chrome/browser/chromeos/file_system_provider/mount_path_util.h

   1 // Copyright 2014 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_FILE_SYSTEM_PROVIDER_MOUNT_PATH_UTIL_H_
   6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_MOUNT_PATH_UTIL_H_
   7
   8 #include <string>
   9
  10 #include "base/files/file_path.h"
  11 #include "storage/browser/fileapi/file_system_url.h"
  12
  13 class Profile;
  14
  15 namespace chromeos {
  16 namespace file_system_provider {
  17
  18 class ProvidedFileSystemInterface;
  19
  20 namespace util {
  21
  22 // Constructs a safe mount point path for the provided file system.
  23 base::FilePath GetMountPath(Profile* profile,
  24                             const std::string& extension_id,
  25                             const std::string& file_system_id);
  26
  27 // Checks whether a local path is handled by File System Provider API or not.
  28 bool IsFileSystemProviderLocalPath(const base::FilePath& local_path);
  29
  30 // Finds a file system, which is responsible for handling the specified |url| by
  31 // analysing the mount path. Also, extract the file path from the virtual path
  32 // to be used by the file system operations.
  33 class FileSystemURLParser {
  34  public:
  35   explicit FileSystemURLParser(const storage::FileSystemURL& url);
  36   virtual ~FileSystemURLParser();
  37
  38   // Parses the |url| passed to the constructor. If parsing succeeds, then
  39   // returns true. Otherwise, false. Must be called on UI thread.
  40   bool Parse();
  41
  42   ProvidedFileSystemInterface* file_system() const { return file_system_; }
  43   const base::FilePath& file_path() const { return file_path_; }
  44
  45  private:
  46   storage::FileSystemURL url_;
  47   ProvidedFileSystemInterface* file_system_;
  48   base::FilePath file_path_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(FileSystemURLParser);
  51 };
  52
  53 // Finds a file system, which is responsible for handling the specified
  54 // |local_path| by analysing the mount point name. Alsoo, extract the file path
  55 // from the local path to be used by the file system operations.
  56 class LocalPathParser {
  57  public:
  58   LocalPathParser(Profile* profile, const base::FilePath& local_path);
  59   virtual ~LocalPathParser();
  60
  61   // Parses the |local_path| passed to the constructor. If parsing succeeds,
  62   // then returns true. Otherwise, false. Must be called on UI thread.
  63   bool Parse();
  64
  65   ProvidedFileSystemInterface* file_system() const { return file_system_; }
  66   const base::FilePath& file_path() const { return file_path_; }
  67
  68  private:
  69   Profile* profile_;
  70   base::FilePath local_path_;
  71   ProvidedFileSystemInterface* file_system_;
  72   base::FilePath file_path_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(LocalPathParser);
  75 };
  76 }  // namespace util
  77 }  // namespace file_system_provider
  78 }  // namespace chromeos
  79
  80 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_MOUNT_PATH_UTIL_H_