1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/docshell/base/SerializedLoadContext.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,98 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set sw=2 ts=8 et tw=80 : */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef SerializedLoadContext_h
1.11 +#define SerializedLoadContext_h
1.12 +
1.13 +#include "base/basictypes.h"
1.14 +#include "ipc/IPCMessageUtils.h"
1.15 +
1.16 +class nsILoadContext;
1.17 +
1.18 +/*
1.19 + * This file contains the IPC::SerializedLoadContext class, which is used to
1.20 + * copy data across IPDL from Child process contexts so it is available in the
1.21 + * Parent.
1.22 + */
1.23 +
1.24 +class nsIChannel;
1.25 +class nsIWebSocketChannel;
1.26 +
1.27 +namespace IPC {
1.28 +
1.29 +class SerializedLoadContext
1.30 +{
1.31 +public:
1.32 + SerializedLoadContext()
1.33 + {
1.34 + Init(nullptr);
1.35 + }
1.36 +
1.37 + SerializedLoadContext(nsILoadContext* aLoadContext);
1.38 + SerializedLoadContext(nsIChannel* aChannel);
1.39 + SerializedLoadContext(nsIWebSocketChannel* aChannel);
1.40 +
1.41 + void Init(nsILoadContext* aLoadContext);
1.42 +
1.43 + bool IsNotNull() const
1.44 + {
1.45 + return mIsNotNull;
1.46 + }
1.47 +
1.48 + bool IsPrivateBitValid() const
1.49 + {
1.50 + return mIsPrivateBitValid;
1.51 + }
1.52 +
1.53 + // used to indicate if child-side LoadContext * was null.
1.54 + bool mIsNotNull;
1.55 + // used to indicate if child-side mUsePrivateBrowsing flag is valid, even if
1.56 + // mIsNotNull is false, i.e., child LoadContext was null.
1.57 + bool mIsPrivateBitValid;
1.58 + bool mIsContent;
1.59 + bool mUsePrivateBrowsing;
1.60 + bool mUseRemoteTabs;
1.61 + bool mIsInBrowserElement;
1.62 + uint32_t mAppId;
1.63 +};
1.64 +
1.65 +// Function to serialize over IPDL
1.66 +template<>
1.67 +struct ParamTraits<SerializedLoadContext>
1.68 +{
1.69 + typedef SerializedLoadContext paramType;
1.70 +
1.71 + static void Write(Message* aMsg, const paramType& aParam)
1.72 + {
1.73 + WriteParam(aMsg, aParam.mIsNotNull);
1.74 + WriteParam(aMsg, aParam.mIsContent);
1.75 + WriteParam(aMsg, aParam.mIsPrivateBitValid);
1.76 + WriteParam(aMsg, aParam.mUsePrivateBrowsing);
1.77 + WriteParam(aMsg, aParam.mUseRemoteTabs);
1.78 + WriteParam(aMsg, aParam.mAppId);
1.79 + WriteParam(aMsg, aParam.mIsInBrowserElement);
1.80 + }
1.81 +
1.82 + static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
1.83 + {
1.84 + if (!ReadParam(aMsg, aIter, &aResult->mIsNotNull) ||
1.85 + !ReadParam(aMsg, aIter, &aResult->mIsContent) ||
1.86 + !ReadParam(aMsg, aIter, &aResult->mIsPrivateBitValid) ||
1.87 + !ReadParam(aMsg, aIter, &aResult->mUsePrivateBrowsing) ||
1.88 + !ReadParam(aMsg, aIter, &aResult->mUseRemoteTabs) ||
1.89 + !ReadParam(aMsg, aIter, &aResult->mAppId) ||
1.90 + !ReadParam(aMsg, aIter, &aResult->mIsInBrowserElement)) {
1.91 + return false;
1.92 + }
1.93 +
1.94 + return true;
1.95 + }
1.96 +};
1.97 +
1.98 +} // namespace IPC
1.99 +
1.100 +#endif // SerializedLoadContext_h
1.101 +
