gecko-dev/dom/ipc/PermissionMessageUtils.h

39 строки
1.3 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/. */
#ifndef mozilla_dom_permission_message_utils_h__
#define mozilla_dom_permission_message_utils_h__
#include "mozilla/ipc/IPDLParamTraits.h"
#include "ipc/IPCMessageUtils.h"
#include "nsCOMPtr.h"
#include "nsIPrincipal.h"
namespace mozilla::ipc {
template <>
struct IPDLParamTraits<nsIPrincipal*> {
static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
nsIPrincipal* aParam);
static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
RefPtr<nsIPrincipal>* aResult);
// Overload to support deserializing nsCOMPtr<nsIPrincipal> directly.
static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
nsCOMPtr<nsIPrincipal>* aResult) {
RefPtr<nsIPrincipal> result;
if (!Read(aReader, aActor, &result)) {
return false;
}
*aResult = std::move(result);
return true;
}
};
} // namespace mozilla::ipc
#endif // mozilla_dom_permission_message_utils_h__