File indexing completed on 2023-05-30 11:30:46

 /**
  * Copyright (C) 2004 Scott Wheeler <wheeler@kde.org>
  * Copyright (C) 2017 Michael Pyne  <mpyne@kde.org>
  *
  * 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.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "filehandle.h"
 
 #include <QFileInfo>
 #include <QSharedData>
 #include <QScopedPointer>
 
 #include "filehandleproperties.h"
 #include "juktag.h"
 #include "cache.h"
 #include "coverinfo.h"
 #include "juk_debug.h"
 
 AddProperty(Title, tag()->title())
 AddProperty(Artist, tag()->artist())
 AddProperty(Album, tag()->album())
 AddProperty(Genre, tag()->genre())
 AddNumberProperty(Track, tag()->track())
 AddNumberProperty(Year, tag()->year())
 AddProperty(Comment, tag()->comment())
 AddNumberProperty(Seconds, tag()->seconds())
 AddNumberProperty(Bitrate, tag()->bitrate())
 AddProperty(Path, absFilePath())
 AddNumberProperty(Size, fileInfo().size())
 AddProperty(Extension, fileInfo().suffix())
 
 class FileHandle::FileHandlePrivate : public QSharedData
 {
 public:
     FileHandlePrivate(QFileInfo fInfo)
         : tag(nullptr)
         , coverInfo(nullptr)
         , fileInfo(fInfo)
         , absFilePath(fInfo.canonicalFilePath())
     {
         baseModificationTime = fileInfo.lastModified();
     }
 
     mutable QScopedPointer<Tag> tag;
     mutable QScopedPointer<CoverInfo> coverInfo;
     QFileInfo fileInfo;
     QString absFilePath;
     QDateTime baseModificationTime;
     mutable QDateTime lastModified;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 // public methods
 ////////////////////////////////////////////////////////////////////////////////
 
 FileHandle::FileHandle(const FileHandle &f) :
     d(f.d)
 {
 }
 
 FileHandle::FileHandle(const QFileInfo &info) :
     d(new FileHandlePrivate(info))
 {
 }
 
 FileHandle::FileHandle()
     : FileHandle(QFileInfo()) // delegating ctor
 {
 }
 
 FileHandle::FileHandle(const QString &path)
     : FileHandle(QFileInfo(path)) // delegating ctor
 {
 }
 
 FileHandle::FileHandle(const QString &path, CacheDataStream &s)
     : FileHandle(QFileInfo(path)) // delegating ctor
 {
     if(d->fileInfo.exists())
         read(s);
 }
 
 FileHandle::~FileHandle() = default;
 
 void FileHandle::refresh()
 {
     d->fileInfo.refresh();
     d->tag.reset(new Tag(d->absFilePath));
 }
 
 void FileHandle::setFile(const QString &path)
 {
     if(path.isEmpty()) {
         qCCritical(JUK_LOG) << "trying to set an empty path";
         return;
     }
 
     if(!QFile::exists(path)) {
         qCCritical(JUK_LOG) << "trying to set non-existent file: " << path;
         return;
     }
 
     d = new FileHandlePrivate(QFileInfo(path));
 }
 
 Tag *FileHandle::tag() const
 {
     if(Q_UNLIKELY(!d->tag)) {
         d->tag.reset(new Tag(d->absFilePath));
     }
 
     return d->tag.data();
 }
 
 CoverInfo *FileHandle::coverInfo() const
 {
     if(Q_UNLIKELY(!d->coverInfo))
         d->coverInfo.reset(new CoverInfo(*this));
 
     return d->coverInfo.data();
 }
 
 QString FileHandle::absFilePath() const
 {
     return d->absFilePath;
 }
 
 const QFileInfo &FileHandle::fileInfo() const
 {
     return d->fileInfo;
 }
 
 bool FileHandle::isNull() const
 {
     return d->absFilePath.isEmpty();
 }
 
 bool FileHandle::current() const
 {
     return (d->baseModificationTime.isValid() &&
             lastModified().isValid() &&
             d->baseModificationTime >= lastModified());
 }
 
 const QDateTime &FileHandle::lastModified() const
 {
     if(d->lastModified.isNull())
         d->lastModified = d->fileInfo.lastModified();
 
     return d->lastModified;
 }
 
 void FileHandle::read(CacheDataStream &s)
 {
     switch(s.cacheVersion()) {
     case 1:
     default:
         if(d->tag) {
             qCWarning(JUK_LOG) << "We already read in tag for d->absFilePath!";
         }
 
         if(!d->tag)
             d->tag.reset(new Tag(d->absFilePath, true));
 
         s >> *(d->tag);
         s >> d->baseModificationTime;
         break;
     }
 }
 
 FileHandle &FileHandle::operator=(const FileHandle &f)
 {
     if(&f != this)
         d = f.d;
 
     return *this;
 }
 
 bool FileHandle::operator==(const FileHandle &f) const
 {
     return d == f.d;
 }
 
 bool FileHandle::operator!=(const FileHandle &f) const
 {
     return d != f.d;
 }
 
 QStringList FileHandle::properties() // static
 {
     return FileHandleProperties::properties();
 }
 
 QString FileHandle::property(const QString &name) const
 {
     return FileHandleProperties::property(*this, name.toUtf8());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // related functions
 ////////////////////////////////////////////////////////////////////////////////
 
 QDataStream &operator<<(QDataStream &s, const FileHandle &f)
 {
     s << *(f.tag())
       << f.lastModified();
 
     return s;
 }
 
 CacheDataStream &operator>>(CacheDataStream &s, FileHandle &f)
 {
     f.read(s);
     return s;
 }
 
 // vim: set et sw=4 tw=0 sta: