| // Copyright (c) 2013 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 WEBKIT_BROWSER_FILEAPI_ASYNC_FILE_UTIL_ADAPTER_H_ |
| #define WEBKIT_BROWSER_FILEAPI_ASYNC_FILE_UTIL_ADAPTER_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "webkit/browser/fileapi/async_file_util.h" |
| |
| namespace fileapi { |
| |
| class FileSystemFileUtil; |
| |
| // An adapter class for FileSystemFileUtil classes to provide asynchronous |
| // interface. |
| // |
| // A filesystem can do either: |
| // - implement a synchronous version of FileUtil by extending |
| // FileSystemFileUtil and atach it to this adapter, or |
| // - directly implement AsyncFileUtil. |
| // |
| // This instance (as thus this->sync_file_util_) is guaranteed to be alive |
| // as far as FileSystemOperationContext given to each operation is kept alive. |
| class WEBKIT_STORAGE_BROWSER_EXPORT AsyncFileUtilAdapter |
| : public NON_EXPORTED_BASE(AsyncFileUtil) { |
| public: |
| // Creates a new AsyncFileUtil for |sync_file_util|. This takes the |
| // ownership of |sync_file_util|. (This doesn't take scoped_ptr<> just |
| // to save extra make_scoped_ptr; in all use cases a new fresh FileUtil is |
| // created only for this adapter.) |
| explicit AsyncFileUtilAdapter(FileSystemFileUtil* sync_file_util); |
| |
| virtual ~AsyncFileUtilAdapter(); |
| |
| FileSystemFileUtil* sync_file_util() { |
| return sync_file_util_.get(); |
| } |
| |
| // AsyncFileUtil overrides. |
| virtual void CreateOrOpen( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| int file_flags, |
| const CreateOrOpenCallback& callback) OVERRIDE; |
| virtual void EnsureFileExists( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| const EnsureFileExistsCallback& callback) OVERRIDE; |
| virtual void CreateDirectory( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| bool exclusive, |
| bool recursive, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void GetFileInfo( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| const GetFileInfoCallback& callback) OVERRIDE; |
| virtual void ReadDirectory( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| const ReadDirectoryCallback& callback) OVERRIDE; |
| virtual void Touch( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| const base::Time& last_access_time, |
| const base::Time& last_modified_time, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void Truncate( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| int64 length, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void CopyFileLocal( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& src_url, |
| const FileSystemURL& dest_url, |
| CopyOrMoveOption option, |
| const CopyFileProgressCallback& progress_callback, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void MoveFileLocal( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& src_url, |
| const FileSystemURL& dest_url, |
| CopyOrMoveOption option, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void CopyInForeignFile( |
| scoped_ptr<FileSystemOperationContext> context, |
| const base::FilePath& src_file_path, |
| const FileSystemURL& dest_url, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void DeleteFile( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void DeleteDirectory( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void DeleteRecursively( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| const StatusCallback& callback) OVERRIDE; |
| virtual void CreateSnapshotFile( |
| scoped_ptr<FileSystemOperationContext> context, |
| const FileSystemURL& url, |
| const CreateSnapshotFileCallback& callback) OVERRIDE; |
| |
| private: |
| scoped_ptr<FileSystemFileUtil> sync_file_util_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AsyncFileUtilAdapter); |
| }; |
| |
| } // namespace fileapi |
| |
| #endif // WEBKIT_BROWSER_FILEAPI_ASYNC_FILE_UTIL_ADAPTER_H_ |