security/manager/pki/nsNSSDialogHelper.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsNSSDialogHelper.h"
   8
   9 #include "mozIDOMWindow.h"
  10 #include "mozilla/dom/ScriptSettings.h"
  11 #include "nsCOMPtr.h"
  12 #include "nsIWindowWatcher.h"
  13 #include "nsServiceManagerUtils.h"
  14
  15 static const char kOpenDialogParam[] = "centerscreen,chrome,modal,titlebar";
  16 static const char kOpenWindowParam[] = "centerscreen,chrome,titlebar";
  17
  18 nsresult nsNSSDialogHelper::openDialog(mozIDOMWindowProxy* window,
  19                                        const char* url, nsISupports* params,
  20                                        bool modal) {
  21   nsresult rv;
  22   nsCOMPtr<nsIWindowWatcher> windowWatcher =
  23       do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
  24   if (NS_FAILED(rv)) return rv;
  25
  26   nsCOMPtr<mozIDOMWindowProxy> parent = window;
  27
  28   if (!parent) {
  29     windowWatcher->GetActiveWindow(getter_AddRefs(parent));
  30   }
  31
  32   // We're loading XUL into this window, and it's happening on behalf of the
  33   // system, not on behalf of content. Make sure the initial about:blank window
  34   // gets a system principal, otherwise we'll bork when trying to wrap the
  35   // nsIKeyGenThread |arguments| property into the unprivileged scoope.
  36   MOZ_ASSERT(!strncmp("chrome://", url, strlen("chrome://")));
  37   mozilla::dom::AutoNoJSAPI nojsapi;
  38
  39   nsCOMPtr<mozIDOMWindowProxy> newWindow;
  40   rv = windowWatcher->OpenWindow(
  41       parent, nsDependentCString(url), "_blank"_ns,
  42       nsDependentCString(modal ? kOpenDialogParam : kOpenWindowParam), params,
  43       getter_AddRefs(newWindow));
  44   return rv;
  45 }