forked from mirrors/gecko-dev
265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
59 lines
1.6 KiB
C++
59 lines
1.6 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 "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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template <>
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struct ParamTraits<nsIPrincipal> {
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static void Write(Message* aMsg, nsIPrincipal* aParam);
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static bool Read(const Message* aMsg, PickleIterator* aIter,
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RefPtr<nsIPrincipal>* aResult);
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};
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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 ParamTraits<Principal>;
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public:
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Principal() : mPrincipal(nullptr) {}
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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) {
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mPrincipal = aOther.mPrincipal;
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return *this;
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}
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private:
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RefPtr<nsIPrincipal> mPrincipal;
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};
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template <>
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struct ParamTraits<Principal> {
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typedef Principal paramType;
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static void Write(Message* aMsg, const paramType& aParam) {
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WriteParam(aMsg, aParam.mPrincipal);
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}
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static bool Read(const Message* aMsg, PickleIterator* aIter,
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paramType* aResult) {
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return ReadParam(aMsg, aIter, &aResult->mPrincipal);
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}
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};
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} // namespace IPC
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#endif // mozilla_dom_permission_message_utils_h__
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