Source code

Revision control

Copy as Markdown

Other Tools

/* -*- 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 */
#include "FileCreatorHelper.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/FileBinding.h"
#include "mozilla/dom/FileCreatorChild.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundChild.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/Promise.h"
#include "nsContentUtils.h"
#include "nsPIDOMWindow.h"
#include "nsProxyRelease.h"
#include "nsIFile.h"
// Undefine the macro of CreateFile to avoid FileCreatorHelper#CreateFile being
// replaced by FileCreatorHelper#CreateFileW.
#ifdef CreateFile
# undef CreateFile
namespace mozilla::dom {
/* static */
already_AddRefed<Promise> FileCreatorHelper::CreateFile(
nsIGlobalObject* aGlobalObject, nsIFile* aFile,
const ChromeFilePropertyBag& aBag, bool aIsFromNsIFile, ErrorResult& aRv) {
RefPtr<Promise> promise = Promise::Create(aGlobalObject, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
nsAutoString path;
aRv = aFile->GetPath(path);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
// Register this component to PBackground.
mozilla::ipc::PBackgroundChild* actorChild =
if (NS_WARN_IF(!actorChild)) {
return nullptr;
Maybe<int64_t> lastModified;
if (aBag.mLastModified.WasPassed()) {
PFileCreatorChild* actor = actorChild->SendPFileCreatorConstructor(
path, aBag.mType, aBag.mName, lastModified, aBag.mExistenceCheck,
return promise.forget();
} // namespace mozilla::dom