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// 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.
#ifndef COMPONENTS_FILESYSTEM_FILE_IMPL_H_
#define COMPONENTS_FILESYSTEM_FILE_IMPL_H_
#include <stdint.h>
#include "base/files/file.h"
#include "base/files/scoped_file.h"
#include "base/macros.h"
#include "components/filesystem/public/interfaces/directory.mojom.h"
#include "mojo/public/cpp/bindings/interface_request.h"
#include "mojo/public/cpp/bindings/strong_binding.h"
namespace base {
class FilePath;
}
namespace filesystem {
class LockTable;
class FileImpl : public File {
public:
FileImpl(mojo::InterfaceRequest<File> request,
const base::FilePath& path,
uint32_t flags,
LockTable* lock_table);
FileImpl(mojo::InterfaceRequest<File> request,
const base::FilePath& path,
base::File file,
LockTable* lock_table);
~FileImpl() override;
// Returns whether the underlying file handle is valid.
bool IsValid() const;
// Attempts to perform the native operating system's locking operations on
// the internal File handle
base::File::Error RawLockFile();
base::File::Error RawUnlockFile();
const base::FilePath& path() const { return path_; }
// |File| implementation:
void Close(const CloseCallback& callback) override;
void Read(uint32_t num_bytes_to_read,
int64_t offset,
Whence whence,
const ReadCallback& callback) override;
void Write(mojo::Array<uint8_t> bytes_to_write,
int64_t offset,
Whence whence,
const WriteCallback& callback) override;
void Tell(const TellCallback& callback) override;
void Seek(int64_t offset,
Whence whence,
const SeekCallback& callback) override;
void Stat(const StatCallback& callback) override;
void Truncate(int64_t size, const TruncateCallback& callback) override;
void Touch(TimespecOrNowPtr atime,
TimespecOrNowPtr mtime,
const TouchCallback& callback) override;
void Dup(mojo::InterfaceRequest<File> file,
const DupCallback& callback) override;
void Flush(const FlushCallback& callback) override;
void Lock(const LockCallback& callback) override;
void Unlock(const UnlockCallback& callback) override;
void AsHandle(const AsHandleCallback& callback) override;
private:
mojo::StrongBinding<File> binding_;
base::File file_;
base::FilePath path_;
LockTable* lock_table_;
DISALLOW_COPY_AND_ASSIGN(FileImpl);
};
} // namespace filesystem
#endif // COMPONENTS_FILESYSTEM_FILE_IMPL_H_
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