PolicyContainerMessageUtils.cpp (1483B)
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 #include "mozilla/dom/PolicyContainerMessageUtils.h" 8 9 #include "mozilla/dom/PolicyContainer.h" 10 #include "mozilla/ipc/PBackgroundSharedTypes.h" 11 12 namespace IPC { 13 14 using namespace mozilla::ipc; 15 16 void ParamTraits<nsIPolicyContainer*>::Write(MessageWriter* aWriter, 17 nsIPolicyContainer* aParam) { 18 bool isNull = !aParam; 19 WriteParam(aWriter, isNull); 20 if (isNull) { 21 return; 22 } 23 24 mozilla::ipc::PolicyContainerArgs args; 25 PolicyContainer::ToArgs(PolicyContainer::Cast(aParam), args); 26 27 WriteParam(aWriter, args); 28 } 29 30 bool ParamTraits<nsIPolicyContainer*>::Read( 31 MessageReader* aReader, RefPtr<nsIPolicyContainer>* aResult) { 32 bool isNull; 33 if (!ReadParam(aReader, &isNull)) { 34 return false; 35 } 36 37 if (isNull) { 38 *aResult = nullptr; 39 return true; 40 } 41 42 mozilla::ipc::PolicyContainerArgs args; 43 if (!ReadParam(aReader, &args)) { 44 return false; 45 } 46 47 RefPtr<PolicyContainer> policyContainer; 48 PolicyContainer::FromArgs(args, nullptr, getter_AddRefs(policyContainer)); 49 NS_ENSURE_TRUE(policyContainer, false); 50 51 *aResult = policyContainer.forget(); 52 53 return true; 54 } 55 56 } // namespace IPC