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110 lines
2.6 KiB
C++
110 lines
2.6 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (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
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef DOWNLOADER_H
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#define DOWNLOADER_H
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/**
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* Files downloader, please note that only one file can be downloaded at once.
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*
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* \author Cedric 'Kervala' OCHS
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* \date 2016
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*/
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class CDownloader : public QObject
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{
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Q_OBJECT
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public:
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CDownloader(QObject *parent);
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virtual ~CDownloader();
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bool getHtmlPageContent(const QString &url);
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bool prepareFile(const QString &url, const QString &fullPath);
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bool getFile();
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bool stop();
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bool supportsResume() const { return m_supportsAcceptRanges && m_supportsContentRange; }
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bool isDownloading() const { return m_file != NULL; }
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signals:
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// emitted when requesting real URL
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void downloadPrepare();
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// emitted when we got the initial (local) and total (remote) size of file
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void downloadInit(qint64 current, qint64 total);
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// emitted when we begin to download
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void downloadStart();
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// emitted when the download stopped
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void downloadStop();
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// emittd when downloading
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void downloadProgress(qint64 current);
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// emitted when the whole file is downloaded
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void downloadSuccess(qint64 total);
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// emitted when an error occurs
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void downloadFail(const QString &error);
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void htmlPageContent(const QString &html);
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private slots:
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void onTimeout();
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void onHtmlPageFinished();
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void onHeadFinished();
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void onDownloadFinished();
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void onError(QNetworkReply::NetworkError error);
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void onDownloadProgress(qint64 current, qint64 total);
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void onDownloadRead();
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protected:
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void startTimer();
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void stopTimer();
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bool openFile();
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void closeFile();
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void getFileHead();
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void downloadFile();
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bool checkDownloadedFile();
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QNetworkAccessManager *m_manager;
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QNetworkReply *m_reply;
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QTimer *m_timer;
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QString m_url;
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QString m_referer;
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QString m_fullPath;
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qint64 m_offset;
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qint64 m_size;
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QDateTime m_lastModified;
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bool m_supportsAcceptRanges;
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bool m_supportsContentRange;
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bool m_downloadAfterHead;
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bool m_aborted;
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QFile *m_file;
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};
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#endif
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