MailNewsDLF.cpp - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * 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 "nsCOMPtr.h"

#include "MailNewsDLF.h"

#include "nsIChannel.h"

#include "plstr.h"

#include "nsString.h"

#include "nsICategoryManager.h"

#include "nsIStreamConverterService.h"

#include "nsIStreamListener.h"

#include "nsNetCID.h"

#include "nsMsgUtils.h"

namespace mozilla {

namespace mailnews {

NS_IMPL_ISUPPORTS(MailNewsDLF, nsIDocumentLoaderFactory)

MailNewsDLF::MailNewsDLF() {}

MailNewsDLF::~MailNewsDLF() {}

NS_IMETHODIMP

MailNewsDLF::CreateInstance(const char* aCommand, nsIChannel* aChannel,

                            nsILoadGroup* aLoadGroup,

                            const nsACString& aContentType,

                            nsIDocShell* aContainer, nsISupports* aExtraInfo,

                            nsIStreamListener** aDocListener,

                            nsIDocumentViewer** aDocViewer) {

  nsresult rv;

  bool viewSource =

      (PL_strstr(PromiseFlatCString(aContentType).get(), "view-source") != 0);

  aChannel->SetContentType(nsLiteralCString(TEXT_HTML));

  // Get the HTML category

  nsCOMPtr<nsICategoryManager> catMan(

      do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv));

  NS_ENSURE_SUCCESS(rv, rv);

  nsAutoCString contractID;

  rv = catMan->GetCategoryEntry("Gecko-Content-Viewers", TEXT_HTML, contractID);

  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIDocumentLoaderFactory> factory(

      do_GetService(contractID.get(), &rv));

  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIStreamListener> listener;

  if (viewSource) {

    rv = factory->CreateInstance(

        "view-source", aChannel, aLoadGroup,

        nsLiteralCString(TEXT_HTML "; x-view-type=view-source"), aContainer,

        aExtraInfo, getter_AddRefs(listener), aDocViewer);

  } else {

    rv = factory->CreateInstance(

        "view", aChannel, aLoadGroup, nsLiteralCString(TEXT_HTML), aContainer,

        aExtraInfo, getter_AddRefs(listener), aDocViewer);

  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIStreamConverterService> scs(

      do_GetService(NS_STREAMCONVERTERSERVICE_CONTRACTID, &rv));

  NS_ENSURE_SUCCESS(rv, rv);

  return scs->AsyncConvertData(MESSAGE_RFC822, TEXT_HTML, listener, aChannel,

                               aDocListener);

NS_IMETHODIMP

MailNewsDLF::CreateInstanceForDocument(nsISupports* aContainer,

                                       mozilla::dom::Document* aDocument,

                                       const char* aCommand,

                                       nsIDocumentViewer** aDocViewer) {

  return NS_ERROR_NOT_IMPLEMENTED;

}  // namespace mailnews

}  // namespace mozilla