File indexing completed on 2022-08-04 15:34:40

0001 /**
0002  * Copyright (C) 2004 Scott Wheeler <wheeler@kde.org>
0003  *
0004  * This program is free software; you can redistribute it and/or modify it under
0005  * the terms of the GNU General Public License as published by the Free Software
0006  * Foundation; either version 2 of the License, or (at your option) any later
0007  * version.
0008  *
0009  * This program is distributed in the hope that it will be useful, but WITHOUT ANY
0010  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
0011  * PARTICULAR PURPOSE. See the GNU General Public License for more details.
0012  *
0013  * You should have received a copy of the GNU General Public License along with
0014  * this program.  If not, see <http://www.gnu.org/licenses/>.
0015  */
0016 
0017 #ifndef JUK_FILEHANDLE_H
0018 #define JUK_FILEHANDLE_H
0019 
0020 #include <QExplicitlySharedDataPointer>
0021 #include <QVector>
0022 #include <QMetaType>
0023 #include <QStringList>
0024 
0025 class QString;
0026 class QFileInfo;
0027 class QDateTime;
0028 class QDataStream;
0029 
0030 class CoverInfo;
0031 class Tag;
0032 class CacheDataStream;
0033 
0034 /**
0035  * A value based, explicitly shared wrapper around file related information
0036  * used in JuK's playlists.
0037  */
0038 
0039 class FileHandle
0040 {
0041 public:
0042     FileHandle();
0043     FileHandle(const FileHandle &f);
0044     explicit FileHandle(const QFileInfo &info);
0045     explicit FileHandle(const QString &path);
0046     FileHandle(const QString &path, CacheDataStream &s);
0047 
0048     // manually declared so its definition can be delayed until .cpp
0049     ~FileHandle();
0050 
0051     /**
0052      * Forces the FileHandle to reread its information from the disk.
0053      */
0054     void refresh();
0055     void setFile(const QString &path);
0056 
0057     Tag *tag() const;
0058     CoverInfo *coverInfo() const;
0059     QString absFilePath() const;
0060     const QFileInfo &fileInfo() const;
0061 
0062     bool isNull() const;
0063     bool current() const;
0064     const QDateTime &lastModified() const;
0065 
0066     void read(CacheDataStream &s);
0067 
0068     FileHandle &operator=(const FileHandle &f);
0069     bool operator==(const FileHandle &f) const;
0070     bool operator!=(const FileHandle &f) const;
0071 
0072     static QStringList properties();
0073     QString property(const QString &name) const;
0074 
0075 private:
0076     class FileHandlePrivate;
0077     QExplicitlySharedDataPointer<FileHandlePrivate> d;
0078 };
0079 
0080 typedef QVector<FileHandle> FileHandleList;
0081 
0082 Q_DECLARE_METATYPE(FileHandle);
0083 Q_DECLARE_METATYPE(FileHandleList);
0084 
0085 QDataStream &operator<<(QDataStream &s, const FileHandle &f);
0086 CacheDataStream &operator>>(CacheDataStream &s, FileHandle &f);
0087 
0088 #endif
0089 
0090 // vim: set et sw=4 tw=0 sta: