| // 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_FILE_SYSTEM_SANDBOX_FILE_SYSTEM_BACKEND_H_ |
| #define STORAGE_BROWSER_FILE_SYSTEM_SANDBOX_FILE_SYSTEM_BACKEND_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <set> |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/component_export.h" |
| #include "base/files/file_path.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "storage/browser/file_system/file_system_backend.h" |
| #include "storage/browser/file_system/file_system_quota_util.h" |
| #include "storage/browser/file_system/sandbox_file_system_backend_delegate.h" |
| #include "storage/browser/file_system/task_runner_bound_observer_list.h" |
| #include "storage/browser/quota/special_storage_policy.h" |
| |
| namespace storage { |
| |
| // TEMPORARY or PERSISTENT filesystems, which are placed under the user's |
| // profile directory in a sandboxed way. |
| // This interface also lets one enumerate and remove storage for the origins |
| // that use the filesystem. |
| class COMPONENT_EXPORT(STORAGE_BROWSER) SandboxFileSystemBackend |
| : public FileSystemBackend { |
| public: |
| explicit SandboxFileSystemBackend(SandboxFileSystemBackendDelegate* delegate); |
| ~SandboxFileSystemBackend() override; |
| |
| // FileSystemBackend overrides. |
| bool CanHandleType(FileSystemType type) const override; |
| void Initialize(FileSystemContext* context) override; |
| void ResolveURL(const FileSystemURL& url, |
| OpenFileSystemMode mode, |
| 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(FileSystemType type) const override; |
| std::unique_ptr<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; |
| |
| // Returns an origin enumerator of this backend. |
| // This method can only be called on the file thread. |
| SandboxFileSystemBackendDelegate::OriginEnumerator* CreateOriginEnumerator(); |
| |
| private: |
| SandboxFileSystemBackendDelegate* delegate_; // Not owned. |
| |
| DISALLOW_COPY_AND_ASSIGN(SandboxFileSystemBackend); |
| }; |
| |
| } // namespace storage |
| |
| #endif // STORAGE_BROWSER_FILE_SYSTEM_SANDBOX_FILE_SYSTEM_BACKEND_H_ |