/* -*- 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 "nsNSSDialogHelper.h"

#include "mozilla/dom/ScriptSettings.h"
#include "nsCOMPtr.h"
#include "nsIWindowWatcher.h"
#include "nsServiceManagerUtils.h"

static const char kOpenDialogParam[] = "centerscreen,chrome,modal,titlebar";
static const char kOpenWindowParam[] = "centerscreen,chrome,titlebar";

nsresult nsNSSDialogHelper::openDialog(mozIDOMWindowProxy* window,
                                       const char* url, nsISupports* params,
                                       bool modal) {
  nsresult rv;
  nsCOMPtr<nsIWindowWatcher> windowWatcher =
      do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
  if (NS_FAILED(rv)) return rv;

  nsCOMPtr<mozIDOMWindowProxy> parent = window;

  if (!parent) {
    windowWatcher->GetActiveWindow(getter_AddRefs(parent));
  }

  // We're loading XUL into this window, and it's happening on behalf of the
  // system, not on behalf of content. Make sure the initial about:blank window
  // gets a system principal, otherwise we'll bork when trying to wrap the
  // nsIKeyGenThread |arguments| property into the unprivileged scoope.
  MOZ_ASSERT(!strncmp("chrome://", url, strlen("chrome://")));
  mozilla::dom::AutoNoJSAPI nojsapi;

  nsCOMPtr<mozIDOMWindowProxy> newWindow;
  rv = windowWatcher->OpenWindow(
      parent, nsDependentCString(url), "_blank"_ns,
      nsDependentCString(modal ? kOpenDialogParam : kOpenWindowParam), params,
      getter_AddRefs(newWindow));
  return rv;
}