toolkit/components/alerts/nsAlertsUtils.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "nsAlertsUtils.h"
   6
   7 #include "nsCOMPtr.h"
   8 #include "nsContentUtils.h"
   9 #include "nsIURI.h"
  10 #include "nsString.h"
  11
  12 /* static */
  13 bool nsAlertsUtils::IsActionablePrincipal(nsIPrincipal* aPrincipal) {
  14   return aPrincipal &&
  15          !nsContentUtils::IsSystemOrExpandedPrincipal(aPrincipal) &&
  16          !aPrincipal->GetIsNullPrincipal();
  17 }
  18
  19 /* static */
  20 void nsAlertsUtils::GetSourceHostPort(nsIPrincipal* aPrincipal,
  21                                       nsAString& aHostPort) {
  22   if (!IsActionablePrincipal(aPrincipal)) {
  23     return;
  24   }
  25   nsAutoCString hostPort;
  26   if (NS_WARN_IF(NS_FAILED(aPrincipal->GetHostPort(hostPort)))) {
  27     return;
  28   }
  29   CopyUTF8toUTF16(hostPort, aHostPort);
  30 }