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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_ARC_FILEAPI_ARC_DOCUMENTS_PROVIDER_ASYNC_FILE_UTIL_H_
#define CHROME_BROWSER_ASH_ARC_FILEAPI_ARC_DOCUMENTS_PROVIDER_ASYNC_FILE_UTIL_H_
#include <memory>
#include "base/functional/callback.h"
#include "storage/browser/file_system/async_file_util.h"
namespace arc {
// The implementation of storage::AsyncFileUtil for documents providers.
//
// All of the methods must be called on the IO thread.
// Assuming that the documents-provider file system is used only by Files app,
// this implementation does not satisfy the definition of storage::AsyncFileUtil
// interface completely. We omit some details which Files app doesn't care.
// This is for simpicity, but results in layering violation. We should
// complement the implementations to prepare for general usage in the future.
// crbug.com/946329.
class ArcDocumentsProviderAsyncFileUtil : public storage::AsyncFileUtil {
public:
ArcDocumentsProviderAsyncFileUtil();
ArcDocumentsProviderAsyncFileUtil(const ArcDocumentsProviderAsyncFileUtil&) =
delete;
ArcDocumentsProviderAsyncFileUtil& operator=(
const ArcDocumentsProviderAsyncFileUtil&) = delete;
~ArcDocumentsProviderAsyncFileUtil() override;
// storage::AsyncFileUtil overrides.
void CreateOrOpen(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
uint32_t file_flags,
CreateOrOpenCallback callback) override;
void EnsureFileExists(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
EnsureFileExistsCallback callback) override;
void CreateDirectory(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
bool exclusive,
bool recursive,
StatusCallback callback) override;
void GetFileInfo(std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
GetMetadataFieldSet fields,
GetFileInfoCallback callback) override;
void ReadDirectory(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
ReadDirectoryCallback callback) override;
void Touch(std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
const base::Time& last_access_time,
const base::Time& last_modified_time,
StatusCallback callback) override;
void Truncate(std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
int64_t length,
StatusCallback callback) override;
void CopyFileLocal(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& src_url,
const storage::FileSystemURL& dest_url,
CopyOrMoveOptionSet options,
CopyFileProgressCallback progress_callback,
StatusCallback callback) override;
void MoveFileLocal(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& src_url,
const storage::FileSystemURL& dest_url,
CopyOrMoveOptionSet options,
StatusCallback callback) override;
void CopyInForeignFile(
std::unique_ptr<storage::FileSystemOperationContext> context,
const base::FilePath& src_file_path,
const storage::FileSystemURL& dest_url,
StatusCallback callback) override;
void DeleteFile(std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
StatusCallback callback) override;
void DeleteDirectory(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
StatusCallback callback) override;
void DeleteRecursively(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
StatusCallback callback) override;
void CreateSnapshotFile(
std::unique_ptr<storage::FileSystemOperationContext> context,
const storage::FileSystemURL& url,
CreateSnapshotFileCallback callback) override;
};
} // namespace arc
#endif // CHROME_BROWSER_ASH_ARC_FILEAPI_ARC_DOCUMENTS_PROVIDER_ASYNC_FILE_UTIL_H_
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