gecko-dev/dom/ipc/CSPMessageUtils.cpp
Nika Layzell be0d18a401 Bug 1754037 - Part 4: Implement IPDLParamTraits in terms of ParamTraits, r=ipc-reviewers,mccr8
This flips around the relationship between IPDLParamTraits and ParamTraits so
that callers can always use ParamTraits instead of IPDLParamTraits.

Differential Revision: https://phabricator.services.mozilla.com/D140005
2022-03-04 15:39:41 +00:00

51 lines
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "mozilla/dom/CSPMessageUtils.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "nsSerializationHelper.h"
#include "mozilla/ipc/BackgroundUtils.h"
namespace IPC {
using namespace mozilla::ipc;
void ParamTraits<nsIContentSecurityPolicy*>::Write(
MessageWriter* aWriter, nsIContentSecurityPolicy* aParam) {
bool isNull = !aParam;
WriteParam(aWriter, isNull);
if (isNull) {
return;
}
CSPInfo csp;
mozilla::Unused << NS_WARN_IF(NS_FAILED(CSPToCSPInfo(aParam, &csp)));
WriteParam(aWriter, csp);
}
bool ParamTraits<nsIContentSecurityPolicy*>::Read(
MessageReader* aReader, RefPtr<nsIContentSecurityPolicy>* aResult) {
bool isNull;
if (!ReadParam(aReader, &isNull)) {
return false;
}
if (isNull) {
*aResult = nullptr;
return true;
}
CSPInfo csp;
if (!ReadParam(aReader, &csp)) {
return false;
}
*aResult = CSPInfoToCSP(csp, nullptr, nullptr);
return *aResult;
}
} // namespace IPC