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/**
* 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:
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