| // 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 "build/build_config.h" |
| #include "components/filesystem/public/interfaces/directory.mojom.h" |
| #include "mojo/public/cpp/bindings/interface_request.h" |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace filesystem { |
| |
| class LockTable; |
| class SharedTempDir; |
| |
| class FileImpl : public mojom::File { |
| public: |
| 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(mojom::FileRequest file, DupCallback callback) override; |
| void Flush(FlushCallback callback) override; |
| void Lock(LockCallback callback) override; |
| void Unlock(UnlockCallback callback) override; |
| void AsHandle(AsHandleCallback callback) override; |
| |
| private: |
| base::File file_; |
| base::FilePath path_; |
| scoped_refptr<SharedTempDir> temp_dir_; |
| scoped_refptr<LockTable> lock_table_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FileImpl); |
| }; |
| |
| } // namespace filesystem |
| |
| #endif // COMPONENTS_FILESYSTEM_FILE_IMPL_H_ |