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/* -*- 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 "nsIIOService.h"
#include "nsIServiceManager.h"
#include "nsStringStream.h"
#include "nsNetUtil.h"

NS_IMPL_ISUPPORTS1(nsAboutBlank, nsIAboutModule)

NS_IMETHODIMP
nsAboutBlank::NewChannel(nsIURI *aURI, 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_NewInputStreamChannel(getter_AddRefs(channel), aURI, in,
                                  NS_LITERAL_CSTRING("text/html"),
                                  NS_LITERAL_CSTRING("utf-8"));
    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::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;
}

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