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