1 files changed, 98 insertions, 0 deletions
diff --git a/dom/filesystem/OSFileSystem.h b/dom/filesystem/OSFileSystem.h
new file mode 100644
index 0000000000..cb2ade7fc5
--- /dev/null
+++ b/dom/filesystem/OSFileSystem.h
@@ -0,0 +1,98 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_OSFileSystem_h
+#define mozilla_dom_OSFileSystem_h
+
+#include "mozilla/dom/FileSystemBase.h"
+
+namespace mozilla::dom {
+
+class OSFileSystem final : public FileSystemBase {
+ public:
+  explicit OSFileSystem(const nsAString& aRootDir);
+
+  void Init(nsIGlobalObject* aGlobal);
+
+  // Overrides FileSystemBase
+
+  virtual already_AddRefed<FileSystemBase> Clone() override;
+
+  virtual bool ShouldCreateDirectory() override {
+    MOZ_CRASH("This should not be called.");
+    // Because OSFileSystem should not be used when the creation of directories
+    // is needed. For that we have OSFileSystemParent.
+    return false;
+  }
+
+  virtual nsIGlobalObject* GetParentObject() const override;
+
+  virtual bool IsSafeFile(nsIFile* aFile) const override;
+
+  virtual bool IsSafeDirectory(Directory* aDir) const override;
+
+  virtual void SerializeDOMPath(nsAString& aOutput) const override;
+
+  // CC methods
+  virtual void Unlink() override;
+  virtual void Traverse(nsCycleCollectionTraversalCallback& cb) override;
+
+ private:
+  virtual ~OSFileSystem() = default;
+
+  nsCOMPtr<nsIGlobalObject> mGlobal;
+};
+
+class OSFileSystemParent final : public FileSystemBase {
+ public:
+  explicit OSFileSystemParent(const nsAString& aRootDir);
+
+  // Overrides FileSystemBase
+
+  virtual already_AddRefed<FileSystemBase> Clone() override {
+    MOZ_CRASH("This should not be called on the PBackground thread.");
+    return nullptr;
+  }
+
+  virtual bool ShouldCreateDirectory() override { return false; }
+
+  virtual nsIGlobalObject* GetParentObject() const override {
+    MOZ_CRASH("This should not be called on the PBackground thread.");
+    return nullptr;
+  }
+
+  virtual void GetDirectoryName(nsIFile* aFile, nsAString& aRetval,
+                                ErrorResult& aRv) const override {
+    MOZ_CRASH("This should not be called on the PBackground thread.");
+  }
+
+  virtual bool IsSafeFile(nsIFile* aFile) const override { return true; }
+
+  virtual bool IsSafeDirectory(Directory* aDir) const override {
+    MOZ_CRASH("This should not be called on the PBackground thread.");
+    return true;
+  }
+
+  virtual void SerializeDOMPath(nsAString& aOutput) const override {
+    MOZ_CRASH("This should not be called on the PBackground thread.");
+  }
+
+  // CC methods
+  virtual void Unlink() override {
+    MOZ_CRASH("This should not be called on the PBackground thread.");
+  }
+
+  virtual void Traverse(nsCycleCollectionTraversalCallback& cb) override {
+    MOZ_CRASH("This should not be called on the PBackground thread.");
+  }
+
+ private:
+  virtual ~OSFileSystemParent() = default;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_OSFileSystem_h