Move webkit/chromeos into webkit/browser/chromeos

webkit/chromeos/fileapi/file_util_async.h

-// 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 WEBKIT_CHROMEOS_FILEAPI_FILE_SYSTEM_FILE_UTIL_ASYNC_H_
-#define WEBKIT_CHROMEOS_FILEAPI_FILE_SYSTEM_FILE_UTIL_ASYNC_H_
-
-#include "base/callback.h"
-#include "base/platform_file.h"
-#include "webkit/chromeos/fileapi/async_file_stream.h"
-
-namespace fileapi {
-
-using base::PlatformFileError;
-
-// The interface class of asynchronous file utils. All functions are pure
-// virtual.
-class FileUtilAsync {
- public:
-  virtual ~FileUtilAsync() {}
-
-  // Used for GetFileInfo(). |result| is the return code of the operation,
-  // and |file_info| is the obtained file info.
-  typedef base::Callback<void(
-      PlatformFileError result,
-      const base::PlatformFileInfo& file_info)> GetFileInfoCallback;
-
-  // Used for Create(), etc. |result| is the return code of the operation.
-  typedef base::Callback<void(PlatformFileError)> StatusCallback;
-
-  // Used for Open(). |result| is the return code of the operation, and
-  // |stream| is the stream of the opened file.
-  typedef base::Callback<void(
-      PlatformFileError result,
-      AsyncFileStream* stream)> OpenCallback;
-
-  typedef std::vector<DirectoryEntry> FileList;
-
-  // Used for ReadDirectoryCallback(). |result| is the return code of the
-  // operation, |file_list| is the list of files read, and |completed| is
-  // true if all files are read.
-  typedef base::Callback<void(
-      PlatformFileError result,
-      const FileList& file_list,
-      bool completed)> ReadDirectoryCallback;
-
-  // Opens a file of the given |file_path| with |flags|. On success,
-  // PLATFORM_FILE_OK is passed to |callback| with a pointer to newly
-  // created AsyncFileStream object. The caller should delete the
-  // stream. On failure, an error code is passed instead.
-  virtual void Open(const base::FilePath& file_path,
-                    int file_flags,  // PlatformFileFlags
-                    const OpenCallback& callback) = 0;
-
-  // Gets file info of the given |file_path|. On success,
-  // PLATFORM_FILE_OK is passed to |callback| with the the obtained file
-  // info. On failure, an error code is passed instead.
-  virtual void GetFileInfo(const base::FilePath& file_path,
-                           const GetFileInfoCallback& callback) = 0;
-
-  // Creates a file of the given |file_path|. On success,
-  // PLATFORM_FILE_OK is passed to |callback|. On failure, an error code
-  // is passed instead.
-  virtual void Create(const base::FilePath& file_path,
-                      const StatusCallback& callback) = 0;
-
-  // Truncates a file of the given |file_path| to |length|. On success,
-  // PLATFORM_FILE_OK is passed to |callback|. On failure, an error code
-  // is passed instead.
-  virtual void Truncate(const base::FilePath& file_path,
-                        int64 length,
-                        const StatusCallback& callback) = 0;
-
-  // Modifies the timestamps of a file of the given |file_path|. On
-  // success, PLATFORM_FILE_OK is passed to |callback|. On failure, an
-  // error code is passed instead.
-  virtual void Touch(const base::FilePath& file_path,
-                     const base::Time& last_access_time,
-                     const base::Time& last_modified_time,
-                     const StatusCallback& callback) = 0;
-
-  // Removes a file or directory of the given |file_path|. If |recursive|
-  // is true, removes the contents of the given directory recursively. On
-  // success, PLATFORM_FILE_OK is passed to |callback|. On failure, an
-  // error code is passed instead.
-  virtual void Remove(const base::FilePath& file_path,
-                      bool recursive,
-                      const StatusCallback& callback) = 0;
-
-  // Creates a directory of the given |dir_path|. On success,
-  // PLATFORM_FILE_OK is passed to |callback|. On failure, an error code
-  // is passed instead.
-  virtual void CreateDirectory(const base::FilePath& dir_path,
-                               const StatusCallback& callback) = 0;
-
-  // Reads a directory of the given |dir_path|. On success,
-  // PLATFORM_FILE_OK is passed to |callback| with the list of files, and
-  // a boolean value indicating if all files are read. On failure, an
-  // error code is passed instead.
-  //
-  // The ReadDirectoryCallback may be called several times, returning the
-  // portions of the whole directory listing. The reference to vector with
-  // DirectoryEntry objects, passed to callback is guaranteed to contain the
-  // results of the operation only while callback is running.
-  //
-  // The implementations of FileUtilAsync should be careful to populate the
-  // vector on the same thread, on which the callback is called. Otherwise,
-  // if callback is called through PostTask, the data might get overwritten
-  // before callback is actually called.
-  //
-  // TODO(olege): Maybe make it possible to read only a part of the directory.
-  virtual void ReadDirectory(const base::FilePath& dir_path,
-                             const ReadDirectoryCallback& callback) = 0;
-
-  // TODO(olege): Add LocalCopy and LocalMove.
-};
-
-}  // namespace fileapi
-
-#endif  // WEBKIT_CHROMEOS_FILEAPI_FILE_SYSTEM_FILE_UTIL_ASYNC_H_