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95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et 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 SerializedLoadContext_h
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#define SerializedLoadContext_h
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#include "base/basictypes.h"
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#include "ipc/IPCMessageUtils.h"
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#include "nsILoadContext.h"
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/*
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* This file contains the IPC::SerializedLoadContext class, which is used to
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* copy data across IPDL from Child process contexts so it is available in the
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* Parent.
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*/
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class nsIChannel;
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class nsIWebSocketChannel;
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namespace IPC {
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class SerializedLoadContext
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{
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public:
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SerializedLoadContext()
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{
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Init(nullptr);
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}
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SerializedLoadContext(nsILoadContext* aLoadContext);
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SerializedLoadContext(nsIChannel* aChannel);
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SerializedLoadContext(nsIWebSocketChannel* aChannel);
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void Init(nsILoadContext* aLoadContext);
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bool IsNotNull() const
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{
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return mIsNotNull;
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}
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bool IsPrivateBitValid() const
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{
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return mIsPrivateBitValid;
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}
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// used to indicate if child-side LoadContext * was null.
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bool mIsNotNull;
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// used to indicate if child-side mUsePrivateBrowsing flag is valid, even if
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// mIsNotNull is false, i.e., child LoadContext was null.
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bool mIsPrivateBitValid;
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bool mIsContent;
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bool mUsePrivateBrowsing;
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bool mIsInBrowserElement;
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uint32_t mAppId;
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};
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// Function to serialize over IPDL
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template<>
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struct ParamTraits<SerializedLoadContext>
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{
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typedef SerializedLoadContext paramType;
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static void Write(Message* aMsg, const paramType& aParam)
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{
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WriteParam(aMsg, aParam.mIsNotNull);
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WriteParam(aMsg, aParam.mIsContent);
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WriteParam(aMsg, aParam.mIsPrivateBitValid);
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WriteParam(aMsg, aParam.mUsePrivateBrowsing);
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WriteParam(aMsg, aParam.mAppId);
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WriteParam(aMsg, aParam.mIsInBrowserElement);
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}
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static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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if (!ReadParam(aMsg, aIter, &aResult->mIsNotNull) ||
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!ReadParam(aMsg, aIter, &aResult->mIsContent) ||
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!ReadParam(aMsg, aIter, &aResult->mIsPrivateBitValid) ||
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!ReadParam(aMsg, aIter, &aResult->mUsePrivateBrowsing) ||
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!ReadParam(aMsg, aIter, &aResult->mAppId) ||
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!ReadParam(aMsg, aIter, &aResult->mIsInBrowserElement)) {
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return false;
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}
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return true;
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}
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};
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} // namespace IPC
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#endif // SerializedLoadContext_h
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