зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
2.2 KiB
C++
77 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_permission_message_utils_h__
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#define mozilla_dom_permission_message_utils_h__
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#include "mozilla/ipc/IPDLParamTraits.h"
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#include "ipc/IPCMessageUtils.h"
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#include "nsCOMPtr.h"
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#include "nsIPrincipal.h"
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namespace IPC {
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/**
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* Legacy IPC::Principal type. Use nsIPrincipal directly in new IPDL code.
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*/
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class Principal {
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friend struct mozilla::ipc::IPDLParamTraits<Principal>;
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public:
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Principal() = default;
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explicit Principal(nsIPrincipal* aPrincipal) : mPrincipal(aPrincipal) {}
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operator nsIPrincipal*() const { return mPrincipal.get(); }
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Principal& operator=(const Principal& aOther) = delete;
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private:
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RefPtr<nsIPrincipal> mPrincipal;
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};
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} // namespace IPC
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namespace mozilla {
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namespace ipc {
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template <>
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struct IPDLParamTraits<nsIPrincipal*> {
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static void Write(IPC::Message* aMsg, IProtocol* aActor,
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nsIPrincipal* aParam);
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static bool Read(const IPC::Message* aMsg, PickleIterator* aIter,
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IProtocol* aActor, RefPtr<nsIPrincipal>* aResult);
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// Overload to support deserializing nsCOMPtr<nsIPrincipal> directly.
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static bool Read(const IPC::Message* aMsg, PickleIterator* aIter,
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IProtocol* aActor, nsCOMPtr<nsIPrincipal>* aResult) {
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RefPtr<nsIPrincipal> result;
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if (!Read(aMsg, aIter, aActor, &result)) {
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return false;
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}
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*aResult = std::move(result);
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return true;
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}
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};
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template <>
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struct IPDLParamTraits<IPC::Principal> {
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typedef IPC::Principal paramType;
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static void Write(IPC::Message* aMsg, IProtocol* aActor,
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const paramType& aParam) {
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WriteIPDLParam(aMsg, aActor, aParam.mPrincipal);
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}
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static bool Read(const IPC::Message* aMsg, PickleIterator* aIter,
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IProtocol* aActor, paramType* aResult) {
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return ReadIPDLParam(aMsg, aIter, aActor, &aResult->mPrincipal);
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}
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};
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} // namespace ipc
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} // namespace mozilla
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#endif // mozilla_dom_permission_message_utils_h__
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