Chromium Code Reviews| Index: webkit/fileapi/local_file_system_file_util.h |
| =================================================================== |
| --- webkit/fileapi/local_file_system_file_util.h (revision 0) |
| +++ webkit/fileapi/local_file_system_file_util.h (revision 0) |
| @@ -0,0 +1,144 @@ |
| +// Copyright (c) 2011 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_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_ |
| +#define WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_ |
| + |
| +#include "base/callback.h" |
| +#include "base/file_path.h" |
| +#include "base/file_util.h" |
| +#include "base/file_util_proxy.h" |
| +#include "base/logging.h" |
| +#include "base/platform_file.h" |
| +#include "base/ref_counted.h" |
| +#include "base/singleton.h" |
| +#include "base/tracked_objects.h" |
| +#include "webkit/fileapi/file_system_file_util.h" |
| +#include "webkit/fileapi/file_system_types.h" |
| + |
| +namespace base { |
| +struct PlatformFileInfo; |
| +class MessageLoopProxy; |
| +class Time; |
| +} |
| + |
| +class GURL; |
| + |
| +namespace fileapi { |
| + |
| +using base::PlatformFile; |
| +using base::PlatformFileError; |
| + |
| +class FileSystemOperationContext; |
| + |
| +class LocalFileSystemFileUtil : public FileSystemFileUtil { |
| + public: |
| + static LocalFileSystemFileUtil* GetInstance(); |
| + |
| + // Creates or opens a file with the given flags. It is invalid to pass NULL |
| + // for the callback. |
| + // If PLATFORM_FILE_CREATE is set in |file_flags| it always tries to create |
| + // a new file at the given |file_path| and calls back with |
| + // PLATFORM_FILE_ERROR_FILE_EXISTS if the |file_path| already exists. |
|
kinuko
2011/03/22 00:16:24
Should be ok to remove all the comments for the me
ericu
2011/03/22 00:40:31
Done.
|
| + virtual PlatformFileError CreateOrOpen( |
| + FileSystemOperationContext* context, |
| + const FilePath& file_path, |
| + int file_flags, |
| + PlatformFile* file_handle, |
| + bool* created); |
| + |
| + // Ensures that the given |file_path| exist. This creates a empty new file |
| + // at |file_path| if the |file_path| does not exist. |
| + // If a new file han not existed and is created at the |file_path|, |
| + // |created| of the callback argument is set true and |error code| |
| + // is set PLATFORM_FILE_OK. |
| + // If the file already exists, |created| is set false and |error code| |
| + // is set PLATFORM_FILE_OK. |
| + // If the file hasn't existed but it couldn't be created for some other |
| + // reasons, |created| is set false and |error code| indicates the error. |
| + virtual PlatformFileError EnsureFileExists( |
| + FileSystemOperationContext* context, |
| + const FilePath& file_path, bool* created); |
| + |
| + // Retrieves the information about a file. It is invalid to pass NULL for the |
| + // callback. |
| + virtual PlatformFileError GetFileInfo( |
| + FileSystemOperationContext* context, |
| + const FilePath& file_, base::PlatformFileInfo* file_info); |
| + |
| + virtual PlatformFileError ReadDirectory( |
| + FileSystemOperationContext* context, |
| + const FilePath& file_path, |
| + std::vector<base::FileUtilProxy::Entry>* entries); |
| + |
| + // Creates directory at given path. It's an error to create |
| + // if |exclusive| is true and dir already exists. |
| + virtual PlatformFileError CreateDirectory( |
| + FileSystemOperationContext* context, |
| + const FilePath& file_path, |
| + bool exclusive, |
| + bool recursive); |
| + |
| + // Copies a file or a directory from |src_file_path| to |dest_file_path| |
| + // Error cases: |
| + // If destination file doesn't exist or destination's parent |
| + // doesn't exists. |
| + // If source dir exists but destination path is an existing file. |
| + // If source file exists but destination path is an existing directory. |
| + // If source is a parent of destination. |
| + // If source doesn't exists. |
| + virtual PlatformFileError Copy( |
| + FileSystemOperationContext* context, |
| + const FilePath& src_file_path, |
| + const FilePath& dest_file_path); |
| + |
| + // Moves a file or a directory from src_file_path to dest_file_path. |
| + // Error cases are similar to Copy method's error cases. |
| + virtual PlatformFileError Move( |
| + FileSystemOperationContext* context, |
| + const FilePath& src_file_path, |
| + const FilePath& dest_file_path); |
| + |
| + // Deletes a file or a directory. |
| + // It is an error to delete a non-empty directory with recursive=false. |
| + virtual PlatformFileError Delete( |
| + FileSystemOperationContext* context, |
| + const FilePath& file_path, |
| + bool recursive); |
| + |
| + // Touches a file. The callback can be NULL. |
| + virtual PlatformFileError Touch( |
| + FileSystemOperationContext* context, |
| + const FilePath& file_path, |
| + const base::Time& last_access_time, |
| + const base::Time& last_modified_time); |
| + |
| + // Truncates a file to the given length. If |length| is greater than the |
| + // current length of the file, the file will be extended with zeroes. |
| + // The callback can be NULL. |
| + virtual PlatformFileError Truncate( |
| + FileSystemOperationContext* context, |
| + const FilePath& path, |
| + int64 length); |
| + |
| + protected: |
| + LocalFileSystemFileUtil() { } |
| + |
| + friend struct DefaultSingletonTraits<LocalFileSystemFileUtil>; |
| + DISALLOW_COPY_AND_ASSIGN(LocalFileSystemFileUtil); |
| + |
| + private: |
| + // Given the filesystem's root URL and a virtual path, produces a real, full |
| + // local path. |
| + FilePath GetLocalPath( |
| + FileSystemOperationContext* context, |
| + const GURL& origin_url, |
| + FileSystemType type, |
| + const FilePath& virtual_path); |
| + |
| +}; |
| + |
| +} // namespace fileapi |
| + |
| +#endif // WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_ |
| Property changes on: webkit\fileapi\local_file_system_file_util.h |
| ___________________________________________________________________ |
| Added: svn:eol-style |
| + LF |