PermissionMessageUtils.h (1126B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 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 #ifndef mozilla_dom_permission_message_utils_h__ 8 #define mozilla_dom_permission_message_utils_h__ 9 10 #include "ipc/IPCMessageUtils.h" 11 #include "nsCOMPtr.h" 12 #include "nsIPrincipal.h" 13 14 namespace IPC { 15 16 template <> 17 struct ParamTraits<nsIPrincipal*> { 18 static void Write(IPC::MessageWriter* aWriter, nsIPrincipal* aParam); 19 static bool Read(IPC::MessageReader* aReader, RefPtr<nsIPrincipal>* aResult); 20 21 // Overload to support deserializing nsCOMPtr<nsIPrincipal> directly. 22 static bool Read(IPC::MessageReader* aReader, 23 nsCOMPtr<nsIPrincipal>* aResult) { 24 RefPtr<nsIPrincipal> result; 25 if (!Read(aReader, &result)) { 26 return false; 27 } 28 *aResult = std::move(result); 29 return true; 30 } 31 }; 32 33 } // namespace IPC 34 35 #endif // mozilla_dom_permission_message_utils_h__