gecko-dev/dom/ipc/JSOracleChild.cpp

52 строки
1.6 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/JSOracleChild.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/dom/JSValidatorChild.h"
#include "mozilla/dom/PJSValidatorChild.h"
#include "mozilla/ipc/Endpoint.h"
using namespace mozilla::dom;
static mozilla::StaticRefPtr<JSOracleChild> sOracleSingletonChild;
static mozilla::StaticAutoPtr<JSFrontendContextHolder> sJSFrontendContextHolder;
/* static */
void JSFrontendContextHolder::MaybeInit() {
if (!sJSFrontendContextHolder) {
sJSFrontendContextHolder = new JSFrontendContextHolder();
ClearOnShutdown(&sJSFrontendContextHolder);
}
}
/* static */
JS::FrontendContext* JSOracleChild::JSFrontendContext() {
MOZ_ASSERT(sJSFrontendContextHolder);
return sJSFrontendContextHolder->mFc;
}
JSOracleChild* JSOracleChild::GetSingleton() {
MOZ_ASSERT(NS_IsMainThread());
if (!sOracleSingletonChild) {
sOracleSingletonChild = new JSOracleChild();
ClearOnShutdown(&sOracleSingletonChild);
}
return sOracleSingletonChild;
}
already_AddRefed<PJSValidatorChild> JSOracleChild::AllocPJSValidatorChild() {
return MakeAndAddRef<JSValidatorChild>();
}
void JSOracleChild::Start(Endpoint<PJSOracleChild>&& aEndpoint) {
DebugOnly<bool> ok = std::move(aEndpoint).Bind(this);
JSFrontendContextHolder::MaybeInit();
MOZ_ASSERT(ok);
}