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 |