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// Copyright 2014 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_FILEAPI_MTP_FILE_SYSTEM_BACKEND_DELEGATE_H_
#define CHROME_BROWSER_ASH_FILEAPI_MTP_FILE_SYSTEM_BACKEND_DELEGATE_H_
#include <stdint.h>
#include <memory>
#include "chrome/browser/ash/fileapi/file_system_backend_delegate.h"
#include "chrome/browser/ash/fileapi/mtp_watcher_manager.h"
namespace base {
class FilePath;
} // namespace base
namespace storage {
class AsyncFileUtil;
class FileSystemContext;
class FileStreamReader;
class FileSystemURL;
class FileStreamWriter;
class WatcherManager;
} // namespace storage
class DeviceMediaAsyncFileUtil;
namespace ash {
// This is delegate interface to inject the MTP device file system in Chrome OS
// file API backend.
class MTPFileSystemBackendDelegate : public FileSystemBackendDelegate {
public:
explicit MTPFileSystemBackendDelegate(
const base::FilePath& storage_partition_path);
MTPFileSystemBackendDelegate(const MTPFileSystemBackendDelegate&) = delete;
MTPFileSystemBackendDelegate& operator=(const MTPFileSystemBackendDelegate&) =
delete;
~MTPFileSystemBackendDelegate() override;
// FileSystemBackendDelegate overrides.
storage::AsyncFileUtil* GetAsyncFileUtil(
storage::FileSystemType type) override;
std::unique_ptr<storage::FileStreamReader> CreateFileStreamReader(
const storage::FileSystemURL& url,
int64_t offset,
int64_t max_bytes_to_read,
const base::Time& expected_modification_time,
storage::FileSystemContext* context) override;
std::unique_ptr<storage::FileStreamWriter> CreateFileStreamWriter(
const storage::FileSystemURL& url,
int64_t offset,
storage::FileSystemContext* context) override;
storage::WatcherManager* GetWatcherManager(
storage::FileSystemType type) override;
private:
std::unique_ptr<DeviceMediaAsyncFileUtil> device_media_async_file_util_;
std::unique_ptr<MTPWatcherManager> mtp_watcher_manager_;
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_FILEAPI_MTP_FILE_SYSTEM_BACKEND_DELEGATE_H_
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