1671e05d12
This adds previews for downloaded pdfs and code files.  
129 lines
3.3 KiB
C++
129 lines
3.3 KiB
C++
// SPDX-FileCopyrightText: 2021 Noah Davis <noahadvs@gmail.com>
|
|
// SPDX-License-Identifier: LicenseRef-KDE-Accepted-LGPL
|
|
|
|
#include "filetype.h"
|
|
#include <QImageReader>
|
|
#include <QMovie>
|
|
|
|
static QStringList byteArrayListToStringList(const QByteArrayList &byteArrayList)
|
|
{
|
|
QStringList stringList;
|
|
for (const QByteArray &byteArray : byteArrayList) {
|
|
stringList.append(QString::fromLocal8Bit(byteArray));
|
|
}
|
|
return stringList;
|
|
}
|
|
|
|
class FileTypePrivate
|
|
{
|
|
Q_DECLARE_PUBLIC(FileType)
|
|
Q_DISABLE_COPY(FileTypePrivate)
|
|
public:
|
|
FileTypePrivate(FileType *qq);
|
|
FileType *const q_ptr;
|
|
QMimeDatabase mimetypeDatabase;
|
|
QStringList supportedImageFormats = byteArrayListToStringList(QImageReader::supportedImageFormats());
|
|
QStringList supportedAnimatedImageFormats = byteArrayListToStringList(QMovie::supportedFormats());
|
|
};
|
|
|
|
FileTypePrivate::FileTypePrivate(FileType *qq)
|
|
: q_ptr(qq)
|
|
{
|
|
}
|
|
|
|
FileType::FileType(QObject *parent)
|
|
: QObject(parent)
|
|
, d_ptr(new FileTypePrivate(this))
|
|
{
|
|
}
|
|
|
|
FileType::~FileType() noexcept
|
|
{
|
|
}
|
|
|
|
FileType &FileType::instance()
|
|
{
|
|
static FileType _instance;
|
|
return _instance;
|
|
}
|
|
|
|
QMimeType FileType::mimeTypeForName(const QString &nameOrAlias) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypeForName(nameOrAlias);
|
|
}
|
|
|
|
QMimeType FileType::mimeTypeForFile(const QString &fileName, MatchMode mode) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypeForFile(fileName, static_cast<QMimeDatabase::MatchMode>(mode));
|
|
}
|
|
|
|
QMimeType FileType::mimeTypeForFile(const QFileInfo &fileInfo, MatchMode mode) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypeForFile(fileInfo, static_cast<QMimeDatabase::MatchMode>(mode));
|
|
}
|
|
|
|
QList<QMimeType> FileType::mimeTypesForFileName(const QString &fileName) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypesForFileName(fileName);
|
|
}
|
|
|
|
QMimeType FileType::mimeTypeForData(const QByteArray &data) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypeForData(data);
|
|
}
|
|
|
|
QMimeType FileType::mimeTypeForData(QIODevice *device) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypeForData(device);
|
|
}
|
|
|
|
QMimeType FileType::mimeTypeForUrl(const QUrl &url) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypeForUrl(url);
|
|
}
|
|
|
|
QMimeType FileType::mimeTypeForFileNameAndData(const QString &fileName, QIODevice *device) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypeForFileNameAndData(fileName, device);
|
|
}
|
|
|
|
QMimeType FileType::mimeTypeForFileNameAndData(const QString &fileName, const QByteArray &data) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.mimeTypeForFileNameAndData(fileName, data);
|
|
}
|
|
|
|
QString FileType::suffixForFileName(const QString &fileName) const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->mimetypeDatabase.suffixForFileName(fileName);
|
|
}
|
|
|
|
QStringList FileType::supportedImageFormats() const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->supportedImageFormats;
|
|
}
|
|
|
|
QStringList FileType::supportedAnimatedImageFormats() const
|
|
{
|
|
Q_D(const FileType);
|
|
return d->supportedAnimatedImageFormats;
|
|
}
|
|
|
|
bool FileType::fileHasImage(const QUrl &file) const
|
|
{
|
|
const auto mimeType = mimeTypeForFile(file.toString());
|
|
return mimeType.isValid() && supportedImageFormats().contains(mimeType.preferredSuffix());
|
|
}
|
|
|
|
#include "moc_filetype.cpp"
|