gecko-dev/dom/ipc/PermissionMessageUtils.cpp

44 строки
1.4 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/PermissionMessageUtils.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
namespace mozilla {
namespace ipc {
void IPDLParamTraits<nsIPrincipal>::Write(IPC::Message* aMsg, IProtocol* aActor,
nsIPrincipal* aParam) {
MOZ_DIAGNOSTIC_ASSERT(NS_IsMainThread());
Maybe<PrincipalInfo> info;
if (aParam) {
info.emplace();
nsresult rv = PrincipalToPrincipalInfo(aParam, info.ptr());
MOZ_RELEASE_ASSERT(NS_SUCCEEDED(rv));
}
WriteIPDLParam(aMsg, aActor, info);
}
bool IPDLParamTraits<nsIPrincipal>::Read(const IPC::Message* aMsg,
PickleIterator* aIter,
IProtocol* aActor,
RefPtr<nsIPrincipal>* aResult) {
Maybe<PrincipalInfo> info;
if (!ReadIPDLParam(aMsg, aIter, aActor, &info)) {
return false;
}
nsresult rv = NS_OK;
*aResult = info ? PrincipalInfoToPrincipal(info.ref(), &rv) : nullptr;
return NS_SUCCEEDED(rv);
}
} // namespace ipc
} // namespace mozilla