/* -*- 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 "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