/* -*- 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/. */

#include "mozilla/dom/OSFileSystem.h"

#include "mozilla/dom/Directory.h"

#include "mozilla/dom/File.h"

#include "mozilla/dom/FileSystemUtils.h"

#include "nsIGlobalObject.h"

#include "nsCOMPtr.h"

#include "nsDebug.h"

#include "nsIFile.h"

namespace mozilla {

namespace dom {

OSFileSystem::OSFileSystem(const nsAString& aRootDir)

{

  mLocalRootPath = aRootDir;

}

already_AddRefed<FileSystemBase>

OSFileSystem::Clone()

{

  AssertIsOnOwningThread();

  RefPtr<OSFileSystem> fs = new OSFileSystem(mLocalRootPath);

  if (mParent) {

    fs->Init(mParent);

  }

  return fs.forget();

}

void

OSFileSystem::Init(nsISupports* aParent)

{

  AssertIsOnOwningThread();

  MOZ_ASSERT(!mParent, "No duple Init() calls");

  MOZ_ASSERT(aParent);

  mParent = aParent;

#ifdef DEBUG

  nsCOMPtr<nsIGlobalObject> obj = do_QueryInterface(aParent);

  MOZ_ASSERT(obj);

#endif

}

nsISupports*

OSFileSystem::GetParentObject() const

{

  AssertIsOnOwningThread();

  return mParent;

}

bool

OSFileSystem::IsSafeFile(nsIFile* aFile) const

{

  // The concept of "safe files" is specific to the Device Storage API where

  // files are only "safe" if they're of a type that is appropriate for the

  // area of device storage that is being used.

  MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");

  return true;

}

bool

OSFileSystem::IsSafeDirectory(Directory* aDir) const

{

  // The concept of "safe directory" is specific to the Device Storage API

  // where a directory is only "safe" if it belongs to the area of device

  // storage that it is being used with.

  MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");

  return true;

}

void

OSFileSystem::Unlink()

{

  AssertIsOnOwningThread();

  mParent = nullptr;

}

void

OSFileSystem::Traverse(nsCycleCollectionTraversalCallback &cb)

{

  AssertIsOnOwningThread();

  OSFileSystem* tmp = this;

  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent);

}

void

OSFileSystem::SerializeDOMPath(nsAString& aOutput) const

{

  AssertIsOnOwningThread();

  aOutput = mLocalRootPath;

}

/**

 * OSFileSystemParent

 */

OSFileSystemParent::OSFileSystemParent(const nsAString& aRootDir)

{

  mLocalRootPath = aRootDir;

}

} // namespace dom

} // namespace mozilla