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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsISerializable.h"
#include "nsSerializationHelper.h"
namespace IPC {
void
ParamTraits<Principal>::Write(Message* aMsg, const paramType& aParam) {
bool isNull = !aParam.mPrincipal;
WriteParam(aMsg, isNull);
if (isNull) {
return;
}
bool isSerialized = false;
nsCString principalString;
nsCOMPtr<nsISerializable> serializable = do_QueryInterface(aParam.mPrincipal);
if (serializable) {
nsresult rv = NS_SerializeToString(serializable, principalString);
if (NS_SUCCEEDED(rv)) {
isSerialized = true;
}
}
if (!isSerialized) {
NS_RUNTIMEABORT("Unable to serialize principal.");
return;
}
WriteParam(aMsg, principalString);
}
bool
ParamTraits<Principal>::Read(const Message* aMsg, PickleIterator* aIter, paramType* aResult)
{
bool isNull;
if (!ReadParam(aMsg, aIter, &isNull)) {
return false;
}
if (isNull) {
aResult->mPrincipal = nullptr;
return true;
}
nsCString principalString;
if (!ReadParam(aMsg, aIter, &principalString)) {
return false;
}
nsCOMPtr<nsISupports> iSupports;
nsresult rv = NS_DeserializeObject(principalString, getter_AddRefs(iSupports));
NS_ENSURE_SUCCESS(rv, false);
nsCOMPtr<nsIPrincipal> principal = do_QueryInterface(iSupports);
NS_ENSURE_TRUE(principal, false);
principal.swap(aResult->mPrincipal);
return true;
}
} // namespace IPC
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