gecko/dom/filehandle/MutableFile.cpp
2015-05-03 15:32:37 -04:00

53 lines
1.3 KiB
C++

/* -*- 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 "MutableFile.h"
#include "nsDebug.h"
#include "nsIFile.h"
#include "nsIFileStreams.h"
#include "nsIInputStream.h"
#include "nsNetUtil.h"
namespace mozilla {
namespace dom {
MutableFileBase::MutableFileBase()
{
}
MutableFileBase::~MutableFileBase()
{
}
// virtual
already_AddRefed<nsISupports>
MutableFileBase::CreateStream(bool aReadOnly)
{
nsresult rv;
if (aReadOnly) {
nsCOMPtr<nsIInputStream> stream;
rv = NS_NewLocalFileInputStream(getter_AddRefs(stream), mFile, -1, -1,
nsIFileInputStream::DEFER_OPEN);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return stream.forget();
}
nsCOMPtr<nsIFileStream> stream;
rv = NS_NewLocalFileStream(getter_AddRefs(stream), mFile, -1, -1,
nsIFileStream::DEFER_OPEN);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return stream.forget();
}
} // namespace dom
} // namespace mozilla