blob: f48dc58355e7cfc84726d0c5d7240f0fd0cbdc01 [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include "base/files/file.h"
#include "base/files/scoped_file.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "components/services/filesystem/public/mojom/directory.mojom.h"
namespace base {
class FilePath;
namespace filesystem {
class LockTable;
class SharedTempDir;
class FileImpl : public mojom::File {
FileImpl(const base::FilePath& path,
uint32_t flags,
scoped_refptr<SharedTempDir> temp_dir,
scoped_refptr<LockTable> lock_table);
FileImpl(const base::FilePath& path,
base::File file,
scoped_refptr<SharedTempDir> temp_dir,
scoped_refptr<LockTable> lock_table);
~FileImpl() override;
// Returns whether the underlying file handle is valid.
bool IsValid() const;
#if !defined(OS_FUCHSIA)
// Attempts to perform the native operating system's locking operations on
// the internal mojom::File handle. Not supported on Fuchsia.
base::File::Error RawLockFile();
base::File::Error RawUnlockFile();
#endif // !OS_FUCHSIA
const base::FilePath& path() const { return path_; }
// |File| implementation:
void Close(CloseCallback callback) override;
void Read(uint32_t num_bytes_to_read,
int64_t offset,
mojom::Whence whence,
ReadCallback callback) override;
void Write(const std::vector<uint8_t>& bytes_to_write,
int64_t offset,
mojom::Whence whence,
WriteCallback callback) override;
void Tell(TellCallback callback) override;
void Seek(int64_t offset,
mojom::Whence whence,
SeekCallback callback) override;
void Stat(StatCallback callback) override;
void Truncate(int64_t size, TruncateCallback callback) override;
void Touch(mojom::TimespecOrNowPtr atime,
mojom::TimespecOrNowPtr mtime,
TouchCallback callback) override;
void Dup(mojo::PendingReceiver<mojom::File> receiver,
DupCallback callback) override;
void Flush(FlushCallback callback) override;
void Lock(LockCallback callback) override;
void Unlock(UnlockCallback callback) override;
void AsHandle(AsHandleCallback callback) override;
base::File file_;
base::FilePath path_;
scoped_refptr<SharedTempDir> temp_dir_;
scoped_refptr<LockTable> lock_table_;
} // namespace filesystem