER_H