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      1 // Copyright 2013 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 CHROME_BROWSER_CHROMEOS_FILEAPI_FILE_ACCESS_PERMISSIONS_H_
      6 #define CHROME_BROWSER_CHROMEOS_FILEAPI_FILE_ACCESS_PERMISSIONS_H_
      7 
      8 #include <map>
      9 #include <set>
     10 #include <string>
     11 
     12 #include "base/basictypes.h"
     13 #include "base/files/file_path.h"
     14 #include "base/synchronization/lock.h"
     15 #include "webkit/browser/webkit_storage_browser_export.h"
     16 
     17 namespace chromeos {
     18 
     19 class FileAccessPermissions {
     20  public:
     21   FileAccessPermissions();
     22   virtual ~FileAccessPermissions();
     23 
     24   // Grants |extension_id| access to |path|.
     25   void GrantAccessPermission(const std::string& extension_id,
     26                              const base::FilePath& path);
     27   // Checks id |extension_id| has permission to access to |path|.
     28   bool HasAccessPermission(const std::string& extension_id,
     29                            const base::FilePath& path) const;
     30   // Revokes all file permissions for |extension_id|.
     31   void RevokePermissions(const std::string& extension_id);
     32 
     33  private:
     34   typedef std::set<base::FilePath> PathSet;
     35   typedef std::map<std::string, PathSet> PathAccessMap;
     36 
     37   mutable base::Lock lock_;  // Synchronize all access to path_map_.
     38   PathAccessMap path_map_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(FileAccessPermissions);
     41 };
     42 
     43 }  // namespace chromeos
     44 
     45 #endif  // CHROME_BROWSER_CHROMEOS_FILEAPI_FILE_ACCESS_PERMISSIONS_H_
     46