Stackable file_util for FileAPIs. Sample code for discussion. Incomplete. Cannot be compiled.

webkit/fileapi/file_system_file_util_base.cc

+// 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.
+
+#include "webkit/fileapi/file_system_file_util.h"
+
+#include "base/file_util.h"
+
+namespace fileapi {
+
+FileSystemFileUtilBase* FileSystemFileUtilBase::GetInstance() {
+  return Singleton<FileSystemFileUtilBase>::get();
+}
+
+int FileSystemFileUtilBase::CountFilesCreatedAfter(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& path,
+    const base::Time& file_time) {
+  return file_util::CountFilesCreatedAfter(path, file_time);
+}
+
+int64 FileSystemFileUtilBase::ComputeDirectorySize(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& root_path) {
+  return file_util::ComputeDirectorySize(root_path);
+}
+
+int64 FileSystemFileUtilBase::ComputeFilesSize(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& directory,
+    const FilePath::StringType& pattern) {
+  return file_util::ComputeFilesSize(directory, pattern);
+}
+
+bool FileSystemFileUtilBase::Delete(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& path, bool recursive) {
+  return file_util::Delete(path);
+}
+
+#if defined(OS_WIN)
+bool FileSystemFileUtilBase::DeleteAfterReboot(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& path) {
+  return file_util::DeleteAfterReboot(path);
+}
+#endif
+
+bool FileSystemFileUtilBase::Move(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& from_path, const FilePath& to_path) {
+  return file_util::Move(from_path, to_path);
+}
+
+bool FileSystemFileUtilBase::ReplaceFile(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& from_path, const FilePath& to_path) {
+  return file_util::ReplaceFile(from_path, to_path);
+}
+
+bool FileSystemFileUtilBase::CopyFile(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& from_path, const FilePath& to_path) {
+  return file_util::CopyFile(from_path, to_path);

[Dai Mikurube (google.com), 2011/02/10 08:35:12]

Just calling file_util::CopyFile() without fs_context.

+}
+
+bool FileSystemFileUtilBase::CopyDirectory(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& from_path, const FilePath& to_path,
+    bool recursive) {
+  return file_util::CopyDirectory(from_path, to_path, recursive);
+}
+
+bool FileSystemFileUtilBase::PathExists(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& path) {
+  return file_util::PathExists(path);
+}
+
+bool FileSystemFileUtilBase::PathIsWritable(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& path) {
+  return file_util::PathIsWritable(path);
+}
+
+bool FileSystemFileUtilBase::DirectoryExists(
+    const FileSystemOperationContext& fs_context,
+    const FilePath& path) {
+  return file_util::DirectoryExists(path);
+}
+
+}