Mercurial > hg > svcore
view data/fileio/RemoteFile.h @ 311:1c9143b2b658
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author | Chris Cannam |
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date | Wed, 10 Oct 2007 15:32:16 +0000 |
parents | 4fc6f49436b3 |
children | 96ef9746c560 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2007 QMUL. 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. See the file COPYING included with this distribution for more information. */ #ifndef _REMOTE_FILE_H_ #define _REMOTE_FILE_H_ #include <QUrl> #include <QMutex> #include <QString> #include <QTimer> #include <map> class QFtp; class QHttp; class QFile; class QProgressDialog; class QHttpResponseHeader; class RemoteFile : public QObject { Q_OBJECT public: RemoteFile(QUrl url); virtual ~RemoteFile(); bool isAvailable(); void wait(); bool isOK() const; bool isDone() const; QString getLocalFilename() const; QString getErrorString() const; void deleteLocalFile(); static bool isRemote(QString fileOrUrl); static bool canHandleScheme(QUrl url); signals: void progress(int percent); void ready(); protected slots: void dataReadProgress(int done, int total); void httpResponseHeaderReceived(const QHttpResponseHeader &resp); void ftpCommandFinished(int, bool); void dataTransferProgress(qint64 done, qint64 total); void done(bool error); void showProgressDialog(); void cancelled(); protected: QUrl m_url; QFtp *m_ftp; QHttp *m_http; QFile *m_localFile; QString m_localFilename; QString m_errorString; bool m_ok; int m_lastStatus; bool m_done; QProgressDialog *m_progressDialog; QTimer m_progressShowTimer; typedef std::map<QUrl, int> RemoteRefCountMap; typedef std::map<QUrl, QString> RemoteLocalMap; static RemoteRefCountMap m_refCountMap; static RemoteLocalMap m_remoteLocalMap; static QMutex m_mapMutex; bool m_referenced; void cleanup(); QString createLocalFile(QUrl url); static QMutex m_fileCreationMutex; static int m_count; }; #endif