/* -*- 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 "FileSystem.h"

#include "FileSystemRootDirectoryEntry.h"

#include "mozilla/dom/FileSystemBinding.h"

#include "nsContentUtils.h"

namespace mozilla {

namespace dom {

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FileSystem, mParent, mRoot)

NS_IMPL_CYCLE_COLLECTING_ADDREF(FileSystem)

NS_IMPL_CYCLE_COLLECTING_RELEASE(FileSystem)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystem)

  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY

  NS_INTERFACE_MAP_ENTRY(nsISupports)

NS_INTERFACE_MAP_END

/* static */ already_AddRefed<FileSystem>

FileSystem::Create(nsIGlobalObject* aGlobalObject)

{

  MOZ_ASSERT(aGlobalObject);

  nsID id;

  nsresult rv = nsContentUtils::GenerateUUIDInPlace(id);

  if (NS_WARN_IF(NS_FAILED(rv))) {

    return nullptr;

  }

  char chars[NSID_LENGTH];

  id.ToProvidedString(chars);

  // Any fileSystem has an unique ID. We use UUID, but our generator produces

  // UUID in this format '{' + UUID + '}'. We remove them with these +1 and -2.

  nsAutoCString name(Substring(chars + 1, chars + NSID_LENGTH - 2));

  RefPtr<FileSystem> fs =

    new FileSystem(aGlobalObject, NS_ConvertUTF8toUTF16(name));

  return fs.forget();

}

FileSystem::FileSystem(nsIGlobalObject* aGlobal, const nsAString& aName)

  : mParent(aGlobal)

  , mName(aName)

{

  MOZ_ASSERT(aGlobal);

}

FileSystem::~FileSystem()

{}

JSObject*

FileSystem::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)

{

  return FileSystem_Binding::Wrap(aCx, this, aGivenProto);

}

void

FileSystem::CreateRoot(const Sequence<RefPtr<FileSystemEntry>>& aEntries)

{

  MOZ_ASSERT(!mRoot);

  mRoot = new FileSystemRootDirectoryEntry(mParent, aEntries, this);

}

} // dom namespace

} // mozilla namespace