tor-browser

The Tor Browser
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OSFileSystem.cpp (2397B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=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/OSFileSystem.h"
      8 
      9 #include "mozilla/dom/Directory.h"
     10 #include "mozilla/dom/File.h"
     11 #include "mozilla/dom/FileSystemUtils.h"
     12 #include "nsCOMPtr.h"
     13 #include "nsDebug.h"
     14 #include "nsIFile.h"
     15 #include "nsIGlobalObject.h"
     16 
     17 namespace mozilla::dom {
     18 
     19 OSFileSystem::OSFileSystem(const nsAString& aRootDir) {
     20  mLocalRootPath = aRootDir;
     21 }
     22 
     23 already_AddRefed<FileSystemBase> OSFileSystem::Clone() {
     24  AssertIsOnOwningThread();
     25 
     26  RefPtr<OSFileSystem> fs = new OSFileSystem(mLocalRootPath);
     27  if (mGlobal) {
     28    fs->Init(mGlobal);
     29  }
     30 
     31  return fs.forget();
     32 }
     33 
     34 void OSFileSystem::Init(nsIGlobalObject* aGlobal) {
     35  AssertIsOnOwningThread();
     36  MOZ_ASSERT(!mGlobal, "No duple Init() calls");
     37  MOZ_ASSERT(aGlobal);
     38 
     39  mGlobal = aGlobal;
     40 }
     41 
     42 nsIGlobalObject* OSFileSystem::GetParentObject() const {
     43  AssertIsOnOwningThread();
     44  return mGlobal;
     45 }
     46 
     47 bool OSFileSystem::IsSafeFile(nsIFile* aFile) const {
     48  // The concept of "safe files" is specific to the Device Storage API where
     49  // files are only "safe" if they're of a type that is appropriate for the
     50  // area of device storage that is being used.
     51  MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");
     52  return true;
     53 }
     54 
     55 bool OSFileSystem::IsSafeDirectory(Directory* aDir) const {
     56  // The concept of "safe directory" is specific to the Device Storage API
     57  // where a directory is only "safe" if it belongs to the area of device
     58  // storage that it is being used with.
     59  MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");
     60  return true;
     61 }
     62 
     63 void OSFileSystem::Unlink() {
     64  AssertIsOnOwningThread();
     65  mGlobal = nullptr;
     66 }
     67 
     68 void OSFileSystem::Traverse(nsCycleCollectionTraversalCallback& cb) {
     69  AssertIsOnOwningThread();
     70 
     71  OSFileSystem* tmp = this;
     72  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal);
     73 }
     74 
     75 void OSFileSystem::SerializeDOMPath(nsAString& aOutput) const {
     76  AssertIsOnOwningThread();
     77  aOutput = mLocalRootPath;
     78 }
     79 
     80 /**
     81 * OSFileSystemParent
     82 */
     83 
     84 OSFileSystemParent::OSFileSystemParent(const nsAString& aRootDir) {
     85  mLocalRootPath = aRootDir;
     86 }
     87 
     88 }  // namespace mozilla::dom