Stop returning the true root path of each filesystem from openFileSystem....

webkit/fileapi/local_file_system_file_util.h

+// 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 <vector>
+
+#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();
+
+  virtual PlatformFileError CreateOrOpen(
+      FileSystemOperationContext* context,
+      const FilePath& file_path,
+      int file_flags,
+      PlatformFile* file_handle,
+      bool* created);
+
+  virtual PlatformFileError EnsureFileExists(
+      FileSystemOperationContext* context,
+      const FilePath& file_path, bool* created);
+
+  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);
+
+  virtual PlatformFileError CreateDirectory(
+      FileSystemOperationContext* context,
+      const FilePath& file_path,
+      bool exclusive,
+      bool recursive);
+
+  virtual PlatformFileError Copy(
+      FileSystemOperationContext* context,
+      const FilePath& src_file_path,
+      const FilePath& dest_file_path);
+
+  virtual PlatformFileError Move(
+      FileSystemOperationContext* context,
+      const FilePath& src_file_path,
+      const FilePath& dest_file_path);
+
+  virtual PlatformFileError Delete(
+      FileSystemOperationContext* context,
+      const FilePath& file_path,
+      bool recursive);
+
+  virtual PlatformFileError Touch(
+      FileSystemOperationContext* context,
+      const FilePath& file_path,
+      const base::Time& last_access_time,
+      const base::Time& last_modified_time);
+
+  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_