gecko-dev/docshell/shistory/MaybeNewPSHEntry.cpp

98 строки
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/dom/MaybeNewPSHEntry.h"
#include "mozilla/dom/PContentParent.h"
#include "mozilla/dom/SHEntryChild.h"
#include "mozilla/dom/SHEntryParent.h"
namespace mozilla {
namespace ipc {
template <>
struct IPDLParamTraits<dom::NewPSHEntry> {
static void Write(IPC::Message* aMsg, IProtocol* aActor,
dom::NewPSHEntry&& aEntry) {
MOZ_RELEASE_ASSERT(aActor->GetSide() == ParentSide, "wrong side!");
WriteIPDLParam(aMsg, aActor, std::move(aEntry.mEndpoint));
WriteIPDLParam(aMsg, aActor, aEntry.mSHistoryParent);
WriteIPDLParam(aMsg, aActor, aEntry.mSharedID);
}
static bool Read(const IPC::Message* aMsg, PickleIterator* aIter,
IProtocol* aActor, dom::NewPSHEntry* aEntry) {
MOZ_RELEASE_ASSERT(aActor->GetSide() == ChildSide, "wrong side!");
return ReadIPDLParam(aMsg, aIter, aActor, &aEntry->mEndpoint) &&
ReadIPDLParam(aMsg, aIter, aActor, &aEntry->mSHistoryChild) &&
ReadIPDLParam(aMsg, aIter, aActor, &aEntry->mSharedID);
}
};
/* static */
void IPDLParamTraits<dom::CrossProcessSHEntry*>::Write(
IPC::Message* aMsg, IProtocol* aActor, dom::CrossProcessSHEntry* aEntry) {
MOZ_DIAGNOSTIC_ASSERT(aActor->ToplevelProtocol()->GetProtocolId() ==
PContentMsgStart);
if (aActor->GetSide() == ChildSide) {
WriteIPDLParam(aMsg, aActor,
static_cast<dom::PSHEntryChild*>(
static_cast<dom::SHEntryChild*>(aEntry)));
return;
}
dom::MaybeNewPSHEntryParent entry(static_cast<dom::PSHEntryParent*>(nullptr));
if (aEntry) {
entry = static_cast<dom::LegacySHEntry*>(aEntry)->GetOrCreateActor(
static_cast<dom::PContentParent*>(aActor->ToplevelProtocol()));
}
WriteIPDLParam(aMsg, aActor, std::move(entry));
}
/* static */
bool IPDLParamTraits<dom::CrossProcessSHEntry*>::Read(
const IPC::Message* aMsg, PickleIterator* aIter,
mozilla::ipc::IProtocol* aActor, RefPtr<dom::CrossProcessSHEntry>* aEntry) {
if (aActor->GetSide() == ParentSide) {
dom::PSHEntryParent* actor;
if (!ReadIPDLParam(aMsg, aIter, aActor, &actor)) {
aActor->FatalError("Error deserializing MaybeNewPSHEntry");
return false;
}
*aEntry =
actor ? static_cast<dom::SHEntryParent*>(actor)->GetSHEntry() : nullptr;
return true;
}
dom::MaybeNewPSHEntryChild actor(static_cast<dom::PSHEntryChild*>(nullptr));
if (!ReadIPDLParam(aMsg, aIter, aActor, &actor)) {
aActor->FatalError("Error deserializing MaybeNewPSHEntry");
return false;
}
return actor.match(
[&](dom::PSHEntryChild*& entry) {
*aEntry = static_cast<dom::SHEntryChild*>(entry);
return true;
},
[&](dom::NewPSHEntry& newEntry) {
RefPtr<dom::SHEntryChild> entry = new dom::SHEntryChild(
static_cast<dom::SHistoryChild*>(newEntry.mSHistoryChild),
newEntry.mSharedID);
dom::ContentChild::GetSingleton()->BindPSHEntryEndpoint(
std::move(newEntry.mEndpoint), do_AddRef(entry).take());
*aEntry = entry.forget();
return true;
});
}
} // namespace ipc
} // namespace mozilla