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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef WEBKIT_BROWSER_FILEAPI_ISOLATED_FILE_UTIL_H_
      6 #define WEBKIT_BROWSER_FILEAPI_ISOLATED_FILE_UTIL_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "webkit/browser/fileapi/local_file_util.h"
     10 #include "webkit/browser/webkit_storage_browser_export.h"
     11 
     12 namespace fileapi {
     13 
     14 class FileSystemOperationContext;
     15 
     16 class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE IsolatedFileUtil
     17     : public LocalFileUtil {
     18  public:
     19   IsolatedFileUtil();
     20   virtual ~IsolatedFileUtil() {}
     21 
     22   // LocalFileUtil overrides.
     23   virtual base::PlatformFileError GetLocalFilePath(
     24       FileSystemOperationContext* context,
     25       const FileSystemURL& file_system_url,
     26       base::FilePath* local_file_path) OVERRIDE;
     27 };
     28 
     29 // Dragged file system is a specialized IsolatedFileUtil where read access to
     30 // the virtual root directory (i.e. empty cracked path case) is allowed
     31 // and single isolated context may be associated with multiple file paths.
     32 class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE DraggedFileUtil
     33     : public IsolatedFileUtil {
     34  public:
     35   DraggedFileUtil();
     36   virtual ~DraggedFileUtil() {}
     37 
     38   // FileSystemFileUtil overrides.
     39   virtual base::PlatformFileError GetFileInfo(
     40       FileSystemOperationContext* context,
     41       const FileSystemURL& url,
     42       base::PlatformFileInfo* file_info,
     43       base::FilePath* platform_path) OVERRIDE;
     44   virtual scoped_ptr<AbstractFileEnumerator> CreateFileEnumerator(
     45       FileSystemOperationContext* context,
     46       const FileSystemURL& root_url) OVERRIDE;
     47 
     48  private:
     49   DISALLOW_COPY_AND_ASSIGN(DraggedFileUtil);
     50 };
     51 
     52 }  // namespace fileapi
     53 
     54 #endif  // WEBKIT_BROWSER_FILEAPI_ISOLATED_FILE_UTIL_H_
     55