| // 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_SANDBOX_FILE_SYSTEM_BACKEND_H_ |
| #define STORAGE_BROWSER_FILEAPI_SANDBOX_FILE_SYSTEM_BACKEND_H_ |
| |
| #include <set> |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "storage/browser/fileapi/file_system_backend.h" |
| #include "storage/browser/fileapi/file_system_quota_util.h" |
| #include "storage/browser/fileapi/sandbox_file_system_backend_delegate.h" |
| #include "storage/browser/fileapi/task_runner_bound_observer_list.h" |
| #include "storage/browser/quota/special_storage_policy.h" |
| #include "storage/browser/storage_browser_export.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 STORAGE_EXPORT SandboxFileSystemBackend |
| : public FileSystemBackend { |
| public: |
| explicit SandboxFileSystemBackend(SandboxFileSystemBackendDelegate* delegate); |
| virtual ~SandboxFileSystemBackend(); |
| |
| // FileSystemBackend overrides. |
| virtual bool CanHandleType(FileSystemType type) const override; |
| virtual void Initialize(FileSystemContext* context) override; |
| virtual void ResolveURL(const FileSystemURL& url, |
| OpenFileSystemMode mode, |
| const OpenFileSystemCallback& callback) override; |
| virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) override; |
| virtual WatcherManager* GetWatcherManager(FileSystemType type) override; |
| virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory( |
| FileSystemType type, |
| base::File::Error* error_code) override; |
| virtual FileSystemOperation* CreateFileSystemOperation( |
| const FileSystemURL& url, |
| FileSystemContext* context, |
| base::File::Error* error_code) const override; |
| virtual bool SupportsStreaming(const FileSystemURL& url) const override; |
| virtual bool HasInplaceCopyImplementation( |
| storage::FileSystemType type) const override; |
| virtual scoped_ptr<storage::FileStreamReader> CreateFileStreamReader( |
| const FileSystemURL& url, |
| int64 offset, |
| int64 max_bytes_to_read, |
| const base::Time& expected_modification_time, |
| FileSystemContext* context) const override; |
| virtual scoped_ptr<FileStreamWriter> CreateFileStreamWriter( |
| const FileSystemURL& url, |
| int64 offset, |
| FileSystemContext* context) const override; |
| virtual FileSystemQuotaUtil* GetQuotaUtil() override; |
| virtual const UpdateObserverList* GetUpdateObservers( |
| FileSystemType type) const override; |
| virtual const ChangeObserverList* GetChangeObservers( |
| FileSystemType type) const override; |
| virtual 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(); |
| |
| void set_enable_temporary_file_system_in_incognito(bool enable) { |
| enable_temporary_file_system_in_incognito_ = enable; |
| } |
| bool enable_temporary_file_system_in_incognito() const { |
| return enable_temporary_file_system_in_incognito_; |
| } |
| |
| |
| private: |
| SandboxFileSystemBackendDelegate* delegate_; // Not owned. |
| |
| bool enable_temporary_file_system_in_incognito_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SandboxFileSystemBackend); |
| }; |
| |
| } // namespace storage |
| |
| #endif // STORAGE_BROWSER_FILEAPI_SANDBOX_FILE_SYSTEM_BACKEND_H_ |