| // Copyright (c) 2012 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 STORAGE_BROWSER_FILEAPI_ISOLATED_FILE_SYSTEM_BACKEND_H_ |
| #define STORAGE_BROWSER_FILEAPI_ISOLATED_FILE_SYSTEM_BACKEND_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "storage/browser/fileapi/file_system_backend.h" |
| #include "storage/browser/fileapi/task_runner_bound_observer_list.h" |
| |
| namespace storage { |
| |
| class AsyncFileUtilAdapter; |
| |
| class IsolatedFileSystemBackend : public FileSystemBackend { |
| public: |
| IsolatedFileSystemBackend(bool use_for_type_native_local, |
| bool use_for_type_platform_app); |
| ~IsolatedFileSystemBackend() override; |
| |
| // FileSystemBackend implementation. |
| bool CanHandleType(FileSystemType type) const override; |
| void Initialize(FileSystemContext* context) override; |
| void ResolveURL(const FileSystemURL& url, |
| OpenFileSystemMode mode, |
| const OpenFileSystemCallback& callback) override; |
| AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) override; |
| WatcherManager* GetWatcherManager(FileSystemType type) override; |
| CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory( |
| FileSystemType type, |
| base::File::Error* error_code) override; |
| FileSystemOperation* CreateFileSystemOperation( |
| const FileSystemURL& url, |
| FileSystemContext* context, |
| base::File::Error* error_code) const override; |
| bool SupportsStreaming(const FileSystemURL& url) const override; |
| bool HasInplaceCopyImplementation( |
| storage::FileSystemType type) const override; |
| std::unique_ptr<storage::FileStreamReader> CreateFileStreamReader( |
| const FileSystemURL& url, |
| int64_t offset, |
| int64_t max_bytes_to_read, |
| const base::Time& expected_modification_time, |
| FileSystemContext* context) const override; |
| std::unique_ptr<FileStreamWriter> CreateFileStreamWriter( |
| const FileSystemURL& url, |
| int64_t offset, |
| FileSystemContext* context) const override; |
| FileSystemQuotaUtil* GetQuotaUtil() override; |
| const UpdateObserverList* GetUpdateObservers( |
| FileSystemType type) const override; |
| const ChangeObserverList* GetChangeObservers( |
| FileSystemType type) const override; |
| const AccessObserverList* GetAccessObservers( |
| FileSystemType type) const override; |
| |
| private: |
| // Whether this object should handle native local filesystem types. Some |
| // platforms (e.g. Chrome OS) may provide a different FileSystemBackend to |
| // handle those types. |
| const bool use_for_type_native_local_; |
| |
| // As above but for platform webapps. |
| const bool use_for_type_platform_app_; |
| |
| std::unique_ptr<AsyncFileUtilAdapter> isolated_file_util_; |
| std::unique_ptr<AsyncFileUtilAdapter> dragged_file_util_; |
| std::unique_ptr<AsyncFileUtilAdapter> transient_file_util_; |
| }; |
| |
| } // namespace storage |
| |
| #endif // STORAGE_BROWSER_FILEAPI_ISOLATED_FILE_SYSTEM_BACKEND_H_ |