dom/filesystem/FileSystemBase.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/FileSystemBase.h"
   8
   9 #include "DeviceStorageFileSystem.h"
  10 #include "nsCharSeparatedTokenizer.h"
  11
  12 namespace mozilla {
  13 namespace dom {
  14
  15 // static
  16 already_AddRefed<FileSystemBase>
  17 FileSystemBase::FromString(const nsAString& aString)
  18 {
  19   if (StringBeginsWith(aString, NS_LITERAL_STRING("devicestorage-"))) {
  20     // The string representation of devicestorage file system is of the format:
  21     // devicestorage-StorageType-StorageName
  22
  23     nsCharSeparatedTokenizer tokenizer(aString, char16_t('-'));
  24     tokenizer.nextToken();
  25
  26     nsString storageType;
  27     if (tokenizer.hasMoreTokens()) {
  28       storageType = tokenizer.nextToken();
  29     }
  30
  31     nsString storageName;
  32     if (tokenizer.hasMoreTokens()) {
  33       storageName = tokenizer.nextToken();
  34     }
  35
  36     nsRefPtr<DeviceStorageFileSystem> f =
  37       new DeviceStorageFileSystem(storageType, storageName);
  38     return f.forget();
  39   }
  40   return nullptr;
  41 }
  42
  43 FileSystemBase::FileSystemBase()
  44   : mShutdown(false)
  45   , mIsTesting(false)
  46 {
  47 }
  48
  49 FileSystemBase::~FileSystemBase()
  50 {
  51 }
  52
  53 void
  54 FileSystemBase::Shutdown()
  55 {
  56   mShutdown = true;
  57 }
  58
  59 nsPIDOMWindow*
  60 FileSystemBase::GetWindow() const
  61 {
  62   return nullptr;
  63 }
  64
  65 bool
  66 FileSystemBase::IsSafeFile(nsIFile* aFile) const
  67 {
  68   return false;
  69 }
  70
  71 bool
  72 FileSystemBase::IsSafeDirectory(Directory* aDir) const
  73 {
  74   return false;
  75 }
  76
  77 } // namespace dom
  78 } // namespace mozilla