69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
/* -*- 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
|
|
|