qt6-bb10/src/plugins/platforms/android/androidcontentfileengine.h

113 lines
3.6 KiB
C++

// Copyright (C) 2019 Volker Krause <vkrause@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef ANDROIDCONTENTFILEENGINE_H
#define ANDROIDCONTENTFILEENGINE_H
#include <private/qfsfileengine_p.h>
#include <QtCore/qjniobject.h>
#include <QtCore/qlist.h>
QT_BEGIN_NAMESPACE
using DocumentFilePtr = std::shared_ptr<class DocumentFile>;
class AndroidContentFileEngine : public QFSFileEngine
{
public:
AndroidContentFileEngine(const QString &fileName);
bool open(QIODevice::OpenMode openMode, std::optional<QFile::Permissions> permissions) override;
bool close() override;
qint64 size() const override;
bool remove() override;
bool rename(const QString &newName) override;
bool mkdir(const QString &dirName, bool createParentDirectories,
std::optional<QFile::Permissions> permissions = std::nullopt) const override;
bool rmdir(const QString &dirName, bool recurseParentDirectories) const override;
QByteArray id() const override;
bool caseSensitive() const override { return true; }
QDateTime fileTime(QFile::FileTime time) const override;
FileFlags fileFlags(FileFlags type = FileInfoAll) const override;
QString fileName(FileName file = DefaultName) const override;
IteratorUniquePtr beginEntryList(const QString &path, QDirListing::IteratorFlags filters,
const QStringList &filterNames) override;
private:
void closeNativeFileDescriptor();
QString m_initialFile;
QJniObject m_pfd;
DocumentFilePtr m_documentFile;
};
class AndroidContentFileEngineHandler : public QAbstractFileEngineHandler
{
Q_DISABLE_COPY_MOVE(AndroidContentFileEngineHandler)
public:
AndroidContentFileEngineHandler();
~AndroidContentFileEngineHandler();
std::unique_ptr<QAbstractFileEngine> create(const QString &fileName) const override;
};
class AndroidContentFileEngineIterator : public QAbstractFileEngineIterator
{
public:
AndroidContentFileEngineIterator(const QString &path, QDirListing::IteratorFlags filters,
const QStringList &filterNames);
~AndroidContentFileEngineIterator();
bool advance() override;
QString currentFileName() const override;
QString currentFilePath() const override;
private:
mutable QList<DocumentFilePtr> m_files;
mutable qsizetype m_index = -1;
};
/*!
*
* DocumentFile Api.
* Check https://developer.android.com/reference/androidx/documentfile/provider/DocumentFile
* for more information.
*
*/
class DocumentFile : public std::enable_shared_from_this<DocumentFile>
{
public:
static DocumentFilePtr parseFromAnyUri(const QString &filename);
static DocumentFilePtr fromSingleUri(const QJniObject &uri);
static DocumentFilePtr fromTreeUri(const QJniObject &treeUri);
DocumentFilePtr createFile(const QString &mimeType, const QString &displayName);
DocumentFilePtr createDirectory(const QString &displayName);
const QJniObject &uri() const;
const DocumentFilePtr &parent() const;
QString name() const;
QString id() const;
QString mimeType() const;
bool isDirectory() const;
bool isFile() const;
bool isVirtual() const;
QDateTime lastModified() const;
int64_t length() const;
bool canRead() const;
bool canWrite() const;
bool remove();
bool exists() const;
std::vector<DocumentFilePtr> listFiles();
bool rename(const QString &newName);
protected:
DocumentFile(const QJniObject &uri, const std::shared_ptr<DocumentFile> &parent);
protected:
QJniObject m_uri;
DocumentFilePtr m_parent;
};
QT_END_NAMESPACE
#endif // ANDROIDCONTENTFILEENGINE_H