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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 CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_PATH_FILTER_H_
      6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_PATH_FILTER_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/files/file_path.h"
     11 #include "base/synchronization/lock.h"
     12 
     13 namespace base {
     14 class FilePath;
     15 }
     16 
     17 namespace chrome {
     18 
     19 // This class holds the list of file path extensions that we should expose on
     20 // media filesystem.
     21 class MediaPathFilter {
     22  public:
     23   MediaPathFilter();
     24   ~MediaPathFilter();
     25   bool Match(const base::FilePath& path);
     26 
     27  private:
     28   typedef std::vector<base::FilePath::StringType> MediaFileExtensionList;
     29 
     30   void EnsureInitialized();
     31 
     32   bool initialized_;
     33   base::Lock initialization_lock_;
     34   MediaFileExtensionList media_file_extensions_;
     35 
     36   DISALLOW_COPY_AND_ASSIGN(MediaPathFilter);
     37 };
     38 
     39 }  // namespace chrome
     40 
     41 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_PATH_FILTER_H_
     42