117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2021 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef NETWORK_ACCESS_MANAGER_H
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#define NETWORK_ACCESS_MANAGER_H
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#include <QNetworkAccessManager>
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#include <QNetworkReply>
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#include <QMap>
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class QTimerEvent;
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class NetworkAccessManager;
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class NetworkJob : public QObject
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{
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Q_OBJECT
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public:
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NetworkJob(QNetworkReply *j);
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~NetworkJob() override;
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QNetworkReply * actualJob() const { return job; }
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void cancelAndDelete();
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bool open(QIODevice::OpenMode mode) { return job && job->open(mode); }
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void close() { if (job) job->close(); }
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QUrl url() const { return job ? job->url() : origU; }
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QUrl origUrl() const { return origU; }
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void setOrigUrl(const QUrl &u) { origU=u; }
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QNetworkReply::NetworkError error() const { return job ? job->error() : QNetworkReply::UnknownNetworkError; }
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QString errorString() const { return job ? job->errorString() : QString(); }
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QByteArray readAll() { return job ? job->readAll() : QByteArray(); }
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bool ok() const { return job && QNetworkReply::NoError==job->error(); }
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QVariant attribute(QNetworkRequest::Attribute code) const { return job ? job->attribute(code) : QVariant(); }
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qint64 bytesAvailable() const { return job ? job->bytesAvailable() : -1; }
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QByteArray read(qint64 maxlen) { return job ? job->read(maxlen) : QByteArray(); }
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Q_SIGNALS:
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void finished();
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void error(QNetworkReply::NetworkError);
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void uploadProgress(qint64 bytesSent, qint64 bytesTotal);
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void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
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void downloadPercent(int pc);
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void readyRead();
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private Q_SLOTS:
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void jobFinished();
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void jobDestroyed(QObject *o);
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void downloadProg(qint64 bytesReceived, qint64 bytesTotal);
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void handleReadyRead();
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private:
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NetworkJob(NetworkAccessManager *p, const QUrl &u);
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void connectJob();
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void cancelJob();
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void abortJob();
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private:
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int numRedirects;
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int lastDownloadPc;
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QNetworkReply *job;
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QUrl origU;
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friend class NetworkAccessManager;
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};
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class NetworkAccessManager : public QNetworkAccessManager
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{
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Q_OBJECT
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public:
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static void enableDebug();
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static void disableNetworkAccess();
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static NetworkAccessManager * self();
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NetworkAccessManager(QObject *parent=nullptr);
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~NetworkAccessManager() override { }
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NetworkJob * get(const QNetworkRequest &req, int timeout=0);
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NetworkJob * get(const QUrl &url, int timeout=0) { return get(QNetworkRequest(url), timeout); }
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QNetworkReply * postFormData(QNetworkRequest req, const QByteArray &data);
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QNetworkReply * postFormData(const QUrl &url, const QByteArray &data) { return postFormData(QNetworkRequest(url), data); }
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protected:
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void timerEvent(QTimerEvent *e) override;
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private Q_SLOTS:
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void replyFinished();
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private:
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QMap<NetworkJob *, int> timers;
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friend class NetworkJob;
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};
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#endif // NETWORK_ACCESS_MANAGER_H
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