/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 "nsAboutBlank.h"
#include "nsStringStream.h"
#include "nsNetUtil.h"
#include "nsContentUtils.h"

NS_IMPL_ISUPPORTS(nsAboutBlank, nsIAboutModule)

NS_IMETHODIMP
nsAboutBlank::NewChannel(nsIURI* aURI, nsILoadInfo* aLoadInfo,
                         nsIChannel** result) {
  NS_ENSURE_ARG_POINTER(aURI);

  nsCOMPtr<nsIInputStream> in;
  nsresult rv = NS_NewCStringInputStream(getter_AddRefs(in), EmptyCString());
  if (NS_FAILED(rv)) return rv;

  nsCOMPtr<nsIChannel> channel;
  rv = NS_NewInputStreamChannelInternal(
      getter_AddRefs(channel), aURI, in.forget(),
      NS_LITERAL_CSTRING("text/html"), NS_LITERAL_CSTRING("utf-8"), aLoadInfo);
  if (NS_FAILED(rv)) return rv;

  channel.forget(result);
  return rv;
}

NS_IMETHODIMP
nsAboutBlank::GetURIFlags(nsIURI* aURI, uint32_t* result) {
  *result = nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
            nsIAboutModule::URI_CAN_LOAD_IN_CHILD |
            nsIAboutModule::MAKE_LINKABLE |
            nsIAboutModule::HIDE_FROM_ABOUTABOUT;
  return NS_OK;
}

nsresult nsAboutBlank::Create(nsISupports* aOuter, REFNSIID aIID,
                              void** aResult) {
  nsAboutBlank* about = new nsAboutBlank();
  if (about == nullptr) return NS_ERROR_OUT_OF_MEMORY;
  NS_ADDREF(about);
  nsresult rv = about->QueryInterface(aIID, aResult);
  NS_RELEASE(about);
  return rv;
}

////////////////////////////////////////////////////////////////////////////////