gecko-dev/dom/ipc/ReferrerInfoUtils.cpp

54 строки
1.6 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/ReferrerInfoUtils.h"
#include "nsISerializable.h"
#include "nsSerializationHelper.h"
namespace IPC {
void ParamTraits<nsIReferrerInfo*>::Write(Message* aMsg,
nsIReferrerInfo* aParam) {
bool isNull = !aParam;
WriteParam(aMsg, isNull);
if (isNull) {
return;
}
nsAutoCString infoString;
nsresult rv = NS_SerializeToString(aParam, infoString);
if (NS_FAILED(rv)) {
MOZ_CRASH("Unable to serialize referrer info.");
return;
}
WriteParam(aMsg, infoString);
}
bool ParamTraits<nsIReferrerInfo*>::Read(const Message* aMsg,
PickleIterator* aIter,
RefPtr<nsIReferrerInfo>* aResult) {
bool isNull;
if (!ReadParam(aMsg, aIter, &isNull)) {
return false;
}
if (isNull) {
*aResult = nullptr;
return true;
}
nsAutoCString infoString;
if (!ReadParam(aMsg, aIter, &infoString)) {
return false;
}
nsCOMPtr<nsISupports> iSupports;
nsresult rv = NS_DeserializeObject(infoString, getter_AddRefs(iSupports));
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsIReferrerInfo> referrerInfo = do_QueryInterface(iSupports);
NS_ENSURE_TRUE(referrerInfo, false);
*aResult = referrerInfo.forget();
return true;
}
} // namespace IPC